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PHP Cross Reference of BuddyPress |
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1 <?php 2 /** 3 * BuddyPress Filters. 4 * 5 * This file contains the filters that are used throughout BuddyPress. They are 6 * consolidated here to make searching for them easier, and to help developers 7 * understand at a glance the order in which things occur. 8 * 9 * There are a few common places that additional filters can currently be found. 10 * 11 * - BuddyPress: In {@link BuddyPress::setup_actions()} in buddypress.php 12 * - Component: In {@link BP_Component::setup_actions()} in 13 * bp-core/bp-core-component.php 14 * - Admin: More in {@link BP_Admin::setup_actions()} in 15 * bp-core/bp-core-admin.php 16 * 17 * @package BuddyPress 18 * @subpackage Core 19 * @since 1.5.0 20 * 21 * @see bp-core-actions.php 22 */ 23 24 // Exit if accessed directly. 25 defined( 'ABSPATH' ) || exit; 26 27 /** 28 * Attach BuddyPress to WordPress. 29 * 30 * BuddyPress uses its own internal actions to help aid in third-party plugin 31 * development, and to limit the amount of potential future code changes when 32 * updates to WordPress core occur. 33 * 34 * These actions exist to create the concept of 'plugin dependencies'. They 35 * provide a safe way for plugins to execute code *only* when BuddyPress is 36 * installed and activated, without needing to do complicated guesswork. 37 * 38 * For more information on how this works, see the 'Plugin Dependency' section 39 * near the bottom of this file. 40 * 41 * v--WordPress Actions v--BuddyPress Sub-actions 42 */ 43 add_filter( 'request', 'bp_request', 10 ); 44 add_filter( 'template_include', 'bp_template_include', 10 ); 45 add_filter( 'login_redirect', 'bp_login_redirect', 10, 3 ); 46 add_filter( 'map_meta_cap', 'bp_map_meta_caps', 10, 4 ); 47 48 // Add some filters to feedback messages. 49 add_filter( 'bp_core_render_message_content', 'wptexturize' ); 50 add_filter( 'bp_core_render_message_content', 'convert_smilies' ); 51 add_filter( 'bp_core_render_message_content', 'convert_chars' ); 52 add_filter( 'bp_core_render_message_content', 'wpautop' ); 53 add_filter( 'bp_core_render_message_content', 'shortcode_unautop' ); 54 add_filter( 'bp_core_render_message_content', 'wp_kses_data', 5 ); 55 56 // Emails. 57 add_filter( 'bp_email_set_content_html', 'wp_filter_post_kses', 6 ); 58 add_filter( 'bp_email_set_content_html', 'stripslashes', 8 ); 59 add_filter( 'bp_email_set_content_plaintext', 'wp_strip_all_tags', 6 ); 60 add_filter( 'bp_email_set_subject', 'sanitize_text_field', 6 ); 61 62 /** 63 * Template Compatibility. 64 * 65 * If you want to completely bypass this and manage your own custom BuddyPress 66 * template hierarchy, start here by removing this filter, then look at how 67 * bp_template_include() works and do something similar. :) 68 */ 69 add_filter( 'bp_template_include', 'bp_template_include_theme_supports', 2, 1 ); 70 add_filter( 'bp_template_include', 'bp_template_include_theme_compat', 4, 2 ); 71 72 // Filter BuddyPress template locations. 73 add_filter( 'bp_get_template_stack', 'bp_add_template_stack_locations' ); 74 75 // Turn comments off for BuddyPress pages. 76 add_filter( 'comments_open', 'bp_comments_open', 10, 2 ); 77 78 // Prevent DB query for WP's main loop. 79 add_filter( 'posts_pre_query', 'bp_core_filter_wp_query', 10, 2 ); 80 81 /** 82 * Prevent specific pages (eg 'Activate') from showing on page listings. 83 * 84 * @since 1.5.0 85 * 86 * @param array $pages List of excluded page IDs, as passed to the 87 * 'wp_list_pages_excludes' filter. 88 * @return array The exclude list, with BP's pages added. 89 */ 90 function bp_core_exclude_pages( $pages = array() ) { 91 92 // Bail if not the root blog. 93 if ( ! bp_is_root_blog() ) 94 return $pages; 95 96 $bp = buddypress(); 97 98 if ( !empty( $bp->pages->activate ) ) 99 $pages[] = $bp->pages->activate->id; 100 101 if ( !empty( $bp->pages->register ) ) 102 $pages[] = $bp->pages->register->id; 103 104 /** 105 * Filters specific pages that shouldn't show up on page listings. 106 * 107 * @since 1.5.0 108 * 109 * @param array $pages Array of pages to exclude. 110 */ 111 return apply_filters( 'bp_core_exclude_pages', $pages ); 112 } 113 add_filter( 'wp_list_pages_excludes', 'bp_core_exclude_pages' ); 114 115 /** 116 * Prevent specific pages (eg 'Activate') from showing in the Pages meta box of the Menu Administration screen. 