| <?php |
| |
| declare(strict_types=1); |
| |
| namespace Psr\Container; |
| |
| /** |
| * Describes the interface of a container that exposes methods to read its entries. |
| */ |
| interface ContainerInterface |
| { |
| /** |
| * Finds an entry of the container by its identifier and returns it. |
| * |
| * @param string $id Identifier of the entry to look for. |
| * |
| * @throws NotFoundExceptionInterface No entry was found for **this** identifier. |
| * @throws ContainerExceptionInterface Error while retrieving the entry. |
| * |
| * @return mixed Entry. |
| */ |
| public function get(string $id); |
| |
| /** |
| * Returns true if the container can return an entry for the given identifier. |
| * Returns false otherwise. |
| * |
| * `has($id)` returning true does not mean that `get($id)` will not throw an exception. |
| * It does however mean that `get($id)` will not throw a `NotFoundExceptionInterface`. |
| * |
| * @param string $id Identifier of the entry to look for. |
| * |
| * @return bool |
| */ |
| public function has(string $id); |
| } |