<?php/** * @license http://www.opensource.org/licenses/mit-license.php MIT (see the LICENSE file) */namespacePsr\Container;/** * Describes the interface of a container that exposes methods to read its entries. */interfaceContainerInterface{/** * Finds an entry of the container by its identifier and returns it. * * @param string $id Identifier of the entry to look for. * * @throws NotFoundExceptionInterface No entry was found for **this** identifier. * @throws ContainerExceptionInterface Error while retrieving the entry. * * @return mixed Entry. */publicfunctionget($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 $id Identifier of the entry to look for. * * @return bool */publicfunctionhas($id);}