ivyforms / backend / vendor / psr / container / src / ContainerInterface.php

ContainerInterface.php in The Innovative Form Builder – IvyForms 0.6.1-backup, at backend/vendor/psr/container/src/ContainerInterface.php

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1	<?php
2
3	declare(strict_types=1);
4
5	namespace Psr\Container;
6
7	/**
8	* Describes the interface of a container that exposes methods to read its entries.
9	*/
10	interface ContainerInterface
11	{
12	/**
13	* Finds an entry of the container by its identifier and returns it.
14	*
15	* @param string $id Identifier of the entry to look for.
16	*
17	* @throws NotFoundExceptionInterface No entry was found for this identifier.
18	* @throws ContainerExceptionInterface Error while retrieving the entry.
19	*
20	* @return mixed Entry.
21	*/
22	public function get(string $id);
23
24	/**
25	* Returns true if the container can return an entry for the given identifier.
26	* Returns false otherwise.
27	*
28	* `has($id)` returning true does not mean that `get($id)` will not throw an exception.
29	* It does however mean that `get($id)` will not throw a `NotFoundExceptionInterface`.
30	*
31	* @param string $id Identifier of the entry to look for.
32	*
33	* @return bool
34	*/
35	public function has(string $id);
36	}
37