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1 | <?php |
2 | /** |
3 | * |
4 | * This file is part of the phpBB Forum Software package. |
5 | * |
6 | * @copyright (c) phpBB Limited <https://www.phpbb.com> |
7 | * @license GNU General Public License, version 2 (GPL-2.0) |
8 | * |
9 | * For full copyright and license information, please see |
10 | * the docs/CREDITS.txt file. |
11 | * |
12 | */ |
13 | |
14 | namespace phpbb\install; |
15 | |
16 | /** |
17 | * Interface for installer modules |
18 | * |
19 | * An installer module is a task collection which executes installer tasks. |
20 | */ |
21 | interface module_interface |
22 | { |
23 | /** |
24 | * Checks if the execution of the module is essential to install phpBB or it can be skipped |
25 | * |
26 | * Note: Please note that all the non-essential modules have to implement check_requirements() |
27 | * method. |
28 | * |
29 | * @return bool true if the module is essential, false otherwise |
30 | */ |
31 | public function is_essential(); |
32 | |
33 | /** |
34 | * Checks requirements for the tasks |
35 | * |
36 | * Note: Only need to be implemented for non-essential tasks, as essential tasks |
37 | * requirements should be checked in the requirements install module. |
38 | * |
39 | * @return bool true if the task's requirements are met |
40 | */ |
41 | public function check_requirements(); |
42 | |
43 | /** |
44 | * Executes the task |
45 | * |
46 | * @return null |
47 | */ |
48 | public function run(); |
49 | |
50 | /** |
51 | * Returns the number of tasks in the module |
52 | * |
53 | * @return int |
54 | */ |
55 | public function get_step_count(); |
56 | |
57 | /** |
58 | * Returns an array to the correct navigation stage |
59 | * |
60 | * @return array |
61 | */ |
62 | public function get_navigation_stage_path(); |
63 | } |