Try different ways to transfer data

• Laravel 8.8
• PHP 7.4
• Jquery
• Bootstrap 4

Small app to import\export CSV in 3 ways (raw PHP, Laravel Excel and spatie/simple-excel) and save request execution time

Fields and validation:

  'user_name' => 'required|string|max:100|unique:custom_users,user_name|regex:/[\w\.]/', // Latin, digits and .
  
  'first_name' => 'required|string|max:100|regex:/[\x{0400}-\x{04FF}\-\s]/u', // Cyrillic, - and whitespace
  
  'last_name' => 'required|string|max:100|regex:/[\x{0400}-\x{04FF}\-\s]/u',
  
  'patronymic' => 'nullable|string|max:100|regex:/[\x{0400}-\x{04FF}\-\s]/u',
  
  'email' => 'required|email|unique:custom_users,email',
  
  'password' => 'required|string|between:8,100',

If you want to test it by yourself don't forget to

composer install
php artisan migrate