From f4c02a157a51c44c9772e609fcf0e360db42d060 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@madoka.volgo-balt.ru>
Date: Thu, 28 Feb 2013 09:13:00 +0400
Subject: [PATCH] fix warning when saving plugins with 0 plugins enabled
 (closes #542)

---
 classes/pref/prefs.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/classes/pref/prefs.php b/classes/pref/prefs.php
index eb84bde99..810b1e164 100644
--- a/classes/pref/prefs.php
+++ b/classes/pref/prefs.php
@@ -824,7 +824,10 @@ class Pref_Prefs extends Handler_Protected {
 	}
 
 	function setplugins() {
-		$plugins = join(",", $_REQUEST["plugins"]);
+		if (is_array($_REQUEST["plugins"]))
+			$plugins = join(",", $_REQUEST["plugins"]);
+		else
+			$plugins = "";
 
 		set_pref($this->link, "_ENABLED_PLUGINS", $plugins);
 	}