$time = time();
$date = date('d-m-L H:i:s' , $time);
 
echo $date; // 03-05-2008 18:05:44

//$var is your timestamp...
function x($var)
{
list($date,$time)=explode(" ", $var);
list($year,$month,$day)=explode("-",$date);
$newdate=$month."-".$day."-".$year." ".$time;
return $newdate;
}

<?php
 
//old time
$old_time = '2008-03-05 18:05:44';
 
//convert to UNIX timestamp
$timestamp = strtotime($old_time);
 
//fetch new format
$new_time = date('m-d-Y H:i:s' , $timestamp);
 
//output new time
echo $new_time;
?>