Online PHP editor | output for Y6GhI

<?php class Person { private $name; public function __construct($name) { $this->name = $name; } public function getName() { return $this->name; } public function getTitle() { return $this->getName()." the person"; } public function sayHello() { echo "Hello, I'm ".$this->getTitle()."<br/>"; } public function sayGoodbye() { echo "Goodbye from ".self::getTitle()."<br/>"; } } class Geek extends Person { public function __construct($name) { parent::__construct($name); } public function getTitle() { return $this->getName()." the geek"; } } $geekObj = new Geek("Ludwig"); $geekObj->sayHello(); $geekObj->sayGoodbye();