diff --git a/composer.json b/composer.json
index f0e4ced3447..d89035cee2a 100644
--- a/composer.json
+++ b/composer.json
@@ -42,7 +42,7 @@
         "sebastian/comparator": "^5.0",
         "sebastian/diff": "^5.0",
         "sebastian/environment": "^6.0",
-        "sebastian/exporter": "^5.0",
+        "sebastian/exporter": "^5.1",
         "sebastian/global-state": "^6.0.1",
         "sebastian/object-enumerator": "^5.0",
         "sebastian/recursion-context": "^5.0",
diff --git a/tests/end-to-end/event/error-handler-can-be-disabled.phpt b/tests/end-to-end/event/error-handler-can-be-disabled.phpt
index db177dd7a03..d46ae363e95 100644
--- a/tests/end-to-end/event/error-handler-can-be-disabled.phpt
+++ b/tests/end-to-end/event/error-handler-can-be-disabled.phpt
@@ -39,12 +39,12 @@ Test Suite Started (PHPUnit\TestFixture\Event\ErrorHandlerCanBeDisabled\FooTest,
 Test Preparation Started (PHPUnit\TestFixture\Event\ErrorHandlerCanBeDisabled\FooTest::testMethodA)
 Test Prepared (PHPUnit\TestFixture\Event\ErrorHandlerCanBeDisabled\FooTest::testMethodA)
 Assertion Succeeded (Constraint: exception of type "Exception", Value: Exception Object #%d (
-    'message' => 'fopen(%s/missing/directory): Failed to open stream: No such file or directory'
-    'string' => ''
-    'code' => 0
-    'file' => '%s/src/Foo.php'
-    'line' => 26
-    'previous' => null
+    'message' => 'fopen(%s/missing/directory): Failed to open stream: No such file or directory',
+    'string' => '',
+    'code' => 0,
+    'file' => '%s/src/Foo.php',
+    'line' => 26,
+    'previous' => null,
 ))
 Assertion Succeeded (Constraint: exception message contains 'Failed to open stream', Value: 'fopen(%s/missing/directory): Failed to open stream: No such file or directory')
 Test Passed (PHPUnit\TestFixture\Event\ErrorHandlerCanBeDisabled\FooTest::testMethodA)
diff --git a/tests/end-to-end/event/risky-global-state-modification.phpt b/tests/end-to-end/event/risky-global-state-modification.phpt
index 1cc95e4dd94..b996e1c2cc1 100644
--- a/tests/end-to-end/event/risky-global-state-modification.phpt
+++ b/tests/end-to-end/event/risky-global-state-modification.phpt
@@ -42,7 +42,7 @@ This test modified global state but was not expected to do so
 --- Global variables before the test
 +++ Global variables after the test
 %A
-+    'variable' => 'value'
++    'variable' => 'value',
 %A
 Test Finished (PHPUnit\TestFixture\Event\RiskyBecauseGlobalStateModificationTest::testOne)
 Test Suite Finished (PHPUnit\TestFixture\Event\RiskyBecauseGlobalStateModificationTest, 1 test)
diff --git a/tests/end-to-end/event/risky-with-multiple-reasons.phpt b/tests/end-to-end/event/risky-with-multiple-reasons.phpt
index 7759162335a..c16686a47a8 100644
--- a/tests/end-to-end/event/risky-with-multiple-reasons.phpt
+++ b/tests/end-to-end/event/risky-with-multiple-reasons.phpt
@@ -42,7 +42,7 @@ This test modified global state but was not expected to do so
 --- Global variables before the test
 +++ Global variables after the test
 %A
-+    'variable' => 'value'
++    'variable' => 'value',
 %A
 Test Considered Risky (PHPUnit\TestFixture\Event\RiskyWithMultipleReasonsTest::testOne)
 This test did not perform any assertions
diff --git a/tests/unit/Event/Emitter/DispatchingEmitterTest.php b/tests/unit/Event/Emitter/DispatchingEmitterTest.php
index adc5e997659..e3c7c8bebab 100644
--- a/tests/unit/Event/Emitter/DispatchingEmitterTest.php
+++ b/tests/unit/Event/Emitter/DispatchingEmitterTest.php
