# betterdocs/3.8.9/includes/Dependencies/Psr/Container/ContainerInterface.php

BetterDocs – AI Documentation, Knowledge Base, MCP Server, Docs, Wikis, FAQ &amp; Chatbot, version 3.8.9. 37 lines.

- Page: https://pluginprobe.com/plugins/betterdocs/3.8.9/code/includes/Dependencies/Psr/Container/ContainerInterface.php
- Raw: https://pluginprobe.com/plugins/betterdocs/3.8.9/raw/includes/Dependencies/Psr/Container/ContainerInterface.php
- Modified: 2023-08-14T08:41:14+00:00

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```php
<?php

declare(strict_types=1);

namespace WPDeveloper\BetterDocs\Dependencies\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);
}

```
