/**
* @param string $backend
* @param array $backendOptions
*
* @return Zend_Cache_Backend
*/
private function createBackend($backend,
$backendOptions) { if (strtolower($backend) === 'auto'
) { $backend =
$this->
createAutomaticBackend($backendOptions);
} else { if (strtolower($backend) === 'apc'
) { $backend = 'apcu';
} $backend = Zend_Cache::
_makeBackend($backend,
$backendOptions);
} return $backend;
}