How can I get a date after 15 days/1 month in PHP?

Question

In my PHP code I have a date in my variable \"$postedDate\".
Now I want to get the date after 7 days, 15 days, one month and 2 months have elapsed.

Which date functi

Answer 1

$date=strtotime(date('Y-m-d'));  // if today :2013-05-23

$newDate = date('Y-m-d',strtotime('+15 days',$date));

echo $newDate; //after15 days  :2013-06-07

$newDate = date('Y-m-d',strtotime('+1 month',$date));

echo $newDate; // after 1 month :2013-06-23