Issue with array validation with OC v3 and Laravel 9

Need Help
#1

On my local and staging server, the following validation rule works as expected on OC v2. But it is not working on the client server and OC v3.

the form data

Array
(

    [industries] => Array
        (
            [0] => 19
            [1] => 17
        )
)

the validation rule

$rules = [
    'industries'            => 'required|array|exists:voilaah_astar_industries,id',
];

on the server client, the validation does not pass and replied The industries must be an array. where on my local it works as expected.

what is going on here?

#2

Apparently with Laravel 9 validation, you must define the array key that must be present in the array.

but in my case, i dont have any key, but an index array.

any existing validation of array in OC v3 will not work as in v1 and v2 anymore

#3

I believe that the min:1 rule would suffice.

$rules = [
    'industries' => 'required|min:1|exists:voilaah_astar_industries,id',
];
#4

actually, Laravel 9 validation sysmte detects that the attributes is an array, so this is works:

$rules = [
    'industries' => 'required|exists:voilaah_astar_industries,id',
];
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