1154 lines
36 KiB
PHP
1154 lines
36 KiB
PHP
<?php
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/**
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* Functions related to registering and parsing blocks.
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*
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* @package WordPress
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* @subpackage Blocks
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* @since 5.0.0
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*/
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/**
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* Removes the block asset's path prefix if provided.
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*
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* @since 5.5.0
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*
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* @param string $asset_handle_or_path Asset handle or prefixed path.
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* @return string Path without the prefix or the original value.
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*/
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function remove_block_asset_path_prefix( $asset_handle_or_path ) {
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$path_prefix = 'file:';
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if ( 0 !== strpos( $asset_handle_or_path, $path_prefix ) ) {
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return $asset_handle_or_path;
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}
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return substr(
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$asset_handle_or_path,
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strlen( $path_prefix )
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);
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}
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/**
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* Generates the name for an asset based on the name of the block
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* and the field name provided.
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*
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* @since 5.5.0
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*
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* @param string $block_name Name of the block.
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* @param string $field_name Name of the metadata field.
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* @return string Generated asset name for the block's field.
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*/
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function generate_block_asset_handle( $block_name, $field_name ) {
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if ( 0 === strpos( $block_name, 'core/' ) ) {
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$asset_handle = str_replace( 'core/', 'wp-block-', $block_name );
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if ( 0 === strpos( $field_name, 'editor' ) ) {
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$asset_handle .= '-editor';
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}
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if ( 0 === strpos( $field_name, 'view' ) ) {
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$asset_handle .= '-view';
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}
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return $asset_handle;
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}
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$field_mappings = array(
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'editorScript' => 'editor-script',
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'script' => 'script',
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'viewScript' => 'view-script',
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'editorStyle' => 'editor-style',
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'style' => 'style',
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);
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return str_replace( '/', '-', $block_name ) .
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'-' . $field_mappings[ $field_name ];
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}
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/**
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* Finds a script handle for the selected block metadata field. It detects
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* when a path to file was provided and finds a corresponding asset file
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* with details necessary to register the script under automatically
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* generated handle name. It returns unprocessed script handle otherwise.
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*
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* @since 5.5.0
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*
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* @param array $metadata Block metadata.
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* @param string $field_name Field name to pick from metadata.
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* @return string|false Script handle provided directly or created through
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* script's registration, or false on failure.
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*/
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function register_block_script_handle( $metadata, $field_name ) {
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if ( empty( $metadata[ $field_name ] ) ) {
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return false;
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}
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$script_handle = $metadata[ $field_name ];
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$script_path = remove_block_asset_path_prefix( $metadata[ $field_name ] );
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if ( $script_handle === $script_path ) {
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return $script_handle;
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}
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$script_handle = generate_block_asset_handle( $metadata['name'], $field_name );
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$script_asset_path = realpath(
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dirname( $metadata['file'] ) . '/' .
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substr_replace( $script_path, '.asset.php', - strlen( '.js' ) )
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);
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if ( ! file_exists( $script_asset_path ) ) {
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_doing_it_wrong(
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__FUNCTION__,
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sprintf(
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/* translators: 1: Field name, 2: Block name. */
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__( 'The asset file for the "%1$s" defined in "%2$s" block definition is missing.' ),
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$field_name,
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$metadata['name']
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),
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'5.5.0'
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);
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return false;
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}
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$is_core_block = isset( $metadata['file'] ) && 0 === strpos( $metadata['file'], ABSPATH . WPINC );
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$script_uri = $is_core_block ?
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includes_url( str_replace( ABSPATH . WPINC, '', realpath( dirname( $metadata['file'] ) . '/' . $script_path ) ) ) :
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plugins_url( $script_path, $metadata['file'] );
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$script_asset = require $script_asset_path;
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$script_dependencies = isset( $script_asset['dependencies'] ) ? $script_asset['dependencies'] : array();
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$result = wp_register_script(
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$script_handle,
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$script_uri,
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$script_dependencies,
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isset( $script_asset['version'] ) ? $script_asset['version'] : false
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);
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if ( ! $result ) {
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return false;
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}
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if ( ! empty( $metadata['textdomain'] ) && in_array( 'wp-i18n', $script_dependencies ) ) {
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wp_set_script_translations( $script_handle, $metadata['textdomain'] );
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}
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return $script_handle;
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}
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/**
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* Finds a style handle for the block metadata field. It detects when a path
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* to file was provided and registers the style under automatically
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* generated handle name. It returns unprocessed style handle otherwise.
