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; $this->e = new E;}}'); else if ($className == 'B') eval('class B { function __wakeup(){echo "B::__wakeup"; throw new ReactException;}}'); else if ($className == 'D') eval('class D { function __wakeup(){echo "D::__wakeup";}}'); else if ($className == 'E') eval('class E extends D { function __wakeup(){echo "E::__wakeup";}}'); else if ($className == 'ReactException') eval('class ReactException{}'); echo "loaded $className: " . class_exists($className, false) . "\n"; return true; } unserialize('O:6:"Wakeup":2:{s:1:"b";O:1:"B":0:{}s:1:"e";O:1:"E":0:{}}');
Output for 7.0.0 - 7.1.0
loading Wakeup loaded Wakeup: 1 loading B loaded B: 1 B::__wakeuploading ReactException loaded ReactException: 1 Fatal error: Uncaught Error: Cannot throw objects that do not implement Throwable in /in/4VBJ5(12) : eval()'d code:1 Stack trace: #0 [internal function]: B->__wakeup() #1 /in/4VBJ5(24): unserialize('O:6:"Wakeup":2:...') #2 {main} thrown in /in/4VBJ5(12) : eval()'d code on line 1
Process exited with code 255.
Output for 5.1.0 - 5.6.28
loading Wakeup loaded Wakeup: 1 loading B loaded B: 1 B::__wakeuploading ReactException loaded ReactException: 1 Fatal error: Exceptions must be valid objects derived from the Exception base class in /in/4VBJ5(12) : eval()'d code on line 1
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined function spl_autoload_register() in /in/4VBJ5 on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: spl_autoload_register() in /in/4VBJ5 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: spl_autoload_register() in /in/4VBJ5 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: spl_autoload_register() in /in/4VBJ5 on line 3