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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\install; | |
/** | |
* Interface for installer tasks | |
*/ | |
interface task_interface | |
{ | |
/** | |
* Returns the number of steps the task contains | |
* | |
* This is a helper method to provide a better progress bar for the front-end. | |
* | |
* @return int The number of steps that the task contains | |
*/ | |
static public function get_step_count(); | |
/** | |
* Checks if the task is essential to install phpBB or it can be skipped | |
* | |
* Note: Please note that all the non-essential modules have to implement check_requirements() | |
* method. | |
* | |
* @return bool true if the task is essential, false otherwise | |
*/ | |
public function is_essential(); | |
/** | |
* Checks requirements for the tasks | |
* | |
* Note: Only need to be implemented for non-essential tasks, as essential tasks | |
* requirements should be checked in the requirements install module. | |
* | |
* @return bool true if the task's requirements are met | |
*/ | |
public function check_requirements(); | |
/** | |
* Executes the task | |
*/ | |
public function run(); | |
/** | |
* Returns the language key of the name of the task | |
* | |
* @return string | |
*/ | |
public function get_task_lang_name(); | |
} |