ponse; } /** * Returns whether the REST server is currently dispatching / responding to a request. * * This may be a standalone REST API request, or an internal request dispatched from within a regular page load. * * @since 6.5.0 * * @return bool Whether the REST server is currently handling a request. */ public function is_dispatching() { return (bool) $this->dispatching_requests; } /** * Matches a request object to its handler. * * @access private * @since 5.6.0 * * @param WP_REST_Request $request The request object. * @return array|WP_Error The route and request handler on success or a WP_Error instance if no handler was found. */ protected function match_request_to_handler( $request ) { $method = $request->get_method(); $path = $request->get_route(); $with_namespace = array(); foreach ( $this->get_namespaces() as $namespace ) { if ( str_starts_with( trailingslashit( ltrim( $path, '/' ) ), $namespace ) ) { $with_namespace[] = $this->get_routes( $namespace ); } } if ( $with_namespace ) { $routes = array_merge( ...$with_namespace ); } else { $routes = $this->get_routes(); } foreach ( $routes as $route => $handlers ) { $match = preg_match( '@^' . $route . '$@i', $path, $matches ); if ( ! $match ) { continue; } $args = array(); foreach ( $matches as $param => $value ) { if ( ! is_int( $param ) ) { $args[ $param ] = $value; } } foreach ( $handlers as $handler ) { $callback = $handler['callback']; // Fallback to GET method if no HEAD method is registered. $checked_method = $method; if ( 'HEAD' === $method && empty( $handler['methods']['HEAD'] ) ) { $checked_method = 'GET'; } if ( empty( $handler['methods'][ $checked_method ] ) ) { continue; } if ( ! is_callable( $callback ) ) { return array( $route, $handler ); } $request->set_url_params( $args ); $request->set_attributes( $handler ); $defaults = array(); foreach ( $handler['args'] as $arg => $options ) { if ( isset( $options['default'] ) ) { $defaults[ $arg ] = $options['default']; } } $request->set_default_params( $defaults ); return array( $route, $handler ); } } return new WP_Error( 'rest_no_route', __( 'No route was found matching the URL and request method.' ), array( 'status' => 404 ) ); } /** * Dispatches the request to the callback handler. * * @access private * @since 5.6.0 * * @param WP_REST_Request $request The request object. * @param string $route The matched route regex. * @param array $handler The matched route handler. * @param WP_Error|null $response The current error object if any. * @return WP_REST_Response */ protected function respond_to_request( $request, $route, $handler, $response ) { /** * Filters the response before executing any REST API callbacks. * * Allows plugins to perform additional validation after a * request is initialized and matched to a registered route, * but before it is executed. * * Note that this filter will not be called for requests that * fail to authenticate or match to a registered route. * * @since 4.7.0 * * @param WP_REST_Response|WP_HTTP_Response|WP_Error|mixed $response Result to send to the client. * Usually a WP_REST_Response or WP_Error. * @param array $handler Route handler used for the request. * @param WP_REST_Request $request Request used to generate the response. */ $response = apply_filters( 'rest_request_before_callbacks', $response, $handler, $request ); // Check permission specified on the route. if ( ! is_wp_error( $response ) && ! empty( $handler['permission_callback'] ) ) { $permission = call_user_func( $handler['permission_callback'], $request ); if ( is_wp_error( $permission ) ) { $response = $permission; } elseif ( false === $permission || null === $permission ) { $response = new WP_Error( 'rest_forbidden', __( 'Sorry, you are not allowed to do that.' ), array( 'status' => rest_authorization_required_code() ) ); } } if ( ! is_wp_error( $response ) ) { /** * Filters the REST API dispatch request result. * * Allow plugins to override dispatching the request. * * @since 4.4.0 * @since 4.5.0 Added `$route` and `$handler` parameters. * * @param mixed $dispatch_result Dispatch result, will be used if not empty. * @param WP_REST_Request $request Request used to generate the response. * @param string $route Route matched for the request. * @param array $handler Route handler used for the request. */ $dispatch_result = apply_filters( 'rest_dispatch_request', null, $request, $route, $handler ); // Allow plugins to halt the request via this filter. if ( null !