78 lines
2.1 KiB
PHP
78 lines
2.1 KiB
PHP
<?php
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/**
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* Server-side rendering of the `core/pattern` block.
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*
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* @package WordPress
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*/
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/**
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* Registers the `core/pattern` block on the server.
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*/
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function register_block_core_pattern() {
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register_block_type_from_metadata(
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__DIR__ . '/pattern',
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array(
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'render_callback' => 'render_block_core_pattern',
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)
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);
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}
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/**
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* Renders the `core/pattern` block on the server.
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*
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* @since 6.3.0 Backwards compatibility: blocks with no `syncStatus` attribute do not receive block wrapper.
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*
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* @global WP_Embed $wp_embed Used to process embedded content within patterns
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*
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* @param array $attributes Block attributes.
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*
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* @return string Returns the output of the pattern.
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*/
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function render_block_core_pattern( $attributes ) {
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static $seen_refs = array();
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if ( empty( $attributes['slug'] ) ) {
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return '';
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}
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$slug = $attributes['slug'];
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$registry = WP_Block_Patterns_Registry::get_instance();
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if ( ! $registry->is_registered( $slug ) ) {
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return '';
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}
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if ( isset( $seen_refs[ $attributes['slug'] ] ) ) {
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// WP_DEBUG_DISPLAY must only be honored when WP_DEBUG. This precedent
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// is set in `wp_debug_mode()`.
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$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. %s represents a pattern's slug.
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sprintf( __( '[block rendering halted for pattern "%s"]' ), $slug ) :
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'';
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}
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$pattern = $registry->get_registered( $slug );
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$content = $pattern['content'];
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// Backward compatibility for handling Block Hooks and injecting the theme attribute in the Gutenberg plugin.
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// This can be removed when the minimum supported WordPress is >= 6.4.
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if ( defined( 'IS_GUTENBERG_PLUGIN' ) && IS_GUTENBERG_PLUGIN && ! function_exists( 'traverse_and_serialize_blocks' ) ) {
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$blocks = parse_blocks( $content );
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$content = gutenberg_serialize_blocks( $blocks );
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}
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$seen_refs[ $attributes['slug'] ] = true;
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$content = do_blocks( $content );
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global $wp_embed;
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$content = $wp_embed->autoembed( $content );
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unset( $seen_refs[ $attributes['slug'] ] );
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return $content;
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}
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add_action( 'init', 'register_block_core_pattern' );
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