61 lines
1.6 KiB
PHP
61 lines
1.6 KiB
PHP
<?php
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/**
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* plugin.php
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*
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* Copyright (c) 1999-2002 The SquirrelMail Project Team
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* Licensed under the GNU GPL. For full terms see the file COPYING.
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*
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* This file provides the framework for a plugin architecture.
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*
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* Documentation on how to write plugins might show up some time.
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*
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* $Id$
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*/
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global $squirrelmail_plugin_hooks;
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$squirrelmail_plugin_hooks = array();
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/* This function adds a plugin. */
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function use_plugin ($name) {
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if (file_exists("../plugins/$name/setup.php")) {
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include_once("../plugins/$name/setup.php");
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$function = "squirrelmail_plugin_init_$name";
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if (function_exists($function)) {
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$function();
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}
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}
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}
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/* This function executes a hook. */
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function do_hook ($name) {
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global $squirrelmail_plugin_hooks;
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$data = func_get_args();
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if (isset($squirrelmail_plugin_hooks[$name])
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&& is_array($squirrelmail_plugin_hooks[$name])) {
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foreach ($squirrelmail_plugin_hooks[$name] as $function) {
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/* Add something to set correct gettext domain for plugin. */
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if (function_exists($function)) {
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$function($data);
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}
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}
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}
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/* Variable-length argument lists have a slight problem when */
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/* passing values by reference. Pity. This is a workaround. */
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return $data;
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}
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/*************************************/
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/*** MAIN PLUGIN LOADING CODE HERE ***/
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/*************************************/
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/* On startup, register all plugins configured for use. */
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if (isset($plugins) && is_array($plugins)) {
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foreach ($plugins as $name) {
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use_plugin($name);
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}
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}
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?>
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