上一篇/下一篇文章链接显示的类别错误

我想要我的single.php 为帖子下方的上一篇和下一篇帖子显示相同类别的帖子。问题是，我的每个帖子都属于多个类别，它们通过其他类别（24）中的一个显示，而我希望它们从（27）中显示出来。这有意义吗？

示例类别：

字符（父类别）（下面列出的子类别ID：）

24（改为显示此类别ID。）

27（这是我要显示的类别ID。）

    <?php
    if (is_single() && in_category(\'stories\')) {
        $post_id = $post->ID;
        $cat = get_the_category(); //I\'ve tried changing this to my category (both ID and slug)
        $current_cat_id = $cat[0]->cat_ID;  //Also tried plugging ID and slug

        $args = array(
            \'category\' => $current_cat_id, //Also tried plugging ID and slug
            \'orderby\' => \'post_date\',
            \'order\' => \'DESC\'
        );
        $posts = get_posts($args);

        $ids = array();
        foreach ($posts as $thepost) {
            $ids[] = $thepost->ID;
        }

        $thisindex = array_search($post_id, $ids);
        $previd = $ids[$thisindex - 1];
        $nextid = $ids[$thisindex + 1];

        if (!empty($nextid)) {
            ?><div class="double-grid"><a rel="next" href="<?php echo get_permalink($nextid) ?>"><div class="image-tile tile-on-archive-page" style="background-image: url(\'<?php echo get_the_post_thumbnail_url($nextid); ?>\'"> <div class="gold-button">LAST STORY >></div></div></a></div><?php
        }
        if (!empty($previd)) {
            ?><div class="double-grid"><a rel="prev" href="<?php echo get_permalink($previd) ?>"><div class="image-tile tile-on-archive-page" style="background-image: url(\'<?php echo get_the_post_thumbnail_url($previd); ?>\'"> <div class="gold-button">NEXT STORY >></div></div></a></div><?php
        }
    }
    ?>

<?php previous_post_link( // prints the formatted link \'<span>« %link</span>\', // beautifying around \'Prev in this cat\', // the text (%link) to be used in the span above true, // confirm that you want only this category \'\', // no categories to exclude \'category\' // taxonomy name ); echo " | "; // just a separator between next and prev /* The same setup here, not shown to keep the answer clean */ next_post_link();

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