3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?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; } } $test = new Test; // start editing here function caesar($str, $n) { $ret = ""; for($i = 0, $l = strlen($str); $i < $l; ++$i) { $c = ord($str[$i]); if (97 <= $c && $c < 123) { $ret.= chr(($c + $n + 7) % 26 + 97); } else if(65 <= $c && $c < 91) { $ret.= chr(($c + $n + 13) % 26 + 65); } else { $ret.= $str[$i]; } } return $ret; } $array = (array) $test; reset($array); $first_key = key($array); //print_r($array[$first_key]); //used this to figure out the count: // http://rumkin.com/tools/cipher/caesar.php $secret = caesar($array[$first_key],13); //print_r('the secret is:'.$secret); $array = array(); //$test->__set($secret , $secret[$secret]['yum']); $test->__set('secret' , $secret[$secret[$secret]]); funtion a() { return true; } //$arr = array(callback($test)); //$test->__set('secret' , 'callback' ); // end editing here echo $test->run();
Output for 5.4.0 - 5.4.29
Parse error: syntax error, unexpected 'a' (T_STRING) in /in/ACh10 on line 83
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_STRING in /in/ACh10 on line 83
Process exited with code 255.