<?php
function distance_2_date($d1, $m1, $y1, $d2, $m2, $y2){
$date1 = mktime(false, false, false, $m1, $d1, $y1);
$date2 = mktime(false, false, false, $m2, $d2, $y2);
$distance = $date2 - $date1;
return $distance / 86400;
}
echo distance_2_date(01, 01, 2008, 01, 02, 2008);
?>