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*
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* @since 5.5.0
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*
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* @param array $metadata Block metadata.
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* @param string $field_name Field name to pick from metadata.
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* @return string|false Style handle provided directly or created through
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* style's registration, or false on failure.
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*/
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function register_block_style_handle( $metadata, $field_name ) {
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if ( empty( $metadata[ $field_name ] ) ) {
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return false;
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}
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$is_core_block = isset( $metadata['file'] ) && 0 === strpos( $metadata['file'], ABSPATH . WPINC );
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if ( $is_core_block && ! wp_should_load_separate_core_block_assets() ) {
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return false;
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}
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// Check whether styles should have a ".min" suffix or not.
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$suffix = SCRIPT_DEBUG ? '' : '.min';
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$style_handle = $metadata[ $field_name ];
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$style_path = remove_block_asset_path_prefix( $metadata[ $field_name ] );
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if ( $style_handle === $style_path && ! $is_core_block ) {
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return $style_handle;
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}
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$style_uri = plugins_url( $style_path, $metadata['file'] );
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if ( $is_core_block ) {
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$style_path = "style$suffix.css";
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$style_uri = includes_url( 'blocks/' . str_replace( 'core/', '', $metadata['name'] ) . "/style$suffix.css" );
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}
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$style_handle = generate_block_asset_handle( $metadata['name'], $field_name );
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$block_dir = dirname( $metadata['file'] );
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$style_file = realpath( "$block_dir/$style_path" );
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$has_style_file = false !== $style_file;
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$version = ! $is_core_block && isset( $metadata['version'] ) ? $metadata['version'] : false;
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$style_uri = $has_style_file ? $style_uri : false;
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$result = wp_register_style(
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$style_handle,
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$style_uri,
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array(),
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$version
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);
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if ( file_exists( str_replace( '.css', '-rtl.css', $style_file ) ) ) {
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wp_style_add_data( $style_handle, 'rtl', 'replace' );
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}
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if ( $has_style_file ) {
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wp_style_add_data( $style_handle, 'path', $style_file );
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}
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$rtl_file = str_replace( "$suffix.css", "-rtl$suffix.css", $style_file );
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if ( is_rtl() && file_exists( $rtl_file ) ) {
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wp_style_add_data( $style_handle, 'path', $rtl_file );
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}
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return $result ? $style_handle : false;
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}
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/**
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* Registers a block type from the metadata stored in the `block.json` file.
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*
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* @since 5.5.0
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* @since 5.9.0 Added support for the `viewScript` field.
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*
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* @param string $file_or_folder Path to the JSON file with metadata definition for
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* the block or path to the folder where the `block.json` file is located.
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* @param array $args Optional. Array of block type arguments. Accepts any public property
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* of `WP_Block_Type`. See WP_Block_Type::__construct() for information
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* on accepted arguments. Default empty array.
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* @return WP_Block_Type|false The registered block type on success, or false on failure.
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*/
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function register_block_type_from_metadata( $file_or_folder, $args = array() ) {
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$filename = 'block.json';
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$metadata_file = ( substr( $file_or_folder, -strlen( $filename ) ) !== $filename ) ?
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trailingslashit( $file_or_folder ) . $filename :
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$file_or_folder;
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if ( ! file_exists( $metadata_file ) ) {
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return false;
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}
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$metadata = json_decode( file_get_contents( $metadata_file ), true );
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if ( ! is_array( $metadata ) || empty( $metadata['name'] ) ) {
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return false;
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}
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$metadata['file'] = $metadata_file;
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/**
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* Filters the metadata provided for registering a block type.
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*
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* @since 5.7.0
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*
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* @param array $metadata Metadata for registering a block type.
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*/
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$metadata = apply_filters( 'block_type_metadata', $metadata );
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// Add `style` and `editor_style` for core blocks if missing.
