Register Sidebar

gistfile1.txt

function sidebar_init() {
  register_sidebar( array(
		'name'          => __( 'Sidebar', 'theme' ),
		'id'            => 'sidebar-1',
		'before_widget' => '<section id="%1$s" class="widget %2$s">',
		'after_widget'  => '</section>',
		'before_title'  => '<h1 class="widget-title">',
		'after_title'   => '</h1>',
	) );
}
add_action( 'widgets_init', 'sidebar_init' );