Based on the format you have given, here's the soln
<?php
$t = "20050812202916";
$yr = substr($t,0,4);
$mon = substr($t,4,2);
$day = substr($t,6,2);
$hour = substr($t,8,2);
$min = substr($t,10,2);
$sec = substr($t,12,2);
$bday = mktime($hour,$min,0,$mon,$day,$yr);
$dformatted...