laravel validation blade error not showing code example

Example 1: how to show validation error in laravel blade

@if($errors->any())
    <div class="alert alert-danger">
        <p><strong>Opps Something went wrong</strong></p>
        <ul>
        @foreach ($errors->all() as $error)
            <li>{{ $error }}</li>
        @endforeach
        </ul>
    </div>
@endif

@if(session('success'))
    <div class="alert alert-success">{{session('success')}}</div>
@endif

@if(session('error'))
    <div class="alert alert-danger">{{session('error')}}</div>
@endif

Example 2: how to show validation error in laravel blade

<!-- /resources/views/post/create.blade.php -->

<h1>Create Post</h1>

@if ($errors->any())
    <div class="alert alert-danger">
        <ul>
            @foreach ($errors->all() as $error)
                <li>{{ $error }}</li>
            @endforeach
        </ul>
    </div>
@endif

<!-- Create Post Form -->