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php-phpbb/phpBB/phpbb/extension/extension_interface.php
2013-10-30 13:05:28 +01:00

62 lines
1.9 KiB
PHP

<?php
/**
*
* @package extension
* @copyright (c) 2011 phpBB Group
* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
*
*/
namespace phpbb\extension;
/**
* The interface extension meta classes have to implement to run custom code
* on enable/disable/purge.
*
* @package extension
*/
interface extension_interface
{
/**
* 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);
}