Template|array $context A block template, template part, or pattern that the blocks belong to. * @return callable A function that returns the serialized markup for the given block, * including the markup for any hooked blocks after it. */ function make_after_block_visitor( $hooked_blocks, $context ) { /** * Injects hooked blocks after the given block, and returns the serialized markup. * * Append the markup for any blocks hooked `after` the given block and as its parent's * `last_child`, respectively, to the serialized markup for the given block. * * @param array $block The block to inject the hooked blocks after. Passed by reference. * @param array $parent_block The parent block of the given block. Passed by reference. Default null. * @param array $next The next sibling block of the given block. Default null. * @return string The serialized markup for the given block, with the markup for any hooked blocks appended to it. */ return function ( &$block, &$parent_block = null, $next = null ) use ( $hooked_blocks, $context ) { $markup = ''; $relative_position = 'after'; $anchor_block_type = $block['blockName']; $hooked_block_types = isset( $hooked_blocks[ $anchor_block_type ][ $relative_position ] ) ? $hooked_blocks[ $anchor_block_type ][ $relative_position ] : array(); /** This filter is documented in wp-includes/blocks.php */ $hooked_block_types = apply_filters( 'hooked_block_types', $hooked_block_types, $relative_position, $anchor_block_type, $context ); foreach ( $hooked_block_types as $hooked_block_type ) { $markup .= get_comment_delimited_block_content( $hooked_block_type, array(), '' ); } if ( $parent_block && ! $next ) { // Candidate for last-child insertion. $relative_position = 'last_child'; $anchor_block_type = $parent_block['blockName']; $hooked_block_types = isset( $hooked_blocks[ $anchor_block_type ][ $relative_position ] ) ? $hooked_blocks[ $anchor_block_type ][ $relative_position ] : array(); /** This filter is documented in wp-includes/blocks.php */ $hooked_block_types = apply_filters( 'hooked_block_types', $hooked_block_types, $relative_position, $anchor_block_type, $context ); foreach ( $hooked_block_types as $hooked_block_type ) { $markup .= get_comment_delimited_block_content( $hooked_block_type, array(), '' ); } } return $markup; }; } /** * Given an array of attributes, returns a string in the serialized attributes * format prepared for post content. * * The serialized result is a JSON-encoded string, with unicode escape sequence * substitution for characters which might otherwise interfere with embedding * the result in an HTML comment. * * This function must produce output that remains in sync with the output of * the serializeAttributes JavaScript function in the block editor in order * to ensure consistent operation between PHP and JavaScript. * * @since 5.3.1 * * @param array $block_attributes Attributes object. * @return string Serialized attributes. */ function serialize_block_attributes( $block_attributes ) { $encoded_attributes = wp_json_encode( $block_attributes, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE ); $encoded_attributes = preg_replace( '/--/', '\\u002d\\u002d', $encoded_attributes ); $encoded_attributes = preg_replace( '//', '\\u003e', $encoded_attributes ); $encoded_attributes = preg_replace( '/&/', '\\u0026', $encoded_attributes ); // Regex: /\\"/ $encoded_attributes = preg_replace( '/\\\\"/', '\\u0022', $encoded_attributes ); return $encoded_attributes; } /** * Returns the block name to use for serialization. This will remove the default * "core/" namespace from a block name. * * @since 5.3.1 * * @param string|null $block_name Optional. Original block name. Null if the block name is unknown, * e.g. Classic blocks have their name set to null. Default null. * @return string Block name to use for serialization. */ function strip_core_block_namespace( $block_name = null ) { if ( is_string( $block_name ) && str_starts_with( $block_name, 'core/' ) ) { return substr( $block_name, 5 ); } return $block_name; } /** * Returns the content of a block, including comment delimiters. * * @since 5.3.1 * * @param string|null $block_name Block name. Null if the block name is unknown, * e.g. Classic blocks have their name set to null. * @param array $block_attributes Block attributes. * @param string $block_content Block save content. * @return string Comment-delimited block content. */ function get_comment_delimited_block_content( $block_name, $block_attributes, $block_content ) { if ( is_null( $block_name ) ) { return $block_content; } $serialized_block_name = strip_core_block_namespace( $block_name ); $serialized_attributes = empty( $block_attributes ) ? '' : serialize_block_attributes( $block_attributes ) . ' '; if ( empty( $block_content ) ) { return sprintf( '', $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', $blocks ) ); } /** * Traverses a parsed block tree and applies callbacks before and after serializing it. * * Recursively traverses the block and its inner blocks and applies the two callbacks provided as * arguments, the first one before serializing the block, and the second one after serializing it. * If either callback returns a string value, it will be prepended and appended