diff --git a/rules-tests/CodeQuality/Rector/BooleanAnd/RepeatedAndNotEqualToNotInArrayRector/Fixture/compare_same_variable.php.inc b/rules-tests/CodeQuality/Rector/BooleanAnd/RepeatedAndNotEqualToNotInArrayRector/Fixture/compare_same_variable.php.inc
new file mode 100644
index 00000000000..6cc81071406
--- /dev/null
+++ b/rules-tests/CodeQuality/Rector/BooleanAnd/RepeatedAndNotEqualToNotInArrayRector/Fixture/compare_same_variable.php.inc
@@ -0,0 +1,35 @@
+<?php
+
+namespace Rector\Tests\CodeQuality\Rector\BooleanAnd\RepeatedAndNotEqualToNotInArrayRector\Fixture;
+
+final class CompareSameVariable
+{
+    public function demo($someVariable): bool
+    {
+        if ($someVariable !== 'a' && $someVariable !== 'b' && $someVariable !== 'c') {
+            return true;
+        }
+
+        return false;
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Tests\CodeQuality\Rector\BooleanAnd\RepeatedAndNotEqualToNotInArrayRector\Fixture;
+
+final class CompareSameVariable
+{
+    public function demo($someVariable): bool
+    {
+        if (!in_array($someVariable, ['a', 'b', 'c'], true)) {
+            return true;
+        }
+
+        return false;
+    }
+}
+
+?>
diff --git a/rules-tests/CodeQuality/Rector/BooleanAnd/RepeatedAndNotEqualToNotInArrayRector/RepeatedAndNotEqualToNotInArrayRectorTest.php b/rules-tests/CodeQuality/Rector/BooleanAnd/RepeatedAndNotEqualToNotInArrayRector/RepeatedAndNotEqualToNotInArrayRectorTest.php
new file mode 100644
index 00000000000..88bb87c45d9
--- /dev/null
+++ b/rules-tests/CodeQuality/Rector/BooleanAnd/RepeatedAndNotEqualToNotInArrayRector/RepeatedAndNotEqualToNotInArrayRectorTest.php
@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Tests\CodeQuality\Rector\BooleanAnd\RepeatedAndNotEqualToNotInArrayRector;
+
+use Iterator;
+use PHPUnit\Framework\Attributes\DataProvider;
+use Rector\Testing\PHPUnit\AbstractRectorTestCase;
+
+final class RepeatedAndNotEqualToNotInArrayRectorTest extends AbstractRectorTestCase
+{
+    #[DataProvider('provideData')]
+    public function test(string $filePath): void
+    {
+        $this->doTestFile($filePath);
+    }
+
+    public static function provideData(): Iterator
+    {
+        return self::yieldFilesFromDirectory(__DIR__ . '/Fixture');
+    }
+
+    public function provideConfigFilePath(): string
+    {
+        return __DIR__ . '/config/configured_rule.php';
+    }
+}
diff --git a/rules-tests/CodeQuality/Rector/BooleanAnd/RepeatedAndNotEqualToNotInArrayRector/config/configured_rule.php b/rules-tests/CodeQuality/Rector/BooleanAnd/RepeatedAndNotEqualToNotInArrayRector/config/configured_rule.php
new file mode 100644
index 00000000000..ac5b0e50f35
--- /dev/null
+++ b/rules-tests/CodeQuality/Rector/BooleanAnd/RepeatedAndNotEqualToNotInArrayRector/config/configured_rule.php
@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+use Rector\CodeQuality\Rector\BooleanAnd\RepeatedAndNotEqualToNotInArrayRector;
+use Rector\Config\RectorConfig;
+
+return RectorConfig::configure()
+    ->withRules([RepeatedAndNotEqualToNotInArrayRector::class]);
diff --git a/rules-tests/DeadCode/Rector/If_/RemoveUnusedNonEmptyArrayBeforeForeachRector/Fixture/not_equal.php.inc b/rules-tests/DeadCode/Rector/If_/RemoveUnusedNonEmptyArrayBeforeForeachRector/Fixture/not_equal_condition.php.inc
similarity index 90%
rename from rules-tests/DeadCode/Rector/If_/RemoveUnusedNonEmptyArrayBeforeForeachRector/Fixture/not_equal.php.inc
rename to rules-tests/DeadCode/Rector/If_/RemoveUnusedNonEmptyArrayBeforeForeachRector/Fixture/not_equal_condition.php.inc
index 7ffd0e62f1a..56a37c2dfc5 100644
--- a/rules-tests/DeadCode/Rector/If_/RemoveUnusedNonEmptyArrayBeforeForeachRector/Fixture/not_equal.php.inc
+++ b/rules-tests/DeadCode/Rector/If_/RemoveUnusedNonEmptyArrayBeforeForeachRector/Fixture/not_equal_condition.php.inc
@@ -2,7 +2,7 @@
 
 namespace Rector\Tests\DeadCode\Rector\If_\RemoveUnusedNonEmptyArrayBeforeForeachRector\Fixture;
 
