diff --git a/src/XML/SignableElementInterface.php b/src/XML/SignableElementInterface.php
index c2cea1fd..50a00ecd 100644
--- a/src/XML/SignableElementInterface.php
+++ b/src/XML/SignableElementInterface.php
@@ -37,6 +37,6 @@ public function getId(): ?string;
     public function sign(
         SignatureAlgorithmInterface $signer,
         string $canonicalizationAlg,
-        ?KeyInfo $keyInfo = null
+        ?KeyInfo $keyInfo = null,
     ): void;
 }
diff --git a/src/XML/SignableElementTrait.php b/src/XML/SignableElementTrait.php
index 9da5c1d6..e55edd31 100644
--- a/src/XML/SignableElementTrait.php
+++ b/src/XML/SignableElementTrait.php
@@ -73,7 +73,7 @@ abstract public function getId(): ?string;
     public function sign(
         SignatureAlgorithmInterface $signer,
         string $canonicalizationAlg = C::C14N_EXCLUSIVE_WITHOUT_COMMENTS,
-        ?KeyInfo $keyInfo = null
+        ?KeyInfo $keyInfo = null,
     ): void {
         $this->signer = $signer;
         $this->keyInfo = $keyInfo;
diff --git a/src/XML/SignedElementTrait.php b/src/XML/SignedElementTrait.php
index d3dc9baa..83eb7319 100644
--- a/src/XML/SignedElementTrait.php
+++ b/src/XML/SignedElementTrait.php
@@ -286,7 +286,7 @@ public function verify(SignatureAlgorithmInterface $verifier = null): SignedElem
                 // build a valid PEM for the certificate
                 $cert = sprintf(
                     "-----BEGIN CERTIFICATE-----\n%s\n-----END CERTIFICATE-----",
-                    $data->getRawContent()
+                    $data->getRawContent(),
                 );
 
                 $cert = new Key\X509Certificate(PEM::fromString($cert));
diff --git a/src/XML/ds/KeyValue.php b/src/XML/ds/KeyValue.php
index 7a0063e8..32a7ce0e 100644
--- a/src/XML/ds/KeyValue.php
+++ b/src/XML/ds/KeyValue.php
@@ -80,7 +80,7 @@ public static function fromXML(DOMElement $xml): static
             $RSAKeyValue,
             1,
             'A <ds:KeyValue> can contain exactly one <ds:RSAKeyValue>',
-            TooManyElementsException::class
+            TooManyElementsException::class,
         );
 
         $elements = [];
@@ -95,7 +95,7 @@ public static function fromXML(DOMElement $xml): static
             $elements,
             1,
             'A <ds:KeyValue> can contain exactly one element in namespace ##other',
-            TooManyElementsException::class
+            TooManyElementsException::class,
         );
 
         return new static(array_pop($RSAKeyValue), array_pop($elements));
diff --git a/src/XML/ds/RSAKeyValue.php b/src/XML/ds/RSAKeyValue.php
index ab061516..1a23e70b 100644
--- a/src/XML/ds/RSAKeyValue.php
+++ b/src/XML/ds/RSAKeyValue.php
@@ -71,13 +71,13 @@ public static function fromXML(DOMElement $xml): static
             $modulus,
             1,
             'An <ds:RSAKeyValue> must contain exactly one <ds:Modulus>',
-            MissingElementException::class
+            MissingElementException::class,
         );
         Assert::maxCount(
             $modulus,
             1,
             'An <ds:RSAKeyValue> must contain exactly one <ds:Modulus>',
-            TooManyElementsException::class
+            TooManyElementsException::class,
         );
 
         $exponent = Exponent::getChildrenOfClass($xml);
@@ -85,13 +85,13 @@ public static function fromXML(DOMElement $xml): static
             $exponent,
             1,
             'An <ds:RSAKeyValue> must contain exactly one <ds:Modulus>',
-            MissingElementException::class
+            MissingElementException::class,
         );
         Assert::maxCount(
             $exponent,
             1,
             'An <ds:RSAKeyValue> must contain exactly one <ds:Modulus>',
-            TooManyElementsException::class
+            TooManyElementsException::class,
         );
 
         return new static(array_pop($modulus), array_pop($exponent));
diff --git a/src/XML/ds/RetrievalMethod.php b/src/XML/ds/RetrievalMethod.php
index 03d0394a..e75fcca8 100644
--- a/src/XML/ds/RetrievalMethod.php
+++ b/src/XML/ds/RetrievalMethod.php
@@ -89,7 +89,7 @@ public static function fromXML(DOMElement $xml): static
         return new static(
             array_pop($transforms),
             $URI,
-            $Type
+            $Type,
         );
     }
 
