Question

class Foo {
    private $_bar;

    public function getBar() {
        return $this->_bar;
    }
}
$b = new Foo(); 
$b->xxx(); //xxx is an udefined method.

How to enhance the following class to throw a notice if undefined methods is called?

Answer 1

class Foo {
    private $_bar;

    public function getBar() {
        return $this->_bar;
    }

    public function __call($name, $params)
    {
       throw new Exception("Method $name does not exists!");
    }
}