How to validate laravel array with custom request?

Question

How to validate with custom request, my request with an array key

$request = [
  'link_inc_characteristic_id' => $inc_char_id[$i],
  'value' => $value[$i],
  'created_by' => $created_by,
  'last_updated_by' => $last_updated_by,
];

$this->validate($request, [
   'value['.$i.']' => 'max:30'
]);

$linkIncCharacteristicValue = LinkIncCharacteristicValue::create($request);
return Response::json($linkIncCharacteristicValue);

[EDIT] [CODE UPDATED] display error:

Argument 1 passed to App\Http\Controllers\Controller::validate() must be an instance of Illuminate\Http\Request, array given,

Validation does not work and no error..... input value automatic cut on database field length, no error from validation.. — Khoerodin
– Khoerodin, Commented Mar 2, 2016 at 12:39
I think, you store not array to $request['value'] = $value[$i] but you trying validate 'value['.$i.']' => 'max:30', if you need validate array you must type 'value.*' => 'max:30' — esperant
– esperant, Commented Mar 2, 2016 at 12:55
this my submitted data on console, with ajax ; value[18] value[19] value[20] value[5] asasasaasshgafshgafshgafshgafsfafsasasasa value[7] value[8] value[9] — Khoerodin
– Khoerodin, Commented Mar 2, 2016 at 13:06

Christoffer Tyrefors · Accepted Answer · 2016-03-02 17:51:10Z

2

The Controller::validate() is not a generic validation method, it validates requests. For this use case, simply use the validator directly:

Validator::make($data, ['value' => 'max:30']);

answered Mar 2, 2016 at 17:51

Christoffer Tyrefors

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Martin Bean · Accepted Answer · 2016-03-02 12:55:08Z

1

The error message is telling you what’s wrong:

Argument 1 passed to App\Http\Controllers\Controller::validate() must be an instance of Illuminate\Http\Request, array given

So pass the Request instance to the validate() method:

public function store(Request $request)
{
    $this->validate($request, [
        'value.*' => 'max:30',
    ]);
}

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answered Mar 2, 2016 at 12:55

Martin Bean

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Comments

Khoerodin · Accepted Answer · 2016-03-03 02:19:16Z

0

Its because I am putting the validation inside loop and not use * character to validate an array

...
for ($i=0; $i < $count ; $i++) {
   ...
   $this->validate($request, [
      'value['.$i.']' => 'max:30'
   ]);
   ...
   // save etc
}

right code, put validation before loop, and use * character for array validation :

$this->validate($request, [
      'value.*' => 'max:30'
]);
...
for ($i=0; $i < $count ; $i++) {
   // save etc
}

answered Mar 3, 2016 at 2:19

Khoerodin

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