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PHP Cross Reference of WordPress Trunk (Updated Daily) |
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1 <?php 2 /** 3 * Utilities used to fetch and create templates and template parts. 4 * 5 * @package WordPress 6 * @since 5.8.0 7 */ 8 9 // Define constants for supported wp_template_part_area taxonomy. 10 if ( ! defined( 'WP_TEMPLATE_PART_AREA_HEADER' ) ) { 11 define( 'WP_TEMPLATE_PART_AREA_HEADER', 'header' ); 12 } 13 if ( ! defined( 'WP_TEMPLATE_PART_AREA_FOOTER' ) ) { 14 define( 'WP_TEMPLATE_PART_AREA_FOOTER', 'footer' ); 15 } 16 if ( ! defined( 'WP_TEMPLATE_PART_AREA_SIDEBAR' ) ) { 17 define( 'WP_TEMPLATE_PART_AREA_SIDEBAR', 'sidebar' ); 18 } 19 if ( ! defined( 'WP_TEMPLATE_PART_AREA_UNCATEGORIZED' ) ) { 20 define( 'WP_TEMPLATE_PART_AREA_UNCATEGORIZED', 'uncategorized' ); 21 } 22 23 /** 24 * For backward compatibility reasons, 25 * block themes might be using block-templates or block-template-parts, 26 * this function ensures we fallback to these folders properly. 27 * 28 * @since 5.9.0 29 * 30 * @param string $theme_stylesheet The stylesheet. Default is to leverage the main theme root. 31 * 32 * @return string[] { 33 * Folder names used by block themes. 34 * 35 * @type string $wp_template Theme-relative directory name for block templates. 36 * @type string $wp_template_part Theme-relative directory name for block template parts. 37 * } 38 */ 39 function get_block_theme_folders( $theme_stylesheet = null ) { 40 $theme = wp_get_theme( (string) $theme_stylesheet ); 41 if ( ! $theme->exists() ) { 42 // Return the default folders if the theme doesn't exist. 43 return array( 44 'wp_template' => 'templates', 45 'wp_template_part' => 'parts', 46 ); 47 } 48 return $theme->get_block_template_folders(); 49 } 50 51 /** 52 * Returns a filtered list of allowed area values for template parts. 53 * 54 * @since 5.9.0 55 * 56 * @return array[] { 57 * The allowed template part area values. 58 * 59 * @type array ...$0 { 60 * Data for the allowed template part area. 61 * 62 * @type string $area Template part area name. 63 * @type string $label Template part area label. 64 * @type string $description Template part area description. 65 * @type string $icon Template part area icon. 66 * @type string $area_tag Template part area tag. 67 * } 68 * } 69 */ 70 function get_allowed_block_template_part_areas() { 71 $default_area_definitions = array( 72 array( 73 'area' => WP_TEMPLATE_PART_AREA_UNCATEGORIZED, 74 'label' => _x( 'General', 'template part area' ), 75 'description' => __( 76 'General templates often perform a specific role like displaying post content, and are not tied to any particular area.' 77 ), 78 'icon' => 'layout', 79 'area_tag' => 'div', 80 ), 81 array( 82 'area' => WP_TEMPLATE_PART_AREA_HEADER, 83 'label' => _x( 'Header', 'template part area' ), 84 'description' => __( 85 'The Header template defines a page area that typically contains a title, logo, and main navigation.' 86 ), 87 'icon' => 'header', 88 'area_tag' => 'header', 89 ), 90 array( 91 'area' => WP_TEMPLATE_PART_AREA_FOOTER, 92 'label' => _x( 'Footer', 'template part area' ), 93 'description' => __( 94 'The Footer template defines a page area that typically contains site credits, social links, or any other combination of blocks.' 95 ), 96 'icon' => 'footer', 97 'area_tag' => 'footer', 98 ), 99 ); 100 101 /** 102 * Filters the list of allowed template part area values. 103 * 104 * @since 5.9.0 105 * 106 * @param array[] $default_area_definitions { 107 * The allowed template part area values. 108 * 109 * @type array ...$0 { 110 * Data for the template part area. 111 * 112 * @type string $area Template part area name. 113 * @type string $label Template part area label. 114 * @type string $description Template part area description. 115 * @type string $icon Template part area icon. 116 * @type string $area_tag Template part area tag. 117 * } 118 * } 119 */ 120 return apply_filters( 'default_wp_template_part_areas', $default_area_definitions ); 121 } 122 123 124 /** 125 * Returns a filtered list of default template types, containing their 126 * localized titles and descriptions. 127 * 128 * @since 5.9.0 129 * 130 * @return array[] { 131 * The default template types. 132 * 133 * @type array ...$0 { 134 * Data for the template type. 135 * 136 * @type string $title Template type title. 137 * @type string $description Template type description. 138 * } 139 * } 140 */ 141 function get_default_block_template_types() { 142 $default_template_types = array( 143 'index' => array( 144 'title' => _x( 'Index', 'Template name' ), 145 'description' => __( 'Used as a fallback template for all pages when a more specific template is not defined.' ), 146 ), 147 'home' => array( 148 'title' => _x( 'Blog Home', 'Template name' ), 149 'description' => __( 'Displays the latest posts as either the site homepage or as the "Posts page" as defined under reading settings. If it exists, the Front Page template overrides this template when posts are shown on the homepage.' ), 150 ), 151 'front-page' => array( 152 'title' => _x( 'Front Page', 'Template name' ), 153 'description' => __( 'Displays your site\'s homepage, whether it is set to display latest posts or a static page. The Front Page template takes precedence over all templates.' ), 154 ), 155 'singular' => array( 156 'title' => _x( 'Single Entries', 'Template name' ), 157 'description' => __( 'Displays any single entry, such as a post or a page. This template will serve as a fallback when a more specific template (e.g. Single Post, Page, or Attachment) cannot be found.' ), 158 ), 159 'single' => array( 160 'title' => _x( 'Single Posts', 'Template name' ), 161 'description' => __( 'Displays a single post on your website unless a custom template has been applied to that post or a dedicated template exists.' ), 162 ), 163 'page' => array( 164 'title' => _x( 'Pages', 'Template name' ), 165 'description' => __( 'Displays a static page unless a custom template has been applied to that page or a dedicated template exists.' ), 166 ), 167 'archive' => array( 168 'title' => _x( 'All Archives', 'Template name' ), 169 'description' => __( 'Displays any archive, including posts by a single author, category, tag, taxonomy, custom post type, and date. This template will serve as a fallback when more specific templates (e.g. Category or Tag) cannot be found.' ), 170 ), 171 'author' => array( 172 'title' => _x( 'Author Archives', 'Template name' ), 173 'description' => __( 'Displays a single author\'s post archive. This template will serve as a fallback when a more specific template (e.g. Author: Admin) cannot be found.' ), 174 ), 175 'category' => array( 176 'title' => _x( 'Category Archives', 'Template name' ), 177 'description' => __( 'Displays a post category archive. This template will serve as a fallback when a more specific template (e.g. Category: Recipes) cannot be found.' ), 178 ), 179 'taxonomy' => array( 180 'title' => _x( 'Taxonomy', 'Template name' ), 181 'description' => __( 'Displays a custom taxonomy archive. Like categories and tags, taxonomies have terms which you use to classify things. For example: a taxonomy named "Art" can have multiple terms, such as "Modern" and "18th Century." This template will serve as a fallback when a more specific template (e.g. Taxonomy: Art) cannot be found.' ), 182 ), 183 'date' => array( 184 'title' => _x( 'Date Archives', 'Template name' ), 185 'description' => __( 'Displays a post archive when a specific date is visited (e.g., example.com/2023/).' ), 186 ), 187 'tag' => array( 188 'title' => _x( 'Tag Archives', 'Template name' ), 189 'description' => __( 'Displays a post tag archive. This template will serve as a fallback when a more specific template (e.g. Tag: Pizza) cannot be found.' ), 190 ), 191 'attachment' => array( 192 'title' => __( 'Attachment Pages' ), 193 'description' => __( 'Displays when a visitor views the dedicated page that exists for any media attachment.' ), 194 ), 195 'search' => array( 196 'title' => _x( 'Search Results', 'Template name' ), 197 'description' => __( 'Displays when a visitor performs a search on your website.' ), 198 ), 199 'privacy-policy' => array( 200 'title' => __( 'Privacy Policy' ), 201 'description' => __( 'Displays your site\'s Privacy Policy page.' ), 202 ), 203 '404' => array( 204 'title' => _x( 'Page: 404', 'Template name' ), 205 'description' => __( 'Displays when a visitor views a non-existent page, such as a dead link or a mistyped URL.' ), 206 ), 207 ); 208 209 // Add a title and description to post format templates. 