apply_filters( ‘get_comment_author’, string $author, int $comment_ID, WP_Comment $comment )

过滤器：：过滤返回的注释作者名称。
Filter Hook: Filters the returned comment author name.

目录锚点：#参数#源码

参数（Parameters）

源码（Source）

/**
 * Retrieve the author of the current comment.
 *
 * If the comment has an empty comment_author field, then 'Anonymous' person is
 * assumed.
 *
 * @since 1.5.0
 *
 * @param int $comment_ID Optional. The ID of the comment for which to retrieve the author. Default current comment.
 * @return string The comment author
 */
function get_comment_author( $comment_ID = 0 ) {
	$comment = get_comment( $comment_ID );

	if ( empty( $comment->comment_author ) ) {
		if ( $comment->user_id && $user = get_userdata( $comment->user_id ) )
			$author = $user->display_name;
		else
			$author = __('Anonymous');
	} else {
		$author = $comment->comment_author;
	}

	/**
	 * Filter the returned comment author name.
	 *
	 * @since 1.5.0
	 * @since 4.1.0 The `$comment_ID` and `$comment` parameters were added.
	 *
	 * @param string $author     The comment author's username.
	 * @param int    $comment_ID The comment ID.
	 * @param object $comment    The comment object.
	 */
	return apply_filters( 'get_comment_author', $author, $comment_ID, $comment );
}