我在下面有一个目录类，可以找到所有<h2> <h3> 和<h4> 在wordpress帖子中添加标签，它将从中创建一个目录，并为每个标题添加一个ID，因此当您单击链接时，它会将您带到页面的该部分。

下面是生成的TOC的快照。。。

现在这个类的问题是，它只需查找所有标题并在页面加载时构建TOC，然后将生成的TOC前置到$content 邮递

我想找出一种方法，我可以指定TOC将在帖子中显示的位置。例如，如果一篇文章有一个特色图片，那么我想在图片下方显示TOC，而不是在文章的开头。有点像shortcode 这将是理想的，但我不知道如何让它与一个短代码一起工作，我尝试创建一个可以运行这个类的短代码，但它并没有像我希望的那样工作，当我使用一个短代码运行它时，它不会创建TOC。

有没有人有什么想法可以改进它，让它像我描述的那样工作？

使用此筛选器运行该类

add_filter(\'the_content\', array(\'TableOfContents\', \'writeTOC\'));

/**
 * cd-table-of-contents.php
 */

class TableOfContents {

    /**
     * Counts the occurence of header elements in Wordpress content
     * 
     * @param type $content
     * @return null|boolean|array
     */
    static function hasToc($tiers, $content) {

        $pattern = \'/<h[2-\' . $tiers . \']*[^>]*>(.*?)<\\/h([2-\' . $tiers . \'])>/\';
        $return = array();
        if (empty($content))
            return null;

        if (!preg_match_all($pattern, $content, $return)) {
            return false;
        }
        return $return;
    }

    /**
     * Generates a table of content only when singular pages are being viewed
     * 
     * @param type $tiers
     * @param type $text
     */
    static function generateTableOfContents($tiers, $content, $draw = TRUE, $return = array()) {

        if (!is_singular())
            return $content;

        // numbers on or off?
        $num_on = true;

        $content = $toc . $content;
        $searches = array();
        $replaces = array();
        $return = (is_array($return) && !empty($return) ) ? $return : TableOfContents::hasToc($tiers, $content);

        if ($draw && !empty($return)):
            if($num_on){
                $toc = \'<div class="toc nonumbers">\';
            }else{
                $toc = \'<div class="toc">\';
            }

            $toc .= "<h4>Table of Contents</h4>";
            $toc .= "<ul class=\\"parent start\\">";
            $tags = reset($return);
            $titles = $return[1];
            $levels = end($return);
            $_level = 2;
            $chapters = array(\'0\',\'0\',\'0\',\'0\',\'0\',\'0\');

            $count = 0;
            foreach ($tags as $i => $htag) {
                $count++;
                $attributes = array();
                $href = $count;

                $newId = \'id="\' . $href . \'"\';
                $newhtag = \'><span style="position: absolute; margin-top: -60px;" \' .$newId. \'></span>\';
                $htagr = str_replace(\'>\' . $titles[$i], "\\t" . $newhtag  . $titles[$i], $htag);
                $searches[] = $htag;
                $replaces[] = $htagr;


                if ((int)$levels[$i] === (int)$_level):
                    if($num_on){
                        $chapters[$_level-1] = ((int)$chapters[$_level-1]+1);
                        $chapter = implode(\'.\', array_slice($chapters, 1, ($levels[$i]-1)  ) );
                        $toc .= \'<li><span>\' . strval($chapter) . \'</span> <a href="#\' . $href . \'">\' . $titles[$i] . \'</a></li>\';
                    }else{
                        $toc .= \'<li><a href="#\' . $href . \'">\' . $titles[$i] . \'</a></li>\';
                    }

                endif;

                if ($levels[$i] > $_level) {
                    $_steps = ((int) $levels[$i] - (int) $_level);

                    for ($j = 0; $j < $_steps; $j++):
                        $toc .= \'<ol class="continue">\';
                        $chapters[$levels[$i]-1+$j] = (int)$chapters[$levels[$i]-1+$j]+1;
                        $_level++;
                    endfor;
                    $chapter = implode(\'.\', array_slice($chapters, 1, ($levels[$i]-1)  ) );

                    if($num_on){
                        $toc .= \'<li><span>\' . strval($chapter) . \'</span> <a href="#\' . $href . \'">\' . $titles[$i] . \'</a></li>\';
                    }else{
                        $toc .= \'<li><a href="#\' . $href . \'">\' . $titles[$i] . \'</a></li>\';
                    }

                }

                if ($levels[$i] < $_level) {

                    $_steps = ((int) $_level - (int) $levels[$i]);
                    $chapters[$levels[$i]-1] = (int)$chapters[$levels[$i]-1]+1;
                    $_olevel = $_level;
                    for ($j = 0; $j < $_steps; $j++):
                        $chapters[$levels[$i]+$j] = 0;
                        $toc .= \'</ol>\';
                        $_level--;
                    endfor;

                    $chapters[$_olevel-1] = 0;
                    $chapter = implode(\'.\', array_slice($chapters, 1, ($levels[$i]-1)  ) );

                    if($num_on){
                        $toc .= \'<li><span>\' . strval($chapter) . \'</span> <a href="#\' . $href . \'">\' . $titles[$i] . \'</a></li>\';
                    }else{
                        $toc .= \'<li><a href="#\' . $href . \'">\' . $titles[$i] . \'</a></li>\';
                    }

                }
            }
            $toc .= \'</ul>\';
            $toc .= \'</div><div class="clear"></div>\';
            $content = str_replace($searches, $replaces, $content);
            $content = $toc . $content;
        endif;

        return $content;
    }

    /**
     * Appends the table of content to the $content
     * AKA. Executes our filter
     * 
     * @param type $content
     * @return type
     */
    static function writeToc($content) {

        $content = TableOfContents::generateTableOfContents(4, $content, TRUE);
        return $content;
    }

}

add_filter(\'the_content\', array(\'TableOfContents\', \'writeTOC\'));