    public static function is_same($p1, $p2){
        if($p1 == $p2){
            return true;
        }else{
            return false;
        }
    }

The software constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component.