gregoriohc / omnipay-spreedly

        foreach ($keys as $key) {

            $parts = explode('.', $key);

            while (count($parts) > 1) {

                $part = array_shift($parts);

                if (isset($array[$part]) && is_array($array[$part])) {

                    $array = &$array[$part];

                } else {

                    $parts = array();

                }

            }

            unset($array[array_shift($parts)]);

        $keys = explode('.', $key);

        while (count($keys) > 1)

        {

            $key = array_shift($keys);

            // If the key doesn't exist at this depth, we will just create an empty array

            // to hold the next value, allowing us to create the arrays to hold final

            // values at the correct depth. Then we'll keep digging into the array.

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

            {

                $array[$key] = array();

            }

            $array =& $array[$key];

        }

        $array[array_shift($keys)] = $value;