@@ -1473,7 +1473,7 @@ public function notify(Test\TestProxyCreated $event): void
         $this->assertInstanceOf(Test\TestProxyCreated::class, $event);
 
         $this->assertSame($className, $event->className());
-        $this->assertSame("Array &0 (\n    0 => 'foo'\n)", $event->constructorArguments());
+        $this->assertSame("Array &0 [\n    0 => 'foo',\n]", $event->constructorArguments());
     }
 
     public function testTestTestStubCreatedDispatchesTestDoubleTestStubCreatedEvent(): void
diff --git a/tests/unit/Framework/Constraint/Equality/IsEqualCanonicalizingTest.php b/tests/unit/Framework/Constraint/Equality/IsEqualCanonicalizingTest.php
index 5cf6a46a4ed..20aff3daaa7 100644
--- a/tests/unit/Framework/Constraint/Equality/IsEqualCanonicalizingTest.php
+++ b/tests/unit/Framework/Constraint/Equality/IsEqualCanonicalizingTest.php
@@ -27,9 +27,9 @@ public static function provider(): array
             [
                 true,
                 <<<'EOT'
-is equal to Array &%d (
-    0 => 'value'
-)
+is equal to Array &%d [
+    0 => 'value',
+]
 EOT,
                 '',
                 '',
@@ -40,10 +40,10 @@ public static function provider(): array
             [
                 true,
                 <<<'EOT'
-is equal to Array &%d (
-    0 => 'value'
-    1 => 'another-value'
-)
+is equal to Array &%d [
+    0 => 'value',
+    1 => 'another-value',
+]
 EOT,
                 '',
                 '',
@@ -55,7 +55,7 @@ public static function provider(): array
                 true,
                 <<<'EOT'
 is equal to stdClass Object #%d (
-    'foo' => 'bar'
+    'foo' => 'bar',
 )
 EOT,
                 '',
@@ -157,9 +157,9 @@ public static function provider(): array
             [
                 false,
                 <<<'EOT'
-is equal to Array &%d (
-    0 => 'value'
-)
+is equal to Array &%d [
+    0 => 'value',
+]
 EOT,
                 'Failed asserting that two arrays are equal.',
                 <<<'EOT'
@@ -181,7 +181,7 @@ public static function provider(): array
                 false,
                 <<<'EOT'
 is equal to stdClass Object #%d (
-    'foo' => 'bar'
+    'foo' => 'bar',
 )
 EOT,
                 'Failed asserting that two objects are equal.',
diff --git a/tests/unit/Framework/Constraint/Equality/IsEqualIgnoringCaseTest.php b/tests/unit/Framework/Constraint/Equality/IsEqualIgnoringCaseTest.php
index c591dac3953..2338ef926c7 100644
--- a/tests/unit/Framework/Constraint/Equality/IsEqualIgnoringCaseTest.php
+++ b/tests/unit/Framework/Constraint/Equality/IsEqualIgnoringCaseTest.php
@@ -27,9 +27,9 @@ public static function provider(): array
             [
                 true,
                 <<<'EOT'
-is equal to Array &%d (
-    0 => 'value'
-)
+is equal to Array &%d [
+    0 => 'value',
+]
 EOT,
                 '',
                 '',
@@ -40,10 +40,10 @@ public static function provider(): array
             [
                 true,
                 <<<'EOT'
-is equal to Array &%d (
-    0 => 'value'
-    1 => 'another-value'
-)
+is equal to Array &%d [
+    0 => 'value',
+    1 => 'another-value',
+]
 EOT,
                 '',
                 '',
@@ -55,7 +55,7 @@ public static function provider(): array
                 true,
                 <<<'EOT'
 is equal to stdClass Object #%d (
-    'foo' => 'bar'
+    'foo' => 'bar',
 )
 EOT,
                 '',
@@ -157,9 +157,9 @@ public static function provider(): array
             [
                 false,
                 <<<'EOT'
-is equal to Array &%d (
