multiple file upload validation with array in laravel 5.x

laravel_multiple_file_upload_validation.php

<?php
public function store(Request $request)
{
    
    $this->validate($request, [
        'images.*' => 'required|mimes:jpg,jpeg,png,bmp|max:2000'
      ],[
        'images.*.required' => 'Please upload an image only',
        'images.*.mimes' => 'Only jpeg, png, jpg and bmp images are allowed',
        'images.*.max' => 'Sorry! Maximum allowed size for an image is 2MB',
    ]);
   
    // Write your code
}

######################## -- OR -- ##########################
public function store(Request $request)
{
   
    $input = $request->all();
   
    $validator = Validator::make(
        $input, 
        [
            'images.*' => 'required|mimes:jpg,jpeg,png,bmp|max:20000'
        ],[
            'images.*.required' => 'Please upload an image',
            'images.*.mimes' => 'Only jpeg,png and bmp images are allowed',
            'images.*.max' => 'Sorry! Maximum allowed size for an image is 20MB',
        ]
    );
   
    if ($validator->fails()) {
        // If fails then return Validation error.. 
    }
   
    // Write your code
}