DRY out the code a little.

core/default_settings/default_setting_edit.php

@@ -92,7 +92,7 @@ if (count($_POST) > 0 && strlen($_POST["persistformvar"]) == 0) {
 			// fix null
 			$default_setting_order = ($default_setting_order != '') ? $default_setting_order : 'null';
 
-			//update switch variables
+			//update switch timezone variables
 			if ($default_setting_category == "domain" && $default_setting_subcategory == "time_zone" && $default_setting_name == "name" ) {
 				//get the action
 					$sql = "select * from v_vars ";
@@ -111,16 +111,14 @@ if (count($_POST) > 0 && strlen($_POST["persistformvar"]) == 0) {
 						$sql = "update v_vars ";
 						$sql .= "set var_value = '".$default_setting_value."' ";
 						$sql .= "where var_name = 'timezone' ";
-						$db->query($sql);
-						unset($sql);
 					}
 					else {
 						$sql = "insert into v_vars ";
 						$sql .= "(var_uuid, var_name, var_value, var_cat, var_enabled) ";
 						$sql .= "values ('".uuid()."', 'timezone', '$default_setting_value', 'Defaults', 'true'); ";
-						$db->query($sql);
-						unset($sql);
 					}
+					$db->query($sql);
+					unset($sql);
 
 				//synchronize the configuration
 					save_var_xml();