First date of a week

Question

I want a First Day Of a week say I have 45th week. Now I want to have date of the first sunday of this week. Can any one suggest me how I can go about this ?

Thank

Answer 1

If you have the month, day and year:

$timestamp = mktime(0, 0, 0, $month, $day, $year);
 echo date('c', $timestamp) = mktime(0, 0, 0, $month, date('d', $timestamp)-date('w', $timestamp), $year);

you could also do it this way if you have the timestamp:

echo $date('c', mktime(0, 0, 0, $month, date('d', $timestamp)-date('w', $timestamp), $year));

From: http://pinoytech.org/blog/post/get-the-first-day-of-the-week-with-an-exact-date