WP_Block_Supports

17#[AllowDynamicProperties]18class WP_Block_Supports {19 20	/**21	 * Config.22	 *23	 * @since 5.6.024	 * @var array25	 */26	private $block_supports = array();27 28	/**29	 * Tracks the current block to be rendered.30	 *31	 * @since 5.6.032	 * @var array33	 */34	public static $block_to_render = null;35 36	/**37	 * Container for the main instance of the class.38	 *39	 * @since 5.6.040	 * @var WP_Block_Supports|null41	 */42	private static $instance = null;43 44	/**45	 * Utility method to retrieve the main instance of the class.46	 *47	 * The instance will be created if it does not exist yet.48	 *49	 * @since 5.6.050	 *51	 * @return WP_Block_Supports The main instance.52	 */53	public static function get_instance() {54		if ( null === self::$instance ) {55			self::$instance = new self();56		}57 58		return self::$instance;59	}60 61	/**62	 * Initializes the block supports. It registers the block supports block attributes.63	 *64	 * @since 5.6.065	 */66	public static function init() {67		$instance = self::get_instance();68		$instance->register_attributes();69	}70 71	/**72	 * Registers a block support.73	 *74	 * @since 5.6.075	 *76	 * @link https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/77	 *78	 * @param string $block_support_name   Block support name.79	 * @param array  $block_support_config Array containing the properties of the block support.80	 */81	public function register( $block_support_name, $block_support_config ) {82		$this->block_supports[ $block_support_name ] = array_merge(83			$block_support_config,84			array( 'name' => $block_support_name )85		);86	}87 88	/**89	 * Generates an array of HTML attributes, such as classes, by applying to90	 * the given block all of the features that the block supports.91	 *92	 * @since 5.6.093	 *94	 * @return string[] Array of HTML attribute values keyed by their name.95	 */96	public function apply_block_supports() {