PHP, __call and access protection.

lolphp.php

<?php

class B {
    public function __call($fn, $args) {
        $c = array($this, 'hello');
        $c();
    }

    private function hello() {
        echo "hello B\n";
    }

    private function goodbye() {
        echo "goodbye B\n";
    }
}

$b = new B;
$b->hello();

$fn = array($b, 'goodbye');
$fn();

stdout.txt

hello B
hello B