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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 * Twenty Thirteen setup. 50 * 51 * Sets up theme defaults and registers the various WordPress features that 52 * Twenty Thirteen supports. 53 * 54 * @uses load_theme_textdomain() For translation/localization support. 55 * @uses add_editor_style() To add Visual Editor stylesheets. 56 * @uses add_theme_support() To add support for automatic feed links, post 57 * formats, and post thumbnails. 58 * @uses register_nav_menu() To add support for a navigation menu. 59 * @uses set_post_thumbnail_size() To set a custom post thumbnail size. 60 * 61 * @since Twenty Thirteen 1.0 62 */ 63 function twentythirteen_setup() { 64 /* 65 * Makes Twenty Thirteen available for translation. 66 * 67 * Translations can be filed at WordPress.org. See: https://translate.wordpress.org/projects/wp-themes/twentythirteen 68 * If you're building a theme based on Twenty Thirteen, use a find and 69 * replace to change 'twentythirteen' to the name of your theme in all 70 * template files. 71 */ 72 load_theme_textdomain( 'twentythirteen' ); 73 74 /* 75 * This theme styles the visual editor to resemble the theme style, 76 * specifically font, colors, icons, and column width. 77 */ 78 add_editor_style( array( 'css/editor-style.css', 'genericons/genericons.css', twentythirteen_fonts_url() ) ); 79 80 // Load regular editor styles into the new block-based editor. 81 add_theme_support( 'editor-styles' ); 82 83 // Load default block styles. 84 add_theme_support( 'wp-block-styles' ); 85 86 // Add support for full and wide align images. 87 add_theme_support( 'align-wide' ); 88 89 // Add support for responsive embeds. 90 add_theme_support( 'responsive-embeds' ); 91 92 // Add support for custom color scheme. 93 add_theme_support( 94 'editor-color-palette', 95 array( 96 array( 97 'name' => __( 'Dark Gray', 'twentythirteen' ), 98 'slug' => 'dark-gray', 99 'color' => '#141412', 100 ), 101 array( 102 'name' => __( 'Red', 'twentythirteen' ), 103 'slug' => 'red', 104 'color' => '#bc360a', 105 ), 106 array( 107 'name' => __( 'Medium Orange', 'twentythirteen' ), 108 'slug' => 'medium-orange', 109 'color' => '#db572f', 110 ), 111 array( 112 'name' => __( 'Light Orange', 'twentythirteen' ), 113 'slug' => 'light-orange', 114 'color' => '#ea9629', 115 ), 116 array( 117 'name' => __( 'Yellow', 'twentythirteen' ), 118 'slug' => 'yellow', 119 'color' => '#fbca3c', 120 ), 121 array( 122 'name' => __( 'White', 'twentythirteen' ), 123 'slug' => 'white', 124 'color' => '#fff', 125 ), 126 array( 127 'name' => __( 'Dark Brown', 'twentythirteen' ), 128 'slug' => 'dark-brown', 129 'color' => '#220e10', 130 ), 131 array( 132 'name' => __( 'Medium Brown', 'twentythirteen' ), 133 'slug' => 'medium-brown', 134 'color' => '#722d19', 135 ), 136 array( 137 'name' => __( 'Light Brown', 'twentythirteen' ), 138 'slug' => 'light-brown', 139 'color' => '#eadaa6', 140 ), 141 array( 142 'name' => __( 'Beige', 'twentythirteen' ), 143 'slug' => 'beige', 144 'color' => '#e8e5ce', 145 ), 146 array( 147 'name' => __( 'Off-white', 'twentythirteen' ), 148 'slug' => 'off-white', 149 'color' => '#f7f5e7', 150 ), 151 ) 152 ); 153 154 // Adds RSS feed links to <head> for posts and comments. 155 add_theme_support( 'automatic-feed-links' ); 156 157 /* 158 * Switches default core markup for search form, comment form, 159 * and comments to output valid HTML5. 160 */ 161 add_theme_support( 162 'html5', 163 array( 164 'search-form', 165 'comment-form', 166 'comment-list', 167 'gallery', 168 'caption', 169 'script', 170 'style', 171 'navigation-widgets', 172 ) 173 ); 174 175 /* 176 * This theme supports all available post formats by default. 