2359 lines
85 KiB
PHP
2359 lines
85 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 ( ! str_starts_with( $asset_handle_or_path, $path_prefix ) ) {
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return $asset_handle_or_path;
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}
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$path = substr(
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$asset_handle_or_path,
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strlen( $path_prefix )
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);
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if ( str_starts_with( $path, './' ) ) {
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$path = substr( $path, 2 );
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}
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return $path;
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}
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/**
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* Generates the name for an asset based on the name of the block
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* and the field name provided.
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*
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* @since 5.5.0
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* @since 6.1.0 Added `$index` parameter.
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* @since 6.5.0 Added support for `viewScriptModule` field.
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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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* @param int $index Optional. Index of the asset when multiple items passed.
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* Default 0.
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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, $index = 0 ) {
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if ( str_starts_with( $block_name, 'core/' ) ) {
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$asset_handle = str_replace( 'core/', 'wp-block-', $block_name );
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if ( str_starts_with( $field_name, 'editor' ) ) {
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$asset_handle .= '-editor';
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}
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if ( str_starts_with( $field_name, 'view' ) ) {
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$asset_handle .= '-view';
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}
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if ( str_ends_with( strtolower( $field_name ), 'scriptmodule' ) ) {
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$asset_handle .= '-script-module';
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}
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if ( $index > 0 ) {
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$asset_handle .= '-' . ( $index + 1 );
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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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'editorStyle' => 'editor-style',
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'script' => 'script',
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'style' => 'style',
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'viewScript' => 'view-script',
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'viewScriptModule' => 'view-script-module',
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'viewStyle' => 'view-style',
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);
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$asset_handle = str_replace( '/', '-', $block_name ) .
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'-' . $field_mappings[ $field_name ];
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if ( $index > 0 ) {
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$asset_handle .= '-' . ( $index + 1 );
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}
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return $asset_handle;
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}
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/**
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* Gets the URL to a block asset.
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*
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* @since 6.4.0
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*
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* @param string $path A normalized path to a block asset.
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* @return string|false The URL to the block asset or false on failure.
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*/
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function get_block_asset_url( $path ) {
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if ( empty( $path ) ) {
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return false;
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}
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// Path needs to be normalized to work in Windows env.
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static $wpinc_path_norm = '';
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if ( ! $wpinc_path_norm ) {
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$wpinc_path_norm = wp_normalize_path( realpath( ABSPATH . WPINC ) );
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}
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if ( str_starts_with( $path, $wpinc_path_norm ) ) {
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return includes_url( str_replace( $wpinc_path_norm, '', $path ) );
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}
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static $template_paths_norm = array();
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$template = get_template();
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if ( ! isset( $template_paths_norm[ $template ] ) ) {
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$template_paths_norm[ $template ] = wp_normalize_path( realpath( get_template_directory() ) );
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}
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if ( str_starts_with( $path, trailingslashit( $template_paths_norm[ $template ] ) ) ) {
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return get_theme_file_uri( str_replace( $template_paths_norm[ $template ], '', $path ) );
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}
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if ( is_child_theme() ) {
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$stylesheet = get_stylesheet();
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if ( ! isset( $template_paths_norm[ $stylesheet ] ) ) {
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$template_paths_norm[ $stylesheet ] = wp_normalize_path( realpath( get_stylesheet_directory() ) );
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}
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if ( str_starts_with( $path, trailingslashit( $template_paths_norm[ $stylesheet ] ) ) ) {
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return get_theme_file_uri( str_replace( $template_paths_norm[ $stylesheet ], '', $path ) );
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}
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}
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return plugins_url( basename( $path ), $path );
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}
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/**
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* Finds a script module ID for the selected block metadata field. It detects
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* when a path to file was provided and optionally finds a corresponding asset
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* file with details necessary to register the script module under with an
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* automatically generated module ID. It returns unprocessed script module
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* ID otherwise.
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*
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* @since 6.5.0
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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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* @param int $index Optional. Index of the script module ID to register when multiple
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* items passed. Default 0.
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* @return string|false Script module ID or false on failure.
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*/
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function register_block_script_module_id( $metadata, $field_name, $index = 0 ) {
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if ( empty( $metadata[ $field_name ] ) ) {
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return false;
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}
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$module_id = $metadata[ $field_name ];
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if ( is_array( $module_id ) ) {
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if ( empty( $module_id[ $index ] ) ) {
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return false;
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}
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$module_id = $module_id[ $index ];
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}
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$module_path = remove_block_asset_path_prefix( $module_id );
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if ( $module_id === $module_path ) {
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return $module_id;
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}
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$path = dirname( $metadata['file'] );
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$module_asset_raw_path = $path . '/' . substr_replace( $module_path, '.asset.php', - strlen( '.js' ) );
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$module_id = generate_block_asset_handle( $metadata['name'], $field_name, $index );
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$module_asset_path = wp_normalize_path(
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realpath( $module_asset_raw_path )
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);
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$module_path_norm = wp_normalize_path( realpath( $path . '/' . $module_path ) );
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$module_uri = get_block_asset_url( $module_path_norm );
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$module_asset = ! empty( $module_asset_path ) ? require $module_asset_path : array();
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$module_dependencies = isset( $module_asset['dependencies'] ) ? $module_asset['dependencies'] : array();
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$block_version = isset( $metadata['version'] ) ? $metadata['version'] : false;
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$module_version = isset( $module_asset['version'] ) ? $module_asset['version'] : $block_version;
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wp_register_script_module(
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$module_id,
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$module_uri,
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$module_dependencies,
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$module_version
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);
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return $module_id;
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}
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/**
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* Finds a script handle for the selected block metadata field. It detects
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* when a path to file was provided and optionally finds a corresponding asset
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* file with details necessary to register the script under automatically
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* generated handle name. It returns unprocessed script handle otherwise.
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*
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* @since 5.5.0
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* @since 6.1.0 Added `$index` parameter.
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* @since 6.5.0 The asset file is optional. Added script handle support in the asset file.
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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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* @param int $index Optional. Index of the script to register when multiple items passed.
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* Default 0.
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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, $index = 0 ) {
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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_or_path = $metadata[ $field_name ];
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if ( is_array( $script_handle_or_path ) ) {
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if ( empty( $script_handle_or_path[ $index ] ) ) {
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return false;
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}
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$script_handle_or_path = $script_handle_or_path[ $index ];
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}
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$script_path = remove_block_asset_path_prefix( $script_handle_or_path );
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if ( $script_handle_or_path === $script_path ) {
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return $script_handle_or_path;
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}
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$path = dirname( $metadata['file'] );
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$script_asset_raw_path = $path . '/' . substr_replace( $script_path, '.asset.php', - strlen( '.js' ) );
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$script_asset_path = wp_normalize_path(
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realpath( $script_asset_raw_path )
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);
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// Asset file for blocks is optional. See https://core.trac.wordpress.org/ticket/60460.
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$script_asset = ! empty( $script_asset_path ) ? require $script_asset_path : array();
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$script_handle = isset( $script_asset['handle'] ) ?
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$script_asset['handle'] :
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generate_block_asset_handle( $metadata['name'], $field_name, $index );
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if ( wp_script_is( $script_handle, 'registered' ) ) {
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return $script_handle;
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}
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$script_path_norm = wp_normalize_path( realpath( $path . '/' . $script_path ) );
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$script_uri = get_block_asset_url( $script_path_norm );
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$script_dependencies = isset( $script_asset['dependencies'] ) ? $script_asset['dependencies'] : array();
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$block_version = isset( $metadata['version'] ) ? $metadata['version'] : false;
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$script_version = isset( $script_asset['version'] ) ? $script_asset['version'] : $block_version;
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$script_args = array();
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if ( 'viewScript' === $field_name && $script_uri ) {
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$script_args['strategy'] = 'defer';
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}
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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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$script_version,
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$script_args
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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, true ) ) {
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wp_set_script_translations( $script_handle, $metadata['textdomain'] );
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}
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return $script_handle;
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}
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/**
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* Finds a style handle for the block metadata field. It detects when a path
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* to file was provided and registers the style under automatically
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* generated handle name. It returns unprocessed style handle otherwise.
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*
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* @since 5.5.0
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* @since 6.1.0 Added `$index` parameter.
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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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* @param int $index Optional. Index of the style to register when multiple items passed.
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* Default 0.
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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, $index = 0 ) {
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if ( empty( $metadata[ $field_name ] ) ) {
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return false;
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}
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$style_handle = $metadata[ $field_name ];
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if ( is_array( $style_handle ) ) {
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if ( empty( $style_handle[ $index ] ) ) {
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return false;
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}
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$style_handle = $style_handle[ $index ];
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}
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$style_handle_name = generate_block_asset_handle( $metadata['name'], $field_name, $index );
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// If the style handle is already registered, skip re-registering.
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if ( wp_style_is( $style_handle_name, 'registered' ) ) {
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return $style_handle_name;
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}
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static $wpinc_path_norm = '';
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if ( ! $wpinc_path_norm ) {
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$wpinc_path_norm = wp_normalize_path( realpath( ABSPATH . WPINC ) );
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}
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$is_core_block = isset( $metadata['file'] ) && str_starts_with( $metadata['file'], $wpinc_path_norm );
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// Skip registering individual styles for each core block when a bundled version provided.
