get_block_bindings_supported_attributes( string $block_type ): array

Source

function get_block_bindings_supported_attributes( $block_type ) {
	$block_bindings_supported_attributes = array(
		'core/paragraph'          => array( 'content' ),
		'core/heading'            => array( 'content' ),
		'core/image'              => array( 'id', 'url', 'title', 'alt', 'caption' ),
		'core/button'             => array( 'url', 'text', 'linkTarget', 'rel' ),
		'core/post-date'          => array( 'datetime' ),
		'core/navigation-link'    => array( 'url' ),
		'core/navigation-submenu' => array( 'url' ),
	);

	$supported_block_attributes =
		isset( $block_type, $block_bindings_supported_attributes[ $block_type ] ) ?
			$block_bindings_supported_attributes[ $block_type ] :
			array();

	/**
	 * Filters the supported block attributes for block bindings.
	 *
	 * @since 6.9.0
	 *
	 * @param string[] $supported_block_attributes The block's attributes that are supported by block bindings.
	 * @param string   $block_type                 The block type whose attributes are being filtered.
	 */
	$supported_block_attributes = apply_filters(
		'block_bindings_supported_attributes',
		$supported_block_attributes,
		$block_type
	);

	/**
	 * Filters the supported block attributes for block bindings.
	 *
	 * The dynamic portion of the hook name, `$block_type`, refers to the block type
	 * whose attributes are being filtered.
	 *
	 * @since 6.9.0
	 *
	 * @param string[] $supported_block_attributes The block's attributes that are supported by block bindings.
	 */
	$supported_block_attributes = apply_filters(
		"block_bindings_supported_attributes_{$block_type}",
		$supported_block_attributes
	);

	return $supported_block_attributes;
}

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