210 $post_formats = get_post_format_strings(); 211 foreach ( $post_formats as $post_format_slug => $post_format_name ) { 212 $default_template_types[ 'taxonomy-post_format-post-format-' . $post_format_slug ] = array( 213 'title' => sprintf( 214 /* translators: %s: Post format name. */ 215 _x( 'Post Format: %s', 'Template name' ), 216 $post_format_name 217 ), 218 'description' => sprintf( 219 /* translators: %s: Post format name. */ 220 __( 'Displays the %s post format archive.' ), 221 $post_format_name 222 ), 223 ); 224 } 225 226 /** 227 * Filters the list of default template types. 228 * 229 * @since 5.9.0 230 * 231 * @param array[] $default_template_types { 232 * The default template types. 233 * 234 * @type array ...$0 { 235 * Data for the template type. 236 * 237 * @type string $title Template type title. 238 * @type string $description Template type description. 239 * } 240 * } 241 */ 242 return apply_filters( 'default_template_types', $default_template_types ); 243 } 244 245 /** 246 * Checks whether the input 'area' is a supported value. 247 * Returns the input if supported, otherwise returns the 'uncategorized' value. 248 * 249 * @since 5.9.0 250 * @access private 251 * 252 * @param string $type Template part area name. 253 * @return string Input if supported, else the uncategorized value. 254 */ 255 function _filter_block_template_part_area( $type ) { 256 $allowed_areas = array_map( 257 static function ( $item ) { 258 return $item['area']; 259 }, 260 get_allowed_block_template_part_areas() 261 ); 262 if ( in_array( $type, $allowed_areas, true ) ) { 263 return $type; 264 } 265 266 $warning_message = sprintf( 267 /* translators: %1$s: Template area type, %2$s: the uncategorized template area value. */ 268 __( '"%1$s" is not a supported wp_template_part area value and has been added as "%2$s".' ), 269 $type, 270 WP_TEMPLATE_PART_AREA_UNCATEGORIZED 271 ); 272 wp_trigger_error( __FUNCTION__, $warning_message ); 273 return WP_TEMPLATE_PART_AREA_UNCATEGORIZED; 274 } 275 276 /** 277 * Finds all nested template part file paths in a theme's directory. 278 * 279 * @since 5.9.0 280 * @access private 281 * 282 * @param string $base_directory The theme's file path. 283 * @return string[] A list of paths to all template part files. 284 */ 285 function _get_block_templates_paths( $base_directory ) { 286 static $template_path_list = array(); 287 if ( isset( $template_path_list[ $base_directory ] ) ) { 288 return $template_path_list[ $base_directory ]; 289 } 290 $path_list = array(); 291 if ( is_dir( $base_directory ) ) { 292 $nested_files = new RecursiveIteratorIterator( new RecursiveDirectoryIterator( $base_directory ) ); 293 $nested_html_files = new RegexIterator( $nested_files, '/^.+\.html$/i', RecursiveRegexIterator::GET_MATCH ); 294 foreach ( $nested_html_files as $path => $file ) { 295 $path_list[] = $path; 296 } 297 } 298 $template_path_list[ $base_directory ] = $path_list; 299 return $path_list; 300 } 301 302 /** 303 * Retrieves the template file from the theme for a given slug. 304 * 305 * @since 5.9.0 306 * @access private 307 * 308 * @param string $template_type Template type. Either 'wp_template' or 'wp_template_part'. 309 * @param string $slug Template slug. 310 * @return array|null { 311 * Array with template metadata if $template_type is one of 'wp_template' or 'wp_template_part', 312 * null otherwise. 313 * 314 * @type string $slug Template slug. 315 * @type string $path Template file path. 316 * @type string $theme Theme slug. 317 * @type string $type Template type. 318 * @type string $area Template area. Only for 'wp_template_part'. 319 * @type string $title Optional. Template title. 320 * @type string[] $postTypes Optional. List of post types that the template supports. Only for 'wp_template'. 321 * } 322 */ 323 function _get_block_template_file( $template_type, $slug ) { 324 if ( 'wp_template' !== $template_type && 'wp_template_part' !== $template_type ) { 325 return null; 326 } 327 328 $themes = array( 329 get_stylesheet() => get_stylesheet_directory(), 330 get_template() => get_template_directory(), 331 ); 332 foreach ( $themes as $theme_slug => $theme_dir ) { 333 $template_base_paths = get_block_theme_folders( $theme_slug ); 334 $file_path = $theme_dir . '/' . $template_base_paths[ $template_type ] . '/' . $slug . '.html'; 335 if ( file_exists( $file_path ) ) { 336 $new_template_item = array( 337 'slug' => $slug, 338 'path' => $file_path, 339 'theme' => $theme_slug, 340 'type' => $template_type, 341 ); 342 343 if ( 'wp_template_part' === $template_type ) { 344 return _add_block_template_part_area_info( $new_template_item ); 345 } 346 347 // If it's not a `wp_template_part`, it must be a `wp_template`. 348 return _add_block_template_info( $new_template_item ); 349 } 350 } 351 352 return null; 353 } 354 355 /** 356 * Retrieves the template files from the theme. 357 * 358 * @since 5.9.0 359 * @since 6.3.0 Added the `$query` parameter. 360 * @access private 361 * 362 * @param string $template_type Template type. Either 'wp_template' or 'wp_template_part'. 363 * @param array $query { 364 * Arguments to retrieve templates. Optional, empty by default. 365 * 366 * @type string[] $slug__in List of slugs to include. 367 * @type string[] $slug__not_in List of slugs to skip. 368 * @type string $area A 'wp_template_part_area' taxonomy value to filter by (for 'wp_template_part' template type only). 369 * @type string $post_type Post type to get the templates for. 370 * } 371 * 372 * @return array|null Template files on success, null if `$template_type` is not matched. 373 */ 374 function _get_block_templates_files( $template_type, $query = array() ) { 375 if ( 'wp_template' !== $template_type && 'wp_template_part' !== $template_type ) { 376 return null; 377 } 378 379 $default_template_types = array(); 380 if ( 'wp_template' === $template_type ) { 381 $default_template_types = get_default_block_template_types(); 382 } 383 384 // Prepare metadata from $query. 385 $slugs_to_include = isset( $query['slug__in'] ) ? $query['slug__in'] : array(); 386 $slugs_to_skip = isset( $query['slug__not_in'] ) ? $query['slug__not_in'] : array(); 387 $area = isset( $query['area'] ) ? $query['area'] : null; 388 $post_type = isset( $query['post_type'] ) ? $query['post_type'] : ''; 389 390 $stylesheet = get_stylesheet(); 391 $template = get_template(); 392 $themes = array( 393 $stylesheet => get_stylesheet_directory(), 394 ); 395 // Add the parent theme if it's not the same as the current theme. 396 if ( $stylesheet !== $template ) { 397 $themes[ $template ] = get_template_directory(); 398 } 399 $template_files = array(); 400 foreach ( $themes as $theme_slug => $theme_dir ) { 401 $template_base_paths = get_block_theme_folders( $theme_slug ); 402 $theme_template_files = _get_block_templates_paths( $theme_dir . '/' . $template_base_paths[ $template_type ] ); 403 foreach ( $theme_template_files as $template_file ) { 404 $template_base_path = $template_base_paths[ $template_type ]; 405 $template_slug = substr( 406 $template_file, 407 // Starting position of slug. 408 strpos( $template_file, $template_base_path . DIRECTORY_SEPARATOR ) + 1 + strlen( $template_base_path ), 409 // Subtract ending '.html'. 410 -5 411 ); 412 413 // Skip this item if its slug doesn't match any of the slugs to include. 