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1 <?php 2 /** 3 * General template tags that can go anywhere in a template. 4 * 5 * @package WordPress 6 * @subpackage Template 7 */ 8 9 /** 10 * Load header template. 11 * 12 * Includes the header template for a theme or if a name is specified then a 13 * specialised header will be included. 14 * 15 * For the parameter, if the file is called "header-special.php" then specify 16 * "special". 17 * 18 * @since 1.5.0 19 * @since 5.5.0 A return value was added. 20 * @since 5.5.0 The `$args` parameter was added. 21 * 22 * @param string $name The name of the specialised header. 23 * @param array $args Optional. Additional arguments passed to the header template. 24 * Default empty array. 25 * @return void|false Void on success, false if the template does not exist. 26 */ 27 function get_header( $name = null, $args = array() ) { 28 /** 29 * Fires before the header template file is loaded. 30 * 31 * @since 2.1.0 32 * @since 2.8.0 The `$name` parameter was added. 33 * @since 5.5.0 The `$args` parameter was added. 34 * 35 * @param string|null $name Name of the specific header file to use. Null for the default header. 36 * @param array $args Additional arguments passed to the header template. 37 */ 38 do_action( 'get_header', $name, $args ); 39 40 $templates = array(); 41 $name = (string) $name; 42 if ( '' !== $name ) { 43 $templates[] = "header-{$name}.php"; 44 } 45 46 $templates[] = 'header.php'; 47 48 if ( ! locate_template( $templates, true, true, $args ) ) { 49 return false; 50 } 51 } 52 53 /** 54 * Load footer template. 55 * 56 * Includes the footer template for a theme or if a name is specified then a 57 * specialised footer will be included. 58 * 59 * For the parameter, if the file is called "footer-special.php" then specify 60 * "special". 61 * 62 * @since 1.5.0 63 * @since 5.5.0 A return value was added. 64 * @since 5.5.0 The `$args` parameter was added. 65 * 66 * @param string $name The name of the specialised footer. 67 * @param array $args Optional. Additional arguments passed to the footer template. 68 * Default empty array. 69 * @return void|false Void on success, false if the template does not exist. 70 */ 71 function get_footer( $name = null, $args = array() ) { 72 /** 73 * Fires before the footer template file is loaded. 74 * 75 * @since 2.1.0 76 * @since 2.8.0 The `$name` parameter was added. 77 * @since 5.5.0 The `$args` parameter was added. 78 * 79 * @param string|null $name Name of the specific footer file to use. Null for the default footer. 80 * @param array $args Additional arguments passed to the footer template. 81 */ 82 do_action( 'get_footer', $name, $args ); 83 84 $templates = array(); 85 $name = (string) $name; 86 if ( '' !== $name ) { 87 $templates[] = "footer-{$name}.php"; 88 } 89 90 $templates[] = 'footer.php'; 91 92 if ( ! locate_template( $templates, true, true, $args ) ) { 93 return false; 94 } 95 } 96 97 /** 98 * Load sidebar template. 99 * 100 * Includes the sidebar template for a theme or if a name is specified then a 101 * specialised sidebar will be included. 102 * 103 * For the parameter, if the file is called "sidebar-special.php" then specify 104 * "special". 105 * 106 * @since 1.5.0 107 * @since 5.5.0 A return value was added. 108 * @since 5.5.0 The `$args` parameter was added. 109 * 110 * @param string $name The name of the specialised sidebar. 111 * @param array $args Optional. Additional arguments passed to the sidebar template. 112 * Default empty array. 113 * @return void|false Void on success, false if the template does not exist. 114 */ 115 function get_sidebar( $name = null, $args = array() ) { 116 /** 117 * Fires before the sidebar template file is loaded. 118 * 119 * @since 2.2.0 120 * @since 2.8.0 The `$name` parameter was added. 121 * @since 5.5.0 The `$args` parameter was added. 122 * 123 * @param string|null $name Name of the specific sidebar file to use. Null for the default sidebar. 124 * @param array $args Additional arguments passed to the sidebar template. 125 */ 126 do_action( 'get_sidebar', $name, $args ); 127 128 $templates = array(); 129 $name = (string) $name; 130 if ( '' !== $name ) { 131 $templates[] = "sidebar-{$name}.php"; 132 } 133 134 $templates[] = 'sidebar.php'; 135 136 if ( ! locate_template( $templates, true, true, $args ) ) { 137 return false; 138 } 139 } 140 141 /** 142 * Loads a template part into a template. 143 * 144 * Provides a simple mechanism for child themes to overload reusable sections of code 145 * in the theme. 146 * 147 * Includes the named template part for a theme or if a name is specified then a 148 * specialised part will be included. If the theme contains no {slug}.php file 149 * then no template will be included. 150 * 151 * The template is included using require, not require_once, so you may include the 152 * same template part multiple times. 153 * 154 * For the $name parameter, if the file is called "{slug}-special.php" then specify 155 * "special". 156 * 157 * @since 3.0.0 158 * @since 5.5.0 A return value was added. 159 * @since 5.5.0 The `$args` parameter was added. 160 * 161 * @param string $slug The slug name for the generic template. 162 * @param string $name The name of the specialised template. 163 * @param array $args Optional. Additional arguments passed to the template. 164 * Default empty array. 165 * @return void|false Void on success, false if the template does not exist. 166 */ 167 function get_template_part( $slug, $name = null, $args = array() ) { 168 /** 169 * Fires before the specified template part file is loaded. 170 * 171 * The dynamic portion of the hook name, `$slug`, refers to the slug name 172 * for the generic template part. 173 * 174 * @since 3.0.0 175 * @since 5.5.0 The `$args` parameter was added. 176 * 177 * @param string $slug The slug name for the generic template. 178 * @param string|null $name The name of the specialized template. 179 * @param array $args Additional arguments passed to the template. 180 */ 181 do_action( "get_template_part_{$slug}", $slug, $name, $args ); 182 183 $templates = array(); 184 $name = (string) $name; 185 if ( '' !== $name ) { 186 $templates[] = "{$slug}-{$name}.php"; 187 } 188 189 $templates[] = "{$slug}.php"; 190 191 /** 192 * Fires before an attempt is made to locate and load a template part. 193 * 194 * @since 5.2.0 195 * @since 5.5.0 The `$args` parameter was added. 196 * 197 * @param string $slug The slug name for the generic template. 198 * @param string $name The name of the specialized template. 199 * @param string[] $templates Array of template files to search for, in order. 200 * @param array $args Additional arguments passed to the template. 201 */ 202 do_action( 'get_template_part', $slug, $name, $templates, $args ); 203 204 if ( ! locate_template( $templates, true, false, $args ) ) { 205 return false; 206 } 207 } 208 209 /** 210 * Display search form. 211 * 212 * Will first attempt to locate the searchform.php file in either the child or 213 * the parent, then load it. If it doesn't exist, then the default search form 214 * will be displayed. The default search form is HTML, which will be displayed. 215 * There is a filter applied to the search form HTML in order to edit or replace 216 * it. The filter is {@see 'get_search_form'}. 217 * 218 * This function is primarily used by themes which want to hardcode the search 219 * form into the sidebar and also by the search widget in WordPress. 220 * 221 * There is also an action that is called whenever the function is run called, 222 * {@see 'pre_get_search_form'}. This can be useful for outputting JavaScript that the 223 * search relies on or various formatting that applies to the beginning of the 224 * search. To give a few examples of what it can be used for. 225 * 226 * @since 2.7.0 227 * @since 5.2.0 The `$args` array parameter was added in place of an `$echo` boolean flag. 228 * 229 * @param array $args { 230 * Optional. Array of display arguments. 231 * 232 * @type bool $echo Whether to echo or return the form. Default true. 233 * @type string $aria_label ARIA label for the search form. Useful to distinguish 234 * multiple search forms on the same page and improve 235 * accessibility. Default empty. 236 * } 237 * @return void|string Void if 'echo' argument is true, search form HTML if 'echo' is false. 238 */ 239 function get_search_form( $args = array() ) { 240 /** 241 * Fires before the search form is retrieved, at the start of get_search_form(). 242 * 243 * @since 2.7.0 as 'get_search_form' action. 244 * @since 3.6.0 245 * @since 5.5.0 The `$args` parameter was added. 246 * 247 * @link https://core.trac.wordpress.org/ticket/19321 248 * 249 * @param array $args The array of arguments for building the search form. 250 * See get_search_form() for information on accepted arguments. 251 */ 252 do_action( 'pre_get_search_form', $args ); 253 254 $echo = true; 255 256 if ( ! is_array( $args ) ) { 257 /* 258 * Back compat: to ensure previous uses of get_search_form() continue to 259 * function as expected, we handle a value for the boolean $echo param removed 260 * in 5.2.0. Then we deal with the $args array and cast its defaults. 261 */ 262 $echo = (bool) $args; 263 264 // Set an empty array and allow default arguments to take over. 265 $args = array(); 266 } 267 268 // Defaults are to echo and to output no custom label on the form. 269 $defaults = array( 270 'echo' => $echo, 271 'aria_label' => '', 272 ); 273 274 $args = wp_parse_args( $args, $defaults ); 275 276 /** 277 * Filters the array of arguments used when generating the search form. 278 * 279 * @since 5.2.0 280 * 281 * @param array $args The array of arguments for building the search form. 282 * See get_search_form() for information on accepted arguments. 283 */ 284 $args = apply_filters( 'search_form_args', $args ); 285 286 // Ensure that the filtered arguments contain all required default values. 287 $args = array_merge( $defaults, $args ); 288 289 $format = current_theme_supports( 'html5', 'search-form' ) ? 'html5' : 'xhtml'; 290 291 /** 292 * Filters the HTML format of the search form. 293 * 294 * @since 3.6.0 295 * @since 5.5.0 The `$args` parameter was added. 296 * 297 * @param string $format The type of markup to use in the search form. 298 * Accepts 'html5', 'xhtml'. 299 * @param array $args The array of arguments for building the search form. 300 * See get_search_form() for information on accepted arguments. 301 */ 302 $format = apply_filters( 'search_form_format', $format, $args ); 303 304 $search_form_template = locate_template( 'searchform.php' ); 305 306 if ( '' !== $search_form_template ) { 307 ob_start(); 308 require $search_form_template; 309 $form = ob_get_clean(); 310 } else { 311 // Build a string containing an aria-label to use for the search form. 312 if ( $args['aria_label'] ) { 313 $aria_label = 'aria-label="' . esc_attr( $args['aria_label'] ) . '" '; 314 } else { 315 /* 316 * If there's no custom aria-label, we can set a default here. At the 317 * moment it's empty as there's uncertainty about what the default should be. 318 */ 319 $aria_label = ''; 320 } 321 322 if ( 'html5' === $format ) { 323 $form = '<form role="search" ' . $aria_label . 'method="get" class="search-form" action="' . esc_url( home_url( '/' ) ) . '"> 324 <label> 325 <span class="screen-reader-text">' . _x( 'Search for:', 'label' ) . '</span> 326 <input type="search" class="search-field" placeholder="' . esc_attr_x( 'Search …', 'placeholder' ) . '" value="' . get_search_query() . '" name="s" /> 327 </label> 328 <input type="submit" class="search-submit" value="' . esc_attr_x( 'Search', 'submit button' ) . '" /> 329 </form>'; 330 } else { 331 $form = '<form role="search" ' . $aria_label . 'method="get" id="searchform" class="searchform" action="' . esc_url( home_url( '/' ) ) . '"> 332 <div> 333 <label class="screen-reader-text" for="s">' . _x( 'Search for:', 'label' ) . '</label> 334 <input type="text" value="' . get_search_query() . '" name="s" id="s" /> 335 <input type="submit" id="searchsubmit" value="' . esc_attr_x( 'Search', 'submit button' ) . '" /> 336 </div> 337 </form>'; 338 } 339 } 340 341 /** 342 * Filters the HTML output of the search form. 343 * 344 * @since 2.7.0 345 * @since 5.5.0 The `$args` parameter was added. 346 * 347 * @param string $form The search form HTML output. 348 * @param array $args The array of arguments for building the search form. 349 * See get_search_form() for information on accepted arguments. 350 */ 351 $result = apply_filters( 'get_search_form', $form, $args ); 352 353 if ( null === $result ) { 354 $result = $form; 355 } 356 357 if ( $args['echo'] ) { 358 echo $result; 359 } else { 360 return $result; 361 } 362 } 363 364 /** 365 * Display the Log In/Out link. 366 * 367 * Displays a link, which allows users to navigate to the Log In page to log in 368 * or log out depending on whether they are currently logged in. 369 * 370 * @since 1.5.0 371 * 372 * @param string $redirect Optional path to redirect to on login/logout. 373 * @param bool $echo Default to echo and not return the link. 374 * @return void|string Void if `$echo` argument is true, log in/out link if `$echo` is false. 375 */ 376 function wp_loginout( $redirect = '', $echo = true ) { 377 if ( ! is_user_logged_in() ) { 378 $link = '<a href="' . esc_url( wp_login_url( $redirect ) ) . '">' . __( 'Log in' ) . '</a>'; 379 } else { 380 $link = '<a href="' . esc_url( wp_logout_url( $redirect ) ) . '">' . __( 'Log out' ) . '</a>'; 381 } 382 383 if ( $echo ) { 384 /** 385 * Filters the HTML output for the Log In/Log Out link. 386 * 387 * @since 1.5.0 388 * 389 * @param string $link The HTML link content. 390 */ 391 echo apply_filters( 'loginout', $link ); 392 } else { 393 /** This filter is documented in wp-includes/general-template.php */ 394 return apply_filters( 'loginout', $link ); 395 } 396 } 397 398 /** 399 * Retrieves the logout URL. 400 * 401 * Returns the URL that allows the user to log out of the site. 402 * 403 * @since 2.7.0 404 * 405 * @param string $redirect Path to redirect to on logout. 406 * @return string The logout URL. Note: HTML-encoded via esc_html() in wp_nonce_url(). 407 */ 408 function wp_logout_url( $redirect = '' ) { 409 $args = array(); 410 if ( ! empty( $redirect ) ) { 411 $args['redirect_to'] = urlencode( $redirect ); 412 } 413 414 $logout_url = add_query_arg( $args, site_url( 'wp-login.php?action=logout', 'login' ) ); 415 $logout_url = wp_nonce_url( $logout_url, 'log-out' ); 416 417 /** 418 * Filters the logout URL. 419 * 420 * @since 2.8.0 421 * 422 * @param string $logout_url The HTML-encoded logout URL. 423 * @param string $redirect Path to redirect to on logout. 424 */ 425 return apply_filters( 'logout_url', $logout_url, $redirect ); 426 } 427 428 /** 429 * Retrieves the login URL. 430 * 431 * @since 2.7.0 432 * 433 * @param string $redirect Path to redirect to on log in. 434 * @param bool $force_reauth Whether to force reauthorization, even if a cookie is present. 435 * Default false. 436 * @return string The login URL. Not HTML-encoded. 437 */ 438 function wp_login_url( $redirect = '', $force_reauth = false ) { 439 $login_url = site_url( 'wp-login.php', 'login' ); 440 441 if ( ! empty( $redirect ) ) { 442 $login_url = add_query_arg( 'redirect_to', urlencode( $redirect ), $login_url ); 443 } 444 445 if ( $force_reauth ) { 446 $login_url = add_query_arg( 'reauth', '1', $login_url ); 447 } 448 449 /** 450 * Filters the login URL. 451 * 452 * @since 2.8.0 453 * @since 4.2.0 The `$force_reauth` parameter was added. 454 * 455 * @param string $login_url The login URL. Not HTML-encoded. 456 * @param string $redirect The path to redirect to on login, if supplied. 457 * @param bool $force_reauth Whether to force reauthorization, even if a cookie is present. 458 */ 459 return apply_filters( 'login_url', $login_url, $redirect, $force_reauth ); 460 } 461 462 /** 463 * Returns the URL that allows the user to register on the site. 464 * 465 * @since 3.6.0 466 * 467 * @return string User registration URL. 468 */ 469 function wp_registration_url() { 470 /** 471 * Filters the user registration URL. 472 * 473 * @since 3.6.0 474 * 475 * @param string $register The user registration URL. 476 */ 477 return apply_filters( 'register_url', site_url( 'wp-login.php?action=register', 'login' ) ); 478 } 479 480 /** 481 * Provides a simple login form for use anywhere within WordPress. 482 * 483 * The login form HTML is echoed by default. Pass a false value for `$echo` to return it instead. 484 * 485 * @since 3.0.0 486 * 487 * @param array $args { 488 * Optional. Array of options to control the form output. Default empty array. 489 * 490 * @type bool $echo Whether to display the login form or return the form HTML code. 491 * Default true (echo). 492 * @type string $redirect URL to redirect to. Must be absolute, as in "https://example.com/mypage/". 493 * Default is to redirect back to the request URI. 494 * @type string $form_id ID attribute value for the form. Default 'loginform'. 495 * @type string $label_username Label for the username or email address field. Default 'Username or Email Address'. 496 * @type string $label_password Label for the password field. Default 'Password'. 497 * @type string $label_remember Label for the remember field. Default 'Remember Me'. 498 * @type string $label_log_in Label for the submit button. Default 'Log In'. 499 * @type string $id_username ID attribute value for the username field. Default 'user_login'. 500 * @type string $id_password ID attribute value for the password field. Default 'user_pass'. 501 * @type string $id_remember ID attribute value for the remember field. Default 'rememberme'. 502 * @type string $id_submit ID attribute value for the submit button. Default 'wp-submit'. 503 * @type bool $remember Whether to display the "rememberme" checkbox in the form. 504 * @type string $value_username Default value for the username field. Default empty. 505 * @type bool $value_remember Whether the "Remember Me" checkbox should be checked by default. 506 * Default false (unchecked). 507 * 508 * } 509 * @return void|string Void if 'echo' argument is true, login form HTML if 'echo' is false. 510 */ 511 function wp_login_form( $args = array() ) { 512 $defaults = array( 513 'echo' => true, 514 // Default 'redirect' value takes the user back to the request URI. 515 'redirect' => ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'], 516 'form_id' => 'loginform', 517 'label_username' => __( 'Username or Email Address' ), 518 'label_password' => __( 'Password' ), 519 'label_remember' => __( 'Remember Me' ), 520 'label_log_in' => __( 'Log In' ), 521 'id_username' => 'user_login', 522 'id_password' => 'user_pass', 523 'id_remember' => 'rememberme', 524 'id_submit' => 'wp-submit', 525 'remember' => true, 526 'value_username' => '', 527 // Set 'value_remember' to true to default the "Remember me" checkbox to checked. 528 'value_remember' => false, 529 ); 530 531 /** 532 * Filters the default login form output arguments. 533 * 534 * @since 3.0.0 535 * 536 * @see wp_login_form() 537 * 538 * @param array $defaults An array of default login form arguments. 539 */ 540 $args = wp_parse_args( $args, apply_filters( 'login_form_defaults', $defaults ) ); 541 542 /** 543 * Filters content to display at the top of the login form. 544 * 545 * The filter evaluates just following the opening form tag element. 546 * 547 * @since 3.0.0 548 * 549 * @param string $content Content to display. Default empty. 550 * @param array $args Array of login form arguments. 551 */ 552 $login_form_top = apply_filters( 'login_form_top', '', $args ); 553 554 /** 555 * Filters content to display in the middle of the login form. 556 * 557 * The filter evaluates just following the location where the 'login-password' 558 * field is displayed. 559 * 560 * @since 3.0.0 561 * 562 * @param string $content Content to display. Default empty. 563 * @param array $args Array of login form arguments. 564 */ 565 $login_form_middle = apply_filters( 'login_form_middle', '', $args ); 566 567 /** 568 * Filters content to display at the bottom of the login form. 569 * 570 * The filter evaluates just preceding the closing form tag element. 571 * 572 * @since 3.0.0 573 * 574 * @param string $content Content to display. Default empty. 575 * @param array $args Array of login form arguments. 576 */ 577 $login_form_bottom = apply_filters( 'login_form_bottom', '', $args ); 578 579 $form = 580 sprintf( 581 '<form name="%1$s" id="%1$s" action="%2$s" method="post">', 582 esc_attr( $args['form_id'] ), 583 esc_url( site_url( 'wp-login.php', 'login_post' ) ) 584 ) . 585 $login_form_top . 586 sprintf( 587 '<p class="login-username"> 588 <label for="%1$s">%2$s</label> 589 <input type="text" name="log" id="%1$s" autocomplete="username" class="input" value="%3$s" size="20" /> 590 </p>', 591 esc_attr( $args['id_username'] ), 592 esc_html( $args['label_username'] ), 593 esc_attr( $args['value_username'] ) 594 ) . 595 sprintf( 596 '<p class="login-password"> 597 <label for="%1$s">%2$s</label> 598 <input type="password" name="pwd" id="%1$s" autocomplete="current-password" class="input" value="" size="20" /> 599 </p>', 600 esc_attr( $args['id_password'] ), 601 esc_html( $args['label_password'] ) 602 ) . 