bp_get_message_thread_last_post_date_raw()

	function bp_get_message_thread_last_post_date_raw() {
		global $messages_template;

		/**
		 * Filters the unformatted date of the last post in the current thread.
		 *
		 * @since BuddyPress 2.1.0
		 *
		 * @param string $last_message_date Unformatted date of the last post in the current thread.
		 */
		return apply_filters( 'bp_get_message_thread_last_message_date', $messages_template->thread->last_message_date );
	}