function bbp_spam_topic( $topic_id = 0 ) {

	// Get the topic
	$topic = bbp_get_topic( $topic_id );
	if ( empty( $topic ) ) {
		return $topic;
	}

	// Get new status
	$status = bbp_get_spam_status_id();

	// Bail if topic is spam
	if ( $status === $topic->post_status ) {
		return false;
	}

	// Add the original post status as post meta for future restoration
	add_post_meta( $topic_id, '_bbp_spam_meta_status', $topic->post_status );

	// Execute pre spam code
	do_action( 'bbp_spam_topic', $topic_id );

	// Set post status to spam
	$topic->post_status = $status;

	// Empty the topic of its tags
	$topic->tax_input = bbp_spam_topic_tags( $topic_id );

	// No revisions
	remove_action( 'pre_post_update', 'wp_save_post_revision' );

	// Update the topic
	$topic_id = wp_update_post( $topic );

	// Execute post spam code
	do_action( 'bbp_spammed_topic', $topic_id );

	// Return topic_id
	return $topic_id;
}