webservice MDL-16805 fix REST server bug: empty list (<MULTIPLE></MULTIPLE>) without php error

2010-02-09 09:26:03 +00:00
parent 7c964cdf14
commit 17ecdd29f0
1 changed files with 4 additions and 2 deletions
@@ -139,8 +139,10 @@ class webservice_rest_server extends webservice_base_server {

        } else if ($desc instanceof external_multiple_structure) {
            $mult = '<MULTIPLE>'."\n";
-            foreach ($returns as $val) {
-                $mult .= self::xmlize_result($val, $desc->content);
+            if (!empty($returns)) {
+                foreach ($returns as $val) {
+                    $mult .= self::xmlize_result($val, $desc->content);
+                } 
            }
            $mult .= '</MULTIPLE>'."\n";
            return $mult;