117 * 118 * @since 2.0.0 119 * 120 * @param object|null $object The post type object used in the meta box. 121 * @return object|null The $object, with a query argument to remove register and activate pages id. 122 */ 123 function bp_core_exclude_pages_from_nav_menu_admin( $object = null ) { 124 125 // Bail if not the root blog. 126 if ( ! bp_is_root_blog() ) { 127 return $object; 128 } 129 130 if ( 'page' != $object->name ) { 131 return $object; 132 } 133 134 $bp = buddypress(); 135 $pages = array(); 136 137 if ( ! empty( $bp->pages->activate ) ) { 138 $pages[] = $bp->pages->activate->id; 139 } 140 141 if ( ! empty( $bp->pages->register ) ) { 142 $pages[] = $bp->pages->register->id; 143 } 144 145 if ( ! empty( $pages ) ) { 146 $object->_default_query['post__not_in'] = $pages; 147 } 148 149 return $object; 150 } 151 add_filter( 'nav_menu_meta_box_object', 'bp_core_exclude_pages_from_nav_menu_admin', 11, 1 ); 152 153 /** 154 * Adds current page CSS classes to the parent BP page in a WP Page Menu. 155 * 156 * Because BuddyPress primarily uses virtual pages, we need a way to highlight 157 * the BP parent page during WP menu generation. This function checks the 158 * current BP component against the current page in the WP menu to see if we 159 * should highlight the WP page. 160 * 161 * @since 2.2.0 162 * 163 * @param array $retval CSS classes for the current menu page in the menu. 164 * @param WP_Post $page The page properties for the current menu item. 165 * @return array 166 */ 167 function bp_core_menu_highlight_parent_page( $retval, $page ) { 168 if ( ! is_buddypress() ) { 169 return $retval; 170 } 171 172 $page_id = false; 173 174 // Loop against all BP component pages. 175 foreach ( (array) buddypress()->pages as $component => $bp_page ) { 176 // Handles the majority of components. 177 if ( bp_is_current_component( $component ) ) { 178 $page_id = (int) $bp_page->id; 179 } 180 181 // Stop if not on a user page. 182 if ( ! bp_is_user() && ! empty( $page_id ) ) { 183 break; 184 } 185 186 // Members component requires an explicit check due to overlapping components. 187 if ( bp_is_user() && 'members' === $component ) { 188 $page_id = (int) $bp_page->id; 189 break; 190 } 191 } 192 193 // Duplicate some logic from Walker_Page::start_el() to highlight menu items. 194 if ( ! empty( $page_id ) ) { 195 $_bp_page = get_post( $page_id ); 196 if ( in_array( $page->ID, $_bp_page->ancestors, true ) ) { 197 $retval[] = 'current_page_ancestor'; 198 } 199 if ( $page->ID === $page_id ) { 200 $retval[] = 'current_page_item'; 201 } elseif ( $_bp_page && $page->ID === $_bp_page->post_parent ) { 202 $retval[] = 'current_page_parent'; 203 } 204 } 205 206 $retval = array_unique( $retval ); 207 208 return $retval; 209 } 210 add_filter( 'page_css_class', 'bp_core_menu_highlight_parent_page', 10, 2 ); 211 212 /** 213 * Adds current page CSS classes to the parent BP page in a WP Nav Menu. 214 * 215 * When {@link wp_nav_menu()} is used, this function helps to highlight the 216 * current BP parent page during nav menu generation. 217 * 218 * @since 2.2.0 219 * 220 * @param array $retval CSS classes for the current nav menu item in the menu. 221 * @param WP_Post $item The properties for the current nav menu item. 222 * @return array 223 */ 224 function bp_core_menu_highlight_nav_menu_item( $retval, $item ) { 225 // If we're not on a BP page or if the current nav item is not a page, stop! 226 if ( ! is_buddypress() || 'page' !== $item->object ) { 227 return $retval; 228 } 229 230 // Get the WP page. 231 $page = get_post( $item->object_id ); 232 233 // See if we should add our highlight CSS classes for the page. 234 $retval = bp_core_menu_highlight_parent_page( $retval, $page ); 235 236 return $retval; 237 } 238 add_filter( 'nav_menu_css_class', 'bp_core_menu_highlight_nav_menu_item', 10, 2 ); 239 240 /** 241 * Filter the blog post comments array and insert BuddyPress URLs for users. 242 * 243 * @since 1.2.0 244 * 245 * @param array $comments The array of comments supplied to the comments template. 246 * @param int $post_id The post ID. 247 * @return array $comments The modified comment array. 248 */ 249 function bp_core_filter_comments( $comments, $post_id ) { 250 global $wpdb; 251 252 foreach( (array) $comments as $comment ) { 253 if ( $comment->user_id ) 254 $user_ids[] = $comment->user_id; 255 } 256 257 if ( empty( $user_ids ) ) 258 return $comments; 259 260 $user_ids = implode( ',', wp_parse_id_list( $user_ids ) ); 261 262 if ( !$userdata = $wpdb->get_results( "SELECT ID as user_id, user_login, user_nicename FROM {$wpdb->users} WHERE ID IN ({$user_ids})" ) ) 263 return $comments; 264 265 foreach( (array) $userdata as $user ) 266 $users[$user->user_id] = bp_core_get_user_domain( $user->user_id, $user->user_nicename, $user->user_login ); 267 268 foreach( (array) $comments as $i => $comment ) { 269 if ( !empty( $comment->user_id ) ) { 270 if ( !empty( $users[$comment->user_id] ) ) 271 $comments[$i]->comment_author_url = $users[$comment->user_id]; 272 } 273 } 274 275 return $comments; 276 } 277 add_filter( 'comments_array', 'bp_core_filter_comments', 10, 2 ); 278 279 /** 280 * When a user logs in, redirect him in a logical way. 281 * 282 * @since 1.2.0 283 * 284 * are redirected to on login. 285 * 286 * @param string $redirect_to The URL to be redirected to, sanitized in wp-login.php. 287 * @param string $redirect_to_raw The unsanitized redirect_to URL ($_REQUEST['redirect_to']). 288 * @param WP_User $user The WP_User object corresponding to a successfully 289 * logged-in user. Otherwise a WP_Error object. 290 * @return string The redirect URL. 291 */ 292 function bp_core_login_redirect( $redirect_to, $redirect_to_raw, $user ) { 293 294 // Only modify the redirect if we're on the main BP blog. 295 if ( !bp_is_root_blog() ) { 296 return $redirect_to; 297 } 298 299 // Only modify the redirect once the user is logged in. 300 if ( !is_a( $user, 'WP_User' ) ) { 301 return $redirect_to; 302 } 303 304 /** 305 * Filters whether or not to redirect. 