PrivateBin\Data\Filesystem::_isSecondLevelDir PHP Метод

Check that the given element is a valid second level directory.

private static _isSecondLevelDir ( string $element ) : boolean
$element	string
Результат	boolean

    private static function _isSecondLevelDir($element)
    {
        return (bool) preg_match('/^[a-f0-9]{2}$/', $element);
    }

Filesystem