30

How can I determine programatically whether the current user is anonymous or authenticated?

56

For the sake of more robust and descriptive code, you can make use of the handy User::isAnonymous() method, e.g.

if (\Drupal::currentUser()->isAnonymous()) {
  // Anonymous user...
}
  • 2
    Whenever possible, use methods like this: program to the interface not the implementation. Using an IDE w/ code completion is invaluable for Drupal 8 work. – mpdonadio Feb 2 '15 at 15:39
  • 3
    For anyone else who comes across this, note that \Drupal::currentUser()->isAuthenticated() is the equivalent of D7 user_is_logged_in() – Jaypan Jan 16 '17 at 8:13
  • I created a custom module and I can't get this function to work. Is there something additional I need to add in my module? Thank you in advance. – SuperTony May 30 at 23:04
6
  $current= \Drupal::currentUser();
  if (!$current->id()) {
    // is visitor
  }
  else {
    // is logged
  }
-3

U can use this code::

global $user;
if ($user->uid == 0) {
  //user is not logged in
}else{
  //user is logged in
}
  • 2
    Drupal code works for Drupal 7, but not in Drupal 8 – Dev May 25 '17 at 12:26
  • 1
    Yeah and use === for strict comparison and put space before and after your else for coding standards :/ – klidifia Jul 9 at 4:45

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