306 * 307 * Allows plugins to have finer grained control of redirect upon login. 308 * 309 * @since 1.6.0 310 * 311 * @param bool $value Whether or not to redirect. 312 * @param string $redirect_to Sanitized URL to be redirected to. 313 * @param string $redirect_to_raw Unsanitized URL to be redirected to. 314 * @param WP_User $user The WP_User object corresponding to a 315 * successfully logged in user. 316 */ 317 $maybe_redirect = apply_filters( 'bp_core_login_redirect', false, $redirect_to, $redirect_to_raw, $user ); 318 if ( false !== $maybe_redirect ) { 319 return $maybe_redirect; 320 } 321 322 // If a 'redirect_to' parameter has been passed that contains 'wp-admin', verify that the 323 // logged-in user has any business to conduct in the Dashboard before allowing the 324 // redirect to go through. 325 if ( !empty( $redirect_to ) && ( false === strpos( $redirect_to, 'wp-admin' ) || user_can( $user, 'edit_posts' ) ) ) { 326 return $redirect_to; 327 } 328 329 if ( false === strpos( wp_get_referer(), 'wp-login.php' ) && false === strpos( wp_get_referer(), 'activate' ) && empty( $_REQUEST['nr'] ) ) { 330 return wp_get_referer(); 331 } 332 333 /** 334 * Filters the URL to redirect users to upon successful login. 335 * 336 * @since 1.9.0 337 * 338 * @param string $value URL to redirect to. 339 */ 340 return apply_filters( 'bp_core_login_redirect_to', bp_get_root_domain() ); 341 } 342 add_filter( 'bp_login_redirect', 'bp_core_login_redirect', 10, 3 ); 343 344 /** 345 * Decode HTML entities for plain-text emails. 346 * 347 * @since 2.5.0 348 * 349 * @param string $retval Current email content. 350 * @param string $prop Email property to check against. 351 * @param string $transform Either 'raw' or 'replace-tokens'. 352 * @return string|null $retval Modified email content. 353 */ 354 function bp_email_plaintext_entity_decode( $retval, $prop, $transform ) { 355 switch ( $prop ) { 356 case 'content_plaintext' : 357 case 'subject' : 358 // Only decode if 'replace-tokens' is the current type. 359 if ( 'replace-tokens' === $transform ) { 360 return html_entity_decode( $retval, ENT_QUOTES ); 361 } else { 362 return $retval; 363 } 364 break; 365 366 default : 367 return $retval; 368 break; 369 } 370 } 371 add_filter( 'bp_email_get_property', 'bp_email_plaintext_entity_decode', 10, 3 ); 372 373 /** 374 * Replace the generated password in the welcome email with '[User Set]'. 375 * 376 * On a standard BP installation, users who register themselves also set their 377 * own passwords. Therefore there is no need for the insecure practice of 378 * emailing the plaintext password to the user in the welcome email. 379 * 380 * This filter will not fire when a user is registered by the site admin. 381 * 382 * @since 1.2.1 383 * 384 * @param string $welcome_email Complete email passed through WordPress. 385 * @return string Filtered $welcome_email with the password replaced 386 * by '[User Set]'. 387 */ 388 function bp_core_filter_user_welcome_email( $welcome_email ) { 389 390 // Don't touch the email when a user is registered by the site admin. 391 if ( ( is_admin() || is_network_admin() ) && buddypress()->members->admin->signups_page != get_current_screen()->id ) { 392 return $welcome_email; 393 } 394 395 if ( strpos( bp_get_requested_url(), 'wp-activate.php' ) !== false ) { 396 return $welcome_email; 397 } 398 399 // Don't touch the email if we don't have a custom registration template. 400 if ( ! bp_has_custom_signup_page() ) { 401 return $welcome_email; 402 } 403 404 // [User Set] Replaces 'PASSWORD' in welcome email; Represents value set by user 405 return str_replace( 'PASSWORD', __( '[User Set]', 'buddypress' ), $welcome_email ); 406 } 407 add_filter( 'update_welcome_user_email', 'bp_core_filter_user_welcome_email' ); 408 409 /** 410 * Replace the generated password in the welcome email with '[User Set]'. 411 * 412 * On a standard BP installation, users who register themselves also set their 413 * own passwords. Therefore there is no need for the insecure practice of 414 * emailing the plaintext password to the user in the welcome email. 415 * 416 * This filter will not fire when a user is registered by the site admin. 417 * 418 * @since 1.2.1 419 * 420 * @param string $welcome_email Complete email passed through WordPress. 421 * @param int $blog_id ID of the blog user is joining. 422 * @param int $user_id ID of the user joining. 423 * @param string $password Password of user. 424 * @return string Filtered $welcome_email with $password replaced by '[User Set]'. 425 */ 426 function bp_core_filter_blog_welcome_email( $welcome_email, $blog_id, $user_id, $password ) { 427 428 // Don't touch the email when a user is registered by the site admin. 429 if ( ( is_admin() || is_network_admin() ) && buddypress()->members->admin->signups_page != get_current_screen()->id ) { 430 return $welcome_email; 431 } 432 433 // Don't touch the email if we don't have a custom registration template. 