177 * See https://wordpress.org/support/article/post-formats/ 178 */ 179 add_theme_support( 180 'post-formats', 181 array( 182 'aside', 183 'audio', 184 'chat', 185 'gallery', 186 'image', 187 'link', 188 'quote', 189 'status', 190 'video', 191 ) 192 ); 193 194 // This theme uses wp_nav_menu() in one location. 195 register_nav_menu( 'primary', __( 'Navigation Menu', 'twentythirteen' ) ); 196 197 /* 198 * This theme uses a custom image size for featured images, displayed on 199 * "standard" posts and pages. 200 */ 201 add_theme_support( 'post-thumbnails' ); 202 set_post_thumbnail_size( 604, 270, true ); 203 204 // This theme uses its own gallery styles. 205 add_filter( 'use_default_gallery_style', '__return_false' ); 206 207 // Indicate widget sidebars can use selective refresh in the Customizer. 208 add_theme_support( 'customize-selective-refresh-widgets' ); 209 } 210 add_action( 'after_setup_theme', 'twentythirteen_setup' ); 211 212 /** 213 * Return the Google font stylesheet URL, if available. 214 * 215 * The use of Source Sans Pro and Bitter by default is localized. For languages 216 * that use characters not supported by the font, the font can be disabled. 217 * 218 * @since Twenty Thirteen 1.0 219 * 220 * @return string Font stylesheet or empty string if disabled. 221 */ 222 function twentythirteen_fonts_url() { 223 $fonts_url = ''; 224 225 /* 226 * translators: If there are characters in your language that are not supported 227 * by Source Sans Pro, translate this to 'off'. Do not translate into your own language. 228 */ 229 $source_sans_pro = _x( 'on', 'Source Sans Pro font: on or off', 'twentythirteen' ); 230 231 /* 232 * translators: If there are characters in your language that are not supported 233 * by Bitter, translate this to 'off'. Do not translate into your own language. 234 */ 235 $bitter = _x( 'on', 'Bitter font: on or off', 'twentythirteen' ); 236 237 if ( 'off' !== $source_sans_pro || 'off' !== $bitter ) { 238 $font_families = array(); 239 240 if ( 'off' !== $source_sans_pro ) { 241 $font_families[] = 'Source Sans Pro:300,400,700,300italic,400italic,700italic'; 242 } 243 244 if ( 'off' !== $bitter ) { 245 $font_families[] = 'Bitter:400,700'; 246 } 247 248 $query_args = array( 249 'family' => urlencode( implode( '|', $font_families ) ), 250 'subset' => urlencode( 'latin,latin-ext' ), 251 'display' => urlencode( 'fallback' ), 252 ); 253 $fonts_url = add_query_arg( $query_args, 'https://fonts.googleapis.com/css' ); 254 } 255 256 return $fonts_url; 257 } 258 259 /** 260 * Enqueue scripts and styles for the front end. 261 * 262 * @since Twenty Thirteen 1.0 263 */ 264 function twentythirteen_scripts_styles() { 265 /* 266 * Adds JavaScript to pages with the comment form to support 267 * sites with threaded comments (when in use). 268 */ 269 if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) { 270 wp_enqueue_script( 'comment-reply' ); 271 } 272 273 // Adds Masonry to handle vertical alignment of footer widgets. 274 if ( is_active_sidebar( 'sidebar-1' ) ) { 275 wp_enqueue_script( 'jquery-masonry' ); 276 } 277 278 // Loads JavaScript file with functionality specific to Twenty Thirteen. 279 wp_enqueue_script( 'twentythirteen-script', get_template_directory_uri() . '/js/functions.js', array( 'jquery' ), '20171218', true ); 280 281 // Add Source Sans Pro and Bitter fonts, used in the main stylesheet. 282 wp_enqueue_style( 'twentythirteen-fonts', twentythirteen_fonts_url(), array(), null ); 283 284 // Add Genericons font, used in the main stylesheet. 