3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $class_aliases = [ 'FooAlias' => 'Foo' ]; $alias_loader = function($class) use ($class_aliases) { if (isset($class_aliases[$class])) { class_alias($class_aliases[$class], $class); return true; } }; spl_autoload_register($alias_loader); class Foo {} class FooCreator { public function create(FooAlias $foo) { } } ####### $foo = new Bar; $creator = new FooCreator(); $creator->create($foo);
based on JFHdF
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Class 'Bar' not found in /in/WAnd2:29 Stack trace: #0 {main} thrown in /in/WAnd2 on line 29
Process exited with code 255.
Output for 5.4.9 - 5.6.28
Fatal error: Class 'Bar' not found in /in/WAnd2 on line 29
Process exited with code 255.
Output for 5.3.19 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/WAnd2 on line 3
Process exited with code 255.