Verzeichnisstruktur phpBB-3.3.15
- Veröffentlicht
- 28.08.2024
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extension_interface.php
01 <?php
02 /**
03 *
04 * This file is part of the phpBB Forum Software package.
05 *
06 * @copyright (c) phpBB Limited <https://www.phpbb.com>
07 * @license GNU General Public License, version 2 (GPL-2.0)
08 *
09 * For full copyright and license information, please see
10 * the docs/CREDITS.txt file.
11 *
12 */
13
14 namespace phpbb\extension;
15
16 /**
17 * The interface extension meta classes have to implement to run custom code
18 * on enable/disable/purge.
19 */
20 interface extension_interface
21 {
22 /**
23 * Indicate whether or not the extension can be enabled.
24 *
25 * @return bool|array True if extension is enableable, array of reasons
26 * if not, false for generic reason.
27 */
28 public function is_enableable();
29
30 /**
31 * enable_step is executed on enabling an extension until it returns false.
32 *
33 * Calls to this function can be made in subsequent requests, when the
34 * function is invoked through a webserver with a too low max_execution_time.
35 *
36 * @param mixed $old_state The return value of the previous call
37 * of this method, or false on the first call
38 * @return mixed Returns false after last step, otherwise
39 * temporary state which is passed as an
40 * argument to the next step
41 */
42 public function enable_step($old_state);
43
44 /**
45 * Disables the extension.
46 *
47 * Calls to this function can be made in subsequent requests, when the
48 * function is invoked through a webserver with a too low max_execution_time.
49 *
50 * @param mixed $old_state The return value of the previous call
51 * of this method, or false on the first call
52 * @return mixed Returns false after last step, otherwise
53 * temporary state which is passed as an
54 * argument to the next step
55 */
56 public function disable_step($old_state);
57
58 /**
59 * purge_step is executed on purging an extension until it returns false.
60 *
61 * Calls to this function can be made in subsequent requests, when the
62 * function is invoked through a webserver with a too low max_execution_time.
63 *
64 * @param mixed $old_state The return value of the previous call
65 * of this method, or false on the first call
66 * @return mixed Returns false after last step, otherwise
67 * temporary state which is passed as an
68 * argument to the next step
69 */
70 public function purge_step($old_state);
71 }
72