BP_Blogs_Component::setup_nav( array $main_nav = array(), array $sub_nav = array() )

	public function setup_nav( $main_nav = array(), $sub_nav = array() ) {

		/**
		 * Blog/post/comment menus should not appear on single WordPress setups.
		 * Although comments and posts made by users will still show on their
		 * activity feed.
		 */
		if ( ! is_multisite() ) {
			return false;
		}

		// Determine user to use.
		if ( bp_displayed_user_domain() ) {
			$user_domain = bp_displayed_user_domain();
		} elseif ( bp_loggedin_user_domain() ) {
			$user_domain = bp_loggedin_user_domain();
		} else {
			return;
		}

		$slug       = bp_get_blogs_slug();
		$parent_url = trailingslashit( $user_domain . $slug );

		// Add 'Sites' to the main navigation.
		$count    = (int) bp_get_total_blog_count_for_user();
		$class    = ( 0 === $count ) ? 'no-count' : 'count';
		$nav_text = sprintf(
			/* translators: %s: Site count for the current user */
			__( 'Sites %s', 'buddyboss' ),
			sprintf(
				'<span class="%s">%s</span>',
				esc_attr( $class ),
				bp_core_number_format( $count )
			)
		);
		$main_nav = array(
			'name'                => $nav_text,
			'slug'                => $slug,
			'position'            => 30,
			'screen_function'     => 'bp_blogs_screen_my_blogs',
			'default_subnav_slug' => 'my-sites',
			'item_css_id'         => $this->id
		);

		$sub_nav[] = array(
			'name'            => __( 'My Sites', 'buddyboss' ),
			'slug'            => 'my-sites',
			'parent_url'      => $parent_url,
			'parent_slug'     => $slug,
			'screen_function' => 'bp_blogs_screen_my_blogs',
			'position'        => 10
		);

		// Setup navigation.
		parent::setup_nav( $main_nav, $sub_nav );
	}