squirrelmail/functions/plugin.php
Tyler Akins de965920f1 Removed a lot of the warnings generated when PHP has all warnings enabled.
This is not done yet, but it is a VERY good start.
Added $Id$ tags to a lot of the files.
2001-01-30 17:22:38 +00:00

55 lines
1.6 KiB
PHP

<?php
/**
** plugin.php
**
** This file provides the framework for a plugin architecture.
**
** Plugins will eventually be a way to provide added functionality
** without having to patch the SquirrelMail source code. Have some
** patience, though, as the these funtions might change in the near
** future.
**
** Documentation on how to write plugins might show up some time.
**
** $Id$
**/
$plugin_php = true;
// This function adds a plugin
function use_plugin ($name) {
if (file_exists('../plugins/'.$name.'/setup.php')) {
include ('../plugins/'.$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 $id => $function) {
// Add something to set correct gettext domain for plugin
if (function_exists($function)) {
$function(&$Data);
}
}
}
// Variable-length argument lists have a slight problem when
// passing values by reference. Pity. This is a workaround.
return $Data;
}
// On startup, register all plugins configured for use
if (isset($plugins) && is_array($plugins))
foreach ($plugins as $id => $name)
use_plugin($name);
?>