Online PHP editor | refs for QCJMJ

@ 2013-01-31T08:32:32Z

<?php
$year = 2013;
$Jan1 = gmmktime(0, 0, 0, 1, 1, $year);
$mydate = gmmktime(0, 0, 0, 11, 30, $year);
$delta = (int)(($mydate - $Jan1) / (7 * 24 * 60 * 60)) + 1;
echo 'weeknumber: ', $delta;