php add datetime to datetime

php add datetime to datetime

$datas = explode("/",'23/04/2018');
$correctDAta = $datas[2].'-'.$datas[1].'-'.$datas[0].' 10:00:00';
echo $correctDAta;
echo '<hr>';


$time = explode(":",'02:50:50');

//var_dump($time);
//exit();
//echo $time[0];

$updatedate = 'PT'. $time[0] .'H'. $time[1] .'M'. $time[2].'S';

$date = new DateTime($correctDAta);
$date->add(new DateInterval($updatedate));
echo $date->format('Y-m-d H:i:s') . "\n";



$date = new DateTime('2000-01-01');
$date->add(new DateInterval('PT10H30S'));
echo $date->format('Y-m-d H:i:s') . "\n";

$date = new DateTime('2000-01-01');
$date->add(new DateInterval('P7Y5M4DT4H3M2S'));
echo $date->format('Y-m-d H:i:s') . "\n";