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if ( $is_core_block && ! wp_should_load_separate_core_block_assets() ) {
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return false;
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}
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$style_path = remove_block_asset_path_prefix( $style_handle );
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$is_style_handle = $style_handle === $style_path;
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// Allow only passing style handles for core blocks.
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if ( $is_core_block && ! $is_style_handle ) {
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return false;
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}
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// Return the style handle unless it's the first item for every core block that requires special treatment.
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if ( $is_style_handle && ! ( $is_core_block && 0 === $index ) ) {
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return $style_handle;
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}
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// Check whether styles should have a ".min" suffix or not.
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$suffix = SCRIPT_DEBUG ? '' : '.min';
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if ( $is_core_block ) {
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$style_path = ( 'editorStyle' === $field_name ) ? "editor{$suffix}.css" : "style{$suffix}.css";
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}
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$style_path_norm = wp_normalize_path( realpath( dirname( $metadata['file'] ) . '/' . $style_path ) );
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$style_uri = get_block_asset_url( $style_path_norm );
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$version = ! $is_core_block && isset( $metadata['version'] ) ? $metadata['version'] : false;
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$result = wp_register_style(
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$style_handle_name,
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$style_uri,
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array(),
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$version
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);
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if ( ! $result ) {
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return false;
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}
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if ( $style_uri ) {
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wp_style_add_data( $style_handle_name, 'path', $style_path_norm );
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if ( $is_core_block ) {
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$rtl_file = str_replace( "{$suffix}.css", "-rtl{$suffix}.css", $style_path_norm );
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} else {
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$rtl_file = str_replace( '.css', '-rtl.css', $style_path_norm );
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}
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if ( is_rtl() && file_exists( $rtl_file ) ) {
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wp_style_add_data( $style_handle_name, 'rtl', 'replace' );
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wp_style_add_data( $style_handle_name, 'suffix', $suffix );
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wp_style_add_data( $style_handle_name, 'path', $rtl_file );
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}
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}
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return $style_handle_name;
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}
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/**
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* Gets i18n schema for block's metadata read from `block.json` file.
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*
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* @since 5.9.0
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*
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* @return object The schema for block's metadata.
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*/
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function get_block_metadata_i18n_schema() {
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static $i18n_block_schema;
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if ( ! isset( $i18n_block_schema ) ) {
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$i18n_block_schema = wp_json_file_decode( __DIR__ . '/block-i18n.json' );
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}
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return $i18n_block_schema;
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}
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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 5.7.0 Added support for `textdomain` field and i18n handling for all translatable fields.
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* @since 5.9.0 Added support for `variations` and `viewScript` fields.
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* @since 6.1.0 Added support for `render` field.
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* @since 6.3.0 Added `selectors` field.
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* @since 6.4.0 Added support for `blockHooks` field.
|
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* @since 6.5.0 Added support for `allowedBlocks`, `viewScriptModule`, and `viewStyle` fields.
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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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* If providing the path to a JSON file, the filename must end with `block.json`.
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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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/*
|
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* Get an array of metadata from a PHP file.
|
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* This improves performance for core blocks as it's only necessary to read a single PHP file
|
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* instead of reading a JSON file per-block, and then decoding from JSON to PHP.
|
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* Using a static variable ensures that the metadata is only read once per request.
|
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*/
|
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static $core_blocks_meta;
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if ( ! $core_blocks_meta ) {
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$core_blocks_meta = require ABSPATH . WPINC . '/blocks/blocks-json.php';
|
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}
|
|
|
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$metadata_file = ( ! str_ends_with( $file_or_folder, 'block.json' ) ) ?
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trailingslashit( $file_or_folder ) . 'block.json' :
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$file_or_folder;
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$is_core_block = str_starts_with( $file_or_folder, ABSPATH . WPINC );
|
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// If the block is not a core block, the metadata file must exist.
|
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$metadata_file_exists = $is_core_block || file_exists( $metadata_file );
|
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if ( ! $metadata_file_exists && empty( $args['name'] ) ) {
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return false;
|
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}
|
|
|
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// Try to get metadata from the static cache for core blocks.
|
|
$metadata = array();
|
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if ( $is_core_block ) {
|
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$core_block_name = str_replace( ABSPATH . WPINC . '/blocks/', '', $file_or_folder );
|
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if ( ! empty( $core_blocks_meta[ $core_block_name ] ) ) {
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$metadata = $core_blocks_meta[ $core_block_name ];
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}
|
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}
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|
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// If metadata is not found in the static cache, read it from the file.
|
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if ( $metadata_file_exists && empty( $metadata ) ) {
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$metadata = wp_json_file_decode( $metadata_file, array( 'associative' => true ) );
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}
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|
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if ( ! is_array( $metadata ) || ( empty( $metadata['name'] ) && empty( $args['name'] ) ) ) {
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return false;
|
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}
|
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|
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$metadata['file'] = $metadata_file_exists ? wp_normalize_path( realpath( $metadata_file ) ) : null;
|
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|
|
/**
|
|
* Filters the metadata provided for registering a block type.
|
|
*
|
|
* @since 5.7.0
|
|
*
|
|
* @param array $metadata Metadata for registering a block type.
|
|
*/
|
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$metadata = apply_filters( 'block_type_metadata', $metadata );
|
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|
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// Add `style` and `editor_style` for core blocks if missing.
|
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if ( ! empty( $metadata['name'] ) && str_starts_with( $metadata['name'], 'core/' ) ) {
|
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$block_name = str_replace( 'core/', '', $metadata['name'] );
|
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|
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if ( ! isset( $metadata['style'] ) ) {
|
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$metadata['style'] = "wp-block-$block_name";
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}
|
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if ( current_theme_supports( 'wp-block-styles' ) && wp_should_load_separate_core_block_assets() ) {
|
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$metadata['style'] = (array) $metadata['style'];
|
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$metadata['style'][] = "wp-block-{$block_name}-theme";
|
|
}
|
|
if ( ! isset( $metadata['editorStyle'] ) ) {
|
|
$metadata['editorStyle'] = "wp-block-{$block_name}-editor";
|
|
}
|
|
}
|
|
|
|
$settings = array();
|
|
$property_mappings = array(
|
|
'apiVersion' => 'api_version',
|
|
'name' => 'name',
|
|
'title' => 'title',
|
|
'category' => 'category',
|
|
'parent' => 'parent',
|
|
'ancestor' => 'ancestor',
|
|
'icon' => 'icon',
|
|
'description' => 'description',
|
|
'keywords' => 'keywords',
|
|
'attributes' => 'attributes',
|
|
'providesContext' => 'provides_context',
|
|
'usesContext' => 'uses_context',
|
|
'selectors' => 'selectors',
|
|
'supports' => 'supports',
|
|
'styles' => 'styles',
|
|
'variations' => 'variations',
|
|
'example' => 'example',
|
|
'allowedBlocks' => 'allowed_blocks',
|
|
);
|
|
$textdomain = ! empty( $metadata['textdomain'] ) ? $metadata['textdomain'] : null;
|
|
$i18n_schema = get_block_metadata_i18n_schema();
|
|
|
|
foreach ( $property_mappings as $key => $mapped_key ) {
|
|
if ( isset( $metadata[ $key ] ) ) {
|
|
$settings[ $mapped_key ] = $metadata[ $key ];
|
|
if ( $metadata_file_exists && $textdomain && isset( $i18n_schema->$key ) ) {
|
|
$settings[ $mapped_key ] = translate_settings_using_i18n_schema( $i18n_schema->$key, $settings[ $key ], $textdomain );
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( ! empty( $metadata['render'] ) ) {
|
|
$template_path = wp_normalize_path(
|
|
realpath(
|
|
dirname( $metadata['file'] ) . '/' .
|
|
remove_block_asset_path_prefix( $metadata['render'] )
|
|
)
|
|
);
|
|
if ( $template_path ) {
|
|
/**
|
|
* Renders the block on the server.
|
|
*
|
|
* @since 6.1.0
|
|
*
|
|
* @param array $attributes Block attributes.
|
|
* @param string $content Block default content.
|
|
* @param WP_Block $block Block instance.
|
|
*
|
|
* @return string Returns the block content.
