<?php
function relativeTime($time = false, $limit = 86400, $format = \'g:i A M jS\') {
  if (empty($time) || (!is_string($time) & amp; & amp;
  !is_numeric($time))) $time = time();
  elseif (is_string($time)) $time = strtotime($time);
  $now = time();
  $relative = \'\';
  if ($time === $now) $relative = \'now\';
  elseif ($time > $now) $relative = \'in the future\';
  else {
    $diff = $now - $time;
    if ($diff >= $limit) $relative = date($format, $time);
    elseif ($diff < 60) {
      $relative = \'less than one minute ago\';
    } elseif (($minutes = ceil($diff / 60)) < 60) {
      $relative = $minutes . \' minute\' . (((int)$minutes === 1) ? \'\' : \'s\') . \' ago\';
    } else {
      $hours = ceil($diff / 3600);
      $relative = \'about \' . $hours . \' hour\' . (((int)$hours === 1) ? \'\' : \'s\') . \' ago\';
    }
  }
  return $relative;
}