414 if ( ! empty( $slugs_to_include ) && ! in_array( $template_slug, $slugs_to_include, true ) ) { 415 continue; 416 } 417 418 // Skip this item if its slug matches any of the slugs to skip. 419 if ( ! empty( $slugs_to_skip ) && in_array( $template_slug, $slugs_to_skip, true ) ) { 420 continue; 421 } 422 423 /* 424 * The child theme items (stylesheet) are processed before the parent theme's (template). 425 * If a child theme defines a template, prevent the parent template from being added to the list as well. 426 */ 427 if ( isset( $template_files[ $template_slug ] ) ) { 428 continue; 429 } 430 431 $new_template_item = array( 432 'slug' => $template_slug, 433 'path' => $template_file, 434 'theme' => $theme_slug, 435 'type' => $template_type, 436 ); 437 438 if ( 'wp_template_part' === $template_type ) { 439 $candidate = _add_block_template_part_area_info( $new_template_item ); 440 if ( ! isset( $area ) || $area === $candidate['area'] ) { 441 $template_files[ $template_slug ] = $candidate; 442 } 443 } 444 445 if ( 'wp_template' === $template_type ) { 446 $candidate = _add_block_template_info( $new_template_item ); 447 $is_custom = ! isset( $default_template_types[ $candidate['slug'] ] ); 448 449 if ( 450 ! $post_type || 451 ( $post_type && isset( $candidate['postTypes'] ) && in_array( $post_type, $candidate['postTypes'], true ) ) 452 ) { 453 $template_files[ $template_slug ] = $candidate; 454 } 455 456 // The custom templates with no associated post types are available for all post types. 457 if ( $post_type && ! isset( $candidate['postTypes'] ) && $is_custom ) { 458 $template_files[ $template_slug ] = $candidate; 459 } 460 } 461 } 462 } 463 464 return array_values( $template_files ); 465 } 466 467 /** 468 * Attempts to add custom template information to the template item. 469 * 470 * @since 5.9.0 471 * @access private 472 * 473 * @param array $template_item Template to add information to (requires 'slug' field). 474 * @return array Template item. 475 */ 476 function _add_block_template_info( $template_item ) { 477 if ( ! wp_theme_has_theme_json() ) { 478 return $template_item; 479 } 480 481 $theme_data = wp_get_theme_data_custom_templates(); 482 if ( isset( $theme_data[ $template_item['slug'] ] ) ) { 483 $template_item['title'] = $theme_data[ $template_item['slug'] ]['title']; 484 $template_item['postTypes'] = $theme_data[ $template_item['slug'] ]['postTypes']; 485 } 486 487 return $template_item; 488 } 489 490 /** 491 * Attempts to add the template part's area information to the input template. 492 * 493 * @since 5.9.0 494 * @access private 495 * 496 * @param array $template_info Template to add information to (requires 'type' and 'slug' fields). 497 * @return array Template info. 498 */ 499 function _add_block_template_part_area_info( $template_info ) { 500 if ( wp_theme_has_theme_json() ) { 501 $theme_data = wp_get_theme_data_template_parts(); 502 } 503 504 if ( isset( $theme_data[ $template_info['slug'] ]['area'] ) ) { 505 $template_info['title'] = $theme_data[ $template_info['slug'] ]['title']; 506 $template_info['area'] = _filter_block_template_part_area( $theme_data[ $template_info['slug'] ]['area'] ); 507 } else { 508 $template_info['area'] = WP_TEMPLATE_PART_AREA_UNCATEGORIZED; 509 } 510 511 return $template_info; 512 } 513 514 /** 515 * Returns an array containing the references of 516 * the passed blocks and their inner blocks. 517 * 518 * @since 5.9.0 519 * @access private 520 * 521 * @param array $blocks array of blocks. 522 * @return array block references to the passed blocks and their inner blocks. 523 */ 524 function _flatten_blocks( &$blocks ) { 525 $all_blocks = array(); 526 $queue = array(); 527 foreach ( $blocks as &$block ) { 528 $queue[] = &$block; 529 } 530 531 while ( count( $queue ) > 0 ) { 532 $block = &$queue[0]; 533 array_shift( $queue ); 534 $all_blocks[] = &$block; 535 536 if ( ! empty( $block['innerBlocks'] ) ) { 537 foreach ( $block['innerBlocks'] as &$inner_block ) { 538 $queue[] = &$inner_block; 539 } 540 } 541 } 542 543 return $all_blocks; 544 } 545 546 /** 547 * Injects the active theme's stylesheet as a `theme` attribute 548 * into a given template part block. 549 * 550 * @since 6.4.0 551 * @access private 552 * 553 * @param array $block a parsed block. 554 */ 555 function _inject_theme_attribute_in_template_part_block( &$block ) { 556 if ( 557 'core/template-part' === $block['blockName'] && 558 ! isset( $block['attrs']['theme'] ) 559 ) { 560 $block['attrs']['theme'] = get_stylesheet(); 561 } 562 } 563 564 /** 565 * Removes the `theme` attribute from a given template part block. 566 * 567 * @since 6.4.0 568 * @access private 569 * 570 * @param array $block a parsed block. 571 */ 572 function _remove_theme_attribute_from_template_part_block( &$block ) { 573 if ( 574 'core/template-part' === $block['blockName'] && 575 isset( $block['attrs']['theme'] ) 576 ) { 577 unset( $block['attrs']['theme'] ); 578 } 579 } 580 581 /** 582 * Builds a unified template object based on a theme file. 583 * 584 * @since 5.9.0 585 * @since 6.3.0 Added `modified` property to template objects. 586 * @access private 587 * 588 * @param array $template_file Theme file. 589 * @param string $template_type Template type. Either 'wp_template' or 'wp_template_part'. 590 * @return WP_Block_Template Template. 591 */ 592 function _build_block_template_result_from_file( $template_file, $template_type ) { 593 $default_template_types = get_default_block_template_types(); 594 $theme = get_stylesheet(); 595 596 $template = new WP_Block_Template(); 597 $template->id = $theme . '//' . $template_file['slug']; 598 $template->theme = $theme; 599 $template->content = file_get_contents( $template_file['path'] ); 600 $template->slug = $template_file['slug']; 601 $template->source = 'theme'; 602 $template->type = $template_type; 603 $template->title = ! empty( $template_file['title'] ) ? $template_file['title'] : $template_file['slug']; 604 $template->status = 'publish'; 605 $template->has_theme_file = true; 606 $template->is_custom = true; 607 $template->modified = null; 608 609 if ( 'wp_template' === $template_type ) { 610 $registered_template = WP_Block_Templates_Registry::get_instance()->get_by_slug( $template_file['slug'] ); 611 if ( $registered_template ) { 612 $template->plugin = $registered_template->plugin; 613 $template->title = empty( $template->title ) || $template->title === $template->slug ? $registered_template->title : $template->title; 614 $template->description = empty( $template->description ) ? $registered_template->description : $template->description; 615 } 616 } 617 618 if ( 'wp_template' === $template_type && isset( $default_template_types[ $template_file['slug'] ] ) ) { 619 $template->description = $default_template_types[ $template_file['slug'] ]['description']; 620 $template->title = $default_template_types[ $template_file['slug'] ]['title']; 621 $template->is_custom = false; 622 } 623 624 if ( 'wp_template' === $template_type && isset( $template_file['postTypes'] ) ) { 625 $template->post_types = $template_file['postTypes']; 626 } 627 628 if ( 'wp_template_part' === $template_type && isset( $template_file['area'] ) ) { 629 $template->area = $template_file['area']; 630 } 631 632 if ( 'wp_template_part' === $template->type ) { 633 /* 634 * In order for hooked blocks to be inserted at positions first_child and last_child in a template part, 635 * we need to wrap its content a mock template part block and traverse it. 636 */ 637 $content = get_comment_delimited_block_content( 638 'core/template-part', 639 array(), 640 $template->content 641 ); 642 $content = apply_block_hooks_to_content( 643 $content, 644 $template, 645 'insert_hooked_blocks_and_set_ignored_hooked_blocks_metadata' 646 ); 647 $template->content = remove_serialized_parent_block( $content ); 648 } else { 649 $template->content = apply_block_hooks_to_content( 650 $template->content, 651 $template, 652 'insert_hooked_blocks_and_set_ignored_hooked_blocks_metadata' 653 ); 654 } 655 656 return $template; 657 } 658 659 /** 660 * Builds the title and description of a post-specific template based on the underlying referenced post. 661 * 662 * Mutates the underlying template object. 