285 wp_enqueue_style( 'genericons', get_template_directory_uri() . '/genericons/genericons.css', array(), '3.0.3' ); 286 287 // Loads our main stylesheet. 288 wp_enqueue_style( 'twentythirteen-style', get_stylesheet_uri(), array(), '20201208' ); 289 290 // Theme block stylesheet. 291 wp_enqueue_style( 'twentythirteen-block-style', get_template_directory_uri() . '/css/blocks.css', array( 'twentythirteen-style' ), '20190102' ); 292 293 // Loads the Internet Explorer specific stylesheet. 294 wp_enqueue_style( 'twentythirteen-ie', get_template_directory_uri() . '/css/ie.css', array( 'twentythirteen-style' ), '20150214' ); 295 wp_style_add_data( 'twentythirteen-ie', 'conditional', 'lt IE 9' ); 296 } 297 add_action( 'wp_enqueue_scripts', 'twentythirteen_scripts_styles' ); 298 299 /** 300 * Add preconnect for Google Fonts. 301 * 302 * @since Twenty Thirteen 2.1 303 * 304 * @param array $urls URLs to print for resource hints. 305 * @param string $relation_type The relation type the URLs are printed. 306 * @return array URLs to print for resource hints. 307 */ 308 function twentythirteen_resource_hints( $urls, $relation_type ) { 309 if ( wp_style_is( 'twentythirteen-fonts', 'queue' ) && 'preconnect' === $relation_type ) { 310 if ( version_compare( $GLOBALS['wp_version'], '4.7-alpha', '>=' ) ) { 311 $urls[] = array( 312 'href' => 'https://fonts.gstatic.com', 313 'crossorigin', 314 ); 315 } else { 316 $urls[] = 'https://fonts.gstatic.com'; 317 } 318 } 319 320 return $urls; 321 } 322 add_filter( 'wp_resource_hints', 'twentythirteen_resource_hints', 10, 2 ); 323 324 /** 325 * Enqueue styles for the block-based editor. 326 * 327 * @since Twenty Thirteen 2.5 328 */ 329 function twentythirteen_block_editor_styles() { 330 // Block styles. 331 wp_enqueue_style( 'twentythirteen-block-editor-style', get_template_directory_uri() . '/css/editor-blocks.css', array(), '20201208' ); 332 // Add custom fonts. 333 wp_enqueue_style( 'twentythirteen-fonts', twentythirteen_fonts_url(), array(), null ); 334 } 335 add_action( 'enqueue_block_editor_assets', 'twentythirteen_block_editor_styles' ); 336 337 /** 338 * Filter the page title. 339 * 340 * Creates a nicely formatted and more specific title element text for output 341 * in head of document, based on current view. 342 * 343 * @since Twenty Thirteen 1.0 344 * 345 * @param string $title Default title text for current view. 346 * @param string $sep Optional separator. 347 * @return string The filtered title. 348 */ 349 function twentythirteen_wp_title( $title, $sep ) { 350 global $paged, $page; 351 352 if ( is_feed() ) { 353 return $title; 354 } 355 356 // Add the site name. 357 $title .= get_bloginfo( 'name', 'display' ); 358 359 // Add the site description for the home/front page. 360 $site_description = get_bloginfo( 'description', 'display' ); 361 if ( $site_description && ( is_home() || is_front_page() ) ) { 362 $title = "$title $sep $site_description"; 363 } 364 365 // Add a page number if necessary. 366 if ( ( $paged >= 2 || $page >= 2 ) && ! is_404() ) { 367 /* translators: %s: Page number. */ 368 $title = "$title $sep " . sprintf( __( 'Page %s', 'twentythirteen' ), max( $paged, $page ) ); 369 } 370 371 return $title; 372 } 373 add_filter( 'wp_title', 'twentythirteen_wp_title', 10, 2 ); 374 375 /** 376 * Register two widget areas. 