Merge pull request WWBN#9893 from manu0401/timezone

Portable timezone read

Author: DanielnetoDotCom

objects/functions.php

@@ -5851,15 +5851,7 @@ function getSystemTimezone()
         return $_getSystemTimezoneName;
     }
 
-    if (isWindowsServer()) {
-        $cmd = 'tzutil /g';
-    } else {
-        $cmd = 'cat /etc/timezone';
-    }
-
-    $_getDatabaseTimezoneName = trim(preg_replace('/[^a-z0-9_ \/-]+/si', '', shell_exec($cmd)));
-
-    $_getDatabaseTimezoneName = fixTimezone($_getDatabaseTimezoneName);
+    $_getDatabaseTimezoneName = fixTimezone(date('e'));
 
     return $_getDatabaseTimezoneName;
 }