663 * 664 * @since 6.1.0 665 * @access private 666 * 667 * @param string $post_type Post type, e.g. page, post, product. 668 * @param string $slug Slug of the post, e.g. a-story-about-shoes. 669 * @param WP_Block_Template $template Template to mutate adding the description and title computed. 670 * @return bool Returns true if the referenced post was found and false otherwise. 671 */ 672 function _wp_build_title_and_description_for_single_post_type_block_template( $post_type, $slug, WP_Block_Template $template ) { 673 $post_type_object = get_post_type_object( $post_type ); 674 675 $default_args = array( 676 'post_type' => $post_type, 677 'post_status' => 'publish', 678 'posts_per_page' => 1, 679 'update_post_meta_cache' => false, 680 'update_post_term_cache' => false, 681 'ignore_sticky_posts' => true, 682 'no_found_rows' => true, 683 ); 684 685 $args = array( 686 'name' => $slug, 687 ); 688 $args = wp_parse_args( $args, $default_args ); 689 690 $posts_query = new WP_Query( $args ); 691 692 if ( empty( $posts_query->posts ) ) { 693 $template->title = sprintf( 694 /* translators: Custom template title in the Site Editor referencing a post that was not found. 1: Post type singular name, 2: Post type slug. */ 695 __( 'Not found: %1$s (%2$s)' ), 696 $post_type_object->labels->singular_name, 697 $slug 698 ); 699 700 return false; 701 } 702 703 $post_title = $posts_query->posts[0]->post_title; 704 705 $template->title = sprintf( 706 /* translators: Custom template title in the Site Editor. 1: Post type singular name, 2: Post title. */ 707 __( '%1$s: %2$s' ), 708 $post_type_object->labels->singular_name, 709 $post_title 710 ); 711 712 $template->description = sprintf( 713 /* translators: Custom template description in the Site Editor. %s: Post title. */ 714 __( 'Template for %s' ), 715 $post_title 716 ); 717 718 $args = array( 719 'title' => $post_title, 720 ); 721 $args = wp_parse_args( $args, $default_args ); 722 723 $posts_with_same_title_query = new WP_Query( $args ); 724 725 if ( count( $posts_with_same_title_query->posts ) > 1 ) { 726 $template->title = sprintf( 727 /* translators: Custom template title in the Site Editor. 1: Template title, 2: Post type slug. */ 728 __( '%1$s (%2$s)' ), 729 $template->title, 730 $slug 731 ); 732 } 733 734 return true; 735 } 736 737 /** 738 * Builds the title and description of a taxonomy-specific template based on the underlying entity referenced. 739 * 740 * Mutates the underlying template object. 741 * 742 * @since 6.1.0 743 * @access private 744 * 745 * @param string $taxonomy Identifier of the taxonomy, e.g. category. 746 * @param string $slug Slug of the term, e.g. shoes. 747 * @param WP_Block_Template $template Template to mutate adding the description and title computed. 748 * @return bool True if the term referenced was found and false otherwise. 749 */ 750 function _wp_build_title_and_description_for_taxonomy_block_template( $taxonomy, $slug, WP_Block_Template $template ) { 751 $taxonomy_object = get_taxonomy( $taxonomy ); 752 753 $default_args = array( 754 'taxonomy' => $taxonomy, 755 'hide_empty' => false, 756 'update_term_meta_cache' => false, 757 ); 758 759 $term_query = new WP_Term_Query(); 760 761 $args = array( 762 'number' => 1, 763 'slug' => $slug, 764 ); 765 $args = wp_parse_args( $args, $default_args ); 766 767 $terms_query = $term_query->query( $args ); 768 769 if ( empty( $terms_query ) ) { 770 $template->title = sprintf( 771 /* translators: Custom template title in the Site Editor, referencing a taxonomy term that was not found. 1: Taxonomy singular name, 2: Term slug. */ 772 __( 'Not found: %1$s (%2$s)' ), 773 $taxonomy_object->labels->singular_name, 774 $slug 775 ); 776 return false; 777 } 778 779 $term_title = $terms_query[0]->name; 780 781 $template->title = sprintf( 782 /* translators: Custom template title in the Site Editor. 1: Taxonomy singular name, 2: Term title. */ 783 __( '%1$s: %2$s' ), 784 $taxonomy_object->labels->singular_name, 785 $term_title 786 ); 787 788 $template->description = sprintf( 789 /* translators: Custom template description in the Site Editor. %s: Term title. */ 790 __( 'Template for %s' ), 791 $term_title 792 ); 793 794 $term_query = new WP_Term_Query(); 795 796 $args = array( 797 'number' => 2, 798 'name' => $term_title, 799 ); 800 $args = wp_parse_args( $args, $default_args ); 801 802 $terms_with_same_title_query = $term_query->query( $args ); 803 804 if ( count( $terms_with_same_title_query ) > 1 ) { 805 $template->title = sprintf( 806 /* translators: Custom template title in the Site Editor. 1: Template title, 2: Term slug. */ 807 __( '%1$s (%2$s)' ), 808 $template->title, 809 $slug 810 ); 811 } 812 813 return true; 814 } 815 816 /** 817 * Builds a block template object from a post object. 818 * 819 * This is a helper function that creates a block template object from a given post object. 820 * It is self-sufficient in that it only uses information passed as arguments; it does not 821 * query the database for additional information. 822 * 823 * @since 6.5.3 824 * @access private 825 * 826 * @param WP_Post $post Template post. 827 * @param array $terms Additional terms to inform the template object. 828 * @param array $meta Additional meta fields to inform the template object. 829 * @return WP_Block_Template|WP_Error Template or error object. 830 */ 831 function _build_block_template_object_from_post_object( $post, $terms = array(), $meta = array() ) { 832 if ( empty( $terms['wp_theme'] ) ) { 833 return new WP_Error( 'template_missing_theme', __( 'No theme is defined for this template.' ) ); 834 } 835 $theme = $terms['wp_theme']; 836 837 $default_template_types = get_default_block_template_types(); 838 839 $template_file = _get_block_template_file( $post->post_type, $post->post_name ); 840 $has_theme_file = get_stylesheet() === $theme && null !== $template_file; 841 842 $template = new WP_Block_Template(); 843 $template->wp_id = $post->ID; 844 $template->id = $theme . '//' . $post->post_name; 845 $template->theme = $theme; 846 $template->content = $post->post_content; 847 $template->slug = $post->post_name; 848 $template->source = 'custom'; 849 $template->origin = ! empty( $meta['origin'] ) ? $meta['origin'] : null; 850 $template->type = $post->post_type; 851 $template->description = $post->post_excerpt; 852 $template->title = $post->post_title; 853 $template->status = $post->post_status; 854 $template->has_theme_file = $has_theme_file; 855 $template->is_custom = empty( $meta['is_wp_suggestion'] ); 856 $template->author = $post->post_author; 857 $template->modified = $post->post_modified; 858 859 if ( 'wp_template' === $post->post_type && $has_theme_file && isset( $template_file['postTypes'] ) ) { 860 $template->post_types = $template_file['postTypes']; 861 } 862 863 if ( 'wp_template' === $post->post_type && isset( $default_template_types[ $template->slug ] ) ) { 864 $template->is_custom = false; 865 } 866 867 if ( 'wp_template_part' === $post->post_type && isset( $terms['wp_template_part_area'] ) ) { 868 $template->area = $terms['wp_template_part_area']; 869 } 870 871 return $template; 872 } 873 874 /** 875 * Builds a unified template object based a post Object. 876 * 877 * @since 5.9.0 878 * @since 6.3.0 Added `modified` property to template objects. 879 * @since 6.4.0 Added support for a revision post to be passed to this function. 880 * @access private 881 * 882 * @param WP_Post $post Template post. 883 * @return WP_Block_Template|WP_Error Template or error object. 884 */ 885 function _build_block_template_result_from_post( $post ) { 886 $post_id = wp_is_post_revision( $post ); 887 if ( ! $post_id ) { 888 $post_id = $post; 889 } 890 $parent_post = get_post( $post_id ); 891 $post->post_name = $parent_post->post_name; 892 $post->post_type = $parent_post->post_type; 893 894 $terms = get_the_terms( $parent_post, 'wp_theme' ); 895 896 if ( is_wp_error( $terms ) ) { 897 return $terms; 898 } 899 900 if ( ! $terms ) { 901 return new WP_Error( 'template_missing_theme', __( 'No theme is defined for this template.' ) ); 902 } 903 904 $terms = array( 905 'wp_theme' => $terms[0]->name, 906 ); 907 908 if ( 'wp_template_part' === $parent_post->post_type ) { 909 $type_terms = get_the_terms( $parent_post, 'wp_template_part_area' ); 910 if ( ! is_wp_error( $type_terms ) && false !