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Editing: block.php
<?php /** * Server-side rendering of the `core/block` block. * * @package WordPress */ /** * Renders the `core/block` block on server. * * @since 5.0.0 * * @global WP_Embed $wp_embed * * @param array $attributes The block attributes. * * @return string Rendered HTML of the referenced block. */ function render_block_core_block( $attributes, $content, $block_instance ) { static $seen_refs = array(); if ( empty( $attributes['ref'] ) ) { return ''; } $reusable_block = get_post( $attributes['ref'] ); if ( ! $reusable_block || 'wp_block' !== $reusable_block->post_type ) { return ''; } if ( isset( $seen_refs[ $attributes['ref'] ] ) ) { // WP_DEBUG_DISPLAY must only be honored when WP_DEBUG. This precedent // is set in `wp_debug_mode()`. $is_debug = WP_DEBUG && WP_DEBUG_DISPLAY; return $is_debug ? // translators: Visible only in the front end, this warning takes the place of a faulty block. __( '[block rendering halted]' ) : ''; } if ( 'publish' !== $reusable_block->post_status || ! empty( $reusable_block->post_password ) ) { return ''; } $seen_refs[ $attributes['ref'] ] = true; // Handle embeds for reusable blocks. global $wp_embed; $content = $wp_embed->run_shortcode( $reusable_block->post_content ); $content = $wp_embed->autoembed( $content ); // Back compat. // For blocks that have not been migrated in the editor, add some back compat // so that front-end rendering continues to work. // This matches the `v2` deprecation. Removes the inner `values` property // from every item. if ( isset( $attributes['content'] ) ) { foreach ( $attributes['content'] as &$content_data ) { if ( isset( $content_data['values'] ) ) { $is_assoc_array = is_array( $content_data['values'] ) && ! wp_is_numeric_array( $content_data['values'] ); if ( $is_assoc_array ) { $content_data = $content_data['values']; } } } } // This matches the `v1` deprecation. Rename `overrides` to `content`. if ( isset( $attributes['overrides'] ) && ! isset( $attributes['content'] ) ) { $attributes['content'] = $attributes['overrides']; } // Apply Block Hooks. $content = apply_block_hooks_to_content_from_post_object( $content, $reusable_block ); /** * We attach the blocks from $content as inner blocks to the Synced Pattern block instance. * This ensures that block context available to the Synced Pattern block instance is provided to * those blocks. */ $block_instance->parsed_block['innerBlocks'] = parse_blocks( $content ); $block_instance->parsed_block['innerContent'] = array_fill( 0, count( $block_instance->parsed_block['innerBlocks'] ), null ); $block_instance->refresh_context_dependents(); $content = $block_instance->render( array( 'dynamic' => false ) ); unset( $seen_refs[ $attributes['ref'] ] ); return $content; } /** * Registers the `core/block` block. * * @since 5.3.0 */ function register_block_core_block() { register_block_type_from_metadata( __DIR__ . '/block', array( 'render_callback' => 'render_block_core_block', ) ); } add_action( 'init', 'register_block_core_block' );
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