Online PHP editor | output for fBPcN

<?php $sdate = "1981-11-04"; $edate = "2013-09-04"; $t=strtotime($edate); printf "$t"; /*$date_diff = abs(strtotime($edate) - strtotime($sdate)); print "$date_diff"; $years = floor($date_diff / (365*60*60*24)); $months = floor(($date_diff - $years * 365*60*60*24) / (30*60*60*24)); $days = floor(($date_diff - $years * 365*60*60*24 - $months*30*60*60*24)/ (60*60*24)); printf("%d years, %d months, %d days", $years, $months, $days);*/ ?> - See more at: http://www.w3resource.com/php-exercises/php-date-exercises.php#sthash.xJA52BEw.dpuf