== $type_terms ) { 911 $terms['wp_template_part_area'] = $type_terms[0]->name; 912 } 913 } 914 915 $meta = array( 916 'origin' => get_post_meta( $parent_post->ID, 'origin', true ), 917 'is_wp_suggestion' => get_post_meta( $parent_post->ID, 'is_wp_suggestion', true ), 918 ); 919 920 $template = _build_block_template_object_from_post_object( $post, $terms, $meta ); 921 922 if ( is_wp_error( $template ) ) { 923 return $template; 924 } 925 926 // Check for a block template without a description and title or with a title equal to the slug. 927 if ( 'wp_template' === $parent_post->post_type && empty( $template->description ) && ( empty( $template->title ) || $template->title === $template->slug ) ) { 928 $matches = array(); 929 930 // Check for a block template for a single author, page, post, tag, category, custom post type, or custom taxonomy. 931 if ( preg_match( '/(author|page|single|tag|category|taxonomy)-(.+)/', $template->slug, $matches ) ) { 932 $type = $matches[1]; 933 $slug_remaining = $matches[2]; 934 935 switch ( $type ) { 936 case 'author': 937 $nice_name = $slug_remaining; 938 $users = get_users( 939 array( 940 'capability' => 'edit_posts', 941 'search' => $nice_name, 942 'search_columns' => array( 'user_nicename' ), 943 'fields' => 'display_name', 944 ) 945 ); 946 947 if ( empty( $users ) ) { 948 $template->title = sprintf( 949 /* translators: Custom template title in the Site Editor, referencing a deleted author. %s: Author nicename. */ 950 __( 'Deleted author: %s' ), 951 $nice_name 952 ); 953 } else { 954 $author_name = $users[0]; 955 956 $template->title = sprintf( 957 /* translators: Custom template title in the Site Editor. %s: Author name. */ 958 __( 'Author: %s' ), 959 $author_name 960 ); 961 962 $template->description = sprintf( 963 /* translators: Custom template description in the Site Editor. %s: Author name. */ 964 __( 'Template for %s' ), 965 $author_name 966 ); 967 968 $users_with_same_name = get_users( 969 array( 970 'capability' => 'edit_posts', 971 'search' => $author_name, 972 'search_columns' => array( 'display_name' ), 973 'fields' => 'display_name', 974 ) 975 ); 976 977 if ( count( $users_with_same_name ) > 1 ) { 978 $template->title = sprintf( 979 /* translators: Custom template title in the Site Editor. 1: Template title of an author template, 2: Author nicename. */ 980 __( '%1$s (%2$s)' ), 981 $template->title, 982 $nice_name 983 ); 984 } 985 } 986 break; 987 case 'page': 988 _wp_build_title_and_description_for_single_post_type_block_template( 'page', $slug_remaining, $template ); 989 break; 990 case 'single': 991 $post_types = get_post_types(); 992 993 foreach ( $post_types as $post_type ) { 994 $post_type_length = strlen( $post_type ) + 1; 995 996 // If $slug_remaining starts with $post_type followed by a hyphen. 997 if ( 0 === strncmp( $slug_remaining, $post_type . '-', $post_type_length ) ) { 998 $slug = substr( $slug_remaining, $post_type_length, strlen( $slug_remaining ) ); 999 $found = _wp_build_title_and_description_for_single_post_type_block_template( $post_type, $slug, $template ); 1000 1001 if ( $found ) { 1002 break; 1003 } 1004 } 1005 } 1006 break; 1007 case 'tag': 1008 _wp_build_title_and_description_for_taxonomy_block_template( 'post_tag', $slug_remaining, $template ); 1009 break; 1010 case 'category': 1011 _wp_build_title_and_description_for_taxonomy_block_template( 'category', $slug_remaining, $template ); 1012 break; 1013 case 'taxonomy': 1014 $taxonomies = get_taxonomies(); 1015 1016 foreach ( $taxonomies as $taxonomy ) { 1017 $taxonomy_length = strlen( $taxonomy ) + 1; 1018 1019 // If $slug_remaining starts with $taxonomy followed by a hyphen. 1020 if ( 0 === strncmp( $slug_remaining, $taxonomy . '-', $taxonomy_length ) ) { 1021 $slug = substr( $slug_remaining, $taxonomy_length, strlen( $slug_remaining ) ); 1022 $found = _wp_build_title_and_description_for_taxonomy_block_template( $taxonomy, $slug, $template ); 1023 1024 if ( $found ) { 1025 break; 1026 } 1027 } 1028 } 1029 break; 1030 } 1031 } 1032 } 1033 1034 if ( 'wp_template' === $post->post_type ) { 1035 $registered_template = WP_Block_Templates_Registry::get_instance()->get_by_slug( $template->slug ); 1036 if ( $registered_template ) { 1037 $template->plugin = $registered_template->plugin; 1038 $template->origin = 1039 'theme' !== $template->origin && 'theme' !== $template->source ? 1040 'plugin' : 1041 $template->origin; 1042 $template->title = empty( $template->title ) || $template->title === $template->slug ? $registered_template->title : $template->title; 1043 $template->description = empty( $template->description ) ? $registered_template->description : $template->description; 1044 } 1045 } 1046 1047 if ( 'wp_template_part' === $template->type ) { 1048 $existing_ignored_hooked_blocks = get_post_meta( $post->ID, '_wp_ignored_hooked_blocks', true ); 1049 $attributes = ! empty( $existing_ignored_hooked_blocks ) ? array( 'metadata' => array( 'ignoredHookedBlocks' => json_decode( $existing_ignored_hooked_blocks, true ) ) ) : array(); 1050 1051 /* 1052 * In order for hooked blocks to be inserted at positions first_child and last_child in a template part, 1053 * we need to wrap its content a mock template part block and traverse it. 1054 */ 1055 $content = get_comment_delimited_block_content( 1056 'core/template-part', 1057 $attributes, 1058 $template->content 1059 ); 1060 $content = apply_block_hooks_to_content( 1061 $content, 1062 $template, 1063 'insert_hooked_blocks_and_set_ignored_hooked_blocks_metadata' 1064 ); 1065 $template->content = remove_serialized_parent_block( $content ); 1066 } else { 1067 $template->content = apply_block_hooks_to_content( 1068 $template->content, 1069 $template, 1070 'insert_hooked_blocks_and_set_ignored_hooked_blocks_metadata' 1071 ); 1072 } 1073 1074 return $template; 1075 } 1076 1077 /** 1078 * Retrieves a list of unified template objects based on a query. 1079 * 1080 * @since 5.8.0 1081 * 1082 * @param array $query { 1083 * Optional. Arguments to retrieve templates. 1084 * 1085 * @type string[] $slug__in List of slugs to include. 1086 * @type int $wp_id Post ID of customized template. 1087 * @type string $area A 'wp_template_part_area' taxonomy value to filter by (for 'wp_template_part' template type only). 1088 * @type string $post_type Post type to get the templates for. 1089 * } 1090 * @param string $template_type Template type. Either 'wp_template' or 'wp_template_part'. 1091 * @return WP_Block_Template[] Array of block templates. 1092 */ 1093 function get_block_templates( $query = array(), $template_type = 'wp_template' ) { 1094 /** 1095 * Filters the block templates array before the query takes place. 1096 * 1097 * Return a non-null value to bypass the WordPress queries. 1098 * 1099 * @since 5.9.0 1100 * 1101 * @param WP_Block_Template[]|null $block_templates Return an array of block templates to short-circuit the default query, 1102 * or null to allow WP to run its normal queries. 1103 * @param array $query { 1104 * Arguments to retrieve templates. All arguments are optional. 1105 * 1106 * @type string[] $slug__in List of slugs to include. 1107 * @type int $wp_id Post ID of customized template. 1108 * @type string $area A 'wp_template_part_area' taxonomy value to filter by (for 'wp_template_part' template type only). 1109 * @type string $post_type Post type to get the templates for. 1110 * } 1111 * @param string $template_type Template type. Either 'wp_template' or 'wp_template_part'. 