* Block support utility functions.
* @subpackage Block Supports
* Checks whether serialization of the current block's supported properties
* @param WP_Block_Type $block_type Block type.
* @param string $feature_set Name of block support feature set..
* @param string $feature Optional name of individual feature to check.
* @return bool Whether to serialize block support styles & classes.
function wp_should_skip_block_supports_serialization( $block_type, $feature_set, $feature = null ) {
if ( ! is_object( $block_type ) || ! $feature_set ) {
$path = array( $feature_set, '__experimentalSkipSerialization' );
$skip_serialization = _wp_array_get( $block_type->supports, $path, false );
if ( is_array( $skip_serialization ) ) {
return in_array( $feature, $skip_serialization, true );
return $skip_serialization;