Add strict comparison null !== instead of ! (#1794)

CHANGELOG.md

@@ -8,6 +8,7 @@
 
 ### Changed
 
+- use strict comparison `null !==` instead of `!`
 - Fix CS
 
 ## 1.22.1

src/Signer/SignerV4.php

@@ -317,7 +317,7 @@ private function buildCanonicalQuery(Request $request): string
         $query = $request->getQuery();
 
         unset($query['X-Amz-Signature']);
-        if (!$query) {
+        if (empty($query)) {
             return '';
         }
 

src/Sts/Result/AssumeRoleResponse.php

@@ -94,17 +94,27 @@ protected function populateResult(Response $response): void
         $data = new \SimpleXMLElement($response->getContent());
         $data = $data->AssumeRoleResult;
 
-        $this->credentials = !$data->Credentials ? null : new Credentials([
-            'AccessKeyId' => (string) $data->Credentials->AccessKeyId,
-            'SecretAccessKey' => (string) $data->Credentials->SecretAccessKey,
-            'SessionToken' => (string) $data->Credentials->SessionToken,
-            'Expiration' => new \DateTimeImmutable((string) $data->Credentials->Expiration),
+        $this->credentials = 0 === $data->Credentials->count() ? null : $this->populateResultCredentials($data->Credentials);
+        $this->assumedRoleUser = 0 === $data->AssumedRoleUser->count() ? null : $this->populateResultAssumedRoleUser($data->AssumedRoleUser);
+        $this->packedPolicySize = (null !== $v = $data->PackedPolicySize[0]) ? (int) (string) $v : null;
+        $this->sourceIdentity = (null !== $v = $data->SourceIdentity[0]) ? (string) $v : null;
+    }
+
+    private function populateResultAssumedRoleUser(\SimpleXMLElement $xml): AssumedRoleUser
+    {
+        return new AssumedRoleUser([
+            'AssumedRoleId' => (string) $xml->AssumedRoleId,
+            'Arn' => (string) $xml->Arn,
         ]);
-        $this->assumedRoleUser = !$data->AssumedRoleUser ? null : new AssumedRoleUser([
-            'AssumedRoleId' => (string) $data->AssumedRoleUser->AssumedRoleId,
-            'Arn' => (string) $data->AssumedRoleUser->Arn,
+    }
+
+    private function populateResultCredentials(\SimpleXMLElement $xml): Credentials
+    {
+        return new Credentials([
+            'AccessKeyId' => (string) $xml->AccessKeyId,
+            'SecretAccessKey' => (string) $xml->SecretAccessKey,
+            'SessionToken' => (string) $xml->SessionToken,
+            'Expiration' => new \DateTimeImmutable((string) $xml->Expiration),
         ]);
-        $this->packedPolicySize = ($v = $data->PackedPolicySize) ? (int) (string) $v : null;
-        $this->sourceIdentity = ($v = $data->SourceIdentity) ? (string) $v : null;
     }
 }

src/Sts/Result/AssumeRoleWithWebIdentityResponse.php

@@ -147,20 +147,30 @@ protected function populateResult(Response $response): void
         $data = new \SimpleXMLElement($response->getContent());
         $data = $data->AssumeRoleWithWebIdentityResult;
 
-        $this->credentials = !$data->Credentials ? null : new Credentials([
-            'AccessKeyId' => (string) $data->Credentials->AccessKeyId,
-            'SecretAccessKey' => (string) $data->Credentials->SecretAccessKey,
-            'SessionToken' => (string) $data->Credentials->SessionToken,
-            'Expiration' => new \DateTimeImmutable((string) $data->Credentials->Expiration),
+        $this->credentials = 0 === $data->Credentials->count() ? null : $this->populateResultCredentials($data->Credentials);
+        $this->subjectFromWebIdentityToken = (null !== $v = $data->SubjectFromWebIdentityToken[0]) ? (string) $v : null;
+        $this->assumedRoleUser = 0 === $data->AssumedRoleUser->count() ? null : $this->populateResultAssumedRoleUser($data->AssumedRoleUser);
+        $this->packedPolicySize = (null !== $v = $data->PackedPolicySize[0]) ? (int) (string) $v : null;
+        $this->provider = (null !== $v = $data->Provider[0]) ? (string) $v : null;
+        $this->audience = (null !== $v = $data->Audience[0]) ? (string) $v : null;
+        $this->sourceIdentity = (null !== $v = $data->SourceIdentity[0]) ? (string) $v : null;
+    }
+
+    private function populateResultAssumedRoleUser(\SimpleXMLElement $xml): AssumedRoleUser
+    {
+        return new AssumedRoleUser([
+            'AssumedRoleId' => (string) $xml->AssumedRoleId,
+            'Arn' => (string) $xml->Arn,
         ]);
-        $this->subjectFromWebIdentityToken = ($v = $data->SubjectFromWebIdentityToken) ? (string) $v : null;
-        $this->assumedRoleUser = !$data->AssumedRoleUser ? null : new AssumedRoleUser([
-            'AssumedRoleId' => (string) $data->AssumedRoleUser->AssumedRoleId,
-            'Arn' => (string) $data->AssumedRoleUser->Arn,
+    }
+
+    private function populateResultCredentials(\SimpleXMLElement $xml): Credentials
+    {
+        return new Credentials([
+            'AccessKeyId' => (string) $xml->AccessKeyId,
+            'SecretAccessKey' => (string) $xml->SecretAccessKey,
+            'SessionToken' => (string) $xml->SessionToken,
+            'Expiration' => new \DateTimeImmutable((string) $xml->Expiration),
         ]);
-        $this->packedPolicySize = ($v = $data->PackedPolicySize) ? (int) (string) $v : null;
-        $this->provider = ($v = $data->Provider) ? (string) $v : null;
-        $this->audience = ($v = $data->Audience) ? (string) $v : null;
-        $this->sourceIdentity = ($v = $data->SourceIdentity) ? (string) $v : null;
     }
 }

src/Sts/Result/GetCallerIdentityResponse.php

@@ -62,8 +62,8 @@ protected function populateResult(Response $response): void
         $data = new \SimpleXMLElement($response->getContent());
         $data = $data->GetCallerIdentityResult;
 
-        $this->userId = ($v = $data->UserId) ? (string) $v : null;
-        $this->account = ($v = $data->Account) ? (string) $v : null;
-        $this->arn = ($v = $data->Arn) ? (string) $v : null;
+        $this->userId = (null !== $v = $data->UserId[0]) ? (string) $v : null;
+        $this->account = (null !== $v = $data->Account[0]) ? (string) $v : null;
+        $this->arn = (null !== $v = $data->Arn[0]) ? (string) $v : null;
     }
 }