to the serialized * block markup, respectively. * * The callbacks will receive a reference to the current block as their first argument, so that they * can also modify it, and the current block's parent block as second argument. Finally, the * `$pre_callback` receives the previous block, whereas the `$post_callback` receives * the next block as third argument. * * Serialized blocks are returned including comment delimiters, and with all attributes serialized. * * This function should be used when there is a need to modify the saved block, or to inject markup * into the return value. Prefer `serialize_block` when preparing a block to be saved to post content. * * This function is meant for internal use only. * * @since 6.4.0 * @access private * * @see serialize_block() * * @param array $block A representative array of a single parsed block object. See WP_Block_Parser_Block. * @param callable $pre_callback Callback to run on each block in the tree before it is traversed and serialized. * It is called with the following arguments: &$block, $parent_block, $previous_block. * Its string return value will be prepended to the serialized block markup. * @param callable $post_callback Callback to run on each block in the tree after it is traversed and serialized. * It is called with the following arguments: &$block, $parent_block, $next_block. * Its string return value will be appended to the serialized block markup. * @return string Serialized block markup. */ function traverse_and_serialize_block( $block, $pre_callback = null, $post_callback = null ) { $block_content = ''; $block_index = 0; foreach ( $block['innerContent'] as $chunk ) { if ( is_string( $chunk ) ) { $block_content .= $chunk; } else { $inner_block = $block['innerBlocks'][ $block_index ]; if ( is_callable( $pre_callback ) ) { $prev = 0 === $block_index ? null : $block['innerBlocks'][ $block_index - 1 ]; $block_content .= call_user_func_array( $pre_callback, array( &$inner_block, &$block, $prev ) ); } if ( is_callable( $post_callback ) ) { $next = count( $block['innerBlocks'] ) - 1 === $block_index ? null : $block['innerBlocks'][ $block_index + 1 ]; $post_markup = call_user_func_array( $post_callback, array( &$inner_block, &$block, $next ) ); } $block_content .= traverse_and_serialize_block( $inner_block, $pre_callback, $post_callback ); $block_content .= isset( $post_markup ) ? $post_markup : ''; ++$block_index; } } if ( ! is_array( $block['attrs'] ) ) { $block['attrs'] = array(); } return get_comment_delimited_block_content( $block['blockName'], $block['attrs'], $block_content ); } /** * Given an array of parsed block trees, applies callbacks before and after serializing them and * returns their concatenated output. * * Recursively traverses the blocks and their inner blocks and applies the two callbacks provided as * arguments, the first one before serializing a block, and the second one after serializing. * If either callback returns a string value, it will be prepended and appended to the serialized * block markup, respectively. * * The callbacks will receive a reference to the current block as their first argument, so that they * can also modify it, and the current block's parent block as second argument. Finally, the * `$pre_callback` receives the previous block, whereas the `$post_callback` receives * the next block as third argument. * * Serialized blocks are returned including comment delimiters, and with all attributes serialized. * * This function should be used when there is a need to modify the saved blocks, or to inject markup * into the return value. Prefer `serialize_blocks` when preparing blocks to be saved to post content. * * This function is meant for internal use only. * * @since 6.4.0 * @access private * * @see serialize_blocks() * * @param array[] $blocks An array of parsed blocks. See WP_Block_Parser_Block. * @param callable $pre_callback Callback to run on each block in the tree before it is traversed and serialized. * It is called with the following arguments: &$block, $parent_block, $previous_block. * Its string return value will be prepended to the serialized block markup. * @param callable $post_callback Callback to run on each block in the tree after it is traversed and serialized. * It is called with the following arguments: &$block, $parent_block, $next_block. * Its string return value will be appended to the serialized block markup. * @return string Serialized block markup. */ function traverse_and_serialize_blocks( $blocks, $pre_callback = null, $post_callback = null ) { $result = ''; $parent_block = null; // At the top level, there is no parent block to pass to the callbacks; yet the callbacks expect a reference. foreach ( $blocks as $index => $block ) { if ( is_callable( $pre_callback ) ) { $prev = 0 === $index ? null : $blocks[ $index - 1 ]; $result .= call_user_func_array( $pre_callback, array( &$block, &$parent_block, $prev ) ); } if ( is_callable( $post_callback ) ) { $next = count( $blocks ) - 1 === $index ? null : $blocks[ $index + 1 ]; $post_markup = call_user_func_array( $post_callback, array( &$block, &$parent_block, $next ) ); } $result .= traverse_and_serialize_block( $block, $pre_callback, $post_callback ); $result .