76 lines
2.7 KiB
PHP
76 lines
2.7 KiB
PHP
<?php
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/**
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* plugin.php
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*
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* Copyright (c) 1999-2001 The SquirrelMail Development 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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/*****************************************************************/
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/*** THIS FILE NEEDS TO HAVE ITS FORMATTING FIXED!!! ***/
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/*** PLEASE DO SO AND REMOVE THIS COMMENT SECTION. ***/
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/*** + Base level indent should begin at left margin, as ***/
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/*** the $squirrelmail_plugin_hooks stuff below. ***/
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/*** + All identation should consist of four space blocks ***/
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/*** + Tab characters are evil. ***/
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/*** + all comments should use "slash-star ... star-slash" ***/
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/*** style -- no pound characters, no slash-slash style ***/
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/*** + FLOW CONTROL STATEMENTS (if, while, etc) SHOULD ***/
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/*** ALWAYS USE { AND } CHARACTERS!!! ***/
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/*** + Please use ' instead of ", when possible. Note " ***/
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/*** should always be used in _( ) function calls. ***/
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/*** Thank you for your help making the SM code more readable. ***/
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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 $Data;
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}
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/* -------------------- MAIN --------------------- */
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// On startup, register all plugins configured for use
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if (isset($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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