====== PHP datetime ======
<code php>
$EndDate = date_create(%MYSQL DATETIME FORMAT%);
date_add($EndDate,new DateInterval('P7D')); //Add 7 days
$Now = date_create(date('Y-m-d H:i:s'));
//$DiffDate = date_diff($Now,$EndDate); //Returns larger-than-zero integer
//echo $DiffDate->format('%d');
if ($EndDate>$Now) {
    $Larger=true;
} else {
    $Larger=false;
}
</code>