header-sidebar

a page or post title, meta info, and excerpt in the sidebar to be presented at -90 degree angle.

// Register Sidebars
function sidebar_post_title() {

	$args = array(
		'id'            => 'header-sidebar',
		'class'         => 'sidebar-post-title',
		'name'          => __( 'Post Title', 'text_domain' ),
		'description'   => __( 'sidebar for post information', 'text_domain' ),
		'before_title'  => '<h3 class="post-title">',
		'after_title'   => '</h3>',
		'before_widget' => '<header id="%1$s" class="sidebart %2$s">',
		'after_widget'  => '</header>',
	);
	register_sidebar( $args );

}
add_action( 'widgets_init', 'sidebar_post_title' );