get_comment_type()

get_comment_type( int|WP_Comment $comment_id ): string

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

	if ( '' === $comment->comment_type ) {
		$comment->comment_type = 'comment';
	}

	/**
	 * Filters the returned comment type.
	 *
	 * @since 1.5.0
	 * @since 4.1.0 The `$comment_id` and `$comment` parameters were added.
	 *
	 * @param string     $comment_type The type of comment, such as 'comment', 'pingback', or 'trackback'.
	 * @param string     $comment_id   The comment ID as a numeric string.
	 * @param WP_Comment $comment      The comment object.
	 */
	return apply_filters( 'get_comment_type', $comment->comment_type, $comment->comment_ID, $comment );
}