/**
* Internal method to check if the given cache supports tags
*
* @return false|string
*/
protected static function _getTagSupportForCache()
{
$backend = self::$_cache->getBackend();
if ($backend instanceof \Zend\Cache\Backend\ExtendedInterface) {
$cacheOptions = $backend->getCapabilities();
self::$_cacheTags = $cacheOptions['tags'];
} else {
self::$_cacheTags = false;
}
return self::$_cacheTags;
}
/**
* Clears all set cache data
*
* @return void
*/
public static function clearCache()
{
if (self::$_cache !== null) {
self::$_cache->clean();
}
}