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1 <?php 2 /** 3 * Twenty Thirteen functions and definitions 4 * 5 * Sets up the theme and provides some helper functions, which are used in the 6 * theme as custom template tags. Others are attached to action and filter 7 * hooks in WordPress to change core functionality. 8 * 9 * When using a child theme you can override certain functions (those wrapped 10 * in a function_exists() call) by defining them first in your child theme's 11 * functions.php file. The child theme's functions.php file is included before 12 * the parent theme's file, so the child theme functions would be used. 13 * 14 * @link https://developer.wordpress.org/themes/basics/theme-functions/ 15 * @link https://developer.wordpress.org/themes/advanced-topics/child-themes/ 16 * 17 * Functions that are not pluggable (not wrapped in function_exists()) are 18 * instead attached to a filter or action hook. 19 * 20 * For more information on hooks, actions, and filters, @link https://developer.wordpress.org/plugins/ 21 * 22 * @package WordPress 23 * @subpackage Twenty_Thirteen 24 * @since Twenty Thirteen 1.0 25 */ 26 27 /* 28 * Set up the content width value based on the theme's design. 29 * 30 * @see twentythirteen_content_width() for template-specific adjustments. 31 */ 32 if ( ! isset( $content_width ) ) { 33 $content_width = 604; 34 } 35 36 /** 37 * Add support for a custom header image. 38 */ 39 require get_template_directory() . '/inc/custom-header.php'; 40 41 /** 42 * Twenty Thirteen only works in WordPress 3.6 or later. 43 */ 44 if ( version_compare( $GLOBALS['wp_version'], '3.6-alpha', '<' ) ) { 45 require get_template_directory() . '/inc/back-compat.php'; 46 } 47 48 /** 49 * Block Patterns. 50 * 51 * @since Twenty Thirteen 3.4 52 */ 53 require get_template_directory() . '/inc/block-patterns.php'; 54 55 /** 56 * Twenty Thirteen setup. 57 * 58 * Sets up theme defaults and registers the various WordPress features that 59 * Twenty Thirteen supports. 60 * 61 * @uses load_theme_textdomain() For translation/localization support. 62 * @uses add_editor_style() To add Visual Editor stylesheets. 63 * @uses add_theme_support() To add support for automatic feed links, post 64 * formats, and post thumbnails. 65 * @uses register_nav_menu() To add support for a navigation menu. 66 * @uses set_post_thumbnail_size() To set a custom post thumbnail size. 67 * 68 * @since Twenty Thirteen 1.0 69 */ 70 function twentythirteen_setup() { 71 /* 72 * Makes Twenty Thirteen available for translation. 73 * 74 * Translations can be filed at WordPress.org. See: https://translate.wordpress.org/projects/wp-themes/twentythirteen 75 * If you're building a theme based on Twenty Thirteen, use a find and 76 * replace to change 'twentythirteen' to the name of your theme in all 77 * template files. 78 */ 79 load_theme_textdomain( 'twentythirteen' ); 80 81 /* 82 * This theme styles the visual editor to resemble the theme style, 83 * specifically font, colors, icons, and column width. 84 */ 85 add_editor_style( array( 'css/editor-style.css', 'genericons/genericons.css', twentythirteen_fonts_url() ) ); 86 87 // Load regular editor styles into the new block-based editor. 88 add_theme_support( 'editor-styles' ); 89 90 // Load default block styles. 91 add_theme_support( 'wp-block-styles' ); 92 93 // Add support for full and wide align images. 94 add_theme_support( 'align-wide' ); 95 96 // Add support for responsive embeds. 