fuelphp / common

			{

				$key = array_shift($keys);

				if (! isset($array[$key]) or ! is_array($array[$key]))

				{

					$array[$key] = array();

				}

				$array =& $array[$key];

			}

				{

					$key = array_shift($keys);

					$key = is_numeric($key) ? (int) $key : $key;

					if (! isset($temp[$key]) or ! is_array($temp[$key]))

					{

						$temp[$key] = array();

					}

					$temp =& $temp[$key];

				}