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run code in 150+ php & hhvm versions
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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; //} } $test = new Test; // start editing here //$test->$callback = $test->__set($test, 'Lbhe Onfr orybatf gb zr abj'); $test->secret = 'Lbhe Onfr orybatf gb zr abj'; // end editing here echo $test->run();
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Cannot access private property Test::$secret in /in/T1kGX:47 Stack trace: #0 {main} thrown in /in/T1kGX on line 47
Process exited with code 255.
Output for hhvm-3.10.0 - 3.12.0
Fatal error: Cannot access protected property in /in/T1kGX on line 47
Process exited with code 255.
Output for 5.0.0 - 5.6.28
Fatal error: Cannot access private property Test::$secret in /in/T1kGX on line 47
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/T1kGX on line 21
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/T1kGX on line 21
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/T1kGX on line 21
Process exited with code 255.