get_comment_author( int|WP_Comment $comment_ID )

检索当前注释的作者。
Retrieves the author of the current comment.

目录锚点：#说明#参数#返回#源码

---

说明（Description）

如果评论的“评论作者”字段为空，则假定为“匿名”人员。

参数（Parameters）

返回（Return）

（string）注释作者

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 );
}