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- <?php
- /**
- * @license http://www.opensource.org/licenses/mit-license.php MIT (see the LICENSE file)
- */
- 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 $id Identifier of the entry to look for.
- *
- * @throws NotFoundExceptionInterface No entry was found for **this** identifier.
- * @throws ContainerExceptionInterface Error while retrieving the entry.
- *
- * @return mixed Entry.
- */
- public function get($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 $id Identifier of the entry to look for.
- *
- * @return bool
- */
- public function has($id);
- }
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