--- developer/modules/ecommerce-4.7.0/subproducts/subproducts.module	2006-09-04 03:02:46.000000000 -0600
+++ developer/modules/ecommerce-4.7.0-hacks/subproducts/subproducts.module	2006-09-15 13:18:21.000000000 -0600
@@ -1010,65 +1010,30 @@ function subproducts_admin_sql() {
  * lists of potential subproducts, from which users can select which
  * ones to generate.
  *
- * No doubt there is some elegant way to permute any number of arrays,
- * but this implementation is limited to five.
+ * This combination code submitted by brmassa - July 22, 2006
+ * http://drupal.org/node/75020
  *
  * @param $array
  *   Structured array of attributes.
  */
-function subproducts_permute($array) {
-  $results = array();
-  $keys = array_keys($array);
-
-  switch (count($keys)) {
-    case 1:
-      foreach($array[$keys[0]] as $val0) {
-        $results[]= array($keys[0] => $val0);
-      }
-      break;
-    case 2:
-      foreach($array[$keys[0]] as $val0) {
-        foreach($array[$keys[1]] as $val1) {
-          $results[]= array($keys[0] => $val0, $keys[1] => $val1);
-        }
-      }
-      break;
-    case 3:
-      foreach($array[$keys[0]] as $val0) {
-        foreach($array[$keys[1]] as $val1) {
-          foreach($array[$keys[2]] as $val2) {
-            $results[]= array($keys[0] => $val0, $keys[1] => $val1, $keys[2] => $val2);
-          }
-        }
-      }
-      break;
-    case 4:
-      foreach($array[$keys[0]] as $val0) {
-        foreach($array[$keys[1]] as $val1) {
-          foreach($array[$keys[2]] as $val2) {
-            foreach($array[$keys[3]] as $val3) {
-              $results[]= array($keys[0] => $val0, $keys[1] => $val1, $keys[2] => $val2, $keys[3] => $val3);
-            }
-          }
-        }
-      }
-      break;
-    case 5:
-    default:
-      foreach($array[$keys[0]] as $val0) {
-        foreach($array[$keys[1]] as $val1) {
-          foreach($array[$keys[2]] as $val2) {
-            foreach($array[$keys[3]] as $val3) {
-              foreach($array[$keys[4]] as $val4) {
-                $results[]= array($keys[0] => $val0, $keys[1] => $val1, $keys[2] => $val2, $keys[3] => $val3, $keys[4] => $val4);
-              }
-            }
-          }
-        }
-      }
-      break;
-  }
-  return $results;
+function subproducts_permute($array, $start = 0, $value = array(), $results = array()) {
+	$keys = array_keys($array) ;
+	$number = count($keys) -1;
+
+	foreach($array[$keys[$start]] as $value[$start] ) {
+		if ($start < $number) {
+			$results = subproducts_permute($array, $start+1, $value, $results);
+		}
+		else {
+			$values=array();
+			for($i = 0; $i <= $number ; $i++){
+				$values[$keys[$i]]= $value[$i] ;
+			}
+			$results[] = $values;
+		}
+	}
+
+	return $results;
 }
 
 /**