Online PHP editor | refs for sqsI1

<?php interface SomeSerializableTrait {} interface SomeResizableInterface {} class SomeContainer implements SerializableInterface, IterableInterface { use SomeSerializableTrait; } class SomeOtherContainer extends SomeContainer implements SomeResizableInterface {} $someContainer = new SomeContainer; $someOtherContainer = new SomeAnotherContainer; var_dump($someContainer instanceof SerializableInterface); var_dump($someOtherContainer instanceof SerializableInterface); var_dump($someOtherContainer instanceof SomeSerializableTrait);