1112 */ 1113 $templates = apply_filters( 'pre_get_block_templates', null, $query, $template_type ); 1114 if ( ! is_null( $templates ) ) { 1115 return $templates; 1116 } 1117 1118 $post_type = isset( $query['post_type'] ) ? $query['post_type'] : ''; 1119 $wp_query_args = array( 1120 'post_status' => array( 'auto-draft', 'draft', 'publish' ), 1121 'post_type' => $template_type, 1122 'posts_per_page' => -1, 1123 'no_found_rows' => true, 1124 'lazy_load_term_meta' => false, 1125 'tax_query' => array( 1126 array( 1127 'taxonomy' => 'wp_theme', 1128 'field' => 'name', 1129 'terms' => get_stylesheet(), 1130 ), 1131 ), 1132 ); 1133 1134 if ( 'wp_template_part' === $template_type && isset( $query['area'] ) ) { 1135 $wp_query_args['tax_query'][] = array( 1136 'taxonomy' => 'wp_template_part_area', 1137 'field' => 'name', 1138 'terms' => $query['area'], 1139 ); 1140 $wp_query_args['tax_query']['relation'] = 'AND'; 1141 } 1142 1143 if ( ! empty( $query['slug__in'] ) ) { 1144 $wp_query_args['post_name__in'] = $query['slug__in']; 1145 $wp_query_args['posts_per_page'] = count( array_unique( $query['slug__in'] ) ); 1146 } 1147 1148 // This is only needed for the regular templates/template parts post type listing and editor. 1149 if ( isset( $query['wp_id'] ) ) { 1150 $wp_query_args['p'] = $query['wp_id']; 1151 } else { 1152 $wp_query_args['post_status'] = 'publish'; 1153 } 1154 1155 $template_query = new WP_Query( $wp_query_args ); 1156 $query_result = array(); 1157 foreach ( $template_query->posts as $post ) { 1158 $template = _build_block_template_result_from_post( $post ); 1159 1160 if ( is_wp_error( $template ) ) { 1161 continue; 1162 } 1163 1164 if ( $post_type && ! $template->is_custom ) { 1165 continue; 1166 } 1167 1168 if ( 1169 $post_type && 1170 isset( $template->post_types ) && 1171 ! in_array( $post_type, $template->post_types, true ) 1172 ) { 1173 continue; 1174 } 1175 1176 $query_result[] = $template; 1177 } 1178 1179 if ( ! isset( $query['wp_id'] ) ) { 1180 /* 1181 * If the query has found some user templates, those have priority 1182 * over the theme-provided ones, so we skip querying and building them. 1183 */ 1184 $query['slug__not_in'] = wp_list_pluck( $query_result, 'slug' ); 1185 /* 1186 * We need to unset the post_type query param because some templates 1187 * would be excluded otherwise, like `page.html` when looking for 1188 * `page` templates. We need all templates so we can exclude duplicates 1189 * from plugin-registered templates. 1190 * See: https://github.com/WordPress/gutenberg/issues/65584 1191 */ 1192 $template_files_query = $query; 1193 unset( $template_files_query['post_type'] ); 1194 $template_files = _get_block_templates_files( $template_type, $template_files_query ); 1195 foreach ( $template_files as $template_file ) { 1196 // If the query doesn't specify a post type, or it does and the template matches the post type, add it. 1197 if ( 1198 ! isset( $query['post_type'] ) || 1199 ( 1200 isset( $template_file['postTypes'] ) && 1201 in_array( $query['post_type'], $template_file['postTypes'], true ) 1202 ) 1203 ) { 1204 $query_result[] = _build_block_template_result_from_file( $template_file, $template_type ); 1205 } elseif ( ! isset( $template_file['postTypes'] ) ) { 1206 // The custom templates with no associated post types are available for all post types as long 1207 // as they are not default templates. 1208 $candidate = _build_block_template_result_from_file( $template_file, $template_type ); 1209 $default_template_types = get_default_block_template_types(); 1210 if ( ! isset( $default_template_types[ $candidate->slug ] ) ) { 1211 $query_result[] = $candidate; 1212 } 1213 } 1214 } 1215 1216 if ( 'wp_template' === $template_type ) { 1217 // Add templates registered in the template registry. Filtering out the ones which have a theme file. 1218 $registered_templates = WP_Block_Templates_Registry::get_instance()->get_by_query( $query ); 1219 $matching_registered_templates = array_filter( 1220 $registered_templates, 1221 function ( $registered_template ) use ( $template_files ) { 1222 foreach ( $template_files as $template_file ) { 1223 if ( $template_file['slug'] === $registered_template->slug ) { 1224 return false; 1225 } 1226 } 1227 return true; 1228 } 1229 ); 1230 $query_result = array_merge( $query_result, $matching_registered_templates ); 1231 } 1232 } 1233 1234 /** 1235 * Filters the array of queried block templates array after they've been fetched. 1236 * 1237 * @since 5.9.0 1238 * 1239 * @param WP_Block_Template[] $query_result Array of found block templates. 1240 * @param array $query { 1241 * Arguments to retrieve templates. All arguments are optional. 1242 * 1243 * @type string[] $slug__in List of slugs to include. 1244 * @type int $wp_id Post ID of customized template. 1245 * @type string $area A 'wp_template_part_area' taxonomy value to filter by (for 'wp_template_part' template type only). 1246 * @type string $post_type Post type to get the templates for. 1247 * } 1248 * @param string $template_type wp_template or wp_template_part. 1249 */ 1250 return apply_filters( 'get_block_templates', $query_result, $query, $template_type ); 1251 } 1252 1253 /** 1254 * Retrieves a single unified template object using its id. 1255 * 1256 * @since 5.8.0 1257 * 1258 * @param string $id Template unique identifier (example: 'theme_slug//template_slug'). 1259 * @param string $template_type Optional. Template type. Either 'wp_template' or 'wp_template_part'. 1260 * Default 'wp_template'. 1261 * @return WP_Block_Template|null Template. 1262 */ 1263 function get_block_template( $id, $template_type = 'wp_template' ) { 1264 /** 1265 * Filters the block template object before the query takes place. 1266 * 1267 * Return a non-null value to bypass the WordPress queries. 1268 * 1269 * @since 5.9.0 1270 * 1271 * @param WP_Block_Template|null $block_template Return block template object to short-circuit the default query, 1272 * or null to allow WP to run its normal queries. 1273 * @param string $id Template unique identifier (example: 'theme_slug//template_slug'). 1274 * @param string $template_type Template type. Either 'wp_template' or 'wp_template_part'. 1275 */ 1276 $block_template = apply_filters( 'pre_get_block_template', null, $id, $template_type ); 1277 if ( ! is_null( $block_template ) ) { 1278 return $block_template; 1279 } 1280 1281 $parts = explode( '//', $id, 2 ); 1282 if ( count( $parts ) < 2 ) { 1283 return null; 1284 } 1285 list( $theme, $slug ) = $parts; 1286 $wp_query_args = array( 1287 'post_name__in' => array( $slug ), 1288 'post_type' => $template_type, 1289 'post_status' => array( 'auto-draft', 'draft', 'publish', 'trash' ), 1290 'posts_per_page' => 1, 1291 'no_found_rows' => true, 1292 'tax_query' => array( 1293 array( 1294 'taxonomy' => 'wp_theme', 1295 'field' => 'name', 1296 'terms' => $theme, 1297 ), 1298 ), 1299 ); 1300 $template_query = new WP_Query( $wp_query_args ); 1301 $posts = $template_query->posts; 1302 1303 if ( count( $posts ) > 0 ) { 1304 $template = _build_block_template_result_from_post( $posts[0] ); 1305 1306 if ( ! is_wp_error( $template ) ) { 1307 return $template; 1308 } 1309 } 1310 1311 $block_template = get_block_file_template( $id, $template_type ); 1312 1313 /** 1314 * Filters the queried block template object after it's been fetched. 1315 * 1316 * @since 5.9.0 1317 * 1318 * @param WP_Block_Template|null $block_template The found block template, or null if there isn't one. 1319 * @param string $id Template unique identifier (example: 'theme_slug//template_slug'). 1320 * @param string $template_type Template type. Either 'wp_template' or 'wp_template_part'. 1321 */ 1322 return apply_filters( 'get_block_template', $block_template, $id, $template_type ); 1323 } 1324 1325 /** 1326 * Retrieves a unified template object based on a theme file. 1327 * 1328 * This is a fallback of get_block_template(), used when no templates are found in the database. 1329 * 1330 * @since 5.9.0 1331 * 1332 * @param string $id Template unique identifier (example: 'theme_slug//template_slug'). 1333 * @param string $template_type Optional. Template type. Either 'wp_template' or 'wp_template_part'. 1334 * Default 'wp_template'. 