HummingBirdAnimeClient/src/Ion/ConfigInterface.php

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<?php declare(strict_types=1);
/**
* Ion
*
* Building blocks for web development
*
* PHP version 7.2
*
* @package Ion
* @author Timothy J. Warren <tim@timshomepage.net>
* @copyright 2015 - 2019 Timothy J. Warren
* @license http://www.opensource.org/licenses/mit-license.html MIT License
* @version 3.0.0
* @link https://git.timshomepage.net/aviat/ion
*/
namespace Aviat\Ion;
/**
* Standard interface for retrieving/setting configuration values
*/
interface ConfigInterface {
/**
* Does the config item exist?
*
* @param string|int|array $key
* @return bool
*/
public function has($key): bool;
/**
* Get a config value
*
* @param array|string|null $key
* @return mixed
*/
public function get($key = NULL);
/**
* Set a config value
*
* @param integer|string|array $key
* @param mixed $value
* @throws \InvalidArgumentException
* @return ConfigInterface
*/
public function set($key, $value): self;
/**
* Remove a config value
*
* @param string|array $key
* @return void
*/
public function delete($key): void;
}