|
|
*/
|
|
$settings['render_callback'] = static function ( $attributes, $content, $block ) use ( $template_path ) {
|
|
ob_start();
|
|
require $template_path;
|
|
return ob_get_clean();
|
|
};
|
|
}
|
|
}
|
|
|
|
$settings = array_merge( $settings, $args );
|
|
|
|
$script_fields = array(
|
|
'editorScript' => 'editor_script_handles',
|
|
'script' => 'script_handles',
|
|
'viewScript' => 'view_script_handles',
|
|
);
|
|
foreach ( $script_fields as $metadata_field_name => $settings_field_name ) {
|
|
if ( ! empty( $settings[ $metadata_field_name ] ) ) {
|
|
$metadata[ $metadata_field_name ] = $settings[ $metadata_field_name ];
|
|
}
|
|
if ( ! empty( $metadata[ $metadata_field_name ] ) ) {
|
|
$scripts = $metadata[ $metadata_field_name ];
|
|
$processed_scripts = array();
|
|
if ( is_array( $scripts ) ) {
|
|
for ( $index = 0; $index < count( $scripts ); $index++ ) {
|
|
$result = register_block_script_handle(
|
|
$metadata,
|
|
$metadata_field_name,
|
|
$index
|
|
);
|
|
if ( $result ) {
|
|
$processed_scripts[] = $result;
|
|
}
|
|
}
|
|
} else {
|
|
$result = register_block_script_handle(
|
|
$metadata,
|
|
$metadata_field_name
|
|
);
|
|
if ( $result ) {
|
|
$processed_scripts[] = $result;
|
|
}
|
|
}
|
|
$settings[ $settings_field_name ] = $processed_scripts;
|
|
}
|
|
}
|
|
|
|
$module_fields = array(
|
|
'viewScriptModule' => 'view_script_module_ids',
|
|
);
|
|
foreach ( $module_fields as $metadata_field_name => $settings_field_name ) {
|
|
if ( ! empty( $settings[ $metadata_field_name ] ) ) {
|
|
$metadata[ $metadata_field_name ] = $settings[ $metadata_field_name ];
|
|
}
|
|
if ( ! empty( $metadata[ $metadata_field_name ] ) ) {
|
|
$modules = $metadata[ $metadata_field_name ];
|
|
$processed_modules = array();
|
|
if ( is_array( $modules ) ) {
|
|
for ( $index = 0; $index < count( $modules ); $index++ ) {
|
|
$result = register_block_script_module_id(
|
|
$metadata,
|
|
$metadata_field_name,
|
|
$index
|
|
);
|
|
if ( $result ) {
|
|
$processed_modules[] = $result;
|
|
}
|
|
}
|
|
} else {
|
|
$result = register_block_script_module_id(
|
|
$metadata,
|
|
$metadata_field_name
|
|
);
|
|
if ( $result ) {
|
|
$processed_modules[] = $result;
|
|
}
|
|
}
|
|
$settings[ $settings_field_name ] = $processed_modules;
|
|
}
|
|
}
|
|
|
|
$style_fields = array(
|
|
'editorStyle' => 'editor_style_handles',
|
|
'style' => 'style_handles',
|
|
'viewStyle' => 'view_style_handles',
|
|
);
|
|
foreach ( $style_fields as $metadata_field_name => $settings_field_name ) {
|
|
if ( ! empty( $settings[ $metadata_field_name ] ) ) {
|
|
$metadata[ $metadata_field_name ] = $settings[ $metadata_field_name ];
|
|
}
|
|
if ( ! empty( $metadata[ $metadata_field_name ] ) ) {
|
|
$styles = $metadata[ $metadata_field_name ];
|
|
$processed_styles = array();
|
|
if ( is_array( $styles ) ) {
|
|
for ( $index = 0; $index < count( $styles ); $index++ ) {
|
|
$result = register_block_style_handle(
|
|
$metadata,
|
|
$metadata_field_name,
|
|
$index
|
|
);
|
|
if ( $result ) {
|
|
$processed_styles[] = $result;
|
|
}
|
|
}
|
|
} else {
|
|
$result = register_block_style_handle(
|
|
$metadata,
|
|
$metadata_field_name
|
|
);
|
|
if ( $result ) {
|
|
$processed_styles[] = $result;
|
|
}
|
|
}
|
|
$settings[ $settings_field_name ] = $processed_styles;
|
|
}
|
|
}
|
|
|
|
if ( ! empty( $metadata['blockHooks'] ) ) {
|
|
/**
|
|
* Map camelCased position string (from block.json) to snake_cased block type position.
|
|
*
|
|
* @var array
|
|
*/
|
|
$position_mappings = array(
|
|
'before' => 'before',
|
|
'after' => 'after',
|
|
'firstChild' => 'first_child',
|
|
'lastChild' => 'last_child',
|
|
);
|
|
|
|
$settings['block_hooks'] = array();
|
|
foreach ( $metadata['blockHooks'] as $anchor_block_name => $position ) {
|
|
// Avoid infinite recursion (hooking to itself).
|
|
if ( $metadata['name'] === $anchor_block_name ) {
|
|
_doing_it_wrong(
|
|
__METHOD__,
|
|
__( 'Cannot hook block to itself.' ),
|
|
'6.4.0'
|
|
);
|
|
continue;
|
|
}
|
|
|
|
if ( ! isset( $position_mappings[ $position ] ) ) {
|
|
continue;
|
|
}
|
|
|
|
$settings['block_hooks'][ $anchor_block_name ] = $position_mappings[ $position ];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Filters the settings determined from the block type metadata.
|
|
*
|
|
* @since 5.7.0
|
|
*
|
|
* @param array $settings Array of determined settings for registering a block type.
|
|
* @param array $metadata Metadata provided for registering a block type.
|
|
*/
|
|
$settings = apply_filters( 'block_type_metadata_settings', $settings, $metadata );
|
|
|
|
$metadata['name'] = ! empty( $settings['name'] ) ? $settings['name'] : $metadata['name'];
|
|
|
|
return WP_Block_Type_Registry::get_instance()->register(
|
|
$metadata['name'],
|
|
$settings
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Registers a block type. The recommended way is to register a block type using
|
|
* the metadata stored in the `block.json` file.
|
|
*
|
|
* @since 5.0.0
|
|
* @since 5.8.0 First parameter now accepts a path to the `block.json` file.
|
|
*
|
|
* @param string|WP_Block_Type $block_type Block type name including namespace, or alternatively
|
|
* a path to the JSON file with metadata definition for the block,
|
|
* or a path to the folder where the `block.json` file is located,
|
|
* or a complete WP_Block_Type instance.
|
|
* In case a WP_Block_Type is provided, the $args parameter will be ignored.
|
|
* @param array $args Optional. Array of block type arguments. Accepts any public property
|
|
* of `WP_Block_Type`. See WP_Block_Type::__construct() for information
|
|
* on accepted arguments. Default empty array.
|
|
*
|
|
* @return WP_Block_Type|false The registered block type on success, or false on failure.
|
|
*/
|
|
function register_block_type( $block_type, $args = array() ) {
|
|
if ( is_string( $block_type ) && file_exists( $block_type ) ) {
|
|
return register_block_type_from_metadata( $block_type, $args );
|
|
}
|
|
|
|
return WP_Block_Type_Registry::get_instance()->register( $block_type, $args );
|
|
}
|
|
|
|
/**
|
|
* Unregisters a block type.
|
|
*
|
|
* @since 5.0.0
|
|
*
|
|
* @param string|WP_Block_Type $name Block type name including namespace, or alternatively
|
|
* a complete WP_Block_Type instance.
|
|
* @return WP_Block_Type|false The unregistered block type on success, or false on failure.
|
|
*/
|
|
function unregister_block_type( $name ) {
|
|
return WP_Block_Type_Registry::get_instance()->unregister( $name );
|
|
}
|
|
|
|
/**
|
|
* Determines whether a post or content string has blocks.
|
|
*
|
|
* This test optimizes for performance rather than strict accuracy, detecting
|
|
* the pattern of a block but not validating its structure. For strict accuracy,
|
|
* you should use the block parser on post content.
|
|
*
|
|
* @since 5.0.0
|
|
*
|
|
* @see parse_blocks()
|
|
*
|
|
* @param int|string|WP_Post|null $post Optional. Post content, post ID, or post object.
|
|
* Defaults to global $post.
|
|
* @return bool Whether the post has blocks.
|
|
*/
|
|
function has_blocks( $post = null ) {
|
|
if ( ! is_string( $post ) ) {
|
|
$wp_post = get_post( $post );
|
|
|
|
if ( ! $wp_post instanceof WP_Post ) {
|
|
return false;
|
|
}
|
|
|
|
$post = $wp_post->post_content;
|
|
}
|
|
|
|
return str_contains( (string) $post, '<!-- wp:' );
|
|
}
|
|
|
|
/**
|
|
* Determines 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
|
|
* synced patterns (formerly called 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 ) ) {
|
|
return false;
|
|
}
|
|
|
|
if ( ! is_string( $post ) ) {
|
|
$wp_post = get_post( $post );
|
|
if ( $wp_post instanceof WP_Post ) {
|
|
$post = $wp_post->post_content;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* 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
|
|
* their serialized names.
|
|
*/
|
|
if ( ! str_contains( $block_name, '/' ) ) {
|
|
$block_name = 'core/' . $block_name;
|
|
}
|
|
|
|
// Test for existence of block by its fully qualified name.
|
|
$has_block = str_contains( $post, '<!-- wp:' . $block_name . ' ' );
|
|
|
|
if ( ! $has_block ) {
|
|
/*
|
|
* If the given block name would serialize to a different name, test for
|
|
* existence by the serialized form.
|
|
*/
|
|
$serialized_block_name = strip_core_block_namespace( $block_name );
|
|
if ( $serialized_block_name !== $block_name ) {
|
|
$has_block = str_contains( $post, '<!-- wp:' . $serialized_block_name . ' ' );
|
|
}
|
|
}
|
|
|
|
return $has_block;
|
|
}
|
|
|
|
/**
|
|
* 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;
|
|
}
|
|
|
|
/**
|
|
* Retrieves block types hooked into the given block, grouped by anchor block type and the relative position.
|
|
*
|
|
* @since 6.4.0
|
|
*
|
|
* @return array[] Array of block types grouped by anchor block type and the relative position.
