ChainTable::rarefact

static function rarefact($sorts, $window = 10000)
{
	if(!intval($window))
		$window = 10000;

	$rSorts = array();
	$w = $window;
	if(is_array($sorts))
	{
		asort($sorts);

		foreach($sorts as $id => $sort)
		{
			$rSorts[$id] = $w;
			$w += $window;
		}
	}

	return $rSorts;
}