Online PHP editor | output for 17mDR

<?php $dateTime = '2007-01-11 12:34:56'; preg_match('~(?<date>\d{4}-\d{2}-\d{2})\s?(?<time>\d{2}:\d{2}:\d{2})?~', $dateTime, $matches); $matches['time'] = array_key_exists('time', $matches) ? $matches['time'] : '00:00:00'; $dateTime = sprintf('%s %s', $matches['date'], $matches['time']); var_dump($dateTime);