== $dispatch_result ) { $response = $dispatch_result; } else { $response = call_user_func( $handler['callback'], $request ); } } /** * Filters the response immediately after executing any REST API * callbacks. * * Allows plugins to perform any needed cleanup, for example, * to undo changes made during the {@see 'rest_request_before_callbacks'} * filter. * * Note that this filter will not be called for requests that * fail to authenticate or match to a registered route. * * Note that an endpoint's `permission_callback` can still be * called after this filter - see `rest_send_allow_header()`. * * @since 4.7.0 * * @param WP_REST_Response|WP_HTTP_Response|WP_Error|mixed $response Result to send to the client. * Usually a WP_REST_Response or WP_Error. * @param array $handler Route handler used for the request. * @param WP_REST_Request $request Request used to generate the response. */ $response = apply_filters( 'rest_request_after_callbacks', $response, $handler, $request ); if ( is_wp_error( $response ) ) { $response = $this->error_to_response( $response ); } else { $response = rest_ensure_response( $response ); } $response->set_matched_route( $route ); $response->set_matched_handler( $handler ); return $response; } /** * Returns if an error occurred during most recent JSON encode/decode. * * Strings to be translated will be in format like * "Encoding error: Maximum stack depth exceeded". * * @since 4.4.0 * * @return false|string Boolean false or string error message. */ protected function get_json_last_error() { $last_error_code = json_last_error(); if ( JSON_ERROR_NONE === $last_error_code || empty( $last_error_code ) ) { return false; } return json_last_error_msg(); } /** * Retrieves the site index. * * This endpoint describes the capabilities of the site. * * @since 4.4.0 * * @param array $request { * Request. * * @type string $context Context. * } * @return WP_REST_Response The API root index data. */ public function get_index( $request ) { // General site data. $available = array( 'name' => get_option( 'blogname' ), 'description' => get_option( 'blogdescription' ), 'url' => get_option( 'siteurl' ), 'home' => home_url(), 'gmt_offset' => get_option( 'gmt_offset' ), 'timezone_string' => get_option( 'timezone_string' ), 'page_for_posts' => (int) get_option( 'page_for_posts' ), 'page_on_front' => (int) get_option( 'page_on_front' ), 'show_on_front' => get_option( 'show_on_front' ), 'namespaces' => array_keys( $this->namespaces ), 'authentication' => array(), 'routes' => $this->get_data_for_routes( $this->get_routes(), $request['context'] ), ); $response = new WP_REST_Response( $available ); $fields = isset( $request['_fields'] ) ? $request['_fields'] : ''; $fields = wp_parse_list( $fields ); if ( empty( $fields ) ) { $fields[] = '_links'; } if ( $request->has_param( '_embed' ) ) { $fields[] = '_embedded'; } if ( rest_is_field_included( '_links', $fields ) || rest_is_field_included( '_embedded', $fields ) ) { $response->add_link( 'help', 'https://developer.wordpress.org/rest-api/' ); $this->add_active_theme_link_to_index( $response ); $this->add_site_logo_to_index( $response ); $this->add_site_icon_to_index( $response ); } else { if ( rest_is_field_included( 'site_logo', $fields ) ) { $this->add_site_logo_to_index( $response ); } if ( rest_is_field_included( 'site_icon', $fields ) || rest_is_field_included( 'site_icon_url', $fields ) ) { $this->add_site_icon_to_index( $response ); } } /** * Filters the REST API root index data. * * This contains the data describing the API. This includes information * about supported authentication schemes, supported namespaces, routes * available on the API, and a small amount of data about the site. * * @since 4.4.0 * @since 6.0.0 Added `$request` parameter. * * @param WP_REST_Response $response Response data. * @param WP_REST_Request $request Request data. */ return apply_filters( 'rest_index', $response, $request ); } /** * Adds a link to the active theme for users who have proper permissions. * * @since 5.7.0 * * @param WP_REST_Response $response REST API response. */ protected function add_active_theme_link_to_index( WP_REST_Response $response ) { $should_add = current_user_can( 