) ); } $theme_path_norm = wp_normalize_path( get_theme_file_path() ); $script_path_norm = wp_normalize_path( realpath( dirname( $metadata['file'] ) . '/' . $script_path ) ); $is_core_block = isset( $metadata['file'] ) && 0 === strpos( $metadata['file'], $wpinc_path_norm ); $is_theme_block = 0 === strpos( $script_path_norm, $theme_path_norm ); $script_uri = plugins_url( $script_path, $metadata['file'] ); if ( $is_core_block ) { $script_uri = includes_url( str_replace( $wpinc_path_norm, '', $script_path_norm ) ); } elseif ( $is_theme_block ) { $script_uri = get_theme_file_uri( str_replace( $theme_path_norm, '', $script_path_norm ) ); } $script_asset = require $script_asset_path; $script_dependencies = isset( $script_asset['dependencies'] ) ? $script_asset['dependencies'] : array(); $result = wp_register_script( $script_handle, $script_uri, $script_dependencies, isset( $script_asset['version'] ) ? $script_asset['version'] : false ); if ( ! $result ) { return false; } if ( ! empty( $metadata['textdomain'] ) && in_array( 'wp-i18n', $script_dependencies, true ) ) { wp_set_script_translations( $script_handle, $metadata['textdomain'] ); } return $script_handle; } /** * Finds a style handle for the block metadata field. It detects when a path * to file was provided and registers the style under automatically * generated handle name. It returns unprocessed style handle otherwise. * * @since 5.5.0 * @since 6.1.0 Added `$index` parameter. * * @param array $metadata Block metadata. * @param string $field_name Field name to pick from metadata. * @param int $index Optional. Index of the style to register when multiple items passed. * Default 0. * @return string|false Style handle provided directly or created through * style's registration, or false on failure. */ function register_block_style_handle( $metadata, $field_name, $index = 0 ) { if ( empty( $metadata[ $field_name ] ) ) { return false; } static $wpinc_path_norm = ''; if ( ! $wpinc_path_norm ) { $wpinc_path_norm = wp_normalize_path( realpath( ABSPATH . WPINC ) ); } $is_core_block = isset( $metadata['file'] ) && 0 === strpos( $metadata['file'], $wpinc_path_norm ); // Skip registering individual styles for each core block when a bundled version provided. if ( $is_core_block && ! wp_should_load_separate_core_block_assets() ) { return false; } $style_handle = $metadata[ $field_name ]; if ( is_array( $style_handle ) ) { if ( empty( $style_handle[ $index ] ) ) { return false; } $style_handle = $style_handle[ $index ]; } $style_path = remove_block_asset_path_prefix( $style_handle ); $is_style_handle = $style_handle === $style_path; // Allow only passing style handles for core blocks. if ( $is_core_block && ! $is_style_handle ) { return false; } // Return the style handle unless it's the first item for every core block that requires special treatment. if ( $is_style_handle && ! ( $is_core_block && 0 === $index ) ) { return $style_handle; } // Check whether styles should have a ".min" suffix or not. $suffix = SCRIPT_DEBUG ? '' : '.min'; if ( $is_core_block ) { $style_path = "style$suffix.css"; } $style_path_norm = wp_normalize_path( realpath( dirname( $metadata['file'] ) . '/' . $style_path ) ); $has_style_file = '' !== $style_path_norm; if ( $has_style_file ) { $style_uri = plugins_url( $style_path, $metadata['file'] ); // Cache $theme_path_norm to avoid calling get_theme_file_path() multiple times. static $theme_path_norm = ''; if ( ! $theme_path_norm ) { $theme_path_norm = wp_normalize_path( get_theme_file_path() ); } $is_theme_block = str_starts_with( $style_path_norm, $theme_path_norm ); if ( $is_theme_block ) { $style_uri = get_theme_file_uri( str_replace( $theme_path_norm, '', $style_path_norm ) ); } elseif ( $is_core_block ) { $style_uri = includes_url( 'blocks/' . str_replace( 'core/', '', $metadata['name'] ) . "/style$suffix.css" ); } } else { $style_uri = false; } $style_handle = generate_block_asset_handle( $metadata['name'], $field_name, $index ); $version = ! $is_core_block && isset( $metadata['version'] ) ? $metadata['version'] : false; $result = wp_register_style( $style_handle, $style_uri, array(), $version ); if ( ! $result ) { return false; } if ( $has_style_file ) { wp_style_add_data( $style_handle, 'path', $style_path_norm ); if ( $is_core_block ) { $rtl_file = str_replace( "{$suffix}.css", "-rtl{$suffix}.css", $style_path_norm ); } else { $rtl_file = str_replace( '.css', '-rtl.css', $style_path_norm ); } if ( is_rtl() && file_exists( $rtl_file ) ) { wp_style_add_data( $style_handle, 'rtl', 'replace' ); wp_style_add_data( $style_handle, 'suffix', $suffix ); wp_style_add_data( $style_handle, 'path', $rtl_file ); } } return $style_handle; } /** * Gets i18n schema for block's metadata read from `block.json` file. * * @since 5.9.0 * * @return object The schema for block's metadata. */ function get_block_metadata_i18n_schema() { static $i18n_block_schema; if ( ! isset( $i18n_block_schema ) ) { $i18n_block_schema = wp_json_file_decode( __DIR__ . '/block-i18n.json' ); } return $i18n_block_schema; } /** * Registers a block type from the metadata stored in the `block.json` file. * * @since 5.5.0 * @since 5.7.0 Added support for `textdomain` field and i18n handling for all translatable fields. * @since 5.9.0 Added support for `variations` and `viewScript` fields. * @since 6.1.0 Added support for `render` field. * * @param string $file_or_folder Path to the JSON file with metadata definition for * the block or path to the folder where the `block.json` file is located. * If providing the path to a JSON file, the filename must end with `block.json`. * @param array $args Optional. Array of block type arguments. Accepts any public property * of `WP_Block_Type`. See WP_Block_Type::__construct() for information * on accepted arguments. Default empty array. * @return WP_Block_Type|false The registered block type on success, or false on failure. */ function register_block_type_from_metadata( $file_or_folder, $args = array() ) { /* * Get an array of metadata from a PHP file. * This improves performance for core blocks as it's only necessary to read a single PHP file * instead of reading a JSON file per-block, and then decoding from JSON to PHP. * Using a static variable ensures that the metadata is only read once per request. */ static $core_blocks_meta; if ( ! $core_blocks_meta ) { $core_blocks_meta = include_once ABSPATH . WPINC . '/blocks/blocks-json.php'; } $metadata_file = ( ! str_ends_with( $file_or_folder, 'block.json' ) ) ? trailingslashit( $file_or_folder ) . 'block.json' : $file_or_folder; if ( ! file_exists( $metadata_file ) ) { return false; } // Try to get metadata from the static cache for core blocks. $metadata = false; if ( str_starts_with( $file_or_folder, ABSPATH . WPINC ) ) { $core_block_name = str_replace( ABSPATH . WPINC . '/blocks/', '', $file_or_folder ); if ( ! empty( $core_blocks_meta[ $core_block_name ] ) ) { $metadata = $core_blocks_meta[ $core_block_name ]; } } // If metadata is not found in the static cache, read it from the file. if ( ! $metadata ) { $metadata = wp_json_file_decode( $metadata_file, array( 'associative' => true ) ); } if ( ! is_array( $metadata ) || empty( $metadata['name'] ) ) { return false; } $metadata['file'] = wp_normalize_path( realpath( $metadata_file ) ); /** * Filters the metadata provided for registering a block type. * * @since 5.7.0 * * @param array $metadata Metadata for registering a block type. */ $metadata = apply_filters( 'block_type_metadata', $metadata ); // Add `style` and `editor_style` for core blocks if missing. if ( ! empty( $metadata['name'] ) && 0 === strpos( $metadata['name'], 'core/' ) ) { $block_name = str_replace( 'core/', '', $metadata['name'] ); if ( ! isset( $metadata['style'] ) ) { $metadata['style'] = "wp-block-$block_name"; } if ( ! isset( $metadata['editorStyle'] ) ) { $metadata['editorStyle'] = "wp-block-{$block_name}-editor"; } } $settings = array(); $property_mappings = array( 'apiVersion' => 'api_version', 'title' => 'title', 'category' => 'category', 'parent' => 'parent', 'ancestor' => 'ancestor', 'icon' => 'icon', 'description' => 'description', 'keywords' => 'keywords', 'attributes' => 'attributes', 'providesContext' => 'provides_context', 'usesContext' => 'uses_context', 'supports' => 'supports', 'styles' => 'styles', 'variations' => 'variations', 'example' => 'example', ); $textdomain = ! empty( $metadata['textdomain'] ) ? $metadata['textdomain'] : null; $i18n_schema = get_block_metadata_i18n_schema(); foreach ( $property_mappings as $key => $mapped_key ) { if ( isset( $metadata[ $key ] ) ) { $settings[ $mapped_key ] = $metadata[ $key ]; if ( $textdomain && isset( $i18n_schema->$key ) ) { $settings[ $mapped_key ] = translate_settings_using_i18n_schema( $i18n_schema->$key, $settings[ $key ], $textdomain ); } } } $script_fields = array( 'editorScript' => 'editor_script_handles', 'script' => 'script_handles', 'viewScript' => 'view_script_handles', ); foreach ( $script_fields as $metadata_field_name => $settings_field_name ) { if ( ! empty( $metadata[ $metadata_field_name ] ) ) { $scripts = $metadata[ $metadata_field_name ]; $processed_scripts = array(); if ( is_array( $scripts ) ) { for ( $index = 0; $index < count( $scripts ); $index++ ) { $result = register_block_script_handle( $metadata, $metadata_field_name, $index ); if ( $result ) { $processed_scripts[] = $result; } } } else { $result = register_block_script_handle( $metadata, $metadata_field_name ); if ( $result ) { $processed_scripts[] = $result; } } $settings[ $settings_field_name ] = $processed_scripts; } } $style_fields = array( 'editorStyle' => 'editor_style_handles', 'style' => 'style_handles', ); foreach ( $style_fields as $metadata_field_name => $settings_field_name ) { if ( ! empty( $metadata[ $metadata_field_name ] ) ) { $styles = $metadata[ $metadata_field_name ]; $processed_styles = array(); if ( is_array( $styles ) ) { for ( $index = 0; $index < count( $styles ); $index++ ) { $result = register_block_style_handle( $metadata, $metadata_field_name, $index ); if ( $result ) { $processed_styles[] = $result; } } } else { $result = register_block_style_handle( $metadata, $metadata_field_name ); if ( $result ) { $processed_styles[] = $result; } } $settings[ $settings_field_name ] = $processed_styles; } } if ( ! empty( $metadata['render'] ) ) { $template_path = wp_normalize_path( realpath( dirname( $metadata['file'] ) . '/' . remove_block_asset_path_prefix( $metadata['render'] ) ) ); if ( $template_path ) { /** * Renders the block on the server. * * @since 6.1.0 * * @param array $attributes Block attributes. * @param string $content Block default content. * @param WP_Block $block Block instance. * * @return string Returns the block content. */ $settings['render_callback'] = function( $attributes, $content, $block ) use ( $template_path ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable ob_start(); require $template_path; return ob_get_clean(); }; } } /** * Filters the settings determined from the block type metadata. * * @since 5.7.0 * * @param array $settings Array of determined settings for registering a block type. * @param array $metadata Metadata provided for registering a block type. */ $settings = apply_filters( 'block_type_metadata_settings', array_merge( $settings, $args ), $metadata ); return WP_Block_Type_Registry::get_instance()->register( $metadata['name'], $settings ); } /** * Registers a block type. The recommended way is to register a block type using * the metadata stored in the `block.json` file. * * @since 5.0.0 * @since 5.8.0 First parameter now accepts a path to the `block.json` file. * * @param string|WP_Block_Type $block_type Block type name including namespace, or alternatively * a path to the JSON file with metadata definition for the block, * or a path to the folder where the `block.json` file is located, * or a complete WP_Block_Type instance. * In case a WP_Block_Type is provided, the $args parameter will be ignored. * @param array $args Optional. Array of block type arguments. Accepts any public property * of `WP_Block_Type`. See WP_Block_Type::__construct() for information * on accepted arguments. Default empty array. * * @return WP_Block_Type|false The registered block type on success, or false on failure. */ function register_block_type( $block_type, $args = array() ) { if ( is_string( $block_type ) && file_exists( $block_type ) ) { return register_block_type_from_metadata( $block_type, $args ); } return WP_Block_Type_Registry::get_instance()->register( $block_type, $args ); } /** * Unregisters a block type. * * @since 5.0.0 * * @param string|WP_Block_Type $name Block type name including namespace, or alternatively * a complete WP_Block_Type instance. * @return WP_Block_Type|false The unregistered block type on success, or false on failure. */ function unregister_block_type( $name ) { return WP_Block_Type_Registry::get_instance()->unregister( $name ); } /** * Determines whether a post or content string has blocks. * * This test optimizes for performance rather than strict accuracy, detecting * the pattern of a block but not validating its structure. For strict accuracy, * you should use the block parser on post content. * * @since 5.0.0 * * @see parse_blocks() * * @param int|string|WP_Post|null $post Optional. Post content, post ID, or post object. * Defaults to global $post. * @return bool Whether the post has blocks. */ function has_blocks( $post = null ) { if ( ! is_string( $post ) ) { $wp_post = get_post( $post ); if ( ! $wp_post instanceof WP_Post ) { return false; } $post = $wp_post->post_content; } return false !== strpos( (string) $post, '', $serialized_block_name, $serialized_attributes ); } return sprintf( '%s', $serialized_block_name, $serialized_attributes, $block_content, $serialized_block_name ); } /** * Returns the content of a block, including comment delimiters, serializing all * attributes from the given parsed block. * * This should be used when preparing a block to be saved to post content. * Prefer `render_block` when preparing a block for display. Unlike * `render_block`, this does not evaluate a block's `render_callback`, and will * instead preserve the markup as parsed. * * @since 5.3.1 * * @param array $block A representative array of a single parsed block object. See WP_Block_Parser_Block. * @return string String of rendered HTML. */ function serialize_block( $block ) { $block_content = ''; $index = 0; foreach ( $block['innerContent'] as $chunk ) { $block_content .