Added (c) stuff and some formatting.
[squirrelmail.git] / functions / plugin.php
CommitLineData
7b086a80 1<?php
2
2ba13803 3 /**
4 ** plugin.php
2d367c68 5 **
2ba13803 6 ** Copyright (c) 1999-2001 The Squirrelmail Development Team
7 ** Licensed under the GNU GPL. For full terms see the file COPYING.
2d367c68 8 **
2ba13803 9 ** This file provides the framework for a plugin architecture.
2d367c68 10 **
2ba13803 11 ** Documentation on how to write plugins might show up some time.
2d367c68 12 **
2ba13803 13 ** $Id$
2d367c68 14 **/
15
16 global $squirrelmail_plugin_hooks;
17
18 $squirrelmail_plugin_hooks = array();
19
20 // This function adds a plugin
21 function use_plugin ($name) {
22
23 if (file_exists('../plugins/'.$name.'/setup.php')) {
24 include_once('../plugins/'.$name.'/setup.php');
25 $function = 'squirrelmail_plugin_init_'.$name;
dd389be5 26 if (function_exists($function)) {
2d367c68 27 $function();
28 }
29 }
30
31 }
32
33 // This function executes a hook
34 function do_hook ($name) {
35 global $squirrelmail_plugin_hooks;
36 $Data = func_get_args();
37 if (isset($squirrelmail_plugin_hooks[$name]) &&
38 is_array($squirrelmail_plugin_hooks[$name])) {
39 foreach ($squirrelmail_plugin_hooks[$name] as $function) {
40 // Add something to set correct gettext domain for plugin
41 if (function_exists($function)) {
42 $function($Data);
43 }
dd389be5 44 }
2d367c68 45 }
46
47 // Variable-length argument lists have a slight problem when
48 // passing values by reference. Pity. This is a workaround.
49 return $Data;
50 }
7b086a80 51
2d367c68 52 /* -------------------- MAIN --------------------- */
7b086a80 53
2d367c68 54 // On startup, register all plugins configured for use
55 if (isset($plugins) && is_array($plugins)) {
56 foreach ($plugins as $name) {
57 use_plugin($name);
58 }
59 }
076c01d7 60
0fc2aca0 61?>