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