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- <?php
- /**
- * Server-side rendering of the `core/block` block.
- *
- * @package WordPress
- */
- /**
- * Renders the `core/block` block on server.
- *
- * @param array $attributes The block attributes.
- *
- * @return string Rendered HTML of the referenced block.
- */
- function render_block_core_block( $attributes ) {
- 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 = defined( 'WP_DEBUG' ) && WP_DEBUG &&
- defined( 'WP_DEBUG_DISPLAY' ) && 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 );
- $content = do_blocks( $content );
- unset( $seen_refs[ $attributes['ref'] ] );
- return $content;
- }
- /**
- * Registers the `core/block` block.
- */
- 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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