603 $login_form_middle . 604 ( $args['remember'] ? 605 sprintf( 606 '<p class="login-remember"><label><input name="rememberme" type="checkbox" id="%1$s" value="forever"%2$s /> %3$s</label></p>', 607 esc_attr( $args['id_remember'] ), 608 ( $args['value_remember'] ? ' checked="checked"' : '' ), 609 esc_html( $args['label_remember'] ) 610 ) : '' 611 ) . 612 sprintf( 613 '<p class="login-submit"> 614 <input type="submit" name="wp-submit" id="%1$s" class="button button-primary" value="%2$s" /> 615 <input type="hidden" name="redirect_to" value="%3$s" /> 616 </p>', 617 esc_attr( $args['id_submit'] ), 618 esc_attr( $args['label_log_in'] ), 619 esc_url( $args['redirect'] ) 620 ) . 621 $login_form_bottom . 622 '</form>'; 623 624 if ( $args['echo'] ) { 625 echo $form; 626 } else { 627 return $form; 628 } 629 } 630 631 /** 632 * Returns the URL that allows the user to retrieve the lost password 633 * 634 * @since 2.8.0 635 * 636 * @param string $redirect Path to redirect to on login. 637 * @return string Lost password URL. 638 */ 639 function wp_lostpassword_url( $redirect = '' ) { 640 $args = array( 641 'action' => 'lostpassword', 642 ); 643 644 if ( ! empty( $redirect ) ) { 645 $args['redirect_to'] = urlencode( $redirect ); 646 } 647 648 if ( is_multisite() ) { 649 $blog_details = get_blog_details(); 650 $wp_login_path = $blog_details->path . 'wp-login.php'; 651 } else { 652 $wp_login_path = 'wp-login.php'; 653 } 654 655 $lostpassword_url = add_query_arg( $args, network_site_url( $wp_login_path, 'login' ) ); 656 657 /** 658 * Filters the Lost Password URL. 659 * 660 * @since 2.8.0 661 * 662 * @param string $lostpassword_url The lost password page URL. 663 * @param string $redirect The path to redirect to on login. 664 */ 665 return apply_filters( 'lostpassword_url', $lostpassword_url, $redirect ); 666 } 667 668 /** 669 * Display the Registration or Admin link. 670 * 671 * Display a link which allows the user to navigate to the registration page if 672 * not logged in and registration is enabled or to the dashboard if logged in. 673 * 674 * @since 1.5.0 675 * 676 * @param string $before Text to output before the link. Default `<li>`. 677 * @param string $after Text to output after the link. Default `</li>`. 678 * @param bool $echo Default to echo and not return the link. 679 * @return void|string Void if `$echo` argument is true, registration or admin link 680 * if `$echo` is false. 681 */ 682 function wp_register( $before = '<li>', $after = '</li>', $echo = true ) { 683 if ( ! is_user_logged_in() ) { 684 if ( get_option( 'users_can_register' ) ) { 685 $link = $before . '<a href="' . esc_url( wp_registration_url() ) . '">' . __( 'Register' ) . '</a>' . $after; 686 } else { 687 $link = ''; 688 } 689 } elseif ( current_user_can( 'read' ) ) { 690 $link = $before . '<a href="' . admin_url() . '">' . __( 'Site Admin' ) . '</a>' . $after; 691 } else { 692 $link = ''; 693 } 694 695 /** 696 * Filters the HTML link to the Registration or Admin page. 697 * 698 * Users are sent to the admin page if logged-in, or the registration page 699 * if enabled and logged-out. 700 * 701 * @since 1.5.0 702 * 703 * @param string $link The HTML code for the link to the Registration or Admin page. 704 */ 705 $link = apply_filters( 'register', $link ); 706 707 if ( $echo ) { 708 echo $link; 709 } else { 710 return $link; 711 } 712 } 713 714 /** 715 * Theme container function for the 'wp_meta' action. 716 * 717 * The {@see 'wp_meta'} action can have several purposes, depending on how you use it, 718 * but one purpose might have been to allow for theme switching. 719 * 720 * @since 1.5.0 721 * 722 * @link https://core.trac.wordpress.org/ticket/1458 Explanation of 'wp_meta' action. 723 */ 724 function wp_meta() { 725 /** 726 * Fires before displaying echoed content in the sidebar. 727 * 728 * @since 1.5.0 729 */ 730 do_action( 'wp_meta' ); 731 } 732 733 /** 734 * Displays information about the current site. 735 * 736 * @since 0.71 737 * 738 * @see get_bloginfo() For possible `$show` values 739 * 740 * @param string $show Optional. Site information to display. Default empty. 741 */ 742 function bloginfo( $show = '' ) { 743 echo get_bloginfo( $show, 'display' ); 744 } 745 746 /** 747 * Retrieves information about the current site. 748 * 749 * Possible values for `$show` include: 750 * 751 * - 'name' - Site title (set in Settings > General) 752 * - 'description' - Site tagline (set in Settings > General) 753 * - 'wpurl' - The WordPress address (URL) (set in Settings > General) 754 * - 'url' - The Site address (URL) (set in Settings > General) 755 * - 'admin_email' - Admin email (set in Settings > General) 756 * - 'charset' - The "Encoding for pages and feeds" (set in Settings > Reading) 757 * - 'version' - The current WordPress version 758 * - 'html_type' - The content-type (default: "text/html"). Themes and plugins 759 * can override the default value using the {@see 'pre_option_html_type'} filter 760 * - 'text_direction' - The text direction determined by the site's language. is_rtl() 761 * should be used instead 762 * - 'language' - Language code for the current site 763 * - 'stylesheet_url' - URL to the stylesheet for the active theme. An active child theme 764 * will take precedence over this value 765 * - 'stylesheet_directory' - Directory path for the active theme. An active child theme 766 * will take precedence over this value 767 * - 'template_url' / 'template_directory' - URL of the active theme's directory. An active 768 * child theme will NOT take precedence over this value 769 * - 'pingback_url' - The pingback XML-RPC file URL (xmlrpc.php) 770 * - 'atom_url' - The Atom feed URL (/feed/atom) 771 * - 'rdf_url' - The RDF/RSS 1.0 feed URL (/feed/rdf) 772 * - 'rss_url' - The RSS 0.92 feed URL (/feed/rss) 773 * - 'rss2_url' - The RSS 2.0 feed URL (/feed) 774 * - 'comments_atom_url' - The comments Atom feed URL (/comments/feed) 775 * - 'comments_rss2_url' - The comments RSS 2.0 feed URL (/comments/feed) 776 * 777 * Some `$show` values are deprecated and will be removed in future versions. 778 * These options will trigger the _deprecated_argument() function. 779 * 780 * Deprecated arguments include: 781 * 782 * - 'siteurl' - Use 'url' instead 783 * - 'home' - Use 'url' instead 784 * 785 * @since 0.71 786 * 787 * @global string $wp_version The WordPress version string. 788 * 789 * @param string $show Optional. Site info to retrieve. Default empty (site name). 790 * @param string $filter Optional. How to filter what is retrieved. Default 'raw'. 791 * @return string Mostly string values, might be empty. 792 */ 793 function get_bloginfo( $show = '', $filter = 'raw' ) { 794 switch ( $show ) { 795 case 'home': // Deprecated. 796 case 'siteurl': // Deprecated. 797 _deprecated_argument( 798 __FUNCTION__, 799 '2.2.0', 800 sprintf( 801 /* translators: 1: 'siteurl'/'home' argument, 2: bloginfo() function name, 3: 'url' argument. */ 802 __( 'The %1$s option is deprecated for the family of %2$s functions. Use the %3$s option instead.' ), 803 '<code>' . $show . '</code>', 804 '<code>bloginfo()</code>', 805 '<code>url</code>' 806 ) 807 ); 808 // Intentional fall-through to be handled by the 'url' case. 809 case 'url': 810 $output = home_url(); 811 break; 812 case 'wpurl': 813 $output = site_url(); 814 break; 815 case 'description': 816 $output = get_option( 'blogdescription' ); 817 break; 818 case 'rdf_url': 819 $output = get_feed_link( 'rdf' ); 820 break; 821 case 'rss_url': 822 $output = get_feed_link( 'rss' ); 823 break; 824 case 'rss2_url': 825 $output = get_feed_link( 'rss2' ); 826 break; 827 case 'atom_url': 828 $output = get_feed_link( 'atom' ); 829 break; 830 case 'comments_atom_url': 831 $output = get_feed_link( 'comments_atom' ); 832 break; 833 case 'comments_rss2_url': 834 $output = get_feed_link( 'comments_rss2' ); 835 break; 836 case 'pingback_url': 837 $output = site_url( 'xmlrpc.php' ); 838 break; 839 case 'stylesheet_url': 840 $output = get_stylesheet_uri(); 841 break; 842 case 'stylesheet_directory': 843 $output = get_stylesheet_directory_uri(); 844 break; 845 case 'template_directory': 846 case 'template_url': 847 $output = get_template_directory_uri(); 848 break; 849 case 'admin_email': 850 $output = get_option( 'admin_email' ); 851 break; 852 case 'charset': 853 $output = get_option( 'blog_charset' ); 854 if ( '' === $output ) { 855 $output = 'UTF-8'; 856 } 857 break; 858 case 'html_type': 859 $output = get_option( 'html_type' ); 860 break; 861 case 'version': 862 global $wp_version; 863 $output = $wp_version; 864 break; 865 case 'language': 866 /* 867 * translators: Translate this to the correct language tag for your locale, 868 * see https://www.w3.org/International/articles/language-tags/ for reference. 869 * Do not translate into your own language. 870 */ 871 $output = __( 'html_lang_attribute' ); 872 if ( 'html_lang_attribute' === $output || preg_match( '/[^a-zA-Z0-9-]/', $output ) ) { 873 $output = determine_locale(); 874 $output = str_replace( '_', '-', $output ); 875 } 876 break; 877 case 'text_direction': 878 _deprecated_argument( 879 __FUNCTION__, 880 '2.2.0', 881 sprintf( 882 /* translators: 1: 'text_direction' argument, 2: bloginfo() function name, 3: is_rtl() function name. */ 883 __( 'The %1$s option is deprecated for the family of %2$s functions. Use the %3$s function instead.' ), 884 '<code>' . $show . '</code>', 885 '<code>bloginfo()</code>', 886 '<code>is_rtl()</code>' 887 ) 888 ); 889 if ( function_exists( 'is_rtl' ) ) { 890 $output = is_rtl() ? 'rtl' : 'ltr'; 891 } else { 892 $output = 'ltr'; 893 } 894 break; 895 case 'name': 896 default: 897 $output = get_option( 'blogname' ); 898 break; 899 } 900 901 $url = true; 902 if ( strpos( $show, 'url' ) === false && 903 strpos( $show, 'directory' ) === false && 904 strpos( $show, 'home' ) === false ) { 905 $url = false; 906 } 907 908 if ( 'display' === $filter ) { 909 if ( $url ) { 910 /** 911 * Filters the URL returned by get_bloginfo(). 912 * 913 * @since 2.0.5 914 * 915 * @param string $output The URL returned by bloginfo(). 916 * @param string $show Type of information requested. 917 */ 918 $output = apply_filters( 'bloginfo_url', $output, $show ); 919 } else { 920 /** 921 * Filters the site information returned by get_bloginfo(). 922 * 923 * @since 0.71 924 * 925 * @param mixed $output The requested non-URL site information. 926 * @param string $show Type of information requested. 927 */ 928 $output = apply_filters( 'bloginfo', $output, $show ); 929 } 930 } 931 932 return $output; 933 } 934 935 /** 936 * Returns the Site Icon URL. 937 * 938 * @since 4.3.0 939 * 940 * @param int $size Optional. Size of the site icon. Default 512 (pixels). 941 * @param string $url Optional. Fallback url if no site icon is found. Default empty. 942 * @param int $blog_id Optional. ID of the blog to get the site icon for. Default current blog. 943 * @return string Site Icon URL. 944 */ 945 function get_site_icon_url( $size = 512, $url = '', $blog_id = 0 ) { 946 $switched_blog = false; 947 948 if ( is_multisite() && ! empty( $blog_id ) && get_current_blog_id() !== (int) $blog_id ) { 949 switch_to_blog( $blog_id ); 950 $switched_blog = true; 951 } 952 953 $site_icon_id = get_option( 'site_icon' ); 954 955 if ( $site_icon_id ) { 956 if ( $size >= 512 ) { 957 $size_data = 'full'; 958 } else { 959 $size_data = array( $size, $size ); 960 } 961 $url = wp_get_attachment_image_url( $site_icon_id, $size_data ); 962 } 963 964 if ( $switched_blog ) { 965 restore_current_blog(); 966 } 967 968 /** 969 * Filters the site icon URL. 970 * 971 * @since 4.4.0 972 * 973 * @param string $url Site icon URL. 974 * @param int $size Size of the site icon. 975 * @param int $blog_id ID of the blog to get the site icon for. 976 */ 977 return apply_filters( 'get_site_icon_url', $url, $size, $blog_id ); 978 } 979 980 /** 981 * Displays the Site Icon URL. 982 * 983 * @since 4.3.0 984 * 985 * @param int $size Optional. Size of the site icon. Default 512 (pixels). 986 * @param string $url Optional. Fallback url if no site icon is found. Default empty. 987 * @param int $blog_id Optional. ID of the blog to get the site icon for. Default current blog. 988 */ 989 function site_icon_url( $size = 512, $url = '', $blog_id = 0 ) { 990 echo esc_url( get_site_icon_url( $size, $url, $blog_id ) ); 991 } 992 993 /** 994 * Whether the site has a Site Icon. 995 * 996 * @since 4.3.0 997 * 998 * @param int $blog_id Optional. ID of the blog in question. Default current blog. 999 * @return bool Whether the site has a site icon or not. 1000 */ 1001 function has_site_icon( $blog_id = 0 ) { 1002 return (bool) get_site_icon_url( 512, '', $blog_id ); 1003 } 1004 1005 /** 1006 * Determines whether the site has a custom logo. 1007 * 1008 * @since 4.5.0 1009 * 1010 * @param int $blog_id Optional. ID of the blog in question. Default is the ID of the current blog. 1011 * @return bool Whether the site has a custom logo or not. 1012 */ 1013 function has_custom_logo( $blog_id = 0 ) { 1014 $switched_blog = false; 1015 1016 if ( is_multisite() && ! empty( $blog_id ) && get_current_blog_id() !== (int) $blog_id ) { 1017 switch_to_blog( $blog_id ); 1018 $switched_blog = true; 1019 } 1020 1021 $custom_logo_id = get_theme_mod( 'custom_logo' ); 1022 1023 if ( $switched_blog ) { 1024 restore_current_blog(); 1025 } 1026 1027 return (bool) $custom_logo_id; 1028 } 1029 1030 /** 1031 * Returns a custom logo, linked to home unless the theme supports removing the link on the home page. 1032 * 1033 * @since 4.5.0 1034 * @since 5.5.0 Added option to remove the link on the home page with `unlink-homepage-logo` theme support 1035 * for the `custom-logo` theme feature. 1036 * @since 5.5.1 Disabled lazy-loading by default. 1037 * 1038 * @param int $blog_id Optional. ID of the blog in question. Default is the ID of the current blog. 1039 * @return string Custom logo markup. 1040 */ 1041 function get_custom_logo( $blog_id = 0 ) { 1042 $html = ''; 1043 $switched_blog = false; 1044 1045 if ( is_multisite() && ! empty( $blog_id ) && get_current_blog_id() !== (int) $blog_id ) { 1046 switch_to_blog( $blog_id ); 1047 $switched_blog = true; 1048 } 1049 1050 $custom_logo_id = get_theme_mod( 'custom_logo' ); 1051 1052 // We have a logo. Logo is go. 1053 if ( $custom_logo_id ) { 1054 $custom_logo_attr = array( 1055 'class' => 'custom-logo', 1056 'loading' => false, 1057 ); 1058 1059 $unlink_homepage_logo = (bool) get_theme_support( 'custom-logo', 'unlink-homepage-logo' ); 1060 1061 if ( $unlink_homepage_logo && is_front_page() && ! is_paged() ) { 1062 /* 1063 * If on the home page, set the logo alt attribute to an empty string, 1064 * as the image is decorative and doesn't need its purpose to be described. 1065 */ 1066 $custom_logo_attr['alt'] = ''; 1067 } else { 1068 /* 1069 * If the logo alt attribute is empty, get the site title and explicitly pass it 1070 * to the attributes used by wp_get_attachment_image(). 1071 */ 1072 $image_alt = get_post_meta( $custom_logo_id, '_wp_attachment_image_alt', true ); 1073 if ( empty( $image_alt ) ) { 1074 $custom_logo_attr['alt'] = get_bloginfo( 'name', 'display' ); 1075 } 1076 } 1077 1078 /** 1079 * Filters the list of custom logo image attributes. 1080 * 1081 * @since 5.5.0 1082 * 1083 * @param array $custom_logo_attr Custom logo image attributes. 1084 * @param int $custom_logo_id Custom logo attachment ID. 1085 * @param int $blog_id ID of the blog to get the custom logo for. 1086 */ 1087 $custom_logo_attr = apply_filters( 'get_custom_logo_image_attributes', $custom_logo_attr, $custom_logo_id, $blog_id ); 1088 1089 /* 1090 * If the alt attribute is not empty, there's no need to explicitly pass it 1091 * because wp_get_attachment_image() already adds the alt attribute. 1092 */ 1093 $image = wp_get_attachment_image( $custom_logo_id, 'full', false, $custom_logo_attr ); 1094 1095 if ( $unlink_homepage_logo && is_front_page() && ! is_paged() ) { 1096 // If on the home page, don't link the logo to home. 1097 $html = sprintf( 1098 '<span class="custom-logo-link">%1$s</span>', 1099 $image 1100 ); 1101 } else { 1102 $aria_current = is_front_page() && ! is_paged() ? ' aria-current="page"' : ''; 1103 1104 $html = sprintf( 1105 '<a href="%1$s" class="custom-logo-link" rel="home"%2$s>%3$s</a>', 1106 esc_url( home_url( '/' ) ), 1107 $aria_current, 1108 $image 1109 ); 1110 } 1111 } elseif ( is_customize_preview() ) { 1112 // If no logo is set but we're in the Customizer, leave a placeholder (needed for the live preview). 1113 $html = sprintf( 1114 '<a href="%1$s" class="custom-logo-link" style="display:none;"><img class="custom-logo" alt="" /></a>', 1115 esc_url( home_url( '/' ) ) 1116 ); 1117 } 1118 1119 if ( $switched_blog ) { 1120 restore_current_blog(); 1121 } 1122 1123 /** 1124 * Filters the custom logo output. 1125 * 1126 * @since 4.5.0 1127 * @since 4.6.0 Added the `$blog_id` parameter. 1128 * 1129 * @param string $html Custom logo HTML output. 1130 * @param int $blog_id ID of the blog to get the custom logo for. 1131 */ 1132 return apply_filters( 'get_custom_logo', $html, $blog_id ); 1133 } 1134 1135 /** 1136 * Displays a custom logo, linked to home unless the theme supports removing the link on the home page. 1137 * 1138 * @since 4.5.0 1139 * 1140 * @param int $blog_id Optional. ID of the blog in question. Default is the ID of the current blog. 1141 */ 1142 function the_custom_logo( $blog_id = 0 ) { 1143 echo get_custom_logo( $blog_id ); 1144 } 1145 1146 /** 1147 * Returns document title for the current page. 1148 * 1149 * @since 4.4.0 1150 * 1151 * @global int $page Page number of a single post. 1152 * @global int $paged Page number of a list of posts. 1153 * 1154 * @return string Tag with the document title. 1155 */ 1156 function wp_get_document_title() { 1157 1158 /** 1159 * Filters the document title before it is generated. 1160 * 1161 * Passing a non-empty value will short-circuit wp_get_document_title(), 1162 * returning that value instead. 1163 * 1164 * @since 4.4.0 1165 * 1166 * @param string $title The document title. Default empty string. 1167 */ 1168 $title = apply_filters( 'pre_get_document_title', '' ); 1169 if ( ! empty( $title ) ) { 1170 return $title; 1171 } 1172 1173 global $page, $paged; 1174 1175 $title = array( 1176 'title' => '', 1177 ); 1178 1179 // If it's a 404 page, use a "Page not found" title. 1180 if ( is_404() ) { 1181 $title['title'] = __( 'Page not found' ); 1182 1183 // If it's a search, use a dynamic search results title. 1184 } elseif ( is_search() ) { 1185 /* translators: %s: Search query. */ 1186 $title['title'] = sprintf( __( 'Search Results for “%s”' ), get_search_query() ); 1187 1188 // If on the front page, use the site title. 1189 } elseif ( is_front_page() ) { 1190 $title['title'] = get_bloginfo( 'name', 'display' ); 1191 1192 // If on a post type archive, use the post type archive title. 1193 } elseif ( is_post_type_archive() ) { 1194 $title['title'] = post_type_archive_title( '', false ); 1195 1196 // If on a taxonomy archive, use the term title. 1197 } elseif ( is_tax() ) { 1198 $title['title'] = single_term_title( '', false ); 1199 1200 /* 1201 * If we're on the blog page that is not the homepage 1202 * or a single post of any post type, use the post title. 1203 */ 1204 } elseif ( is_home() || is_singular() ) { 1205 $title['title'] = single_post_title( '', false ); 1206 1207 // If on a category or tag archive, use the term title. 1208 } elseif ( is_category() || is_tag() ) { 1209 $title['title'] = single_term_title( '', false ); 1210 1211 // If on an author archive, use the author's display name. 1212 } elseif ( is_author() && get_queried_object() ) { 1213 $author = get_queried_object(); 1214 $title['title'] = $author->display_name; 1215 1216 // If it's a date archive, use the date as the title. 1217 } elseif ( is_year() ) { 1218 $title['title'] = get_the_date( _x( 'Y', 'yearly archives date format' ) ); 1219 1220 } elseif ( is_month() ) { 1221 $title['title'] = get_the_date( _x( 'F Y', 'monthly archives date format' ) ); 1222 1223 } elseif ( is_day() ) { 1224 $title['title'] = get_the_date(); 1225 } 1226 1227 // Add a page number if necessary. 1228 if ( ( $paged >= 2 || $page >= 2 ) && ! is_404() ) { 1229 /* translators: %s: Page number. */ 1230 $title['page'] = sprintf( __( 'Page %s' ), max( $paged, $page ) ); 1231 } 1232 1233 // Append the description or site title to give context. 1234 if ( is_front_page() ) { 1235 $title['tagline'] = get_bloginfo( 'description', 'display' ); 1236 } else { 1237 $title['site'] = get_bloginfo( 'name', 'display' ); 1238 } 1239 1240 /** 1241 * Filters the separator for the document title. 1242 * 1243 * @since 4.4.0 1244 * 1245 * @param string $sep Document title separator. Default '-'. 1246 */ 1247 $sep = apply_filters( 'document_title_separator', '-' ); 1248 1249 /** 1250 * Filters the parts of the document title. 1251 * 1252 * @since 4.4.0 1253 * 1254 * @param array $title { 1255 * The document title parts. 1256 * 1257 * @type string $title Title of the viewed page. 1258 * @type string $page Optional. Page number if paginated. 