<"htmlcode">

<"\n", 'orderby' => 'name', 'order' => 'ASC', 'exclude' => null, 'include' => null, 'topic_count_text_callback' => default_topic_count_text, 'link' => 'view', 'taxonomy' => 'post_tag', 'echo' => true, 'child_of' => null(see Note!) ); "htmlcode">

$html = '<ul class="post_tags">';
foreach (get_tags( array('number' => 50, 'orderby' => 'count', 'order' => 'DESC', 'hide_empty' => false) ) as $tag){
 $color = dechex(rand(0,16777215));
 $tag_link = get_tag_link($tag->term_id);
 $html .= "<li><a href='{$tag_link}' title='{$tag->name} Tag' class='{$tag->slug}' style='color:#{$color}'>";
 $html .= "{$tag->name} ({$tag->count})</a></li>";
}
$html .= '</ul>';
echo $html;


如果要求随机获取标签在首页显示，那可以使用以下代码，但这种做法貌似不利于seo，可得慎重使用


//获取随机标签
function get_rand_tags()
{
 global $post, $wpdb;
 $sql = "SELECT * FROM {$wpdb->prefix}terms wt INNER JOIN {$wpdb->prefix}term_taxonomy wtt on wt.term_id=wtt.term_id where wtt.taxonomy='post_tag' ORDER BY RAND() LIMIT 20";
 $related_posts = $wpdb->get_results($sql);
 $html = '<ul class="post_tags">';
 foreach($related_posts as $tag)
 {
 $color = dechex(rand(0,16777215));
 $tag_link = get_tag_link($tag->term_id);
 $html .= "<li><a href='{$tag_link}' target='_blank' title='{$tag->name} Tag' class='{$tag->slug}' style='color:#{$color}'>";
 $html .= "{$tag->name} ({$tag->count})</a></li>";
 }
 $html .= '</ul>';
 echo $html;
}


获取随机标签用get_tags函数怎么变化参数都是没法获取到的（反正我是获取不到，欢迎大神留言指导），结果最后就用的sql连接表查询就搞出来了。
总结
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