Laravel 8 – Form Validation Example

Laravel 8 – Form Validation Example

Laravel 8 form validation example tutorial. Here, we will show you how to validate form data in laravel 8 app.

In this tutorial, we will create employees detail form and submit form data in controller. And validate form data before insert/save to database.

Laravel 8 Example Form Validation

  • Step 1 – Download Laravel 8 Application
  • Step 2 – Setup Database with App
  • Step 3 – Create Model & Migration
  • Step 4 – Create Form Routes
  • Step 5 – Create Form Controller By Artisan Command
  • Step 6 – Create Form Blade File
  • Step 7 – Run Development Server

Step 1 – Download Laravel 8 Application

First of all download or install laravel 8 new setup. So, open terminal and type the following command to install new laravel 8 app into your machine:

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

Step 2 – Setup Database with App

In this step, setup database with your downloded/installed laravel 8 app. So, you need to find .env file and setup database details as following:

DB_CONNECTION=mysql
DB_HOST=127.0.0.1
DB_PORT=3306
DB_DATABASE=database-name
DB_USERNAME=database-user-name
DB_PASSWORD=database-password

Step 3 – Create Model & Migration

In this step, open again your command prompt. And run the following command on it. To create model and migration file for form:

php artisan make:model Employee -m

After that, open create_employees_table.php file inside FormValidation/database/migrations/ directory. And the update the function up() with following code:

    public function up()
    {
        Schema::create('employees', function (Blueprint $table) {
            $table->id();
            $table->string('name');
            $table->string('email');
            $table->string('contact_no');
            $table->string('age');
            $table->timestamps();
        });
    }

Then, open again command prompt and run the following command to create tables into database:

php artisan migrate

Step 4 – Create Form Routes

In this step, open web.php file from routes direcotry. And update the following routes into web.php file:

use App\Http\Controllers\FormController;

Route::get('form', [FormController::class, 'index']);
Route::post('store-form', [FormController::class, 'store']);

Step 5 – Create Form Controller By Artisan Command

In this step, run the following command on command prompt to create controller file:

php artisan make:controller FormController

After that, go to app/http/controllers and open FormController.php file. And update the following code into it:

<?php

namespace App\Http\Controllers;

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


class FormController extends Controller
{
    public function index()
    {
        return view('form');
    }

    public function store(Request $request)
    {
        
        $validatedData = $request->validate([
          'name' => 'required',
          'email' => 'required|unique:employees|max:255',
          'age' => 'required',
          'contact_no' => 'required|unique:employees|max:255',
        ]);

        $emp = new Employee;

        $emp->name = $request->name;
        $emp->email = $request->email;
        $emp->age = $request->age;
        $emp->contact_no = $request->contact_no;

        $emp->save();

        return redirect('form')->with('status', 'Form Data Has Been validated and insert');

    }
}

Step 6 – Create Form Blade File

Now, create form blade view file to display form and submit to database. So, Go to resources/views and create form.blade.php and update the following code into it:

<!DOCTYPE html>
<html>
<head>
<title>Laravel 8 Example Form Validation</title>
<meta name="csrf-token" content="{{ csrf_token() }}">
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
</head>
<body>
<div class="container mt-4">
@if(session('status'))
<div class="alert alert-success">
{{ session('status') }}
</div>
@endif
<div class="card">
<div class="card-header text-center font-weight-bold">
<h2>Laravel 8 Form Validation Tutorial</h2>
</div>
<div class="card-body">
<form name="employee" id="employee" method="post" action="{{url('store-form')}}">
@csrf
<div class="form-group">
<label for="exampleInputEmail1">Name</label>
<input type="text" id="name" name="name" class="@error('name') is-invalid @enderror form-control">
@error('name')
<div class="alert alert-danger mt-1 mb-1">{{ $message }}</div>
@enderror
</div>        
<div class="form-group">
<label for="exampleInputEmail1">Email</label>
<input type="email" id="email" name="email" class="@error('email') is-invalid @enderror form-control">
@error('email')
<div class="alert alert-danger mt-1 mb-1">{{ $message }}</div>
@enderror
</div>        
<div class="form-group">
<label for="exampleInputEmail1">Age</label>
<input type="number" id="age" name="age" class="@error('age') is-invalid @enderror form-control">
@error('age')
<div class="alert alert-danger mt-1 mb-1">{{ $message }}</div>
@enderror
</div>        
<div class="form-group">
<label for="exampleInputEmail1">Contact No</label>
<input type="number" id="contact_no" name="contact_no" class="@error('contact_no') is-invalid @enderror form-control">
@error('contact_no')
<div class="alert alert-danger mt-1 mb-1">{{ $message }}</div>
@enderror
</div>
<button type="submit" class="btn btn-primary">Submit</button>
</form>
</div>
</div>
</div>  
</body>
</html>

The following below code will display validation error message on blade view file:

@error('name')
<div class="alert alert-danger mt-1 mb-1">{{ $message }}</div>
@enderror

Step 7 – Run Development Server

Last step, open command prompt and run the following command to start developement server:

php artisan serve

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

http://127.0.0.1:8000/form

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AuthorAdmin

My name is Devendra Dode. I am a full-stack developer, entrepreneur, and owner of Tutsmake.com. I like writing tutorials and tips that can help other developers. I share tutorials of PHP, Python, Javascript, JQuery, Laravel, Livewire, Codeigniter, Node JS, Express JS, Vue JS, Angular JS, React Js, MySQL, MongoDB, REST APIs, Windows, Xampp, Linux, Ubuntu, Amazon AWS, Composer, SEO, WordPress, SSL and Bootstrap from a starting stage. As well as demo example.

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