wp get_current_user_id() returns 0

Question

Why do my wordpress get_current_user_id() returns 0?

Answer 1

You need to init before that.

add_action('init', 'my_user_id_Function');

function my_user_id_Function()
{
  return get_current_user_id();
}

echo my_user_id_Function();

Comments

Thanks... yay that saved my day!