377 * 378 * @since Twenty Thirteen 1.0 379 */ 380 function twentythirteen_widgets_init() { 381 register_sidebar( 382 array( 383 'name' => __( 'Main Widget Area', 'twentythirteen' ), 384 'id' => 'sidebar-1', 385 'description' => __( 'Appears in the footer section of the site.', 'twentythirteen' ), 386 'before_widget' => '<aside id="%1$s" class="widget %2$s">', 387 'after_widget' => '</aside>', 388 'before_title' => '<h3 class="widget-title">', 389 'after_title' => '</h3>', 390 ) 391 ); 392 393 register_sidebar( 394 array( 395 'name' => __( 'Secondary Widget Area', 'twentythirteen' ), 396 'id' => 'sidebar-2', 397 'description' => __( 'Appears on posts and pages in the sidebar.', 'twentythirteen' ), 398 'before_widget' => '<aside id="%1$s" class="widget %2$s">', 399 'after_widget' => '</aside>', 400 'before_title' => '<h3 class="widget-title">', 401 'after_title' => '</h3>', 402 ) 403 ); 404 } 405 add_action( 'widgets_init', 'twentythirteen_widgets_init' ); 406 407 if ( ! function_exists( 'twentythirteen_paging_nav' ) ) : 408 /** 409 * Display navigation to next/previous set of posts when applicable. 410 * 411 * @since Twenty Thirteen 1.0 412 */ 413 function twentythirteen_paging_nav() { 414 global $wp_query; 415 416 // Don't print empty markup if there's only one page. 417 if ( $wp_query->max_num_pages < 2 ) { 418 return; 419 } 420 ?> 421 <nav class="navigation paging-navigation" role="navigation"> 422 <h1 class="screen-reader-text"><?php _e( 'Posts navigation', 'twentythirteen' ); ?></h1> 423 <div class="nav-links"> 424 425 <?php if ( get_next_posts_link() ) : ?> 426 <div class="nav-previous"><?php next_posts_link( __( '<span class="meta-nav">←</span> Older posts', 'twentythirteen' ) ); ?></div> 427 <?php endif; ?> 428 429 <?php if ( get_previous_posts_link() ) : ?> 430 <div class="nav-next"><?php previous_posts_link( __( 'Newer posts <span class="meta-nav">→</span>', 'twentythirteen' ) ); ?></div> 431 <?php endif; ?> 432 433 </div><!-- .nav-links --> 434 </nav><!-- .navigation --> 435 <?php 436 } 437 endif; 438 439 if ( ! function_exists( 'twentythirteen_post_nav' ) ) : 440 /** 441 * Display navigation to next/previous post when applicable. 442 * 443 * @since Twenty Thirteen 1.0 444 */ 445 function twentythirteen_post_nav() { 446 global $post; 447 448 // Don't print empty markup if there's nowhere to navigate. 449 $previous = ( is_attachment() ) ? get_post( $post->post_parent ) : get_adjacent_post( false, '', true ); 450 $next = get_adjacent_post( false, '', false ); 451 452 if ( ! $next && ! $previous ) { 453 return; 454 } 455 ?> 456 <nav class="navigation post-navigation" role="navigation"> 457 <h1 class="screen-reader-text"><?php _e( 'Post navigation', 'twentythirteen' ); ?></h1> 458 <div class="nav-links"> 459 460 <?php previous_post_link( '%link', _x( '<span class="meta-nav">←</span> %title', 'Previous post link', 'twentythirteen' ) ); ?> 461 <?php next_post_link( '%link', _x( '%title <span class="meta-nav">→</span>', 'Next post link', 'twentythirteen' ) ); ?> 462 463 </div><!-- .nav-links --> 464 </nav><!-- .navigation --> 465 <?php 466 } 467 endif; 468 469 if ( ! function_exists( 'twentythirteen_entry_meta' ) ) : 470 /** 471 * Print HTML with meta information for current post: categories, tags, permalink, author, and date. 472 * 473 * Create your own twentythirteen_entry_meta() to override in a child theme. 474 * 475 * @since Twenty Thirteen 1.0 476 */ 477 function twentythirteen_entry_meta() { 478 if ( is_sticky() && is_home() && ! is_paged() ) { 479 echo '<span class="featured-post">' . esc_html__( 'Sticky', 'twentythirteen' ) . '</span>'; 480 } 481 482 if ( ! has_post_format( 'link' ) && 'post' === get_post_type() ) { 483 twentythirteen_entry_date(); 484 } 485 486 /* translators: Used between list items, there is a space after the comma. */ 487 $categories_list = get_the_category_list( __( ', ', 'twentythirteen' ) ); 488 if ( $categories_list ) { 489 echo '<span class="categories-links">' . $categories_list . '</span>'; 490 } 491 492 /* translators: Used between list items, there is a space after the comma. */ 493 $tags_list = get_the_tag_list( '', __( ', ', 'twentythirteen' ) ); 494 if ( $tags_list && ! is_wp_error( $tags_list ) ) { 495 echo '<span class="tags-links">' . $tags_list . '</span>'; 496 } 497 498 // Post author. 