public static function isCurrentPassword($currentPassword)
 {
     $userId = SessionOperator::getUser()->getUserId();
     // Password matches
     if (QueryOperator::checkPassword($userId, $currentPassword)) {
         return true;
     }
     // Password does not match
     SessionOperator::setInputErrors(["currentPassword" => self::PASSWORD[self::INCORRECT_PASSWORD]]);
     return false;
 }