Friendly time / php

gistfile1.php

function get_friendly_time($time, $current_time = null) {
  
	if (!$current_time) {
		$current_time = time();
	}

	$diff = abs((int)$current_time - (int)$time);

	$minute = 60;
	$hour = $minute * 60;
	$day = $hour * 24;

	if ($diff < $minute) {
		return elgg_echo("friendlytime:justnow");
	}
	
	if ($diff < $hour) {
		$granularity = ':minutes';
		$diff = round($diff / $minute);
	} else if ($diff < $day) {
		$granularity = ':hours';
		$diff = round($diff / $hour);
	} else {
		$granularity = ':days';
		$diff = round($diff / $day);
	}

	if ($diff == 0) {
		$diff = 1;
	}
	
	$future = ((int)$current_time - (int)$time < 0) ? ':future' : '';
	$singular = ($diff == 1) ? ':singular' : '';

	return elgg_echo("friendlytime{$future}{$granularity}{$singular}", array($diff));
}


$time_str = array(
  'friendlytime:justnow' => "just now",
	'friendlytime:minutes' => "%s minutes ago",
	'friendlytime:minutes:singular' => "a minute ago",
	'friendlytime:hours' => "%s hours ago",
	'friendlytime:hours:singular' => "an hour ago",
	'friendlytime:days' => "%s days ago",
	'friendlytime:days:singular' => "yesterday",
	'friendlytime:date_format' => 'j F Y @ g:ia',
	
	'friendlytime:future:minutes' => "in %s minutes",
	'friendlytime:future:minutes:singular' => "in a minute",
	'friendlytime:future:hours' => "in %s hours",
	'friendlytime:future:hours:singular' => "in an hour",
	'friendlytime:future:days' => "in %s days",
	'friendlytime:future:days:singular' => "tomorrow",
);