/**
 * nb_FuzzyDate
 * donne des dates plus sympas par exemple dans les forums
 * @return $date formatée sous forme de date plus ou moins floue
 * @param $date Object
 * marche bien sur http://www.nota-bene.org/ :)
 */
function nb_FuzzyDate($date) {
	if($date!='') {
		// this is now
		$now = date("U");
		// a day is 
		$oneday = 3600 * 24;

		// reconstructing a 'clean' date from what's in the database
		$test_date = preg_match_all(",[0-9]*,",$date,$matches);
		$Y = $matches[0][0];
		$M = $matches[0][2];
		$D = $matches[0][4];
		$computed = date("U", mktime(0,0,0,$M,$D,$Y) );
		
		// $diff is the number of days between $now and $computed
		$diff = floor(($now-$computed)/$oneday);

		// conditionally setting $date
		if($diff < 1) { // then it's today
			$date = _T('fuzzy_today');
		} else if($diff < 2) { // then it's yesterday
			$date = _T('fuzzy_yesterday');
		} else if($diff < 7) { // then it's last {weekday}
			$date = _T('fuzzy_last_w' . date("w",$computed) );
		} else { // too old: resorting to classical affdate display
			$date = affdate($date);
		}
	}
	return $date;
}