Laravel Breeze Tutorial LoginRequest.php Changes

LoginRequest.php

<?php

class LoginRequest extends FormRequest
{
  protected $loginField;
  protected $loginValue;
  /**
   * Prepare the data for validation.
   *
   * @return void
   */
  protected function prepareForValidation()
  {
    $this->loginField = filter_var($this->input('login'),
      FILTER_VALIDATE_EMAIL) ? 'email' : 'username';
    $this->loginValue = $this->input('login');
    $this->merge([$this->loginField => $this->loginValue]);
  }