date + time php

PHP
// 1. create a date instance
$date = new DateTime;

// 2. set the date using the setDate(year, month, date) method on the
//    $date instance
$date->setDate(1999,02,19);$dateTime = new \DateTime();
$dateTime->format('Y-m-d H:i:s');echo date('Y.m.d H:i:s');check here link:   http://www.eltcalendar.com/stuff/datemysqlphp.html
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