[PHP] sort multidimensional array?

[phpman]

 Hello,

 i have this code:

while ($row = mysql_fetch_array($results)) {
    $tmp = get_item_reorder_priority($row["item_sku"]);
    $list[$r]["priority"] = $tmp[0];
    $list[$r]["sku"] = $row["item_sku"];
    $r++;
   }

   $list = array_multisort($list["priority"], SORT_NUMERIC, SORT_DESC);

and it returns this error:
  Warning: Argument 1 to array_multisort() is expected to be an array or a
sort flag in d://www/inventory_specific.phtml on line 109

  function get_item_reorder_priority() returns an array - with $tmp[0] being
an integer 1-5
  $row["item_sku"] is simply a string.

  I'm trying to sort by priority numbers (1-5). Any help would be
appreciated.

  -dave



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