bp_get_friend_friendship_id()

	function bp_get_friend_friendship_id() {
		global $members_template;

		if ( !$friendship_id = wp_cache_get( 'friendship_id_' . $members_template->member->id . '_' . bp_loggedin_user_id() ) ) {
			$friendship_id = friends_get_friendship_id( $members_template->member->id, bp_loggedin_user_id() );
			wp_cache_set( 'friendship_id_' . $members_template->member->id . '_' . bp_loggedin_user_id(), $friendship_id, 'bp' );
		}

		/**
		 * Filters the ID of the friendship between the logged in user and the current user in the loop.
		 *
		 * @since BuddyPress 1.2.0
		 *
		 * @param int $friendship_id ID of the friendship.
		 */
		return apply_filters( 'bp_get_friend_friendship_id', $friendship_id );
	}