Removing a value from array trouble

Hello all!

I am trying to remove a specific value from an array. According to php.net the unset() method should work.

unset($row['assoc']);  <-- does not work but
unset($row[0]);  <-- does work but not what I need

I need to be able to remove the value by associative call not numeric…

Any help would be greatly appreciated using the above method or any other way to remove a specific value from array??

Thanks in advance