<?php
$tglsekarang = date('d-m-Y');
$tgljatuhtempo  ='30-05-2013';
$pecah1 = explode("-", $tgljatuhtempo );
$date1 = $pecah1[0];
$month1 = $pecah1[1];
$year1 = $pecah1[2];
$pecah2 = explode("-", $tglsekarang);
$date2 = $pecah2[0];
$month2 = $pecah2[1];
$year2 =  $pecah2[2];
$waktusekarang = GregorianToJD($month1, $date1, $year1);
$waktuinput = GregorianToJD($month2, $date2, $year2);
echo $selisih = $waktusekarang - $waktuinput; echo " Hari";
?>