Which code sample will skip running the login_required "before" filter on the get_posts controller action?
login_required
get_posts
before_action :login_required, skip: [:get_posts]
skip_before_action :login_required, except: [:get_posts]
skip_before_action :login_required, only: [:get_posts]
skip_action before: :login_required, only: [:get_posts]