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<?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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/** |
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* Registers the `core/pattern` block on the server. |
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* |
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* @since 5.9.0 |
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*/ |
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function gutenberg_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' => 'gutenberg_render_block_core_pattern', |
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) |
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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 gutenberg_render_block_core_pattern( $attributes ) { |
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static $seen_refs = array(); |
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|
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if ( empty( $attributes['slug'] ) ) { |
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return ''; |
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} |
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|
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$slug = $attributes['slug']; |
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$registry = WP_Block_Patterns_Registry::get_instance(); |
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|
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if ( ! $registry->is_registered( $slug ) ) { |
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return ''; |
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} |
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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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|
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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"]' ), $slug ) : |
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''; |
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} |
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|
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$pattern = $registry->get_registered( $slug ); |
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$content = $pattern['content']; |
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|
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$seen_refs[ $attributes['slug'] ] = true; |
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|
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$content = do_blocks( $content ); |
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|
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global $wp_embed; |
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$content = $wp_embed->autoembed( $content ); |
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|
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unset( $seen_refs[ $attributes['slug'] ] ); |
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return $content; |
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} |
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|
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add_action( 'init', 'gutenberg_register_block_core_pattern', 20 ); |
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|
