<?php
declare(strict_types=1);

namespace App\Model;

class BookSearch {
	public ?string $author = null;
	public ?string $title = null;
	public ?string $edition = null;
	public ?string $publisher = null;

	public function isEmpty(): bool {
		return trim(implode('', [$this->author, $this->title, $this->edition, $this->publisher])) === '';
	}
}