'switch_themes' ) || current_user_can( 'manage_network_themes' ); if ( ! $should_add && current_user_can( 'edit_posts' ) ) { $should_add = true; } if ( ! $should_add ) { foreach ( get_post_types( array( 'show_in_rest' => true ), 'objects' ) as $post_type ) { if ( current_user_can( $post_type->cap->edit_posts ) ) { $should_add = true; break; } } } if ( $should_add ) { $theme = wp_get_theme(); $response->add_link( 'https://api.w.org/active-theme', rest_url( 'wp/v2/themes/' . $theme->get_stylesheet() ) ); } } /** * Exposes the site logo through the WordPress REST API. * * This is used for fetching this information when user has no rights * to update settings. * * @since 5.8.0 * * @param WP_REST_Response $response REST API response. */ protected function add_site_logo_to_index( WP_REST_Response $response ) { $site_logo_id = get_theme_mod( 'custom_logo', 0 ); $this->add_image_to_index( $response, $site_logo_id, 'site_logo' ); } /** * Exposes the site icon through the WordPress REST API. * * This is used for fetching this information when user has no rights * to update settings. * * @since 5.9.0 * * @param WP_REST_Response $response REST API response. */ protected function add_site_icon_to_index( WP_REST_Response $response ) { $site_icon_id = get_option( 'site_icon', 0 ); $this->add_image_to_index( $response, $site_icon_id, 'site_icon' ); $response->data['site_icon_url'] = get_site_icon_url(); } /** * Exposes an image through the WordPress REST API. * This is used for fetching this information when user has no rights * to update settings. * * @since 5.9.0 * * @param WP_REST_Response $response REST API response. * @param int $image_id Image attachment ID. * @param string $type Type of Image. */ protected function add_image_to_index( WP_REST_Response $response, $image_id, $type ) { $response->data[ $type ] = (int) $image_id; if ( $image_id ) { $response->add_link( 'https://api.w.org/featuredmedia', rest_url( rest_get_route_for_post( $image_id ) ), array( 'embeddable' => true, 'type' => $type, ) ); } } /** * Retrieves the index for a namespace. * * @since 4.4.0 * * @param WP_REST_Request $request REST request instance. * @return WP_REST_Response|WP_Error WP_REST_Response instance if the index was found, * WP_Error if the namespace isn't set. */ public function get_namespace_index( $request ) { $namespace = $request['namespace']; if ( ! isset( $this->namespaces[ $namespace ] ) ) { return new WP_Error( 'rest_invalid_namespace', __( 'The specified namespace could not be found.' ), array( 'status' => 404 ) ); } $routes = $this->namespaces[ $namespace ]; $endpoints = array_intersect_key( $this->get_routes(), $routes ); $data = array( 'namespace' => $namespace, 'routes' => $this->get_data_for_routes( $endpoints, $request['context'] ), ); $response = rest_ensure_response( $data ); // Link to the root index. $response->add_link( 'up', rest_url( '/' ) ); /** * Filters the REST API namespace index data. * * This typically is just the route data for the namespace, but you can * add any data you'd like here. * * @since 4.4.0 * * @param WP_REST_Response $response Response data. * @param WP_REST_Request $request Request data. The namespace is passed as the 'namespace' parameter. */ return apply_filters( 'rest_namespace_index', $response, $request ); } /** * Retrieves the publicly-visible data for routes. * * @since 4.4.0 * * @param array $routes Routes to get data for. * @param string $context Optional. Context for data. Accepts 'view' or 'help'. Default 'view'. * @return array[] Route data to expose in indexes, keyed by route. */ public function get_data_for_routes( $routes, $context = 'view' ) { $available = array(); // Find the available routes. foreach ( $routes as $route => $callbacks ) { $data = $this->get_data_for_route( $route, $callbacks, $context ); if ( empty( $data ) ) { continue; } /** * Filters the publicly-visible data for a single REST API route. * * @since 4.4.0 * * @param array $data Publicly-visible data for the route. */ $available[ $route ] = apply_filters( 'rest_endpoints_description', $data ); } /** * Filters the publicly-visible data for REST API routes. * * This data is exposed on indexes and can be used by clients or * developers to investigate the site and find out how to use it. It * acts as a form of self-documentation. * * @since 