-class NotEqual
+final class NotEqualCondition
 {
     public function run()
     {
@@ -21,7 +21,7 @@ class NotEqual
 
 namespace Rector\Tests\DeadCode\Rector\If_\RemoveUnusedNonEmptyArrayBeforeForeachRector\Fixture;
 
-class NotEqual
+final class NotEqualCondition
 {
     public function run()
     {
diff --git a/rules/CodeQuality/Rector/BooleanAnd/RepeatedAndNotEqualToNotInArrayRector.php b/rules/CodeQuality/Rector/BooleanAnd/RepeatedAndNotEqualToNotInArrayRector.php
new file mode 100644
index 00000000000..6078257de27
--- /dev/null
+++ b/rules/CodeQuality/Rector/BooleanAnd/RepeatedAndNotEqualToNotInArrayRector.php
@@ -0,0 +1,195 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\CodeQuality\Rector\BooleanAnd;
+
+use PhpParser\Node;
+use PhpParser\Node\Arg;
+use PhpParser\Node\Expr;
+use PhpParser\Node\Expr\BinaryOp\BooleanAnd;
+use PhpParser\Node\Expr\BinaryOp\NotEqual;
+use PhpParser\Node\Expr\BinaryOp\NotIdentical;
+use PhpParser\Node\Expr\BooleanNot;
+use PhpParser\Node\Expr\ConstFetch;
+use PhpParser\Node\Expr\FuncCall;
+use PhpParser\Node\Name;
+use Rector\CodeQuality\ValueObject\ComparedExprAndValueExpr;
+use Rector\PhpParser\Node\BetterNodeFinder;
+use Rector\Rector\AbstractRector;
+use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
+use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
+
+/**
+ * @see \Rector\Tests\CodeQuality\Rector\BooleanAnd\RepeatedAndNotEqualToNotInArrayRector\RepeatedAndNotEqualToNotInArrayRectorTest
+ */
+final class RepeatedAndNotEqualToNotInArrayRector extends AbstractRector
+{
+    public function __construct(
+        private readonly BetterNodeFinder $betterNodeFinder,
+    ) {
+    }
+
+    public function getRuleDefinition(): RuleDefinition
+    {
+        return new RuleDefinition(
+            'Simplify repeated && compare of same value, to ! in_array() call',
+            [
+                new CodeSample(
+                    <<<'CODE_SAMPLE'
+if ($value !== 10 && $value !== 20 && $value !== 30) {
+    // ...
+}
+
+CODE_SAMPLE
+                    ,
+                    <<<'CODE_SAMPLE'
+if (! in_array($value, [10, 20, 30], true)) {
+    // ...
+}
+CODE_SAMPLE
+                ),
+            ]
+        );
+    }
+
+    /**
+     * @return array<class-string<Node>>
+     */
+    public function getNodeTypes(): array
+    {
+        return [BooleanAnd::class];
+    }
+
+    /**
+     * @param BooleanAnd $node
+     */
+    public function refactor(Node $node): ?BooleanNot
+    {
+        if (! $this->isNotEqualOrNotIdentical($node->right)) {
+            return null;
+        }
+
+        // match compared variable and expr
+        if (! $node->left instanceof BooleanAnd && ! $this->isNotEqualOrNotIdentical($node->left)) {
+            return null;
+        }
+
+        $comparedExprAndValueExprs = $this->matchComparedAndDesiredValues($node);
+        if ($comparedExprAndValueExprs === null) {
+            return null;
+        }
+
+        if (count($comparedExprAndValueExprs) < 3) {
+            return null;
+        }
+
+        // ensure all compared expr are the same
+        $valueExprs = $this->resolveValueExprs($comparedExprAndValueExprs);
+
+        /** @var ComparedExprAndValueExpr $firstComparedExprAndValue */
+        $firstComparedExprAndValue = array_pop($comparedExprAndValueExprs);
+
+        // all compared expr must be equal
+        foreach ($comparedExprAndValueExprs as $comparedExprAndValueExpr) {
+            if (! $this->nodeComparator->areNodesEqual(
+                $firstComparedExprAndValue->getComparedExpr(),
+                $comparedExprAndValueExpr->getComparedExpr()
+            )) {
+                return null;
+            }
+        }
+
+        $array = $this->nodeFactory->createArray($valueExprs);
+
+        $args = $this->nodeFactory->createArgs([$firstComparedExprAndValue->getComparedExpr(), $array]);
+
