Online PHP editor | refs for h5Bsb

@ 2014-05-15T20:56:36Z

<?php

$userDate = '2014-05-15 16:37:23';
$userOffset = '+04:00';

$date = new \DateTime($userDate . ' ' . $userOffset);
var_dump($date);
$date->setTimezone(new \DateTimeZone('UTC'));
var_dump($date);

echo $date->format('Y-m-d H:i:s');