How can i get single value without foreach

[eluser]onejaguar[/eluser]
I created a helper function to do this for me:

Code:

//
// Return database results with a single value
//
function db_pop(&$result) {
  if ($result->num_rows() == 1)
    return array_pop($result->row_array());
  return null;
}

just call with

Code:

echo db_pop($query);