php time
<?php
$t=time();
echo($t . "<br>");
echo(date("Y-m-d",$t));
?>
timestamp php
<?php
$date = new DateTime();
echo $date->getTimestamp();
?>
current utc time in php
date("Y-m-d H:i:s", time() - date("Z"))
timestamp php
<?php
$date = date_create();
echo date_timestamp_get($date);
?>