97 add_theme_support( 'responsive-embeds' ); 98 99 // Add support for custom color scheme. 100 add_theme_support( 101 'editor-color-palette', 102 array( 103 array( 104 'name' => __( 'Dark Gray', 'twentythirteen' ), 105 'slug' => 'dark-gray', 106 'color' => '#141412', 107 ), 108 array( 109 'name' => __( 'Red', 'twentythirteen' ), 110 'slug' => 'red', 111 'color' => '#bc360a', 112 ), 113 array( 114 'name' => __( 'Medium Orange', 'twentythirteen' ), 115 'slug' => 'medium-orange', 116 'color' => '#db572f', 117 ), 118 array( 119 'name' => __( 'Light Orange', 'twentythirteen' ), 120 'slug' => 'light-orange', 121 'color' => '#ea9629', 122 ), 123 array( 124 'name' => __( 'Yellow', 'twentythirteen' ), 125 'slug' => 'yellow', 126 'color' => '#fbca3c', 127 ), 128 array( 129 'name' => __( 'White', 'twentythirteen' ), 130 'slug' => 'white', 131 'color' => '#fff', 132 ), 133 array( 134 'name' => __( 'Dark Brown', 'twentythirteen' ), 135 'slug' => 'dark-brown', 136 'color' => '#220e10', 137 ), 138 array( 139 'name' => __( 'Medium Brown', 'twentythirteen' ), 140 'slug' => 'medium-brown', 141 'color' => '#722d19', 142 ), 143 array( 144 'name' => __( 'Light Brown', 'twentythirteen' ), 145 'slug' => 'light-brown', 146 'color' => '#eadaa6', 147 ), 148 array( 149 'name' => __( 'Beige', 'twentythirteen' ), 150 'slug' => 'beige', 151 'color' => '#e8e5ce', 152 ), 153 array( 154 'name' => __( 'Off-white', 'twentythirteen' ), 155 'slug' => 'off-white', 156 'color' => '#f7f5e7', 157 ), 158 ) 159 ); 160 161 // Adds RSS feed links to <head> for posts and comments. 162 add_theme_support( 'automatic-feed-links' ); 163 164 /* 165 * Switches default core markup for search form, comment form, 166 * and comments to output valid HTML5. 167 */ 168 add_theme_support( 169 'html5', 170 array( 171 'search-form', 172 'comment-form', 173 'comment-list', 174 'gallery', 175 'caption', 176 'script', 177 'style', 178 'navigation-widgets', 179 ) 180 ); 181 182 /* 183 * This theme supports all available post formats by default. 184 * See https://wordpress.org/support/article/post-formats/ 185 */ 186 add_theme_support( 187 'post-formats', 188 array( 189 'aside', 190 'audio', 191 'chat', 192 'gallery', 193 'image', 194 'link', 195 'quote', 196 'status', 197 'video', 198 ) 199 ); 200 201 // This theme uses wp_nav_menu() in one location. 202 register_nav_menu( 'primary', __( 'Navigation Menu', 'twentythirteen' ) ); 203 204 /* 205 * This theme uses a custom image size for featured images, displayed on 206 * "standard" posts and pages. 207 */ 208 add_theme_support( 'post-thumbnails' ); 209 set_post_thumbnail_size( 604, 270, true ); 210 211 // This theme uses its own gallery styles. 212 add_filter( 'use_default_gallery_style', '__return_false' ); 213 214 // Indicate widget sidebars can use selective refresh in the Customizer. 215 add_theme_support( 'customize-selective-refresh-widgets' ); 216 } 217 add_action( 'after_setup_theme', 'twentythirteen_setup' ); 218 219 /** 220 * Return the Google font stylesheet URL, if available. 221 * 222 * The use of Source Sans Pro and Bitter by default is localized. For languages 223 * that use characters not supported by the font, the font can be disabled. 224 * 225 * @since Twenty Thirteen 1.0 226 * 227 * @return string Font stylesheet or empty string if disabled. 228 */ 229 function twentythirteen_fonts_url() { 230 $fonts_url = ''; 231 232 /* 233 * translators: If there are characters in your language that are not supported 234 * by Source Sans Pro, translate this to 'off'. Do not translate into your own language. 