|
|
*/
|
|
function get_hooked_blocks() {
|
|
$block_types = WP_Block_Type_Registry::get_instance()->get_all_registered();
|
|
$hooked_blocks = array();
|
|
foreach ( $block_types as $block_type ) {
|
|
if ( ! ( $block_type instanceof WP_Block_Type ) || ! is_array( $block_type->block_hooks ) ) {
|
|
continue;
|
|
}
|
|
foreach ( $block_type->block_hooks as $anchor_block_type => $relative_position ) {
|
|
if ( ! isset( $hooked_blocks[ $anchor_block_type ] ) ) {
|
|
$hooked_blocks[ $anchor_block_type ] = array();
|
|
}
|
|
if ( ! isset( $hooked_blocks[ $anchor_block_type ][ $relative_position ] ) ) {
|
|
$hooked_blocks[ $anchor_block_type ][ $relative_position ] = array();
|
|
}
|
|
$hooked_blocks[ $anchor_block_type ][ $relative_position ][] = $block_type->name;
|
|
}
|
|
}
|
|
|
|
return $hooked_blocks;
|
|
}
|
|
|
|
/**
|
|
* Returns the markup for blocks hooked to the given anchor block in a specific relative position.
|
|
*
|
|
* @since 6.5.0
|
|
* @access private
|
|
*
|
|
* @param array $parsed_anchor_block The anchor block, in parsed block array format.
|
|
* @param string $relative_position The relative position of the hooked blocks.
|
|
* Can be one of 'before', 'after', 'first_child', or 'last_child'.
|
|
* @param array $hooked_blocks An array of hooked block types, grouped by anchor block and relative position.
|
|
* @param WP_Block_Template|array $context The block template, template part, or pattern that the anchor block belongs to.
|
|
* @return string
|
|
*/
|
|
function insert_hooked_blocks( &$parsed_anchor_block, $relative_position, $hooked_blocks, $context ) {
|
|
$anchor_block_type = $parsed_anchor_block['blockName'];
|
|
$hooked_block_types = isset( $hooked_blocks[ $anchor_block_type ][ $relative_position ] )
|
|
? $hooked_blocks[ $anchor_block_type ][ $relative_position ]
|
|
: array();
|
|
|
|
/**
|
|
* Filters the list of hooked block types for a given anchor block type and relative position.
|
|
*
|
|
* @since 6.4.0
|
|
*
|
|
* @param string[] $hooked_block_types The list of hooked block types.
|
|
* @param string $relative_position The relative position of the hooked blocks.
|
|
* Can be one of 'before', 'after', 'first_child', or 'last_child'.
|
|
* @param string $anchor_block_type The anchor block type.
|
|
* @param WP_Block_Template|WP_Post|array $context The block template, template part, `wp_navigation` post type,
|
|
* or pattern that the anchor block belongs to.
|
|
*/
|
|
$hooked_block_types = apply_filters( 'hooked_block_types', $hooked_block_types, $relative_position, $anchor_block_type, $context );
|
|
|
|
$markup = '';
|
|
foreach ( $hooked_block_types as $hooked_block_type ) {
|
|
$parsed_hooked_block = array(
|
|
'blockName' => $hooked_block_type,
|
|
'attrs' => array(),
|
|
'innerBlocks' => array(),
|
|
'innerContent' => array(),
|
|
);
|
|
|
|
/**
|
|
* Filters the parsed block array for a given hooked block.
|
|
*
|
|
* @since 6.5.0
|
|
*
|
|
* @param array|null $parsed_hooked_block The parsed block array for the given hooked block type, or null to suppress the block.
|
|
* @param string $hooked_block_type The hooked block type name.
|
|
* @param string $relative_position The relative position of the hooked block.
|
|
* @param array $parsed_anchor_block The anchor block, in parsed block array format.
|
|
* @param WP_Block_Template|WP_Post|array $context The block template, template part, `wp_navigation` post type,
|
|
* or pattern that the anchor block belongs to.
|
|
*/
|
|
$parsed_hooked_block = apply_filters( 'hooked_block', $parsed_hooked_block, $hooked_block_type, $relative_position, $parsed_anchor_block, $context );
|
|
|
|
/**
|
|
* Filters the parsed block array for a given hooked block.
|
|
*
|
|
* The dynamic portion of the hook name, `$hooked_block_type`, refers to the block type name of the specific hooked block.
|
|
*
|
|
* @since 6.5.0
|
|
*
|
|
* @param array|null $parsed_hooked_block The parsed block array for the given hooked block type, or null to suppress the block.
|
|
* @param string $hooked_block_type The hooked block type name.
|
|
* @param string $relative_position The relative position of the hooked block.
|
|
* @param array $parsed_anchor_block The anchor block, in parsed block array format.
|
|
* @param WP_Block_Template|WP_Post|array $context The block template, template part, `wp_navigation` post type,
|
|
* or pattern that the anchor block belongs to.
|
|
*/
|
|
$parsed_hooked_block = apply_filters( "hooked_block_{$hooked_block_type}", $parsed_hooked_block, $hooked_block_type, $relative_position, $parsed_anchor_block, $context );
|
|
|
|
if ( null === $parsed_hooked_block ) {
|
|
continue;
|
|
}
|
|
|
|
// It's possible that the filter returned a block of a different type, so we explicitly
|
|
// look for the original `$hooked_block_type` in the `ignoredHookedBlocks` metadata.
|
|
if (
|
|
! isset( $parsed_anchor_block['attrs']['metadata']['ignoredHookedBlocks'] ) ||
|
|
! in_array( $hooked_block_type, $parsed_anchor_block['attrs']['metadata']['ignoredHookedBlocks'], true )
|
|
) {
|
|
$markup .= serialize_block( $parsed_hooked_block );
|
|
}
|
|
}
|
|
|
|
return $markup;
|
|
}
|
|
|
|
/**
|
|
* Adds a list of hooked block types to an anchor block's ignored hooked block types.
|
|
*
|
|
* This function is meant for internal use only.
|
|
*
|
|
* @since 6.5.0
|
|
* @access private
|
|
*
|
|
* @param array $parsed_anchor_block The anchor block, in parsed block array format.
|
|
* @param string $relative_position The relative position of the hooked blocks.
|
|
* Can be one of 'before', 'after', 'first_child', or 'last_child'.
|
|
* @param array $hooked_blocks An array of hooked block types, grouped by anchor block and relative position.
|
|
* @param WP_Block_Template|array $context The block template, template part, or pattern that the anchor block belongs to.
|
|
* @return string An empty string.
|
|
*/
|
|
function set_ignored_hooked_blocks_metadata( &$parsed_anchor_block, $relative_position, $hooked_blocks, $context ) {
|
|
$anchor_block_type = $parsed_anchor_block['blockName'];
|
|
$hooked_block_types = isset( $hooked_blocks[ $anchor_block_type ][ $relative_position ] )
|
|
? $hooked_blocks[ $anchor_block_type ][ $relative_position ]
|
|
: array();
|
|
|
|
/** This filter is documented in wp-includes/blocks.php */
|
|
$hooked_block_types = apply_filters( 'hooked_block_types', $hooked_block_types, $relative_position, $anchor_block_type, $context );
|
|
if ( empty( $hooked_block_types ) ) {
|
|
return '';
|
|
}
|
|
|
|
foreach ( $hooked_block_types as $index => $hooked_block_type ) {
|
|
$parsed_hooked_block = array(
|
|
'blockName' => $hooked_block_type,
|
|
'attrs' => array(),
|
|
'innerBlocks' => array(),
|
|
'innerContent' => array(),
|
|
);
|
|
|
|
/** This filter is documented in wp-includes/blocks.php */
|
|
$parsed_hooked_block = apply_filters( 'hooked_block', $parsed_hooked_block, $hooked_block_type, $relative_position, $parsed_anchor_block, $context );
|
|
|
|
/** This filter is documented in wp-includes/blocks.php */
|
|
$parsed_hooked_block = apply_filters( "hooked_block_{$hooked_block_type}", $parsed_hooked_block, $hooked_block_type, $relative_position, $parsed_anchor_block, $context );
|
|
|
|
if ( null === $parsed_hooked_block ) {
|
|
unset( $hooked_block_types[ $index ] );
|
|
}
|
|
}
|
|
|
|
$previously_ignored_hooked_blocks = isset( $parsed_anchor_block['attrs']['metadata']['ignoredHookedBlocks'] )
|
|
? $parsed_anchor_block['attrs']['metadata']['ignoredHookedBlocks']
|
|
: array();
|
|
|
|
$parsed_anchor_block['attrs']['metadata']['ignoredHookedBlocks'] = array_unique(
|
|
array_merge(
|
|
$previously_ignored_hooked_blocks,
|
|
$hooked_block_types
|
|
)
|
|
);
|
|
|
|
// Markup for the hooked blocks has already been created (in `insert_hooked_blocks`).
|
|
return '';
|
|
}
|
|
|
|
/**
|
|
* Returns a function that injects the theme attribute into, and hooked blocks before, a given block.
|
|
*
|
|
* The returned function can be used as `$pre_callback` argument to `traverse_and_serialize_block(s)`,
|
|
* where it will inject the `theme` attribute into all Template Part blocks, and prepend the markup for
|
|
* any blocks hooked `before` the given block and as its parent's `first_child`, respectively.
|
|
*
|
|
* This function is meant for internal use only.
|
|
*
|
|
* @since 6.4.0
|
|
* @since 6.5.0 Added $callback argument.
|
|
* @access private
|
|
*
|
|
* @param array $hooked_blocks An array of blocks hooked to another given block.