1259 * @type string $tagline Optional. Site description when on home page. 1260 * @type string $site Optional. Site title when not on home page. 1261 * } 1262 */ 1263 $title = apply_filters( 'document_title_parts', $title ); 1264 1265 $title = implode( " $sep ", array_filter( $title ) ); 1266 1267 /** 1268 * Filters the document title. 1269 * 1270 * @since 5.8.0 1271 * 1272 * @param string $title Document title. 1273 */ 1274 $title = apply_filters( 'document_title', $title ); 1275 1276 return $title; 1277 } 1278 1279 /** 1280 * Displays title tag with content. 1281 * 1282 * @ignore 1283 * @since 4.1.0 1284 * @since 4.4.0 Improved title output replaced `wp_title()`. 1285 * @access private 1286 */ 1287 function _wp_render_title_tag() { 1288 if ( ! current_theme_supports( 'title-tag' ) ) { 1289 return; 1290 } 1291 1292 echo '<title>' . wp_get_document_title() . '</title>' . "\n"; 1293 } 1294 1295 /** 1296 * Display or retrieve page title for all areas of blog. 1297 * 1298 * By default, the page title will display the separator before the page title, 1299 * so that the blog title will be before the page title. This is not good for 1300 * title display, since the blog title shows up on most tabs and not what is 1301 * important, which is the page that the user is looking at. 1302 * 1303 * There are also SEO benefits to having the blog title after or to the 'right' 1304 * of the page title. However, it is mostly common sense to have the blog title 1305 * to the right with most browsers supporting tabs. You can achieve this by 1306 * using the seplocation parameter and setting the value to 'right'. This change 1307 * was introduced around 2.5.0, in case backward compatibility of themes is 1308 * important. 1309 * 1310 * @since 1.0.0 1311 * 1312 * @global WP_Locale $wp_locale WordPress date and time locale object. 1313 * 1314 * @param string $sep Optional. How to separate the various items within the page title. 1315 * Default '»'. 1316 * @param bool $display Optional. Whether to display or retrieve title. Default true. 1317 * @param string $seplocation Optional. Location of the separator ('left' or 'right'). 1318 * @return string|void String when `$display` is false, nothing otherwise. 1319 */ 1320 function wp_title( $sep = '»', $display = true, $seplocation = '' ) { 1321 global $wp_locale; 1322 1323 $m = get_query_var( 'm' ); 1324 $year = get_query_var( 'year' ); 1325 $monthnum = get_query_var( 'monthnum' ); 1326 $day = get_query_var( 'day' ); 1327 $search = get_query_var( 's' ); 1328 $title = ''; 1329 1330 $t_sep = '%WP_TITLE_SEP%'; // Temporary separator, for accurate flipping, if necessary. 1331 1332 // If there is a post. 1333 if ( is_single() || ( is_home() && ! is_front_page() ) || ( is_page() && ! is_front_page() ) ) { 1334 $title = single_post_title( '', false ); 1335 } 1336 1337 // If there's a post type archive. 1338 if ( is_post_type_archive() ) { 1339 $post_type = get_query_var( 'post_type' ); 1340 if ( is_array( $post_type ) ) { 1341 $post_type = reset( $post_type ); 1342 } 1343 $post_type_object = get_post_type_object( $post_type ); 1344 if ( ! $post_type_object->has_archive ) { 1345 $title = post_type_archive_title( '', false ); 1346 } 1347 } 1348 1349 // If there's a category or tag. 1350 if ( is_category() || is_tag() ) { 1351 $title = single_term_title( '', false ); 1352 } 1353 1354 // If there's a taxonomy. 1355 if ( is_tax() ) { 1356 $term = get_queried_object(); 1357 if ( $term ) { 1358 $tax = get_taxonomy( $term->taxonomy ); 1359 $title = single_term_title( $tax->labels->name . $t_sep, false ); 1360 } 1361 } 1362 1363 // If there's an author. 1364 if ( is_author() && ! is_post_type_archive() ) { 1365 $author = get_queried_object(); 1366 if ( $author ) { 1367 $title = $author->display_name; 1368 } 1369 } 1370 1371 // Post type archives with has_archive should override terms. 1372 if ( is_post_type_archive() && $post_type_object->has_archive ) { 1373 $title = post_type_archive_title( '', false ); 1374 } 1375 1376 // If there's a month. 1377 if ( is_archive() && ! empty( $m ) ) { 1378 $my_year = substr( $m, 0, 4 ); 1379 $my_month = substr( $m, 4, 2 ); 1380 $my_day = (int) substr( $m, 6, 2 ); 1381 $title = $my_year . 1382 ( $my_month ? $t_sep . $wp_locale->get_month( $my_month ) : '' ) . 1383 ( $my_day ? $t_sep . $my_day : '' ); 1384 } 1385 1386 // If there's a year. 1387 if ( is_archive() && ! empty( $year ) ) { 1388 $title = $year; 1389 if ( ! empty( $monthnum ) ) { 1390 $title .= $t_sep . $wp_locale->get_month( $monthnum ); 1391 } 1392 if ( ! empty( $day ) ) { 1393 $title .= $t_sep . zeroise( $day, 2 ); 1394 } 1395 } 1396 1397 // If it's a search. 1398 if ( is_search() ) { 1399 /* translators: 1: Separator, 2: Search query. */ 1400 $title = sprintf( __( 'Search Results %1$s %2$s' ), $t_sep, strip_tags( $search ) ); 1401 } 1402 1403 // If it's a 404 page. 1404 if ( is_404() ) { 1405 $title = __( 'Page not found' ); 1406 } 1407 1408 $prefix = ''; 1409 if ( ! empty( $title ) ) { 1410 $prefix = " $sep "; 1411 } 1412 1413 /** 1414 * Filters the parts of the page title. 1415 * 1416 * @since 4.0.0 1417 * 1418 * @param string[] $title_array Array of parts of the page title. 1419 */ 1420 $title_array = apply_filters( 'wp_title_parts', explode( $t_sep, $title ) ); 1421 1422 // Determines position of the separator and direction of the breadcrumb. 1423 if ( 'right' === $seplocation ) { // Separator on right, so reverse the order. 1424 $title_array = array_reverse( $title_array ); 1425 $title = implode( " $sep ", $title_array ) . $prefix; 1426 } else { 1427 $title = $prefix . implode( " $sep ", $title_array ); 1428 } 1429 1430 /** 1431 * Filters the text of the page title. 1432 * 1433 * @since 2.0.0 1434 * 1435 * @param string $title Page title. 1436 * @param string $sep Title separator. 1437 * @param string $seplocation Location of the separator ('left' or 'right'). 1438 */ 1439 $title = apply_filters( 'wp_title', $title, $sep, $seplocation ); 1440 1441 // Send it out. 1442 if ( $display ) { 1443 echo $title; 1444 } else { 1445 return $title; 1446 } 1447 } 1448 1449 /** 1450 * Display or retrieve page title for post. 1451 * 1452 * This is optimized for single.php template file for displaying the post title. 1453 * 1454 * It does not support placing the separator after the title, but by leaving the 1455 * prefix parameter empty, you can set the title separator manually. The prefix 1456 * does not automatically place a space between the prefix, so if there should 1457 * be a space, the parameter value will need to have it at the end. 1458 * 1459 * @since 0.71 1460 * 1461 * @param string $prefix Optional. What to display before the title. 1462 * @param bool $display Optional. Whether to display or retrieve title. Default true. 1463 * @return string|void Title when retrieving. 1464 */ 1465 function single_post_title( $prefix = '', $display = true ) { 1466 $_post = get_queried_object(); 1467 1468 if ( ! isset( $_post->post_title ) ) { 1469 return; 1470 } 1471 1472 /** 1473 * Filters the page title for a single post. 1474 * 1475 * @since 0.71 1476 * 1477 * @param string $_post_title The single post page title. 1478 * @param WP_Post $_post The current post. 1479 */ 1480 $title = apply_filters( 'single_post_title', $_post->post_title, $_post ); 1481 if ( $display ) { 1482 echo $prefix . $title; 1483 } else { 1484 return $prefix . $title; 1485 } 1486 } 1487 1488 /** 1489 * Display or retrieve title for a post type archive. 1490 * 1491 * This is optimized for archive.php and archive-{$post_type}.php template files 1492 * for displaying the title of the post type. 1493 * 1494 * @since 3.1.0 1495 * 1496 * @param string $prefix Optional. What to display before the title. 1497 * @param bool $display Optional. Whether to display or retrieve title. Default true. 1498 * @return string|void Title when retrieving, null when displaying or failure. 1499 */ 1500 function post_type_archive_title( $prefix = '', $display = true ) { 1501 if ( ! is_post_type_archive() ) { 1502 return; 1503 } 1504 1505 $post_type = get_query_var( 'post_type' ); 1506 if ( is_array( $post_type ) ) { 1507 $post_type = reset( $post_type ); 1508 } 1509 1510 $post_type_obj = get_post_type_object( $post_type ); 1511 1512 /** 1513 * Filters the post type archive title. 1514 * 1515 * @since 3.1.0 1516 * 1517 * @param string $post_type_name Post type 'name' label. 1518 * @param string $post_type Post type. 1519 */ 1520 $title = apply_filters( 'post_type_archive_title', $post_type_obj->labels->name, $post_type ); 1521 1522 if ( $display ) { 1523 echo $prefix . $title; 1524 } else { 1525 return $prefix . $title; 1526 } 1527 } 1528 1529 /** 1530 * Display or retrieve page title for category archive. 1531 * 1532 * Useful for category template files for displaying the category page title. 1533 * The prefix does not automatically place a space between the prefix, so if 1534 * there should be a space, the parameter value will need to have it at the end. 1535 * 1536 * @since 0.71 1537 * 1538 * @param string $prefix Optional. What to display before the title. 1539 * @param bool $display Optional. Whether to display or retrieve title. Default true. 1540 * @return string|void Title when retrieving. 1541 */ 1542 function single_cat_title( $prefix = '', $display = true ) { 1543 return single_term_title( $prefix, $display ); 1544 } 1545 1546 /** 1547 * Display or retrieve page title for tag post archive. 1548 * 1549 * Useful for tag template files for displaying the tag page title. The prefix 1550 * does not automatically place a space between the prefix, so if there should 1551 * be a space, the parameter value will need to have it at the end. 1552 * 1553 * @since 2.3.0 1554 * 1555 * @param string $prefix Optional. What to display before the title. 1556 * @param bool $display Optional. Whether to display or retrieve title. Default true. 1557 * @return string|void Title when retrieving. 1558 */ 1559 function single_tag_title( $prefix = '', $display = true ) { 1560 return single_term_title( $prefix, $display ); 1561 } 1562 1563 /** 1564 * Display or retrieve page title for taxonomy term archive. 1565 * 1566 * Useful for taxonomy term template files for displaying the taxonomy term page title. 1567 * The prefix does not automatically place a space between the prefix, so if there should 1568 * be a space, the parameter value will need to have it at the end. 1569 * 1570 * @since 3.1.0 1571 * 1572 * @param string $prefix Optional. What to display before the title. 1573 * @param bool $display Optional. Whether to display or retrieve title. Default true. 1574 * @return string|void Title when retrieving. 1575 */ 1576 function single_term_title( $prefix = '', $display = true ) { 1577 $term = get_queried_object(); 1578 1579 if ( ! $term ) { 1580 return; 1581 } 1582 1583 if ( is_category() ) { 1584 /** 1585 * Filters the category archive page title. 1586 * 1587 * @since 2.0.10 1588 * 1589 * @param string $term_name Category name for archive being displayed. 1590 */ 1591 $term_name = apply_filters( 'single_cat_title', $term->name ); 1592 } elseif ( is_tag() ) { 1593 /** 1594 * Filters the tag archive page title. 1595 * 1596 * @since 2.3.0 1597 * 1598 * @param string $term_name Tag name for archive being displayed. 1599 */ 1600 $term_name = apply_filters( 'single_tag_title', $term->name ); 1601 } elseif ( is_tax() ) { 1602 /** 1603 * Filters the custom taxonomy archive page title. 1604 * 1605 * @since 3.1.0 1606 * 1607 * @param string $term_name Term name for archive being displayed. 1608 */ 1609 $term_name = apply_filters( 'single_term_title', $term->name ); 1610 } else { 1611 return; 1612 } 1613 1614 if ( empty( $term_name ) ) { 1615 return; 1616 } 1617 1618 if ( $display ) { 1619 echo $prefix . $term_name; 1620 } else { 1621 return $prefix . $term_name; 1622 } 1623 } 1624 1625 /** 1626 * Display or retrieve page title for post archive based on date. 1627 * 1628 * Useful for when the template only needs to display the month and year, 1629 * if either are available. The prefix does not automatically place a space 1630 * between the prefix, so if there should be a space, the parameter value 1631 * will need to have it at the end. 1632 * 1633 * @since 0.71 1634 * 1635 * @global WP_Locale $wp_locale WordPress date and time locale object. 1636 * 1637 * @param string $prefix Optional. What to display before the title. 1638 * @param bool $display Optional. Whether to display or retrieve title. Default true. 1639 * @return string|false|void False if there's no valid title for the month. Title when retrieving. 1640 */ 1641 function single_month_title( $prefix = '', $display = true ) { 1642 global $wp_locale; 1643 1644 $m = get_query_var( 'm' ); 1645 $year = get_query_var( 'year' ); 1646 $monthnum = get_query_var( 'monthnum' ); 1647 1648 if ( ! empty( $monthnum ) && ! empty( $year ) ) { 1649 $my_year = $year; 1650 $my_month = $wp_locale->get_month( $monthnum ); 1651 } elseif ( ! empty( $m ) ) { 1652 $my_year = substr( $m, 0, 4 ); 1653 $my_month = $wp_locale->get_month( substr( $m, 4, 2 ) ); 1654 } 1655 1656 if ( empty( $my_month ) ) { 1657 return false; 1658 } 1659 1660 $result = $prefix . $my_month . $prefix . $my_year; 1661 1662 if ( ! $display ) { 1663 return $result; 1664 } 1665 echo $result; 1666 } 1667 1668 /** 1669 * Display the archive title based on the queried object. 1670 * 1671 * @since 4.1.0 1672 * 1673 * @see get_the_archive_title() 1674 * 1675 * @param string $before Optional. Content to prepend to the title. Default empty. 1676 * @param string $after Optional. Content to append to the title. Default empty. 1677 */ 1678 function the_archive_title( $before = '', $after = '' ) { 1679 $title = get_the_archive_title(); 1680 1681 if ( ! empty( $title ) ) { 1682 echo $before . $title . $after; 1683 } 1684 } 1685 1686 /** 1687 * Retrieve the archive title based on the queried object. 1688 * 1689 * @since 4.1.0 1690 * @since 5.5.0 The title part is wrapped in a `<span>` element. 1691 * 1692 * @return string Archive title. 1693 */ 1694 function get_the_archive_title() { 1695 $title = __( 'Archives' ); 1696 $prefix = ''; 1697 1698 if ( is_category() ) { 1699 $title = single_cat_title( '', false ); 1700 $prefix = _x( 'Category:', 'category archive title prefix' ); 1701 } elseif ( is_tag() ) { 1702 $title = single_tag_title( '', false ); 1703 $prefix = _x( 'Tag:', 'tag archive title prefix' ); 1704 } elseif ( is_author() ) { 1705 $title = get_the_author(); 1706 $prefix = _x( 'Author:', 'author archive title prefix' ); 1707 } elseif ( is_year() ) { 1708 $title = get_the_date( _x( 'Y', 'yearly archives date format' ) ); 1709 $prefix = _x( 'Year:', 'date archive title prefix' ); 1710 } elseif ( is_month() ) { 1711 $title = get_the_date( _x( 'F Y', 'monthly archives date format' ) ); 1712 $prefix = _x( 'Month:', 'date archive title prefix' ); 1713 } elseif ( is_day() ) { 1714 $title = get_the_date( _x( 'F j, Y', 'daily archives date format' ) ); 1715 $prefix = _x( 'Day:', 'date archive title prefix' ); 1716 } elseif ( is_tax( 'post_format' ) ) { 1717 if ( is_tax( 'post_format', 'post-format-aside' ) ) { 1718 $title = _x( 'Asides', 'post format archive title' ); 1719 } elseif ( is_tax( 'post_format', 'post-format-gallery' ) ) { 1720 $title = _x( 'Galleries', 'post format archive title' ); 1721 } elseif ( is_tax( 'post_format', 'post-format-image' ) ) { 1722 $title = _x( 'Images', 'post format archive title' ); 1723 } elseif ( is_tax( 'post_format', 'post-format-video' ) ) { 1724 $title = _x( 'Videos', 'post format archive title' ); 1725 } elseif ( is_tax( 'post_format', 'post-format-quote' ) ) { 1726 $title = _x( 'Quotes', 'post format archive title' ); 1727 } elseif ( is_tax( 'post_format', 'post-format-link' ) ) { 1728 $title = _x( 'Links', 'post format archive title' ); 1729 } elseif ( is_tax( 'post_format', 'post-format-status' ) ) { 1730 $title = _x( 'Statuses', 'post format archive title' ); 1731 } elseif ( is_tax( 'post_format', 'post-format-audio' ) ) { 1732 $title = _x( 'Audio', 'post format archive title' ); 1733 } elseif ( is_tax( 'post_format', 'post-format-chat' ) ) { 1734 $title = _x( 'Chats', 'post format archive title' ); 1735 } 1736 } elseif ( is_post_type_archive() ) { 1737 $title = post_type_archive_title( '', false ); 1738 $prefix = _x( 'Archives:', 'post type archive title prefix' ); 1739 } elseif ( is_tax() ) { 1740 $queried_object = get_queried_object(); 1741 if ( $queried_object ) { 1742 $tax = get_taxonomy( $queried_object->taxonomy ); 1743 $title = single_term_title( '', false ); 1744 $prefix = sprintf( 1745 /* translators: %s: Taxonomy singular name. */ 1746 _x( '%s:', 'taxonomy term archive title prefix' ), 1747 $tax->labels->singular_name 1748 ); 1749 } 1750 } 1751 1752 $original_title = $title; 1753 1754 /** 1755 * Filters the archive title prefix. 1756 * 1757 * @since 5.5.0 1758 * 1759 * @param string $prefix Archive title prefix. 1760 */ 1761 $prefix = apply_filters( 'get_the_archive_title_prefix', $prefix ); 1762 if ( $prefix ) { 1763 $title = sprintf( 1764 /* translators: 1: Title prefix. 2: Title. */ 1765 _x( '%1$s %2$s', 'archive title' ), 1766 $prefix, 1767 '<span>' . $title . '</span>' 1768 ); 1769 } 1770 1771 /** 1772 * Filters the archive title. 1773 * 1774 * @since 4.1.0 1775 * @since 5.5.0 Added the `$prefix` and `$original_title` parameters. 1776 * 1777 * @param string $title Archive title to be displayed. 1778 * @param string $original_title Archive title without prefix. 1779 * @param string $prefix Archive title prefix. 1780 */ 1781 return apply_filters( 'get_the_archive_title', $title, $original_title, $prefix ); 1782 } 1783 1784 /** 1785 * Display category, tag, term, or author description. 1786 * 1787 * @since 4.1.0 1788 * 1789 * @see get_the_archive_description() 1790 * 1791 * @param string $before Optional. Content to prepend to the description. Default empty. 1792 * @param string $after Optional. Content to append to the description. Default empty. 1793 */ 1794 function the_archive_description( $before = '', $after = '' ) { 1795 $description = get_the_archive_description(); 1796 if ( $description ) { 1797 echo $before . $description . $after; 1798 } 1799 } 1800 1801 /** 1802 * Retrieves the description for an author, post type, or term archive. 1803 * 1804 * @since 4.1.0 1805 * @since 4.7.0 Added support for author archives. 1806 * @since 4.9.0 Added support for post type archives. 1807 * 1808 * @see term_description() 1809 * 1810 * @return string Archive description. 1811 */ 1812 function get_the_archive_description() { 1813 if ( is_author() ) { 1814 $description = get_the_author_meta( 'description' ); 1815 } elseif ( is_post_type_archive() ) { 1816 $description = get_the_post_type_description(); 1817 } else { 1818 $description = term_description(); 1819 } 1820 1821 /** 1822 * Filters the archive description. 1823 * 1824 * @since 4.1.0 1825 * 1826 * @param string $description Archive description to be displayed. 1827 */ 1828 return apply_filters( 'get_the_archive_description', $description ); 1829 } 1830 1831 /** 1832 * Retrieves the description for a post type archive. 1833 * 1834 * @since 4.9.0 1835 * 1836 * @return string The post type description. 1837 */ 1838 function get_the_post_type_description() { 1839 $post_type = get_query_var( 'post_type' ); 1840 1841 if ( is_array( $post_type ) ) { 1842 $post_type = reset( $post_type ); 1843 } 1844 1845 $post_type_obj = get_post_type_object( $post_type ); 1846 1847 // Check if a description is set. 1848 if ( isset( $post_type_obj->description ) ) { 1849 $description = $post_type_obj->description; 1850 } else { 1851 $description = ''; 1852 } 1853 1854 /** 1855 * Filters the description for a post type archive. 1856 * 1857 * @since 4.9.0 1858 * 1859 * @param string $description The post type description. 1860 * @param WP_Post_Type $post_type_obj The post type object. 1861 */ 1862 return apply_filters( 'get_the_post_type_description', $description, $post_type_obj ); 1863 } 1864 1865 /** 1866 * Retrieve archive link content based on predefined or custom code. 1867 * 1868 * The format can be one of four styles. The 'link' for head element, 'option' 1869 * for use in the select element, 'html' for use in list (either ol or ul HTML 1870 * elements). Custom content is also supported using the before and after 1871 * parameters. 1872 * 1873 * The 'link' format uses the `<link>` HTML element with the **archives** 1874 * relationship. The before and after parameters are not used. The text 1875 * parameter is used to describe the link. 1876 * 1877 * The 'option' format uses the option HTML element for use in select element. 1878 * The value is the url parameter and the before and after parameters are used 1879 * between the text description. 1880 * 1881 * The 'html' format, which is the default, uses the li HTML element for use in 1882 * the list HTML elements. The before parameter is before the link and the after 1883 * parameter is after the closing link. 1884 * 1885 * The custom format uses the before parameter before the link ('a' HTML 1886 * element) and the after parameter after the closing link tag. If the above 1887 * three values for the format are not used, then custom format is assumed. 1888 * 1889 * @since 1.0.0 1890 * @since 5.2.0 Added the `$selected` parameter. 