499 if ( 'post' === get_post_type() ) { 500 printf( 501 '<span class="author vcard"><a class="url fn n" href="%1$s" title="%2$s" rel="author">%3$s</a></span>', 502 esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ), 503 /* translators: %s: Author display name. */ 504 esc_attr( sprintf( __( 'View all posts by %s', 'twentythirteen' ), get_the_author() ) ), 505 get_the_author() 506 ); 507 } 508 } 509 endif; 510 511 if ( ! function_exists( 'twentythirteen_entry_date' ) ) : 512 /** 513 * Print HTML with date information for current post. 514 * 515 * Create your own twentythirteen_entry_date() to override in a child theme. 516 * 517 * @since Twenty Thirteen 1.0 518 * 519 * @param bool $echo (optional) Whether to echo the date. Default true. 520 * @return string The HTML-formatted post date. 521 */ 522 function twentythirteen_entry_date( $echo = true ) { 523 if ( has_post_format( array( 'chat', 'status' ) ) ) { 524 /* translators: 1: Post format name, 2: Date. */ 525 $format_prefix = _x( '%1$s on %2$s', '1: post format name. 2: date', 'twentythirteen' ); 526 } else { 527 $format_prefix = '%2$s'; 528 } 529 530 $date = sprintf( 531 '<span class="date"><a href="%1$s" title="%2$s" rel="bookmark"><time class="entry-date" datetime="%3$s">%4$s</time></a></span>', 532 esc_url( get_permalink() ), 533 /* translators: %s: Post title. */ 534 esc_attr( sprintf( __( 'Permalink to %s', 'twentythirteen' ), the_title_attribute( 'echo=0' ) ) ), 535 esc_attr( get_the_date( 'c' ) ), 536 esc_html( sprintf( $format_prefix, get_post_format_string( get_post_format() ), get_the_date() ) ) 537 ); 538 539 if ( $echo ) { 540 echo $date; 541 } 542 543 return $date; 544 } 545 endif; 546 547 if ( ! function_exists( 'twentythirteen_the_attached_image' ) ) : 548 /** 549 * Print the attached image with a link to the next attached image. 550 * 551 * @since Twenty Thirteen 1.0 552 */ 553 function twentythirteen_the_attached_image() { 554 /** 555 * Filters the image attachment size to use. 556 * 557 * @since Twenty thirteen 1.0 558 * 559 * @param array $size { 560 * @type int The attachment height in pixels. 561 * @type int The attachment width in pixels. 562 * } 563 */ 564 $attachment_size = apply_filters( 'twentythirteen_attachment_size', array( 724, 724 ) ); 565 $next_attachment_url = wp_get_attachment_url(); 566 $post = get_post(); 567 568 /* 569 * Grab the IDs of all the image attachments in a gallery so we can get the URL 570 * of the next adjacent image in a gallery, or the first image (if we're 571 * looking at the last image in a gallery), or, in a gallery of one, just the 572 * link to that image file. 573 */ 574 $attachment_ids = get_posts( 575 array( 576 'post_parent' => $post->post_parent, 577 'fields' => 'ids', 578 'numberposts' => -1, 579 'post_status' => 'inherit', 580 'post_type' => 'attachment', 581 'post_mime_type' => 'image', 582 'order' => 'ASC', 583 'orderby' => 'menu_order ID', 584 ) 585 ); 586 587 // If there is more than 1 attachment in a gallery... 588 if ( count( $attachment_ids ) > 1 ) { 589 foreach ( $attachment_ids as $idx => $attachment_id ) { 590 if ( $attachment_id == $post->ID ) { 591 $next_id = $attachment_ids[ ( $idx + 1 ) % count( $attachment_ids ) ]; 592 break; 593 } 594 } 595 596 if ( $next_id ) { 597 // ...get the URL of the next image attachment. 598 $next_attachment_url = get_attachment_link( $next_id ); 599 } else { 600 // ...or get the URL of the first image attachment. 