diff --git a/src/XML/ds/Transform.php b/src/XML/ds/Transform.php
index 25c0dea0..a1025881 100644
--- a/src/XML/ds/Transform.php
+++ b/src/XML/ds/Transform.php
@@ -53,7 +53,7 @@ final public function __construct(
                 sprintf(
                     'Transform algorithm "%s" or "%s" required if InclusiveNamespaces provided.',
                     C::C14N_EXCLUSIVE_WITH_COMMENTS,
-                    C::C14N_EXCLUSIVE_WITHOUT_COMMENTS
+                    C::C14N_EXCLUSIVE_WITHOUT_COMMENTS,
                 ),
             );
         }
diff --git a/src/XML/ec/InclusiveNamespaces.php b/src/XML/ec/InclusiveNamespaces.php
index b5162e46..7deff9eb 100644
--- a/src/XML/ec/InclusiveNamespaces.php
+++ b/src/XML/ec/InclusiveNamespaces.php
@@ -32,7 +32,7 @@ final public function __construct(
         Assert::allString(
             $prefixes,
             'Can only add string InclusiveNamespaces prefixes.',
-            InvalidArgumentException::class
+            InvalidArgumentException::class,
         );
         Assert::allRegex($prefixes, '/^[a-z0-9._\\-:]*$/i', SchemaViolationException::class); // xsd:NMTOKEN
     }
diff --git a/src/XML/xenc/CipherData.php b/src/XML/xenc/CipherData.php
index 093b1351..39ddc20a 100644
--- a/src/XML/xenc/CipherData.php
+++ b/src/XML/xenc/CipherData.php
@@ -79,7 +79,7 @@ public static function fromXML(DOMElement $xml): static
             $cv,
             1,
             'More than one CipherValue element in <xenc:CipherData>',
-            TooManyElementsException::class
+            TooManyElementsException::class,
         );
 
         $cr = CipherReference::getChildrenOfClass($xml);
@@ -87,7 +87,7 @@ public static function fromXML(DOMElement $xml): static
             $cr,
             1,
             'More than one CipherReference element in <xenc:CipherData>',
-            TooManyElementsException::class
+            TooManyElementsException::class,
         );
 
         return new static(
diff --git a/tests/XML/CustomSignable.php b/tests/XML/CustomSignable.php
index bca43dbd..c25a8737 100644
--- a/tests/XML/CustomSignable.php
+++ b/tests/XML/CustomSignable.php
@@ -57,7 +57,7 @@ class CustomSignable extends AbstractElement implements
      */
     final public function __construct(
         protected DOMElement $xml,
-        protected ?string $id
+        protected ?string $id,
     ) {
     }
 
diff --git a/tests/XML/SignableElementTest.php b/tests/XML/SignableElementTest.php
index 15004181..b1cc38ff 100644
--- a/tests/XML/SignableElementTest.php
+++ b/tests/XML/SignableElementTest.php
@@ -196,7 +196,7 @@ public function testSigningElementWithIdAndComments(): void
 
         $customSignable->sign($signer, C::C14N_EXCLUSIVE_WITH_COMMENTS, $keyInfo);
         $signed = DOMDocumentFactory::fromFile(
-            dirname(__FILE__, 2) . '/resources/xml/custom_CustomSignableSignedWithCommentsAndId.xml'
+            dirname(__FILE__, 2) . '/resources/xml/custom_CustomSignableSignedWithCommentsAndId.xml',
         );
 
         $this->assertEquals(
diff --git a/tests/XML/SignedElementTest.php b/tests/XML/SignedElementTest.php
index 21d4bb88..80f63788 100644
--- a/tests/XML/SignedElementTest.php
+++ b/tests/XML/SignedElementTest.php
@@ -61,7 +61,7 @@ public function setUp(): void
         )->documentElement;
 
         $this->certificate = PEM::fromString(
-            PEMCertificatesMock::getPlainCertificate(PEMCertificatesMock::SELFSIGNED_CERTIFICATE)
+            PEMCertificatesMock::getPlainCertificate(PEMCertificatesMock::SELFSIGNED_CERTIFICATE),
         );
     }
 
diff --git a/tests/XML/ds/DigestMethodTest.php b/tests/XML/ds/DigestMethodTest.php
index d98a2a40..d5003507 100644
--- a/tests/XML/ds/DigestMethodTest.php
+++ b/tests/XML/ds/DigestMethodTest.php
@@ -51,8 +51,8 @@ public function testMarshalling(): void
             C::DIGEST_SHA256,
             [
                 new Chunk(DOMDocumentFactory::fromString(
-                    '<some:Chunk xmlns:some="urn:test:some">Random</some:Chunk>'
-                )->documentElement)
+                    '<some:Chunk xmlns:some="urn:test:some">Random</some:Chunk>',
+                )->documentElement),
             ],
         );
 
