public function __construct($name, $surname, $age, $salary, $gender = self::GENDER_MALE) { parent::__construct($name, $surname, $age, $gender); $this->salary = $salary; }
public function __construct($name, $surname, $age, $gender, $salary, $commision) { parent::__construct($name, $surname, $age, $gender); $this->setSalary($salary); $this->setCommision($commision); }