List Sidebar
// Register Sidebar
function custom_sidebar() {
$args = array(
'id' => 'main-sidebar',
'name' => __( 'Main Widget Area', 'text_domain' ),
'description' => __( 'Appears on posts and pages in the sidebar.', 'text_domain' ),
'before_title' => '<h2 class="widgettitle">',
'after_title' => '</h2>',
'before_widget' => '<li id="%1$s" class="widget %2$s">',
'after_widget' => '</li>',
);
register_sidebar( $args );
}
// Hook into the 'widgets_init' action
add_action( 'widgets_init', 'custom_sidebar' );