TypeError Object
(
    [message:protected] => array_key_exists(): Argument #2 ($array) must be of type array, null given
    [string:Error:private] => 
    [code:protected] => 0
    [file:protected] => /var/www/html/website/ctrl/incl/shared.php
    [line:protected] => 434
    [trace:Error:private] => Array
        (
            [0] => Array
                (
                    [function] => {closure}
                )

            [1] => Array
                (
                    [file] => /var/www/html/website/ctrl/incl/shared.php
                    [line] => 432
                    [function] => array_walk
                )

            [2] => Array
                (
                    [file] => /var/www/html/website/ctrl/incl/campervans.php
                    [line] => 105
                    [function] => {closure}
                )

            [3] => Array
                (
                    [file] => /var/www/html/website/ctrl/products.php
                    [line] => 65
                    [args] => Array
                        (
                            [0] => /var/www/html/website/ctrl/incl/campervans.php
                        )

                    [function] => require_once
                )

            [4] => Array
                (
                    [file] => /var/www/html/website/process-form/js-include.php
                    [line] => 38
                    [args] => Array
                        (
                            [0] => /var/www/html/website/ctrl/products.php
                        )

                    [function] => require_once
                )

        )

    [previous:Error:private] => 
)