Array
(
    [0] => Array
        (
            [#tag] => link
            [#attributes] => Array
                (
                    [rel] => image_src
                    [href] => ||
                )

        )

    [1] => image_src
)

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

Array
(
    [0] => Array
        (
            [#tag] => meta
            [#attributes] => Array
                (
                    [property] => og:image
                    [content] => https://dev.birdnote.org||
                )

        )

    [1] => og_image_0
)

Array
(
    [0] => https://dev.birdnote.org
    [1] => 
)

Array
(
    [0] => Array
        (
            [#tag] => meta
            [#attributes] => Array
                (
                    [property] => og:image:alt
                    [content] => ||
                )

        )

    [1] => og_image_alt
)

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

Array
(
    [0] => Array
        (
            [#tag] => meta
            [#attributes] => Array
                (
                    [name] => twitter:description
                    [content] => || ||
                )

        )

    [1] => twitter_cards_description
)

Array
(
    [0] => 
    [1] =>  
    [2] => 
)

Array
(
    [0] => Array
        (
            [#tag] => meta
            [#attributes] => Array
                (
                    [name] => twitter:image
                    [content] => https://dev.birdnote.org||
                )

        )

    [1] => twitter_cards_image
)

Array
(
    [0] => https://dev.birdnote.org
    [1] => 
)

Array
(
    [0] => Array
        (
            [#tag] => meta
            [#attributes] => Array
                (
                    [name] => twitter:image:alt
                    [content] => ||
                )

        )

    [1] => twitter_cards_image_alt
)

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