note 63875 deleted from ref.array by felipe

Note Submitter: g dot bell at NOSPAM dot managesys dot com dot au 

----

/*
function to give array of ranks. Handles ties.
input 	$arr is zero based array to be ranked
		$order is the sorting order
			'asc' (default) ranks smallest as 1
			'desc' ranks largest as 1
output	zero based array of ranks. 
Ties (repeated values) given equal (integer) values
*/
function array_rank($arr,$order='asc') {
	// $direction parameter
	foreach($arr as $being_ranked) {
		$t1 = $t2 = 0;
		if ($order == 'asc') {
			foreach ($arr as $checking) {
				if ($checking > $being_ranked) continue;
				if ($checking < $being_ranked) {
					$t1++;
				} else {
					$t2++; // equal so increment tie counter
				}
			}
		} elseif ($order == 'desc') {
			foreach ($arr as $checking) {
				if ($checking < $being_ranked) continue;
				if ($checking > $being_ranked) {
					$t1++;
				} else {
					$t2++; // equal so increment tie counter
				}
			}
		}
		$ranks[] = floor($t1 + ($t2 + 1) / 2);
	}
	return $ranks;
}