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if ( ! empty( $metadata['name'] ) && 0 === strpos( $metadata['name'], 'core/' ) ) {
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$block_name = str_replace( 'core/', '', $metadata['name'] );
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if ( ! isset( $metadata['style'] ) ) {
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$metadata['style'] = "wp-block-$block_name";
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}
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if ( ! isset( $metadata['editorStyle'] ) ) {
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$metadata['editorStyle'] = "wp-block-{$block_name}-editor";
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}
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}
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$settings = array();
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$property_mappings = array(
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'title' => 'title',
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'category' => 'category',
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'parent' => 'parent',
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'icon' => 'icon',
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'description' => 'description',
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'keywords' => 'keywords',
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'attributes' => 'attributes',
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'providesContext' => 'provides_context',
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'usesContext' => 'uses_context',
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'supports' => 'supports',
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'styles' => 'styles',
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'example' => 'example',
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'apiVersion' => 'api_version',
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);
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foreach ( $property_mappings as $key => $mapped_key ) {
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if ( isset( $metadata[ $key ] ) ) {
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$value = $metadata[ $key ];
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if ( empty( $metadata['textdomain'] ) ) {
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$settings[ $mapped_key ] = $value;
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continue;
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}
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$textdomain = $metadata['textdomain'];
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switch ( $key ) {
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case 'title':
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case 'description':
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// phpcs:ignore WordPress.WP.I18n.LowLevelTranslationFunction,WordPress.WP.I18n.NonSingularStringLiteralText,WordPress.WP.I18n.NonSingularStringLiteralContext,WordPress.WP.I18n.NonSingularStringLiteralDomain
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$settings[ $mapped_key ] = translate_with_gettext_context( $value, sprintf( 'block %s', $key ), $textdomain );
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break;
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case 'keywords':
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$settings[ $mapped_key ] = array();
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if ( ! is_array( $value ) ) {
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continue 2;
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}
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foreach ( $value as $keyword ) {
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// phpcs:ignore WordPress.WP.I18n.LowLevelTranslationFunction,WordPress.WP.I18n.NonSingularStringLiteralText,WordPress.WP.I18n.NonSingularStringLiteralDomain
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$settings[ $mapped_key ][] = translate_with_gettext_context( $keyword, 'block keyword', $textdomain );
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}
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break;
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case 'styles':
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$settings[ $mapped_key ] = array();
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if ( ! is_array( $value ) ) {
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continue 2;
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}
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foreach ( $value as $style ) {
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if ( ! empty( $style['label'] ) ) {
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// phpcs:ignore WordPress.WP.I18n.LowLevelTranslationFunction,WordPress.WP.I18n.NonSingularStringLiteralText,WordPress.WP.I18n.NonSingularStringLiteralDomain
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$style['label'] = translate_with_gettext_context( $style['label'], 'block style label', $textdomain );
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}
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$settings[ $mapped_key ][] = $style;
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}
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break;
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default:
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$settings[ $mapped_key ] = $value;
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}
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}
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}
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if ( ! empty( $metadata['editorScript'] ) ) {
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$settings['editor_script'] = register_block_script_handle(
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$metadata,
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'editorScript'
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);
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}
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if ( ! empty( $metadata['script'] ) ) {
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$settings['script'] = register_block_script_handle(
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$metadata,
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'script'
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);
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}
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if ( ! empty( $metadata['viewScript'] ) ) {
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$settings['view_script'] = register_block_script_handle(
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$metadata,
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'viewScript'
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);
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}
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if ( ! empty( $metadata['editorStyle'] ) ) {
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$settings['editor_style'] = register_block_style_handle(
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$metadata,
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'editorStyle'
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);
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}
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if ( ! empty( $metadata['style'] ) ) {
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$settings['style'] = register_block_style_handle(
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$metadata,
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'style'
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);
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}
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/**
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* Filters the settings determined from the block type metadata.
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*
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* @since 5.7.0
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*
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* @param array $settings Array of determined settings for registering a block type.
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* @param array $metadata Metadata provided for registering a block type.
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*/
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$settings = apply_filters(
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'block_type_metadata_settings',
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array_merge(
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$settings,
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$args
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),
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$metadata
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);
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return WP_Block_Type_Registry::get_instance()->register(
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$metadata['name'],
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$settings
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);
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}
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/**
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* Registers a block type. The recommended way is to register a block type using
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* the metadata stored in the `block.json` file.
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*
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* @since 5.0.0
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* @since 5.8.0 First parameter now accepts a path to the `block.json` file.
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*
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* @param string|WP_Block_Type $block_type Block type name including namespace, or alternatively
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* a path to the JSON file with metadata definition for the block,
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* or a path to the folder where the `block.json` file is located,
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* or a complete WP_Block_Type instance.
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* In case a WP_Block_Type is provided, the $args parameter will be ignored.
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* @param array $args Optional. Array of block type arguments. Accepts any public property
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* of `WP_Block_Type`. See WP_Block_Type::__construct() for information
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* on accepted arguments. Default empty array.
