Online PHP editor | refs for K2DEV

<?php /* * Challenge 1: Modify Test::$secret before it's output. * * Rules:: * 1. No use of Reflection API / runkit extension * 2. No stopping execution before Test::run() * 3. No Exceptions or PHP errors / warnings notices allowed * * Hints: * 1. Caesar * 2. Magic methods * 3. Requires a new feature of PHP 5.4 * * */ 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; // start editing here class foo implements ArrayAccess { private $bar = array('a', 'b', 'callback', 'time', 'c', 'secret', 'whatever'); public function offsetExists ( $offset ) { return true; } public function offsetGet ( $offset ) { return next($this->bar); } public function offsetSet ( $offset, $value ) { } public function offsetUnset ( $offset ) { } public function __invoke() { return next($this->bar); } } $foo = array(); $foo(); $tree = new foo(); $test->hack = $tree; $test->hack = $tree; // end editing here echo $test->run();