Remove #[SensitiveParameter] attributes not being supported in PHP 8.1

Author: jeromegamez

CHANGELOG.md

@@ -7,6 +7,10 @@ Please read about the future of the Firebase Admin PHP SDK on the
 
 ## [Unreleased]
 
+### Fixed
+
+* Removed the `#[SensitiveParameter]` attribute because it's not supported in PHP 8.1.
+
 ## [7.21.0] - 2025-07-23
 
 ### Changed

src/Firebase/AppCheck/AppCheckTokenGenerator.php

@@ -8,10 +8,11 @@
 use Firebase\JWT\JWT;
 use Kreait\Firebase\Exception\AppCheck\InvalidAppCheckTokenOptions;
 use Psr\Clock\ClockInterface;
-use SensitiveParameter;
 
 /**
  * @internal
+ *
+ * @todo Add #[SensitiveParameter] attribute to the private key once the minimum required PHP version is >=8.2
  */
 final class AppCheckTokenGenerator
 {
@@ -25,7 +26,7 @@ final class AppCheckTokenGenerator
      */
     public function __construct(
         private readonly string $clientEmail,
-        #[SensitiveParameter] private readonly string $privateKey,
+        private readonly string $privateKey,
         ?ClockInterface $clock = null,
     ) {
         $this->clock = $clock ?? SystemClock::create();

src/Firebase/ServiceAccount.php

@@ -4,38 +4,38 @@
 
 namespace Kreait\Firebase;
 
-use SensitiveParameter;
-
 /**
  * @internal
+ *
+ * @todo Add #[SensitiveParameter] attributes once the minimum required PHP version is >=8.2
  */
 final class ServiceAccount
 {
     public function __construct(
         /** @var non-empty-string */
         public string $type,
         /** @var non-empty-string */
-        #[SensitiveParameter] public string $projectId,
+        public string $projectId,
         /** @var non-empty-string */
-        #[SensitiveParameter] public string $clientEmail,
+        public string $clientEmail,
         /** @var non-empty-string */
-        #[SensitiveParameter] public string $clientId,
+        public string $clientId,
         /** @var non-empty-string */
-        #[SensitiveParameter] public string $privateKey,
+        public string $privateKey,
         /** @var non-empty-string */
-        #[SensitiveParameter] public string $privateKeyId,
+        public string $privateKeyId,
         /** @var non-empty-string */
-        #[SensitiveParameter] public string $authUri,
+        public string $authUri,
         /** @var non-empty-string */
-        #[SensitiveParameter] public string $tokenUri,
+        public string $tokenUri,
         /** @var non-empty-string */
-        #[SensitiveParameter] public string $authProviderX509CertUrl,
+        public string $authProviderX509CertUrl,
         /** @var non-empty-string */
-        #[SensitiveParameter] public string $clientX509CertUrl,
+        public string $clientX509CertUrl,
         /** @var non-empty-string|null */
-        #[SensitiveParameter] public ?string $quotaProjectId = null,
+        public ?string $quotaProjectId = null,
         /** @var non-empty-string|null */
-        #[SensitiveParameter] public ?string $universeDomain = null,
+        public ?string $universeDomain = null,
     ) {
     }
 }