= is_string( $chunk ) ? $chunk : serialize_block( $block['innerBlocks'][ $index++ ] ); } if ( ! is_array( $block['attrs'] ) ) { $block['attrs'] = array(); } return get_comment_delimited_block_content( $block['blockName'], $block['attrs'], $block_content ); } /** * Returns a joined string of the aggregate serialization of the given * parsed blocks. * * @since 5.3.1 * * @param array[] $blocks An array of representative arrays of parsed block objects. See serialize_block(). * @return string String of rendered HTML. */ function serialize_blocks( $blocks ) { return implode( '', array_map( 'serialize_block', $blocks ) ); } /** * Filters and sanitizes block content to remove non-allowable HTML * from parsed block attribute values. * * @since 5.3.1 * * @param string $text Text that may contain block content. * @param array[]|string $allowed_html Optional. An array of allowed HTML elements and attributes, * or a context name such as 'post'. See wp_kses_allowed_html() * for the list of accepted context names. Default 'post'. * @param string[] $allowed_protocols Optional. Array of allowed URL protocols. * Defaults to the result of wp_allowed_protocols(). * @return string The filtered and sanitized content result. */ function filter_block_content( $text, $allowed_html = 'post', $allowed_protocols = array() ) { $result = ''; if ( false !== strpos( $text, '' ) ) { $text = preg_replace_callback( '%%', '_filter_block_content_callback', $text ); } $blocks = parse_blocks( $text ); foreach ( $blocks as $block ) { $block = filter_block_kses( $block, $allowed_html, $allowed_protocols ); $result .= serialize_block( $block ); } return $result; } /** * Callback used for regular expression replacement in filter_block_content(). * * @private * @since 6.2.1 * * @param array $matches Array of preg_replace_callback matches. * @return string Replacement string. */ function _filter_block_content_callback( $matches ) { return ''; } /** * Filters and sanitizes a parsed block to remove non-allowable HTML * from block attribute values. * * @since 5.3.1 * * @param WP_Block_Parser_Block $block The parsed block object. * @param array[]|string $allowed_html An array of allowed HTML elements and attributes, * or a context name such as 'post'. See wp_kses_allowed_html() * for the list of accepted context names. * @param string[] $allowed_protocols Optional. Array of allowed URL protocols. * Defaults to the result of wp_allowed_protocols(). * @return array The filtered and sanitized block object result. */ function filter_block_kses( $block, $allowed_html, $allowed_protocols = array() ) { $block['attrs'] = filter_block_kses_value( $block['attrs'], $allowed_html, $allowed_protocols, $block ); if ( is_array( $block['innerBlocks'] ) ) { foreach ( $block['innerBlocks'] as $i => $inner_block ) { $block['innerBlocks'][ $i ] = filter_block_kses( $inner_block, $allowed_html, $allowed_protocols ); } } return $block; } /** * Filters and sanitizes a parsed block attribute value to remove * non-allowable HTML. * * @since 5.3.1 * @since 6.5.5 Added the `$block_context` parameter. * * @param string[]|string $value The attribute value to filter. * @param array[]|string $allowed_html An array of allowed HTML elements and attributes, * or a context name such as 'post'. See wp_kses_allowed_html() * for the list of accepted context names. * @param string[] $allowed_protocols Optional. Array of allowed URL protocols. * Defaults to the result of wp_allowed_protocols(). * @param array $block_context Optional. The block the attribute belongs to, in parsed block array format. * @return string[]|string The filtered and sanitized result. */ function filter_block_kses_value( $value, $allowed_html, $allowed_protocols = array(), $block_context = null ) { if ( is_array( $value ) ) { foreach ( $value as $key => $inner_value ) { $filtered_key = filter_block_kses_value( $key, $allowed_html, $allowed_protocols, $block_context ); $filtered_value = filter_block_kses_value( $inner_value, $allowed_html, $allowed_protocols, $block_context ); if ( isset( $block_context['blockName'] ) && 'core/template-part' === $block_context['blockName'] ) { $filtered_value = filter_block_core_template_part_attributes( $filtered_value, $filtered_key, $allowed_html ); } if ( $filtered_key !== $key ) { unset( $value[ $key ] ); } $value[ $filtered_key ] = $filtered_value; } } elseif ( is_string( $value ) ) { return wp_kses( $value, $allowed_html, $allowed_protocols ); } return $value; } /** * Sanitizes the value of the Template Part block's `tagName` attribute. * * @since 6.5.5 * * @param string $attribute_value The attribute value to filter. * @param string $attribute_name The attribute name. * @param array[]|string $allowed_html An array of allowed HTML elements and attributes, * or a context name such as 'post'. See wp_kses_allowed_html() * for the list of accepted context names. * @return string The sanitized attribute value. */ function filter_block_core_template_part_attributes( $attribute_value, $attribute_name, $allowed_html ) { if ( empty( $attribute_value ) || 'tagName' !