Online PHP editor | output for BntCX

<?php class Bear { private $age = 0; public function setAge($age) { if ($age < 0) { throw new Exception('Bear cannot have negative age dumbass'); } $this->age = $age; } public function getAge() { return $this->age; } } class BlackBear extends Bear { private $name; public function setNameAndAge($name, $age) { $this->name = $name; $this->setAge($age); } } $bear1 = new Bear(); $bear1->setAge(35); $bear2 = new BlackBear(); $bear2->setNameAndAge('Harry', 45); var_dump($bear1->getAge()); var_dump($bear2->getAge());