434 if ( ! bp_has_custom_signup_page() ) 435 return $welcome_email; 436 437 // [User Set] Replaces $password in welcome email; Represents value set by user. 438 return str_replace( $password, __( '[User Set]', 'buddypress' ), $welcome_email ); 439 } 440 add_filter( 'update_welcome_email', 'bp_core_filter_blog_welcome_email', 10, 4 ); 441 442 /** 443 * Notify new users of a successful registration (with blog). 444 * 445 * This function filter's WP's 'wpmu_signup_blog_notification', and replaces 446 * WP's default welcome email with a BuddyPress-specific message. 447 * 448 * @since 1.0.0 449 * 450 * @see wpmu_signup_blog_notification() for a description of parameters. 451 * 452 * @param string $domain The new blog domain. 453 * @param string $path The new blog path. 454 * @param string $title The site title. 455 * @param string $user The user's login name. 456 * @param string $user_email The user's email address. 457 * @param string $key The activation key created in wpmu_signup_blog(). 458 * @return bool Returns false to stop original WPMU function from continuing. 459 */ 460 function bp_core_activation_signup_blog_notification( $domain, $path, $title, $user, $user_email, $key ) { 461 $args = array( 462 'tokens' => array( 463 'activate-site.url' => esc_url( bp_get_activation_page() . '?key=' . urlencode( $key ) ), 464 'domain' => $domain, 465 'key_blog' => $key, 466 'path' => $path, 467 'user-site.url' => esc_url( set_url_scheme( "http://{$domain}{$path}" ) ), 468 'title' => $title, 469 'user.email' => $user_email, 470 ), 471 ); 472 473 $signups = BP_Signup::get( 474 array( 475 'user_login' => $user, 476 ) 477 ); 478 479 $salutation = $user; 480 if ( $signups && bp_is_active( 'xprofile' ) ) { 481 $signup = $signups['signups'][0]; 482 if ( isset( $signup->meta[ 'field_' . bp_xprofile_fullname_field_id() ] ) ) { 483 $salutation = $signup->meta[ 'field_' . bp_xprofile_fullname_field_id() ]; 484 } 485 } 486 487 bp_send_email( 'core-user-registration-with-blog', array( array( $user_email => $salutation ) ), $args ); 488 489 // Return false to stop the original WPMU function from continuing. 490 return false; 491 } 492 add_filter( 'wpmu_signup_blog_notification', 'bp_core_activation_signup_blog_notification', 1, 6 ); 493 494 /** 495 * Notify new users of a successful registration (without blog). 496 * 497 * @since 1.0.0 498 * 499 * @see wpmu_signup_user_notification() for a full description of params. 500 * 501 * @param string $user The user's login name. 502 * @param string $user_email The user's email address. 503 * @param string $key The activation key created in wpmu_signup_user(). 504 * @param array $meta By default, an empty array. 505 * @return false|string Returns false to stop original WPMU function from continuing. 506 */ 507 function bp_core_activation_signup_user_notification( $user, $user_email, $key, $meta ) { 508 if ( is_admin() ) { 509 510 // If the user is created from the WordPress Add User screen, don't send BuddyPress signup notifications. 511 if( in_array( get_current_screen()->id, array( 'user', 'user-network' ) ) ) { 512 // If the Super Admin want to skip confirmation email. 513 if ( isset( $_POST[ 'noconfirmation' ] ) && is_super_admin() ) { 514 return false; 515 516 // WordPress will manage the signup process. 517 } else { 518 return $user; 519 } 520 521 /* 522 * There can be a case where the user was created without the skip confirmation 523 * And the super admin goes in pending accounts to resend it. In this case, as the 524 * meta['password'] is not set, the activation url must be WordPress one. 525 */ 526 } elseif ( buddypress()->members->admin->signups_page == get_current_screen()->id ) { 527 $is_hashpass_in_meta = maybe_unserialize( $meta ); 528 529 if ( empty( $is_hashpass_in_meta['password'] ) ) { 530 return $user; 531 } 532 } 533 } 534 535 $user_id = 0; 536 $user_object = get_user_by( 'login', $user ); 537 if ( $user_object ) { 538 $user_id = $user_object->ID; 539 } 540 541 $salutation = $user; 542 if ( bp_is_active( 'xprofile' ) && isset( $meta[ 'field_' . bp_xprofile_fullname_field_id() ] ) ) { 543 $salutation = $meta[ 'field_' . bp_xprofile_fullname_field_id() ]; 544 } elseif ( $user_id ) { 545 $salutation = bp_core_get_user_displayname( $user_id ); 546 } 547 548 $args = array( 549 'tokens' => array( 550 'activate.url' => esc_url( trailingslashit( bp_get_activation_page() ) . "{$key}/" ), 551 'key' => $key, 552 'user.email' => $user_email, 553 'user.id' => $user_id, 554 ), 555 ); 556 bp_send_email( 'core-user-registration', array( array( $user_email => $salutation ) ), $args ); 557 558 // Return false to stop the original WPMU function from continuing. 559 return false; 560 } 561 add_filter( 'wpmu_signup_user_notification', 'bp_core_activation_signup_user_notification', 1, 4 ); 562 563 /** 564 * Filter the page title for BuddyPress pages. 565 * 566 * @since 1.5.0 567 * 568 * @see wp_title() 569 * @global object $bp BuddyPress global settings. 570 * 571 * @param string $title Original page title. 572 * @param string $sep How to separate the various items within the page title. 573 * @param string $seplocation Direction to display title. 574 * @return string New page title. 575 */ 576 function bp_modify_page_title( $title = '', $sep = '»', $seplocation = 'right' ) { 577 global $paged, $page, $_wp_theme_features; 578 579 // Get the BuddyPress title parts. 