4.4.0 * * @param array[] $available Route data to expose in indexes, keyed by route. * @param array $routes Internal route data as an associative array. */ return apply_filters( 'rest_route_data', $available, $routes ); } /** * Retrieves publicly-visible data for the route. * * @since 4.4.0 * * @param string $route Route to get data for. * @param array $callbacks Callbacks to convert to data. * @param string $context Optional. Context for the data. Accepts 'view' or 'help'. Default 'view'. * @return array|null Data for the route, or null if no publicly-visible data. */ public function get_data_for_route( $route, $callbacks, $context = 'view' ) { $data = array( 'namespace' => '', 'methods' => array(), 'endpoints' => array(), ); $allow_batch = false; if ( isset( $this->route_options[ $route ] ) ) { $options = $this->route_options[ $route ]; if ( isset( $options['namespace'] ) ) { $data['namespace'] = $options['namespace']; } $allow_batch = isset( $options['allow_batch'] ) ? $options['allow_batch'] : false; if ( isset( $options['schema'] ) && 'help' === $context ) { $data['schema'] = call_user_func( $options['schema'] ); } } $allowed_schema_keywords = array_flip( rest_get_allowed_schema_keywords() ); $route = preg_replace( '#\(\?P<(\w+?)>.*?\)#', '{$1}', $route ); foreach ( $callbacks as $callback ) { // Skip to the next route if any callback is hidden. if ( empty( $callback['show_in_index'] ) ) { continue; } $data['methods'] = array_merge( $data['methods'], array_keys( $callback['methods'] ) ); $endpoint_data = array( 'methods' => array_keys( $callback['methods'] ), ); $callback_batch = isset( $callback['allow_batch'] ) ? $callback['allow_batch'] : $allow_batch; if ( $callback_batch ) { $endpoint_data['allow_batch'] = $callback_batch; } if ( isset( $callback['args'] ) ) { $endpoint_data['args'] = array(); foreach ( $callback['args'] as $key => $opts ) { if ( is_string( $opts ) ) { $opts = array( $opts => 0 ); } elseif ( ! is_array( $opts ) ) { $opts = array(); } $arg_data = array_intersect_key( $opts, $allowed_schema_keywords ); $arg_data['required'] = ! empty( $opts['required'] ); $endpoint_data['args'][ $key ] = $arg_data; } } $data['endpoints'][] = $endpoint_data; // For non-variable routes, generate links. if ( ! str_contains( $route, '{' ) ) { $data['_links'] = array( 'self' => array( array( 'href' => rest_url( $route ), ), ), ); } } if ( empty( $data['methods'] ) ) { // No methods supported, hide the route. return null; } return $data; } /** * Gets the maximum number of requests that can be included in a batch. * * @since 5.6.0 * * @return int The maximum requests. */ protected function get_max_batch_size() { /** * Filters the maximum number of REST API requests that can be included in a batch. * * @since 5.6.0 * * @param int $max_size The maximum size. */ return apply_filters( 'rest_get_max_batch_size', 25 ); } /** * Serves the batch/v1 request. * * @since 5.6.0 * * @param WP_REST_Request $batch_request The batch request object. * @return WP_REST_Response The generated response object. */ public function serve_batch_request_v1( WP_REST_Request $batch_request ) { $requests = array(); foreach ( $batch_request['requests'] as $args ) { $parsed_url = wp_parse_url( $args['path'] ); if ( false === $parsed_url ) { $requests[] = new WP_Error( 'parse_path_failed', __( 'Could not parse the path.' ), array( 'status' => 400 ) ); continue; } $single_request = new WP_REST_Request( isset( $args['method'] ) ? $args['method'] : 'POST', $parsed_url['path'] ); if ( ! empty( $parsed_url['query'] ) ) { $query_args = array(); wp_parse_str( $parsed_url['query'], $query_args ); $single_request->set_query_params( $query_args ); } if ( ! empty( $args['body'] ) ) { $single_request->set_body_params( $args['body'] ); } if ( ! empty( $args['headers'] ) ) { $single_request->set_headers( $args['headers'] ); } $requests[] = $single_request; } $matches = array(); $validation = array(); $has_error = false; foreach ( $requests as $single_request ) { $match = $this->match_request_to_handler( $single_request ); $matches[] = $match; $error = null; if ( is_wp_error( $match ) ) { $error = $match; } if ( ! $error ) { list( $route, $handler ) = $match; if ( isset( $handler['allow_batch'] ) ) { $allow_batch = $handler['allow_batch']; } else { $route_options = $this->get_route_options( $route ); $allow_batch = isset( $route_options['allow_batch'] ) ? $route_options['allow_batch'] : false; } if ( ! is_array( $allow_batch ) || empty( $allow_batch['v1'] ) ) { $error = new WP_Error( 'rest_batch_not_allowed', __( 'The requested route does not support batch requests.' ), array( 'status' => 400 ) ); } } if ( ! $error ) { $check_required = $single_request->has_valid_params(); if ( is_wp_error( $check_required ) ) { $error = $check_required; } } if ( ! $error ) { $check_sanitized = $single_request->sanitize_params(); if ( is_wp_error( $check_sanitized ) ) { $error = $check_sanitized; } } if ( $error ) { $has_error = true; $validation[] = $error; } else { $validation[] = true; } } $responses = array(); if ( $has_error && 'require-all-validate' === $batch_request['validation'] ) { foreach ( $validation as $valid ) { if ( is_wp_error( $valid ) ) { $responses[] = $this->envelope_response( $this->error_to_response( $valid ), false )->get_data(); } else { $responses[] = null; } } return new WP_REST_Response( array( 'failed' => 'validation', 'responses' => $responses, ), WP_Http::MULTI_STATUS ); } foreach ( $requests as $i => $single_request ) { $clean_request = clone $single_request; $clean_request->set_url_params( array() ); $clean_request->set_attributes( array() ); $clean_request->set_default_params( array() ); /** This filter is documented in wp-includes/rest-api/class-wp-rest-server.php */ $result = apply_filters( 'rest_pre_dispatch', null, $this, $clean_request ); if ( empty( $result ) ) { $match = $matches[ $i ]; $error = null; if ( is_wp_error( $validation[ $i ] ) ) { $error = $validation[ $i ]; } if ( is_wp_error( $match ) ) { $result = $this->error_to_response( $match ); } else { list( $route, $handler ) = $match; if ( ! $error && ! is_callable( $handler['callback'] ) ) { $error = new WP_Error( 'rest_invalid_handler', __( 'The handler for the route is invalid' ), array( 'status' => 500 ) ); } $result = $this->respond_to_request( $single_request, $route, $handler, $error ); } } /** This filter is documented in wp-includes/rest-api/class-wp-rest-server.php */ $result = apply_filters( 'rest_post_dispatch', rest_ensure_response( $result ), $this, $single_request ); $responses[] = $this->envelope_response( $result, false )->get_data(); } return new WP_REST_Response( array( 'responses' => $responses ), WP_Http::MULTI_STATUS ); } /** * Sends an HTTP status code. * * @since 4.4.0 * * @param int $code HTTP status. */ protected function set_status( $code ) { status_header( $code ); } /** * Sends an HTTP header. * * @since 4.4.0 * * @param string $key Header key. * @param string $value Header value. */ public function send_header( $key, $value ) { /* * Sanitize as per RFC2616 (Section 4.2): * * Any LWS that occurs between field-content MAY be replaced with a * single SP before interpreting the field value or forwarding the * message downstream. */ $value = preg_replace( '/\s+/', ' ', $value ); header( sprintf( '%s: %s', $key, $value ) ); } /** * Sends multiple HTTP headers. * * @since 4.4.0 * * @param array $headers Map of header name to header value. */ public function send_headers( $headers ) { foreach ( $headers as $key => $value ) { $this->send_header( $key, $value ); } } /** * Removes an HTTP header from the current response. * * @since 4.8.0 * * @param string $key Header key. */ public function remove_header( $key ) { header_remove( $key ); } /** * Retrieves the raw request entity (body). * * @since 4.4.0 * * @global string $HTTP_RAW_POST_DATA Raw post data. * * @return string Raw request data. */ public static function get_raw_data() { // phpcs:disable PHPCompatibility.Variables.RemovedPredefinedGlobalVariables.http_raw_post_dataDeprecatedRemoved global $HTTP_RAW_POST_DATA; // $HTTP_RAW_POST_DATA was deprecated in PHP 5.6 and removed in PHP 7.0. if ( ! isset( $HTTP_RAW_POST_DATA ) ) { $HTTP_RAW_POST_DATA = file_get_contents( 'php://input' ); } return $HTTP_RAW_POST_DATA; // phpcs:enable } /** * Extracts headers from a PHP-style $_SERVER array. * * @since 4.4.0 * * @param array $server Associative array similar to `$_SERVER`. * @return array Headers extracted from the input. */ public function get_headers( $server ) { $headers = array(); // CONTENT_* headers are not prefixed with HTTP_. $additional = array( 