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; }"); else if ($className == 'B') eval("class B { function __wakeup(){echo 'B::__wakeup';}}"); else if ($className == 'D') eval("class D { function __wakeup(){echo 'D::__wakeup';}}"); else if ($className == 'E') eval("class E extends D { function __wakeup(){echo 'E::__wakeup';}}"); 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 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::__wakeuploading E loading D loaded D: 1 loaded E: 1 E::__wakeup
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined function spl_autoload_register() in /in/DBhLf 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/DBhLf 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/DBhLf 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/DBhLf on line 3