squirrelmail/functions/plugin.php
2001-11-21 18:38:12 +00:00

61 lines
No EOL
1.7 KiB
PHP

<?php
/**
** plugin.php
**
** Copyright (c) 1999-2001 The Squirrelmail Development Team
** Licensed under the GNU GPL. For full terms see the file COPYING.
**
** This file provides the framework for a plugin architecture.
**
** Documentation on how to write plugins might show up some time.
**
** $Id$
**/
global $squirrelmail_plugin_hooks;
$squirrelmail_plugin_hooks = array();
// This function adds a plugin
function use_plugin ($name) {
if (file_exists('../plugins/'.$name.'/setup.php')) {
include_once('../plugins/'.$name.'/setup.php');
$function = 'squirrelmail_plugin_init_'.$name;
if (function_exists($function)) {
$function();
}
}
}
// This function executes a hook
function do_hook ($name) {
global $squirrelmail_plugin_hooks;
$Data = func_get_args();
if (isset($squirrelmail_plugin_hooks[$name]) &&
is_array($squirrelmail_plugin_hooks[$name])) {
foreach ($squirrelmail_plugin_hooks[$name] as $function) {
// Add something to set correct gettext domain for plugin
if (function_exists($function)) {
$function($Data);
}
}
}
// Variable-length argument lists have a slight problem when
// passing values by reference. Pity. This is a workaround.
return $Data;
}
/* -------------------- MAIN --------------------- */
// On startup, register all plugins configured for use
if (isset($plugins) && is_array($plugins)) {
foreach ($plugins as $name) {
use_plugin($name);
}
}
?>