<?php

class Car{

    public $color;

    public $doors;

    public $model;

    function __construct($color,$doors,$model){

        $this ->color = $color;

        $this ->doors = $doors;

        $this ->model = $model;

    }

    function get_color(){

        return $this->color;

    }

} 

$red_car = new Car("Red",4,"2021");

//Output: Red

echo $red_car->get_color();

?>