Verzeichnisstruktur phpBB-3.1.0
- Veröffentlicht
- 27.10.2014
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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
26 */
27 public function is_enableable();
28
29 /**
30 * enable_step is executed on enabling an extension until it returns false.
31 *
32 * Calls to this function can be made in subsequent requests, when the
33 * function is invoked through a webserver with a too low max_execution_time.
34 *
35 * @param mixed $old_state The return value of the previous call
36 * of this method, or false on the first call
37 * @return mixed Returns false after last step, otherwise
38 * temporary state which is passed as an
39 * argument to the next step
40 */
41 public function enable_step($old_state);
42
43 /**
44 * Disables the extension.
45 *
46 * Calls to this function can be made in subsequent requests, when the
47 * function is invoked through a webserver with a too low max_execution_time.
48 *
49 * @param mixed $old_state The return value of the previous call
50 * of this method, or false on the first call
51 * @return mixed Returns false after last step, otherwise
52 * temporary state which is passed as an
53 * argument to the next step
54 */
55 public function disable_step($old_state);
56
57 /**
58 * purge_step is executed on purging an extension until it returns false.
59 *
60 * Calls to this function can be made in subsequent requests, when the
61 * function is invoked through a webserver with a too low max_execution_time.
62 *
63 * @param mixed $old_state The return value of the previous call
64 * of this method, or false on the first call
65 * @return mixed Returns false after last step, otherwise
66 * temporary state which is passed as an
67 * argument to the next step
68 */
69 public function purge_step($old_state);
70 }
71