1891 * 1892 * @param string $url URL to archive. 1893 * @param string $text Archive text description. 1894 * @param string $format Optional. Can be 'link', 'option', 'html', or custom. Default 'html'. 1895 * @param string $before Optional. Content to prepend to the description. Default empty. 1896 * @param string $after Optional. Content to append to the description. Default empty. 1897 * @param bool $selected Optional. Set to true if the current page is the selected archive page. 1898 * @return string HTML link content for archive. 1899 */ 1900 function get_archives_link( $url, $text, $format = 'html', $before = '', $after = '', $selected = false ) { 1901 $text = wptexturize( $text ); 1902 $url = esc_url( $url ); 1903 $aria_current = $selected ? ' aria-current="page"' : ''; 1904 1905 if ( 'link' === $format ) { 1906 $link_html = "\t<link rel='archives' title='" . esc_attr( $text ) . "' href='$url' />\n"; 1907 } elseif ( 'option' === $format ) { 1908 $selected_attr = $selected ? " selected='selected'" : ''; 1909 $link_html = "\t<option value='$url'$selected_attr>$before $text $after</option>\n"; 1910 } elseif ( 'html' === $format ) { 1911 $link_html = "\t<li>$before<a href='$url'$aria_current>$text</a>$after</li>\n"; 1912 } else { // Custom. 1913 $link_html = "\t$before<a href='$url'$aria_current>$text</a>$after\n"; 1914 } 1915 1916 /** 1917 * Filters the archive link content. 1918 * 1919 * @since 2.6.0 1920 * @since 4.5.0 Added the `$url`, `$text`, `$format`, `$before`, and `$after` parameters. 1921 * @since 5.2.0 Added the `$selected` parameter. 1922 * 1923 * @param string $link_html The archive HTML link content. 1924 * @param string $url URL to archive. 1925 * @param string $text Archive text description. 1926 * @param string $format Link format. Can be 'link', 'option', 'html', or custom. 1927 * @param string $before Content to prepend to the description. 1928 * @param string $after Content to append to the description. 1929 * @param bool $selected True if the current page is the selected archive. 1930 */ 1931 return apply_filters( 'get_archives_link', $link_html, $url, $text, $format, $before, $after, $selected ); 1932 } 1933 1934 /** 1935 * Display archive links based on type and format. 1936 * 1937 * @since 1.2.0 1938 * @since 4.4.0 The `$post_type` argument was added. 1939 * @since 5.2.0 The `$year`, `$monthnum`, `$day`, and `$w` arguments were added. 1940 * 1941 * @see get_archives_link() 1942 * 1943 * @global wpdb $wpdb WordPress database abstraction object. 1944 * @global WP_Locale $wp_locale WordPress date and time locale object. 1945 * 1946 * @param string|array $args { 1947 * Default archive links arguments. Optional. 1948 * 1949 * @type string $type Type of archive to retrieve. Accepts 'daily', 'weekly', 'monthly', 1950 * 'yearly', 'postbypost', or 'alpha'. Both 'postbypost' and 'alpha' 1951 * display the same archive link list as well as post titles instead 1952 * of displaying dates. The difference between the two is that 'alpha' 1953 * will order by post title and 'postbypost' will order by post date. 1954 * Default 'monthly'. 1955 * @type string|int $limit Number of links to limit the query to. Default empty (no limit). 1956 * @type string $format Format each link should take using the $before and $after args. 1957 * Accepts 'link' (`<link>` tag), 'option' (`<option>` tag), 'html' 1958 * (`<li>` tag), or a custom format, which generates a link anchor 1959 * with $before preceding and $after succeeding. Default 'html'. 1960 * @type string $before Markup to prepend to the beginning of each link. Default empty. 1961 * @type string $after Markup to append to the end of each link. Default empty. 1962 * @type bool $show_post_count Whether to display the post count alongside the link. Default false. 1963 * @type bool|int $echo Whether to echo or return the links list. Default 1|true to echo. 1964 * @type string $order Whether to use ascending or descending order. Accepts 'ASC', or 'DESC'. 1965 * Default 'DESC'. 1966 * @type string $post_type Post type. Default 'post'. 1967 * @type string $year Year. Default current year. 1968 * @type string $monthnum Month number. Default current month number. 1969 * @type string $day Day. Default current day. 1970 * @type string $w Week. Default current week. 1971 * } 1972 * @return void|string Void if 'echo' argument is true, archive links if 'echo' is false. 1973 */ 1974 function wp_get_archives( $args = '' ) { 1975 global $wpdb, $wp_locale; 1976 1977 $defaults = array( 1978 'type' => 'monthly', 1979 'limit' => '', 1980 'format' => 'html', 1981 'before' => '', 1982 'after' => '', 1983 'show_post_count' => false, 1984 'echo' => 1, 1985 'order' => 'DESC', 1986 'post_type' => 'post', 1987 'year' => get_query_var( 'year' ), 1988 'monthnum' => get_query_var( 'monthnum' ), 1989 'day' => get_query_var( 'day' ), 1990 'w' => get_query_var( 'w' ), 1991 ); 1992 1993 $parsed_args = wp_parse_args( $args, $defaults ); 1994 1995 $post_type_object = get_post_type_object( $parsed_args['post_type'] ); 1996 if ( ! is_post_type_viewable( $post_type_object ) ) { 1997 return; 1998 } 1999 2000 $parsed_args['post_type'] = $post_type_object->name; 2001 2002 if ( '' === $parsed_args['type'] ) { 2003 $parsed_args['type'] = 'monthly'; 2004 } 2005 2006 if ( ! empty( $parsed_args['limit'] ) ) { 2007 $parsed_args['limit'] = absint( $parsed_args['limit'] ); 2008 $parsed_args['limit'] = ' LIMIT ' . $parsed_args['limit']; 2009 } 2010 2011 $order = strtoupper( $parsed_args['order'] ); 2012 if ( 'ASC' !== $order ) { 2013 $order = 'DESC'; 2014 } 2015 2016 // This is what will separate dates on weekly archive links. 2017 $archive_week_separator = '–'; 2018 2019 $sql_where = $wpdb->prepare( "WHERE post_type = %s AND post_status = 'publish'", $parsed_args['post_type'] ); 2020 2021 /** 2022 * Filters the SQL WHERE clause for retrieving archives. 2023 * 2024 * @since 2.2.0 2025 * 2026 * @param string $sql_where Portion of SQL query containing the WHERE clause. 2027 * @param array $parsed_args An array of default arguments. 2028 */ 2029 $where = apply_filters( 'getarchives_where', $sql_where, $parsed_args ); 2030 2031 /** 2032 * Filters the SQL JOIN clause for retrieving archives. 2033 * 2034 * @since 2.2.0 2035 * 2036 * @param string $sql_join Portion of SQL query containing JOIN clause. 2037 * @param array $parsed_args An array of default arguments. 2038 */ 2039 $join = apply_filters( 'getarchives_join', '', $parsed_args ); 2040 2041 $output = ''; 2042 2043 $last_changed = wp_cache_get_last_changed( 'posts' ); 2044 2045 $limit = $parsed_args['limit']; 2046 2047 if ( 'monthly' === $parsed_args['type'] ) { 2048 $query = "SELECT YEAR(post_date) AS `year`, MONTH(post_date) AS `month`, count(ID) as posts FROM $wpdb->posts $join $where GROUP BY YEAR(post_date), MONTH(post_date) ORDER BY post_date $order $limit"; 2049 $key = md5( $query ); 2050 $key = "wp_get_archives:$key:$last_changed"; 2051 $results = wp_cache_get( $key, 'posts' ); 2052 if ( ! $results ) { 2053 $results = $wpdb->get_results( $query ); 2054 wp_cache_set( $key, $results, 'posts' ); 2055 } 2056 if ( $results ) { 2057 $after = $parsed_args['after']; 2058 foreach ( (array) $results as $result ) { 2059 $url = get_month_link( $result->year, $result->month ); 2060 if ( 'post' !== $parsed_args['post_type'] ) { 2061 $url = add_query_arg( 'post_type', $parsed_args['post_type'], $url ); 2062 } 2063 /* translators: 1: Month name, 2: 4-digit year. */ 2064 $text = sprintf( __( '%1$s %2$d' ), $wp_locale->get_month( $result->month ), $result->year ); 2065 if ( $parsed_args['show_post_count'] ) { 2066 $parsed_args['after'] = ' (' . $result->posts . ')' . $after; 2067 } 2068 $selected = is_archive() && (string) $parsed_args['year'] === $result->year && (string) $parsed_args['monthnum'] === $result->month; 2069 $output .= get_archives_link( $url, $text, $parsed_args['format'], $parsed_args['before'], $parsed_args['after'], $selected ); 2070 } 2071 } 2072 } elseif ( 'yearly' === $parsed_args['type'] ) { 2073 $query = "SELECT YEAR(post_date) AS `year`, count(ID) as posts FROM $wpdb->posts $join $where GROUP BY YEAR(post_date) ORDER BY post_date $order $limit"; 2074 $key = md5( $query ); 2075 $key = "wp_get_archives:$key:$last_changed"; 2076 $results = wp_cache_get( $key, 'posts' ); 2077 if ( ! $results ) { 2078 $results = $wpdb->get_results( $query ); 2079 wp_cache_set( $key, $results, 'posts' ); 2080 } 2081 if ( $results ) { 2082 $after = $parsed_args['after']; 2083 foreach ( (array) $results as $result ) { 2084 $url = get_year_link( $result->year ); 2085 if ( 'post' !== $parsed_args['post_type'] ) { 2086 $url = add_query_arg( 'post_type', $parsed_args['post_type'], $url ); 2087 } 2088 $text = sprintf( '%d', $result->year ); 2089 if ( $parsed_args['show_post_count'] ) { 2090 $parsed_args['after'] = ' (' . $result->posts . ')' . $after; 2091 } 2092 $selected = is_archive() && (string) $parsed_args['year'] === $result->year; 2093 $output .= get_archives_link( $url, $text, $parsed_args['format'], $parsed_args['before'], $parsed_args['after'], $selected ); 2094 } 2095 } 2096 } elseif ( 'daily' === $parsed_args['type'] ) { 2097 $query = "SELECT YEAR(post_date) AS `year`, MONTH(post_date) AS `month`, DAYOFMONTH(post_date) AS `dayofmonth`, count(ID) as posts FROM $wpdb->posts $join $where GROUP BY YEAR(post_date), MONTH(post_date), DAYOFMONTH(post_date) ORDER BY post_date $order $limit"; 2098 $key = md5( $query ); 2099 $key = "wp_get_archives:$key:$last_changed"; 2100 $results = wp_cache_get( $key, 'posts' ); 2101 if ( ! $results ) { 2102 $results = $wpdb->get_results( $query ); 2103 wp_cache_set( $key, $results, 'posts' ); 2104 } 2105 if ( $results ) { 2106 $after = $parsed_args['after']; 2107 foreach ( (array) $results as $result ) { 2108 $url = get_day_link( $result->year, $result->month, $result->dayofmonth ); 2109 if ( 'post' !== $parsed_args['post_type'] ) { 2110 $url = add_query_arg( 'post_type', $parsed_args['post_type'], $url ); 2111 } 2112 $date = sprintf( '%1$d-%2$02d-%3$02d 00:00:00', $result->year, $result->month, $result->dayofmonth ); 2113 $text = mysql2date( get_option( 'date_format' ), $date ); 2114 if ( $parsed_args['show_post_count'] ) { 2115 $parsed_args['after'] = ' (' . $result->posts . ')' . $after; 2116 } 2117 $selected = is_archive() && (string) $parsed_args['year'] === $result->year && (string) $parsed_args['monthnum'] === $result->month && (string) $parsed_args['day'] === $result->dayofmonth; 2118 $output .= get_archives_link( $url, $text, $parsed_args['format'], $parsed_args['before'], $parsed_args['after'], $selected ); 2119 } 2120 } 2121 } elseif ( 'weekly' === $parsed_args['type'] ) { 2122 $week = _wp_mysql_week( '`post_date`' ); 2123 $query = "SELECT DISTINCT $week AS `week`, YEAR( `post_date` ) AS `yr`, DATE_FORMAT( `post_date`, '%Y-%m-%d' ) AS `yyyymmdd`, count( `ID` ) AS `posts` FROM `$wpdb->posts` $join $where GROUP BY $week, YEAR( `post_date` ) ORDER BY `post_date` $order $limit"; 2124 $key = md5( $query ); 2125 $key = "wp_get_archives:$key:$last_changed"; 2126 $results = wp_cache_get( $key, 'posts' ); 2127 if ( ! $results ) { 2128 $results = $wpdb->get_results( $query ); 2129 wp_cache_set( $key, $results, 'posts' ); 2130 } 2131 $arc_w_last = ''; 2132 if ( $results ) { 2133 $after = $parsed_args['after']; 2134 foreach ( (array) $results as $result ) { 2135 if ( $result->week != $arc_w_last ) { 2136 $arc_year = $result->yr; 2137 $arc_w_last = $result->week; 2138 $arc_week = get_weekstartend( $result->yyyymmdd, get_option( 'start_of_week' ) ); 2139 $arc_week_start = date_i18n( get_option( 'date_format' ), $arc_week['start'] ); 2140 $arc_week_end = date_i18n( get_option( 'date_format' ), $arc_week['end'] ); 2141 $url = add_query_arg( 2142 array( 2143 'm' => $arc_year, 2144 'w' => $result->week, 2145 ), 2146 home_url( '/' ) 2147 ); 2148 if ( 'post' !== $parsed_args['post_type'] ) { 2149 $url = add_query_arg( 'post_type', $parsed_args['post_type'], $url ); 2150 } 2151 $text = $arc_week_start . $archive_week_separator . $arc_week_end; 2152 if ( $parsed_args['show_post_count'] ) { 2153 $parsed_args['after'] = ' (' . $result->posts . ')' . $after; 2154 } 2155 $selected = is_archive() && (string) $parsed_args['year'] === $result->yr && (string) $parsed_args['w'] === $result->week; 2156 $output .= get_archives_link( $url, $text, $parsed_args['format'], $parsed_args['before'], $parsed_args['after'], $selected ); 2157 } 2158 } 2159 } 2160 } elseif ( ( 'postbypost' === $parsed_args['type'] ) || ( 'alpha' === $parsed_args['type'] ) ) { 2161 $orderby = ( 'alpha' === $parsed_args['type'] ) ? 'post_title ASC ' : 'post_date DESC, ID DESC '; 2162 $query = "SELECT * FROM $wpdb->posts $join $where ORDER BY $orderby $limit"; 2163 $key = md5( $query ); 2164 $key = "wp_get_archives:$key:$last_changed"; 2165 $results = wp_cache_get( $key, 'posts' ); 2166 if ( ! $results ) { 2167 $results = $wpdb->get_results( $query ); 2168 wp_cache_set( $key, $results, 'posts' ); 2169 } 2170 if ( $results ) { 2171 foreach ( (array) $results as $result ) { 2172 if ( '0000-00-00 00:00:00' !== $result->post_date ) { 2173 $url = get_permalink( $result ); 2174 if ( $result->post_title ) { 2175 /** This filter is documented in wp-includes/post-template.php */ 2176 $text = strip_tags( apply_filters( 'the_title', $result->post_title, $result->ID ) ); 2177 } else { 2178 $text = $result->ID; 2179 } 2180 $selected = get_the_ID() === $result->ID; 2181 $output .= get_archives_link( $url, $text, $parsed_args['format'], $parsed_args['before'], $parsed_args['after'], $selected ); 2182 } 2183 } 2184 } 2185 } 2186 2187 if ( $parsed_args['echo'] ) { 2188 echo $output; 2189 } else { 2190 return $output; 2191 } 2192 } 2193 2194 /** 2195 * Get number of days since the start of the week. 2196 * 2197 * @since 1.5.0 2198 * 2199 * @param int $num Number of day. 2200 * @return float Days since the start of the week. 2201 */ 2202 function calendar_week_mod( $num ) { 2203 $base = 7; 2204 return ( $num - $base * floor( $num / $base ) ); 2205 } 2206 2207 /** 2208 * Display calendar with days that have posts as links. 2209 * 2210 * The calendar is cached, which will be retrieved, if it exists. If there are 2211 * no posts for the month, then it will not be displayed. 2212 * 2213 * @since 1.0.0 2214 * 2215 * @global wpdb $wpdb WordPress database abstraction object. 2216 * @global int $m 2217 * @global int $monthnum 2218 * @global int $year 2219 * @global WP_Locale $wp_locale WordPress date and time locale object. 2220 * @global array $posts 2221 * 2222 * @param bool $initial Optional. Whether to use initial calendar names. Default true. 2223 * @param bool $echo Optional. Whether to display the calendar output. Default true. 2224 * @return void|string Void if `$echo` argument is true, calendar HTML if `$echo` is false. 2225 */ 2226 function get_calendar( $initial = true, $echo = true ) { 2227 global $wpdb, $m, $monthnum, $year, $wp_locale, $posts; 2228 2229 $key = md5( $m . $monthnum . $year ); 2230 $cache = wp_cache_get( 'get_calendar', 'calendar' ); 2231 2232 if ( $cache && is_array( $cache ) && isset( $cache[ $key ] ) ) { 2233 /** This filter is documented in wp-includes/general-template.php */ 2234 $output = apply_filters( 'get_calendar', $cache[ $key ] ); 2235 2236 if ( $echo ) { 2237 echo $output; 2238 return; 2239 } 2240 2241 return $output; 2242 } 2243 2244 if ( ! is_array( $cache ) ) { 2245 $cache = array(); 2246 } 2247 2248 // Quick check. If we have no posts at all, abort! 2249 if ( ! $posts ) { 2250 $gotsome = $wpdb->get_var( "SELECT 1 as test FROM $wpdb->posts WHERE post_type = 'post' AND post_status = 'publish' LIMIT 1" ); 2251 if ( ! $gotsome ) { 2252 $cache[ $key ] = ''; 2253 wp_cache_set( 'get_calendar', $cache, 'calendar' ); 2254 return; 2255 } 2256 } 2257 2258 if ( isset( $_GET['w'] ) ) { 2259 $w = (int) $_GET['w']; 2260 } 2261 // week_begins = 0 stands for Sunday. 2262 $week_begins = (int) get_option( 'start_of_week' ); 2263 2264 // Let's figure out when we are. 2265 if ( ! empty( $monthnum ) && ! empty( $year ) ) { 2266 $thismonth = zeroise( (int) $monthnum, 2 ); 2267 $thisyear = (int) $year; 2268 } elseif ( ! empty( $w ) ) { 2269 // We need to get the month from MySQL. 2270 $thisyear = (int) substr( $m, 0, 4 ); 2271 // It seems MySQL's weeks disagree with PHP's. 2272 $d = ( ( $w - 1 ) * 7 ) + 6; 2273 $thismonth = $wpdb->get_var( "SELECT DATE_FORMAT((DATE_ADD('{$thisyear}0101', INTERVAL $d DAY) ), '%m')" ); 2274 } elseif ( ! empty( $m ) ) { 2275 $thisyear = (int) substr( $m, 0, 4 ); 2276 if ( strlen( $m ) < 6 ) { 2277 $thismonth = '01'; 2278 } else { 2279 $thismonth = zeroise( (int) substr( $m, 4, 2 ), 2 ); 2280 } 2281 } else { 2282 $thisyear = current_time( 'Y' ); 2283 $thismonth = current_time( 'm' ); 2284 } 2285 2286 $unixmonth = mktime( 0, 0, 0, $thismonth, 1, $thisyear ); 2287 $last_day = gmdate( 't', $unixmonth ); 2288 2289 // Get the next and previous month and year with at least one post. 2290 $previous = $wpdb->get_row( 2291 "SELECT MONTH(post_date) AS month, YEAR(post_date) AS year 2292 FROM $wpdb->posts 2293 WHERE post_date < '$thisyear-$thismonth-01' 2294 AND post_type = 'post' AND post_status = 'publish' 2295 ORDER BY post_date DESC 2296 LIMIT 1" 2297 ); 2298 $next = $wpdb->get_row( 2299 "SELECT MONTH(post_date) AS month, YEAR(post_date) AS year 2300 FROM $wpdb->posts 2301 WHERE post_date > '$thisyear-$thismonth-{$last_day} 23:59:59' 2302 AND post_type = 'post' AND post_status = 'publish' 2303 ORDER BY post_date ASC 2304 LIMIT 1" 2305 ); 2306 2307 /* translators: Calendar caption: 1: Month name, 2: 4-digit year. */ 2308 $calendar_caption = _x( '%1$s %2$s', 'calendar caption' ); 2309 $calendar_output = '<table id="wp-calendar" class="wp-calendar-table"> 2310 <caption>' . sprintf( 2311 $calendar_caption, 2312 $wp_locale->get_month( $thismonth ), 2313 gmdate( 'Y', $unixmonth ) 2314 ) . '</caption> 2315 <thead> 2316 <tr>'; 2317 2318 $myweek = array(); 2319 2320 for ( $wdcount = 0; $wdcount <= 6; $wdcount++ ) { 2321 $myweek[] = $wp_locale->get_weekday( ( $wdcount + $week_begins ) % 7 ); 2322 } 2323 2324 foreach ( $myweek as $wd ) { 2325 $day_name = $initial ? $wp_locale->get_weekday_initial( $wd ) : $wp_locale->get_weekday_abbrev( $wd ); 2326 $wd = esc_attr( $wd ); 2327 $calendar_output .= "\n\t\t<th scope=\"col\" title=\"$wd\">$day_name</th>"; 2328 } 2329 2330 $calendar_output .= ' 2331 </tr> 2332 </thead> 2333 <tbody> 2334 <tr>'; 2335 2336 $daywithpost = array(); 2337 2338 // Get days with posts. 2339 $dayswithposts = $wpdb->get_results( 2340 "SELECT DISTINCT DAYOFMONTH(post_date) 2341 FROM $wpdb->posts WHERE post_date >= '{$thisyear}-{$thismonth}-01 00:00:00' 2342 AND post_type = 'post' AND post_status = 'publish' 2343 AND post_date <= '{$thisyear}-{$thismonth}-{$last_day} 23:59:59'", 2344 ARRAY_N 2345 ); 2346 2347 if ( $dayswithposts ) { 2348 foreach ( (array) $dayswithposts as $daywith ) { 2349 $daywithpost[] = (int) $daywith[0]; 2350 } 2351 } 2352 2353 // See how much we should pad in the beginning. 2354 $pad = calendar_week_mod( gmdate( 'w', $unixmonth ) - $week_begins ); 2355 if ( 0 != $pad ) { 2356 $calendar_output .= "\n\t\t" . '<td colspan="' . esc_attr( $pad ) . '" class="pad"> </td>'; 2357 } 2358 2359 $newrow = false; 2360 $daysinmonth = (int) gmdate( 't', $unixmonth ); 2361 2362 for ( $day = 1; $day <= $daysinmonth; ++$day ) { 2363 if ( isset( $newrow ) && $newrow ) { 2364 $calendar_output .= "\n\t</tr>\n\t<tr>\n\t\t"; 2365 } 2366 $newrow = false; 2367 2368 if ( current_time( 'j' ) == $day && 2369 current_time( 'm' ) == $thismonth && 2370 current_time( 'Y' ) == $thisyear ) { 2371 $calendar_output .= '<td id="today">'; 2372 } else { 2373 $calendar_output .= '<td>'; 2374 } 2375 2376 if ( in_array( $day, $daywithpost, true ) ) { 2377 // Any posts today? 2378 $date_format = gmdate( _x( 'F j, Y', 'daily archives date format' ), strtotime( "{$thisyear}-{$thismonth}-{$day}" ) ); 2379 /* translators: Post calendar label. %s: Date. */ 2380 $label = sprintf( __( 'Posts published on %s' ), $date_format ); 2381 $calendar_output .= sprintf( 2382 '<a href="%s" aria-label="%s">%s</a>', 2383 get_day_link( $thisyear, $thismonth, $day ), 2384 esc_attr( $label ), 2385 $day 2386 ); 2387 } else { 2388 $calendar_output .= $day; 2389 } 2390 2391 $calendar_output .= '</td>'; 2392 2393 if ( 6 == calendar_week_mod( gmdate( 'w', mktime( 0, 0, 0, $thismonth, $day, $thisyear ) ) - $week_begins ) ) { 2394 $newrow = true; 2395 } 2396 } 2397 2398 $pad = 7 - calendar_week_mod( gmdate( 'w', mktime( 0, 0, 0, $thismonth, $day, $thisyear ) ) - $week_begins ); 2399 if ( 0 != $pad && 7 != $pad ) { 2400 $calendar_output .= "\n\t\t" . '<td class="pad" colspan="' . esc_attr( $pad ) . '"> </td>'; 2401 } 2402 2403 $calendar_output .= "\n\t</tr>\n\t</tbody>"; 2404 2405 $calendar_output .= "\n\t</table>"; 2406 2407 $calendar_output .= '<nav aria-label="' . __( 'Previous and next months' ) . '" class="wp-calendar-nav">'; 2408 2409 if ( $previous ) { 2410 $calendar_output .= "\n\t\t" . '<span class="wp-calendar-nav-prev"><a href="' . get_month_link( $previous->year, $previous->month ) . '">« ' . 2411 $wp_locale->get_month_abbrev( $wp_locale->get_month( $previous->month ) ) . 