3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php spl_autoload_register('loader'); function loader($className) { echo "loading $className\n"; if ($className == 'Wakeup') eval('class Wakeup {public $b; public $e; function __construct(){$this->b = new B; $this->e = new E;} function __wakeup(){var_dump($this->b, $this->e);}}'); else if ($className == 'B') eval('class B { function __wakeup(){echo "B::__wakeup\n"; }}'); else if ($className == 'D') eval('class D { function __wakeup(){echo "D::__wakeup\n";}}'); else if ($className == 'E') eval('class E extends D { function __wakeup(){echo "E::__wakeup\n";}}'); else if ($className == 'ReactException') eval('class ReactException extends Exception{}'); echo "loaded $className: " . class_exists($className, false) . "\n"; return true; } try { unserialize('O:6:"Wakeup":2:{s:1:"b";O:1:"B":0:{}s:1:"e";O:1:"E":0:{}}'); } catch (Exception $e) { echo $e; exit('success'); } echo 'fail';
Output for 5.1.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
loading Wakeup loaded Wakeup: 1 loading B loaded B: 1 B::__wakeup loading E loading D loaded D: 1 loaded E: 1 E::__wakeup object(B)#2 (0) { } object(E)#3 (0) { } fail
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined function spl_autoload_register() in /in/OLDHs on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '{' in /in/OLDHs on line 25
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected '{' in /in/OLDHs on line 25
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/OLDHs on line 25
Process exited with code 255.