function nice_time($ts)
{
  $ret = array();

  $ret['weeks'] = floor($ts / (7*24*60*60));
  $ts = $ts % (7*24*60*60);

  $ret['days'] = floor($ts / (24*60*60));
  $ts = $ts % (24*60*60);

  $ret['hours'] = floor($ts / (60*60));
  $ts = $ts % (60*60);

  $ret['minutes'] = floor($ts / 60);
  $ts = $ts % 60;

  $ret['seconds'] = $ts;

  return $ret;
}

print_r(nice_time(968106));