Array
(
    [0] => ENV
    [1] => production
    [2] => /mais/home/sixcms/app/config/
    [3] => Mandant: 
    [4] => 147846
    [5] => Jahre: 
    [6] => Array
        (
            [2018] => Array
                (
                    [id] => 378995
                    [release_date] => 2018-02-01 00:00:00
                )

        )

    [7] => Array
        (
            [0] => Array
                (
                    [release_date] => 2018
                )

        )

)