580 $bp_title_parts = bp_get_title_parts( $seplocation ); 581 582 // If not set, simply return the original title. 583 if ( ! $bp_title_parts ) { 584 return $title; 585 } 586 587 // Get the blog name, so we can check if the original $title included it. 588 $blogname = get_bloginfo( 'name', 'display' ); 589 590 /** 591 * Are we going to fake 'title-tag' theme functionality? 592 * 593 * @link https://buddypress.trac.wordpress.org/ticket/6107 594 * @see wp_title() 595 */ 596 $title_tag_compatibility = (bool) ( ! empty( $_wp_theme_features['title-tag'] ) || ( $blogname && strstr( $title, $blogname ) ) ); 597 598 // Append the site title to title parts if theme supports title tag. 599 if ( true === $title_tag_compatibility ) { 600 $bp_title_parts['site'] = $blogname; 601 602 if ( ( $paged >= 2 || $page >= 2 ) && ! is_404() && ! bp_is_single_activity() ) { 603 /* translators: %s: the page number. */ 604 $bp_title_parts['page'] = sprintf( __( 'Page %s', 'buddypress' ), max( $paged, $page ) ); 605 } 606 } 607 608 // Pad the separator with 1 space on each side. 609 $prefix = str_pad( $sep, strlen( $sep ) + 2, ' ', STR_PAD_BOTH ); 610 611 // Join the parts together. 612 $new_title = join( $prefix, array_filter( $bp_title_parts ) ); 613 614 // Append the prefix for pre `title-tag` compatibility. 615 if ( false === $title_tag_compatibility ) { 616 $new_title = $new_title . $prefix; 617 } 618 619 /** 620 * Filters the older 'wp_title' page title for BuddyPress pages. 621 * 622 * @since 1.5.0 623 * 624 * @param string $new_title The BuddyPress page title. 625 * @param string $title The original WordPress page title. 626 * @param string $sep The title parts separator. 627 * @param string $seplocation Location of the separator (left or right). 628 */ 629 return apply_filters( 'bp_modify_page_title', $new_title, $title, $sep, $seplocation ); 630 } 631 add_filter( 'wp_title', 'bp_modify_page_title', 20, 3 ); 632 add_filter( 'bp_modify_page_title', 'wptexturize' ); 633 add_filter( 'bp_modify_page_title', 'convert_chars' ); 634 add_filter( 'bp_modify_page_title', 'esc_html' ); 635 636 /** 637 * Filter the document title for BuddyPress pages. 638 * 639 * @since 2.4.3 640 * 641 * @param array $title The WordPress document title parts. 642 * @return array the unchanged title parts or the BuddyPress ones 643 */ 644 function bp_modify_document_title_parts( $title = array() ) { 645 // Get the BuddyPress title parts. 646 $bp_title_parts = bp_get_title_parts(); 647 648 // If not set, simply return the original title. 649 if ( ! $bp_title_parts ) { 650 return $title; 651 } 652 653 // Get the separator used by wp_get_document_title(). 654 $sep = apply_filters( 'document_title_separator', '-' ); 655 656 // Build the BuddyPress portion of the title. 657 // We don't need to sanitize this as WordPress will take care of it. 658 $bp_title = array( 659 'title' => join( " $sep ", $bp_title_parts ) 660 ); 661 662 // Add the pagination number if needed (not sure if this is necessary). 663 if ( isset( $title['page'] ) && ! bp_is_single_activity() ) { 664 $bp_title['page'] = $title['page']; 665 } 666 667 // Add the sitename if needed. 668 if ( isset( $title['site'] ) ) { 669 $bp_title['site'] = $title['site']; 670 } 671 672 /** 673 * Filters BuddyPress title parts that will be used into the document title. 674 * 675 * @since 2.4.3 676 * 677 * @param array $bp_title The BuddyPress page title parts. 678 * @param array $title The original WordPress title parts. 679 */ 680 return apply_filters( 'bp_modify_document_title_parts', $bp_title, $title ); 681 } 682 add_filter( 'document_title_parts', 'bp_modify_document_title_parts', 20, 1 ); 683 684 /** 685 * Add BuddyPress-specific items to the wp_nav_menu. 686 * 687 * @since 1.9.0 688 * 689 * @param WP_Post $menu_item The menu item. 690 * @return WP_Post The modified WP_Post object. 691 */ 692 function bp_setup_nav_menu_item( $menu_item ) { 693 if ( is_admin() ) { 694 if ( 'bp_nav_menu_item' === $menu_item->object ) { 695 $menu_item->type = 'custom'; 696 $menu_item->url = $menu_item->guid; 697 698 if ( ! in_array( array( 'bp-menu', 'bp-'. $menu_item->post_excerpt .'-nav' ), $menu_item->classes ) ) { 699 $menu_item->classes[] = 'bp-menu'; 700 $menu_item->classes[] = 'bp-'. $menu_item->post_excerpt .'-nav'; 701 } 702 } 703 704 return $menu_item; 705 } 706 707 // Prevent a notice error when using the customizer. 708 $menu_classes = $menu_item->classes; 709 710 if ( is_array( $menu_classes ) ) { 711 $menu_classes = implode( ' ', $menu_item->classes); 712 } 713 714 // We use information stored in the CSS class to determine what kind of 715 // menu item this is, and how it should be treated. 716 preg_match( '/\sbp-(.*)-nav/', $menu_classes, $matches ); 717 718 // If this isn't a BP menu item, we can stop here. 719 if ( empty( $matches[1] ) ) { 720 return $menu_item; 721 } 722 723 switch ( $matches[1] ) { 724 case 'login' : 725 if ( is_user_logged_in() ) { 726 $menu_item->_invalid = true; 727 } else { 728 $menu_item->url = wp_login_url( bp_get_requested_url() ); 729 } 730 731 break; 732 733 case 'logout' : 734 if ( ! is_user_logged_in() ) { 735 $menu_item->_invalid = true; 736 } else { 737 $menu_item->url = wp_logout_url( bp_get_requested_url() ); 738 } 739 740 break; 741 742 // Don't show the Register link to logged-in users. 