Online PHP editor | refs for BVdfv

<?php $zone = new \DateTimeZone( 'GMT' ); $oneOfSeptember2015 = \DateTime::createFromFormat('Y-m-d H:i:s', '2015-09-01', $zone); $oneOfSeptember2014 = \DateTime::createFromFormat('Y-m-d H:i:s', '2014-09-01', $zone); $diff = $now->diff( $oneOfSeptember2015, TRUE ); $dayOfDifference = $diff->format( '%d' ); var_dump( $dayOfDifference );