|
|
* @param WP_Block_Template|WP_Post|array $context A block template, template part, `wp_navigation` post object,
|
|
* or pattern that the blocks belong to.
|
|
* @param callable $callback A function that will be called for each block to generate
|
|
* the markup for a given list of blocks that are hooked to it.
|
|
* Default: 'insert_hooked_blocks'.
|
|
* @return callable A function that returns the serialized markup for the given block,
|
|
* including the markup for any hooked blocks before it.
|
|
*/
|
|
function make_before_block_visitor( $hooked_blocks, $context, $callback = 'insert_hooked_blocks' ) {
|
|
/**
|
|
* Injects hooked blocks before the given block, injects the `theme` attribute into Template Part blocks, and returns the serialized markup.
|
|
*
|
|
* If the current block is a Template Part block, inject the `theme` attribute.
|
|
* Furthermore, prepend the markup for any blocks hooked `before` the given block and as its parent's
|
|
* `first_child`, respectively, to the serialized markup for the given block.
|
|
*
|
|
* @param array $block The block to inject the theme attribute into, and hooked blocks before. Passed by reference.
|
|
* @param array $parent_block The parent block of the given block. Passed by reference. Default null.
|
|
* @param array $prev The previous sibling block of the given block. Default null.
|
|
* @return string The serialized markup for the given block, with the markup for any hooked blocks prepended to it.
|
|
*/
|
|
return function ( &$block, &$parent_block = null, $prev = null ) use ( $hooked_blocks, $context, $callback ) {
|
|
_inject_theme_attribute_in_template_part_block( $block );
|
|
|
|
$markup = '';
|
|
|
|
if ( $parent_block && ! $prev ) {
|
|
// Candidate for first-child insertion.
|
|
$markup .= call_user_func_array(
|
|
$callback,
|
|
array( &$parent_block, 'first_child', $hooked_blocks, $context )
|
|
);
|
|
}
|
|
|
|
$markup .= call_user_func_array(
|
|
$callback,
|
|
array( &$block, 'before', $hooked_blocks, $context )
|
|
);
|
|
|
|
return $markup;
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Returns a function that injects the hooked blocks after a given block.
|
|
*
|
|
* The returned function can be used as `$post_callback` argument to `traverse_and_serialize_block(s)`,
|
|
* where it will append the markup for any blocks hooked `after` the given block and as its parent's
|
|
* `last_child`, respectively.
|
|
*
|
|
* This function is meant for internal use only.
|
|
*
|
|
* @since 6.4.0
|
|
* @since 6.5.0 Added $callback argument.
|
|
* @access private
|
|
*
|
|
* @param array $hooked_blocks An array of blocks hooked to another block.
|
|
* @param WP_Block_Template|WP_Post|array $context A block template, template part, `wp_navigation` post object,
|
|
* or pattern that the blocks belong to.
|
|
* @param callable $callback A function that will be called for each block to generate
|
|
* the markup for a given list of blocks that are hooked to it.
|
|
* Default: 'insert_hooked_blocks'.
|
|
* @return callable A function that returns the serialized markup for the given block,
|
|
* including the markup for any hooked blocks after it.
|
|
*/
|
|
function make_after_block_visitor( $hooked_blocks, $context, $callback = 'insert_hooked_blocks' ) {
|
|
/**
|
|
* Injects hooked blocks after the given block, and returns the serialized markup.
|
|
*
|
|
* Append the markup for any blocks hooked `after` the given block and as its parent's
|
|
* `last_child`, respectively, to the serialized markup for the given block.
|
|
*
|
|
* @param array $block The block to inject the hooked blocks after. Passed by reference.
|
|
* @param array $parent_block The parent block of the given block. Passed by reference. Default null.
|
|
* @param array $next The next sibling block of the given block. Default null.
|
|
* @return string The serialized markup for the given block, with the markup for any hooked blocks appended to it.
|
|
*/
|
|
return function ( &$block, &$parent_block = null, $next = null ) use ( $hooked_blocks, $context, $callback ) {
|
|
$markup = call_user_func_array(
|
|
$callback,
|
|
array( &$block, 'after', $hooked_blocks, $context )
|
|
);
|
|
|
|
if ( $parent_block && ! $next ) {
|
|
// Candidate for last-child insertion.
|
|
$markup .= call_user_func_array(
|
|
$callback,
|
|
array( &$parent_block, 'last_child', $hooked_blocks, $context )
|
|
);
|
|
}
|
|
|
|
return $markup;
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Given an array of attributes, returns a string in the serialized attributes
|
|
* format prepared for post content.
|
|
*
|
|
* The serialized result is a JSON-encoded string, with unicode escape sequence
|
|
* substitution for characters which might otherwise interfere with embedding
|
|
* the result in an HTML comment.
|
|
*
|
|
* This function must produce output that remains in sync with the output of
|
|
* the serializeAttributes JavaScript function in the block editor in order
|
|
* to ensure consistent operation between PHP and JavaScript.
|
|
*
|
|
* @since 5.3.1
|
|
*
|
|
* @param array $block_attributes Attributes object.
|
|
* @return string Serialized attributes.
|
|
*/
|
|
function serialize_block_attributes( $block_attributes ) {
|
|
$encoded_attributes = wp_json_encode( $block_attributes, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE );
|
|
$encoded_attributes = preg_replace( '/--/', '\\u002d\\u002d', $encoded_attributes );
|
|
$encoded_attributes = preg_replace( '/</', '\\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|null $block_name Optional. Original block name. Null if the block name is unknown,
|
|
* e.g. Classic blocks have their name set to null. Default null.
|
|
* @return string Block name to use for serialization.
|
|
*/
|
|
function strip_core_block_namespace( $block_name = null ) {
|
|
if ( is_string( $block_name ) && str_starts_with( $block_name, 'core/' ) ) {
|
|
return substr( $block_name, 5 );
|
|
}
|
|
|
|
return $block_name;
|
|
}
|
|
|
|
/**
|
|
* Returns the content of a block, including comment delimiters.
|
|
*
|
|
* @since 5.3.1
|
|
*
|
|
* @param string|null $block_name Block name. Null if the block name is unknown,
|
|
* e.g. Classic blocks have their name set to null.
|
|
* @param array $block_attributes Block attributes.
|
|
* @param string $block_content Block save content.
|
|
* @return string Comment-delimited block content.
|
|
*/
|
|
function get_comment_delimited_block_content( $block_name, $block_attributes, $block_content ) {
|
|
if ( is_null( $block_name ) ) {
|
|
return $block_content;
|
|
}
|
|
|
|
$serialized_block_name = strip_core_block_namespace( $block_name );
|
|
$serialized_attributes = empty( $block_attributes ) ? '' : serialize_block_attributes( $block_attributes ) . ' ';
|
|
|
|
if ( empty( $block_content ) ) {
|
|
return sprintf( '<!-- 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 array $block {
|
|
* A representative 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.
|
|
* }
|
|
* @return string String of rendered HTML.
|
|
*/
|
|
function serialize_block( $block ) {
|
|
$block_content = '';
|
|
|
|
$index = 0;
|
|
foreach ( $block['innerContent'] as $chunk ) {
|
|
$block_content .= is_string( $chunk ) ? $chunk : serialize_block( $block['innerBlocks'][ $index++ ] );
|
|
}
|
|
|
|
if ( ! is_array( $block['attrs'] ) ) {
|
|
$block['attrs'] = array();
|
|
}
|
|
|
|
return get_comment_delimited_block_content(
|
|
$block['blockName'],
|
|
$block['attrs'],
|
|
$block_content
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Returns a joined string of the aggregate serialization of the given
|
|
* parsed blocks.
|
|
*
|
|
* @since 5.3.1
|
|
*
|
|
* @param array[] $blocks {
|
|
* Array of block structures.
|
|
*
|
|
* @type array ...$0 {
|
|
* A representative 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.
|
|
* }
|
|
* }
|
|
* @return string String of rendered HTML.
|
|
*/
|
|
function serialize_blocks( $blocks ) {
|
|
return implode( '', array_map( 'serialize_block', $blocks ) );
|
|
}
|
|
|
|
/**
|
|
* Traverses a parsed block tree and applies callbacks before and after serializing it.
|
|
*
|
|
* Recursively traverses the block and its inner blocks and applies the two callbacks provided as
|
|
* arguments, the first one before serializing the block, and the second one after serializing it.
|
|
* If either callback returns a string value, it will be prepended and appended to the serialized
|
|
* block markup, respectively.
|
|
*
|
|
* The callbacks will receive a reference to the current block as their first argument, so that they
|
|
* can also modify it, and the current block's parent block as second argument. Finally, the
|
|
* `$pre_callback` receives the previous block, whereas the `$post_callback` receives
|
|
* the next block as third argument.
|
|
*
|
|
* Serialized blocks are returned including comment delimiters, and with all attributes serialized.
|
|
*
|
|
* This function should be used when there is a need to modify the saved block, or to inject markup
|
|
* into the return value. Prefer `serialize_block` when preparing a block to be saved to post content.
|
|
*
|
|
* This function is meant for internal use only.
|
|
*
|
|
* @since 6.4.0
|
|
* @access private
|
|
*
|
|
* @see serialize_block()
|
|
*
|
|
* @param array $block A representative array of a single parsed block object. See WP_Block_Parser_Block.