1335 * @return WP_Block_Template|null The found block template, or null if there isn't one. 1336 */ 1337 function get_block_file_template( $id, $template_type = 'wp_template' ) { 1338 /** 1339 * Filters the block template object before the theme file discovery takes place. 1340 * 1341 * Return a non-null value to bypass the WordPress theme file discovery. 1342 * 1343 * @since 5.9.0 1344 * 1345 * @param WP_Block_Template|null $block_template Return block template object to short-circuit the default query, 1346 * or null to allow WP to run its normal queries. 1347 * @param string $id Template unique identifier (example: 'theme_slug//template_slug'). 1348 * @param string $template_type Template type. Either 'wp_template' or 'wp_template_part'. 1349 */ 1350 $block_template = apply_filters( 'pre_get_block_file_template', null, $id, $template_type ); 1351 if ( ! is_null( $block_template ) ) { 1352 return $block_template; 1353 } 1354 1355 $parts = explode( '//', $id, 2 ); 1356 if ( count( $parts ) < 2 ) { 1357 /** This filter is documented in wp-includes/block-template-utils.php */ 1358 return apply_filters( 'get_block_file_template', null, $id, $template_type ); 1359 } 1360 list( $theme, $slug ) = $parts; 1361 1362 if ( get_stylesheet() === $theme ) { 1363 $template_file = _get_block_template_file( $template_type, $slug ); 1364 if ( null !== $template_file ) { 1365 $block_template = _build_block_template_result_from_file( $template_file, $template_type ); 1366 1367 /** This filter is documented in wp-includes/block-template-utils.php */ 1368 return apply_filters( 'get_block_file_template', $block_template, $id, $template_type ); 1369 } 1370 } 1371 1372 $block_template = WP_Block_Templates_Registry::get_instance()->get_by_slug( $slug ); 1373 1374 /** 1375 * Filters the block template object after it has been (potentially) fetched from the theme file. 1376 * 1377 * @since 5.9.0 1378 * 1379 * @param WP_Block_Template|null $block_template The found block template, or null if there is none. 1380 * @param string $id Template unique identifier (example: 'theme_slug//template_slug'). 1381 * @param string $template_type Template type. Either 'wp_template' or 'wp_template_part'. 1382 */ 1383 return apply_filters( 'get_block_file_template', $block_template, $id, $template_type ); 1384 } 1385 1386 /** 1387 * Prints a block template part. 1388 * 1389 * @since 5.9.0 1390 * 1391 * @param string $part The block template part to print, for example 'header' or 'footer'. 1392 */ 1393 function block_template_part( $part ) { 1394 $template_part = get_block_template( get_stylesheet() . '//' . $part, 'wp_template_part' ); 1395 if ( ! $template_part || empty( $template_part->content ) ) { 1396 return; 1397 } 1398 echo do_blocks( $template_part->content ); 1399 } 1400 1401 /** 1402 * Prints the header block template part. 1403 * 1404 * @since 5.9.0 1405 */ 1406 function block_header_area() { 1407 block_template_part( 'header' ); 1408 } 1409 1410 /** 1411 * Prints the footer block template part. 1412 * 1413 * @since 5.9.0 1414 */ 1415 function block_footer_area() { 1416 block_template_part( 'footer' ); 1417 } 1418 1419 /** 1420 * Determines whether a theme directory should be ignored during export. 1421 * 1422 * @since 6.0.0 1423 * 1424 * @param string $path The path of the file in the theme. 1425 * @return bool Whether this file is in an ignored directory. 1426 */ 1427 function wp_is_theme_directory_ignored( $path ) { 1428 $directories_to_ignore = array( '.DS_Store', '.svn', '.git', '.hg', '.bzr', 'node_modules', 'vendor' ); 1429 1430 foreach ( $directories_to_ignore as $directory ) { 1431 if ( str_starts_with( $path, $directory ) ) { 1432 return true; 1433 } 1434 } 1435 1436 return false; 1437 } 1438 1439 /** 1440 * Creates an export of the current templates and 1441 * template parts from the site editor at the 1442 * specified path in a ZIP file. 1443 * 1444 * @since 5.9.0 1445 * @since 6.0.0 Adds the whole theme to the export archive. 1446 * 1447 * @return WP_Error|string Path of the ZIP file or error on failure. 1448 */ 1449 function wp_generate_block_templates_export_file() { 1450 $wp_version = wp_get_wp_version(); 1451 1452 if ( ! class_exists( 'ZipArchive' ) ) { 1453 return new WP_Error( 'missing_zip_package', __( 'Zip Export not supported.' ) ); 1454 } 1455 1456 $obscura = wp_generate_password( 12, false, false ); 1457 $theme_name = basename( get_stylesheet() ); 1458 $filename = get_temp_dir() . $theme_name . $obscura . '.zip'; 1459 1460 $zip = new ZipArchive(); 1461 if ( true !== $zip->open( $filename, ZipArchive::CREATE | ZipArchive::OVERWRITE ) ) { 1462 return new WP_Error( 'unable_to_create_zip', __( 'Unable to open export file (archive) for writing.' ) ); 1463 } 1464 1465 $zip->addEmptyDir( 'templates' ); 1466 $zip->addEmptyDir( 'parts' ); 1467 1468 // Get path of the theme. 1469 $theme_path = wp_normalize_path( get_stylesheet_directory() ); 1470 1471 // Create recursive directory iterator. 1472 $theme_files = new RecursiveIteratorIterator( 1473 new RecursiveDirectoryIterator( $theme_path ), 1474 RecursiveIteratorIterator::LEAVES_ONLY 1475 ); 1476 1477 // Make a copy of the current theme. 1478 foreach ( $theme_files as $file ) { 1479 // Skip directories as they are added automatically. 1480 if ( ! $file->isDir() ) { 1481 // Get real and relative path for current file. 1482 $file_path = wp_normalize_path( $file ); 1483 $relative_path = substr( $file_path, strlen( $theme_path ) + 1 ); 1484 1485 if ( ! wp_is_theme_directory_ignored( $relative_path ) ) { 1486 $zip->addFile( $file_path, $relative_path ); 1487 } 1488 } 1489 } 1490 1491 // Load templates into the zip file. 1492 $templates = get_block_templates(); 1493 foreach ( $templates as $template ) { 1494 $template->content = traverse_and_serialize_blocks( 1495 parse_blocks( $template->content ), 1496 '_remove_theme_attribute_from_template_part_block' 1497 ); 1498 1499 $zip->addFromString( 1500 'templates/' . $template->slug . '.html', 1501 $template->content 1502 ); 1503 } 1504 1505 // Load template parts into the zip file. 1506 $template_parts = get_block_templates( array(), 'wp_template_part' ); 1507 foreach ( $template_parts as $template_part ) { 1508 $zip->addFromString( 1509 'parts/' . $template_part->slug . '.html', 1510 $template_part->content 1511 ); 1512 } 1513 1514 // Load theme.json into the zip file. 1515 $tree = WP_Theme_JSON_Resolver::get_theme_data( array(), array( 'with_supports' => false ) ); 1516 // Merge with user data. 1517 $tree->merge( WP_Theme_JSON_Resolver::get_user_data() ); 1518 1519 $theme_json_raw = $tree->get_data(); 1520 // If a version is defined, add a schema. 1521 if ( $theme_json_raw['version'] ) { 1522 $theme_json_version = 'wp/' . substr( $wp_version, 0, 3 ); 1523 $schema = array( '$schema' => 'https://schemas.wp.org/' . $theme_json_version . '/theme.json' ); 1524 $theme_json_raw = array_merge( $schema, $theme_json_raw ); 1525 } 1526 1527 // Convert to a string. 1528 $theme_json_encoded = wp_json_encode( $theme_json_raw, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE ); 1529 1530 // Replace 4 spaces with a tab. 1531 $theme_json_tabbed = preg_replace( '~(?:^|\G)\h{4}~m', "\t", $theme_json_encoded ); 1532 1533 // Add the theme.json file to the zip. 1534 $zip->addFromString( 1535 'theme.json', 1536 $theme_json_tabbed 1537 ); 1538 1539 // Save changes to the zip file. 1540 $zip->close(); 1541 1542 return $filename; 1543 } 1544 1545 /** 1546 * Gets the template hierarchy for the given template slug to be created. 1547 * 1548 * Note: Always add `index` as the last fallback template. 1549 * 1550 * @since 6.1.0 1551 * 1552 * @param string $slug The template slug to be created. 1553 * @param bool $is_custom Optional. Indicates if a template is custom or 1554 * part of the template hierarchy. Default false. 1555 * @param string $template_prefix Optional. The template prefix for the created template. 1556 * Used to extract the main template type, e.g. 1557 * in `taxonomy-books` the `taxonomy` is extracted. 1558 * Default empty string. 1559 * @return string[] The template hierarchy. 