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<?php interface EntityInterface { public function getId(): string; } /** * @phpstan-template T of EntityInterface */ interface RepositoryInterface { /** * @return T|null */ public function byId(string $id); } class Foo implements EntityInterface { public function getId(): string { return '42'; } } /** * @phpstan-implements RepositoryInterface<Foo> */ final class FooRepository implements RepositoryInterface { /** * @var Foo[] */ public array $elements = []; public function byId(string $id): ?Foo { return $this->elements[$id] ?? null; } }
Snippet created on December 18 2022 at 15:01 UTC
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