function ago($time, $time2 = '') {
		if (!$time) {
			return 'never';
		}
		if (!$time2) {
			$time2 = time();
		}
		$diff = $time2 - $time;

		//if ($diff < )
		//yday

		$min = 60;
		$hr = 60 * $min;
		$day = $hr * 24;
		$week = $day * 7;
		$year = $day * 365;
		$month = ceil($year / 12); // Persudo month.

		$time_array['year'] = $year;
		$time_array['month'] = $month;
		$time_array['week'] = $week;
		$time_array['day'] = $day;
		$time_array['hr'] = $hr;
		$time_array['min'] = $min;
		$time_array['sec'] = 1;


		foreach ($time_array as $type=>$time) {
			$is = floor($diff / $time);
			$left = $diff % $time;
			if ($is > 1) {
				$type .= 's';
			}
			$return["$type"] = $is;
			$diff = $left;
		}

		foreach ($return as $type=>$measurement) {
			switch ($type) {
				case 'secs':
				case 'sec':
					if ($measurement < 10 && $ago) {
						$ago .= '0';
					}
					$ago .= $measurement;
					break;
				case 'mins':
				case 'min':
					if ($measurement < 10 && $ago) {
						$ago .= '0';
					}
					$ago .= $measurement.':';
					break;
				case 'hrs':
				case 'hr':
					$ago .= ' '.$measurement.':';
					break;
				default:
					if ($measurement) {
						$ago .= ' '.$measurement.' '.$type;
					}
					break;
			}
		}
		return $ago;
	}