PHP - 在调用时将Argument传递给类__construct？

class Portfolio extends Rest{   
    public $pdo;
    public $lanx;

    public function __construct($uid, $langx){
        $this->lanx = $langx;
        $db = Database::getInstance();
        $this->pdo = $db->getConnection();
    }

When I call a function from Portfolio

Portfolio::newItem();

how can I pass $uid and $langx to the class?

Portfolio $p = new newItem($uid, $langx);

$object = new MyClass($param1, $param2);

Just do it like calling a function. Also take note of the "required" and "optional" parameters for that construct.

Its a better option to invoke static method with parameters like this:

Portfolio::newItem($uid, $langx);

in Method Definition:

public static function newItem($uid = null, $langx = null) {
    //Check Vars are set or not if not set them 
    //If all vars passed null and not sett in class throw exception
}