Laravel validation array, access to element on validation?

Question

I have an array of elements that i want to validate, this array have this form

{
    "slugs" : {
        1 : "prueba",
        2 : "test"
}

Slugs is the input <input name="slugs[{{ $lang->id }}]"> and the numbers are the id of the language 1 = spanish / 2 = english.

What i want is to validate these field uniqueness, in a form request like this

public function rules()
{
    $rules = [
        //
        'slugs.*' => Rule::unique('translation_entries')->where(function($query) {
            //here i want to access the * that represent the lang id
            //like this $query->where('lang_id','=',$query->*);
        })
    ];
}

can i access the index * inside the unique Rule class?

What version of Laravel are you using?

Rwd
– Rwd

2018-08-28 21:34:55 +00:00
Commented Aug 28, 2018 at 21:34 — Rwd
– Rwd, Commented Aug 28, 2018 at 21:34

Rwd · Accepted Answer · 2018-08-28 21:45:09Z

1

As long as you're using Laravel >=5.5 you can use a closure

'slugs.*' => [
    function ($attribute, $value, $fail) {
        $id = str_after($attribute, '.');

        if (\DB::table('translation_entries')->where('lang_id', $id)->where('slug', $value)->exists()) {
            $fail('The slug has already been taken.');
        }
    },
],

Change 'slug' to be the name of the column on the translation_entries table (if different).

answered Aug 28, 2018 at 21:45

Rwd

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