'CONTENT_LENGTH' => true, 'CONTENT_MD5' => true, 'CONTENT_TYPE' => true, ); foreach ( $server as $key => $value ) { if ( str_starts_with( $key, 'HTTP_' ) ) { $headers[ substr( $key, 5 ) ] = $value; } elseif ( 'REDIRECT_HTTP_AUTHORIZATION' === $key && empty( $server['HTTP_AUTHORIZATION'] ) ) { /* * In some server configurations, the authorization header is passed in this alternate location. * Since it would not be passed in in both places we do not check for both headers and resolve. */ $headers['AUTHORIZATION'] = $value; } elseif ( isset( $additional[ $key ] ) ) { $headers[ $key ] = $value; } } return $headers; } } rn 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 An associative 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 ); } /** * Replaces patterns in a block tree with their content. * * @since 6.6.0 * * @param array $blocks An array blocks. * * @return array An array of blocks with patterns replaced by their content. */ function resolve_pattern_blocks( $blocks ) { static $inner_content; // Keep track of seen references to avoid infinite loops. static $seen_refs = array(); $i = 0; while ( $i < count( $blocks ) ) { if ( 'core/pattern' === $blocks[ $i ]['blockName'] ) { $attrs = $blocks[ $i ]['attrs']; if ( empty( $attrs['slug'] ) ) { ++$i; continue; } $slug = $attrs['slug']; if ( isset( $seen_refs[ $slug ] ) ) { // Skip recursive patterns. array_splice( $blocks, $i, 1 ); continue; } $registry = WP_Block_Patterns_Registry::get_instance(); $pattern = $registry->get_registered( $slug ); // Skip unknown patterns. if ( ! $pattern ) { ++$i; continue; } $blocks_to_insert = parse_blocks( $pattern['content'] ); $seen_refs[ $slug ] = true; $prev_inner_content = $inner_content; $inner_content = null; $blocks_to_insert = resolve_pattern_blocks( $blocks_to_insert ); $inner_content = $prev_inner_content; unset( $seen_refs[ $slug ] ); array_splice( $blocks, $i, 1, $blocks_to_insert ); // If we have inner content, we need to insert nulls in the // inner content array, otherwise serialize_blocks will skip // blocks. if ( $inner_content ) { $null_indices = array_keys( $inner_content, null, true ); $content_index = $null_indices[ $i ]; $nulls = array_fill( 0, count( $blocks_to_insert ), null ); array_splice( $inner_content, $content_index, 1, $nulls ); } // Skip inserted blocks. $i += count( $blocks_to_insert ); } else { if ( ! empty( $blocks[ $i ]['innerBlocks'] ) ) { $prev_inner_content = $inner_content; $inner_content = $blocks[ $i ]['innerContent']; $blocks[ $i ]['innerBlocks'] = resolve_pattern_blocks( $blocks[ $i ]['innerBlocks'] ); $blocks[ $i ]['innerContent'] = $inner_content; $inner_content = $prev_inner_content; } ++$i; } } return $blocks; } /** * Given an array of parsed block trees, applies callbacks before and after serializing them and * returns their concatenated output. * * Recursively traverses the blocks and their inner blocks and applies the two callbacks provided as * arguments, the first one before serializing a block, and the second one after serializing. * If either callback returns a string value, it will be prepended and appended to the serialized * block markup, respectively. * * The callbacks will receive a reference to the current block as their first argument, so that they * can also modify it, and the current block's parent block as second argument. Finally, the * `$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. $pre_callback_is_callable = is_callable( $pre_callback ); $post_callback_is_callable = is_callable( $post_callback ); foreach ( $blocks as $index => $block ) { if ( $pre_callback_is_callable ) { $prev = 0 === $index ? null : $blocks[ $index - 1 ]; $result .