This code is for validating update requests in laravel. It's implemented using the laravel form request feature which can be implemented using php artisan:make request UpdateBlogPostRequest.

UpdateBlogPostRequest

<?php

namespace App\Http\Requests;
use Illuminate\Foundation\Http\FormRequest;

class UpdateBlogPostRequest extends FormRequest {

    /**
     * Determine if the user is authorized to make this request.
     *
     * @return bool
     */
    public function authorize() {
        return true;
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules() {
        
        //post received from update function parameter
        $id = $this->post->id;
        return [
            'title' => "bail|required|max:255|unique:posts,title,$id",
            'description' => 'required|max:255',
            'content' => 'required',
        ];
    }

}