235 */ 236 $source_sans_pro = _x( 'on', 'Source Sans Pro font: on or off', 'twentythirteen' ); 237 238 /* 239 * translators: If there are characters in your language that are not supported 240 * by Bitter, translate this to 'off'. Do not translate into your own language. 241 */ 242 $bitter = _x( 'on', 'Bitter font: on or off', 'twentythirteen' ); 243 244 if ( 'off' !== $source_sans_pro || 'off' !== $bitter ) { 245 $font_families = array(); 246 247 if ( 'off' !== $source_sans_pro ) { 248 $font_families[] = 'Source Sans Pro:300,400,700,300italic,400italic,700italic'; 249 } 250 251 if ( 'off' !== $bitter ) { 252 $font_families[] = 'Bitter:400,700'; 253 } 254 255 $query_args = array( 256 'family' => urlencode( implode( '|', $font_families ) ), 257 'subset' => urlencode( 'latin,latin-ext' ), 258 'display' => urlencode( 'fallback' ), 259 ); 260 $fonts_url = add_query_arg( $query_args, 'https://fonts.googleapis.com/css' ); 261 } 262 263 return $fonts_url; 264 } 265 266 /** 267 * Enqueue scripts and styles for the front end. 268 * 269 * @since Twenty Thirteen 1.0 270 */ 271 function twentythirteen_scripts_styles() { 272 /* 273 * Adds JavaScript to pages with the comment form to support 274 * sites with threaded comments (when in use). 275 */ 276 if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) { 277 wp_enqueue_script( 'comment-reply' ); 278 } 279 280 // Adds Masonry to handle vertical alignment of footer widgets. 281 if ( is_active_sidebar( 'sidebar-1' ) ) { 282 wp_enqueue_script( 'jquery-masonry' ); 283 } 284 285 // Loads JavaScript file with functionality specific to Twenty Thirteen. 286 wp_enqueue_script( 'twentythirteen-script', get_template_directory_uri() . '/js/functions.js', array( 'jquery' ), '20171218', true ); 287 288 // Add Source Sans Pro and Bitter fonts, used in the main stylesheet. 289 wp_enqueue_style( 'twentythirteen-fonts', twentythirteen_fonts_url(), array(), null ); 290 291 // Add Genericons font, used in the main stylesheet. 292 wp_enqueue_style( 'genericons', get_template_directory_uri() . '/genericons/genericons.css', array(), '3.0.3' ); 293 294 // Loads our main stylesheet. 295 wp_enqueue_style( 'twentythirteen-style', get_stylesheet_uri(), array(), '20201208' ); 296 297 // Theme block stylesheet. 298 wp_enqueue_style( 'twentythirteen-block-style', get_template_directory_uri() . '/css/blocks.css', array( 'twentythirteen-style' ), '20190102' ); 299 300 // Loads the Internet Explorer specific stylesheet. 301 wp_enqueue_style( 'twentythirteen-ie', get_template_directory_uri() . '/css/ie.css', array( 'twentythirteen-style' ), '20150214' ); 302 wp_style_add_data( 'twentythirteen-ie', 'conditional', 'lt IE 9' ); 303 } 304 add_action( 'wp_enqueue_scripts', 'twentythirteen_scripts_styles' ); 305 306 /** 307 * Add preconnect for Google Fonts. 308 * 309 * @since Twenty Thirteen 2.1 310 * 311 * @param array $urls URLs to print for resource hints. 312 * @param string $relation_type The relation type the URLs are printed. 313 * @return array URLs to print for resource hints. 314 */ 315 function twentythirteen_resource_hints( $urls, $relation_type ) { 316 if ( wp_style_is( 'twentythirteen-fonts', 'queue' ) && 'preconnect' === $relation_type ) { 317 if ( version_compare( $GLOBALS['wp_version'], '4.7-alpha', '>=' ) ) { 318 $urls[] = array( 319 'href' => 'https://fonts.gstatic.com', 320 'crossorigin', 321 ); 322 } else { 323 $urls[] = 'https://fonts.gstatic.com'; 324 } 325 } 326 327 return $urls; 328 } 329 add_filter( 'wp_resource_hints', 'twentythirteen_resource_hints', 10, 2 ); 330 331 /** 332 * Enqueue styles for the block-based editor. 