2412 '</a></span>'; 2413 } else { 2414 $calendar_output .= "\n\t\t" . '<span class="wp-calendar-nav-prev"> </span>'; 2415 } 2416 2417 $calendar_output .= "\n\t\t" . '<span class="pad"> </span>'; 2418 2419 if ( $next ) { 2420 $calendar_output .= "\n\t\t" . '<span class="wp-calendar-nav-next"><a href="' . get_month_link( $next->year, $next->month ) . '">' . 2421 $wp_locale->get_month_abbrev( $wp_locale->get_month( $next->month ) ) . 2422 ' »</a></span>'; 2423 } else { 2424 $calendar_output .= "\n\t\t" . '<span class="wp-calendar-nav-next"> </span>'; 2425 } 2426 2427 $calendar_output .= ' 2428 </nav>'; 2429 2430 $cache[ $key ] = $calendar_output; 2431 wp_cache_set( 'get_calendar', $cache, 'calendar' ); 2432 2433 if ( $echo ) { 2434 /** 2435 * Filters the HTML calendar output. 2436 * 2437 * @since 3.0.0 2438 * 2439 * @param string $calendar_output HTML output of the calendar. 2440 */ 2441 echo apply_filters( 'get_calendar', $calendar_output ); 2442 return; 2443 } 2444 /** This filter is documented in wp-includes/general-template.php */ 2445 return apply_filters( 'get_calendar', $calendar_output ); 2446 } 2447 2448 /** 2449 * Purge the cached results of get_calendar. 2450 * 2451 * @see get_calendar() 2452 * @since 2.1.0 2453 */ 2454 function delete_get_calendar_cache() { 2455 wp_cache_delete( 'get_calendar', 'calendar' ); 2456 } 2457 2458 /** 2459 * Display all of the allowed tags in HTML format with attributes. 2460 * 2461 * This is useful for displaying in the comment area, which elements and 2462 * attributes are supported. As well as any plugins which want to display it. 2463 * 2464 * @since 1.0.1 2465 * 2466 * @global array $allowedtags 2467 * 2468 * @return string HTML allowed tags entity encoded. 2469 */ 2470 function allowed_tags() { 2471 global $allowedtags; 2472 $allowed = ''; 2473 foreach ( (array) $allowedtags as $tag => $attributes ) { 2474 $allowed .= '<' . $tag; 2475 if ( 0 < count( $attributes ) ) { 2476 foreach ( $attributes as $attribute => $limits ) { 2477 $allowed .= ' ' . $attribute . '=""'; 2478 } 2479 } 2480 $allowed .= '> '; 2481 } 2482 return htmlentities( $allowed ); 2483 } 2484 2485 /***** Date/Time tags */ 2486 2487 /** 2488 * Outputs the date in iso8601 format for xml files. 2489 * 2490 * @since 1.0.0 2491 */ 2492 function the_date_xml() { 2493 echo mysql2date( 'Y-m-d', get_post()->post_date, false ); 2494 } 2495 2496 /** 2497 * Display or Retrieve the date the current post was written (once per date) 2498 * 2499 * Will only output the date if the current post's date is different from the 2500 * previous one output. 2501 * 2502 * i.e. Only one date listing will show per day worth of posts shown in the loop, even if the 2503 * function is called several times for each post. 2504 * 2505 * HTML output can be filtered with 'the_date'. 2506 * Date string output can be filtered with 'get_the_date'. 2507 * 2508 * @since 0.71 2509 * 2510 * @global string $currentday The day of the current post in the loop. 2511 * @global string $previousday The day of the previous post in the loop. 2512 * 2513 * @param string $format Optional. PHP date format. Defaults to the 'date_format' option. 2514 * @param string $before Optional. Output before the date. Default empty. 2515 * @param string $after Optional. Output after the date. Default empty. 2516 * @param bool $echo Optional. Whether to echo the date or return it. Default true. 2517 * @return string|void String if retrieving. 2518 */ 2519 function the_date( $format = '', $before = '', $after = '', $echo = true ) { 2520 global $currentday, $previousday; 2521 2522 $the_date = ''; 2523 2524 if ( is_new_day() ) { 2525 $the_date = $before . get_the_date( $format ) . $after; 2526 $previousday = $currentday; 2527 } 2528 2529 /** 2530 * Filters the date a post was published for display. 2531 * 2532 * @since 0.71 2533 * 2534 * @param string $the_date The formatted date string. 2535 * @param string $format PHP date format. 2536 * @param string $before HTML output before the date. 2537 * @param string $after HTML output after the date. 2538 */ 2539 $the_date = apply_filters( 'the_date', $the_date, $format, $before, $after ); 2540 2541 if ( $echo ) { 2542 echo $the_date; 2543 } else { 2544 return $the_date; 2545 } 2546 } 2547 2548 /** 2549 * Retrieve the date on which the post was written. 2550 * 2551 * Unlike the_date() this function will always return the date. 2552 * Modify output with the {@see 'get_the_date'} filter. 2553 * 2554 * @since 3.0.0 2555 * 2556 * @param string $format Optional. PHP date format. Defaults to the 'date_format' option. 2557 * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default current post. 2558 * @return string|int|false Date the current post was written. False on failure. 2559 */ 2560 function get_the_date( $format = '', $post = null ) { 2561 $post = get_post( $post ); 2562 2563 if ( ! $post ) { 2564 return false; 2565 } 2566 2567 $_format = ! empty( $format ) ? $format : get_option( 'date_format' ); 2568 2569 $the_date = get_post_time( $_format, false, $post, true ); 2570 2571 /** 2572 * Filters the date a post was published. 2573 * 2574 * @since 3.0.0 2575 * 2576 * @param string|int $the_date Formatted date string or Unix timestamp if `$format` is 'U' or 'G'. 2577 * @param string $format PHP date format. 2578 * @param WP_Post $post The post object. 2579 */ 2580 return apply_filters( 'get_the_date', $the_date, $format, $post ); 2581 } 2582 2583 /** 2584 * Display the date on which the post was last modified. 2585 * 2586 * @since 2.1.0 2587 * 2588 * @param string $format Optional. PHP date format. Defaults to the 'date_format' option. 2589 * @param string $before Optional. Output before the date. Default empty. 2590 * @param string $after Optional. Output after the date. Default empty. 2591 * @param bool $echo Optional. Whether to echo the date or return it. Default true. 2592 * @return string|void String if retrieving. 2593 */ 2594 function the_modified_date( $format = '', $before = '', $after = '', $echo = true ) { 2595 $the_modified_date = $before . get_the_modified_date( $format ) . $after; 2596 2597 /** 2598 * Filters the date a post was last modified for display. 2599 * 2600 * @since 2.1.0 2601 * 2602 * @param string|false $the_modified_date The last modified date or false if no post is found. 2603 * @param string $format PHP date format. 2604 * @param string $before HTML output before the date. 2605 * @param string $after HTML output after the date. 2606 */ 2607 $the_modified_date = apply_filters( 'the_modified_date', $the_modified_date, $format, $before, $after ); 2608 2609 if ( $echo ) { 2610 echo $the_modified_date; 2611 } else { 2612 return $the_modified_date; 2613 } 2614 2615 } 2616 2617 /** 2618 * Retrieve the date on which the post was last modified. 2619 * 2620 * @since 2.1.0 2621 * @since 4.6.0 Added the `$post` parameter. 2622 * 2623 * @param string $format Optional. PHP date format. Defaults to the 'date_format' option. 2624 * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default current post. 2625 * @return string|int|false Date the current post was modified. False on failure. 2626 */ 2627 function get_the_modified_date( $format = '', $post = null ) { 2628 $post = get_post( $post ); 2629 2630 if ( ! $post ) { 2631 // For backward compatibility, failures go through the filter below. 2632 $the_time = false; 2633 } else { 2634 $_format = ! empty( $format ) ? $format : get_option( 'date_format' ); 2635 2636 $the_time = get_post_modified_time( $_format, false, $post, true ); 2637 } 2638 2639 /** 2640 * Filters the date a post was last modified. 2641 * 2642 * @since 2.1.0 2643 * @since 4.6.0 Added the `$post` parameter. 2644 * 2645 * @param string|int|false $the_time The formatted date or false if no post is found. 2646 * @param string $format PHP date format. 2647 * @param WP_Post|null $post WP_Post object or null if no post is found. 2648 */ 2649 return apply_filters( 'get_the_modified_date', $the_time, $format, $post ); 2650 } 2651 2652 /** 2653 * Display the time at which the post was written. 2654 * 2655 * @since 0.71 2656 * 2657 * @param string $format Optional. Format to use for retrieving the time the post 2658 * was written. Accepts 'G', 'U', or PHP date format. 2659 * Defaults to the 'time_format' option. 2660 */ 2661 function the_time( $format = '' ) { 2662 /** 2663 * Filters the time a post was written for display. 2664 * 2665 * @since 0.71 2666 * 2667 * @param string $get_the_time The formatted time. 2668 * @param string $format Format to use for retrieving the time the post 2669 * was written. Accepts 'G', 'U', or PHP date format. 2670 */ 2671 echo apply_filters( 'the_time', get_the_time( $format ), $format ); 2672 } 2673 2674 /** 2675 * Retrieve the time at which the post was written. 2676 * 2677 * @since 1.5.0 2678 * 2679 * @param string $format Optional. Format to use for retrieving the time the post 2680 * was written. Accepts 'G', 'U', or PHP date format. 2681 * Defaults to the 'time_format' option. 2682 * @param int|WP_Post $post WP_Post object or ID. Default is global `$post` object. 2683 * @return string|int|false Formatted date string or Unix timestamp if `$format` is 'U' or 'G'. 2684 * False on failure. 2685 */ 2686 function get_the_time( $format = '', $post = null ) { 2687 $post = get_post( $post ); 2688 2689 if ( ! $post ) { 2690 return false; 2691 } 2692 2693 $_format = ! empty( $format ) ? $format : get_option( 'time_format' ); 2694 2695 $the_time = get_post_time( $_format, false, $post, true ); 2696 2697 /** 2698 * Filters the time a post was written. 2699 * 2700 * @since 1.5.0 2701 * 2702 * @param string|int $the_time Formatted date string or Unix timestamp if `$format` is 'U' or 'G'. 2703 * @param string $format Format to use for retrieving the time the post 2704 * was written. Accepts 'G', 'U', or PHP date format. 2705 * @param WP_Post $post Post object. 2706 */ 2707 return apply_filters( 'get_the_time', $the_time, $format, $post ); 2708 } 2709 2710 /** 2711 * Retrieve the time at which the post was written. 2712 * 2713 * @since 2.0.0 2714 * 2715 * @param string $format Optional. Format to use for retrieving the time the post 2716 * was written. Accepts 'G', 'U', or PHP date format. Default 'U'. 2717 * @param bool $gmt Optional. Whether to retrieve the GMT time. Default false. 2718 * @param int|WP_Post $post WP_Post object or ID. Default is global `$post` object. 2719 * @param bool $translate Whether to translate the time string. Default false. 2720 * @return string|int|false Formatted date string or Unix timestamp if `$format` is 'U' or 'G'. 2721 * False on failure. 2722 */ 2723 function get_post_time( $format = 'U', $gmt = false, $post = null, $translate = false ) { 2724 $post = get_post( $post ); 2725 2726 if ( ! $post ) { 2727 return false; 2728 } 2729 2730 $source = ( $gmt ) ? 'gmt' : 'local'; 2731 $datetime = get_post_datetime( $post, 'date', $source ); 2732 2733 if ( false === $datetime ) { 2734 return false; 2735 } 2736 2737 if ( 'U' === $format || 'G' === $format ) { 2738 $time = $datetime->getTimestamp(); 2739 2740 // Returns a sum of timestamp with timezone offset. Ideally should never be used. 2741 if ( ! $gmt ) { 2742 $time += $datetime->getOffset(); 2743 } 2744 } elseif ( $translate ) { 2745 $time = wp_date( $format, $datetime->getTimestamp(), $gmt ? new DateTimeZone( 'UTC' ) : null ); 2746 } else { 2747 if ( $gmt ) { 2748 $datetime = $datetime->setTimezone( new DateTimeZone( 'UTC' ) ); 2749 } 2750 2751 $time = $datetime->format( $format ); 2752 } 2753 2754 /** 2755 * Filters the localized time a post was written. 2756 * 2757 * @since 2.6.0 2758 * 2759 * @param string|int $time Formatted date string or Unix timestamp if `$format` is 'U' or 'G'. 2760 * @param string $format Format to use for retrieving the time the post was written. 2761 * Accepts 'G', 'U', or PHP date format. 2762 * @param bool $gmt Whether to retrieve the GMT time. 2763 */ 2764 return apply_filters( 'get_post_time', $time, $format, $gmt ); 2765 } 2766 2767 /** 2768 * Retrieve post published or modified time as a `DateTimeImmutable` object instance. 2769 * 2770 * The object will be set to the timezone from WordPress settings. 2771 * 2772 * For legacy reasons, this function allows to choose to instantiate from local or UTC time in database. 2773 * Normally this should make no difference to the result. However, the values might get out of sync in database, 2774 * typically because of timezone setting changes. The parameter ensures the ability to reproduce backwards 2775 * compatible behaviors in such cases. 2776 * 2777 * @since 5.3.0 2778 * 2779 * @param int|WP_Post $post Optional. WP_Post object or ID. Default is global `$post` object. 2780 * @param string $field Optional. Published or modified time to use from database. Accepts 'date' or 'modified'. 2781 * Default 'date'. 2782 * @param string $source Optional. Local or UTC time to use from database. Accepts 'local' or 'gmt'. 2783 * Default 'local'. 2784 * @return DateTimeImmutable|false Time object on success, false on failure. 2785 */ 2786 function get_post_datetime( $post = null, $field = 'date', $source = 'local' ) { 2787 $post = get_post( $post ); 2788 2789 if ( ! $post ) { 2790 return false; 2791 } 2792 2793 $wp_timezone = wp_timezone(); 2794 2795 if ( 'gmt' === $source ) { 2796 $time = ( 'modified' === $field ) ? $post->post_modified_gmt : $post->post_date_gmt; 2797 $timezone = new DateTimeZone( 'UTC' ); 2798 } else { 2799 $time = ( 'modified' === $field ) ? $post->post_modified : $post->post_date; 2800 $timezone = $wp_timezone; 2801 } 2802 2803 if ( empty( $time ) || '0000-00-00 00:00:00' === $time ) { 2804 return false; 2805 } 2806 2807 $datetime = date_create_immutable_from_format( 'Y-m-d H:i:s', $time, $timezone ); 2808 2809 if ( false === $datetime ) { 2810 return false; 2811 } 2812 2813 return $datetime->setTimezone( $wp_timezone ); 2814 } 2815 2816 /** 2817 * Retrieve post published or modified time as a Unix timestamp. 2818 * 2819 * Note that this function returns a true Unix timestamp, not summed with timezone offset 2820 * like older WP functions. 2821 * 2822 * @since 5.3.0 2823 * 2824 * @param int|WP_Post $post Optional. WP_Post object or ID. Default is global `$post` object. 2825 * @param string $field Optional. Published or modified time to use from database. Accepts 'date' or 'modified'. 2826 * Default 'date'. 2827 * @return int|false Unix timestamp on success, false on failure. 2828 */ 2829 function get_post_timestamp( $post = null, $field = 'date' ) { 2830 $datetime = get_post_datetime( $post, $field ); 2831 2832 if ( false === $datetime ) { 2833 return false; 2834 } 2835 2836 return $datetime->getTimestamp(); 2837 } 2838 2839 /** 2840 * Display the time at which the post was last modified. 2841 * 2842 * @since 2.0.0 2843 * 2844 * @param string $format Optional. Format to use for retrieving the time the post 2845 * was modified. Accepts 'G', 'U', or PHP date format. 2846 * Defaults to the 'time_format' option. 2847 */ 2848 function the_modified_time( $format = '' ) { 2849 /** 2850 * Filters the localized time a post was last modified, for display. 2851 * 2852 * @since 2.0.0 2853 * 2854 * @param string|false $get_the_modified_time The formatted time or false if no post is found. 2855 * @param string $format Format to use for retrieving the time the post 2856 * was modified. Accepts 'G', 'U', or PHP date format. 2857 */ 2858 echo apply_filters( 'the_modified_time', get_the_modified_time( $format ), $format ); 2859 } 2860 2861 /** 2862 * Retrieve the time at which the post was last modified. 2863 * 2864 * @since 2.0.0 2865 * @since 4.6.0 Added the `$post` parameter. 2866 * 2867 * @param string $format Optional. Format to use for retrieving the time the post 2868 * was modified. Accepts 'G', 'U', or PHP date format. 2869 * Defaults to the 'time_format' option. 2870 * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default current post. 2871 * @return string|int|false Formatted date string or Unix timestamp. False on failure. 2872 */ 2873 function get_the_modified_time( $format = '', $post = null ) { 2874 $post = get_post( $post ); 2875 2876 if ( ! $post ) { 2877 // For backward compatibility, failures go through the filter below. 2878 $the_time = false; 2879 } else { 2880 $_format = ! empty( $format ) ? $format : get_option( 'time_format' ); 2881 2882 $the_time = get_post_modified_time( $_format, false, $post, true ); 2883 } 2884 2885 /** 2886 * Filters the localized time a post was last modified. 2887 * 2888 * @since 2.0.0 2889 * @since 4.6.0 Added the `$post` parameter. 2890 * 2891 * @param string|int|false $the_time The formatted time or false if no post is found. 2892 * @param string $format Format to use for retrieving the time the post 2893 * was modified. Accepts 'G', 'U', or PHP date format. 2894 * @param WP_Post|null $post WP_Post object or null if no post is found. 2895 */ 2896 return apply_filters( 'get_the_modified_time', $the_time, $format, $post ); 2897 } 2898 2899 /** 2900 * Retrieve the time at which the post was last modified. 2901 * 2902 * @since 2.0.0 2903 * 2904 * @param string $format Optional. Format to use for retrieving the time the post 2905 * was modified. Accepts 'G', 'U', or PHP date format. Default 'U'. 2906 * @param bool $gmt Optional. Whether to retrieve the GMT time. Default false. 2907 * @param int|WP_Post $post WP_Post object or ID. Default is global `$post` object. 2908 * @param bool $translate Whether to translate the time string. Default false. 2909 * @return string|int|false Formatted date string or Unix timestamp if `$format` is 'U' or 'G'. 2910 * False on failure. 2911 */ 2912 function get_post_modified_time( $format = 'U', $gmt = false, $post = null, $translate = false ) { 2913 $post = get_post( $post ); 2914 2915 if ( ! $post ) { 2916 return false; 2917 } 2918 2919 $source = ( $gmt ) ? 'gmt' : 'local'; 2920 $datetime = get_post_datetime( $post, 'modified', $source ); 2921 2922 if ( false === $datetime ) { 2923 return false; 2924 } 2925 2926 if ( 'U' === $format || 'G' === $format ) { 2927 $time = $datetime->getTimestamp(); 2928 2929 // Returns a sum of timestamp with timezone offset. Ideally should never be used. 2930 if ( ! $gmt ) { 2931 $time += $datetime->getOffset(); 2932 } 2933 } elseif ( $translate ) { 2934 $time = wp_date( $format, $datetime->getTimestamp(), $gmt ? new DateTimeZone( 'UTC' ) : null ); 2935 } else { 2936 if ( $gmt ) { 2937 $datetime = $datetime->setTimezone( new DateTimeZone( 'UTC' ) ); 2938 } 2939 2940 $time = $datetime->format( $format ); 2941 } 2942 2943 /** 2944 * Filters the localized time a post was last modified. 2945 * 2946 * @since 2.8.0 2947 * 2948 * @param string|int $time Formatted date string or Unix timestamp if `$format` is 'U' or 'G'. 2949 * @param string $format Format to use for retrieving the time the post was modified. 2950 * Accepts 'G', 'U', or PHP date format. Default 'U'. 2951 * @param bool $gmt Whether to retrieve the GMT time. Default false. 2952 */ 2953 return apply_filters( 'get_post_modified_time', $time, $format, $gmt ); 2954 } 2955 2956 /** 2957 * Display the weekday on which the post was written. 2958 * 2959 * @since 0.71 2960 * 2961 * @global WP_Locale $wp_locale WordPress date and time locale object. 2962 */ 2963 function the_weekday() { 2964 global $wp_locale; 2965 2966 $post = get_post(); 2967 2968 if ( ! $post ) { 2969 return; 2970 } 2971 2972 $the_weekday = $wp_locale->get_weekday( get_post_time( 'w', false, $post ) ); 2973 2974 /** 2975 * Filters the weekday on which the post was written, for display. 2976 * 2977 * @since 0.71 2978 * 2979 * @param string $the_weekday 2980 */ 2981 echo apply_filters( 'the_weekday', $the_weekday ); 2982 } 2983 2984 /** 2985 * Display the weekday on which the post was written. 2986 * 2987 * Will only output the weekday if the current post's weekday is different from 2988 * the previous one output. 2989 * 2990 * @since 0.71 2991 * 2992 * @global WP_Locale $wp_locale WordPress date and time locale object. 2993 * @global string $currentday The day of the current post in the loop. 2994 * @global string $previousweekday The day of the previous post in the loop. 2995 * 2996 * @param string $before Optional. Output before the date. Default empty. 2997 * @param string $after Optional. Output after the date. Default empty. 2998 */ 2999 function the_weekday_date( $before = '', $after = '' ) { 3000 global $wp_locale, $currentday, $previousweekday; 3001 3002 $post = get_post(); 3003 3004 if ( ! $post ) { 3005 return; 3006 } 3007 3008 $the_weekday_date = ''; 3009 3010 if ( $currentday !== $previousweekday ) { 3011 $the_weekday_date .= $before; 3012 $the_weekday_date .= $wp_locale->get_weekday( get_post_time( 'w', false, $post ) ); 3013 $the_weekday_date .= $after; 3014 $previousweekday = $currentday; 3015 } 3016 3017 /** 3018 * Filters the localized date on which the post was written, for display. 3019 * 3020 * @since 0.71 3021 * 3022 * @param string $the_weekday_date The weekday on which the post was written. 3023 * @param string $before The HTML to output before the date. 3024 * @param string $after The HTML to output after the date. 3025 */ 3026 echo apply_filters( 'the_weekday_date', $the_weekday_date, $before, $after ); 3027 } 3028 3029 /** 3030 * Fire the wp_head action. 