|
|
* @param callable $pre_callback Callback to run on each block in the tree before it is traversed and serialized.
|
|
* It is called with the following arguments: &$block, $parent_block, $previous_block.
|
|
* Its string return value will be prepended to the serialized block markup.
|
|
* @param callable $post_callback Callback to run on each block in the tree after it is traversed and serialized.
|
|
* It is called with the following arguments: &$block, $parent_block, $next_block.
|
|
* Its string return value will be appended to the serialized block markup.
|
|
* @return string Serialized block markup.
|
|
*/
|
|
function traverse_and_serialize_block( $block, $pre_callback = null, $post_callback = null ) {
|
|
$block_content = '';
|
|
$block_index = 0;
|
|
|
|
foreach ( $block['innerContent'] as $chunk ) {
|
|
if ( is_string( $chunk ) ) {
|
|
$block_content .= $chunk;
|
|
} else {
|
|
$inner_block = $block['innerBlocks'][ $block_index ];
|
|
|
|
if ( is_callable( $pre_callback ) ) {
|
|
$prev = 0 === $block_index
|
|
? null
|
|
: $block['innerBlocks'][ $block_index - 1 ];
|
|
|
|
$block_content .= call_user_func_array(
|
|
$pre_callback,
|
|
array( &$inner_block, &$block, $prev )
|
|
);
|
|
}
|
|
|
|
if ( is_callable( $post_callback ) ) {
|
|
$next = count( $block['innerBlocks'] ) - 1 === $block_index
|
|
? null
|
|
: $block['innerBlocks'][ $block_index + 1 ];
|
|
|
|
$post_markup = call_user_func_array(
|
|
$post_callback,
|
|
array( &$inner_block, &$block, $next )
|
|
);
|
|
}
|
|
|
|
$block_content .= traverse_and_serialize_block( $inner_block, $pre_callback, $post_callback );
|
|
$block_content .= isset( $post_markup ) ? $post_markup : '';
|
|
|
|
++$block_index;
|
|
}
|
|
}
|
|
|
|
if ( ! is_array( $block['attrs'] ) ) {
|
|
$block['attrs'] = array();
|
|
}
|
|
|
|
return get_comment_delimited_block_content(
|
|
$block['blockName'],
|
|
$block['attrs'],
|
|
$block_content
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Given an array of parsed block trees, applies callbacks before and after serializing them and
|
|
* returns their concatenated output.
|
|
*
|
|
* Recursively traverses the blocks and their inner blocks and applies the two callbacks provided as
|
|
* arguments, the first one before serializing a block, and the second one after serializing.
|
|
* If either callback returns a string value, it will be prepended and appended to the serialized
|
|
* block markup, respectively.
|
|
*
|
|
* The callbacks will receive a reference to the current block as their first argument, so that they
|
|
* can also modify it, and the current block's parent block as second argument. Finally, the
|
|
* `$pre_callback` receives the previous block, whereas the `$post_callback` receives
|
|
* the next block as third argument.
|
|
*
|
|
* Serialized blocks are returned including comment delimiters, and with all attributes serialized.
|
|
*
|
|
* This function should be used when there is a need to modify the saved blocks, or to inject markup
|
|
* into the return value. Prefer `serialize_blocks` when preparing blocks to be saved to post content.
|
|
*
|
|
* This function is meant for internal use only.
|
|
*
|
|
* @since 6.4.0
|
|
* @access private
|
|
*
|
|
* @see serialize_blocks()
|
|
*
|
|
* @param array[] $blocks An array of parsed blocks. See WP_Block_Parser_Block.
|
|
* @param callable $pre_callback Callback to run on each block in the tree before it is traversed and serialized.
|
|
* It is called with the following arguments: &$block, $parent_block, $previous_block.
|
|
* Its string return value will be prepended to the serialized block markup.
|
|
* @param callable $post_callback Callback to run on each block in the tree after it is traversed and serialized.
|
|
* It is called with the following arguments: &$block, $parent_block, $next_block.
|
|
* Its string return value will be appended to the serialized block markup.
|
|
* @return string Serialized block markup.
|
|
*/
|
|
function traverse_and_serialize_blocks( $blocks, $pre_callback = null, $post_callback = null ) {
|
|
$result = '';
|
|
$parent_block = null; // At the top level, there is no parent block to pass to the callbacks; yet the callbacks expect a reference.
|
|
|
|
foreach ( $blocks as $index => $block ) {
|
|
if ( is_callable( $pre_callback ) ) {
|
|
$prev = 0 === $index
|
|
? null
|
|
: $blocks[ $index - 1 ];
|
|
|
|
$result .= call_user_func_array(
|
|
$pre_callback,
|
|
array( &$block, &$parent_block, $prev )
|
|
);
|
|
}
|
|
|
|
if ( is_callable( $post_callback ) ) {
|
|
$next = count( $blocks ) - 1 === $index
|
|
? null
|
|
: $blocks[ $index + 1 ];
|
|
|
|
$post_markup = call_user_func_array(
|
|
$post_callback,
|
|
array( &$block, &$parent_block, $next )
|
|
);
|
|
}
|
|
|
|
$result .= traverse_and_serialize_block( $block, $pre_callback, $post_callback );
|
|
$result .= isset( $post_markup ) ? $post_markup : '';
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Filters and sanitizes block content to remove non-allowable HTML
|
|
* from parsed block attribute values.
|
|
*
|
|
* @since 5.3.1
|
|
*
|
|
* @param string $text Text that may contain block content.
|
|
* @param array[]|string $allowed_html Optional. An array of allowed HTML elements and attributes,
|
|
* or a context name such as 'post'. See wp_kses_allowed_html()
|
|
* for the list of accepted context names. Default 'post'.
|
|
* @param string[] $allowed_protocols Optional. Array of allowed URL protocols.
|
|
* Defaults to the result of wp_allowed_protocols().
|
|
* @return string The filtered and sanitized content result.
|
|
*/
|
|
function filter_block_content( $text, $allowed_html = 'post', $allowed_protocols = array() ) {
|
|
$result = '';
|
|
|
|
if ( str_contains( $text, '<!--' ) && 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 '<!--' . rtrim( $matches[1], '-' ) . '-->';
|
|
}
|
|
|
|
/**
|
|
* Filters and sanitizes a parsed block to remove non-allowable HTML
|
|
* from block attribute values.
|
|
*
|
|
* @since 5.3.1
|
|
*
|
|
* @param WP_Block_Parser_Block $block The parsed block object.
|
|
* @param array[]|string $allowed_html An array of allowed HTML elements and attributes,
|
|
* or a context name such as 'post'. See wp_kses_allowed_html()
|
|
* for the list of accepted context names.
|
|
* @param string[] $allowed_protocols Optional. Array of allowed URL protocols.
|
|
* Defaults to the result of wp_allowed_protocols().
|
|
* @return array The filtered and sanitized block object result.
|
|
*/
|
|
function filter_block_kses( $block, $allowed_html, $allowed_protocols = array() ) {
|
|
$block['attrs'] = filter_block_kses_value( $block['attrs'], $allowed_html, $allowed_protocols );
|
|
|
|
if ( is_array( $block['innerBlocks'] ) ) {
|
|
foreach ( $block['innerBlocks'] as $i => $inner_block ) {
|
|
$block['innerBlocks'][ $i ] = filter_block_kses( $inner_block, $allowed_html, $allowed_protocols );
|
|
}
|
|
}
|
|
|
|
return $block;
|
|
}
|
|
|
|
/**
|
|
* Filters and sanitizes a parsed block attribute value to remove
|
|
* non-allowable HTML.
|
|
*
|
|
* @since 5.3.1
|
|
*
|
|
* @param string[]|string $value The attribute value to filter.
|
|
* @param array[]|string $allowed_html An array of allowed HTML elements and attributes,
|
|
* or a context name such as 'post'. See wp_kses_allowed_html()
|
|
* for the list of accepted context names.
|
|
* @param string[] $allowed_protocols Optional. Array of allowed URL protocols.
|
|
* Defaults to the result of wp_allowed_protocols().
|
|
* @return string[]|string The filtered and sanitized result.
|
|
*/
|
|
function filter_block_kses_value( $value, $allowed_html, $allowed_protocols = array() ) {
|
|
if ( is_array( $value ) ) {
|
|
foreach ( $value as $key => $inner_value ) {
|
|
$filtered_key = filter_block_kses_value( $key, $allowed_html, $allowed_protocols );
|
|
$filtered_value = filter_block_kses_value( $inner_value, $allowed_html, $allowed_protocols );
|
|
|
|
if ( $filtered_key !== $key ) {
|
|
unset( $value[ $key ] );
|
|
}
|
|
|
|
$value[ $filtered_key ] = $filtered_value;
|
|
}
|
|
} elseif ( is_string( $value ) ) {
|
|
return wp_kses( $value, $allowed_html, $allowed_protocols );
|
|
}
|
|
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* Parses blocks out of a content string, and renders those appropriate for the excerpt.
|
|
*
|
|
* As the excerpt should be a small string of text relevant to the full post content,
|
|
* this function renders the blocks that are most likely to contain such text.
|
|
*
|
|
* @since 5.0.0
|
|
*
|
|
* @param string $content The content to parse.
|
|
* @return string The parsed and filtered content.