333 * 334 * @since Twenty Thirteen 2.5 335 */ 336 function twentythirteen_block_editor_styles() { 337 // Block styles. 338 wp_enqueue_style( 'twentythirteen-block-editor-style', get_template_directory_uri() . '/css/editor-blocks.css', array(), '20201208' ); 339 // Add custom fonts. 340 wp_enqueue_style( 'twentythirteen-fonts', twentythirteen_fonts_url(), array(), null ); 341 } 342 add_action( 'enqueue_block_editor_assets', 'twentythirteen_block_editor_styles' ); 343 344 /** 345 * Filter the page title. 346 * 347 * Creates a nicely formatted and more specific title element text for output 348 * in head of document, based on current view. 349 * 350 * @since Twenty Thirteen 1.0 351 * 352 * @param string $title Default title text for current view. 353 * @param string $sep Optional separator. 354 * @return string The filtered title. 355 */ 356 function twentythirteen_wp_title( $title, $sep ) { 357 global $paged, $page; 358 359 if ( is_feed() ) { 360 return $title; 361 } 362 363 // Add the site name. 364 $title .= get_bloginfo( 'name', 'display' ); 365 366 // Add the site description for the home/front page. 367 $site_description = get_bloginfo( 'description', 'display' ); 368 if ( $site_description && ( is_home() || is_front_page() ) ) { 369 $title = "$title $sep $site_description"; 370 } 371 372 // Add a page number if necessary. 373 if ( ( $paged >= 2 || $page >= 2 ) && ! is_404() ) { 374 /* translators: %s: Page number. */ 375 $title = "$title $sep " . sprintf( __( 'Page %s', 'twentythirteen' ), max( $paged, $page ) ); 376 } 377 378 return $title; 379 } 380 add_filter( 'wp_title', 'twentythirteen_wp_title', 10, 2 ); 381 382 /** 383 * Register two widget areas. 384 * 385 * @since Twenty Thirteen 1.0 386 */ 387 function twentythirteen_widgets_init() { 388 register_sidebar( 389 array( 390 'name' => __( 'Main Widget Area', 'twentythirteen' ), 391 'id' => 'sidebar-1', 392 'description' => __( 'Appears in the footer section of the site.', 'twentythirteen' ), 393 'before_widget' => '<aside id="%1$s" class="widget %2$s">', 394 'after_widget' => '</aside>', 395 'before_title' => '<h3 class="widget-title">', 396 'after_title' => '</h3>', 397 ) 398 ); 399 400 register_sidebar( 401 array( 402 'name' => __( 'Secondary Widget Area', 'twentythirteen' ), 403 'id' => 'sidebar-2', 404 'description' => __( 'Appears on posts and pages in the sidebar.', 'twentythirteen' ), 405 'before_widget' => '<aside id="%1$s" class="widget %2$s">', 406 'after_widget' => '</aside>', 407 'before_title' => '<h3 class="widget-title">', 408 'after_title' => '</h3>', 409 ) 410 ); 411 } 412 add_action( 'widgets_init', 'twentythirteen_widgets_init' ); 413 414 if ( ! function_exists( 'twentythirteen_paging_nav' ) ) : 415 /** 416 * Display navigation to next/previous set of posts when applicable. 417 * 418 * @since Twenty Thirteen 1.0 419 */ 420 function twentythirteen_paging_nav() { 421 global $wp_query; 422 423 // Don't print empty markup if there's only one page. 424 if ( $wp_query->max_num_pages < 2 ) { 425 return; 426 } 427 ?> 428 <nav class="navigation paging-navigation" role="navigation"> 429 <h1 class="screen-reader-text"><?php _e( 'Posts navigation', 'twentythirteen' ); ?></h1> 430 <div class="nav-links"> 431 432 <?php if ( get_next_posts_link() ) : ?