From 068cdffd116a46aba05271be7f7fa7bf3fd2d93a Mon Sep 17 00:00:00 2001
From: martinlanghoff <martinlanghoff>
Date: Mon, 7 Nov 2005 00:55:10 +0000
Subject: [PATCH] user/edit: Better error handling when loading auth libs.

Check with empty() to avoid casting the string to int, and provide
useful info in the debug log.

Merged from MOODLE_15_STABLE
---
 user/edit.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/user/edit.php b/user/edit.php
index 9beb46ac342..53a8429a73a 100644
--- a/user/edit.php
+++ b/user/edit.php
@@ -57,9 +57,10 @@
 
 
     // load the relevant auth libraries
-    if ($user->auth) { 
+    if (!empty($user->auth)) { 
         $auth = $user->auth;
         if (!file_exists("$CFG->dirroot/auth/$auth/lib.php")) {
+            trigger_error("Can't find auth module $auth , default to internal.");
             $auth = "manual";    // Can't find auth module, default to internal
         }
         require_once("$CFG->dirroot/auth/$auth/lib.php");