= call_user_func_array( $pre_callback, array( &$block, &$parent_block, $prev ) ); } if ( $post_callback_is_callable ) { $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(). * * @since 6.2.1 * @access private * * @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 ) { 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 { * An associative array of the block being rendered. See WP_Block_Parser_Block. * * @type string $blockName Name of block. * @type array $attrs Attributes from block comment delimiters. * @type array[] $innerBlocks List of inner blocks. An array of arrays that * have the same structure as this one. * @type string $innerHTML HTML from inside block comment delimiters. * @type array $innerContent List of string fragments and null markers where * inner blocks were found. * } * @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 { * An associative array of the block being rendered. See WP_Block_Parser_Block. * * @type string $blockName Name of block. * @type array $attrs Attributes from block comment delimiters. * @type array[] $innerBlocks List of inner blocks. An array of arrays that * have the same structure as this one. * @type string $innerHTML HTML from inside block comment delimiters. * @type array $innerContent List of string fragments and null markers where * inner blocks were found. * } * @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 { * An associative array of the block being rendered. See WP_Block_Parser_Block. * * @type string $blockName Name of block. * @type array $attrs Attributes from block comment delimiters. * @type array[] $innerBlocks List of inner blocks. An array of arrays that * have the same structure as this one. * @type string $innerHTML HTML from inside block comment delimiters. * @type array $innerContent List of string fragments and null markers where * inner blocks were found. * } * @param array $source_block { * An un-modified copy of `$parsed_block`, as it appeared in the source content. * See WP_Block_Parser_Block. * * @type string $blockName Name of block. * @type array $attrs Attributes from block comment delimiters. * @type array[] $innerBlocks List of inner blocks. An array of arrays that * have the same structure as this one. * @type string $innerHTML HTML from inside block comment delimiters. * @type array $innerContent List of string fragments and null markers where * inner blocks were found. * } * @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 { * An associative array of the block being rendered. See WP_Block_Parser_Block. * * @type string $blockName Name of block. * @type array $attrs Attributes from block comment delimiters. * @type array[] $innerBlocks List of inner blocks. An array of arrays that * have the same structure as this one. * @type string $innerHTML HTML from inside block comment delimiters. * @type array $innerContent List of string fragments and null markers where * inner blocks were found. * } * @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 block structures. * * @type array ...$0 { * An associative array of a single parsed block object. See WP_Block_Parser_Block. * * @type string $blockName Name of block. * @type array $attrs Attributes from block comment delimiters. * @type array[] $innerBlocks List of inner blocks. An array of arrays that * have the same structure as this one. * @type string $innerHTML HTML from inside block comment delimiters. * @type array $innerContent List of string fragments and null markers where * inner blocks were found. * } * } */ 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 * @since 6.6.0 Added support for registering styles for multiple block types. * * @link https://developer.wordpress.org/block-editor/reference-guides/block-api/block-styles/ * * @param string|string[] $block_name Block type name including namespace or array of namespaced block type names. * @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), * style_data (theme.json-like array to generate CSS from). * See WP_Block_Styles_Registry::register(). * @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. * @since 6.7.0 Added support for the `format` property 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(), 'tax_query' => 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; } elseif ( 'exclude' === $block->context['query']['sticky'] ) { $query['post__not_in'] = array_merge( $query['post__not_in'], $sticky ); } elseif ( 'ignore' === $block->context['query']['sticky'] ) { $query['ignore_sticky_posts'] = 1; } } 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_back_compat = array(); if ( ! empty( $block->context['query']['categoryIds'] ) ) { $tax_query_back_compat[] = array( 'taxonomy' => 'category', 'terms' => array_filter( array_map( 'intval', $block->context['query']['categoryIds'] ) ), 'include_children' => false, ); } if ( ! empty( $block->context['query']['tagIds'] ) ) { $tax_query_back_compat[] = array( 'taxonomy' => 'post_tag', 