A WordPress-centric search engine for devs and theme authors

wp_has_border_feature_support › WordPress Function

wp_has_border_feature_support ( $block_type, $feature, $default_value = false )
  • private
Parameters: (3)
  • (WP_Block_Type) $block_type Block type to check for support.
    Required: Yes
  • (string) $feature Name of the feature to check support for.
    Required: Yes
  • (mixed) $default_value Fallback value for feature support, defaults to false.
    Required: No
    Default: false
  • (bool) Whether the feature is supported.
Defined at:

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.


function wp_has_border_feature_support( $block_type, $feature, $default_value = false ) {
	// Check if all border support features have been opted into via `"__experimentalBorder": true`.
	if ( $block_type instanceof WP_Block_Type ) {
		$block_type_supports_border = isset( $block_type->supports['__experimentalBorder'] )
			? $block_type->supports['__experimentalBorder']
			: $default_value;
		if ( true === $block_type_supports_border ) {
			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_value );