3v4l.org

run code in 300+ PHP versions simultaneously
<?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);

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