gistfile1.php

<?php
   function getQuarter() {
     $monthNumber = intval(date("m"));
     return floor(($monthNumber - 1) / 3) + 1;
   }
   function buildWeek() {
       if (date('l') == "Sunday") {
           $sundayTime = time();
       }
       else {
           $sundayTime = strtotime('last sunday');
       }
       $WY = date("Y", $sundayTime);
       $WM = date("m", $sundayTime);
       $WD = date("d", $sundayTime);
       return sprintf("WY:%s;WM:%s;WD:%s;", $WY, $WM, $WD);
   }

   function getTimeString() {
       return sprintf("Y:%s;Q:%s;M:%s;%sD:%s;H:%s", date("Y"), getQuarter(), date("m"), buildWeek(), date("d"), date("H"));
   }
?>