CI_Cache::is_supported PHP Method

is_supported() public method

Is the requested driver supported in this environment?
public is_supported ( string $driver ) : array
$driver string The driver to test
return array
    public function is_supported($driver)
    {
        static $support;
        if (!isset($support, $support[$driver])) {
            $support[$driver] = $this->{$driver}->is_supported();
        }
        return $support[$driver];
    }