Find approximate time passed - Ko3

gistfile1.inc

<?php // Uses Kohana 3 Framework
function time_ago($timestamp)
{
	$time_ago = Date::span($timestamp);
	foreach ($time_ago as $unit => $value)
	{
		if ($value > 0)
		{
			return 'about '.$value.' '.Inflector::singular($unit, $value).' ago';
		}
	}
	return 'just now';
}