bp_get_blog_id()

	function bp_get_blog_id() {
		global $blogs_template;

		/**
		 * Filters the ID of the current blog in the loop.
		 *
		 * @since BuddyPress 1.7.0
		 *
		 * @param int $blog_id ID of the current blog in the loop.
		 */
		return apply_filters( 'bp_get_blog_id', $blogs_template->blog->blog_id );
	}