= isset( $post_markup ) ? $post_markup : ''; } return $result; } /** * 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 ( str_contains( $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 ); 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 * * @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(). * @return string[]|string The filtered and sanitized result. */ function filter_block_kses_value( $value, $allowed_html, $allowed_protocols = array() ) { if ( is_array( $value ) ) { foreach ( $value as $key => $inner_value ) { $filtered_key = filter_block_kses_value( $key, $allowed_html, $allowed_protocols ); $filtered_value = filter_block_kses_value( $inner_value, $allowed_html, $allowed_protocols ); 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; } /** * 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 ) { if ( ! has_blocks( $content ) ) { return $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; } /** * Parses footnotes markup out of a content string, * and renders those appropriate for the excerpt. * * @since 6.3.0 * * @param string $content The content to parse. * @return string The parsed and filtered content. */ function excerpt_remove_footnotes( $content ) { if ( ! str_contains( $content, 'data-fn=' ) ) { return $content; } return preg_replace( '_\s*\d+\s*_', '', $content ); } /** * 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_handle (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, $block_style_name ); } /** * Checks whether the current block type supports the feature requested. * * @since 5.8.0 * @since 6.4.0 The `$feature` parameter now supports a string. * * @param WP_Block_Type $block_type Block type to check for support. * @param string|array $feature Feature slug, or 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 instanceof WP_Block_Type ) { if ( is_array( $feature ) && count( $feature ) === 1 ) { $feature = $feature[0]; } if ( is_array( $feature ) ) { $block_support = _wp_array_get( $block_type->supports, $feature, $default_value ); } elseif ( isset( $block_type->supports[ $feature ] ) ) { $block_support = $block_type->supports[ $feature ]; } } 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 = isset( $metadata['supports'][ $typography_key ] ) ? $metadata['supports'][ $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'] ) ) { if ( is_array( $block->context['query']['author'] ) ) { $query['author__in'] = array_filter( array_map( 'intval', $block->context['query']['author'] ) ); } elseif ( is_string( $block->context['query']['author'] ) ) { $query['author__in'] = array_filter( array_map( 'intval', explode( ',', $block->context['query']['author'] ) ) ); } elseif ( is_int( $block->context['query']['author'] ) && $block->context['query']['author'] > 0 ) { $query['author'] = $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; } /** * Strips all HTML from the content of footnotes, and sanitizes the ID. * This function expects slashed data on the footnotes content. * * @access private * @since 6.3.2 * * @param string $footnotes JSON encoded string of an array containing the content and ID of each footnote. * @return string Filtered content without any HTML on the footnote content and with the sanitized id. */ function _wp_filter_post_meta_footnotes( $footnotes ) { $footnotes_decoded = json_decode( $footnotes, true ); if ( ! is_array( $footnotes_decoded ) ) { return ''; } $footnotes_sanitized = array(); foreach ( $footnotes_decoded as $footnote ) { if ( ! empty( $footnote['content'] ) && ! empty( $footnote['id'] ) ) { $footnotes_sanitized[] = array( 'id' => sanitize_key( $footnote['id'] ), 'content' => wp_unslash( wp_filter_post_kses( wp_slash( $footnote['content'] ) ) ), ); } } return wp_json_encode( $footnotes_sanitized ); } /** * Adds the filters to filter footnotes meta field. * * @access private * @since 6.3.2 */ function _wp_footnotes_kses_init_filters() { add_filter( 'sanitize_post_meta_footnotes', '_wp_filter_post_meta_footnotes' ); } /** * Removes the filters that filter footnotes meta field. * * @access private * @since 6.3.2 */ function _wp_footnotes_remove_filters() { remove_filter( 'sanitize_post_meta_footnotes', '_wp_filter_post_meta_footnotes' ); } /** * Registers the filter of footnotes meta field if the user does not have unfiltered_html capability. * * @access private * @since 6.3.2 */ function _wp_footnotes_kses_init() { _wp_footnotes_remove_filters(); if ( ! current_user_can( 'unfiltered_html' ) ) { _wp_footnotes_kses_init_filters(); } } /** * Initializes footnotes meta field filters when imported data should be filtered. * * This filter is the last being executed on force_filtered_html_on_import. * If the input of the filter is true it means we are in an import situation and should * enable kses, independently of the user capabilities. * So in that case we call _wp_footnotes_kses_init_filters; * * @access private * @since 6.3.2 * * @param string $arg Input argument of the filter. * @return string Input argument of the filter. */ function _wp_footnotes_force_filtered_html_on_import_filter( $arg ) { // force_filtered_html_on_import is true we need to init the global styles kses filters. if ( $arg ) { _wp_footnotes_kses_init_filters(); } return $arg; }