== $attribute_name ) { return $attribute_value; } if ( ! is_array( $allowed_html ) ) { $allowed_html = wp_kses_allowed_html( $allowed_html ); } return isset( $allowed_html[ $attribute_value ] ) ? $attribute_value : ''; } /** * Parses blocks out of a content string, and renders those appropriate for the excerpt. * * As the excerpt should be a small string of text relevant to the full post content, * this function renders the blocks that are most likely to contain such text. * * @since 5.0.0 * * @param string $content The content to parse. * @return string The parsed and filtered content. */ function excerpt_remove_blocks( $content ) { $allowed_inner_blocks = array( // Classic blocks have their blockName set to null. null, 'core/freeform', 'core/heading', 'core/html', 'core/list', 'core/media-text', 'core/paragraph', 'core/preformatted', 'core/pullquote', 'core/quote', 'core/table', 'core/verse', ); $allowed_wrapper_blocks = array( 'core/columns', 'core/column', 'core/group', ); /** * Filters the list of blocks that can be used as wrapper blocks, allowing * excerpts to be generated from the `innerBlocks` of these wrappers. * * @since 5.8.0 * * @param string[] $allowed_wrapper_blocks The list of names of allowed wrapper blocks. */ $allowed_wrapper_blocks = apply_filters( 'excerpt_allowed_wrapper_blocks', $allowed_wrapper_blocks ); $allowed_blocks = array_merge( $allowed_inner_blocks, $allowed_wrapper_blocks ); /** * Filters the list of blocks that can contribute to the excerpt. * * If a dynamic block is added to this list, it must not generate another * excerpt, as this will cause an infinite loop to occur. * * @since 5.0.0 * * @param string[] $allowed_blocks The list of names of allowed blocks. */ $allowed_blocks = apply_filters( 'excerpt_allowed_blocks', $allowed_blocks ); $blocks = parse_blocks( $content ); $output = ''; foreach ( $blocks as $block ) { if ( in_array( $block['blockName'], $allowed_blocks, true ) ) { if ( ! empty( $block['innerBlocks'] ) ) { if ( in_array( $block['blockName'], $allowed_wrapper_blocks, true ) ) { $output .= _excerpt_render_inner_blocks( $block, $allowed_blocks ); continue; } // Skip the block if it has disallowed or nested inner blocks. foreach ( $block['innerBlocks'] as $inner_block ) { if ( ! in_array( $inner_block['blockName'], $allowed_inner_blocks, true ) || ! empty( $inner_block['innerBlocks'] ) ) { continue 2; } } } $output .= render_block( $block ); } } return $output; } /** * Renders inner blocks from the allowed wrapper blocks * for generating an excerpt. * * @since 5.8.0 * @access private * * @param array $parsed_block The parsed block. * @param array $allowed_blocks The list of allowed inner blocks. * @return string The rendered inner blocks. */ function _excerpt_render_inner_blocks( $parsed_block, $allowed_blocks ) { $output = ''; foreach ( $parsed_block['innerBlocks'] as $inner_block ) { if ( ! in_array( $inner_block['blockName'], $allowed_blocks, true ) ) { continue; } if ( empty( $inner_block['innerBlocks'] ) ) { $output .= render_block( $inner_block ); } else { $output .= _excerpt_render_inner_blocks( $inner_block, $allowed_blocks ); } } return $output; } /** * Renders a single block into a HTML string. * * @since 5.0.0 * * @global WP_Post $post The post to edit. * * @param array $parsed_block A single parsed block object. * @return string String of rendered HTML. */ function render_block( $parsed_block ) { global $post; $parent_block = null; /** * Allows render_block() to be short-circuited, by returning a non-null value. * * @since 5.1.0 * @since 5.9.0 The `$parent_block` parameter was added. * * @param string|null $pre_render The pre-rendered content. Default null. * @param array $parsed_block The block being rendered. * @param WP_Block|null $parent_block If this is a nested block, a reference to the parent block. */ $pre_render = apply_filters( 'pre_render_block', null, $parsed_block, $parent_block ); if ( ! is_null( $pre_render ) ) { return $pre_render; } $source_block = $parsed_block; /** * Filters the block being rendered in render_block(), before it's processed. * * @since 5.1.0 * @since 5.9.0 The `$parent_block` parameter was added. * * @param array $parsed_block The block being rendered. * @param array $source_block An un-modified copy of $parsed_block, as it appeared in the source content. * @param WP_Block|null $parent_block If this is a nested block, a reference to the parent block. */ $parsed_block = apply_filters( 'render_block_data', $parsed_block, $source_block, $parent_block ); $context = array(); if ( $post instanceof WP_Post ) { $context['postId'] = $post->ID; /* * The `postType` context is largely unnecessary server-side, since the ID * is usually sufficient on its own. That being said, since a block's * manifest is expected to be shared between the server and the client, * it should be included to consistently fulfill the expectation. */ $context['postType'] = $post->post_type; } /** * Filters the default context provided to a rendered block. * * @since 5.5.0 * @since 5.9.0 The `$parent_block` parameter was added. * * @param array $context Default context. * @param array $parsed_block Block being rendered, filtered by `render_block_data`. * @param WP_Block|null $parent_block If this is a nested block, a reference to the parent block. */ $context = apply_filters( 'render_block_context', $context, $parsed_block, $parent_block ); $block = new WP_Block( $parsed_block, $context ); return $block->render(); } /** * Parses blocks out of a content string. * * @since 5.0.0 * * @param string $content Post content. * @return array[] Array of parsed block objects. */ function parse_blocks( $content ) { /** * Filter to allow plugins to replace the server-side block parser. * * @since 5.0.0 * * @param string $parser_class Name of block parser class. */ $parser_class = apply_filters( 'block_parser_class', 'WP_Block_Parser' ); $parser = new $parser_class(); return $parser->parse( $content ); } /** * Parses dynamic blocks out of `post_content` and re-renders them. * * @since 5.0.0 * * @param string $content Post content. * @return string Updated post content. */ function do_blocks( $content ) { $blocks = parse_blocks( $content ); $output = ''; foreach ( $blocks as $block ) { $output .= render_block( $block ); } // If there are blocks in this content, we shouldn't run wpautop() on it later. $priority = has_filter( 'the_content', 'wpautop' ); if ( false !== $priority && doing_filter( 'the_content' ) && has_blocks( $content ) ) { remove_filter( 'the_content', 'wpautop', $priority ); add_filter( 'the_content', '_restore_wpautop_hook', $priority + 1 ); } return $output; } /** * If do_blocks() needs to remove wpautop() from the `the_content` filter, this re-adds it afterwards, * for subsequent `the_content` usage. * * @since 5.0.0 * @access private * * @param string $content The post content running through this filter. * @return string The unmodified content. */ function _restore_wpautop_hook( $content ) { $current_priority = has_filter( 'the_content', '_restore_wpautop_hook' ); add_filter( 'the_content', 'wpautop', $current_priority - 1 ); remove_filter( 'the_content', '_restore_wpautop_hook', $current_priority ); return $content; } /** * Returns the current version of the block format that the content string is using. * * If the string doesn't contain blocks, it returns 0. * * @since 5.0.0 * * @param string $content Content to test. * @return int The block format version is 1 if the content contains one or more blocks, 0 otherwise. */ function block_version( $content ) { return has_blocks( $content ) ? 1 : 0; } /** * Registers a new block style. * * @since 5.3.0 * * @link https://developer.wordpress.org/block-editor/reference-guides/block-api/block-styles/ * * @param string $block_name Block type name including namespace. * @param array $style_properties Array containing the properties of the style name, * label, style (name of the stylesheet to be enqueued), * inline_style (string containing the CSS to be added). * @return bool True if the block style was registered with success and false otherwise. */ function register_block_style( $block_name, $style_properties ) { return WP_Block_Styles_Registry::get_instance()->register( $block_name, $style_properties ); } /** * Unregisters a block style. * * @since 5.3.0 * * @param string $block_name Block type name including namespace. * @param string $block_style_name Block style name. * @return bool True if the block style was unregistered with success and false otherwise. */ function unregister_block_style( $block_name, $block_style_name ) { return WP_Block_Styles_Registry::get_instance()->unregister( $block_name, $block_style_name ); } /** * Checks whether the current block type supports the feature requested. * * @since 5.8.0 * * @param WP_Block_Type $block_type Block type to check for support. * @param array $feature Path to a specific feature to check support for. * @param mixed $default_value Optional. Fallback value for feature support. Default false. * @return bool Whether the feature is supported. */ function block_has_support( $block_type, $feature, $default_value = false ) { $block_support = $default_value; if ( $block_type && property_exists( $block_type, 'supports' ) ) { $block_support = _wp_array_get( $block_type->supports, $feature, $default_value ); } return true === $block_support || is_array( $block_support ); } /** * Converts typography keys declared under `supports.*` to `supports.typography.*`. * * Displays a `_doing_it_wrong()` notice when a block using the older format is detected. * * @since 5.8.0 * * @param array $metadata Metadata for registering a block type. * @return array Filtered metadata for registering a block type. */ function wp_migrate_old_typography_shape( $metadata ) { if ( ! isset( $metadata['supports'] ) ) { return $metadata; } $typography_keys = array( '__experimentalFontFamily', '__experimentalFontStyle', '__experimentalFontWeight', '__experimentalLetterSpacing', '__experimentalTextDecoration', '__experimentalTextTransform', 'fontSize', 'lineHeight', ); foreach ( $typography_keys as $typography_key ) { $support_for_key = _wp_array_get( $metadata['supports'], array( $typography_key ), null ); if ( null !== $support_for_key ) { _doing_it_wrong( 'register_block_type_from_metadata()', sprintf( /* translators: 1: Block type, 2: Typography supports key, e.g: fontSize, lineHeight, etc. 3: block.json, 4: Old metadata key, 5: New metadata key. */ __( 'Block "%1$s" is declaring %2$s support in %3$s file under %4$s. %2$s support is now declared under %5$s.' ), $metadata['name'], "$typography_key", 'block.json', "supports.