Unnamed

<?phpdefine("SECOND", 1);define("MINUTE", 60*SECOND);define("HOUR", 60*MINUTE);define("DAY", 24*HOUR);define("YEAR", 365*DAY);define("MONTH", YEAR/12);function datediff($start, $end){        $diff = strtotime($end) - strtotime($start);        $periods = array("year" => YEAR,                          "month" => MONTH,                          "day" => DAY,                          "hour" => HOUR,                          "minute" => MINUTE,                         "second" => SECOND);        foreach ($periods as $period => $duration) {                $tmp = floor($diff/$duration);                $diff%=$duration;                $output.=$tmp." ".ucwords(strtolower($period)).($tmp!=1 ? 's' : '');                if ($period != 'second') $output.=", ";        }        return $output;}echo datediff('2007-01-05 12:53:17','2008-03-28 17:57:12');?>