Laravel Validation Required Example

Dharmik Tank April 19, 2021

Hi Guys,

Today, I will learn you to create validation required in laravel.we will show example of laravel validation required. The field under validation must be present in the input data and not empty. A field is considered "empty" if one of the following conditions are true

  • The value is null.
  • The value is an empty string.
  • The value is an empty array or empty Countable object.
  • The value is an uploaded file with no path.

Here, I will give you full example for simply required validation in laravel bellow.

solution 
$request->validate([
  'rank' => 'required',
]);
Route : routes/web.php 
Route::get('form/create','FromController@index');
Route::post('form/store','FromController@store')->name('form.store');
Controller : app/Http/Controllers/BlogController.php 
<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\Blade;
use App\Models\User;
use App\Models\Post;

class FromController extends Controller
{   
    /**
     * Write code on Method
     *
     * @return response()
     */
    public function create()
    {
        return view('form');
    }
    
    /**
     * Write code on Method
     *
     * @return response()
     */
    public function store(Request $request)
    {
        $request->validate([
            'rank' => 'required',
        ]);
      dd('done');
    }
}
View : resources/views/form.php 
<!DOCTYPE html>
<html>
<head>
  <title>From</title>
  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.5.2/css/bootstrap.min.css" integrity="sha512-MoRNloxbStBcD8z3M/2BmnT+rg4IsMxPkXaGh2zD6LGNNFE80W3onsAhRcMAMrSoyWL9xD7Ert0men7vR8LUZg==" crossorigin="anonymous" />
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.min.js"></script>
</head>
<body class="bg-dark">
  <div class="container">
    <div class="row">
      <div class="col-md-6 offset-3">
        <div class="card mt-5">
          <div class="card-header">
            <div class="row">
              <div class="col-md-9">
                 Laravel Validation numeric Example
              </div>
              <div class="col-md-3 text-right">
                <a href="{{ route('form') }}" class="btn btn-sm btn-outline-primary">Back</a>
              </div>
            </div>
          </div>
          <div class="card-body">
                @if (count($errors) > 0)
                      <div class="row">
                          <div class="col-md-12">
                              <div class="alert alert-danger alert-dismissible">
                                  <button type="button" class="close" data-dismiss="alert" aria-hidden="true">×</button>
                                  @foreach($errors->all() as $error)
                                  {{ $error }} <br>
                                  @endforeach      
                              </div>
                          </div>
                      </div>
                    @endif
              <form action="{{ route('from.store') }}" method="post">
                @csrf
                <div class="row">
                  <div class="col-md-12">
                    <div class="form-group">
                      <label>Rank:</label>
                      <input name="rank" type="text" class="form-control">
                    </div>
                  </div>
                </div>
                <div class="row">
                  <div class="col-md-12">
                    <button class="btn btn-block btn-success">Submit</button>
                  </div>
                </div>
              </form>
          </div>
        </div>
      </div>
    </div>
  </div>
</body>
</html>

It will help you...

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