method foo(text = null)
{

}

action bar()
{
	somearray = [ moo : "text", ];
}


BECOMES:

Array
(
    [0] => Array
        (
            [0] => Array
                (
                    [type] => 901
                    [value] => foo
                )

            [1] => Array
                (
                    [0] => Array
                        (
                            [0] => Array
                                (
                                    [type] => 1
                                    [value] => text
                                )

                            [1] => Array
                                (
                                    [type] => 40
                                    [value] => =
                                )

                            [2] => Array
                                (
                                    [type] => 1
                                    [value] => null
                                )

                        )

                )

            [2] => Array
                (
                    [0] => Array
                        (
                        )

                )

        )

    [1] => Array
        (
            [0] => Array
                (
                    [type] => 901
                    [value] => bar
                )

            [1] => Array
                (
                    [0] => Array
                        (
                        )

                )

            [2] => Array
                (
                    [0] => Array
                        (
                            [0] => Array
                                (
                                    [type] => 1
                                    [value] => somearray
                                )

                            [1] => Array
                                (
                                    [type] => 40
                                    [value] => =
                                )

                            [2] => Array
                                (
                                    [type] => 3
                                    [value] => Array
                                        (
                                            [0] => Array
                                                (
                                                    [0] => Array
                                                        (
                                                            [type] => 1
                                                            [value] => moo
                                                        )

                                                    [1] => Array
                                                        (
                                                            [type] => 41
                                                            [value] => =>
                                                        )

                                                    [2] => Array
                                                        (
                                                            [type] => 2
                                                            [value] => text
                                                        )

                                                )

                                        )

                                )

                        )

                    [1] => Array
                        (
                        )

                )

        )

)