Upgrade.php
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<?php
/**
* Plugin upgrade.
*
* @copyright (c) 2021, Code Atlantic LLC.
*
* @package ContentControl
*/
namespace ContentControl\Interfaces;
defined( 'ABSPATH' ) || exit;
/**
* Localized controller class.
*/
interface Upgrade {
/**
* Return label for this upgrade.
*
* @return string
*/
public function label();
/**
* Return full description for this upgrade.
*
* @return string
*/
public function description();
/**
* Check if this upgrade is required.
*
* @return bool
*/
public function is_required();
/**
* Check if prerequisites are met.
*
* @return bool
*/
public function prerequisites_met();
/**
* Run the upgrade.
*
* @return void|\WP_Error|false
*/
public function run();
}