601 $next_attachment_url = get_attachment_link( reset( $attachment_ids ) ); 602 } 603 } 604 605 printf( 606 '<a href="%1$s" title="%2$s" rel="attachment">%3$s</a>', 607 esc_url( $next_attachment_url ), 608 the_title_attribute( array( 'echo' => false ) ), 609 wp_get_attachment_image( $post->ID, $attachment_size ) 610 ); 611 } 612 endif; 613 614 /** 615 * Return the post URL. 616 * 617 * @uses get_url_in_content() to get the URL in the post meta (if it exists) or 618 * the first link found in the post content. 619 * 620 * Falls back to the post permalink if no URL is found in the post. 621 * 622 * @since Twenty Thirteen 1.0 623 * 624 * @return string The Link format URL. 625 */ 626 function twentythirteen_get_link_url() { 627 $content = get_the_content(); 628 $has_url = get_url_in_content( $content ); 629 630 return ( $has_url ) ? $has_url : apply_filters( 'the_permalink', get_permalink() ); 631 } 632 633 if ( ! function_exists( 'twentythirteen_excerpt_more' ) && ! is_admin() ) : 634 /** 635 * Replaces "[...]" (appended to automatically generated excerpts) with ... 636 * and a Continue reading link. 637 * 638 * @since Twenty Thirteen 1.4 639 * 640 * @param string $more Default Read More excerpt link. 641 * @return string Filtered Read More excerpt link. 642 */ 643 function twentythirteen_excerpt_more( $more ) { 644 $link = sprintf( 645 '<a href="%1$s" class="more-link">%2$s</a>', 646 esc_url( get_permalink( get_the_ID() ) ), 647 /* translators: %s: Post title. */ 648 sprintf( __( 'Continue reading %s <span class="meta-nav">→</span>', 'twentythirteen' ), '<span class="screen-reader-text">' . get_the_title( get_the_ID() ) . '</span>' ) 649 ); 650 return ' … ' . $link; 651 } 652 add_filter( 'excerpt_more', 'twentythirteen_excerpt_more' ); 653 endif; 654 655 /** 656 * Extend the default WordPress body classes. 657 * 658 * Adds body classes to denote: 659 * 1. Single or multiple authors. 660 * 2. Active widgets in the sidebar to change the layout and spacing. 661 * 3. When avatars are disabled in discussion settings. 662 * 663 * @since Twenty Thirteen 1.0 664 * 665 * @param array $classes A list of existing body class values. 666 * @return array The filtered body class list. 667 */ 668 function twentythirteen_body_class( $classes ) { 669 if ( ! is_multi_author() ) { 670 $classes[] = 'single-author'; 671 } 672 673 if ( is_active_sidebar( 'sidebar-2' ) && ! is_attachment() && ! is_404() ) { 674 $classes[] = 'sidebar'; 675 } 676 677 if ( ! get_option( 'show_avatars' ) ) { 678 $classes[] = 'no-avatars'; 679 } 680 681 return $classes; 682 } 683 add_filter( 'body_class', 'twentythirteen_body_class' ); 684 685 /** 686 * Adjust content_width value for video post formats and attachment templates. 687 * 688 * @since Twenty Thirteen 1.0 689 */ 690 function twentythirteen_content_width() { 691 global $content_width; 692 693 if ( is_attachment() ) { 694 $content_width = 724; 695 } elseif ( has_post_format( 'audio' ) ) { 696 $content_width = 484; 697 } 698 } 699 add_action( 'template_redirect', 'twentythirteen_content_width' ); 700 701 /** 702 * Add postMessage support for site title and description for the Customizer. 703 * 704 * @since Twenty Thirteen 1.0 705 * 706 * @param WP_Customize_Manager $wp_customize Customizer object. 