> 433 <div class="nav-previous"><?php next_posts_link( __( '<span class="meta-nav">←</span> Older posts', 'twentythirteen' ) ); ?></div> 434 <?php endif; ?> 435 436 <?php if ( get_previous_posts_link() ) : ?> 437 <div class="nav-next"><?php previous_posts_link( __( 'Newer posts <span class="meta-nav">→</span>', 'twentythirteen' ) ); ?></div> 438 <?php endif; ?> 439 440 </div><!-- .nav-links --> 441 </nav><!-- .navigation --> 442 <?php 443 } 444 endif; 445 446 if ( ! function_exists( 'twentythirteen_post_nav' ) ) : 447 /** 448 * Display navigation to next/previous post when applicable. 449 * 450 * @since Twenty Thirteen 1.0 451 */ 452 function twentythirteen_post_nav() { 453 global $post; 454 455 // Don't print empty markup if there's nowhere to navigate. 456 $previous = ( is_attachment() ) ? get_post( $post->post_parent ) : get_adjacent_post( false, '', true ); 457 $next = get_adjacent_post( false, '', false ); 458 459 if ( ! $next && ! $previous ) { 460 return; 461 } 462 ?> 463 <nav class="navigation post-navigation" role="navigation"> 464 <h1 class="screen-reader-text"><?php _e( 'Post navigation', 'twentythirteen' ); ?></h1> 465 <div class="nav-links"> 466 467 <?php previous_post_link( '%link', _x( '<span class="meta-nav">←</span> %title', 'Previous post link', 'twentythirteen' ) ); ?> 468 <?php next_post_link( '%link', _x( '%title <span class="meta-nav">→</span>', 'Next post link', 'twentythirteen' ) ); ?> 469 470 </div><!-- .nav-links --> 471 </nav><!-- .navigation --> 472 <?php 473 } 474 endif; 475 476 if ( ! function_exists( 'twentythirteen_entry_meta' ) ) : 477 /** 478 * Print HTML with meta information for current post: categories, tags, permalink, author, and date. 479 * 480 * Create your own twentythirteen_entry_meta() to override in a child theme. 481 * 482 * @since Twenty Thirteen 1.0 483 */ 484 function twentythirteen_entry_meta() { 485 if ( is_sticky() && is_home() && ! is_paged() ) { 486 echo '<span class="featured-post">' . esc_html__( 'Sticky', 'twentythirteen' ) . '</span>'; 487 } 488 489 if ( ! has_post_format( 'link' ) && 'post' === get_post_type() ) { 490 twentythirteen_entry_date(); 491 } 492 493 /* translators: Used between list items, there is a space after the comma. */ 494 $categories_list = get_the_category_list( __( ', ', 'twentythirteen' ) ); 495 if ( $categories_list ) { 496 echo '<span class="categories-links">' . $categories_list . '</span>'; 497 } 498 499 /* translators: Used between list items, there is a space after the comma. */ 500 $tags_list = get_the_tag_list( '', __( ', ', 'twentythirteen' ) ); 501 if ( $tags_list && ! is_wp_error( $tags_list ) ) { 502 echo '<span class="tags-links">' . $tags_list . '</span>'; 503 } 504 505 // Post author. 506 if ( 'post' === get_post_type() ) { 507 printf( 508 '<span class="author vcard"><a class="url fn n" href="%1$s" title="%2$s" rel="author">%3$s</a></span>', 509 esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ), 510 /* translators: %s: Author display name. */ 511 esc_attr( sprintf( __( 'View all posts by %s', 'twentythirteen' ), get_the_author() ) ), 512 get_the_author() 513 ); 514 } 515 } 516 endif; 517 518 if ( ! function_exists( 'twentythirteen_entry_date' ) ) : 519 /** 520 * Print HTML with date information for current post. 521 * 522 * Create your own twentythirteen_entry_date() to override in a child theme. 