132 lines
4.1 KiB
PHP
132 lines
4.1 KiB
PHP
<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName // Needed for WP_Block_Cloner helper class.
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/**
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* Server-side rendering of the `core/block` block.
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*
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* @package WordPress
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*/
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/**
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* Renders the `core/block` block on server.
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*
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* @since 5.0.0
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*
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* @global WP_Embed $wp_embed
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*
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* @param array $attributes The block attributes.
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*
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* @return string Rendered HTML of the referenced block.
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*/
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function render_block_core_block( $attributes, $content, $block_instance ) {
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static $seen_refs = array();
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if ( empty( $attributes['ref'] ) ) {
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return '';
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}
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$reusable_block = get_post( $attributes['ref'] );
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if ( ! $reusable_block || 'wp_block' !== $reusable_block->post_type ) {
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return '';
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}
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if ( isset( $seen_refs[ $attributes['ref'] ] ) ) {
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// WP_DEBUG_DISPLAY must only be honored when WP_DEBUG. This precedent
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// is set in `wp_debug_mode()`.
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$is_debug = WP_DEBUG && WP_DEBUG_DISPLAY;
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return $is_debug ?
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// translators: Visible only in the front end, this warning takes the place of a faulty block.
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__( '[block rendering halted]' ) :
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'';
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}
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if ( 'publish' !== $reusable_block->post_status || ! empty( $reusable_block->post_password ) ) {
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return '';
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}
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$seen_refs[ $attributes['ref'] ] = true;
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// Handle embeds for reusable blocks.
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global $wp_embed;
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$content = $wp_embed->run_shortcode( $reusable_block->post_content );
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$content = $wp_embed->autoembed( $content );
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// Back compat.
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// For blocks that have not been migrated in the editor, add some back compat
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// so that front-end rendering continues to work.
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// This matches the `v2` deprecation. Removes the inner `values` property
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// from every item.
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if ( isset( $attributes['content'] ) ) {
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foreach ( $attributes['content'] as &$content_data ) {
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if ( isset( $content_data['values'] ) ) {
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$is_assoc_array = is_array( $content_data['values'] ) && ! wp_is_numeric_array( $content_data['values'] );
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if ( $is_assoc_array ) {
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$content_data = $content_data['values'];
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}
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}
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}
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}
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// This matches the `v1` deprecation. Rename `overrides` to `content`.
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if ( isset( $attributes['overrides'] ) && ! isset( $attributes['content'] ) ) {
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$attributes['content'] = $attributes['overrides'];
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}
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// Apply Block Hooks.
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$content = apply_block_hooks_to_content_from_post_object( $content, $reusable_block );
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/**
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* We attach the blocks from $content as inner blocks to the Synced Pattern block instance.
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* This ensures that block context available to the Synced Pattern block instance is provided to
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* those blocks.
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*/
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$block_instance->parsed_block['innerBlocks'] = parse_blocks( $content );
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$block_instance->parsed_block['innerContent'] = array_fill( 0, count( $block_instance->parsed_block['innerBlocks'] ), null );
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if ( method_exists( $block_instance, 'refresh_context_dependents' ) ) {
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// WP_Block::refresh_context_dependents() was introduced in WordPress 6.8.
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$block_instance->refresh_context_dependents();
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} else {
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// This branch can be removed once Gutenberg requires WordPress 6.8 or later.
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if ( ! class_exists( 'WP_Block_Cloner' ) ) {
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// phpcs:ignore Gutenberg.Commenting.SinceTag.MissingClassSinceTag
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class WP_Block_Cloner extends WP_Block {
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/**
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* Static methods of subclasses have access to protected properties
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* of instances of the parent class.
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* In this case, this gives us access to `available_context` and `registry`.
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*/
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// phpcs:ignore Gutenberg.Commenting.SinceTag.MissingMethodSinceTag
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public static function clone_instance( $instance ) {
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return new WP_Block(
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$instance->parsed_block,
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$instance->available_context,
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$instance->registry
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);
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}
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}
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}
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$block_instance = WP_Block_Cloner::clone_instance( $block_instance );
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}
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$content = $block_instance->render( array( 'dynamic' => false ) );
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unset( $seen_refs[ $attributes['ref'] ] );
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return $content;
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}
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/**
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* Registers the `core/block` block.
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*
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* @since 5.3.0
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*/
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function register_block_core_block() {
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register_block_type_from_metadata(
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__DIR__ . '/block',
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array(
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'render_callback' => 'render_block_core_block',
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)
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);
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}
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add_action( 'init', 'register_block_core_block' );
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