743 case 'register' : 744 if ( is_user_logged_in() ) { 745 $menu_item->_invalid = true; 746 } 747 748 break; 749 750 // All other BP nav items are specific to the logged-in user, 751 // and so are not relevant to logged-out users. 752 default: 753 if ( is_user_logged_in() ) { 754 $menu_item->url = bp_nav_menu_get_item_url( $matches[1] ); 755 } else { 756 $menu_item->_invalid = true; 757 } 758 759 break; 760 } 761 762 // If component is deactivated, make sure menu item doesn't render. 763 if ( empty( $menu_item->url ) ) { 764 $menu_item->_invalid = true; 765 766 // Highlight the current page. 767 } else { 768 $current = bp_get_requested_url(); 769 if ( strpos( $current, $menu_item->url ) !== false ) { 770 if ( is_array( $menu_item->classes ) ) { 771 $menu_item->classes[] = 'current_page_item'; 772 $menu_item->classes[] = 'current-menu-item'; 773 } else { 774 $menu_item->classes = array( 'current_page_item', 'current-menu-item' ); 775 } 776 } 777 } 778 779 return $menu_item; 780 } 781 add_filter( 'wp_setup_nav_menu_item', 'bp_setup_nav_menu_item', 10, 1 ); 782 783 /** 784 * Populate BuddyPress user nav items for the customizer. 785 * 786 * @since 2.3.3 787 * 788 * @param array $items The array of menu items. 789 * @param string $type The requested type. 790 * @param string $object The requested object name. 791 * @param integer $page The page num being requested. 792 * @return array The paginated BuddyPress user nav items. 793 */ 794 function bp_customizer_nav_menus_get_items( $items = array(), $type = '', $object = '', $page = 0 ) { 795 if ( 'bp_loggedin_nav' === $object ) { 796 $bp_items = bp_nav_menu_get_loggedin_pages(); 797 } elseif ( 'bp_loggedout_nav' === $object ) { 798 $bp_items = bp_nav_menu_get_loggedout_pages(); 799 } else { 800 return $items; 801 } 802 803 foreach ( $bp_items as $bp_item ) { 804 $items[] = array( 805 'id' => "bp-{$bp_item->post_excerpt}", 806 'title' => html_entity_decode( $bp_item->post_title, ENT_QUOTES, get_bloginfo( 'charset' ) ), 807 'type' => $type, 808 'url' => esc_url_raw( $bp_item->guid ), 809 'classes' => "bp-menu bp-{$bp_item->post_excerpt}-nav", 810 'type_label' => _x( 'Custom Link', 'customizer menu type label', 'buddypress' ), 811 'object' => $object, 812 'object_id' => -1, 813 ); 814 } 815 816 return array_slice( $items, 10 * $page, 10 ); 817 } 818 add_filter( 'customize_nav_menu_available_items', 'bp_customizer_nav_menus_get_items', 10, 4 ); 819 820 /** 821 * Set BuddyPress item navs for the customizer. 822 * 823 * @since 2.3.3 824 * 825 * @param array $item_types An associative array structured for the customizer. 826 * @return array $item_types An associative array structured for the customizer. 827 */ 828 function bp_customizer_nav_menus_set_item_types( $item_types = array() ) { 829 $item_types = array_merge( $item_types, array( 830 'bp_loggedin_nav' => array( 831 'title' => _x( 'BuddyPress (logged-in)', 'customizer menu section title', 'buddypress' ), 832 'type' => 'bp_nav', 833 'object' => 'bp_loggedin_nav', 834 ), 835 'bp_loggedout_nav' => array( 836 'title' => _x( 'BuddyPress (logged-out)', 'customizer menu section title', 'buddypress' ), 837 'type' => 'bp_nav', 838 'object' => 'bp_loggedout_nav', 839 ), 840 ) ); 841 842 return $item_types; 843 } 844 add_filter( 'customize_nav_menu_available_item_types', 'bp_customizer_nav_menus_set_item_types', 10, 1 ); 845 846 /** 847 * Filter SQL query strings to swap out the 'meta_id' column. 848 * 849 * WordPress uses the meta_id column for commentmeta and postmeta, and so 850 * hardcodes the column name into its *_metadata() functions. BuddyPress, on 851 * the other hand, uses 'id' for the primary column. To make WP's functions 852 * usable for BuddyPress, we use this just-in-time filter on 'query' to swap 853 * 'meta_id' with 'id. 854 * 855 * @since 2.0.0 856 * 857 * @access private Do not use. 858 * 859 * @param string $q SQL query. 860 * @return string 861 */ 862 function bp_filter_metaid_column_name( $q ) { 863 /* 864 * Replace quoted content with __QUOTE__ to avoid false positives. 865 * This regular expression will match nested quotes. 866 */ 867 $quoted_regex = "/'[^'\\\\]*(?:\\\\.[^'\\\\]*)*'/s"; 868 preg_match_all( $quoted_regex, $q, $quoted_matches ); 869 $q = preg_replace( $quoted_regex, '__QUOTE__', $q ); 870 871 $q = str_replace( 'meta_id', 'id', $q ); 872 873 // Put quoted content back into the string. 874 if ( ! empty( $quoted_matches[0] ) ) { 875 for ( $i = 0; $i < count( $quoted_matches[0] ); $i++ ) { 876 $quote_pos = strpos( $q, '__QUOTE__' ); 877 $q = substr_replace( $q, $quoted_matches[0][ $i ], $quote_pos, 9 ); 878 } 879 } 880 881 return $q; 882 } 883 884 /** 885 * Filter the edit post link to avoid its display in BuddyPress pages. 886 * 887 * @since 2.1.0 888 * 889 * @param string $edit_link The edit link. 890 * @param int $post_id Post ID. 891 * @return false|string Will be a boolean (false) if $post_id is 0. Will be a string (the unchanged edit link) 892 * otherwise 893 */ 894 function bp_core_filter_edit_post_link( $edit_link = '', $post_id = 0 ) { 895 if ( 0 === $post_id ) { 896 $edit_link = false; 897 } 898 899 return $edit_link; 900 } 901 902 /** 903 * Should BuddyPress load the mentions scripts and related assets, including results to prime the 904 * mentions suggestions? 