站长图库向大家介绍了Auto Tag Links,Keywords to Links,WordPress内链,WordP等相关知识,希望对您有所帮助
之前老左博客一直有使用WP keyword Link Plugin插件，但是发现这个插件已经好久没有更新，好像目前在平台中已经找不到。所以准备替换掉这个插件。类似的WordPress插件还是有很多的，比如Keywords to Links Converter、Auto Tag Links等都可以实现。
本着少用插件，能不用插件就不用的策略，所以准备还是无插件实现。
//自动TAG转内链$match_num_from = 2; // 一个TAG标签出现几次才加链接$match_num_to = 1; // 同一个标签加几次链接add_filter('the_content','tag_link',1);function tag_sort($a, $b){if ( $a->name == $b->name ) return 0; return ( strlen($a->name) > strlen($b->name) ) ? -1 : 1;}function tag_link($content){ global $match_num_from,$match_num_to; $posttags = get_the_tags(); if ($posttags) { usort($posttags, "tag_sort"); foreach($posttags as $tag) { $link = get_tag_link($tag->term_id); $keyword = $tag->name; $cleankeyword = stripslashes($keyword); $url = "<a href=\"$link\" title=\"".str_replace('%s',addcslashes($cleankeyword, '$'),__('View all posts in %s'))."\""; $url .= ' target="_blank"'; $url .= ">".addcslashes($cleankeyword, '$')."</a>"; $limit = rand($match_num_from,$match_num_to); $content = preg_replace( '|(<a[^>]+>)(.*)('.$ex_word.')(.*)(</a[^>]*>)|U'.$case, '$1$2%&&&&&%$4$5', $content); $content = preg_replace( '|(<img)(.*?)('.$ex_word.')(.*?)(>)|U'.$case, '$1$2%&&&&&%$4$5', $content); $cleankeyword = preg_quote($cleankeyword,'\''); $regEx = '\'(?!((<.*?)|(<a.*?)))('. $cleankeyword . ')(?!(([^<>]*?)>)|([^>]*?</a>))\'s' . $case; $content = preg_replace($regEx,$url,$content,$limit); $content = str_replace( '%&&&&&%', stripslashes($ex_word), $content); } } return $content;}