diff --git a/tests/XML/ds/KeyInfoTest.php b/tests/XML/ds/KeyInfoTest.php
index 68fe7eae..40a3f2f7 100644
--- a/tests/XML/ds/KeyInfoTest.php
+++ b/tests/XML/ds/KeyInfoTest.php
@@ -95,7 +95,7 @@ public function testMarshalling(): void
                     ],
                 ),
                 new Chunk(DOMDocumentFactory::fromString(
-                    '<ssp:Chunk xmlns:ssp="urn:x-simplesamlphp:namespace">some</ssp:Chunk>'
+                    '<ssp:Chunk xmlns:ssp="urn:x-simplesamlphp:namespace">some</ssp:Chunk>',
                 )->documentElement),
             ],
             'fed654',
diff --git a/tests/XML/ds/KeyValueTest.php b/tests/XML/ds/KeyValueTest.php
index 46b65424..b6329157 100644
--- a/tests/XML/ds/KeyValueTest.php
+++ b/tests/XML/ds/KeyValueTest.php
@@ -113,7 +113,7 @@ public function testMarshallingEmpty(): void
     {
         $this->expectException(SchemaViolationException::class);
         $this->expectExceptionMessage(
-            'A <ds:KeyValue> requires either a RSAKeyValue or an element in namespace ##other'
+            'A <ds:KeyValue> requires either a RSAKeyValue or an element in namespace ##other',
         );
 
         new KeyValue(null, null);
@@ -147,7 +147,7 @@ public function testUnmarshallingEmpty(): void
 
         $this->expectException(SchemaViolationException::class);
         $this->expectExceptionMessage(
-            'A <ds:KeyValue> requires either a RSAKeyValue or an element in namespace ##other'
+            'A <ds:KeyValue> requires either a RSAKeyValue or an element in namespace ##other',
         );
 
         KeyValue::fromXML($document->documentElement);
diff --git a/tests/XML/ds/ObjectTest.php b/tests/XML/ds/ObjectTest.php
index da707673..ad860bab 100644
--- a/tests/XML/ds/ObjectTest.php
+++ b/tests/XML/ds/ObjectTest.php
@@ -35,7 +35,7 @@ public static function setUpBeforeClass(): void
         self::$schemaFile = dirname(__FILE__, 4) . '/resources/schemas/xmldsig1-schema.xsd';
 
         self::$xmlRepresentation = DOMDocumentFactory::fromFile(
-            dirname(__FILE__, 3) . '/resources/xml/ds_Object.xml'
+            dirname(__FILE__, 3) . '/resources/xml/ds_Object.xml',
         );
     }
 
@@ -53,15 +53,15 @@ public function testMarshalling(): void
                 new Chunk(
                     DOMDocumentFactory::fromString(sprintf(
                         '<ssp:data xmlns:ssp="urn:ssp:custom">%s</ssp:data>',
-                        $img
-                    ))->documentElement
-                )
+                        $img,
+                    ))->documentElement,
+                ),
             ],
         );
 
         $this->assertEquals(
             self::$xmlRepresentation->saveXML(self::$xmlRepresentation->documentElement),
-            strval($obj)
+            strval($obj),
         );
     }
 
@@ -75,7 +75,7 @@ public function testMarshallingEmptyElement(): void
         $obj = new DsObject(null, null, null, []);
         $this->assertEquals(
             "<ds:Object xmlns:ds=\"$ds_ns\"/>",
-            strval($obj)
+            strval($obj),
         );
         $this->assertTrue($obj->isEmptyElement());
     }
diff --git a/tests/XML/ds/ReferenceTest.php b/tests/XML/ds/ReferenceTest.php
index 025c8ad6..610890ab 100644
--- a/tests/XML/ds/ReferenceTest.php
+++ b/tests/XML/ds/ReferenceTest.php
@@ -82,7 +82,7 @@ public function testMarshallingReferenceElementOrdering(): void
                 [
                     new Transform(C::XMLDSIG_ENVELOPED),
                     new Transform(C::C14N_EXCLUSIVE_WITHOUT_COMMENTS),
-                ]
+                ],
             ),
             'ghi789',
             'urn:some:type',
diff --git a/tests/XML/ds/SignaturePropertiesTest.php b/tests/XML/ds/SignaturePropertiesTest.php
index 1e44b7fa..003592b3 100644
--- a/tests/XML/ds/SignaturePropertiesTest.php
+++ b/tests/XML/ds/SignaturePropertiesTest.php
@@ -49,19 +49,19 @@ public static function setUpBeforeClass(): void
     public function testMarshalling(): void
     {
         $document = DOMDocumentFactory::fromString(
-            '<ssp:HSMSerialNumber xmlns:ssp="urn:x-simplesamlphp:namespace">1234567890</ssp:HSMSerialNumber>'
+            '<ssp:HSMSerialNumber xmlns:ssp="urn:x-simplesamlphp:namespace">1234567890</ssp:HSMSerialNumber>',
         );
 
