}
public function reverse()
{
echo "Reversing...<br>";
$this->miles -= 5;
if ($this->miles < 0) {
$this->miles = 0;
}
return $this;
}
}
$bike1 = new Bike(200, "25mph");
$bike2 = new Bike(100, "20mph");
$bike3 = new Bike(250, "40mph");
$bike1->drive();
$bike1->drive();
$bike1->drive();
$bike1->reverse();
$bike1->displayinfo();
echo "<br>";
$bike2->drive();
$bike2->drive();
$bike2->reverse();
$bike2->reverse();
$bike2->displayinfo();
echo "<br>";
$bike3->reverse();
$bike3->reverse();
$bike3->reverse();
$bike3->displayinfo();
