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This article summarizes how to implement guest login functionality in Laravel.

Implementation Environment

Laravel Framework 8.*
Laravel Mix v6.0.*

Prerequisites

The guest user to be logged in is already in the DB.

Specifications

Register the guest user in advance.

This time, we will proceed with the ID of the generated guest user as 1.

Implementation Method of Guest User Login Function

Create Routes

web.php

// Controller generation, use statement is omitted.
Route::post('/guest-login', [ LoginController::class, 'guest'])->name('guestLogin');

Write in the Controller

LoginController.php

use Auth;
use App\Models\User;

<!-- ~~~~~ -->

public function guest()
{
  $guestUserId = 1; // Set guest user's ID as 1
  $user = User::find($guestUserId);
  Auth::login($user);
  // Redirect to where you want to after login
  // return redirect()->route('home');
}

Add Button on the Display Side

POST to the created route.

It may be fine to use GET for this type of function, like in a portfolio, but this time we are using POST.

<form methods="POST" action="{{ route('guestLogin') }}">
  @csrf
  <button>Guest Login</button>
</form>

Summary

That's all. Hope this can be helpful for someone.

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