$typography_key", "supports.typography.$typography_key" ), '5.8.0' ); _wp_array_set( $metadata['supports'], array( 'typography', $typography_key ), $support_for_key ); unset( $metadata['supports'][ $typography_key ] ); } } return $metadata; } /** * Helper function that constructs a WP_Query args array from * a `Query` block properties. * * It's used in Query Loop, Query Pagination Numbers and Query Pagination Next blocks. * * @since 5.8.0 * @since 6.1.0 Added `query_loop_block_query_vars` filter and `parents` support in query. * * @param WP_Block $block Block instance. * @param int $page Current query's page. * * @return array Returns the constructed WP_Query arguments. */ function build_query_vars_from_query_block( $block, $page ) { $query = array( 'post_type' => 'post', 'order' => 'DESC', 'orderby' => 'date', 'post__not_in' => array(), ); if ( isset( $block->context['query'] ) ) { if ( ! empty( $block->context['query']['postType'] ) ) { $post_type_param = $block->context['query']['postType']; if ( is_post_type_viewable( $post_type_param ) ) { $query['post_type'] = $post_type_param; } } if ( isset( $block->context['query']['sticky'] ) && ! empty( $block->context['query']['sticky'] ) ) { $sticky = get_option( 'sticky_posts' ); if ( 'only' === $block->context['query']['sticky'] ) { /* * Passing an empty array to post__in will return have_posts() as true (and all posts will be returned). * Logic should be used before hand to determine if WP_Query should be used in the event that the array * being passed to post__in is empty. * * @see https://core.trac.wordpress.org/ticket/28099 */ $query['post__in'] = ! empty( $sticky ) ? $sticky : array( 0 ); $query['ignore_sticky_posts'] = 1; } else { $query['post__not_in'] = array_merge( $query['post__not_in'], $sticky ); } } if ( ! empty( $block->context['query']['exclude'] ) ) { $excluded_post_ids = array_map( 'intval', $block->context['query']['exclude'] ); $excluded_post_ids = array_filter( $excluded_post_ids ); $query['post__not_in'] = array_merge( $query['post__not_in'], $excluded_post_ids ); } if ( isset( $block->context['query']['perPage'] ) && is_numeric( $block->context['query']['perPage'] ) ) { $per_page = absint( $block->context['query']['perPage'] ); $offset = 0; if ( isset( $block->context['query']['offset'] ) && is_numeric( $block->context['query']['offset'] ) ) { $offset = absint( $block->context['query']['offset'] ); } $query['offset'] = ( $per_page * ( $page - 1 ) ) + $offset; $query['posts_per_page'] = $per_page; } // Migrate `categoryIds` and `tagIds` to `tax_query` for backwards compatibility. if ( ! empty( $block->context['query']['categoryIds'] ) || ! empty( $block->context['query']['tagIds'] ) ) { $tax_query = array(); if ( ! empty( $block->context['query']['categoryIds'] ) ) { $tax_query[] = array( 'taxonomy' => 'category', 'terms' => array_filter( array_map( 'intval', $block->context['query']['categoryIds'] ) ), 'include_children' => false, ); } if ( ! empty( $block->context['query']['tagIds'] ) ) { $tax_query[] = array( 'taxonomy' => 'post_tag', 'terms' => array_filter( array_map( 'intval', $block->context['query']['tagIds'] ) ), 'include_children' => false, ); } $query['tax_query'] = $tax_query; } if ( ! empty( $block->context['query']['taxQuery'] ) ) { $query['tax_query'] = array(); foreach ( $block->context['query']['taxQuery'] as $taxonomy => $terms ) { if ( is_taxonomy_viewable( $taxonomy ) && ! empty( $terms ) ) { $query['tax_query'][] = array( 'taxonomy' => $taxonomy, 'terms' => array_filter( array_map( 'intval', $terms ) ), 'include_children' => false, ); } } } if ( isset( $block->context['query']['order'] ) && in_array( strtoupper( $block->context['query']['order'] ), array( 'ASC', 'DESC' ), true ) ) { $query['order'] = strtoupper( $block->context['query']['order'] ); } if ( isset( $block->context['query']['orderBy'] ) ) { $query['orderby'] = $block->context['query']['orderBy']; } if ( isset( $block->context['query']['author'] ) && (int) $block->context['query']['author'] > 0 ) { $query['author'] = (int) $block->context['query']['author']; } if ( ! empty( $block->context['query']['search'] ) ) { $query['s'] = $block->context['query']['search']; } if ( ! empty( $block->context['query']['parents'] ) && is_post_type_hierarchical( $query['post_type'] ) ) { $query['post_parent__in'] = array_filter( array_map( 'intval', $block->context['query']['parents'] ) ); } } /** * Filters the arguments which will be passed to `WP_Query` for the Query Loop Block. * * Anything to this filter should be compatible with the `WP_Query` API to form * the query context which will be passed down to the Query Loop Block's children. * This can help, for example, to include additional settings or meta queries not * directly supported by the core Query Loop Block, and extend