laravel $errors->has code example

Example 1: displaying errors in laravel

@if(count($errors) > 0)
<div class="p-1">
    @foreach($errors->all() as $error)
    <div class="alert alert-warning alert-danger fade show" role="alert">{{$error}} <button type="button" class="close"
            data-dismiss="alert" aria-label="Close">
            <span aria-hidden="true">&times;</span>
        </button></div>
    @endforeach
</div>
@endif

Example 2: laravel validation

/**
 * Store a new blog post.
 *
 * @param  Request  $request
 * @return Response
 */
public function store(Request $request)
{
    $validatedData = $request->validate([
        'title' => 'required|unique:posts|max:255',
        'body' => 'required',
    ]);

    // The blog post is valid...
}