代码放在当前主题Functions.php 文件中。

也可通过后台 外观-主题编辑器 进入编辑。

将代码放在结尾 ?> 的前面

1. //自动TAG转内链
2. $match_num_from = 2; // 一个TAG标签出现几次才加链接
3. $match_num_to = 1; // 同一个标签加几次链接
4. add_filter('the_content','tag_link',1);
5. function tag_sort($a, $b){
6. if ( $a->name == $b->name ) return 0;
7. return ( strlen($a->name) > strlen($b->name) ) ? -1 : 1;
8. }
9. function tag_link($content){
10. global $match_num_from,$match_num_to;
11. $posttags = get_the_tags();
12. if ($posttags) {
13. usort($posttags, "tag_sort");
14. foreach($posttags as $tag) {
15. $link = get_tag_link($tag->term_id);
16. $keyword = $tag->name;
17. $cleankeyword = stripslashes($keyword);
18. $url = "<a href=\"$link\" title=\"".str_replace('%s',addcslashes($cleankeyword, '$'),__('View all posts in %s'))."\"";
19. $url .= ' target="_blank"';
20. $url .= ">".addcslashes($cleankeyword, '$')."</a>";
21. $limit = rand($match_num_from,$match_num_to);
22. $content = preg_replace( '|(<a[^>]+>)(.*)('.$ex_word.')(.*)(</a[^>]*>)|U'.$case, '$1$2%&&&&&%$4$5', $content);
23. $content = preg_replace( '|(<img)(.*?)('.$ex_word.')(.*?)(>)|U'.$case, '$1$2%&&&&&%$4$5', $content);
24. $cleankeyword = preg_quote($cleankeyword,'\'');
25. $regEx = '\'(?!((<.*?)|(<a.*?)))('. $cleankeyword . ')(?!(([^<>]*?)>)|([^>]*?</a>))\'s' . $case;
26. $content = preg_replace($regEx,$url,$content,$limit);
27. $content = str_replace( '%&&&&&%', stripslashes($ex_word), $content);
28. }
29. }
30. return $content;
31. }