-    0 => 'value'
-)
+is equal to Array &%d [
+    0 => 'value',
+]
 EOT,
                 'Failed asserting that two arrays are equal.',
                 <<<'EOT'
diff --git a/tests/unit/Framework/Constraint/Equality/IsEqualTest.php b/tests/unit/Framework/Constraint/Equality/IsEqualTest.php
index 7985c112d3f..2fafd58e6f6 100644
--- a/tests/unit/Framework/Constraint/Equality/IsEqualTest.php
+++ b/tests/unit/Framework/Constraint/Equality/IsEqualTest.php
@@ -27,9 +27,9 @@ public static function provider(): array
             [
                 true,
                 <<<'EOT'
-is equal to Array &%d (
-    0 => 'value'
-)
+is equal to Array &%d [
+    0 => 'value',
+]
 EOT,
                 '',
                 '',
@@ -41,7 +41,7 @@ public static function provider(): array
                 true,
                 <<<'EOT'
 is equal to stdClass Object #%d (
-    'foo' => 'bar'
+    'foo' => 'bar',
 )
 EOT,
                 '',
@@ -143,9 +143,9 @@ public static function provider(): array
             [
                 false,
                 <<<'EOT'
-is equal to Array &%d (
-    0 => 'value'
-)
+is equal to Array &%d [
+    0 => 'value',
+]
 EOT,
                 'Failed asserting that two arrays are equal.',
                 <<<'EOT'
@@ -166,10 +166,10 @@ public static function provider(): array
             [
                 false,
                 <<<'EOT'
-is equal to Array &%d (
-    0 => 'value'
-    1 => 'another-value'
-)
+is equal to Array &%d [
+    0 => 'value',
+    1 => 'another-value',
+]
 EOT,
                 'Failed asserting that two arrays are equal.',
                 <<<'EOT'
@@ -193,7 +193,7 @@ public static function provider(): array
                 false,
                 <<<'EOT'
 is equal to stdClass Object #%d (
-    'foo' => 'bar'
+    'foo' => 'bar',
 )
 EOT,
                 'Failed asserting that two objects are equal.',
diff --git a/tests/unit/Framework/Constraint/Equality/IsEqualWithDeltaTest.php b/tests/unit/Framework/Constraint/Equality/IsEqualWithDeltaTest.php
index 475eb302cdf..69c56650632 100644
--- a/tests/unit/Framework/Constraint/Equality/IsEqualWithDeltaTest.php
+++ b/tests/unit/Framework/Constraint/Equality/IsEqualWithDeltaTest.php
@@ -47,9 +47,9 @@ public static function provider(): array
             [
                 true,
                 <<<'EOT'
-is equal to Array &%d (
-    0 => 1.0
-) with delta <0.000000>
+is equal to Array &%d [
+    0 => 1.0,
+] with delta <0.000000>
 EOT,
                 '',
                 '',
@@ -61,9 +61,9 @@ public static function provider(): array
             [
                 true,
                 <<<'EOT'
-is equal to Array &%d (
-    0 => 1.0
-) with delta <0.100000>
+is equal to Array &%d [
+    0 => 1.0,
+] with delta <0.100000>
 EOT,
                 '',
                 '',
@@ -76,7 +76,7 @@ public static function provider(): array
                 true,
                 <<<'EOT'
 is equal to stdClass Object #%d (
-    'property' => 1.0
+    'property' => 1.0,
 ) with delta <0.000000>
 EOT,
                 '',
@@ -90,7 +90,7 @@ public static function provider(): array
                 true,
                 <<<'EOT'
 is equal to stdClass Object #%d (
-    'property' => 1.0
+    'property' => 1.0,
 ) with delta <0.100000>
 EOT,
                 '',
@@ -113,9 +113,9 @@ public static function provider(): array
             [
                 false,
                 <<<'EOT'
-is equal to Array &%d (
-    0 => 1.0
-) with delta <0.000000>
