Array
(
    [thumbnail] => Array
        (
            [width] => 1600
            [height] => 900
            [crop] => 
        )

    [medium] => Array
        (
            [width] => 300
            [height] => 300
            [crop] => 
        )

    [medium_large] => Array
        (
            [width] => 768
            [height] => 0
            [crop] => 
        )

    [large] => Array
        (
            [width] => 1024
            [height] => 1024
            [crop] => 
        )

    [1536x1536] => Array
        (
            [width] => 1536
            [height] => 1536
            [crop] => 
        )

    [2048x2048] => Array
        (
            [width] => 2048
            [height] => 2048
            [crop] => 
        )

    [archive-thumb] => Array
        (
            [width] => 500
            [height] => 400
            [crop] => 1
        )

    [grid-thumb] => Array
        (
            [width] => 300
            [height] => 400
            [crop] => 
        )

    [gform-image-choice-sm] => Array
        (
            [width] => 300
            [height] => 300
            [crop] => 1
        )

    [gform-image-choice-md] => Array
        (
            [width] => 400
            [height] => 400
            [crop] => 1
        )

    [gform-image-choice-lg] => Array
        (
            [width] => 600
            [height] => 600
            [crop] => 1
        )

)