/**
* 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 );
}