Mo create script update, phpstan fixes, document updates

create_mo:
set auto base folder bases on current location so we do not need do
adjust paths in script

phpstan fixes:
edit_base.php
CoreLibs/Basci.php
CoreLibs/DB/SQL/PgSQL.php

Update documentation in method headers
CoreLibs/Combined/DateTime.php

www/includes/edit_base.php

@@ -457,6 +457,8 @@ if ($form->my_page_name == 'edit_order') {
 						$pathinfo = pathinfo($output_file);
 						if (!empty($pathinfo['dirname'])) {
 							$pathinfo['dirname'] .= DIRECTORY_SEPARATOR;
+						} else {
+							$pathinfo['dirname'] = '';
 						}
 						if ($t_q) {
 							$t_q .= ', ';