问确定PHP数组中的维数

EN

function countdim($array)
{
    if (is_array(reset($array)))
    {
        $return = countdim(reset($array)) + 1;
    }

    else
    {
        $return = 1;
    }

    return $return;
}

$a["one"]["two"]["three"]="1";

function count_dimension($Array, $count = 0) {
   if(is_array($Array)) {
      return count_dimension(current($Array), ++$count);
   } else {
      return $count;
   }
}

print count_dimension($a);