Output WordPress user authentication status to console

wordpress_auth_console.php

<?php
function display_wordpress_user_auth()
{ ?>
    <script>
        <?php
        $current_user = wp_get_current_user();
        if (isset($current_user)) {
            if ($current_user->ID === 0) {
                echo 'console.log(\'User is anonymous\');';
            } else {
                echo 'const wpUserEmail =\'' . $current_user->user_email . '\';' . PHP_EOL;
                echo 'console.log(\'User is authenticated as: \', wpUserEmail);';
            }
        }
        ?>
    </script>
    <?php
}

?>

Updated to PSR-12