Getting current user ID in a custom block [closed]

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I have a custom block where I need to use [current-user:uid] in just one text. In Drupal 7, I would have used PHP input filter. How can I do this in Drupal 8?

Answer 1

You may use twig bamboo or a preprocess function where you load the current user.

function hook_preprocess_HOOK(&$variables) {
  $vars['user'] = \Drupal\user\Entity\User::load(\Drupal::currentUser()->id());}