i have to sent an email when a user register email contain a link that is become invalid after six hours what i m doing when email is sent i update the db with field emailSentDate of type "datetime" now i got the curent date and time and has made to the same formate as it is in db now i want to find that both these dates and time have differenc of 6 hours or not so that i can make link invalid but i donot know how to do this

Benim kod, sadece örneğin db için kodlanmış değerini kullanarak bu im gibi bakın

$current_date_time=date("Y-m-d h:i:s");
$current=explode(" ",$current_date_time);
$current_date=$current[0];
$current_time=$current[1];
$db_date_time="2010-07-30 13:11:50";
$db=explode(" ",$db_date_time);
$db_date=$db[0];
$db_time=$db[1];

i plz yardım devam etmek nasıl bilmiyorum