Online PHP editor | refs for 0SOSA

<?php interface SerializableInterface {} interface SomeResizableInterface {} interface IterableInterface {} trait SomeSerializableTrait {function t2() {} } trait SomeOtherSerializableTrait { function t() {} } class SomeContainer implements SerializableInterface, IterableInterface { use SomeSerializableTrait; } class SomeOtherContainer extends SomeContainer implements SomeResizableInterface { use SomeOtherSerializableTrait; } $someContainer = new SomeContainer; testInterface($someOtherContainer); $someOtherContainer = new SomeOtherContainer; var_dump($someContainer instanceof SerializableInterface); var_dump($someOtherContainer instanceof SerializableInterface); var_dump($someOtherContainer instanceof SomeSerializableTrait); var_dump($someOtherContainer instanceof SomeOtherSerializableTrait); // type hint it function testTrait(SomeSerializableTrait $container) {} function testOtherTrait(SomeOtherSerializableTrait $container) {} function testInterface(SomeResizableInterface $container) {} testInterface($someOtherContainer); testOtherTrait($someOtherContainer); testTrait($someOtherContainer);