+is equal to Array &%d [
+    0 => 1.0,
+] with delta <0.000000>
 EOT,
                 'Failed asserting that two arrays are equal.',
                 <<<'EOT'
@@ -138,7 +138,7 @@ public static function provider(): array
                 false,
                 <<<'EOT'
 is equal to stdClass Object #%d (
-    'property' => 1.0
+    'property' => 1.0,
 ) with delta <0.000000>
 EOT,
                 'Failed asserting that two objects are equal.',
diff --git a/tests/unit/Framework/Constraint/IsIdenticalTest.php b/tests/unit/Framework/Constraint/IsIdenticalTest.php
index 860f53e4f79..a77e655ed40 100644
--- a/tests/unit/Framework/Constraint/IsIdenticalTest.php
+++ b/tests/unit/Framework/Constraint/IsIdenticalTest.php
@@ -58,14 +58,14 @@ public static function provider(): array
 
             [
                 <<<'EOT'
-is identical to Array &0 (
-    0 => 1
-    1 => 2
-    2 => 3
-    3 => 4
-    4 => 5
-    5 => 6
-)
+is identical to Array &0 [
+    0 => 1,
+    1 => 2,
+    2 => 3,
+    3 => 4,
+    4 => 5,
+    5 => 6,
+]
 EOT,
                 'Failed asserting that two arrays are identical.',
                 <<<'EOT'
@@ -73,15 +73,15 @@ public static function provider(): array
 --- Expected
 +++ Actual
 @@ @@
- Array &0 (
-     0 => 1
-     1 => 2
--    2 => 3
-+    2 => 33
-     3 => 4
-     4 => 5
-     5 => 6
- )
+ Array &0 [
+     0 => 1,
+     1 => 2,
+-    2 => 3,
++    2 => 33,
+     3 => 4,
+     4 => 5,
+     5 => 6,
+ ]
 
 EOT,
                 [1, 2, 3, 4, 5, 6],
@@ -90,17 +90,17 @@ public static function provider(): array
 
             [
                 <<<'EOT'
-is identical to Array &0 (
-    0 => Array &1 (
-        'A' => 'B'
-    )
-    1 => Array &2 (
-        'C' => Array &3 (
-            0 => 'D'
-            1 => 'E'
-        )
-    )
-)
+is identical to Array &0 [
+    0 => Array &1 [
+        'A' => 'B',
+    ],
+    1 => Array &2 [
+        'C' => Array &3 [
+            0 => 'D',
+            1 => 'E',
+        ],
+    ],
+]
 EOT,
                 'Failed asserting that two arrays are identical.',
                 <<<'EOT'
@@ -108,20 +108,20 @@ public static function provider(): array
 --- Expected
 +++ Actual
 @@ @@
- Array &0 (
-     0 => Array &1 (
--        'A' => 'B'
-+        'A' => 'C'
-     )
-     1 => Array &2 (
-         'C' => Array &3 (
--            0 => 'D'
-+            0 => 'C'
-             1 => 'E'
-+            2 => 'F'
-         )
-     )
- )
+ Array &0 [
+     0 => Array &1 [
+-        'A' => 'B',
++        'A' => 'C',
+     ],
+     1 => Array &2 [
+         'C' => Array &3 [
+-            0 => 'D',
++            0 => 'C',
+             1 => 'E',
++            2 => 'F',
+         ],
+     ],
+ ]
 
 EOT,
                 [
diff --git a/tests/unit/Framework/Constraint/Traversable/TraversableContainsOnlyTest.php b/tests/unit/Framework/Constraint/Traversable/TraversableContainsOnlyTest.php
index c45bfdd1494..c6f66a34771 100644
--- a/tests/unit/Framework/Constraint/Traversable/TraversableContainsOnlyTest.php
+++ b/tests/unit/Framework/Constraint/Traversable/TraversableContainsOnlyTest.php
@@ -43,11 +43,11 @@ public static function provider(): array
             [
                 false,
                 <<<'EOT'
-Failed asserting that Array &0 (
-    0 => 0
-    1 => '1'
-    2 => 2
-) contains only values of type "integer".
+Failed asserting that Array &0 [
+    0 => 0,
+    1 => '1',
+    2 => 2,
+] contains only values of type "integer".
 EOT,
                 'integer',
                 true,