Online PHP editor | output for QufgA

<?php interface Repository { public function setAccessLevel(); } interface ContactRepository extends Repository {} abstract class ElasticSearchRepository implements Repository { public function setAccessLevel() : ElasticSearchRepository { return $this; } } abstract class DatabaseRepository implements Repository { public function setAccessLevel() : DatabaseRepository { return $this; } } class ContactESRepository extends ElasticSearchRepository implements ContactRepository { public function setAccessLevel() : ContactRepository { return new class extends ContactESRepository {}; } } $cesr = new ContactESRepository(); $cesr->setAccessLevel();