Laravel 11/10 Custom Validation Rules and Error Messages

The easiest way to implement custom validation rules and error messages in Laravel 11 /10 is just to open your controller, define custom validation rules, and open your blade view to define custom error messages in laravel applications.

How to Create Custom Validation Rules and Error Messages Laravel 11 / 10

Steps to add custom validation rules with messages and display custom error messages in Laravel 11 / 10 blade views:

Step 1 – Create New Laravel 10 Project

First of all, Open your terminal or the command prompt.

Then execute the following command into it to download or install Laravel 10 new setup:

composer create-project --prefer-dist laravel/laravel Blog

Step 2 – Setup Database with Laravel Project

Once you have installed and set up laravel project on server. Then you need to configure your database with your apps.

So, visit your app root directory and find .env file. Then configure database details as follows:

DB_CONNECTION=mysql
DB_HOST=127.0.0.1
DB_PORT=3306
DB_DATABASE=here your database name here
DB_USERNAME=here database username here
DB_PASSWORD=here database password here

Recommended:- Laravel 10 – Form Validation Example

Step 3 – Run Migration Command

In this step, execute the following command on terminal or cmd to create tables into database:

php artisan migrate

This command will create some tables into your database.

Step 4 – Define Routes

In this step, Open your routes/web.php and update the following routes into your routes/web.php file:

routes/web.php

use App\Http\Controllers\CustomErrorController;


Route::get('form', [CustomErrorController::class, 'index']);
Route::get('store', [CustomErrorController::class, 'store']);

Step 5 – Generate Controller By Command

In this step, execute the following command on terminal or command prompt to create a custom error message controller in laravel app:

php artisan make:controller CustomErrorController

Once you have executed the above given command. Then you need to go app/Http/Controllers directory and open CustomErrorController.php file and update the following code into your controller file:

app/Http/Controllers/CustomErrorController.php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\Models\User;

class CustomErrorController extends Controller
{
    public function create()
    {
        return view('form');
    }

    public function store(Request $request)
    {
        $request->validate(
            [
                'name' => 'required',
                'password' => 'required|min:5',
                'email' => 'required|email|unique:users'
            ],
            [
                'name.required' => 'Name is required',
                'password.required' => 'Password is required'
            ]
          );

        $input = $request->all();
        $input['password'] = bcrypt($input['password']);
        $user = User::create($input);

        return back()->with('success', 'User created successfully.');
    }
}

Step 6 – Create Blade View

In this step, Go to resources/views folder and create one blade view file name from.blade.php and update the following code into your file:

<!DOCTYPE html>
<html>
<head>
    <title>Laravel 10 Custom Validation Error Message Example Tutorial -Tutsmake.com</title>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
</head>
<body>
    <div class="container">

        <h1>Laravel 10 Custom Validation Error Message Example</h1>

        @if(Session::has('success'))
        <div class="alert alert-success">
            {{ Session::get('success') }}
            @php
                Session::forget('success');
            @endphp
        </div>
        @endif

        <form method="POST" action="{{ route('store') }}">

            @csrf

            <div class="form-group">
                <label>Name:</label>
                <input type="text" name="name" class="form-control" placeholder="Name">
                @if ($errors->has('name'))
                    <span class="text-danger">{{ $errors->first('name') }}</span>
                @endif
            </div>

            <div class="form-group">
                <label>Password:</label>
                <input type="password" name="password" class="form-control" placeholder="Password">
                @if ($errors->has('password'))
                    <span class="text-danger">{{ $errors->first('password') }}</span>
                @endif
            </div>

            <div class="form-group">
                <strong>Email:</strong>
                <input type="text" name="email" class="form-control" placeholder="Email">
                @if ($errors->has('email'))
                    <span class="text-danger">{{ $errors->first('email') }}</span>
                @endif
            </div>

            <div class="form-group">
                <button class="btn btn-success btn-submit">Submit</button>
            </div>
        </form>
    </div>
</body>
</html>

Step 7: Run Development Server

In this step, Execute the PHP artisan serve command on the terminal or cmd to start server locally:

php artisan serve

If you want to run the project diffrent port so use this below command 

php artisan serve --port=8080

Then open your browser and hit the following url on it:

http://localhost:8000/form

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