523 * 524 * @since Twenty Thirteen 1.0 525 * 526 * @param bool $echo (optional) Whether to echo the date. Default true. 527 * @return string The HTML-formatted post date. 528 */ 529 function twentythirteen_entry_date( $echo = true ) { 530 if ( has_post_format( array( 'chat', 'status' ) ) ) { 531 /* translators: 1: Post format name, 2: Date. */ 532 $format_prefix = _x( '%1$s on %2$s', '1: post format name. 2: date', 'twentythirteen' ); 533 } else { 534 $format_prefix = '%2$s'; 535 } 536 537 $date = sprintf( 538 '<span class="date"><a href="%1$s" title="%2$s" rel="bookmark"><time class="entry-date" datetime="%3$s">%4$s</time></a></span>', 539 esc_url( get_permalink() ), 540 /* translators: %s: Post title. */ 541 esc_attr( sprintf( __( 'Permalink to %s', 'twentythirteen' ), the_title_attribute( 'echo=0' ) ) ), 542 esc_attr( get_the_date( 'c' ) ), 543 esc_html( sprintf( $format_prefix, get_post_format_string( get_post_format() ), get_the_date() ) ) 544 ); 545 546 if ( $echo ) { 547 echo $date; 548 } 549 550 return $date; 551 } 552 endif; 553 554 if ( ! function_exists( 'twentythirteen_the_attached_image' ) ) : 555 /** 556 * Print the attached image with a link to the next attached image. 557 * 558 * @since Twenty Thirteen 1.0 559 */ 560 function twentythirteen_the_attached_image() { 561 /** 562 * Filters the image attachment size to use. 563 * 564 * @since Twenty thirteen 1.0 565 * 566 * @param array $size { 567 * @type int The attachment height in pixels. 568 * @type int The attachment width in pixels. 569 * } 570 */ 571 $attachment_size = apply_filters( 'twentythirteen_attachment_size', array( 724, 724 ) ); 572 $next_attachment_url = wp_get_attachment_url(); 573 $post = get_post(); 574 575 /* 576 * Grab the IDs of all the image attachments in a gallery so we can get the URL 577 * of the next adjacent image in a gallery, or the first image (if we're 578 * looking at the last image in a gallery), or, in a gallery of one, just the 579 * link to that image file. 580 */ 581 $attachment_ids = get_posts( 582 array( 583 'post_parent' => $post->post_parent, 584 'fields' => 'ids', 585 'numberposts' => -1, 586 'post_status' => 'inherit', 587 'post_type' => 'attachment', 588 'post_mime_type' => 'image', 589 'order' => 'ASC', 590 'orderby' => 'menu_order ID', 591 ) 592 ); 593 594 // If there is more than 1 attachment in a gallery... 595 if ( count( $attachment_ids ) > 1 ) { 596 foreach ( $attachment_ids as $idx => $attachment_id ) { 597 if ( $attachment_id == $post->ID ) { 598 $next_id = $attachment_ids[ ( $idx + 1 ) % count( $attachment_ids ) ]; 599 break; 600 } 601 } 602 603 if ( $next_id ) { 604 // ...get the URL of the next image attachment. 605 $next_attachment_url = get_attachment_link( $next_id ); 606 } else { 607 // ...or get the URL of the first image attachment. 608 $next_attachment_url = get_attachment_link( reset( $attachment_ids ) ); 609 } 610 } 611 612 printf( 613 '<a href="%1$s" title="%2$s" rel="attachment">%3$s</a>', 614 esc_url( $next_attachment_url ), 615 the_title_attribute( array( 'echo' => false ) ), 616 wp_get_attachment_image( $post->ID, $attachment_size ) 617 ); 618 } 619 endif; 620 621 /** 622 * Return the post URL. 623 * 624 * @uses get_url_in_content() to get the URL in the post meta (if it exists) or 625 * the first link found in the post content. 