unshift a key value pair

Hi, I was wondering how you could unshift a key value pair onto an array. In the manual one suggested using a function like this: function array_unshift_assoc(&$arr, $key, $val) { $arr = array_reverse($arr, true); $arr[$key] = $val; $arr = array_reverse($arr, true); return count($arr); } it is a nice trick but this did not really convince me. When you have eg an array like this: $a = array("foo"=>"bar", "foo2"=>"bar2") and you do an array_shift operation, you end up with ("foo2"=>"bar2"). So it is really easy to *remove* a key-value pair, but how do you put one in ? Marc