285  * Removes all cache items in a group, if the object cache implementation supports it.

   286  *

   287  * Before calling this function, always check for group flushing support using the

   288  * `wp_cache_supports( 'flush_group' )` function.

   289  *

   290  * @since 6.1.0

   291  *

   292  * @see WP_Object_Cache::flush_group()

   293  * @global WP_Object_Cache $wp_object_cache Object cache global instance.

   294  *

   295  * @param string $group Name of group to remove from cache.

   296  * @return bool True if group was flushed, false otherwise.

   297  */

   298 function wp_cache_flush_group( $group ) {

   299 	global $wp_object_cache;

   300 

   301 	return $wp_object_cache->flush_group( $group );

   302 }

   303 

   304 /**

   305  * Determines whether the object cache implementation supports a particular feature.

   306  *

   307  * @since 6.1.0

   308  *

   309  * @param string $feature Name of the feature to check for. Possible values include:

   310  *                        'add_multiple', 'set_multiple', 'get_multiple', 'delete_multiple',

   311  *                        'flush_runtime', 'flush_group'.

   312  * @return bool True if the feature is supported, false otherwise.

   313  */

   314 function wp_cache_supports( $feature ) {

   315 	switch ( $feature ) {

   316 		case 'add_multiple':

   317 		case 'set_multiple':

   318 		case 'get_multiple':

   319 		case 'delete_multiple':

   320 		case 'flush_runtime':

   321 		case 'flush_group':

   322 			return true;

   323 

   324 		default:

   325 			return false;

   326 	}

   327 }

   328 

   329 /**