已识别正则表达式jiggery扑克：

<?php
$categories = wp_list_categories(\'title_li=&show_count=1&echo=0\');
$categories = preg_replace(\'/<\\/a> \\(([0-9]+)\\)/\', \' <span class="count">[\\\\1]</span></a>\', $categories);
echo $categories;
?>