Set phpstan tmp dir, Basic class check date/time empty date fix

set explicit tmp folder for phpstan to not overlap with other users

Basic class return false for unset date or datetime parameter

phpstan-bootstrap.php

@@ -1,5 +1,4 @@
 <?php
-
 // Boostrap file for PHPstand
 // sets the _SERVER['HTTP_HOST'] var so we can have DB detection
 $_SERVER['HTTP_HOST'] = 'soba.tokyo.tequila.jp';