WordPress: Show user's login status

WordPress: Show user’s login status

At the moment I’m working a lot on the subject of WordPress member areas. There are well-known large plugins with their own extensions, but sometimes you only need a short login or logout here and there.

Description of the problem: A WordPress site with a simple community area built around user group permissions needed not only its own login page, but also a permanent link in the header. This should be called “login” logically, but unfortunately it is still called “login” even if a user was logged in.

Solution: An if query that outputs an individual text based on the login status.

The solution: Of course, WordPress also has an integrated function that queries the user’s login status: is_user_logged_in() Since this is understandably not a theme function, it is not located in the respective PHP file, but can be found in wp-includes/pulggable.php:



function is_user_logged_in() {
    $user = wp_get_current_user();
 
    return $user->exists();
}

The function outputs a true if the user is logged in or a false if this is not the case. It is used by WordPress itself for around 30 different purposes, but as I said, you can also use it in our case. All you need is a PHP script:



<?php if ( is_user_logged_in() ) { ?>
    <a href="https://matterne.eu/wordpress-login-zustand-des-users-anzeigen/linkzurlogoutseite.html">Logout</a>
<?php } else { ?>
    <a href="linkzurloginseite.html">Login</a>
<?php } ?>

Is the function is_user_logged_in() true, the logged in user will see a “logout” and all non-logged in users will see a “login”.

Pro tip: In this case, an individual login page was used, but you can of course also instead of the individual URLs /wp-login.php use as link to WordPress login page and feature to log out the user.

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