当达到2个帖子(自定义帖子类型称为主题)时，如何使以下循环中断/停止？

这是的主题循环bbPress plugin. 当它到达两个立柱时，我如何使其停止？（主题自定义帖子类型）？

<?php

/**
 * Topics Loop
 *
 * @package bbPress
 * @subpackage Theme
 */

?>

<?php if ( bbp_get_query_name() || bbp_has_topics() ) : ?>

    <?php get_template_part( \'pagination\', \'bbp_topics\' ); ?>

    <table class="bbp-topics" id="bbp-forum-<?php bbp_topic_id(); ?>">
        <thead>
            <tr>
                <th class="bbp-topic-title"><?php _e( \'Topic\', \'bbpress\' ); ?></th>
                <th class="bbp-topic-voice-count"><?php _e( \'Voices\', \'bbpress\' ); ?></th>
                <th class="bbp-topic-reply-count"><?php _e( \'Replies\', \'bbpress\' ); ?></th>
                <th class="bbp-topic-reply-count"><?php _e( \'Votes\', \'bbpress\' ); ?></th>
                <th class="bbp-topic-freshness"><?php _e( \'Freshness\', \'bbpress\' ); ?></th>
                <?php if ( ( bbp_is_user_home() && ( bbp_is_favorites() || bbp_is_subscriptions() ) ) ) : ?><th class="bbp-topic-action"><?php _e( \'Remove\', \'bbpress\' ); ?></th><?php endif; ?>
            </tr>
        </thead>

        <tfoot>
            <tr><td colspan="<?php echo ( bbp_is_user_home() && ( bbp_is_favorites() || bbp_is_subscriptions() ) ) ? \'5\' : \'4\'; ?>">&nbsp;</td></tr>
        </tfoot>

        <tbody>

            <?php while ( bbp_topics() ) : bbp_the_topic(); ?>

                <tr id="topic-<?php bbp_topic_id(); ?>" <?php bbp_topic_class(); ?>>

                    <td class="bbp-topic-title">
                        <a href="<?php bbp_topic_permalink(); ?>" title="<?php bbp_topic_title(); ?>"><?php bbp_topic_title(); ?></a>

                        <p class="bbp-topic-meta">

                            <?php printf( __( \'Started by: %1$s\', \'bbpress\' ), bbp_get_topic_author_link( array( \'size\' => \'14\' ) ) ); ?>

                            <?php if ( !bbp_is_forum() || ( bbp_get_topic_forum_id() != bbp_get_forum_id() ) ) printf( __( \'in: <a href="%1$s">%2$s</a>\', \'bbpress\' ), bbp_get_forum_permalink( bbp_get_topic_forum_id() ), bbp_get_forum_title( bbp_get_topic_forum_id() ) ); ?>

                        </p>

                    </td>

                    <td class="bbp-topic-voice-count"><?php bbp_topic_voice_count(); ?></td>

                    <td class="bbp-topic-reply-count"><?php bbp_topic_reply_count(); ?></td>

                    <td class="bbp-topic-reply-count"><?php DisplayVotes(get_the_ID()); ?></td>

                    <td class="bbp-topic-freshness">

                        <?php bbp_topic_freshness_link(); ?>

                        <p class="bbp-topic-meta">

                            <?php bbp_author_link( array( \'post_id\' => bbp_get_topic_last_active_id(), \'size\' => 14 ) ); ?>

                        </p>
                    </td>

                    <?php if ( bbp_is_user_home() ) : ?>

                        <?php if ( bbp_is_favorites() ) : ?>

                            <td class="bbp-topic-action">

                                <?php bbp_user_favorites_link( array( \'mid\' => \'+\', \'post\' => \'\' ), array( \'pre\' => \'\', \'mid\' => \'&times;\', \'post\' => \'\' ) ); ?>

                            </td>

                        <?php elseif ( bbp_is_subscriptions() ) : ?>

                            <td class="bbp-topic-action">

                                <?php bbp_user_subscribe_link( array( \'before\' => \'\', \'subscribe\' => \'+\', \'unsubscribe\' => \'&times;\' ) ); ?>

                            </td>

                        <?php endif; ?>

                    <?php endif; ?>

                </tr><!-- #topic-<?php bbp_topic_id(); ?> -->

            <?php endwhile; ?>

        </tbody>

    </table><!-- #bbp-forum-<?php bbp_topic_id(); ?> -->

    <?php get_template_part( \'pagination\', \'bbp_topics\' ); ?>

<?php else : ?>

    <div id="topic-0" class="post">
        <div class="entry-content">
            <p><?php _e( \'Oh bother! No topics were found here! Perhaps searching will help.\', \'bbpress\' ); ?></p>

            <?php get_search_form(); ?>

        </div><!-- .entry-content -->
    </div><!-- #post-0 -->

<?php endif; ?>

<?php $showposts=2; $counter=0; while ( bbp_topics() ) : bbp_the_topic(); $counter++; if(counter<=$showposts) { ?> /*** Do stuff ***/ <?php } else { break; } endwhile; ?>

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