|
|
*/
|
|
function excerpt_remove_blocks( $content ) {
|
|
if ( ! has_blocks( $content ) ) {
|
|
return $content;
|
|
}
|
|
|
|
$allowed_inner_blocks = array(
|
|
// Classic blocks have their blockName set to null.
|
|
null,
|
|
'core/freeform',
|
|
'core/heading',
|
|
'core/html',
|
|
'core/list',
|
|
'core/media-text',
|
|
'core/paragraph',
|
|
'core/preformatted',
|
|
'core/pullquote',
|
|
'core/quote',
|
|
'core/table',
|
|
'core/verse',
|
|
);
|
|
|
|
$allowed_wrapper_blocks = array(
|
|
'core/columns',
|
|
'core/column',
|
|
'core/group',
|
|
);
|
|
|
|
/**
|
|
* Filters the list of blocks that can be used as wrapper blocks, allowing
|
|
* excerpts to be generated from the `innerBlocks` of these wrappers.
|
|
*
|
|
* @since 5.8.0
|
|
*
|
|
* @param string[] $allowed_wrapper_blocks The list of names of allowed wrapper blocks.
|
|
*/
|
|
$allowed_wrapper_blocks = apply_filters( 'excerpt_allowed_wrapper_blocks', $allowed_wrapper_blocks );
|
|
|
|
$allowed_blocks = array_merge( $allowed_inner_blocks, $allowed_wrapper_blocks );
|
|
|
|
/**
|
|
* Filters the list of blocks that can contribute to the excerpt.
|
|
*
|
|
* If a dynamic block is added to this list, it must not generate another
|
|
* excerpt, as this will cause an infinite loop to occur.
|
|
*
|
|
* @since 5.0.0
|
|
*
|
|
* @param string[] $allowed_blocks The list of names of allowed blocks.
|
|
*/
|
|
$allowed_blocks = apply_filters( 'excerpt_allowed_blocks', $allowed_blocks );
|
|
$blocks = parse_blocks( $content );
|
|
$output = '';
|
|
|
|
foreach ( $blocks as $block ) {
|
|
if ( in_array( $block['blockName'], $allowed_blocks, true ) ) {
|
|
if ( ! empty( $block['innerBlocks'] ) ) {
|
|
if ( in_array( $block['blockName'], $allowed_wrapper_blocks, true ) ) {
|
|
$output .= _excerpt_render_inner_blocks( $block, $allowed_blocks );
|
|
continue;
|
|
}
|
|
|
|
// Skip the block if it has disallowed or nested inner blocks.
|
|
foreach ( $block['innerBlocks'] as $inner_block ) {
|
|
if (
|
|
! in_array( $inner_block['blockName'], $allowed_inner_blocks, true ) ||
|
|
! empty( $inner_block['innerBlocks'] )
|
|
) {
|
|
continue 2;
|
|
}
|
|
}
|
|
}
|
|
|
|
$output .= render_block( $block );
|
|
}
|
|
}
|
|
|
|
return $output;
|
|
}
|
|
|
|
/**
|
|
* Parses footnotes markup out of a content string,
|
|
* and renders those appropriate for the excerpt.
|
|
*
|
|
* @since 6.3.0
|
|
*
|
|
* @param string $content The content to parse.
|
|
* @return string The parsed and filtered content.
|
|
*/
|
|
function excerpt_remove_footnotes( $content ) {
|
|
if ( ! str_contains( $content, 'data-fn=' ) ) {
|
|
return $content;
|
|
}
|
|
|
|
return preg_replace(
|
|
'_<sup data-fn="[^"]+" class="[^"]+">\s*<a href="[^"]+" id="[^"]+">\d+</a>\s*</sup>_',
|
|
'',
|
|
$content
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Renders inner blocks from the allowed wrapper blocks
|
|
* for generating an excerpt.
|
|
*
|
|
* @since 5.8.0
|
|
* @access private
|
|
*
|
|
* @param array $parsed_block The parsed block.
|
|
* @param array $allowed_blocks The list of allowed inner blocks.
|
|
* @return string The rendered inner blocks.
|
|
*/
|
|
function _excerpt_render_inner_blocks( $parsed_block, $allowed_blocks ) {
|
|
$output = '';
|
|
|
|
foreach ( $parsed_block['innerBlocks'] as $inner_block ) {
|
|
if ( ! in_array( $inner_block['blockName'], $allowed_blocks, true ) ) {
|
|
continue;
|
|
}
|
|
|
|
if ( empty( $inner_block['innerBlocks'] ) ) {
|
|
$output .= render_block( $inner_block );
|
|
} else {
|
|
$output .= _excerpt_render_inner_blocks( $inner_block, $allowed_blocks );
|
|
}
|
|
}
|
|
|
|
return $output;
|
|
}
|
|
|
|
/**
|
|
* Renders a single block into a HTML string.
|
|
*
|
|
* @since 5.0.0
|
|
*
|
|
* @global WP_Post $post The post to edit.
|
|
*
|
|
* @param array $parsed_block {
|
|
* A representative 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 {
|
|
* A representative 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 {
|
|
* A representative 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 {
|
|
* A representative 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 {
|
|
* A representative 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
|
|
*
|
|
* @link https://developer.wordpress.org/block-editor/reference-guides/block-api/block-styles/
|
|
*
|
|
* @param string $block_name Block type name including namespace.
|
|
* @param array $style_properties Array containing the properties of the style name, label,
|
|
* style_handle (name of the stylesheet to be enqueued),
|
|
* inline_style (string containing the CSS to be added).
|
|
* 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.' ),
|
|
$metadata['name'],
|
|
"<code>$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
|
|
* @since 6.1.0 Added `query_loop_block_query_vars` filter and `parents` support in query.
|
|
*
|
|
* @param WP_Block $block Block instance.
|
|
* @param int $page Current query's page.
|
|
*
|
|
* @return array Returns the constructed WP_Query arguments.
|
|
*/
|
|
function build_query_vars_from_query_block( $block, $page ) {
|
|
$query = array(
|
|
'post_type' => 'post',
|
|
'order' => 'DESC',
|
|
'orderby' => 'date',
|
|
'post__not_in' => array(),
|
|
);
|
|
|
|
if ( isset( $block->context['query'] ) ) {
|
|
if ( ! empty( $block->context['query']['postType'] ) ) {
|
|
$post_type_param = $block->context['query']['postType'];
|
|
if ( is_post_type_viewable( $post_type_param ) ) {
|
|
$query['post_type'] = $post_type_param;
|
|
}
|
|
}
|
|
if ( isset( $block->context['query']['sticky'] ) && ! empty( $block->context['query']['sticky'] ) ) {
|
|
$sticky = get_option( 'sticky_posts' );
|
|
if ( 'only' === $block->context['query']['sticky'] ) {
|
|
/*
|
|
* Passing an empty array to post__in will return have_posts() as true (and all posts will be returned).
|
|
* Logic should be used before hand to determine if WP_Query should be used in the event that the array
|
|
* being passed to post__in is empty.
|
|
*
|
|
* @see https://core.trac.wordpress.org/ticket/28099
|
|
*/
|
|
$query['post__in'] = ! empty( $sticky ) ? $sticky : array( 0 );
|
|
$query['ignore_sticky_posts'] = 1;
|
|
} else {
|
|
$query['post__not_in'] = array_merge( $query['post__not_in'], $sticky );
|
|
}
|
|
}
|
|
if ( ! empty( $block->context['query']['exclude'] ) ) {
|
|
$excluded_post_ids = array_map( 'intval', $block->context['query']['exclude'] );
|
|
$excluded_post_ids = array_filter( $excluded_post_ids );
|
|
$query['post__not_in'] = array_merge( $query['post__not_in'], $excluded_post_ids );
|
|
}
|
|
if (
|
|
isset( $block->context['query']['perPage'] ) &&
|
|
is_numeric( $block->context['query']['perPage'] )
|
|
) {
|
|
$per_page = absint( $block->context['query']['perPage'] );
|
|
$offset = 0;
|
|
|
|
if (
|
|
isset( $block->context['query']['offset'] ) &&
|
|
is_numeric( $block->context['query']['offset'] )
|
|
) {
|
|
$offset = absint( $block->context['query']['offset'] );
|
|
}
|
|
|
|
$query['offset'] = ( $per_page * ( $page - 1 ) ) + $offset;
|
|
$query['posts_per_page'] = $per_page;
|
|
}
|
|
// Migrate `categoryIds` and `tagIds` to `tax_query` for backwards compatibility.
