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<?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) { $this->secret = 'hello'; } } $test = new Test; // class todo extends Test{ public function __set($k, $v){ $this->{$k} = $v; } } $test->secret = 's'; // end editing here echo $test->run();
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: call_user_func(): Argument #1 ($callback) must be a valid callback, no array or string given in /in/EpX4t:11 Stack trace: #0 /in/EpX4t(43): Test->run() #1 {main} thrown in /in/EpX4t on line 11
Process exited with code 255.

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