관리-도구
편집 파일: RegistrationToken.php
<?php declare(strict_types=1); namespace Kreait\Firebase\Messaging; use JsonSerializable; use Stringable; final class RegistrationToken implements JsonSerializable, Stringable { /** * @param non-empty-string $value */ private function __construct(private readonly string $value) { } /** * @return non-empty-string */ public function __toString(): string { return $this->value; } /** * @param non-empty-string $value */ public static function fromValue(string $value): self { return new self($value); } /** * @return non-empty-string */ public function value(): string { return $this->value; } public function jsonSerialize(): string { return $this->value; } }