Online PHP editor | refs for 4s6e1

<?php /* * Base: https://github.com/shikorism/tissue/blob/4ab82ff0e28b7cf23de5739a858cda723e161df0/app/Http/Controllers/UserController.php#L104-L109 */ date_default_timezone_set('Asia/Tokyo'); $d = new DateTime("2019-01-29 00:00:00"); $d->modify("-11 months"); $d->modify("first day of this month"); for ($i = 0; $i < 12; $i++) { echo $d->format("Y/m"), PHP_EOL; $d->modify("+1 month"); }