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How laravel Auth:user() or Auth:id() works
Is it resides in session or database.
I searched but not get good article.
Please help to understand. I know I will get many down-votes ;)
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Difference between auth()->user()->id and Auth::user()->id. Short explanation: No difference really, they both return an instance of Illuminate\Auth\AuthManager . So Auth:: and auth() in your examples will be the exact same object.
The attempt method accepts an array of key / value pairs as its first argument. The password value will be hashed. The other values in the array will be used to find the user in your database table. So, in the example above, the user will be retrieved by the value of the email column.
Auth::user() — You can check if a user is authenticated or not via this method from the Auth Facade. It returns true if a user is logged-in and false if a user is not. Check here for more about how Facades work in Laravel.
Laravel includes built-in authentication and session services which are typically accessed via the Auth and Session facades. These features provide cookie-based authentication for requests that are initiated from web browsers. They provide methods that allow you to verify a user's credentials and authenticate the user.
You can find this method in Auth\SessionGuard class :
Authenticatable|null user()
Get the currently authenticated user.
Return Value Authenticatable|null
Check it out: https://laravel.com/api/5.7/Illuminate/Auth/SessionGuard.html#method_user
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Did you read this? Its a good guide to start with
https://laravel.com/docs/5.4/authentication
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