Warning removal.

[squirrelmail.git] / functions / plugin.php

diff --git a/functions/plugin.php b/functions/plugin.php
index c1c4cf2aa7f739966f69cd7cae19b70fc02d8a09..bb77c0685fa4c4aff4e1e30bbb40b471a32acc82 100644 (file)
--- a/functions/plugin.php
+++ b/functions/plugin.php
@@ -1,46 +1,61 @@
 <?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
- ** patients, though, as the these funtions might change in the near
- ** future.
- **
- ** Documentation on how to write plugins might show up some time.
- **
- **/
-
-
-   $plugin_php = true;
-
-   // This function adds a plugin
-   function use_plugin ($name) {
-      include ('../plugins/'.$name.'/setup.php');
-      $function = 'squirrelmail_plugin_init_'.$name;
-      $function();
-   }
-
-   // This function executes a hook
-   function do_hook ($name) {
-      global $squirrelmail_plugin_hooks;
-      if (is_array($squirrelmail_plugin_hooks[$name])) {
-         reset($squirrelmail_plugin_hooks[$name]);
-         
-         while (list ($id, $function) = 
-                each ($squirrelmail_plugin_hooks[$name])) {
-            // Add something to set correct gettext domain for plugin
-            $function();
-         }
-      }
-   }
-
-   // On startup, register all plugins configured for use
-  if (is_array($plugins))
-     while (list ($id, $name) = each ($plugins))
-        use_plugin($name);
-
-?>
+   /**
+    **  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);
+        }
+    }
+
+?>
\ No newline at end of file