wp_ajax_menu_locations_save() WordPress Function

function wp_ajax_menu_locations_save() {
	if ( ! current_user_can( 'edit_theme_options' ) ) {
		wp_die( -1 );
	}

	check_ajax_referer( 'add-menu_item', 'menu-settings-column-nonce' );

	if ( ! isset( $_POST['menu-locations'] ) ) {
		wp_die( 0 );
	}

	set_theme_mod( 'nav_menu_locations', array_map( 'absint', $_POST['menu-locations'] ) );
	wp_die( 1 );
}
Uses	Description
wp-includes/capabilities.php:current_user_can()	Returns whether the current user has the specified capability.
wp-includes/theme.php:set_theme_mod()	Updates theme modification value for the active theme.
wp-includes/pluggable.php:check_ajax_referer()	Verifies the Ajax request to prevent processing requests external of the blog.
wp-includes/functions.php:wp_die()	Kills WordPress execution and displays HTML page with an error message.