/**
* Salt for hashing operations
*/
- private $salt = "";
+ private $salt = '';
/**
* Protected constructor
* @param $oldHash A hash from previous hashed string
* @return $hashed The hashed and salted string
*/
- public function hashString ($str, $oldHash = "") {
+ public function hashString ($str, $oldHash = '') {
// Cast the string
$str = (string) $str;