<?php class User { public $name; public $email; public function __construct($name, $email) { $this->name = $name; $this->email = $email; } public function sayHi() { echo "hi! my name is " . $this->name; } } class SuperUser extends User { public function supersayHi() { echo "HIIIIII my name is " . $this->name; } } $tom = new User("tom", "*****@*****.**"); $bob = new SuperUser("bob", "*****@*****.**"); echo $tom->name; echo $tom->sayHi(); echo $bob->supersayHi();