3v4l.org

run code in 300+ PHP versions simultaneously
<?php $dateTime = '2007-01-11 12:34:56'; preg_match('~(\d{4}-\d{2}-\d{2})\s?(\d{2}:\d{2}:\d{2})?~', $dateTime, $matches); $matches[2] = array_key_exists(2, $matches) ? $matches[2] :'00:00:00'; var_dump($matches); $dateTime = vsprintf('%1s %3s', $matches); var_dump($dateTime);

preferences:
47.27 ms | 402 KiB | 5 Q