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<?php |
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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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/** |
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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 gutenberg_render_block_core_block( $attributes ) { |
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static $seen_refs = array(); |
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|
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if ( empty( $attributes['ref'] ) ) { |
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return ''; |
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} |
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|
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$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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|
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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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|
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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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|
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if ( 'publish' !== $reusable_block->post_status || ! empty( $reusable_block->post_password ) ) { |
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return ''; |
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} |
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|
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$seen_refs[ $attributes['ref'] ] = true; |
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|
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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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|
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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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|
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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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|
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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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|
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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'] = $attributes['overrides']; |
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} |
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|
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/** |
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* We set the `pattern/overrides` context through the `render_block_context` |
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* filter so that it is available when a pattern's inner blocks are |
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* rendering via do_blocks given it only receives the inner content. |
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*/ |
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$has_pattern_overrides = isset( $attributes['content'] ) && null !== get_block_bindings_source( 'core/pattern-overrides' ); |
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if ( $has_pattern_overrides ) { |
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$filter_block_context = static function ( $context ) use ( $attributes ) { |
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$context['pattern/overrides'] = $attributes['content']; |
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return $context; |
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}; |
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add_filter( 'render_block_context', $filter_block_context, 1 ); |
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} |
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|
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$content = do_blocks( $content ); |
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unset( $seen_refs[ $attributes['ref'] ] ); |
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|
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if ( $has_pattern_overrides ) { |
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remove_filter( 'render_block_context', $filter_block_context, 1 ); |
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} |
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|
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return $content; |
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} |
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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 gutenberg_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' => 'gutenberg_render_block_core_block', |
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) |
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); |
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} |
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add_action( 'init', 'gutenberg_register_block_core_block', 20 ); |
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|