1560 */ 1561 function get_template_hierarchy( $slug, $is_custom = false, $template_prefix = '' ) { 1562 if ( 'index' === $slug ) { 1563 /** This filter is documented in wp-includes/template.php */ 1564 return apply_filters( 'index_template_hierarchy', array( 'index' ) ); 1565 } 1566 if ( $is_custom ) { 1567 /** This filter is documented in wp-includes/template.php */ 1568 return apply_filters( 'page_template_hierarchy', array( 'page', 'singular', 'index' ) ); 1569 } 1570 if ( 'front-page' === $slug ) { 1571 /** This filter is documented in wp-includes/template.php */ 1572 return apply_filters( 'frontpage_template_hierarchy', array( 'front-page', 'home', 'index' ) ); 1573 } 1574 1575 $matches = array(); 1576 1577 $template_hierarchy = array( $slug ); 1578 // Most default templates don't have `$template_prefix` assigned. 1579 if ( ! empty( $template_prefix ) ) { 1580 list( $type ) = explode( '-', $template_prefix ); 1581 // We need these checks because we always add the `$slug` above. 1582 if ( ! in_array( $template_prefix, array( $slug, $type ), true ) ) { 1583 $template_hierarchy[] = $template_prefix; 1584 } 1585 if ( $slug !== $type ) { 1586 $template_hierarchy[] = $type; 1587 } 1588 } elseif ( preg_match( '/^(author|category|archive|tag|page)-.+$/', $slug, $matches ) ) { 1589 $template_hierarchy[] = $matches[1]; 1590 } elseif ( preg_match( '/^(taxonomy|single)-(.+)$/', $slug, $matches ) ) { 1591 $type = $matches[1]; 1592 $slug_remaining = $matches[2]; 1593 1594 $items = 'single' === $type ? get_post_types() : get_taxonomies(); 1595 foreach ( $items as $item ) { 1596 if ( ! str_starts_with( $slug_remaining, $item ) ) { 1597 continue; 1598 } 1599 1600 // If $slug_remaining is equal to $post_type or $taxonomy we have 1601 // the single-$post_type template or the taxonomy-$taxonomy template. 1602 if ( $slug_remaining === $item ) { 1603 $template_hierarchy[] = $type; 1604 break; 1605 } 1606 1607 // If $slug_remaining is single-$post_type-$slug template. 1608 if ( strlen( $slug_remaining ) > strlen( $item ) + 1 ) { 1609 $template_hierarchy[] = "$type-$item"; 1610 $template_hierarchy[] = $type; 1611 break; 1612 } 1613 } 1614 } 1615 // Handle `archive` template. 1616 if ( 1617 str_starts_with( $slug, 'author' ) || 1618 str_starts_with( $slug, 'taxonomy' ) || 1619 str_starts_with( $slug, 'category' ) || 1620 str_starts_with( $slug, 'tag' ) || 1621 'date' === $slug 1622 ) { 1623 $template_hierarchy[] = 'archive'; 1624 } 1625 // Handle `single` template. 1626 if ( 'attachment' === $slug ) { 1627 $template_hierarchy[] = 'single'; 1628 } 1629 // Handle `singular` template. 1630 if ( 1631 str_starts_with( $slug, 'single' ) || 1632 str_starts_with( $slug, 'page' ) || 1633 'attachment' === $slug 1634 ) { 1635 $template_hierarchy[] = 'singular'; 1636 } 1637 $template_hierarchy[] = 'index'; 1638 1639 $template_type = ''; 1640 if ( ! empty( $template_prefix ) ) { 1641 list( $template_type ) = explode( '-', $template_prefix ); 1642 } else { 1643 list( $template_type ) = explode( '-', $slug ); 1644 } 1645 $valid_template_types = array( '404', 'archive', 'attachment', 'author', 'category', 'date', 'embed', 'frontpage', 'home', 'index', 'page', 'paged', 'privacypolicy', 'search', 'single', 'singular', 'tag', 'taxonomy' ); 1646 if ( in_array( $template_type, $valid_template_types, true ) ) { 1647 /** This filter is documented in wp-includes/template.php */ 1648 return apply_filters( "{$template_type}_template_hierarchy", $template_hierarchy ); 1649 } 1650 return $template_hierarchy; 1651 } 1652 1653 /** 1654 * Inject ignoredHookedBlocks metadata attributes into a template or template part. 1655 * 1656 * Given an object that represents a `wp_template` or `wp_template_part` post object 1657 * prepared for inserting or updating the database, locate all blocks that have 1658 * hooked blocks, and inject a `metadata.ignoredHookedBlocks` attribute into the anchor 1659 * blocks to reflect the latter. 1660 * 1661 * @since 6.5.0 1662 * @access private 1663 * 1664 * @param stdClass $changes An object representing a template or template part 1665 * prepared for inserting or updating the database. 1666 * @param WP_REST_Request $deprecated Deprecated. Not used. 1667 * @return stdClass|WP_Error The updated object representing a template or template part. 1668 */ 1669 function inject_ignored_hooked_blocks_metadata_attributes( $changes, $deprecated = null ) { 1670 if ( null !== $deprecated ) { 1671 _deprecated_argument( __FUNCTION__, '6.5.3' ); 1672 } 1673 1674 if ( ! isset( $changes->post_content ) ) { 1675 return $changes; 1676 } 1677 1678 $hooked_blocks = get_hooked_blocks(); 1679 if ( empty( $hooked_blocks ) && ! has_filter( 'hooked_block_types' ) ) { 1680 return $changes; 1681 } 1682 1683 $meta = isset( $changes->meta_input ) ? $changes->meta_input : array(); 1684 $terms = isset( $changes->tax_input ) ? $changes->tax_input : array(); 1685 1686 if ( empty( $changes->ID ) ) { 1687 // There's no post object for this template in the database for this template yet. 1688 $post = $changes; 1689 } else { 1690 // Find the existing post object. 1691 $post = get_post( $changes->ID ); 1692 1693 // If the post is a revision, use the parent post's post_name and post_type. 1694 $post_id = wp_is_post_revision( $post ); 1695 if ( $post_id ) { 1696 $parent_post = get_post( $post_id ); 1697 $post->post_name = $parent_post->post_name; 1698 $post->post_type = $parent_post->post_type; 1699 } 1700 1701 // Apply the changes to the existing post object. 1702 $post = (object) array_merge( (array) $post, (array) $changes ); 1703 1704 $type_terms = get_the_terms( $changes->ID, 'wp_theme' ); 1705 $terms['wp_theme'] = ! is_wp_error( $type_terms ) && ! empty( $type_terms ) ? $type_terms[0]->name : null; 1706 } 1707 1708 // Required for the WP_Block_Template. Update the post object with the current time. 1709 $post->post_modified = current_time( 'mysql' ); 1710 1711 // If the post_author is empty, set it to the current user. 1712 if ( empty( $post->post_author ) ) { 1713 $post->post_author = get_current_user_id(); 1714 } 1715 1716 if ( 'wp_template_part' === $post->post_type && ! isset( $terms['wp_template_part_area'] ) ) { 1717 $area_terms = get_the_terms( $changes->ID, 'wp_template_part_area' ); 1718 $terms['wp_template_part_area'] = ! is_wp_error( $area_terms ) && ! empty( $area_terms ) ? $area_terms[0]->name : null; 1719 } 1720 1721 $template = _build_block_template_object_from_post_object( new WP_Post( $post ), $terms, $meta ); 1722 1723 if ( is_wp_error( $template ) ) { 1724 return $template; 1725 } 1726 1727 if ( 'wp_template_part' === $post->post_type ) { 1728 $attributes = array(); 1729 $existing_ignored_hooked_blocks = isset( $post->ID ) ? get_post_meta( $post->ID, '_wp_ignored_hooked_blocks', true ) : ''; 1730 1731 if ( ! empty( $existing_ignored_hooked_blocks ) ) { 1732 $attributes['metadata'] = array( 1733 'ignoredHookedBlocks' => json_decode( $existing_ignored_hooked_blocks, true ), 1734 ); 1735 } 1736 1737 $content = get_comment_delimited_block_content( 1738 'core/template-part', 1739 $attributes, 1740 $changes->post_content 1741 ); 1742 $content = apply_block_hooks_to_content( $content, $template, 'set_ignored_hooked_blocks_metadata' ); 1743 $changes->post_content = remove_serialized_parent_block( $content ); 1744 1745 $wrapper_block_markup = extract_serialized_parent_block( $content ); 1746 $wrapper_block = parse_blocks( $wrapper_block_markup )[0]; 1747 $ignored_hooked_blocks = $wrapper_block['attrs']['metadata']['ignoredHookedBlocks'] ?? array(); 1748 if ( ! empty( $ignored_hooked_blocks ) ) { 1749 if ( ! isset( $changes->meta_input ) ) { 1750 $changes->meta_input = array(); 1751 } 1752 $changes->meta_input['_wp_ignored_hooked_blocks'] = wp_json_encode( $ignored_hooked_blocks ); 1753 } 1754 } else { 1755 $changes->post_content = apply_block_hooks_to_content( $changes->post_content, $template, 'set_ignored_hooked_blocks_metadata' ); 1756 } 1757 1758 return $changes; 1759 }
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| Generated : Sat Jul 12 08:20:01 2025 | Cross-referenced by PHPXref |