3031 * 3032 * See {@see 'wp_head'}. 3033 * 3034 * @since 1.2.0 3035 */ 3036 function wp_head() { 3037 /** 3038 * Prints scripts or data in the head tag on the front end. 3039 * 3040 * @since 1.5.0 3041 */ 3042 do_action( 'wp_head' ); 3043 } 3044 3045 /** 3046 * Fire the wp_footer action. 3047 * 3048 * See {@see 'wp_footer'}. 3049 * 3050 * @since 1.5.1 3051 */ 3052 function wp_footer() { 3053 /** 3054 * Prints scripts or data before the closing body tag on the front end. 3055 * 3056 * @since 1.5.1 3057 */ 3058 do_action( 'wp_footer' ); 3059 } 3060 3061 /** 3062 * Fire the wp_body_open action. 3063 * 3064 * See {@see 'wp_body_open'}. 3065 * 3066 * @since 5.2.0 3067 */ 3068 function wp_body_open() { 3069 /** 3070 * Triggered after the opening body tag. 3071 * 3072 * @since 5.2.0 3073 */ 3074 do_action( 'wp_body_open' ); 3075 } 3076 3077 /** 3078 * Display the links to the general feeds. 3079 * 3080 * @since 2.8.0 3081 * 3082 * @param array $args Optional arguments. 3083 */ 3084 function feed_links( $args = array() ) { 3085 if ( ! current_theme_supports( 'automatic-feed-links' ) ) { 3086 return; 3087 } 3088 3089 $defaults = array( 3090 /* translators: Separator between blog name and feed type in feed links. */ 3091 'separator' => _x( '»', 'feed link' ), 3092 /* translators: 1: Blog title, 2: Separator (raquo). */ 3093 'feedtitle' => __( '%1$s %2$s Feed' ), 3094 /* translators: 1: Blog title, 2: Separator (raquo). */ 3095 'comstitle' => __( '%1$s %2$s Comments Feed' ), 3096 ); 3097 3098 $args = wp_parse_args( $args, $defaults ); 3099 3100 /** 3101 * Filters whether to display the posts feed link. 3102 * 3103 * @since 4.4.0 3104 * 3105 * @param bool $show Whether to display the posts feed link. Default true. 3106 */ 3107 if ( apply_filters( 'feed_links_show_posts_feed', true ) ) { 3108 echo '<link rel="alternate" type="' . feed_content_type() . '" title="' . esc_attr( sprintf( $args['feedtitle'], get_bloginfo( 'name' ), $args['separator'] ) ) . '" href="' . esc_url( get_feed_link() ) . "\" />\n"; 3109 } 3110 3111 /** 3112 * Filters whether to display the comments feed link. 3113 * 3114 * @since 4.4.0 3115 * 3116 * @param bool $show Whether to display the comments feed link. Default true. 3117 */ 3118 if ( apply_filters( 'feed_links_show_comments_feed', true ) ) { 3119 echo '<link rel="alternate" type="' . feed_content_type() . '" title="' . esc_attr( sprintf( $args['comstitle'], get_bloginfo( 'name' ), $args['separator'] ) ) . '" href="' . esc_url( get_feed_link( 'comments_' . get_default_feed() ) ) . "\" />\n"; 3120 } 3121 } 3122 3123 /** 3124 * Display the links to the extra feeds such as category feeds. 3125 * 3126 * @since 2.8.0 3127 * 3128 * @param array $args Optional arguments. 3129 */ 3130 function feed_links_extra( $args = array() ) { 3131 $defaults = array( 3132 /* translators: Separator between blog name and feed type in feed links. */ 3133 'separator' => _x( '»', 'feed link' ), 3134 /* translators: 1: Blog name, 2: Separator (raquo), 3: Post title. */ 3135 'singletitle' => __( '%1$s %2$s %3$s Comments Feed' ), 3136 /* translators: 1: Blog name, 2: Separator (raquo), 3: Category name. */ 3137 'cattitle' => __( '%1$s %2$s %3$s Category Feed' ), 3138 /* translators: 1: Blog name, 2: Separator (raquo), 3: Tag name. */ 3139 'tagtitle' => __( '%1$s %2$s %3$s Tag Feed' ), 3140 /* translators: 1: Blog name, 2: Separator (raquo), 3: Term name, 4: Taxonomy singular name. */ 3141 'taxtitle' => __( '%1$s %2$s %3$s %4$s Feed' ), 3142 /* translators: 1: Blog name, 2: Separator (raquo), 3: Author name. */ 3143 'authortitle' => __( '%1$s %2$s Posts by %3$s Feed' ), 3144 /* translators: 1: Blog name, 2: Separator (raquo), 3: Search query. */ 3145 'searchtitle' => __( '%1$s %2$s Search Results for “%3$s” Feed' ), 3146 /* translators: 1: Blog name, 2: Separator (raquo), 3: Post type name. */ 3147 'posttypetitle' => __( '%1$s %2$s %3$s Feed' ), 3148 ); 3149 3150 $args = wp_parse_args( $args, $defaults ); 3151 3152 if ( is_singular() ) { 3153 $id = 0; 3154 $post = get_post( $id ); 3155 3156 /** This filter is documented in wp-includes/general-template.php */ 3157 $show_comments_feed = apply_filters( 'feed_links_show_comments_feed', true ); 3158 3159 if ( $show_comments_feed && ( comments_open() || pings_open() || $post->comment_count > 0 ) ) { 3160 $title = sprintf( $args['singletitle'], get_bloginfo( 'name' ), $args['separator'], the_title_attribute( array( 'echo' => false ) ) ); 3161 $feed_link = get_post_comments_feed_link( $post->ID ); 3162 3163 if ( $feed_link ) { 3164 $href = $feed_link; 3165 } 3166 } 3167 } elseif ( is_post_type_archive() ) { 3168 $post_type = get_query_var( 'post_type' ); 3169 if ( is_array( $post_type ) ) { 3170 $post_type = reset( $post_type ); 3171 } 3172 3173 $post_type_obj = get_post_type_object( $post_type ); 3174 $title = sprintf( $args['posttypetitle'], get_bloginfo( 'name' ), $args['separator'], $post_type_obj->labels->name ); 3175 $href = get_post_type_archive_feed_link( $post_type_obj->name ); 3176 } elseif ( is_category() ) { 3177 $term = get_queried_object(); 3178 3179 if ( $term ) { 3180 $title = sprintf( $args['cattitle'], get_bloginfo( 'name' ), $args['separator'], $term->name ); 3181 $href = get_category_feed_link( $term->term_id ); 3182 } 3183 } elseif ( is_tag() ) { 3184 $term = get_queried_object(); 3185 3186 if ( $term ) { 3187 $title = sprintf( $args['tagtitle'], get_bloginfo( 'name' ), $args['separator'], $term->name ); 3188 $href = get_tag_feed_link( $term->term_id ); 3189 } 3190 } elseif ( is_tax() ) { 3191 $term = get_queried_object(); 3192 3193 if ( $term ) { 3194 $tax = get_taxonomy( $term->taxonomy ); 3195 $title = sprintf( $args['taxtitle'], get_bloginfo( 'name' ), $args['separator'], $term->name, $tax->labels->singular_name ); 3196 $href = get_term_feed_link( $term->term_id, $term->taxonomy ); 3197 } 3198 } elseif ( is_author() ) { 3199 $author_id = (int) get_query_var( 'author' ); 3200 3201 $title = sprintf( $args['authortitle'], get_bloginfo( 'name' ), $args['separator'], get_the_author_meta( 'display_name', $author_id ) ); 3202 $href = get_author_feed_link( $author_id ); 3203 } elseif ( is_search() ) { 3204 $title = sprintf( $args['searchtitle'], get_bloginfo( 'name' ), $args['separator'], get_search_query( false ) ); 3205 $href = get_search_feed_link(); 3206 } 3207 3208 if ( isset( $title ) && isset( $href ) ) { 3209 echo '<link rel="alternate" type="' . feed_content_type() . '" title="' . esc_attr( $title ) . '" href="' . esc_url( $href ) . '" />' . "\n"; 3210 } 3211 } 3212 3213 /** 3214 * Display the link to the Really Simple Discovery service endpoint. 3215 * 3216 * @link http://archipelago.phrasewise.com/rsd 3217 * @since 2.0.0 3218 */ 3219 function rsd_link() { 3220 echo '<link rel="EditURI" type="application/rsd+xml" title="RSD" href="' . esc_url( site_url( 'xmlrpc.php?rsd', 'rpc' ) ) . '" />' . "\n"; 3221 } 3222 3223 /** 3224 * Display the link to the Windows Live Writer manifest file. 3225 * 3226 * @link https://msdn.microsoft.com/en-us/library/bb463265.aspx 3227 * @since 2.3.1 3228 */ 3229 function wlwmanifest_link() { 3230 echo '<link rel="wlwmanifest" type="application/wlwmanifest+xml" href="' . includes_url( 'wlwmanifest.xml' ) . '" /> ' . "\n"; 3231 } 3232 3233 /** 3234 * Displays a referrer `strict-origin-when-cross-origin` meta tag. 3235 * 3236 * Outputs a referrer `strict-origin-when-cross-origin` meta tag that tells the browser not to send 3237 * the full URL as a referrer to other sites when cross-origin assets are loaded. 3238 * 3239 * Typical usage is as a {@see 'wp_head'} callback: 3240 * 3241 * add_action( 'wp_head', 'wp_strict_cross_origin_referrer' ); 3242 * 3243 * @since 5.7.0 3244 */ 3245 function wp_strict_cross_origin_referrer() { 3246 ?> 3247 <meta name='referrer' content='strict-origin-when-cross-origin' /> 3248 <?php 3249 } 3250 3251 /** 3252 * Display site icon meta tags. 3253 * 3254 * @since 4.3.0 3255 * 3256 * @link https://www.whatwg.org/specs/web-apps/current-work/multipage/links.html#rel-icon HTML5 specification link icon. 3257 */ 3258 function wp_site_icon() { 3259 if ( ! has_site_icon() && ! is_customize_preview() ) { 3260 return; 3261 } 3262 3263 $meta_tags = array(); 3264 $icon_32 = get_site_icon_url( 32 ); 3265 if ( empty( $icon_32 ) && is_customize_preview() ) { 3266 $icon_32 = '/favicon.ico'; // Serve default favicon URL in customizer so element can be updated for preview. 3267 } 3268 if ( $icon_32 ) { 3269 $meta_tags[] = sprintf( '<link rel="icon" href="%s" sizes="32x32" />', esc_url( $icon_32 ) ); 3270 } 3271 $icon_192 = get_site_icon_url( 192 ); 3272 if ( $icon_192 ) { 3273 $meta_tags[] = sprintf( '<link rel="icon" href="%s" sizes="192x192" />', esc_url( $icon_192 ) ); 3274 } 3275 $icon_180 = get_site_icon_url( 180 ); 3276 if ( $icon_180 ) { 3277 $meta_tags[] = sprintf( '<link rel="apple-touch-icon" href="%s" />', esc_url( $icon_180 ) ); 3278 } 3279 $icon_270 = get_site_icon_url( 270 ); 3280 if ( $icon_270 ) { 3281 $meta_tags[] = sprintf( '<meta name="msapplication-TileImage" content="%s" />', esc_url( $icon_270 ) ); 3282 } 3283 3284 /** 3285 * Filters the site icon meta tags, so plugins can add their own. 3286 * 3287 * @since 4.3.0 3288 * 3289 * @param string[] $meta_tags Array of Site Icon meta tags. 3290 */ 3291 $meta_tags = apply_filters( 'site_icon_meta_tags', $meta_tags ); 3292 $meta_tags = array_filter( $meta_tags ); 3293 3294 foreach ( $meta_tags as $meta_tag ) { 3295 echo "$meta_tag\n"; 3296 } 3297 } 3298 3299 /** 3300 * Prints resource hints to browsers for pre-fetching, pre-rendering 3301 * and pre-connecting to web sites. 3302 * 3303 * Gives hints to browsers to prefetch specific pages or render them 3304 * in the background, to perform DNS lookups or to begin the connection 3305 * handshake (DNS, TCP, TLS) in the background. 3306 * 3307 * These performance improving indicators work by using `<link rel"…">`. 3308 * 3309 * @since 4.6.0 3310 */ 3311 function wp_resource_hints() { 3312 $hints = array( 3313 'dns-prefetch' => wp_dependencies_unique_hosts(), 3314 'preconnect' => array(), 3315 'prefetch' => array(), 3316 'prerender' => array(), 3317 ); 3318 3319 /* 3320 * Add DNS prefetch for the Emoji CDN. 3321 * The path is removed in the foreach loop below. 3322 */ 3323 /** This filter is documented in wp-includes/formatting.php */ 3324 $hints['dns-prefetch'][] = apply_filters( 'emoji_svg_url', 'https://s.w.org/images/core/emoji/13.0.0/svg/' ); 3325 3326 foreach ( $hints as $relation_type => $urls ) { 3327 $unique_urls = array(); 3328 3329 /** 3330 * Filters domains and URLs for resource hints of relation type. 3331 * 3332 * @since 4.6.0 3333 * @since 4.7.0 The `$urls` parameter accepts arrays of specific HTML attributes 3334 * as its child elements. 3335 * 3336 * @param array $urls { 3337 * Array of resources and their attributes, or URLs to print for resource hints. 3338 * 3339 * @type array|string ...$0 { 3340 * Array of resource attributes, or a URL string. 3341 * 3342 * @type string $href URL to include in resource hints. Required. 3343 * @type string $as How the browser should treat the resource 3344 * (`script`, `style`, `image`, `document`, etc). 3345 * @type string $crossorigin Indicates the CORS policy of the specified resource. 3346 * @type float $pr Expected probability that the resource hint will be used. 3347 * @type string $type Type of the resource (`text/html`, `text/css`, etc). 3348 * } 3349 * } 3350 * @param string $relation_type The relation type the URLs are printed for, 3351 * e.g. 'preconnect' or 'prerender'. 3352 */ 3353 $urls = apply_filters( 'wp_resource_hints', $urls, $relation_type ); 3354 3355 foreach ( $urls as $key => $url ) { 3356 $atts = array(); 3357 3358 if ( is_array( $url ) ) { 3359 if ( isset( $url['href'] ) ) { 3360 $atts = $url; 3361 $url = $url['href']; 3362 } else { 3363 continue; 3364 } 3365 } 3366 3367 $url = esc_url( $url, array( 'http', 'https' ) ); 3368 3369 if ( ! $url ) { 3370 continue; 3371 } 3372 3373 if ( isset( $unique_urls[ $url ] ) ) { 3374 continue; 3375 } 3376 3377 if ( in_array( $relation_type, array( 'preconnect', 'dns-prefetch' ), true ) ) { 3378 $parsed = wp_parse_url( $url ); 3379 3380 if ( empty( $parsed['host'] ) ) { 3381 continue; 3382 } 3383 3384 if ( 'preconnect' === $relation_type && ! empty( $parsed['scheme'] ) ) { 3385 $url = $parsed['scheme'] . '://' . $parsed['host']; 3386 } else { 3387 // Use protocol-relative URLs for dns-prefetch or if scheme is missing. 3388 $url = '//' . $parsed['host']; 3389 } 3390 } 3391 3392 $atts['rel'] = $relation_type; 3393 $atts['href'] = $url; 3394 3395 $unique_urls[ $url ] = $atts; 3396 } 3397 3398 foreach ( $unique_urls as $atts ) { 3399 $html = ''; 3400 3401 foreach ( $atts as $attr => $value ) { 3402 if ( ! is_scalar( $value ) 3403 || ( ! in_array( $attr, array( 'as', 'crossorigin', 'href', 'pr', 'rel', 'type' ), true ) && ! is_numeric( $attr ) ) 3404 ) { 3405 3406 continue; 3407 } 3408 3409 $value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value ); 3410 3411 if ( ! is_string( $attr ) ) { 3412 $html .= " $value"; 3413 } else { 3414 $html .= " $attr='$value'"; 3415 } 3416 } 3417 3418 $html = trim( $html ); 3419 3420 echo "<link $html />\n"; 3421 } 3422 } 3423 } 3424 3425 /** 3426 * Retrieves a list of unique hosts of all enqueued scripts and styles. 3427 * 3428 * @since 4.6.0 3429 * 3430 * @return string[] A list of unique hosts of enqueued scripts and styles. 3431 */ 3432 function wp_dependencies_unique_hosts() { 3433 global $wp_scripts, $wp_styles; 3434 3435 $unique_hosts = array(); 3436 3437 foreach ( array( $wp_scripts, $wp_styles ) as $dependencies ) { 3438 if ( $dependencies instanceof WP_Dependencies && ! empty( $dependencies->queue ) ) { 3439 foreach ( $dependencies->queue as $handle ) { 3440 if ( ! isset( $dependencies->registered[ $handle ] ) ) { 3441 continue; 3442 } 3443 3444 /* @var _WP_Dependency $dependency */ 3445 $dependency = $dependencies->registered[ $handle ]; 3446 $parsed = wp_parse_url( $dependency->src ); 3447 3448 if ( ! empty( $parsed['host'] ) 3449 && ! in_array( $parsed['host'], $unique_hosts, true ) && $parsed['host'] !== $_SERVER['SERVER_NAME'] 3450 ) { 3451 $unique_hosts[] = $parsed['host']; 3452 } 3453 } 3454 } 3455 } 3456 3457 return $unique_hosts; 3458 } 3459 3460 /** 3461 * Whether the user can access the visual editor. 3462 * 3463 * Checks if the user can access the visual editor and that it's supported by the user's browser. 3464 * 3465 * @since 2.0.0 3466 * 3467 * @global bool $wp_rich_edit Whether the user can access the visual editor. 3468 * @global bool $is_gecko Whether the browser is Gecko-based. 3469 * @global bool $is_opera Whether the browser is Opera. 3470 * @global bool $is_safari Whether the browser is Safari. 3471 * @global bool $is_chrome Whether the browser is Chrome. 3472 * @global bool $is_IE Whether the browser is Internet Explorer. 3473 * @global bool $is_edge Whether the browser is Microsoft Edge. 3474 * 3475 * @return bool True if the user can access the visual editor, false otherwise. 3476 */ 3477 function user_can_richedit() { 3478 global $wp_rich_edit, $is_gecko, $is_opera, $is_safari, $is_chrome, $is_IE, $is_edge; 3479 3480 if ( ! isset( $wp_rich_edit ) ) { 3481 $wp_rich_edit = false; 3482 3483 if ( 'true' === get_user_option( 'rich_editing' ) || ! is_user_logged_in() ) { // Default to 'true' for logged out users. 3484 if ( $is_safari ) { 3485 $wp_rich_edit = ! wp_is_mobile() || ( preg_match( '!AppleWebKit/(\d+)!', $_SERVER['HTTP_USER_AGENT'], $match ) && (int) $match[1] >= 534 ); 3486 } elseif ( $is_IE ) { 3487 $wp_rich_edit = ( strpos( $_SERVER['HTTP_USER_AGENT'], 'Trident/7.0;' ) !== false ); 3488 } elseif ( $is_gecko || $is_chrome || $is_edge || ( $is_opera && ! wp_is_mobile() ) ) { 3489 $wp_rich_edit = true; 3490 } 3491 } 3492 } 3493 3494 /** 3495 * Filters whether the user can access the visual editor. 3496 * 3497 * @since 2.1.0 3498 * 3499 * @param bool $wp_rich_edit Whether the user can access the visual editor. 3500 */ 3501 return apply_filters( 'user_can_richedit', $wp_rich_edit ); 3502 } 3503 3504 /** 3505 * Find out which editor should be displayed by default. 3506 * 3507 * Works out which of the two editors to display as the current editor for a 3508 * user. The 'html' setting is for the "Text" editor tab. 3509 * 3510 * @since 2.5.0 3511 * 3512 * @return string Either 'tinymce', or 'html', or 'test' 3513 */ 3514 function wp_default_editor() { 3515 $r = user_can_richedit() ? 'tinymce' : 'html'; // Defaults. 3516 if ( wp_get_current_user() ) { // Look for cookie. 3517 $ed = get_user_setting( 'editor', 'tinymce' ); 3518 $r = ( in_array( $ed, array( 'tinymce', 'html', 'test' ), true ) ) ? $ed : $r; 3519 } 3520 3521 /** 3522 * Filters which editor should be displayed by default. 3523 * 3524 * @since 2.5.0 3525 * 3526 * @param string $r Which editor should be displayed by default. Either 'tinymce', 'html', or 'test'. 3527 */ 3528 return apply_filters( 'wp_default_editor', $r ); 3529 } 3530 3531 /** 3532 * Renders an editor. 3533 * 3534 * Using this function is the proper way to output all needed components for both TinyMCE and Quicktags. 3535 * _WP_Editors should not be used directly. See https://core.trac.wordpress.org/ticket/17144. 3536 * 3537 * NOTE: Once initialized the TinyMCE editor cannot be safely moved in the DOM. For that reason 3538 * running wp_editor() inside of a meta box is not a good idea unless only Quicktags is used. 3539 * On the post edit screen several actions can be used to include additional editors 3540 * containing TinyMCE: 'edit_page_form', 'edit_form_advanced' and 'dbx_post_sidebar'. 3541 * See https://core.trac.wordpress.org/ticket/19173 for more information. 3542 * 3543 * @see _WP_Editors::editor() 3544 * @see _WP_Editors::parse_settings() 3545 * @since 3.3.0 3546 * 3547 * @param string $content Initial content for the editor. 3548 * @param string $editor_id HTML ID attribute value for the textarea and TinyMCE. 3549 * Should not contain square brackets. 3550 * @param array $settings See _WP_Editors::parse_settings() for description. 3551 */ 3552 function wp_editor( $content, $editor_id, $settings = array() ) { 3553 if ( ! class_exists( '_WP_Editors', false ) ) { 3554 require ABSPATH . WPINC . '/class-wp-editor.php'; 3555 } 3556 _WP_Editors::editor( $content, $editor_id, $settings ); 3557 } 3558 3559 /** 3560 * Outputs the editor scripts, stylesheets, and default settings. 3561 * 3562 * The editor can be initialized when needed after page load. 3563 * See wp.editor.initialize() in wp-admin/js/editor.js for initialization options. 3564 * 3565 * @uses _WP_Editors 3566 * @since 4.8.0 3567 */ 3568 function wp_enqueue_editor() { 3569 if ( ! class_exists( '_WP_Editors', false ) ) { 3570 require ABSPATH . WPINC . '/class-wp-editor.php'; 3571 } 3572 3573 _WP_Editors::enqueue_default_editor(); 3574 } 3575 3576 /** 3577 * Enqueue assets needed by the code editor for the given settings. 3578 * 3579 * @since 4.9.0 3580 * 3581 * @see wp_enqueue_editor() 3582 * @see wp_get_code_editor_settings(); 3583 * @see _WP_Editors::parse_settings() 3584 * 3585 * @param array $args { 3586 * Args. 3587 * 3588 * @type string $type The MIME type of the file to be edited. 3589 * @type string $file Filename to be edited. Extension is used to sniff the type. Can be supplied as alternative to `$type` param. 3590 * @type WP_Theme $theme Theme being edited when on the theme file editor. 3591 * @type string $plugin Plugin being edited when on the plugin file editor. 3592 * @type array $codemirror Additional CodeMirror setting overrides. 3593 * @type array $csslint CSSLint rule overrides. 3594 * @type array $jshint JSHint rule overrides. 3595 * @type array $htmlhint HTMLHint rule overrides. 3596 * } 3597 * @return array|false Settings for the enqueued code editor, or false if the editor was not enqueued. 3598 */ 3599 function wp_enqueue_code_editor( $args ) { 3600 if ( is_user_logged_in() && 'false' === wp_get_current_user()->syntax_highlighting ) { 3601 return false; 3602 } 3603 3604 $settings = wp_get_code_editor_settings( $args ); 3605 3606 if ( empty( $settings ) || empty( $settings['codemirror'] ) ) { 3607 return false; 3608 } 3609 3610 wp_enqueue_script( 'code-editor' ); 3611 wp_enqueue_style( 'code-editor' ); 3612 3613 if ( isset( $settings['codemirror']['mode'] ) ) { 3614 $mode = $settings['codemirror']['mode']; 3615 if ( is_string( $mode ) ) { 3616 $mode = array( 3617 'name' => $mode, 3618 ); 3619 } 3620 3621 if ( ! empty( $settings['codemirror']['lint'] ) ) { 3622 switch ( $mode['name'] ) { 3623 case 'css': 3624 case 'text/css': 3625 case 'text/x-scss': 3626 case 'text/x-less': 3627 wp_enqueue_script( 'csslint' ); 3628 break; 3629 case 'htmlmixed': 3630 case 'text/html': 3631 case 'php': 3632 case 'application/x-httpd-php': 3633 case 'text/x-php': 3634 wp_enqueue_script( 'htmlhint' ); 3635 wp_enqueue_script( 'csslint' ); 3636 wp_enqueue_script( 'jshint' ); 3637 if ( ! current_user_can( 'unfiltered_html' ) ) { 3638 wp_enqueue_script( 'htmlhint-kses' ); 3639 } 3640 break; 3641 case 'javascript': 3642 case 'application/ecmascript': 3643 case 'application/json': 3644 case 'application/javascript': 3645 case 'application/ld+json': 3646 case 'text/typescript': 3647 case 'application/typescript': 3648 wp_enqueue_script( 'jshint' ); 3649 wp_enqueue_script( 'jsonlint' ); 3650 break; 3651 } 3652 } 3653 } 3654 3655 wp_add_inline_script( 'code-editor', sprintf( 'jQuery.extend( wp.codeEditor.defaultSettings, %s );', wp_json_encode( $settings ) ) ); 3656 3657 /** 3658 * Fires when scripts and styles are enqueued for the code editor. 