905 * 906 * @since 2.2.0 907 * 908 * @param bool $load_mentions True to load mentions assets, false otherwise. 909 * @param bool $mentions_enabled True if mentions are enabled. 910 * @return bool True if mentions scripts should be loaded. 911 */ 912 function bp_maybe_load_mentions_scripts_for_blog_content( $load_mentions, $mentions_enabled ) { 913 if ( ! $mentions_enabled ) { 914 return $load_mentions; 915 } 916 917 if ( $load_mentions || ( bp_is_blog_page() && is_singular() && comments_open() ) ) { 918 return true; 919 } 920 921 return $load_mentions; 922 } 923 add_filter( 'bp_activity_maybe_load_mentions_scripts', 'bp_maybe_load_mentions_scripts_for_blog_content', 10, 2 ); 924 925 /** 926 * Injects specific BuddyPress CSS classes into a widget sidebar. 927 * 928 * Helps to standardize styling of BuddyPress widgets within a theme that 929 * does not use dynamic CSS classes in their widget sidebar's 'before_widget' 930 * call. 931 * 932 * @since 2.4.0 933 * @access private 934 * 935 * @global array $wp_registered_widgets Current registered widgets. 936 * 937 * @param array $params Current sidebar params. 938 * @return array 939 */ 940 function _bp_core_inject_bp_widget_css_class( $params ) { 941 global $wp_registered_widgets; 942 943 $widget_id = $params[0]['widget_id']; 944 945 // If callback isn't an array, bail. 946 if ( false === is_array( $wp_registered_widgets[ $widget_id ]['callback'] ) ) { 947 return $params; 948 } 949 950 // If the current widget isn't a BuddyPress one, stop! 951 // We determine if a widget is a BuddyPress widget, if the widget class 952 // begins with 'bp_'. 953 if ( 0 !== strpos( $wp_registered_widgets[ $widget_id ]['callback'][0]->id_base, 'bp_' ) ) { 954 return $params; 955 } 956 957 // Dynamically add our widget CSS classes for BP widgets if not already there. 958 $classes = array(); 959 960 // Try to find 'widget' CSS class. 961 if ( false === strpos( $params[0]['before_widget'], 'widget ' ) ) { 962 $classes[] = 'widget'; 963 } 964 965 // Try to find 'buddypress' CSS class. 966 if ( false === strpos( $params[0]['before_widget'], ' buddypress' ) ) { 967 $classes[] = 'buddypress'; 968 } 969 970 // Stop if widget already has our CSS classes. 971 if ( empty( $classes ) ) { 972 return $params; 973 } 974 975 // CSS injection time! 976 $params[0]['before_widget'] = str_replace( 'class="', 'class="' . implode( ' ', $classes ) . ' ', $params[0]['before_widget'] ); 977 978 return $params; 979 } 980 add_filter( 'dynamic_sidebar_params', '_bp_core_inject_bp_widget_css_class' ); 981 982 /** 983 * Add email link styles to rendered email template. 984 * 985 * This is only used when the email content has been merged into the email template. 986 * 987 * @since 2.5.0 988 * 989 * @param string $value Property value. 990 * @param string $property_name Email template property name. 991 * @param string $transform How the return value was transformed. 992 * @return string Updated value. 993 */ 994 function bp_email_add_link_color_to_template( $value, $property_name, $transform ) { 995 if ( $property_name !== 'template' || $transform !== 'add-content' ) { 996 return $value; 997 } 998 999 $settings = bp_email_get_appearance_settings(); 1000 $replacement = 'style="color: ' . esc_attr( $settings['link_text_color'] ) . ';'; 1001 1002 // Find all links. 1003 preg_match_all( '#<a[^>]+>#i', $value, $links, PREG_SET_ORDER ); 1004 foreach ( $links as $link ) { 1005 $new_link = $link = array_shift( $link ); 1006 1007 // Add/modify style property. 1008 if ( strpos( $link, 'style="' ) !== false ) { 1009 $new_link = str_replace( 'style="', $replacement, $link ); 1010 } else { 1011 $new_link = str_replace( '<a ', "<a {$replacement}\" ", $link ); 1012 } 1013 1014 if ( $new_link !== $link ) { 1015 $value = str_replace( $link, $new_link, $value ); 1016 } 1017 } 1018 1019 return $value; 1020 } 1021 add_filter( 'bp_email_get_property', 'bp_email_add_link_color_to_template', 6, 3 ); 1022 1023 /** 1024 * Add custom headers to outgoing emails. 1025 * 1026 * @since 2.5.0 1027 * 1028 * @param array $headers Array of email headers. 1029 * @param string $property Name of property. Unused. 1030 * @param string $transform Return value transformation. Unused. 1031 * @param BP_Email $email Email object reference. 1032 * @return array 1033 */ 1034 function bp_email_set_default_headers( $headers, $property, $transform, $email ) { 1035 $headers['X-BuddyPress'] = bp_get_version(); 1036 $headers['X-BuddyPress-Type'] = $email->get( 'type' ); 1037 1038 $tokens = $email->get_tokens(); 1039 1040 // Add 'List-Unsubscribe' header if applicable. 1041 if ( ! empty( $tokens['unsubscribe'] ) && $tokens['unsubscribe'] !== wp_login_url() ) { 1042 $user = get_user_by( 'email', $tokens['recipient.email'] ); 1043 1044 $link = bp_email_get_unsubscribe_link( array( 1045 'user_id' => $user->ID, 1046 'notification_type' => $email->get( 'type' ), 1047 ) ); 1048 1049 if ( ! empty( $link ) ) { 1050 $headers['List-Unsubscribe'] = sprintf( '<%s>', esc_url_raw( $link ) ); 1051 } 1052 } 1053 1054 return $headers; 1055 } 1056 add_filter( 'bp_email_get_headers', 'bp_email_set_default_headers', 6, 4 ); 1057 1058 /** 1059 * Add default email tokens. 