         $signatureProperty = new SignatureProperty(
             [new Chunk($document->documentElement)],
             'https://simplesamlphp.org/some/target',
-            'abc123'
+            'abc123',
         );
         $signatureProperties = new SignatureProperties([$signatureProperty], 'def456');
 
         $this->assertEquals(
             self::$xmlRepresentation->saveXML(self::$xmlRepresentation->documentElement),
-            strval($signatureProperties)
+            strval($signatureProperties),
         );
     }
 }
diff --git a/tests/XML/ds/SignaturePropertyTest.php b/tests/XML/ds/SignaturePropertyTest.php
index 23415df1..b5292934 100644
--- a/tests/XML/ds/SignaturePropertyTest.php
+++ b/tests/XML/ds/SignaturePropertyTest.php
@@ -54,12 +54,12 @@ public function testMarshalling(): void
         $signatureProperty = new SignatureProperty(
             [new Chunk($document->documentElement)],
             'https://simplesamlphp.org/some/target',
-            'abc123'
+            'abc123',
         );
 
         $this->assertEquals(
             self::$xmlRepresentation->saveXML(self::$xmlRepresentation->documentElement),
-            strval($signatureProperty)
+            strval($signatureProperty),
         );
     }
 }
diff --git a/tests/XML/ds/X509DataTest.php b/tests/XML/ds/X509DataTest.php
index 176aef63..8a817003 100644
--- a/tests/XML/ds/X509DataTest.php
+++ b/tests/XML/ds/X509DataTest.php
@@ -89,7 +89,7 @@ public function testMarshalling(): void
             [
                 new Chunk(
                     DOMDocumentFactory::fromString(
-                        '<ssp:Chunk xmlns:ssp="urn:x-simplesamlphp:namespace">some</ssp:Chunk>'
+                        '<ssp:Chunk xmlns:ssp="urn:x-simplesamlphp:namespace">some</ssp:Chunk>',
                     )->documentElement,
                 ),
                 new X509Certificate(self::$certificate),
@@ -102,8 +102,8 @@ public function testMarshalling(): void
                 ),
                 new X509SubjectName(self::$certData['name']),
                 new Chunk(DOMDocumentFactory::fromString(
-                    '<ssp:Chunk xmlns:ssp="urn:x-simplesamlphp:namespace">other</ssp:Chunk>'
-                )->documentElement)
+                    '<ssp:Chunk xmlns:ssp="urn:x-simplesamlphp:namespace">other</ssp:Chunk>',
+                )->documentElement),
             ],
         );
 
diff --git a/tests/XML/xenc/EncryptedDataTest.php b/tests/XML/xenc/EncryptedDataTest.php
index 791149b7..3923ca4d 100644
--- a/tests/XML/xenc/EncryptedDataTest.php
+++ b/tests/XML/xenc/EncryptedDataTest.php
@@ -129,7 +129,7 @@ public function testMarshallingElementOrdering(): void
         $encryptedDataElements = XPath::xpQuery(
             $encryptedDataElement,
             './xenc:EncryptionMethod/following-sibling::*',
-            $xpCache
+            $xpCache,
         );
         $this->assertCount(2, $encryptedDataElements);
         $this->assertEquals('ds:KeyInfo', $encryptedDataElements[0]->tagName);
diff --git a/tests/XML/xenc/ReferenceListTest.php b/tests/XML/xenc/ReferenceListTest.php
index 6a8ebf16..e3fa10e9 100644
--- a/tests/XML/xenc/ReferenceListTest.php
+++ b/tests/XML/xenc/ReferenceListTest.php
@@ -68,10 +68,10 @@ public function testMarshalling(): void
 
         $referenceList = new ReferenceList(
             [
-                new DataReference('#Encrypted_DATA_ID', [new Transforms([$transformData])])
+                new DataReference('#Encrypted_DATA_ID', [new Transforms([$transformData])]),
             ],
             [
-                new KeyReference('#Encrypted_KEY_ID', [new Transforms([$transformKey])])
+                new KeyReference('#Encrypted_KEY_ID', [new Transforms([$transformKey])]),
             ],
         );