WordPress at Your Fingertips
function is not described

wp_has_border_feature_support() WP 5.8.0

Checks whether the current block type supports the border feature requested.

If the __experimentalBorder support flag is a boolean true all border support features are available. Otherwise, the specific feature's support flag nested under experimentalBorder must be enabled for the feature to be opted into.

No Hooks.


true|false. Whether or not the feature is supported.


wp_has_border_feature_support( $block_type, $feature, $default );
$block_type(WP_Block_Type) (required)
Block type to check for support.
$feature(string) (required)
Name of the feature to check support for.
Fallback value for feature support.
Default: false


Since 5.8.0 Introduced.

Code of wp_has_border_feature_support() WP 5.8.1

function wp_has_border_feature_support( $block_type, $feature, $default = false ) {
	// Check if all border support features have been opted into via `"__experimentalBorder": true`.
	if (
		property_exists( $block_type, 'supports' ) &&
		( true === _wp_array_get( $block_type->supports, array( '__experimentalBorder' ), $default ) )
	) {
		return true;

	// Check if the specific feature has been opted into individually
	// via nested flag under `__experimentalBorder`.
	return block_has_support( $block_type, array( '__experimentalBorder', $feature ), $default );