（全网独家）如何正确的避免你的 WordPress 管理员登录用户名被暴露

function get_comment_class( $class = '', $comment_id = null, $post_id = null ) {
	global $comment_alt, $comment_depth, $comment_thread_alt;

	$comment = get_comment($comment_id);

	$classes = array();

	// Get the comment type (comment, trackback),
	$classes[] = ( empty( $comment->comment_type ) ) ? 'comment' : $comment->comment_type;

	// Add classes for comment authors that are registered users.
	if ( $comment->user_id > 0 && $user = get_userdata( $comment->user_id ) ) {
		$classes[] = 'byuser';
		$classes[] = 'comment-author-' . sanitize_html_class( $user->user_nicename, $comment->user_id );
		// For comment authors who are the author of the post
		if ( $post = get_post($post_id) ) {
			if ( $comment->user_id === $post->post_author ) {
				$classes[] = 'bypostauthor';
			}
		}
	}

	if ( empty($comment_alt) )
		$comment_alt = 0;

elseif ( is_author() ) {
    $author = $wp_query->get_queried_object();
    $classes[] = 'author';
    if ( isset( $author->user_nicename ) ) {
        $classes[] = 'author-' . sanitize_html_class( $author->user_nicename, $author->ID );
	$classes[] = 'author-' . $author->ID;
    }
}

/**
 *（全网独家）如何正确的避免你的 WordPress 管理员登录用户名被暴露 - 龙笑天下
 * https://www.ilxtx.com/further-hide-your-wordpress-admin-username.html
 * 说明：直接去掉函数 comment_class() 和 body_class() 中输出的 "comment-author-" 和 "author-"
 */
function lxtx_remove_comment_body_author_class($content){	
    $pattern = "/(.*?)([^>]*)author-([^>]*)(.*?)/i";
    $replacement = '$1$4';
    $content = preg_replace($pattern, $replacement, $content);  
    return $content;
}
add_filter('comment_class', 'lxtx_remove_comment_body_author_class');
add_filter('body_class', 'lxtx_remove_comment_body_author_class');

// comment_class()过滤后的结果如下，去掉了原有 class 里的 comment-author-test10，请和上面的图 1 比较
class="comment byuser  bypostauthor odd alt thread-odd thread-alt depth-1"

// body_class()过滤后的结果如下，去掉了原有 class 里的 author-test10 和 author-1，请和上面的图 2 比较
class="archive author  logged-in"

/**
 *（全网独家）如何正确的避免你的 WordPress 管理员登录用户名被暴露 - 龙笑天下
 * https://www.ilxtx.com/further-hide-your-wordpress-admin-username.html
 * 说明：直接去掉函数 comment_class() 和 body_class() 中输出的 "comment-author-" 和 "author-"
 */
function lxtx_remove_comment_body_author_class( $classes ) {
	foreach( $classes as $key => $class ) {
		if(strstr($class, "comment-author-")||strstr($class, "author-")) {
			unset( $classes[$key] );
		}
	}
	return $classes;
}
add_filter( 'comment_class' , 'lxtx_remove_comment_body_author_class' );
add_filter('body_class', 'lxtx_remove_comment_body_author_class');

/**
*（全网独家）如何正确的避免你的 WordPress 管理员登录用户名被暴露 - 龙笑天下
* https://www.ilxtx.com/further-hide-your-wordpress-admin-username.html
* 说明：comment_class() 和 body_class() 中输出的 nicename 改为 userid 或者 username
* 20170527：优化原 Injov 版的输出昵称方法
*/
function lxtx_change_comment_or_body_classes($classes, $comment_id){
    global $wp_query;
    $comment = get_comment( $comment_id );  
    $user = get_userdata( $comment->user_id );
    $comment_author = 'comment-author-' . sanitize_html_class( $user->user_nicename, $comment->user_id );
    $author = $wp_query->get_queried_object();
    $archive_author = 'author-' . sanitize_html_class( $author->user_nicename, $author->ID );
    foreach( $classes as $key => $class ) {
        switch( $class ) {
            case $comment_author:
                // $classes[$key] = 'comment-author-' . sanitize_html_class( $comment->comment_author, $comment->user_id );
                $classes[$key] = 'comment-author-' . sanitize_html_class( $comment->user_id );
            break;          
            case $archive_author:
                // $classes[$key] = 'author-' . sanitize_html_class( get_the_author_meta( 'display_name' ), $author->ID );
                $classes[$key] = 'author-' . sanitize_html_class( $author->ID );
            break;
        }
    }   
 
    return $classes;
}
add_filter( 'comment_class', 'lxtx_change_comment_or_body_classes', 10, 2 );
add_filter( 'body_class', 'lxtx_change_comment_or_body_classes', 10, 2 );