1060 * 1061 * @since 2.5.0 1062 * 1063 * @param array $tokens Email tokens. 1064 * @param string $property_name Unused. 1065 * @param string $transform Unused. 1066 * @param BP_Email $email Email being sent. 1067 * @return array 1068 */ 1069 function bp_email_set_default_tokens( $tokens, $property_name, $transform, $email ) { 1070 $tokens['site.admin-email'] = bp_get_option( 'admin_email' ); 1071 $tokens['site.url'] = bp_get_root_domain(); 1072 $tokens['email.subject'] = $email->get_subject(); 1073 1074 // These options are escaped with esc_html on the way into the database in sanitize_option(). 1075 $tokens['site.description'] = wp_specialchars_decode( bp_get_option( 'blogdescription' ), ENT_QUOTES ); 1076 $tokens['site.name'] = wp_specialchars_decode( bp_get_option( 'blogname' ), ENT_QUOTES ); 1077 1078 // Default values for tokens set conditionally below. 1079 $tokens['email.preheader'] = ''; 1080 $tokens['recipient.email'] = ''; 1081 $tokens['recipient.name'] = ''; 1082 $tokens['recipient.username'] = ''; 1083 1084 // Who is the email going to? 1085 $recipient = $email->get( 'to' ); 1086 if ( $recipient ) { 1087 $recipient = array_shift( $recipient ); 1088 $user_obj = $recipient->get_user( 'search-email' ); 1089 1090 $tokens['recipient.email'] = $recipient->get_address(); 1091 $tokens['recipient.name'] = $recipient->get_name(); 1092 1093 if ( ! $user_obj && $tokens['recipient.email'] ) { 1094 $user_obj = get_user_by( 'email', $tokens['recipient.email'] ); 1095 } 1096 1097 if ( $user_obj ) { 1098 $tokens['recipient.username'] = $user_obj->user_login; 1099 1100 if ( bp_is_active( 'settings' ) && empty( $tokens['unsubscribe'] ) ) { 1101 $tokens['unsubscribe'] = esc_url( sprintf( 1102 '%s%s/notifications/', 1103 bp_core_get_user_domain( $user_obj->ID ), 1104 bp_get_settings_slug() 1105 ) ); 1106 } 1107 } 1108 } 1109 1110 // Set default unsubscribe link if not passed. 1111 if ( empty( $tokens['unsubscribe'] ) ) { 1112 $tokens['unsubscribe'] = wp_login_url(); 1113 } 1114 1115 // Email preheader. 1116 $preheader = $email->get_preheader(); 1117 if ( $preheader ) { 1118 $tokens['email.preheader'] = $preheader; 1119 } 1120 1121 return $tokens; 1122 } 1123 add_filter( 'bp_email_get_tokens', 'bp_email_set_default_tokens', 6, 4 ); 1124 1125 /** 1126 * Find and render the template for Email posts (the Customizer and admin previews). 1127 * 1128 * Misuses the `template_include` filter which expects a string, but as we need to replace 1129 * the `{{{content}}}` token with the post's content, we use object buffering to load the 1130 * template, replace the token, and render it. 1131 * 1132 * The function returns an empty string to prevent WordPress rendering another template. 1133 * 1134 * @since 2.5.0 1135 * 1136 * @param string $template Path to template (probably single.php). 1137 * @return string 1138 */ 1139 function bp_core_render_email_template( $template ) { 1140 if ( get_post_type() !== bp_get_email_post_type() || ! is_single() ) { 1141 return $template; 1142 } 1143 1144 /** 1145 * Filter template used to display Email posts. 1146 * 1147 * @since 2.5.0 1148 * 1149 * @param string $template Path to current template (probably single.php). 1150 */ 1151 $email_template = apply_filters( 'bp_core_render_email_template', 1152 bp_locate_template( bp_email_get_template( get_queried_object() ), false ), 1153 $template 1154 ); 1155 1156 if ( ! $email_template ) { 1157 return $template; 1158 } 1159 1160 ob_start(); 1161 include( $email_template ); 1162 $template = ob_get_contents(); 1163 ob_end_clean(); 1164 1165 // Make sure we add a <title> tag so WP Customizer picks it up. 1166 $template = str_replace( '<head>', '<head><title>' . esc_html_x( 'BuddyPress Emails', 'screen heading', 'buddypress' ) . '</title>', $template ); 1167 echo str_replace( '{{{content}}}', wpautop( get_post()->post_content ), $template ); 1168 1169 /* 1170 * Link colours are applied directly in the email template before sending, so we 1171 * need to add an extra style here to set the colour for the Customizer or preview. 1172 */ 1173 $settings = bp_email_get_appearance_settings(); 1174 printf( 1175 '<style>a { color: %s; }</style>', 1176 esc_attr( $settings['highlight_color'] ) 1177 ); 1178 1179 return ''; 1180 } 1181 add_action( 'bp_template_include', 'bp_core_render_email_template', 12 ); 1182 1183 /** 1184 * Adds BuddyPress components' slugs to the WordPress Multisite subdirectory reserved names. 1185 * 1186 * @since 6.0.0 1187 * 1188 * @param array $names The WordPress Multisite subdirectory reserved names. 1189 * @return array The WordPress & BuddyPress Multisite subdirectory reserved names. 1190 */ 1191 function bp_core_components_subdirectory_reserved_names( $names = array() ) { 1192 $bp_pages = (array) buddypress()->pages; 1193 1194 return array_merge( $names, wp_list_pluck( $bp_pages, 'slug' ) ); 1195 } 1196 add_filter( 'subdirectory_reserved_names', 'bp_core_components_subdirectory_reserved_names' );
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