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*
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* @return WP_Block_Type|false The registered block type on success, or false on failure.
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*/
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function register_block_type( $block_type, $args = array() ) {
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if ( is_string( $block_type ) && file_exists( $block_type ) ) {
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return register_block_type_from_metadata( $block_type, $args );
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}
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return WP_Block_Type_Registry::get_instance()->register( $block_type, $args );
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}
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/**
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* Unregisters a block type.
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*
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* @since 5.0.0
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*
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* @param string|WP_Block_Type $name Block type name including namespace, or alternatively
|
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* a complete WP_Block_Type instance.
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* @return WP_Block_Type|false The unregistered block type on success, or false on failure.
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*/
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function unregister_block_type( $name ) {
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return WP_Block_Type_Registry::get_instance()->unregister( $name );
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}
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|
|
/**
|
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* Determine whether a post or content string has blocks.
|
|
*
|
|
* This test optimizes for performance rather than strict accuracy, detecting
|
|
* the pattern of a block but not validating its structure. For strict accuracy,
|
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* you should use the block parser on post content.
|
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*
|
|
* @since 5.0.0
|
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*
|
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* @see parse_blocks()
|
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*
|
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* @param int|string|WP_Post|null $post Optional. Post content, post ID, or post object.
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* Defaults to global $post.
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* @return bool Whether the post has blocks.
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*/
|
|
function has_blocks( $post = null ) {
|
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if ( ! is_string( $post ) ) {
|
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$wp_post = get_post( $post );
|
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if ( $wp_post instanceof WP_Post ) {
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$post = $wp_post->post_content;
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}
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}
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|
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return false !== strpos( (string) $post, '<!-- wp:' );
|
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}
|
|
|
|
/**
|
|
* Determine whether a $post or a string contains a specific block type.
|
|
*
|
|
* This test optimizes for performance rather than strict accuracy, detecting
|
|
* whether the block type exists but not validating its structure and not checking
|
|
* reusable blocks. For strict accuracy, you should use the block parser on post content.
|
|
*
|
|
* @since 5.0.0
|
|
*
|
|
* @see parse_blocks()
|
|
*
|
|
* @param string $block_name Full block type to look for.
|
|
* @param int|string|WP_Post|null $post Optional. Post content, post ID, or post object.
|
|
* Defaults to global $post.
|
|
* @return bool Whether the post content contains the specified block.
|
|
*/
|
|
function has_block( $block_name, $post = null ) {
|
|
if ( ! has_blocks( $post ) ) {
|
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return false;
|
|
}
|
|
|
|
if ( ! is_string( $post ) ) {
|
|
$wp_post = get_post( $post );
|
|
if ( $wp_post instanceof WP_Post ) {
|
|
$post = $wp_post->post_content;
|
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}
|
|
}
|
|
|
|
/*
|
|
* Normalize block name to include namespace, if provided as non-namespaced.
|
|
* This matches behavior for WordPress 5.0.0 - 5.3.0 in matching blocks by
|
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* their serialized names.
|
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*/
|
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if ( false === strpos( $block_name, '/' ) ) {
|
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$block_name = 'core/' . $block_name;
|
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}
|
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|
|
// Test for existence of block by its fully qualified name.
|
|
$has_block = false !== strpos( $post, '<!-- wp:' . $block_name . ' ' );
|
|
|
|
if ( ! $has_block ) {
|
|
/*
|
|
* If the given block name would serialize to a different name, test for
|
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* existence by the serialized form.
|
|
*/
|
|
$serialized_block_name = strip_core_block_namespace( $block_name );
|
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if ( $serialized_block_name !== $block_name ) {
|
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$has_block = false !== strpos( $post, '<!-- wp:' . $serialized_block_name . ' ' );
|
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}
|
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}
|
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|
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return $has_block;
|
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}
|
|
|
|
/**
|
|
* Returns an array of the names of all registered dynamic block types.
|
|
*
|
|
* @since 5.0.0
|
|
*
|
|
* @return string[] Array of dynamic block names.
|
|
*/
|
|
function get_dynamic_block_names() {
|
|
$dynamic_block_names = array();
|
|
|
|
$block_types = WP_Block_Type_Registry::get_instance()->get_all_registered();
|
|
foreach ( $block_types as $block_type ) {
|
|
if ( $block_type->is_dynamic() ) {
|
|
$dynamic_block_names[] = $block_type->name;
|
|
}
|
|
}
|
|
|
|
return $dynamic_block_names;
|
|
}
|
|
|
|
/**
|
|
* 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.