3659 * 3660 * @since 4.9.0 3661 * 3662 * @param array $settings Settings for the enqueued code editor. 3663 */ 3664 do_action( 'wp_enqueue_code_editor', $settings ); 3665 3666 return $settings; 3667 } 3668 3669 /** 3670 * Generate and return code editor settings. 3671 * 3672 * @since 5.0.0 3673 * 3674 * @see wp_enqueue_code_editor() 3675 * 3676 * @param array $args { 3677 * Args. 3678 * 3679 * @type string $type The MIME type of the file to be edited. 3680 * @type string $file Filename to be edited. Extension is used to sniff the type. Can be supplied as alternative to `$type` param. 3681 * @type WP_Theme $theme Theme being edited when on the theme file editor. 3682 * @type string $plugin Plugin being edited when on the plugin file editor. 3683 * @type array $codemirror Additional CodeMirror setting overrides. 3684 * @type array $csslint CSSLint rule overrides. 3685 * @type array $jshint JSHint rule overrides. 3686 * @type array $htmlhint HTMLHint rule overrides. 3687 * } 3688 * @return array|false Settings for the code editor. 3689 */ 3690 function wp_get_code_editor_settings( $args ) { 3691 $settings = array( 3692 'codemirror' => array( 3693 'indentUnit' => 4, 3694 'indentWithTabs' => true, 3695 'inputStyle' => 'contenteditable', 3696 'lineNumbers' => true, 3697 'lineWrapping' => true, 3698 'styleActiveLine' => true, 3699 'continueComments' => true, 3700 'extraKeys' => array( 3701 'Ctrl-Space' => 'autocomplete', 3702 'Ctrl-/' => 'toggleComment', 3703 'Cmd-/' => 'toggleComment', 3704 'Alt-F' => 'findPersistent', 3705 'Ctrl-F' => 'findPersistent', 3706 'Cmd-F' => 'findPersistent', 3707 ), 3708 'direction' => 'ltr', // Code is shown in LTR even in RTL languages. 3709 'gutters' => array(), 3710 ), 3711 'csslint' => array( 3712 'errors' => true, // Parsing errors. 3713 'box-model' => true, 3714 'display-property-grouping' => true, 3715 'duplicate-properties' => true, 3716 'known-properties' => true, 3717 'outline-none' => true, 3718 ), 3719 'jshint' => array( 3720 // The following are copied from <https://github.com/WordPress/wordpress-develop/blob/4.8.1/.jshintrc>. 3721 'boss' => true, 3722 'curly' => true, 3723 'eqeqeq' => true, 3724 'eqnull' => true, 3725 'es3' => true, 3726 'expr' => true, 3727 'immed' => true, 3728 'noarg' => true, 3729 'nonbsp' => true, 3730 'onevar' => true, 3731 'quotmark' => 'single', 3732 'trailing' => true, 3733 'undef' => true, 3734 'unused' => true, 3735 3736 'browser' => true, 3737 3738 'globals' => array( 3739 '_' => false, 3740 'Backbone' => false, 3741 'jQuery' => false, 3742 'JSON' => false, 3743 'wp' => false, 3744 ), 3745 ), 3746 'htmlhint' => array( 3747 'tagname-lowercase' => true, 3748 'attr-lowercase' => true, 3749 'attr-value-double-quotes' => false, 3750 'doctype-first' => false, 3751 'tag-pair' => true, 3752 'spec-char-escape' => true, 3753 'id-unique' => true, 3754 'src-not-empty' => true, 3755 'attr-no-duplication' => true, 3756 'alt-require' => true, 3757 'space-tab-mixed-disabled' => 'tab', 3758 'attr-unsafe-chars' => true, 3759 ), 3760 ); 3761 3762 $type = ''; 3763 if ( isset( $args['type'] ) ) { 3764 $type = $args['type']; 3765 3766 // Remap MIME types to ones that CodeMirror modes will recognize. 3767 if ( 'application/x-patch' === $type || 'text/x-patch' === $type ) { 3768 $type = 'text/x-diff'; 3769 } 3770 } elseif ( isset( $args['file'] ) && false !== strpos( basename( $args['file'] ), '.' ) ) { 3771 $extension = strtolower( pathinfo( $args['file'], PATHINFO_EXTENSION ) ); 3772 foreach ( wp_get_mime_types() as $exts => $mime ) { 3773 if ( preg_match( '!^(' . $exts . ')$!i', $extension ) ) { 3774 $type = $mime; 3775 break; 3776 } 3777 } 3778 3779 // Supply any types that are not matched by wp_get_mime_types(). 3780 if ( empty( $type ) ) { 3781 switch ( $extension ) { 3782 case 'conf': 3783 $type = 'text/nginx'; 3784 break; 3785 case 'css': 3786 $type = 'text/css'; 3787 break; 3788 case 'diff': 3789 case 'patch': 3790 $type = 'text/x-diff'; 3791 break; 3792 case 'html': 3793 case 'htm': 3794 $type = 'text/html'; 3795 break; 3796 case 'http': 3797 $type = 'message/http'; 3798 break; 3799 case 'js': 3800 $type = 'text/javascript'; 3801 break; 3802 case 'json': 3803 $type = 'application/json'; 3804 break; 3805 case 'jsx': 3806 $type = 'text/jsx'; 3807 break; 3808 case 'less': 3809 $type = 'text/x-less'; 3810 break; 3811 case 'md': 3812 $type = 'text/x-gfm'; 3813 break; 3814 case 'php': 3815 case 'phtml': 3816 case 'php3': 3817 case 'php4': 3818 case 'php5': 3819 case 'php7': 3820 case 'phps': 3821 $type = 'application/x-httpd-php'; 3822 break; 3823 case 'scss': 3824 $type = 'text/x-scss'; 3825 break; 3826 case 'sass': 3827 $type = 'text/x-sass'; 3828 break; 3829 case 'sh': 3830 case 'bash': 3831 $type = 'text/x-sh'; 3832 break; 3833 case 'sql': 3834 $type = 'text/x-sql'; 3835 break; 3836 case 'svg': 3837 $type = 'application/svg+xml'; 3838 break; 3839 case 'xml': 3840 $type = 'text/xml'; 3841 break; 3842 case 'yml': 3843 case 'yaml': 3844 $type = 'text/x-yaml'; 3845 break; 3846 case 'txt': 3847 default: 3848 $type = 'text/plain'; 3849 break; 3850 } 3851 } 3852 } 3853 3854 if ( in_array( $type, array( 'text/css', 'text/x-scss', 'text/x-less', 'text/x-sass' ), true ) ) { 3855 $settings['codemirror'] = array_merge( 3856 $settings['codemirror'], 3857 array( 3858 'mode' => $type, 3859 'lint' => false, 3860 'autoCloseBrackets' => true, 3861 'matchBrackets' => true, 3862 ) 3863 ); 3864 } elseif ( 'text/x-diff' === $type ) { 3865 $settings['codemirror'] = array_merge( 3866 $settings['codemirror'], 3867 array( 3868 'mode' => 'diff', 3869 ) 3870 ); 3871 } elseif ( 'text/html' === $type ) { 3872 $settings['codemirror'] = array_merge( 3873 $settings['codemirror'], 3874 array( 3875 'mode' => 'htmlmixed', 3876 'lint' => true, 3877 'autoCloseBrackets' => true, 3878 'autoCloseTags' => true, 3879 'matchTags' => array( 3880 'bothTags' => true, 3881 ), 3882 ) 3883 ); 3884 3885 if ( ! current_user_can( 'unfiltered_html' ) ) { 3886 $settings['htmlhint']['kses'] = wp_kses_allowed_html( 'post' ); 3887 } 3888 } elseif ( 'text/x-gfm' === $type ) { 3889 $settings['codemirror'] = array_merge( 3890 $settings['codemirror'], 3891 array( 3892 'mode' => 'gfm', 3893 'highlightFormatting' => true, 3894 ) 3895 ); 3896 } elseif ( 'application/javascript' === $type || 'text/javascript' === $type ) { 3897 $settings['codemirror'] = array_merge( 3898 $settings['codemirror'], 3899 array( 3900 'mode' => 'javascript', 3901 'lint' => true, 3902 'autoCloseBrackets' => true, 3903 'matchBrackets' => true, 3904 ) 3905 ); 3906 } elseif ( false !== strpos( $type, 'json' ) ) { 3907 $settings['codemirror'] = array_merge( 3908 $settings['codemirror'], 3909 array( 3910 'mode' => array( 3911 'name' => 'javascript', 3912 ), 3913 'lint' => true, 3914 'autoCloseBrackets' => true, 3915 'matchBrackets' => true, 3916 ) 3917 ); 3918 if ( 'application/ld+json' === $type ) { 3919 $settings['codemirror']['mode']['jsonld'] = true; 3920 } else { 3921 $settings['codemirror']['mode']['json'] = true; 3922 } 3923 } elseif ( false !== strpos( $type, 'jsx' ) ) { 3924 $settings['codemirror'] = array_merge( 3925 $settings['codemirror'], 3926 array( 3927 'mode' => 'jsx', 3928 'autoCloseBrackets' => true, 3929 'matchBrackets' => true, 3930 ) 3931 ); 3932 } elseif ( 'text/x-markdown' === $type ) { 3933 $settings['codemirror'] = array_merge( 3934 $settings['codemirror'], 3935 array( 3936 'mode' => 'markdown', 3937 'highlightFormatting' => true, 3938 ) 3939 ); 3940 } elseif ( 'text/nginx' === $type ) { 3941 $settings['codemirror'] = array_merge( 3942 $settings['codemirror'], 3943 array( 3944 'mode' => 'nginx', 3945 ) 3946 ); 3947 } elseif ( 'application/x-httpd-php' === $type ) { 3948 $settings['codemirror'] = array_merge( 3949 $settings['codemirror'], 3950 array( 3951 'mode' => 'php', 3952 'autoCloseBrackets' => true, 3953 'autoCloseTags' => true, 3954 'matchBrackets' => true, 3955 'matchTags' => array( 3956 'bothTags' => true, 3957 ), 3958 ) 3959 ); 3960 } elseif ( 'text/x-sql' === $type || 'text/x-mysql' === $type ) { 3961 $settings['codemirror'] = array_merge( 3962 $settings['codemirror'], 3963 array( 3964 'mode' => 'sql', 3965 'autoCloseBrackets' => true, 3966 'matchBrackets' => true, 3967 ) 3968 ); 3969 } elseif ( false !== strpos( $type, 'xml' ) ) { 3970 $settings['codemirror'] = array_merge( 3971 $settings['codemirror'], 3972 array( 3973 'mode' => 'xml', 3974 'autoCloseBrackets' => true, 3975 'autoCloseTags' => true, 3976 'matchTags' => array( 3977 'bothTags' => true, 3978 ), 3979 ) 3980 ); 3981 } elseif ( 'text/x-yaml' === $type ) { 3982 $settings['codemirror'] = array_merge( 3983 $settings['codemirror'], 3984 array( 3985 'mode' => 'yaml', 3986 ) 3987 ); 3988 } else { 3989 $settings['codemirror']['mode'] = $type; 3990 } 3991 3992 if ( ! empty( $settings['codemirror']['lint'] ) ) { 3993 $settings['codemirror']['gutters'][] = 'CodeMirror-lint-markers'; 3994 } 3995 3996 // Let settings supplied via args override any defaults. 3997 foreach ( wp_array_slice_assoc( $args, array( 'codemirror', 'csslint', 'jshint', 'htmlhint' ) ) as $key => $value ) { 3998 $settings[ $key ] = array_merge( 3999 $settings[ $key ], 4000 $value 4001 ); 4002 } 4003 4004 /** 4005 * Filters settings that are passed into the code editor. 4006 * 4007 * Returning a falsey value will disable the syntax-highlighting code editor. 4008 * 4009 * @since 4.9.0 4010 * 4011 * @param array $settings The array of settings passed to the code editor. 4012 * A falsey value disables the editor. 4013 * @param array $args { 4014 * Args passed when calling `get_code_editor_settings()`. 4015 * 4016 * @type string $type The MIME type of the file to be edited. 4017 * @type string $file Filename being edited. 4018 * @type WP_Theme $theme Theme being edited when on the theme file editor. 4019 * @type string $plugin Plugin being edited when on the plugin file editor. 4020 * @type array $codemirror Additional CodeMirror setting overrides. 4021 * @type array $csslint CSSLint rule overrides. 4022 * @type array $jshint JSHint rule overrides. 4023 * @type array $htmlhint HTMLHint rule overrides. 4024 * } 4025 */ 4026 return apply_filters( 'wp_code_editor_settings', $settings, $args ); 4027 } 4028 4029 /** 4030 * Retrieves the contents of the search WordPress query variable. 4031 * 4032 * The search query string is passed through esc_attr() to ensure that it is safe 4033 * for placing in an HTML attribute. 4034 * 4035 * @since 2.3.0 4036 * 4037 * @param bool $escaped Whether the result is escaped. Default true. 4038 * Only use when you are later escaping it. Do not use unescaped. 4039 * @return string 4040 */ 4041 function get_search_query( $escaped = true ) { 4042 /** 4043 * Filters the contents of the search query variable. 4044 * 4045 * @since 2.3.0 4046 * 4047 * @param mixed $search Contents of the search query variable. 4048 */ 4049 $query = apply_filters( 'get_search_query', get_query_var( 's' ) ); 4050 4051 if ( $escaped ) { 4052 $query = esc_attr( $query ); 4053 } 4054 return $query; 4055 } 4056 4057 /** 4058 * Displays the contents of the search query variable. 4059 * 4060 * The search query string is passed through esc_attr() to ensure that it is safe 4061 * for placing in an HTML attribute. 4062 * 4063 * @since 2.1.0 4064 */ 4065 function the_search_query() { 4066 /** 4067 * Filters the contents of the search query variable for display. 4068 * 4069 * @since 2.3.0 4070 * 4071 * @param mixed $search Contents of the search query variable. 4072 */ 4073 echo esc_attr( apply_filters( 'the_search_query', get_search_query( false ) ) ); 4074 } 4075 4076 /** 4077 * Gets the language attributes for the 'html' tag. 4078 * 4079 * Builds up a set of HTML attributes containing the text direction and language 4080 * information for the page. 4081 * 4082 * @since 4.3.0 4083 * 4084 * @param string $doctype Optional. The type of HTML document. Accepts 'xhtml' or 'html'. Default 'html'. 4085 */ 4086 function get_language_attributes( $doctype = 'html' ) { 4087 $attributes = array(); 4088 4089 if ( function_exists( 'is_rtl' ) && is_rtl() ) { 4090 $attributes[] = 'dir="rtl"'; 4091 } 4092 4093 $lang = get_bloginfo( 'language' ); 4094 if ( $lang ) { 4095 if ( 'text/html' === get_option( 'html_type' ) || 'html' === $doctype ) { 4096 $attributes[] = 'lang="' . esc_attr( $lang ) . '"'; 4097 } 4098 4099 if ( 'text/html' !== get_option( 'html_type' ) || 'xhtml' === $doctype ) { 4100 $attributes[] = 'xml:lang="' . esc_attr( $lang ) . '"'; 4101 } 4102 } 4103 4104 $output = implode( ' ', $attributes ); 4105 4106 /** 4107 * Filters the language attributes for display in the 'html' tag. 4108 * 4109 * @since 2.5.0 4110 * @since 4.3.0 Added the `$doctype` parameter. 4111 * 4112 * @param string $output A space-separated list of language attributes. 4113 * @param string $doctype The type of HTML document (xhtml|html). 4114 */ 4115 return apply_filters( 'language_attributes', $output, $doctype ); 4116 } 4117 4118 /** 4119 * Displays the language attributes for the 'html' tag. 4120 * 4121 * Builds up a set of HTML attributes containing the text direction and language 4122 * information for the page. 4123 * 4124 * @since 2.1.0 4125 * @since 4.3.0 Converted into a wrapper for get_language_attributes(). 4126 * 4127 * @param string $doctype Optional. The type of HTML document. Accepts 'xhtml' or 'html'. Default 'html'. 4128 */ 4129 function language_attributes( $doctype = 'html' ) { 4130 echo get_language_attributes( $doctype ); 4131 } 4132 4133 /** 4134 * Retrieves paginated links for archive post pages. 4135 * 4136 * Technically, the function can be used to create paginated link list for any 4137 * area. The 'base' argument is used to reference the url, which will be used to 4138 * create the paginated links. The 'format' argument is then used for replacing 4139 * the page number. It is however, most likely and by default, to be used on the 4140 * archive post pages. 4141 * 4142 * The 'type' argument controls format of the returned value. The default is 4143 * 'plain', which is just a string with the links separated by a newline 4144 * character. The other possible values are either 'array' or 'list'. The 4145 * 'array' value will return an array of the paginated link list to offer full 4146 * control of display. The 'list' value will place all of the paginated links in 4147 * an unordered HTML list. 4148 * 4149 * The 'total' argument is the total amount of pages and is an integer. The 4150 * 'current' argument is the current page number and is also an integer. 4151 * 4152 * An example of the 'base' argument is "http://example.com/all_posts.php%_%" 4153 * and the '%_%' is required. The '%_%' will be replaced by the contents of in 4154 * the 'format' argument. An example for the 'format' argument is "?page=%#%" 4155 * and the '%#%' is also required. The '%#%' will be replaced with the page 4156 * number. 4157 * 4158 * You can include the previous and next links in the list by setting the 4159 * 'prev_next' argument to true, which it is by default. You can set the 4160 * previous text, by using the 'prev_text' argument. You can set the next text 4161 * by setting the 'next_text' argument. 4162 * 4163 * If the 'show_all' argument is set to true, then it will show all of the pages 4164 * instead of a short list of the pages near the current page. By default, the 4165 * 'show_all' is set to false and controlled by the 'end_size' and 'mid_size' 4166 * arguments. The 'end_size' argument is how many numbers on either the start 4167 * and the end list edges, by default is 1. The 'mid_size' argument is how many 4168 * numbers to either side of current page, but not including current page. 4169 * 4170 * It is possible to add query vars to the link by using the 'add_args' argument 4171 * and see add_query_arg() for more information. 4172 * 4173 * The 'before_page_number' and 'after_page_number' arguments allow users to 4174 * augment the links themselves. Typically this might be to add context to the 4175 * numbered links so that screen reader users understand what the links are for. 4176 * The text strings are added before and after the page number - within the 4177 * anchor tag. 4178 * 4179 * @since 2.1.0 4180 * @since 4.9.0 Added the `aria_current` argument. 4181 * 4182 * @global WP_Query $wp_query WordPress Query object. 4183 * @global WP_Rewrite $wp_rewrite WordPress rewrite component. 4184 * 4185 * @param string|array $args { 4186 * Optional. Array or string of arguments for generating paginated links for archives. 4187 * 4188 * @type string $base Base of the paginated url. Default empty. 4189 * @type string $format Format for the pagination structure. Default empty. 4190 * @type int $total The total amount of pages. Default is the value WP_Query's 4191 * `max_num_pages` or 1. 4192 * @type int $current The current page number. Default is 'paged' query var or 1. 4193 * @type string $aria_current The value for the aria-current attribute. Possible values are 'page', 4194 * 'step', 'location', 'date', 'time', 'true', 'false'. Default is 'page'. 4195 * @type bool $show_all Whether to show all pages. Default false. 4196 * @type int $end_size How many numbers on either the start and the end list edges. 4197 * Default 1. 4198 * @type int $mid_size How many numbers to either side of the current pages. Default 2. 4199 * @type bool $prev_next Whether to include the previous and next links in the list. Default true. 4200 * @type bool $prev_text The previous page text. Default '« Previous'. 4201 * @type bool $next_text The next page text. Default 'Next »'. 4202 * @type string $type Controls format of the returned value. Possible values are 'plain', 4203 * 'array' and 'list'. Default is 'plain'. 4204 * @type array $add_args An array of query args to add. Default false. 4205 * @type string $add_fragment A string to append to each link. Default empty. 4206 * @type string $before_page_number A string to appear before the page number. Default empty. 4207 * @type string $after_page_number A string to append after the page number. Default empty. 4208 * } 4209 * @return string|array|void String of page links or array of page links, depending on 'type' argument. 4210 * Void if total number of pages is less than 2. 4211 */ 4212 function paginate_links( $args = '' ) { 4213 global $wp_query, $wp_rewrite; 4214 4215 // Setting up default values based on the current URL. 4216 $pagenum_link = html_entity_decode( get_pagenum_link() ); 4217 $url_parts = explode( '?', $pagenum_link ); 4218 4219 // Get max pages and current page out of the current query, if available. 4220 $total = isset( $wp_query->max_num_pages ) ? $wp_query->max_num_pages : 1; 4221 $current = get_query_var( 'paged' ) ? (int) get_query_var( 'paged' ) : 1; 4222 4223 // Append the format placeholder to the base URL. 4224 $pagenum_link = trailingslashit( $url_parts[0] ) . '%_%'; 4225 4226 // URL base depends on permalink settings. 4227 $format = $wp_rewrite->using_index_permalinks() && ! strpos( $pagenum_link, 'index.php' ) ? 'index.php/' : ''; 4228 $format .= $wp_rewrite->using_permalinks() ? user_trailingslashit( $wp_rewrite->pagination_base . '/%#%', 'paged' ) : '?paged=%#%'; 4229 4230 $defaults = array( 4231 'base' => $pagenum_link, // http://example.com/all_posts.php%_% : %_% is replaced by format (below). 4232 'format' => $format, // ?page=%#% : %#% is replaced by the page number. 4233 'total' => $total, 4234 'current' => $current, 4235 'aria_current' => 'page', 4236 'show_all' => false, 4237 'prev_next' => true, 4238 'prev_text' => __( '« Previous' ), 4239 'next_text' => __( 'Next »' ), 4240 'end_size' => 1, 4241 'mid_size' => 2, 4242 'type' => 'plain', 4243 'add_args' => array(), // Array of query args to add. 4244 'add_fragment' => '', 4245 'before_page_number' => '', 4246 'after_page_number' => '', 4247 ); 4248 4249 $args = wp_parse_args( $args, $defaults ); 4250 4251 if ( ! is_array( $args['add_args'] ) ) { 4252 $args['add_args'] = array(); 4253 } 4254 4255 // Merge additional query vars found in the original URL into 'add_args' array. 4256 if ( isset( $url_parts[1] ) ) { 4257 // Find the format argument. 4258 $format = explode( '?', str_replace( '%_%', $args['format'], $args['base'] ) ); 4259 $format_query = isset( $format[1] ) ? $format[1] : ''; 4260 wp_parse_str( $format_query, $format_args ); 4261 4262 // Find the query args of the requested URL. 4263 wp_parse_str( $url_parts[1], $url_query_args ); 4264 4265 // Remove the format argument from the array of query arguments, to avoid overwriting custom format. 