2019年6月

停用wordpress的链接猜测功能

Function代码

// 停用wordpress的链接猜测功能,minirizhi.com
add_filter('redirect_canonical', 'stop_guessing');
function stop_guessing($url) {
if (is_404()) {
return false;
}
return $url;
}

Wordpress删除Google字体

Function代码

// Remove Open Sans that WP adds from frontend minirizhi.com
if (!function_exists('remove_wp_open_sans')) :
    function remove_wp_open_sans() {
        wp_deregister_style( 'open-sans' );
        wp_register_style( 'open-sans', false );
    }
    // 前台删除Google字体CSS
     add_action('wp_enqueue_scripts', 'remove_wp_open_sans');
    // 后台删除Google字体CSS
     add_action('admin_enqueue_scripts', 'remove_wp_open_sans');
endif;

Wordpress标签关键词内链

Function代码

//关键词内链，by minirizhi.com
$match_num_from = 1;        //一篇文章中同一个标签少于几次不自动链接
$match_num_to = 3;        //一篇文章中同一个标签最多自动链接几次
function tag_sort($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($cleankeyword, '$'),__('查看更多关于 %s 的文章'))."\"";
                $url .= ' target="_blank"';
                $url .= ">".addcslashes($cleankeyword, '$')."</a>";
                $limit = rand($match_num_from,$match_num_to);
                $content = preg_replace( '|(<a[^>]+>)(.*)<pre.*?>('.$ex_word.')(.*)<\/pre>(</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;
}
add_filter('the_content','tag_link',1);

Wordpress上传文件重命名

Function代码

//wordpress上传文件重命名，by minirizhi.com
function minirizhi_upload_filter($file) {
$time = date("YmdHis");
$file['name'] = $time . "" . mt_rand(1, 100) . "." . pathinfo($file['name'], PATHINFO_EXTENSION);
return $file;
}
add_filter('wp_handle_upload_prefilter', 'minirizhi_upload_filter');