626 * 627 * Falls back to the post permalink if no URL is found in the post. 628 * 629 * @since Twenty Thirteen 1.0 630 * 631 * @return string The Link format URL. 632 */ 633 function twentythirteen_get_link_url() { 634 $content = get_the_content(); 635 $has_url = get_url_in_content( $content ); 636 637 return ( $has_url ) ? $has_url : apply_filters( 'the_permalink', get_permalink() ); 638 } 639 640 if ( ! function_exists( 'twentythirteen_excerpt_more' ) && ! is_admin() ) : 641 /** 642 * Replaces "[...]" (appended to automatically generated excerpts) with ... 643 * and a Continue reading link. 644 * 645 * @since Twenty Thirteen 1.4 646 * 647 * @param string $more Default Read More excerpt link. 648 * @return string Filtered Read More excerpt link. 649 */ 650 function twentythirteen_excerpt_more( $more ) { 651 $link = sprintf( 652 '<a href="%1$s" class="more-link">%2$s</a>', 653 esc_url( get_permalink( get_the_ID() ) ), 654 /* translators: %s: Post title. */ 655 sprintf( __( 'Continue reading %s <span class="meta-nav">→</span>', 'twentythirteen' ), '<span class="screen-reader-text">' . get_the_title( get_the_ID() ) . '</span>' ) 656 ); 657 return ' … ' . $link; 658 } 659 add_filter( 'excerpt_more', 'twentythirteen_excerpt_more' ); 660 endif; 661 662 /** 663 * Extend the default WordPress body classes. 664 * 665 * Adds body classes to denote: 666 * 1. Single or multiple authors. 667 * 2. Active widgets in the sidebar to change the layout and spacing. 668 * 3. When avatars are disabled in discussion settings. 669 * 670 * @since Twenty Thirteen 1.0 671 * 672 * @param array $classes A list of existing body class values. 673 * @return array The filtered body class list. 674 */ 675 function twentythirteen_body_class( $classes ) { 676 if ( ! is_multi_author() ) { 677 $classes[] = 'single-author'; 678 } 679 680 if ( is_active_sidebar( 'sidebar-2' ) && ! is_attachment() && ! is_404() ) { 681 $classes[] = 'sidebar'; 682 } 683 684 if ( ! get_option( 'show_avatars' ) ) { 685 $classes[] = 'no-avatars'; 686 } 687 688 return $classes; 689 } 690 add_filter( 'body_class', 'twentythirteen_body_class' ); 691 692 /** 693 * Adjust content_width value for video post formats and attachment templates. 694 * 695 * @since Twenty Thirteen 1.0 696 */ 697 function twentythirteen_content_width() { 698 global $content_width; 699 700 if ( is_attachment() ) { 701 $content_width = 724; 702 } elseif ( has_post_format( 'audio' ) ) { 703 $content_width = 484; 704 } 705 } 706 add_action( 'template_redirect', 'twentythirteen_content_width' ); 707 708 /** 709 * Add postMessage support for site title and description for the Customizer. 710 * 711 * @since Twenty Thirteen 1.0 712 * 713 * @param WP_Customize_Manager $wp_customize Customizer object. 714 */ 715 function twentythirteen_customize_register( $wp_customize ) { 716 $wp_customize->get_setting( 'blogname' )->transport = 'postMessage'; 717 $wp_customize->get_setting( 'blogdescription' )->transport = 'postMessage'; 718 $wp_customize->get_setting( 'header_textcolor' )->transport = 'postMessage'; 719 720 if ( isset( $wp_customize->selective_refresh ) ) { 721 $wp_customize->selective_refresh->add_partial( 722 'blogname', 723 array( 724 'selector' => '.site-title', 725 'container_inclusive' => false, 726 'render_callback' => 'twentythirteen_customize_partial_blogname', 727 ) 728 ); 729 $wp_customize->selective_refresh->add_partial( 730 'blogdescription', 731 array( 732 'selector' => '.site-description', 733 'container_inclusive' => false, 734 'render_callback' => 'twentythirteen_customize_partial_blogdescription', 735 ) 736 ); 737 } 738 } 739 add_action( 'customize_register', 'twentythirteen_customize_register' ); 740 741 /** 742 * Render the site title for the selective refresh partial. 