4266 foreach ( $format_args as $format_arg => $format_arg_value ) { 4267 unset( $url_query_args[ $format_arg ] ); 4268 } 4269 4270 $args['add_args'] = array_merge( $args['add_args'], urlencode_deep( $url_query_args ) ); 4271 } 4272 4273 // Who knows what else people pass in $args. 4274 $total = (int) $args['total']; 4275 if ( $total < 2 ) { 4276 return; 4277 } 4278 $current = (int) $args['current']; 4279 $end_size = (int) $args['end_size']; // Out of bounds? Make it the default. 4280 if ( $end_size < 1 ) { 4281 $end_size = 1; 4282 } 4283 $mid_size = (int) $args['mid_size']; 4284 if ( $mid_size < 0 ) { 4285 $mid_size = 2; 4286 } 4287 4288 $add_args = $args['add_args']; 4289 $r = ''; 4290 $page_links = array(); 4291 $dots = false; 4292 4293 if ( $args['prev_next'] && $current && 1 < $current ) : 4294 $link = str_replace( '%_%', 2 == $current ? '' : $args['format'], $args['base'] ); 4295 $link = str_replace( '%#%', $current - 1, $link ); 4296 if ( $add_args ) { 4297 $link = add_query_arg( $add_args, $link ); 4298 } 4299 $link .= $args['add_fragment']; 4300 4301 $page_links[] = sprintf( 4302 '<a class="prev page-numbers" href="%s">%s</a>', 4303 /** 4304 * Filters the paginated links for the given archive pages. 4305 * 4306 * @since 3.0.0 4307 * 4308 * @param string $link The paginated link URL. 4309 */ 4310 esc_url( apply_filters( 'paginate_links', $link ) ), 4311 $args['prev_text'] 4312 ); 4313 endif; 4314 4315 for ( $n = 1; $n <= $total; $n++ ) : 4316 if ( $n == $current ) : 4317 $page_links[] = sprintf( 4318 '<span aria-current="%s" class="page-numbers current">%s</span>', 4319 esc_attr( $args['aria_current'] ), 4320 $args['before_page_number'] . number_format_i18n( $n ) . $args['after_page_number'] 4321 ); 4322 4323 $dots = true; 4324 else : 4325 if ( $args['show_all'] || ( $n <= $end_size || ( $current && $n >= $current - $mid_size && $n <= $current + $mid_size ) || $n > $total - $end_size ) ) : 4326 $link = str_replace( '%_%', 1 == $n ? '' : $args['format'], $args['base'] ); 4327 $link = str_replace( '%#%', $n, $link ); 4328 if ( $add_args ) { 4329 $link = add_query_arg( $add_args, $link ); 4330 } 4331 $link .= $args['add_fragment']; 4332 4333 $page_links[] = sprintf( 4334 '<a class="page-numbers" href="%s">%s</a>', 4335 /** This filter is documented in wp-includes/general-template.php */ 4336 esc_url( apply_filters( 'paginate_links', $link ) ), 4337 $args['before_page_number'] . number_format_i18n( $n ) . $args['after_page_number'] 4338 ); 4339 4340 $dots = true; 4341 elseif ( $dots && ! $args['show_all'] ) : 4342 $page_links[] = '<span class="page-numbers dots">' . __( '…' ) . '</span>'; 4343 4344 $dots = false; 4345 endif; 4346 endif; 4347 endfor; 4348 4349 if ( $args['prev_next'] && $current && $current < $total ) : 4350 $link = str_replace( '%_%', $args['format'], $args['base'] ); 4351 $link = str_replace( '%#%', $current + 1, $link ); 4352 if ( $add_args ) { 4353 $link = add_query_arg( $add_args, $link ); 4354 } 4355 $link .= $args['add_fragment']; 4356 4357 $page_links[] = sprintf( 4358 '<a class="next page-numbers" href="%s">%s</a>', 4359 /** This filter is documented in wp-includes/general-template.php */ 4360 esc_url( apply_filters( 'paginate_links', $link ) ), 4361 $args['next_text'] 4362 ); 4363 endif; 4364 4365 switch ( $args['type'] ) { 4366 case 'array': 4367 return $page_links; 4368 4369 case 'list': 4370 $r .= "<ul class='page-numbers'>\n\t<li>"; 4371 $r .= implode( "</li>\n\t<li>", $page_links ); 4372 $r .= "</li>\n</ul>\n"; 4373 break; 4374 4375 default: 4376 $r = implode( "\n", $page_links ); 4377 break; 4378 } 4379 4380 /** 4381 * Filters the HTML output of paginated links for archives. 4382 * 4383 * @since 5.7.0 4384 * 4385 * @param string $r HTML output. 4386 * @param array $args An array of arguments. See paginate_links() 4387 * for information on accepted arguments. 4388 */ 4389 $r = apply_filters( 'paginate_links_output', $r, $args ); 4390 4391 return $r; 4392 } 4393 4394 /** 4395 * Registers an admin color scheme css file. 4396 * 4397 * Allows a plugin to register a new admin color scheme. For example: 4398 * 4399 * wp_admin_css_color( 'classic', __( 'Classic' ), admin_url( "css/colors-classic.css" ), array( 4400 * '#07273E', '#14568A', '#D54E21', '#2683AE' 4401 * ) ); 4402 * 4403 * @since 2.5.0 4404 * 4405 * @global array $_wp_admin_css_colors 4406 * 4407 * @param string $key The unique key for this theme. 4408 * @param string $name The name of the theme. 4409 * @param string $url The URL of the CSS file containing the color scheme. 4410 * @param array $colors Optional. An array of CSS color definition strings which are used 4411 * to give the user a feel for the theme. 4412 * @param array $icons { 4413 * Optional. CSS color definitions used to color any SVG icons. 4414 * 4415 * @type string $base SVG icon base color. 4416 * @type string $focus SVG icon color on focus. 4417 * @type string $current SVG icon color of current admin menu link. 4418 * } 4419 */ 4420 function wp_admin_css_color( $key, $name, $url, $colors = array(), $icons = array() ) { 4421 global $_wp_admin_css_colors; 4422 4423 if ( ! isset( $_wp_admin_css_colors ) ) { 4424 $_wp_admin_css_colors = array(); 4425 } 4426 4427 $_wp_admin_css_colors[ $key ] = (object) array( 4428 'name' => $name, 4429 'url' => $url, 4430 'colors' => $colors, 4431 'icon_colors' => $icons, 4432 ); 4433 } 4434 4435 /** 4436 * Registers the default admin color schemes. 4437 * 4438 * Registers the initial set of eight color schemes in the Profile section 4439 * of the dashboard which allows for styling the admin menu and toolbar. 4440 * 4441 * @see wp_admin_css_color() 4442 * 4443 * @since 3.0.0 4444 */ 4445 function register_admin_color_schemes() { 4446 $suffix = is_rtl() ? '-rtl' : ''; 4447 $suffix .= SCRIPT_DEBUG ? '' : '.min'; 4448 4449 wp_admin_css_color( 4450 'fresh', 4451 _x( 'Default', 'admin color scheme' ), 4452 false, 4453 array( '#1d2327', '#2c3338', '#2271b1', '#72aee6' ), 4454 array( 4455 'base' => '#a7aaad', 4456 'focus' => '#72aee6', 4457 'current' => '#fff', 4458 ) 4459 ); 4460 4461 wp_admin_css_color( 4462 'light', 4463 _x( 'Light', 'admin color scheme' ), 4464 admin_url( "css/colors/light/colors$suffix.css" ), 4465 array( '#e5e5e5', '#999', '#d64e07', '#04a4cc' ), 4466 array( 4467 'base' => '#999', 4468 'focus' => '#ccc', 4469 'current' => '#ccc', 4470 ) 4471 ); 4472 4473 wp_admin_css_color( 4474 'modern', 4475 _x( 'Modern', 'admin color scheme' ), 4476 admin_url( "css/colors/modern/colors$suffix.css" ), 4477 array( '#1e1e1e', '#3858e9', '#33f078' ), 4478 array( 4479 'base' => '#f3f1f1', 4480 'focus' => '#fff', 4481 'current' => '#fff', 4482 ) 4483 ); 4484 4485 wp_admin_css_color( 4486 'blue', 4487 _x( 'Blue', 'admin color scheme' ), 4488 admin_url( "css/colors/blue/colors$suffix.css" ), 4489 array( '#096484', '#4796b3', '#52accc', '#74B6CE' ), 4490 array( 4491 'base' => '#e5f8ff', 4492 'focus' => '#fff', 4493 'current' => '#fff', 4494 ) 4495 ); 4496 4497 wp_admin_css_color( 4498 'midnight', 4499 _x( 'Midnight', 'admin color scheme' ), 4500 admin_url( "css/colors/midnight/colors$suffix.css" ), 4501 array( '#25282b', '#363b3f', '#69a8bb', '#e14d43' ), 4502 array( 4503 'base' => '#f1f2f3', 4504 'focus' => '#fff', 4505 'current' => '#fff', 4506 ) 4507 ); 4508 4509 wp_admin_css_color( 4510 'sunrise', 4511 _x( 'Sunrise', 'admin color scheme' ), 4512 admin_url( "css/colors/sunrise/colors$suffix.css" ), 4513 array( '#b43c38', '#cf4944', '#dd823b', '#ccaf0b' ), 4514 array( 4515 'base' => '#f3f1f1', 4516 'focus' => '#fff', 4517 'current' => '#fff', 4518 ) 4519 ); 4520 4521 wp_admin_css_color( 4522 'ectoplasm', 4523 _x( 'Ectoplasm', 'admin color scheme' ), 4524 admin_url( "css/colors/ectoplasm/colors$suffix.css" ), 4525 array( '#413256', '#523f6d', '#a3b745', '#d46f15' ), 4526 array( 4527 'base' => '#ece6f6', 4528 'focus' => '#fff', 4529 'current' => '#fff', 4530 ) 4531 ); 4532 4533 wp_admin_css_color( 4534 'ocean', 4535 _x( 'Ocean', 'admin color scheme' ), 4536 admin_url( "css/colors/ocean/colors$suffix.css" ), 4537 array( '#627c83', '#738e96', '#9ebaa0', '#aa9d88' ), 4538 array( 4539 'base' => '#f2fcff', 4540 'focus' => '#fff', 4541 'current' => '#fff', 4542 ) 4543 ); 4544 4545 wp_admin_css_color( 4546 'coffee', 4547 _x( 'Coffee', 'admin color scheme' ), 4548 admin_url( "css/colors/coffee/colors$suffix.css" ), 4549 array( '#46403c', '#59524c', '#c7a589', '#9ea476' ), 4550 array( 4551 'base' => '#f3f2f1', 4552 'focus' => '#fff', 4553 'current' => '#fff', 4554 ) 4555 ); 4556 4557 } 4558 4559 /** 4560 * Displays the URL of a WordPress admin CSS file. 4561 * 4562 * @see WP_Styles::_css_href and its {@see 'style_loader_src'} filter. 4563 * 4564 * @since 2.3.0 4565 * 4566 * @param string $file file relative to wp-admin/ without its ".css" extension. 4567 * @return string 4568 */ 4569 function wp_admin_css_uri( $file = 'wp-admin' ) { 4570 if ( defined( 'WP_INSTALLING' ) ) { 4571 $_file = "./$file.css"; 4572 } else { 4573 $_file = admin_url( "$file.css" ); 4574 } 4575 $_file = add_query_arg( 'version', get_bloginfo( 'version' ), $_file ); 4576 4577 /** 4578 * Filters the URI of a WordPress admin CSS file. 4579 * 4580 * @since 2.3.0 4581 * 4582 * @param string $_file Relative path to the file with query arguments attached. 4583 * @param string $file Relative path to the file, minus its ".css" extension. 4584 */ 4585 return apply_filters( 'wp_admin_css_uri', $_file, $file ); 4586 } 4587 4588 /** 4589 * Enqueues or directly prints a stylesheet link to the specified CSS file. 4590 * 4591 * "Intelligently" decides to enqueue or to print the CSS file. If the 4592 * {@see 'wp_print_styles'} action has *not* yet been called, the CSS file will be 4593 * enqueued. If the {@see 'wp_print_styles'} action has been called, the CSS link will 4594 * be printed. Printing may be forced by passing true as the $force_echo 4595 * (second) parameter. 4596 * 4597 * For backward compatibility with WordPress 2.3 calling method: If the $file 4598 * (first) parameter does not correspond to a registered CSS file, we assume 4599 * $file is a file relative to wp-admin/ without its ".css" extension. A 4600 * stylesheet link to that generated URL is printed. 4601 * 4602 * @since 2.3.0 4603 * 4604 * @param string $file Optional. Style handle name or file name (without ".css" extension) relative 4605 * to wp-admin/. Defaults to 'wp-admin'. 4606 * @param bool $force_echo Optional. Force the stylesheet link to be printed rather than enqueued. 4607 */ 4608 function wp_admin_css( $file = 'wp-admin', $force_echo = false ) { 4609 // For backward compatibility. 4610 $handle = 0 === strpos( $file, 'css/' ) ? substr( $file, 4 ) : $file; 4611 4612 if ( wp_styles()->query( $handle ) ) { 4613 if ( $force_echo || did_action( 'wp_print_styles' ) ) { 4614 // We already printed the style queue. Print this one immediately. 4615 wp_print_styles( $handle ); 4616 } else { 4617 // Add to style queue. 4618 wp_enqueue_style( $handle ); 4619 } 4620 return; 4621 } 4622 4623 $stylesheet_link = sprintf( 4624 "<link rel='stylesheet' href='%s' type='text/css' />\n", 4625 esc_url( wp_admin_css_uri( $file ) ) 4626 ); 4627 4628 /** 4629 * Filters the stylesheet link to the specified CSS file. 4630 * 4631 * If the site is set to display right-to-left, the RTL stylesheet link 4632 * will be used instead. 4633 * 4634 * @since 2.3.0 4635 * @param string $stylesheet_link HTML link element for the stylesheet. 4636 * @param string $file Style handle name or filename (without ".css" extension) 4637 * relative to wp-admin/. Defaults to 'wp-admin'. 4638 */ 4639 echo apply_filters( 'wp_admin_css', $stylesheet_link, $file ); 4640 4641 if ( function_exists( 'is_rtl' ) && is_rtl() ) { 4642 $rtl_stylesheet_link = sprintf( 4643 "<link rel='stylesheet' href='%s' type='text/css' />\n", 4644 esc_url( wp_admin_css_uri( "$file-rtl" ) ) 4645 ); 4646 4647 /** This filter is documented in wp-includes/general-template.php */ 4648 echo apply_filters( 'wp_admin_css', $rtl_stylesheet_link, "$file-rtl" ); 4649 } 4650 } 4651 4652 /** 4653 * Enqueues the default ThickBox js and css. 4654 * 4655 * If any of the settings need to be changed, this can be done with another js 4656 * file similar to media-upload.js. That file should 4657 * require array('thickbox') to ensure it is loaded after. 4658 * 4659 * @since 2.5.0 4660 */ 4661 function add_thickbox() { 4662 wp_enqueue_script( 'thickbox' ); 4663 wp_enqueue_style( 'thickbox' ); 4664 4665 if ( is_network_admin() ) { 4666 add_action( 'admin_head', '_thickbox_path_admin_subfolder' ); 4667 } 4668 } 4669 4670 /** 4671 * Displays the XHTML generator that is generated on the wp_head hook. 4672 * 4673 * See {@see 'wp_head'}. 4674 * 4675 * @since 2.5.0 4676 */ 4677 function wp_generator() { 4678 /** 4679 * Filters the output of the XHTML generator tag. 4680 * 4681 * @since 2.5.0 4682 * 4683 * @param string $generator_type The XHTML generator. 4684 */ 4685 the_generator( apply_filters( 'wp_generator_type', 'xhtml' ) ); 4686 } 4687 4688 /** 4689 * Display the generator XML or Comment for RSS, ATOM, etc. 4690 * 4691 * Returns the correct generator type for the requested output format. Allows 4692 * for a plugin to filter generators overall the {@see 'the_generator'} filter. 4693 * 4694 * @since 2.5.0 4695 * 4696 * @param string $type The type of generator to output - (html|xhtml|atom|rss2|rdf|comment|export). 4697 */ 4698 function the_generator( $type ) { 4699 /** 4700 * Filters the output of the XHTML generator tag for display. 4701 * 4702 * @since 2.5.0 4703 * 4704 * @param string $generator_type The generator output. 4705 * @param string $type The type of generator to output. Accepts 'html', 4706 * 'xhtml', 'atom', 'rss2', 'rdf', 'comment', 'export'. 4707 */ 4708 echo apply_filters( 'the_generator', get_the_generator( $type ), $type ) . "\n"; 4709 } 4710 4711 /** 4712 * Creates the generator XML or Comment for RSS, ATOM, etc. 4713 * 4714 * Returns the correct generator type for the requested output format. Allows 4715 * for a plugin to filter generators on an individual basis using the 4716 * {@see 'get_the_generator_$type'} filter. 4717 * 4718 * @since 2.5.0 4719 * 4720 * @param string $type The type of generator to return - (html|xhtml|atom|rss2|rdf|comment|export). 4721 * @return string|void The HTML content for the generator. 4722 */ 4723 function get_the_generator( $type = '' ) { 4724 if ( empty( $type ) ) { 4725 4726 $current_filter = current_filter(); 4727 if ( empty( $current_filter ) ) { 4728 return; 4729 } 4730 4731 switch ( $current_filter ) { 4732 case 'rss2_head': 4733 case 'commentsrss2_head': 4734 $type = 'rss2'; 4735 break; 4736 case 'rss_head': 4737 case 'opml_head': 4738 $type = 'comment'; 4739 break; 4740 case 'rdf_header': 4741 $type = 'rdf'; 4742 break; 4743 case 'atom_head': 4744 case 'comments_atom_head': 4745 case 'app_head': 4746 $type = 'atom'; 4747 break; 4748 } 4749 } 4750 4751 switch ( $type ) { 4752 case 'html': 4753 $gen = '<meta name="generator" content="WordPress ' . esc_attr( get_bloginfo( 'version' ) ) . '">'; 4754 break; 4755 case 'xhtml': 4756 $gen = '<meta name="generator" content="WordPress ' . esc_attr( get_bloginfo( 'version' ) ) . '" />'; 4757 break; 4758 case 'atom': 4759 $gen = '<generator uri="https://wordpress.org/" version="' . esc_attr( get_bloginfo_rss( 'version' ) ) . '">WordPress</generator>'; 4760 break; 4761 case 'rss2': 4762 $gen = '<generator>' . esc_url_raw( 'https://wordpress.org/?v=' . get_bloginfo_rss( 'version' ) ) . '</generator>'; 4763 break; 4764 case 'rdf': 4765 $gen = '<admin:generatorAgent rdf:resource="' . esc_url_raw( 'https://wordpress.org/?v=' . get_bloginfo_rss( 'version' ) ) . '" />'; 4766 break; 4767 case 'comment': 4768 $gen = '<!-- generator="WordPress/' . esc_attr( get_bloginfo( 'version' ) ) . '" -->'; 4769 break; 4770 case 'export': 4771 $gen = '<!-- generator="WordPress/' . esc_attr( get_bloginfo_rss( 'version' ) ) . '" created="' . gmdate( 'Y-m-d H:i' ) . '" -->'; 4772 break; 4773 } 4774 4775 /** 4776 * Filters the HTML for the retrieved generator type. 4777 * 4778 * The dynamic portion of the hook name, `$type`, refers to the generator type. 4779 * 4780 * Possible hook names include: 4781 * 4782 * - `get_the_generator_atom` 4783 * - `get_the_generator_comment` 4784 * - `get_the_generator_export` 4785 * - `get_the_generator_html` 4786 * - `get_the_generator_rdf` 4787 * - `get_the_generator_rss2` 4788 * - `get_the_generator_xhtml` 4789 * 4790 * @since 2.5.0 4791 * 4792 * @param string $gen The HTML markup output to wp_head(). 4793 * @param string $type The type of generator. Accepts 'html', 'xhtml', 'atom', 4794 * 'rss2', 'rdf', 'comment', 'export'. 4795 */ 4796 return apply_filters( "get_the_generator_{$type}", $gen, $type ); 4797 } 4798 4799 /** 4800 * Outputs the HTML checked attribute. 4801 * 4802 * Compares the first two arguments and if identical marks as checked. 4803 * 4804 * @since 1.0.0 4805 * 4806 * @param mixed $checked One of the values to compare. 4807 * @param mixed $current Optional. The other value to compare if not just true. 4808 * Default true. 4809 * @param bool $echo Optional. Whether to echo or just return the string. 4810 * Default true. 4811 * @return string HTML attribute or empty string. 4812 */ 4813 function checked( $checked, $current = true, $echo = true ) { 4814 return __checked_selected_helper( $checked, $current, $echo, 'checked' ); 4815 } 4816 4817 /** 4818 * Outputs the HTML selected attribute. 4819 * 4820 * Compares the first two arguments and if identical marks as selected. 4821 * 4822 * @since 1.0.0 4823 * 4824 * @param mixed $selected One of the values to compare. 4825 * @param mixed $current Optional. The other value to compare if not just true. 4826 * Default true. 4827 * @param bool $echo Optional. Whether to echo or just return the string. 4828 * Default true. 4829 * @return string HTML attribute or empty string. 4830 */ 4831 function selected( $selected, $current = true, $echo = true ) { 4832 return __checked_selected_helper( $selected, $current, $echo, 'selected' ); 4833 } 4834 4835 /** 4836 * Outputs the HTML disabled attribute. 4837 * 4838 * Compares the first two arguments and if identical marks as disabled. 4839 * 4840 * @since 3.0.0 4841 * 4842 * @param mixed $disabled One of the values to compare. 4843 * @param mixed $current Optional. The other value to compare if not just true. 4844 * Default true. 4845 * @param bool $echo Optional. Whether to echo or just return the string. 4846 * Default true. 4847 * @return string HTML attribute or empty string. 4848 */ 4849 function disabled( $disabled, $current = true, $echo = true ) { 4850 return __checked_selected_helper( $disabled, $current, $echo, 'disabled' ); 4851 } 4852 4853 /** 4854 * Outputs the HTML readonly attribute. 4855 * 4856 * Compares the first two arguments and if identical marks as readonly. 4857 * 4858 * @since 5.9.0 4859 * 4860 * @param mixed $readonly One of the values to compare. 4861 * @param mixed $current Optional. The other value to compare if not just true. 4862 * Default true. 4863 * @param bool $echo Optional. Whether to echo or just return the string. 4864 * Default true. 4865 * @return string HTML attribute or empty string. 4866 */ 4867 function wp_readonly( $readonly, $current = true, $echo = true ) { 4868 return __checked_selected_helper( $readonly, $current, $echo, 'readonly' ); 4869 } 4870 4871 /* 4872 * Include a compat `readonly()` function on PHP < 8.1. Since PHP 8.1, 4873 * `readonly` is a reserved keyword and cannot be used as a function name. 4874 * In order to avoid PHP parser errors, this function was extracted 4875 * to a separate file and is only included conditionally on PHP < 8.1. 4876 */ 4877 if ( PHP_VERSION_ID < 80100 ) { 4878 require_once __DIR__ . '/php-compat/readonly.php'; 4879 } 4880 4881 /** 4882 * Private helper function for checked, selected, disabled and readonly. 4883 * 4884 * Compares the first two arguments and if identical marks as `$type`. 4885 * 4886 * @since 2.8.0 4887 * @access private 4888 * 4889 * @param mixed $helper One of the values to compare. 4890 * @param mixed $current The other value to compare if not just true. 4891 * @param bool $echo Whether to echo or just return the string. 4892 * @param string $type The type of checked|selected|disabled|readonly we are doing. 4893 * @return string HTML attribute or empty string. 4894 */ 4895 function __checked_selected_helper( $helper, $current, $echo, $type ) { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionDoubleUnderscore,PHPCompatibility.FunctionNameRestrictions.ReservedFunctionNames.FunctionDoubleUnderscore 4896 if ( (string) $helper === (string) $current ) { 4897 $result = " $type='$type'"; 4898 } else { 4899 $result = ''; 4900 } 4901 4902 if ( $echo ) { 4903 echo $result; 4904 } 4905 4906 return $result; 4907 } 4908 4909 /** 4910 * Default settings for heartbeat 4911 * 4912 * Outputs the nonce used in the heartbeat XHR 4913 * 4914 * @since 3.6.0 4915 * 4916 * @param array $settings 4917 * @return array Heartbeat settings. 4918 */ 4919 function wp_heartbeat_settings( $settings ) { 4920 if ( ! is_admin() ) { 4921 $settings['ajaxurl'] = admin_url( 'admin-ajax.php', 'relative' ); 4922 } 4923 4924 if ( is_user_logged_in() ) { 4925 $settings['nonce'] = wp_create_nonce( 'heartbeat-nonce' ); 4926 } 4927 4928 return $settings; 4929 }
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