spyc.yml loaded into PHP:
Array
(
    [1040] => Ooo, a numeric key!
    [String] => Anyone's name, really.
    [Int] => 13
    [True] => 1
    [False] => 
    [Zero] => 0
    [Null] => 
    [Float] => 5.34
    [0] => PHP Class
    [1] => Basic YAML Loader
    [2] => Very Basic YAML Dumper
    [3] => Array
        (
            [0] => YAML is so easy to learn.
            [1] => Your config files will never be the same.
        )

    [4] => Array
        (
            [cpu] => 1.5ghz
            [ram] => 1 gig
            [os] => os x 10.4.1
        )

    [domains] => Array
        (
            [0] => yaml.org
            [1] => php.net
        )

    [5] => Array
        (
            [program] => Adium
            [platform] => OS X
            [type] => Chat Client
        )

    [no time] => There isn't any time for your tricks! 
Do you understand?
    [some time] => There is nothing but time
for your tricks.
    [databases] => Array
        (
            [0] => Array
                (
                    [name] => spartan
                    [notes] => Array
                        (
                            [0] => Needs to be backed up
                            [1] => Needs to be normalized
                        )

                    [type] => mysql
                )

        )

    [if: you'd] => like
    [6] => Array
        (
            [0] => One
            [1] => Two
            [2] => Three
            [3] => Four
        )

    [7] => Array
        (
            [0] => One
            [1] => Array
                (
                    [0] => Two
                    [1] => And
                    [2] => Three
                )

            [2] => Four
            [3] => Five
        )

    [8] => Array
        (
            [0] => This
            [1] => Array
                (
                    [0] => Is
                    [1] => Getting
                    [2] => Array
                        (
                            [0] => Ridiculous
                            [1] => Guys
                        )

                )

            [2] => Seriously
            [3] => Array
                (
                    [0] => Show
                    [1] => Mercy
                )

        )

    [9] => Array
        (
            [name] => chris
            [age] => young
            [brand] => lucky strike
        )

    [10] => Array
        (
            [name] => mark
            [age] => older than chris
            [brand] => Array
                (
                    [0] => marlboro
                    [1] => lucky strike
                )

        )

    [dynamic languages] => Array
        (
            [0] => Perl
            [1] => Python
            [2] => PHP
            [3] => Ruby
        )

    [compiled languages] => Array
        (
            [0] => C/C++
            [1] => Java
        )

    [all languages] => Array
        (
            [0] => Array
                (
                    [0] => Perl
                    [1] => Python
                    [2] => PHP
                    [3] => Ruby
                )

            [1] => Array
                (
                    [0] => C/C++
                    [1] => Java
                )

        )

    [11] => you know, this shouldn't work.  but it does.
    [12] => that's my value.
    [13] => again, that's my value.
    [14] => here's to "quotes", boss.
    [15] => Array
        (
            [name] => Foo, Bar's
            [age] => 20
        )

)