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<?php abstract class AbstractConfirmCommand { public function __construct(protected RequestSenderInterface $s) {} } class BookingConfirmCommand extends AbstractConfirmCommand { public function __construct(ConfirmRequestSender $s) { parent::__construct($s); } } /** * @template-covariant T of \Iterator */ interface RequestSenderInterface { /** @return T */ public function send(): \Iterator; } /** * @implements RequestSenderInterface<\ArrayIterator> */ class ConfirmRequestSender implements RequestSenderInterface { public function send(): \Iterator { return new \ArrayIterator(); } }
Snippet created on March 26 2022 at 05:07 UTC
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