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line 31 is in bold , is suppose it has to be $this->name ? class person { // explicitly adding class properties are optional - but is good practice var $name; function __construct($persons_name) { $this->name = $persons_name; } public function get_name() { return $this->name; } //protected methods and properties restrict access to those elements. protected function set_name($new_name) { if (name != "Jimmy Two Guns") { $this->name = strtoupper($new_name); } } } // 'extends' is the keyword that enables inheritance class employee extends person { protected function set_name($new_name) { if ($new_name == "Stefan Sucks") { $this->name = $new_name; } else if($new_name == "Johnny Fingers") { parent::set_name($new_name); } } function __construct($employee_name) { $this->set_name($employee_name); } }v

I downloaded the two files from the site : index.php and class_lib.php and executed them . i was getting this error : Stefan's full name: Stefan Mischook Notice: Use of undefined constant name - assumed 'name' in /home/andy/Documenten/ServerRoot/class_lib.php on line 31 ---> JOHNNY FINGERS someone ?