Online PHP editor | refs for QFUHb

@ 2015-10-06T13:57:13Z

<?php
class GenericMessage { 
    protected $q; 
}

class Message extends GenericMessage { 
    protected $p; 
    public function __set ($key, $value) { 
        if (!property_exists($this, $key)) { 
            echo "Key {$key} not found";
        }
    }
}

$m = new Message;
$m->p = 'p';
$m->q = 'q';