bp_nouveau_get_nav_count()

	function bp_nouveau_get_nav_count() {
		$bp_nouveau = bp_nouveau();
		$nav_item   = $bp_nouveau->current_nav_item;
		$count      = 0;

		if ( 'directory' === $bp_nouveau->displayed_nav ) {
			$count = (int) str_replace(',', '', $nav_item->count );

		} elseif ( 'groups' === $bp_nouveau->displayed_nav && ( 'members' === $nav_item->slug || 'all-members' === $nav_item->slug ) ) {
			$count = groups_get_current_group()->total_member_count;

		} elseif ( 'groups' === $bp_nouveau->displayed_nav &&  'subgroups' === $nav_item->slug  ) {
			$count = count( bp_get_descendent_groups( bp_get_current_group_id(), bp_loggedin_user_id() ) );
		} elseif ( 'groups' === $bp_nouveau->displayed_nav && 'leaders' == $nav_item->slug ) {
			$group  = groups_get_current_group();
			$admins = groups_get_group_admins( $group->id );
			$mods   = groups_get_group_mods( $group->id );
			$count  = sizeof( $admins ) + sizeof( $mods );

		// @todo imho BuddyPress shouldn't add html tags inside Nav attributes...
		} elseif ( 'personal' === $bp_nouveau->displayed_nav && ! empty( $nav_item->primary ) ) {
			$span = strpos( $nav_item->name, '<span' );

			// Grab count out of the <span> element.
			if ( false !== $span ) {
				$count_start = strpos( $nav_item->name, '>', $span ) + 1;
				$count_end   = strpos( $nav_item->name, '<', $count_start );
				$count       = (int) substr( $nav_item->name, $count_start, $count_end - $count_start );
			}
		}

		/**
		 * Filter to edit the count attribute for the nav item.
		 *
		 * @since BuddyPress 3.0.0
		 *
		 * @param int $count    The count attribute for the nav item.
		 * @param object $nav_item The current nav item object.
		 * @param string $value    The current nav in use (eg: 'directory', 'groups', 'personal', etc..).
		 */
		return (int) apply_filters( 'bp_nouveau_get_nav_count', $count, $nav_item, $bp_nouveau->displayed_nav );
	}