Online PHP editor | output for bNThC

<?php //DateTime $date_mutable = new DateTime('2008-07-01T22:35:17+08:00'); $start_mutable = DateTime::createFromFormat( 'Y-m-d H:i:s.u', $date_mutable->format('Y-m-d').' 00:00:00.000000', $date_mutable->getTimeZone() ); $end_mutable = $start_mutable->add(new DateInterval('P1D')); //DateTimeImmutable $date_immutable = new DateTimeImmutable('2008-07-01T22:35:17+08:00'); $start_immutable = DateTimeImmutable::createFromFormat( 'Y-m-d H:i:s.u', $date_immutable->format('Y-m-d').' 00:00:00.000000', $date_immutable->getTimeZone() ); $end_immutable = $start_immutable->add(new DateInterval('P1D')); var_dump([ 'Date Mutable Formatted' => $date_mutable->format('Y-m-d H:i:s.u P'), 'Start Date Mutable Formatted' => $start_mutable->format('Y-m-d H:i:s.u P'), 'End Date Mutable Formatted' => $end_mutable->format('Y-m-d H:i:s.u P'), 'Date Immutable Formatted' => $date_immutable->format('Y-m-d H:i:s.u P'), 'Start Date Immutable Formatted' => $start_immutable->format('Y-m-d H:i:s.u P'), 'End Date Immutable Formatted' => $end_immutable->format('Y-m-d H:i:s.u P'), ]);