|
|
*
|
|
* @since 5.3.1
|
|
*
|
|
* @param array $block_attributes Attributes object.
|
|
* @return string Serialized attributes.
|
|
*/
|
|
function serialize_block_attributes( $block_attributes ) {
|
|
$encoded_attributes = json_encode( $block_attributes );
|
|
$encoded_attributes = preg_replace( '/--/', '\\u002d\\u002d', $encoded_attributes );
|
|
$encoded_attributes = preg_replace( '/</', '\\u003c', $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 $block_name Original block name.
|
|
* @return string Block name to use for serialization.
|
|
*/
|
|
function strip_core_block_namespace( $block_name = null ) {
|
|
if ( is_string( $block_name ) && 0 === strpos( $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( '<!-- wp:%s %s/-->', $serialized_block_name, $serialized_attributes );
|
|
}
|
|
|
|
return sprintf(
|
|
'<!-- wp:%s %s-->%s<!-- /wp:%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 WP_Block_Parser_Block $block A single parsed block object.
|
|
* @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 WP_Block_Parser_Block[] $blocks Parsed block objects.
|
|
* @return string String of rendered HTML.
|
|
*/
|
|
function serialize_blocks( $blocks ) {
|
|
return implode( '', array_map( 'serialize_block', $blocks ) );
|
|
}
|
|
|
|
/**
|
|
* Filters and sanitizes block content to remove non-allowable HTML from
|
|
* parsed block attribute values.
|
|
*
|
|
* @since 5.3.1
|
|
*
|
|
* @param string $text Text that may contain block content.
|
|
* @param array[]|string $allowed_html An array of allowed HTML elements
|
|
* and attributes, or a context name
|
|
* such as 'post'.
|
|
* @param string[] $allowed_protocols Array of allowed URL protocols.
|
|
* @return string The filtered and sanitized content result.
|
|
*/
|
|
function filter_block_content( $text, $allowed_html = 'post', $allowed_protocols = array() ) {
|
|
$result = '';
|
|
|
|
$blocks = parse_blocks( $text );
|
|
foreach ( $blocks as $block ) {
|
|
$block = filter_block_kses( $block, $allowed_html, $allowed_protocols );
|
|
$result .= serialize_block( $block );
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* 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'.
|
|
* @param string[] $allowed_protocols Allowed URL 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'.
|
|
* @param string[] $allowed_protocols Array of allowed URL 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 ) {
|
|
$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;
|
|
}
|
|
|
|
/**
|
|
* Render 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;
|
|
|
|
/**
|
|
* Allows render_block() to be short-circuited, by returning a non-null value.
|
|
*
|
|
* @since 5.1.0
|
|
*
|
|
* @param string|null $pre_render The pre-rendered content. Default null.
|
|
* @param array $parsed_block The block being rendered.
|
|
*/
|
|
$pre_render = apply_filters( 'pre_render_block', null, $parsed_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
|
|
*
|
|
* @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.
|
|
*/
|
|
$parsed_block = apply_filters( 'render_block_data', $parsed_block, $source_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
|
|
*
|
|
* @param array $context Default context.
|
|
* @param array $parsed_block Block being rendered, filtered by `render_block_data`.
|
|
*/
|
|
$context = apply_filters( 'render_block_context', $context, $parsed_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.
|
|
*
|
|
* @access private
|
|
*
|
|
* @since 5.0.0
|
|
*
|
|
* @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
|
|
*
|
|
* @param string $block_name Block type name including namespace.
|
|
* @param array $style_properties Array containing the properties of the style name,
|
|
* label, style (name of the stylesheet to be enqueued),
|
|
* inline_style (string containing the CSS to be added).
|
|
* @return bool True if the block style was registered with success and false otherwise.
|
|
*/
|
|
function register_block_style( $block_name, $style_properties ) {
|
|
return WP_Block_Styles_Registry::get_instance()->register( $block_name, $style_properties );
|
|
}
|
|
|
|
/**
|
|
* Unregisters a block style.
|
|
*
|
|
* @since 5.3.0
|
|
*
|
|
* @param string $block_name Block type name including namespace.
|
|
* @param string $block_style_name Block style name.
|
|
* @return bool True if the block style was unregistered with success and false otherwise.