its capabilities. * * Please note that this will only influence the query that will be rendered on the * front-end. The editor preview is not affected by this filter. Also, worth noting * that the editor preview uses the REST API, so, ideally, one should aim to provide * attributes which are also compatible with the REST API, in order to be able to * implement identical queries on both sides. * * @since 6.1.0 * * @param array $query Array containing parameters for `WP_Query` as parsed by the block context. * @param WP_Block $block Block instance. * @param int $page Current query's page. */ return apply_filters( 'query_loop_block_query_vars', $query, $block, $page ); } /** * Helper function that returns the proper pagination arrow HTML for * `QueryPaginationNext` and `QueryPaginationPrevious` blocks based * on the provided `paginationArrow` from `QueryPagination` context. * * It's used in QueryPaginationNext and QueryPaginationPrevious blocks. * * @since 5.9.0 * * @param WP_Block $block Block instance. * @param bool $is_next Flag for handling `next/previous` blocks. * @return string|null The pagination arrow HTML or null if there is none. */ function get_query_pagination_arrow( $block, $is_next ) { $arrow_map = array( 'none' => '', 'arrow' => array( 'next' => '→', 'previous' => '←', ), 'chevron' => array( 'next' => '»', 'previous' => '«', ), ); if ( ! empty( $block->context['paginationArrow'] ) && array_key_exists( $block->context['paginationArrow'], $arrow_map ) && ! empty( $arrow_map[ $block->context['paginationArrow'] ] ) ) { $pagination_type = $is_next ? 'next' : 'previous'; $arrow_attribute = $block->context['paginationArrow']; $arrow = $arrow_map[ $block->context['paginationArrow'] ][ $pagination_type ]; $arrow_classes = "wp-block-query-pagination-$pagination_type-arrow is-arrow-$arrow_attribute"; return ""; } return null; } /** * Helper function that constructs a comment query vars array from the passed * block properties. * * It's used with the Comment Query Loop inner blocks. * * @since 6.0.0 * * @param WP_Block $block Block instance. * @return array Returns the comment query parameters to use with the * WP_Comment_Query constructor. */ function build_comment_query_vars_from_block( $block ) { $comment_args = array( 'orderby' => 'comment_date_gmt', 'order' => 'ASC', 'status' => 'approve', 'no_found_rows' => false, ); if ( is_user_logged_in() ) { $comment_args['include_unapproved'] = array( get_current_user_id() ); } else { $unapproved_email = wp_get_unapproved_comment_author_email(); if ( $unapproved_email ) { $comment_args['include_unapproved'] = array( $unapproved_email ); } } if ( ! empty( $block->context['postId'] ) ) { $comment_args['post_id'] = (int) $block->context['postId']; } if ( get_option( 'thread_comments' ) ) { $comment_args['hierarchical'] = 'threaded'; } else { $comment_args['hierarchical'] = false; } if ( get_option( 'page_comments' ) === '1' || get_option( 'page_comments' ) === true ) { $per_page = get_option( 'comments_per_page' ); $default_page = get_option( 'default_comments_page' ); if ( $per_page > 0 ) { $comment_args['number'] = $per_page; $page = (int) get_query_var( 'cpage' ); if ( $page ) { $comment_args['paged'] = $page; } elseif ( 'oldest' === $default_page ) { $comment_args['paged'] = 1; } elseif ( 'newest' === $default_page ) { $max_num_pages = (int) ( new WP_Comment_Query( $comment_args ) )->max_num_pages; if ( 0 !== $max_num_pages ) { $comment_args['paged'] = $max_num_pages; } } // Set the `cpage` query var to ensure the previous and next pagination links are correct // when inheriting the Discussion Settings. if ( 0 === $page && isset( $comment_args['paged'] ) && $comment_args['paged'] > 0 ) { set_query_var( 'cpage', $comment_args['paged'] ); } } } return $comment_args; } /** * Helper function that returns the proper pagination arrow HTML for * `CommentsPaginationNext` and `CommentsPaginationPrevious` blocks based on the * provided `paginationArrow` from `CommentsPagination` context. * * It's used in CommentsPaginationNext and CommentsPaginationPrevious blocks. * * @since 6.0.0 * * @param WP_Block $block Block instance. * @param string $pagination_type Optional. Type of the arrow we will be rendering. * Accepts 'next' or 'previous'. Default 'next'. * @return string|null The pagination arrow HTML or null if there is none. */ function get_comments_pagination_arrow( $block, $pagination_type = 'next' ) { $arrow_map = array( 'none' => '', 'arrow' => array( 'next' => '→', 'previous' => '←', ), 'chevron' => array( 'next' => '»', 'previous' => '«', ), ); if ( ! empty( $block->context['comments/paginationArrow'] ) && ! empty( $arrow_map[ $block->context['comments/paginationArrow'] ][ $pagination_type ] ) ) { $arrow_attribute = $block->context['comments/paginationArrow']; $arrow = $arrow_map[ $block->context['comments/paginationArrow'] ][ $pagination_type ]; $arrow_classes = "wp-block-comments-pagination-$pagination_type-arrow is-arrow-$arrow_attribute"; return ""; } return null; }