- ksort($update_files);
- foreach ($update_files as $up_file) {
- if(version_compare($curr_ver, $up_file[4], '<')) {
- update_one_ver($up_file);
+
+ if (is_array($update_files)) {
+ ksort($update_files);
+ foreach ($update_files as $up_file) {
+ if(version_compare($curr_ver, $up_file[4], '<')) {
+ update_one_ver($up_file);
+ }