comment_author_url()

comment_author_url( int|WP_Comment $comment_id )

function comment_author_url( $comment_id = 0 ) {
	$comment = get_comment( $comment_id );

	$comment_author_url = get_comment_author_url( $comment );

	/**
	 * Filters the comment author's URL for display.
	 *
	 * @since 1.2.0
	 * @since 4.1.0 The `$comment_id` parameter was added.
	 *
	 * @param string $comment_author_url The comment author's URL.
	 * @param string $comment_id         The comment ID as a numeric string.
	 */
	echo apply_filters( 'comment_url', $comment_author_url, $comment->comment_ID );
}