Example #1
0
 /**
  * Returns whether is valid user name.
  *
  * @return bool  True, if is valid user name.
  * @throws InvalidUserNameException
  */
 public function isValidUserName()
 {
     if ((bool) preg_match('#^[a-z0-9]{4,128}$#', $this->request->getUserName())) {
         return true;
     }
     throw new InvalidUserNameException();
 }