bp_get_group_member_count()

	function bp_get_group_member_count() {
		global $groups_template;

		if ( isset( $groups_template->group->total_member_count ) ) {
			$count = (int) $groups_template->group->total_member_count;
		} else {
			$count = 0;
		}

		$count_string = sprintf( _n( '%s member', '%s members', $count, 'buddyboss' ), bp_core_number_format( $count ) );

		/**
		 * Filters the "x members" count string for a group.
		 *
		 * @since BuddyPress 1.2.0
		 *
		 * @param string $count_string The "x members" count string for a group.
		 */
		return apply_filters( 'bp_get_group_member_count', $count_string );
	}