bbp_get_reply_position_raw( int $reply_id, int $topic_id )

function bbp_get_reply_position_raw( $reply_id = 0, $topic_id = 0 ) {

	// Get required data
	$reply_id       = bbp_get_reply_id( $reply_id );
	$topic_id       = !empty( $topic_id ) ? bbp_get_topic_id( $topic_id ) : bbp_get_reply_topic_id( $reply_id );
	$reply_position = 0;

	// If reply is actually the first post in a topic, return 0
	if ( $reply_id !== $topic_id ) {

		// Make sure the topic has replies before running another query
		$reply_count = bbp_get_topic_reply_count( $topic_id, false );
		if ( !empty( $reply_count ) ) {

			// Get reply id's
			$topic_replies = bbp_get_all_child_ids( $topic_id, bbp_get_reply_post_type() );
			if ( !empty( $topic_replies ) ) {

				// Reverse replies array and search for current reply position
				$topic_replies  = array_reverse( $topic_replies );
				$reply_position = array_search( (string) $reply_id, $topic_replies );

				// Bump the position to compensate for the lead topic post
				$reply_position++;
			}
		}
	}

	return (int) $reply_position;
}