|
|
*/
|
|
function unregister_block_style( $block_name, $block_style_name ) {
|
|
return WP_Block_Styles_Registry::get_instance()->unregister( $block_name, $block_style_name );
|
|
}
|
|
|
|
/**
|
|
* Checks whether the current block type supports the feature requested.
|
|
*
|
|
* @since 5.8.0
|
|
*
|
|
* @param WP_Block_Type $block_type Block type to check for support.
|
|
* @param string $feature Name of the feature to check support for.
|
|
* @param mixed $default Optional. Fallback value for feature support. Default false.
|
|
* @return bool Whether the feature is supported.
|
|
*/
|
|
function block_has_support( $block_type, $feature, $default = false ) {
|
|
$block_support = $default;
|
|
if ( $block_type && property_exists( $block_type, 'supports' ) ) {
|
|
$block_support = _wp_array_get( $block_type->supports, $feature, $default );
|
|
}
|
|
|
|
return true === $block_support || is_array( $block_support );
|
|
}
|
|
|
|
/**
|
|
* Converts typography keys declared under `supports.*` to `supports.typography.*`.
|
|
*
|
|
* Displays a `_doing_it_wrong()` notice when a block using the older format is detected.
|
|
*
|
|
* @since 5.8.0
|
|
*
|
|
* @param array $metadata Metadata for registering a block type.
|
|
* @return array Filtered metadata for registering a block type.
|
|
*/
|
|
function wp_migrate_old_typography_shape( $metadata ) {
|
|
if ( ! isset( $metadata['supports'] ) ) {
|
|
return $metadata;
|
|
}
|
|
|
|
$typography_keys = array(
|
|
'__experimentalFontFamily',
|
|
'__experimentalFontStyle',
|
|
'__experimentalFontWeight',
|
|
'__experimentalLetterSpacing',
|
|
'__experimentalTextDecoration',
|
|
'__experimentalTextTransform',
|
|
'fontSize',
|
|
'lineHeight',
|
|
);
|
|
|
|
foreach ( $typography_keys as $typography_key ) {
|
|
$support_for_key = _wp_array_get( $metadata['supports'], array( $typography_key ), null );
|
|
|
|
if ( null !== $support_for_key ) {
|
|
_doing_it_wrong(
|
|
'register_block_type_from_metadata()',
|
|
sprintf(
|
|
/* translators: 1: Block type, 2: Typography supports key, e.g: fontSize, lineHeight, etc. 3: block.json, 4: Old metadata key, 5: New metadata key. */
|
|
__( 'Block "%1$s" is declaring %2$s support in %3$s file under %4$s. %2$s support is now declared under %5$s.' ),
|
|
$metadata['name'],
|
|
"<code>$typography_key</code>",
|
|
'<code>block.json</code>',
|
|
"<code>supports.$typography_key</code>",
|
|
"<code>supports.typography.$typography_key</code>"
|
|
),
|
|
'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
|
|
*
|
|
* @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'] ) {
|
|
$query['post__in'] = $sticky;
|
|
} 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;
|
|
}
|
|
if ( ! empty( $block->context['query']['categoryIds'] ) ) {
|
|
$term_ids = array_map( 'intval', $block->context['query']['categoryIds'] );
|
|
$term_ids = array_filter( $term_ids );
|
|
$query['category__in'] = $term_ids;
|
|
}
|
|
if ( ! empty( $block->context['query']['tagIds'] ) ) {
|
|
$term_ids = array_map( 'intval', $block->context['query']['tagIds'] );
|
|
$term_ids = array_filter( $term_ids );
|
|
$query['tag__in'] = $term_ids;
|
|
}
|
|
if (
|
|
isset( $block->context['query']['order'] ) &&
|
|
in_array( strtoupper( $block->context['query']['order'] ), array( 'ASC', 'DESC' ), true )
|
|
) {
|
|
$query['order'] = strtoupper( $block->context['query']['order'] );
|
|
}
|
|
if ( isset( $block->context['query']['orderBy'] ) ) {
|
|
$query['orderby'] = $block->context['query']['orderBy'];
|
|
}
|
|
if (
|
|
isset( $block->context['query']['author'] ) &&
|
|
(int) $block->context['query']['author'] > 0
|
|
) {
|
|
$query['author'] = (int) $block->context['query']['author'];
|
|
}
|
|
if ( ! empty( $block->context['query']['search'] ) ) {
|
|
$query['s'] = $block->context['query']['search'];
|
|
}
|
|
}
|
|
return $query;
|
|
}
|