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<?php | |
/** | |
* | |
* This file is part of the phpBB Forum Software package. | |
* | |
* @copyright (c) phpBB Limited <https://www.phpbb.com> | |
* @license GNU General Public License, version 2 (GPL-2.0) | |
* | |
* For full copyright and license information, please see | |
* the docs/CREDITS.txt file. | |
* | |
*/ | |
namespace phpbb\extension; | |
/** | |
* The interface extension meta classes have to implement to run custom code | |
* on enable/disable/purge. | |
*/ | |
interface extension_interface | |
{ | |
/** | |
* Indicate whether or not the extension can be enabled. | |
* | |
* @return bool|array True if extension is enableable, array of reasons | |
* if not, false for generic reason. | |
*/ | |
public function is_enableable(); | |
/** | |
* enable_step is executed on enabling an extension until it returns false. | |
* | |
* Calls to this function can be made in subsequent requests, when the | |
* function is invoked through a webserver with a too low max_execution_time. | |
* | |
* @param mixed $old_state The return value of the previous call | |
* of this method, or false on the first call | |
* @return mixed Returns false after last step, otherwise | |
* temporary state which is passed as an | |
* argument to the next step | |
*/ | |
public function enable_step($old_state); | |
/** | |
* Disables the extension. | |
* | |
* Calls to this function can be made in subsequent requests, when the | |
* function is invoked through a webserver with a too low max_execution_time. | |
* | |
* @param mixed $old_state The return value of the previous call | |
* of this method, or false on the first call | |
* @return mixed Returns false after last step, otherwise | |
* temporary state which is passed as an | |
* argument to the next step | |
*/ | |
public function disable_step($old_state); | |
/** | |
* purge_step is executed on purging an extension until it returns false. | |
* | |
* Calls to this function can be made in subsequent requests, when the | |
* function is invoked through a webserver with a too low max_execution_time. | |
* | |
* @param mixed $old_state The return value of the previous call | |
* of this method, or false on the first call | |
* @return mixed Returns false after last step, otherwise | |
* temporary state which is passed as an | |
* argument to the next step | |
*/ | |
public function purge_step($old_state); | |
} |