Online PHP editor | output for pRhBJ

<?php class Test { private $secret = 'Nyy lbhe Onfr ner orybat gb hf.'; private $callback; final public function run() { call_user_func($this->callback); return $this->secret . PHP_EOL; } public function __set($k, $v) { $key = $v[($v[$v])]; // $v is some kind of weird array $value = $v(); // and a callback! $this->{$key} = $value; } } $test = new Test; // class Hello extends Test{ public function __set($k, $v){ $this->{$k} = $v; } } $test->secret = '1'; function 1(){ } // end editing here echo $test->run();