743 * 744 * @since Twenty Thirteen 1.9 745 * 746 * @see twentythirteen_customize_register() 747 * 748 * @return void 749 */ 750 function twentythirteen_customize_partial_blogname() { 751 bloginfo( 'name' ); 752 } 753 754 /** 755 * Render the site tagline for the selective refresh partial. 756 * 757 * @since Twenty Thirteen 1.9 758 * 759 * @see twentythirteen_customize_register() 760 * 761 * @return void 762 */ 763 function twentythirteen_customize_partial_blogdescription() { 764 bloginfo( 'description' ); 765 } 766 767 /** 768 * Enqueue JavaScript postMessage handlers for the Customizer. 769 * 770 * Binds JavaScript handlers to make the Customizer preview 771 * reload changes asynchronously. 772 * 773 * @since Twenty Thirteen 1.0 774 */ 775 function twentythirteen_customize_preview_js() { 776 wp_enqueue_script( 'twentythirteen-customizer', get_template_directory_uri() . '/js/theme-customizer.js', array( 'customize-preview' ), '20141120', true ); 777 } 778 add_action( 'customize_preview_init', 'twentythirteen_customize_preview_js' ); 779 780 /** 781 * Modifies tag cloud widget arguments to display all tags in the same font size 782 * and use list format for better accessibility. 783 * 784 * @since Twenty Thirteen 2.3 785 * 786 * @param array $args Arguments for tag cloud widget. 787 * @return array The filtered arguments for tag cloud widget. 788 */ 789 function twentythirteen_widget_tag_cloud_args( $args ) { 790 $args['largest'] = 22; 791 $args['smallest'] = 8; 792 $args['unit'] = 'pt'; 793 $args['format'] = 'list'; 794 795 return $args; 796 } 797 add_filter( 'widget_tag_cloud_args', 'twentythirteen_widget_tag_cloud_args' ); 798 799 /** 800 * Prevents `author-bio.php` partial template from interfering with rendering 801 * an author archive of a user with the `bio` username. 802 * 803 * @since Twenty Thirteen 3.0 804 * 805 * @param string $template Template file. 806 * @return string Replacement template file. 807 */ 808 function twentythirteen_author_bio_template( $template ) { 809 if ( is_author() ) { 810 $author = get_queried_object(); 811 if ( $author instanceof WP_User && 'bio' === $author->user_nicename ) { 812 // Use author templates if exist, fall back to template hierarchy otherwise. 813 return locate_template( array( "author-{$author->ID}.php", 'author.php' ) ); 814 } 815 } 816 817 return $template; 818 } 819 add_filter( 'author_template', 'twentythirteen_author_bio_template' ); 820 821 if ( ! function_exists( 'wp_body_open' ) ) : 822 /** 823 * Fire the wp_body_open action. 824 * 825 * Added for backward compatibility to support pre-5.2.0 WordPress versions. 826 * 827 * @since Twenty Thirteen 2.8 828 */ 829 function wp_body_open() { 830 /** 831 * Triggered after the opening <body> tag. 832 * 833 * @since Twenty Thirteen 2.8 834 */ 835 do_action( 'wp_body_open' ); 836 } 837 endif; 838 839 /** 840 * Register Custom Block Styles 841 * 842 * @since Twenty Thirteen 3.4 843 */ 844 if ( function_exists( 'register_block_style' ) ) { 845 function twentythirteen_register_block_styles() { 846 847 /** 848 * Register block style 849 */ 850 register_block_style( 851 'core/button', 852 array( 853 'name' => 'no-shadow', 854 'label' => __( 'No Shadow', 'twentythirteen' ), 855 'style_handle' => 'no-shadow', 856 ) 857 ); 858 } 859 add_action( 'init', 'twentythirteen_register_block_styles' ); 860 }
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| Generated: Sun Aug 1 01:00:05 2021 | Cross-referenced by PHPXref 0.7.1 |