- date_diff: documentation ( source)
- var_dump: documentation ( source)
- date_create: documentation ( source)
- date_create_from_format: documentation ( source)
<?php
var_dump(
date_diff(date_create_from_format('Y-m-d H:i:s', '2015-11-10 12:30:00'), date_create('now'))->format('d')
);
var_dump(date_create('now'));