707 */ 708 function twentythirteen_customize_register( $wp_customize ) { 709 $wp_customize->get_setting( 'blogname' )->transport = 'postMessage'; 710 $wp_customize->get_setting( 'blogdescription' )->transport = 'postMessage'; 711 $wp_customize->get_setting( 'header_textcolor' )->transport = 'postMessage'; 712 713 if ( isset( $wp_customize->selective_refresh ) ) { 714 $wp_customize->selective_refresh->add_partial( 715 'blogname', 716 array( 717 'selector' => '.site-title', 718 'container_inclusive' => false, 719 'render_callback' => 'twentythirteen_customize_partial_blogname', 720 ) 721 ); 722 $wp_customize->selective_refresh->add_partial( 723 'blogdescription', 724 array( 725 'selector' => '.site-description', 726 'container_inclusive' => false, 727 'render_callback' => 'twentythirteen_customize_partial_blogdescription', 728 ) 729 ); 730 } 731 } 732 add_action( 'customize_register', 'twentythirteen_customize_register' ); 733 734 /** 735 * Render the site title for the selective refresh partial. 736 * 737 * @since Twenty Thirteen 1.9 738 * 739 * @see twentythirteen_customize_register() 740 * 741 * @return void 742 */ 743 function twentythirteen_customize_partial_blogname() { 744 bloginfo( 'name' ); 745 } 746 747 /** 748 * Render the site tagline for the selective refresh partial. 749 * 750 * @since Twenty Thirteen 1.9 751 * 752 * @see twentythirteen_customize_register() 753 * 754 * @return void 755 */ 756 function twentythirteen_customize_partial_blogdescription() { 757 bloginfo( 'description' ); 758 } 759 760 /** 761 * Enqueue JavaScript postMessage handlers for the Customizer. 762 * 763 * Binds JavaScript handlers to make the Customizer preview 764 * reload changes asynchronously. 765 * 766 * @since Twenty Thirteen 1.0 767 */ 768 function twentythirteen_customize_preview_js() { 769 wp_enqueue_script( 'twentythirteen-customizer', get_template_directory_uri() . '/js/theme-customizer.js', array( 'customize-preview' ), '20141120', true ); 770 } 771 add_action( 'customize_preview_init', 'twentythirteen_customize_preview_js' ); 772 773 /** 774 * Modifies tag cloud widget arguments to display all tags in the same font size 775 * and use list format for better accessibility. 776 * 777 * @since Twenty Thirteen 2.3 778 * 779 * @param array $args Arguments for tag cloud widget. 780 * @return array The filtered arguments for tag cloud widget. 781 */ 782 function twentythirteen_widget_tag_cloud_args( $args ) { 783 $args['largest'] = 22; 784 $args['smallest'] = 8; 785 $args['unit'] = 'pt'; 786 $args['format'] = 'list'; 787 788 return $args; 789 } 790 add_filter( 'widget_tag_cloud_args', 'twentythirteen_widget_tag_cloud_args' ); 791 792 /** 793 * Prevents `author-bio.php` partial template from interfering with rendering 794 * an author archive of a user with the `bio` username. 795 * 796 * @since Twenty Thirteen 3.0 797 * 798 * @param string $template Template file. 799 * @return string Replacement template file. 800 */ 801 function twentythirteen_author_bio_template( $template ) { 802 if ( is_author() ) { 803 $author = get_queried_object(); 804 if ( $author instanceof WP_User && 'bio' === $author->user_nicename ) { 805 // Use author templates if exist, fall back to template hierarchy otherwise. 806 return locate_template( array( "author-{$author->ID}.php", 'author.php' ) ); 807 } 808 } 809 810 return $template; 811 } 812 add_filter( 'author_template', 'twentythirteen_author_bio_template' ); 813 814 if ( ! function_exists( 'wp_body_open' ) ) : 815 /** 816 * Fire the wp_body_open action. 817 * 818 * Added for backward compatibility to support pre-5.2.0 WordPress versions. 819 * 820 * @since Twenty Thirteen 2.8 821 */ 822 function wp_body_open() { 823 /** 824 * Triggered after the opening <body> tag. 825 * 826 * @since Twenty Thirteen 2.8 827 */ 828 do_action( 'wp_body_open' ); 829 } 830 endif;
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| Generated: Fri May 14 01:00:04 2021 | Cross-referenced by PHPXref 0.7.1 |