WP_Block::get_block_bindings_processor( string $block_content )

428	private static function get_block_bindings_processor( string $block_content ) {429		$internal_processor_class = new class('', WP_HTML_Processor::CONSTRUCTOR_UNLOCK_CODE) extends WP_HTML_Processor {430			/**431			 * Replace the rich text content between a tag opener and matching closer.432			 *433			 * When stopped on a tag opener, replace the content enclosed by it and its434			 * matching closer with the provided rich text.435			 *436			 * @param string $rich_text The rich text to replace the original content with.437			 * @return bool True on success.438			 */439			public function replace_rich_text( $rich_text ) {440				if ( $this->is_tag_closer() || ! $this->expects_closer() ) {441					return false;442				}443 444				$depth    = $this->get_current_depth();445				$tag_name = $this->get_tag();446 447				$this->set_bookmark( '_wp_block_bindings' );448				// The bookmark names are prefixed with `_` so the key below has an extra `_`.449				$tag_opener = $this->bookmarks['__wp_block_bindings'];450				$start      = $tag_opener->start + $tag_opener->length;451 452				// Find matching tag closer.453				while ( $this->next_token() && $this->get_current_depth() >= $depth ) {454				}455 456				if ( ! $this->is_tag_closer() || $tag_name !== $this->get_tag() ) {457					return false;458				}459 460				$this->set_bookmark( '_wp_block_bindings' );461				$tag_closer = $this->bookmarks['__wp_block_bindings'];462				$end        = $tag_closer->start;463 464				$this->lexical_updates[] = new WP_HTML_Text_Replacement(465					$start,466					$end - $start,467					$rich_text468				);469 470				return true;471			}472		};473 474		return $internal_processor_class::create_fragment( $block_content );475	}