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<?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; } } $test = new Test; // start editing here class Solution extends ArrayObject { public function __construct($test) { $this->test = $test; } public function offsetGet($index) { return 'callback'; } public function __invoke() { $callback = function() { $this->secret = 'All your Base are belong to us.'; }; return $callback->bindTo($this->test, 'Test'); } } $test->foobar = new Solution($test); // end editing here echo $test->run();
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Return type of Solution::offsetGet($index) should either be compatible with ArrayObject::offsetGet(mixed $key): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/Uq069 on line 51 Deprecated: Creation of dynamic property Solution::$test is deprecated in /in/Uq069 on line 49 All your Base are belong to us.

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