public function __construct($x = 0, $y = 0, $z = 0) { $this->x = $x; $this->y = $y; $this->z = $z; }
public function __construct($x, $y, $z, $id, $class, $data) { parent::__construct($x, $y, $z); $this->id = $id; $this->class = $class; $this->data = $data; }