how to change the key of validation error in laravel

Question

I am new to laravel and working on apis, I have made an api in which i have implemented validation.Everything is working fine but i am stuck on a little thing. I want to to change the key name in the validation error. For example For the "unique" validation error. This is what now showing

I want to rename "email"(text) key with "message"(text)

I have tried so many thing in illuminate/support/validation.php

messagebag.php file but if it changes then error show of "data undefined".

The links i followed are

https://stillat.com/blog/2018/04/21/laravel-5-message-bags-adding-messages-to-the-message-bag-with-add

https://laracasts.com/discuss/channels/laravel/custom-validation-message-for-array-using-different-key?page=0

Override laravel validation message

This is the validation code

$validator = Validator::make($request->all(), [ 
      'first_name' => 'required',
      'last_name' => 'required',
      'email' => 'required|email|unique:users',
      'fcm_token' => 'required',
      'password' => 'required',  
      'c_password' => 'required|same:password' 
    ]); 

Answer 1

You can manually loop over the error MessageBag and construct the response to replace a key

    $validator = Validator::make($request->all(), [ 
      'first_name' => 'required',
      'last_name'  => 'required',
      'email'      => 'required|email|unique:users',
      'fcm_token'  => 'required',
      'password'   => 'required',  
      'c_password' => 'required|same:password' 
    ]);   

    $errors = [];
    foreach ($validator->errors()->messages() as $key => $value) {
        if($key == 'email')
            $key = 'message';
        $errors[$key] = is_array($value) ? implode(',', $value) : $value;
        //implode is for when you have multiple errors for a same key
        //like email should valid as well as unique
    }

    $result = array("status" => count($errors)?0:1, 'data'=>$errors);
    return $result;

Answer 2

In resources - lang - en (Or Any Langauge) - validation.php

Put This code in bottom:

'attributes' => [
    'email' => 'The Email', 
],

Answer 3

In order to change the key of the error message of a certain field, you can transfer the validation of this particular field from the request to the controller (or service). This way you can throw an error with any name you want.

For example:

if (#your validation of the field failed#) {
  throw ValidationException::withMessages(['your_key' => 'your message']);
}

And don't forget this line:

use Illuminate\Validation\ValidationException;

The error now will look like this:

{
    "message": "The given data was invalid.",
    "errors": {
        "your_key": [
            "your message"
        ]
    }
}

Answer 4

In addition to @wael-serag answer: https://stackoverflow.com/a/59948967/8915498

Be aware that in the latest versions of laravel, the lang directory does not include by default

Laravel documentation on customizing validation errors

So don't forget to run

php artisan lang:publish

Answer 5

if I understand the problem well. This will help you:

a https://laravel.com/docs/7.x/validation#rule-unique

In your case:

'email' => 'required|email|unique:users,message'

unique:table,column,except,idColumn

Hope it helps.

Answer 6

In Laravel, you can try and validate your email this way:

'email'=>'required|email'