Error: Class "App\Http\Controllers\Validator" not found

In this example, you will learn Class 'App\Http\Controllers\Validator' not found. you can understand a concept of error - Class 'App\Http\Controllers\Validator'. it's simple example of validator class not found solve error in laravel. In this article, we will implement a laravel solve error in validator class not found.

You can solve 'Class "App\Http\Controllers\Validator" not found' issue in laravel 6, laravel 7, laravel 8 and laravel 9 version.

So, let's start following example:

Error:

After some research, I found that If you are using the "Validator" facade in Controller, Middleware, or blade file then you must have used facade on top.

so let's see bellow solution and example code here:

Solution:

You must need to add "use Illuminate\Support\Facades\Validator;" on top of controller, middleware, command, event or blade files. Let's see bellow:

use Illuminate\Support\Facades\Validator;

Example:

You can see controller file code, how to use it.

<?php
  
namespace App\Http\Controllers;
  
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Validator;
  
class UserController extends Controller
{
    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request)
    {
        $validator = Validator::make($request->all(), [
            'title' => 'required|unique:posts|max:255',
            'body' => 'required',
        ]);
  
        if ($validator->fails()) {
            return redirect()->back()
                        ->withErrors($validator)
                        ->withInput();
        }
  
        /*------------------------------------------
        --------------------------------------------
        Your Data Save Logic
        --------------------------------------------
        --------------------------------------------*/
 
        return redirect()->back();
    }
}

I hope it can help you...