Something

$this->assign('home_label', 'Your Home Label');

$this->assign('display_login', true);

$this->assign( 'post_id', ( isset($this->post) && $this->post->content_type == Post::type('page') ) ? $this->post->id : 0 );

if( !$this->template_engine->assigned( 'page' ) ) {
$this->assign('page', isset( $page ) ? $page : 1 );
}