|
|
if ( ! empty( $block->context['query']['categoryIds'] ) || ! empty( $block->context['query']['tagIds'] ) ) {
|
|
$tax_query = array();
|
|
if ( ! empty( $block->context['query']['categoryIds'] ) ) {
|
|
$tax_query[] = array(
|
|
'taxonomy' => 'category',
|
|
'terms' => array_filter( array_map( 'intval', $block->context['query']['categoryIds'] ) ),
|
|
'include_children' => false,
|
|
);
|
|
}
|
|
if ( ! empty( $block->context['query']['tagIds'] ) ) {
|
|
$tax_query[] = array(
|
|
'taxonomy' => 'post_tag',
|
|
'terms' => array_filter( array_map( 'intval', $block->context['query']['tagIds'] ) ),
|
|
'include_children' => false,
|
|
);
|
|
}
|
|
$query['tax_query'] = $tax_query;
|
|
}
|
|
if ( ! empty( $block->context['query']['taxQuery'] ) ) {
|
|
$query['tax_query'] = array();
|
|
foreach ( $block->context['query']['taxQuery'] as $taxonomy => $terms ) {
|
|
if ( is_taxonomy_viewable( $taxonomy ) && ! empty( $terms ) ) {
|
|
$query['tax_query'][] = array(
|
|
'taxonomy' => $taxonomy,
|
|
'terms' => array_filter( array_map( 'intval', $terms ) ),
|
|
'include_children' => false,
|
|
);
|
|
}
|
|
}
|
|
}
|
|
if (
|
|
isset( $block->context['query']['order'] ) &&
|
|
in_array( strtoupper( $block->context['query']['order'] ), array( 'ASC', 'DESC' ), true )
|
|
) {
|
|
$query['order'] = strtoupper( $block->context['query']['order'] );
|
|
}
|
|
if ( isset( $block->context['query']['orderBy'] ) ) {
|
|
$query['orderby'] = $block->context['query']['orderBy'];
|
|
}
|
|
if (
|
|
isset( $block->context['query']['author'] )
|
|
) {
|
|
if ( is_array( $block->context['query']['author'] ) ) {
|
|
$query['author__in'] = array_filter( array_map( 'intval', $block->context['query']['author'] ) );
|
|
} elseif ( is_string( $block->context['query']['author'] ) ) {
|
|
$query['author__in'] = array_filter( array_map( 'intval', explode( ',', $block->context['query']['author'] ) ) );
|
|
} elseif ( is_int( $block->context['query']['author'] ) && $block->context['query']['author'] > 0 ) {
|
|
$query['author'] = $block->context['query']['author'];
|
|
}
|
|
}
|
|
if ( ! empty( $block->context['query']['search'] ) ) {
|
|
$query['s'] = $block->context['query']['search'];
|
|
}
|
|
if ( ! empty( $block->context['query']['parents'] ) && is_post_type_hierarchical( $query['post_type'] ) ) {
|
|
$query['post_parent__in'] = array_filter( array_map( 'intval', $block->context['query']['parents'] ) );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Filters the arguments which will be passed to `WP_Query` for the Query Loop Block.
|
|
*
|
|
* Anything to this filter should be compatible with the `WP_Query` API to form
|
|
* the query context which will be passed down to the Query Loop Block's children.
|
|
* This can help, for example, to include additional settings or meta queries not
|
|
* directly supported by the core Query Loop Block, and extend its capabilities.
|
|
*
|
|
* Please note that this will only influence the query that will be rendered on the
|
|
* front-end. The editor preview is not affected by this filter. Also, worth noting
|
|
* that the editor preview uses the REST API, so, ideally, one should aim to provide
|
|
* attributes which are also compatible with the REST API, in order to be able to
|
|
* implement identical queries on both sides.
|
|
*
|
|
* @since 6.1.0
|
|
*
|
|
* @param array $query Array containing parameters for `WP_Query` as parsed by the block context.
|
|
* @param WP_Block $block Block instance.
|
|
* @param int $page Current query's page.
|
|
*/
|
|
return apply_filters( 'query_loop_block_query_vars', $query, $block, $page );
|
|
}
|
|
|
|
/**
|
|
* Helper function that returns the proper pagination arrow HTML for
|
|
* `QueryPaginationNext` and `QueryPaginationPrevious` blocks based
|
|
* on the provided `paginationArrow` from `QueryPagination` context.
|
|
*
|
|
* It's used in QueryPaginationNext and QueryPaginationPrevious blocks.
|
|
*
|
|
* @since 5.9.0
|
|
*
|
|
* @param WP_Block $block Block instance.
|
|
* @param bool $is_next Flag for handling `next/previous` blocks.
|
|
* @return string|null The pagination arrow HTML or null if there is none.
|
|
*/
|
|
function get_query_pagination_arrow( $block, $is_next ) {
|
|
$arrow_map = array(
|
|
'none' => '',
|
|
'arrow' => array(
|
|
'next' => '→',
|
|
'previous' => '←',
|
|
),
|
|
'chevron' => array(
|
|
'next' => '»',
|
|
'previous' => '«',
|
|
),
|
|
);
|
|
if ( ! empty( $block->context['paginationArrow'] ) && array_key_exists( $block->context['paginationArrow'], $arrow_map ) && ! empty( $arrow_map[ $block->context['paginationArrow'] ] ) ) {
|
|
$pagination_type = $is_next ? 'next' : 'previous';
|
|
$arrow_attribute = $block->context['paginationArrow'];
|
|
$arrow = $arrow_map[ $block->context['paginationArrow'] ][ $pagination_type ];
|
|
$arrow_classes = "wp-block-query-pagination-$pagination_type-arrow is-arrow-$arrow_attribute";
|
|
return "<span class='$arrow_classes' aria-hidden='true'>$arrow</span>";
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Helper function that constructs a comment query vars array from the passed
|
|
* block properties.
|
|
*
|
|
* It's used with the Comment Query Loop inner blocks.
|
|
*
|
|
* @since 6.0.0
|
|
*
|
|
* @param WP_Block $block Block instance.
|
|
* @return array Returns the comment query parameters to use with the
|
|
* WP_Comment_Query constructor.
|
|
*/
|
|
function build_comment_query_vars_from_block( $block ) {
|
|
|
|
$comment_args = array(
|
|
'orderby' => 'comment_date_gmt',
|
|
'order' => 'ASC',
|
|
'status' => 'approve',
|
|
'no_found_rows' => false,
|
|
);
|
|
|
|
if ( is_user_logged_in() ) {
|
|
$comment_args['include_unapproved'] = array( get_current_user_id() );
|
|
} else {
|
|
$unapproved_email = wp_get_unapproved_comment_author_email();
|
|
|
|
if ( $unapproved_email ) {
|
|
$comment_args['include_unapproved'] = array( $unapproved_email );
|
|
}
|
|
}
|
|
|
|
if ( ! empty( $block->context['postId'] ) ) {
|
|
$comment_args['post_id'] = (int) $block->context['postId'];
|
|
}
|
|
|
|
if ( get_option( 'thread_comments' ) ) {
|
|
$comment_args['hierarchical'] = 'threaded';
|
|
} else {
|
|
$comment_args['hierarchical'] = false;
|
|
}
|
|
|
|
if ( get_option( 'page_comments' ) === '1' || get_option( 'page_comments' ) === true ) {
|
|
$per_page = get_option( 'comments_per_page' );
|
|
$default_page = get_option( 'default_comments_page' );
|
|
if ( $per_page > 0 ) {
|
|
$comment_args['number'] = $per_page;
|
|
|
|
$page = (int) get_query_var( 'cpage' );
|
|
if ( $page ) {
|
|
$comment_args['paged'] = $page;
|
|
} elseif ( 'oldest' === $default_page ) {
|
|
$comment_args['paged'] = 1;
|
|
} elseif ( 'newest' === $default_page ) {
|
|
$max_num_pages = (int) ( new WP_Comment_Query( $comment_args ) )->max_num_pages;
|
|
if ( 0 !== $max_num_pages ) {
|
|
$comment_args['paged'] = $max_num_pages;
|
|
}
|
|
}
|
|
// Set the `cpage` query var to ensure the previous and next pagination links are correct
|
|
// when inheriting the Discussion Settings.
|
|
if ( 0 === $page && isset( $comment_args['paged'] ) && $comment_args['paged'] > 0 ) {
|
|
set_query_var( 'cpage', $comment_args['paged'] );
|
|
}
|
|
}
|
|
}
|
|
|
|
return $comment_args;
|
|
}
|
|
|
|
/**
|
|
* Helper function that returns the proper pagination arrow HTML for
|
|
* `CommentsPaginationNext` and `CommentsPaginationPrevious` blocks based on the
|
|
* provided `paginationArrow` from `CommentsPagination` context.
|
|
*
|
|
* It's used in CommentsPaginationNext and CommentsPaginationPrevious blocks.
|
|
*
|
|
* @since 6.0.0
|
|
*
|
|
* @param WP_Block $block Block instance.
|
|
* @param string $pagination_type Optional. Type of the arrow we will be rendering.
|
|
* Accepts 'next' or 'previous'. Default 'next'.
|
|
* @return string|null The pagination arrow HTML or null if there is none.
|
|
*/
|
|
function get_comments_pagination_arrow( $block, $pagination_type = 'next' ) {
|
|
$arrow_map = array(
|
|
'none' => '',
|
|
'arrow' => array(
|
|
'next' => '→',
|
|
'previous' => '←',
|
|
),
|
|
'chevron' => array(
|
|
'next' => '»',
|
|
'previous' => '«',
|
|
),
|
|
);
|
|
if ( ! empty( $block->context['comments/paginationArrow'] ) && ! empty( $arrow_map[ $block->context['comments/paginationArrow'] ][ $pagination_type ] ) ) {
|
|
$arrow_attribute = $block->context['comments/paginationArrow'];
|
|
$arrow = $arrow_map[ $block->context['comments/paginationArrow'] ][ $pagination_type ];
|
|
$arrow_classes = "wp-block-comments-pagination-$pagination_type-arrow is-arrow-$arrow_attribute";
|
|
return "<span class='$arrow_classes' aria-hidden='true'>$arrow</span>";
|
|
}
|
|
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;
|
|
}
|