get_comment_author_url( int|WP_Comment $comment_id = 0 ): string

358function get_comment_author_url( $comment_id = 0 ) {359	$comment = get_comment( $comment_id );360 361	$comment_author_url = '';362	$comment_id         = 0;363 364	if ( ! empty( $comment ) ) {365		$comment_author_url = ( 'http://' === $comment->comment_author_url ) ? '' : $comment->comment_author_url;366		$comment_author_url = esc_url( $comment_author_url, array( 'http', 'https' ) );367 368		$comment_id = $comment->comment_ID;369	}370 371	/**372	 * Filters the comment author's URL.373	 *374	 * @since 1.5.0375	 * @since 4.1.0 The `$comment_id` and `$comment` parameters were added.376	 *377	 * @param string          $comment_author_url The comment author's URL, or an empty string.378	 * @param string|int      $comment_id         The comment ID as a numeric string, or 0 if not found.379	 * @param WP_Comment|null $comment            The comment object, or null if not found.380	 */381	return apply_filters( 'get_comment_author_url', $comment_author_url, $comment_id, $comment );382}