'terms' => array_filter( array_map( 'intval', $block->context['query']['tagIds'] ) ), 'include_children' => false, ); } $query['tax_query'] = array_merge( $query['tax_query'], $tax_query_back_compat ); } if ( ! empty( $block->context['query']['taxQuery'] ) ) { $tax_query = array(); foreach ( $block->context['query']['taxQuery'] as $taxonomy => $terms ) { if ( is_taxonomy_viewable( $taxonomy ) && ! empty( $terms ) ) { $tax_query[] = array( 'taxonomy' => $taxonomy, 'terms' => array_filter( array_map( 'intval', $terms ) ), 'include_children' => false, ); } } $query['tax_query'] = array_merge( $query['tax_query'], $tax_query ); } if ( ! empty( $block->context['query']['format'] ) && is_array( $block->context['query']['format'] ) ) { $formats = $block->context['query']['format']; /* * Validate that the format is either `standard` or a supported post format. * - First, add `standard` to the array of valid formats. * - Then, remove any invalid formats. */ $valid_formats = array_merge( array( 'standard' ), get_post_format_slugs() ); $formats = array_intersect( $formats, $valid_formats ); /* * The relation needs to be set to `OR` since the request can contain * two separate conditions. The user may be querying for items that have * either the `standard` format or a specific format. */ $formats_query = array( 'relation' => 'OR' ); /* * The default post format, `standard`, is not stored in the database. * If `standard` is part of the request, the query needs to exclude all post items that * have a format assigned. */ if ( in_array( 'standard', $formats, true ) ) { $formats_query[] = array( 'taxonomy' => 'post_format', 'field' => 'slug', 'operator' => 'NOT EXISTS', ); // Remove the `standard` format, since it cannot be queried. unset( $formats[ array_search( 'standard', $formats, true ) ] ); } // Add any remaining formats to the formats query. if ( ! empty( $formats ) ) { // Add the `post-format-` prefix. $terms = array_map( static function ( $format ) { return "post-format-$format"; }, $formats ); $formats_query[] = array( 'taxonomy' => 'post_format', 'field' => 'slug', 'terms' => $terms, 'operator' => 'IN', ); } /* * Add `$formats_query` to `$query`, as long as it contains more than one key: * If `$formats_query` only contains the initial `relation` key, there are no valid formats to query, * and the query should not be modified. */ if ( count( $formats_query ) > 1 ) { // Enable filtering by both post formats and other taxonomies by combining them with `AND`. if ( empty( $query['tax_query'] ) ) { $query['tax_query'] = $formats_query; } else { $query['tax_query'] = array( 'relation' => 'AND', $query['tax_query'], $formats_query, ); } } } 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_unique( 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; } } } } 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 for 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 for 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 the filters for footnotes meta field when imported data should be filtered. * * This filter is the last one being executed on {@see '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 ) { // If `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; }
Fatal error: Uncaught Error: Call to undefined function filter_block_content() in /home/ocb/public_html/wp-includes/formatting.php:5209 Stack trace: #0 /home/ocb/public_html/wp-includes/class-wp-hook.php(324): wp_pre_kses_block_attributes('', Array, Array) #1 /home/ocb/public_html/wp-includes/plugin.php(205): WP_Hook->apply_filters('', Array) #2 /home/ocb/public_html/wp-includes/kses.php(948): apply_filters('pre_kses', '', Array, Array) #3 /home/ocb/public_html/wp-includes/kses.php(754): wp_kses_hook('', Array, Array) #4 /home/ocb/public_html/wp-admin/includes/plugin.php(188): wp_kses('', Array) #5 /home/ocb/public_html/wp-admin/includes/plugin.php(114): _get_plugin_data_markup_translate('apus-framework/...', Array, true, true) #6 /home/ocb/public_html/wp-content/plugins/apus-framework/libs/redux/redux-core/appsero/Client.php(163): get_plugin_data('/home/ocb/publi...') #7 /home/ocb/public_html/wp-content/plugins/apus-framework/libs/redux/redux-core/appsero/Client.php(92): ReduxAppsero\Client->set_basename_and_slug() #8 /h in /home/ocb/public_html/wp-includes/formatting.php on line 5209