Debug session_tokens without using protected functions

login-debug.php

@@ -41,8 +41,9 @@ function debug_login_auth_cookie_bad_session_token($cookie_elements) {
     // Try to see if the validation fails because of session_tokens usermeta attribute.
     $user = get_user_by('login', $username);
     $manager = WP_Session_Tokens::get_instance( $user->ID );
-    $verifier = $manager->hash_token($token);
-    $sessions = $manager->get_sessions();
+    $verifier = hash('sha256', $token);
+    //$sessions = $manager->get_sessions();
+    $sessions = get_user_meta($user->ID, 'session_tokens', true);
     $session_names = implode(",", array_keys($sessions));
 
     error_log("LOGIN: auth_cookie_bad_session_token: username={$username} token={$token} verifier={$verifier} sessions={$session_names}");