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