<?php include 'inc/class.pet.php'; include 'inc/class.canadianpet.php'; include 'inc/class.apple.php'; $sam = new Pet('Sam'); $apple = new Apple(); $sam->eatApple($apple); echo $sam->getEnergy(); //echo Pet::getPetsCreatedTotal();
<?php class Apple { public $calories = 100; } class pet { private $energy; public function eatApple(Apple $apple) { $this->energy += $apple->calories; } public function getEnergy() { return 'Current Energy: ' . $this->energy . '<br>'; } } $jack = new Pet('Jack'); $apple = new Apple(); $jack->eatApple(new Apple()); echo $jack->getEnergy();