auth/ldap: better handling of empty values from ldap

diff --git a/auth/ldap/lib.php b/auth/ldap/lib.php
index eb554e1a825991f178979857b288977932043654..49149a1357c821ad401db1efd4fe7b415b879cb0 100644 (file)
--- a/auth/ldap/lib.php
+++ b/auth/ldap/lib.php
@@ -144,7 +144,9 @@ function auth_get_userinfo($username){
                     $ldapval = $newval;
                 } 
             }
-            $result[$key] = $ldapval;
+            if (!is_null($ldapval)) {
+                $result[$key] = $ldapval;
+            }
         }
     }