genericsPHP7Before.php

<?php
 
$car = new Car(4, 'Honda');
 
class Car
{
    private $wheels;
    private $engine;
 
    public function __construct(int $wheels, string $engine)
    {
        $this->wheels = $wheels;
        $this->engine = $engine;
    }
 
    public function getWheels(): int
    {
        return $this->wheels;
    }
 
    public function getEngine(): string
    {
        return $this->engine;
    }
}