Dev Correctly handle the case of no files having been uploaded; other…

…wise, an error results (#1851)
LimeSurvey · Apr 21, 2021 · 0a41357 · 0a41357
1 parent fe60463
commit 0a41357
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/application/helpers/expressions/em_manager_helper.php b/application/helpers/expressions/em_manager_helper.php
@@ -8430,7 +8430,7 @@ public static function ProcessCurrentResponses()
                             if (!preg_match('/_filecount$/', $sq)) {
                                 $json = $value;
                                 $aFiles = json_decode($json);
-                                $iSize = @count($aFiles);
+                                $iSize = (is_null($aFiles)) ? 0 : @count($aFiles);
                                 // if the files have not been saved already,
                                 // move the files from tmp to the files folder