+        if ($this->isStrictComparison($node)) {
+            $args[] = new Arg(new ConstFetch(new Name('true')));
+        }
+
+        $inArrayFuncCall = new FuncCall(new Name('in_array'), $args);
+
+        return new BooleanNot($inArrayFuncCall);
+    }
+
+    private function isNotEqualOrNotIdentical(Expr $expr): bool
+    {
+        if ($expr instanceof NotIdentical) {
+            return true;
+        }
+
+        return $expr instanceof NotEqual;
+    }
+
+    private function matchComparedExprAndValueExpr(NotIdentical|NotEqual $expr): ComparedExprAndValueExpr
+    {
+        return new ComparedExprAndValueExpr($expr->left, $expr->right);
+    }
+
+    /**
+     * @param ComparedExprAndValueExpr[] $comparedExprAndValueExprs
+     * @return Expr[]
+     */
+    private function resolveValueExprs(array $comparedExprAndValueExprs): array
+    {
+        $valueExprs = [];
+
+        foreach ($comparedExprAndValueExprs as $comparedExprAndValueExpr) {
+            $valueExprs[] = $comparedExprAndValueExpr->getValueExpr();
+        }
+
+        return $valueExprs;
+    }
+
+    /**
+     * @return null|ComparedExprAndValueExpr[]
+     */
+    private function matchComparedAndDesiredValues(BooleanAnd $booleanAnd): ?array
+    {
+        /** @var NotIdentical|NotEqual $rightCompare */
+        $rightCompare = $booleanAnd->right;
+
+        // match compared expr and desired value
+        $comparedExprAndValueExprs = [$this->matchComparedExprAndValueExpr($rightCompare)];
+
+        $currentBooleanAnd = $booleanAnd;
+
+        while ($currentBooleanAnd->left instanceof BooleanAnd) {
+            if (! $this->isNotEqualOrNotIdentical($currentBooleanAnd->left->right)) {
+                return null;
+            }
+
+            /** @var NotIdentical|NotEqual $leftRight */
+            $leftRight = $currentBooleanAnd->left->right;
+            $comparedExprAndValueExprs[] = $this->matchComparedExprAndValueExpr($leftRight);
+            $currentBooleanAnd = $currentBooleanAnd->left;
+        }
+
+        if (! $this->isNotEqualOrNotIdentical($currentBooleanAnd->left)) {
+            return null;
+        }
+
+        /** @var NotIdentical|NotEqual $leftCompare */
+        $leftCompare = $currentBooleanAnd->left;
+
+        $comparedExprAndValueExprs[] = $this->matchComparedExprAndValueExpr($leftCompare);
+
+        // keep original natural order, as left/right goes from bottom up
+        return array_reverse($comparedExprAndValueExprs);
+    }
+
+    private function isStrictComparison(BooleanAnd $booleanAnd): bool
+    {
+        $notIdenticals = $this->betterNodeFinder->findInstanceOf($booleanAnd, NotIdentical::class);
+        $notEquals = $this->betterNodeFinder->findInstanceOf($booleanAnd, NotEqual::class);
+
+        if ($notIdenticals !== []) {
+            // mix not identical and not equals, keep as is
+            // @see https://3v4l.org/2SoHZ
+            return $notEquals === [];
+        }
+
+        return false;
+    }
+}
diff --git a/rules/CodeQuality/Rector/BooleanOr/RepeatedOrEqualToInArrayRector.php b/rules/CodeQuality/Rector/BooleanOr/RepeatedOrEqualToInArrayRector.php
index ab12f207c6b..f6f9372a11b 100644
--- a/rules/CodeQuality/Rector/BooleanOr/RepeatedOrEqualToInArrayRector.php
+++ b/rules/CodeQuality/Rector/BooleanOr/RepeatedOrEqualToInArrayRector.php
@@ -32,7 +32,7 @@ public function __construct(
     public function getRuleDefinition(): RuleDefinition
     {
         return new RuleDefinition(
-            'Simplify repeated || compare of same value, to in_array() class',
+            'Simplify repeated || compare of same value, to in_array() call',
             [
                 new CodeSample(
                     <<<'CODE_SAMPLE'
diff --git a/rules/Privatization/NodeManipulator/VisibilityManipulator.php b/rules/Privatization/NodeManipulator/VisibilityManipulator.php
index 267391ae8e7..1166277f1c1 100644
--- a/rules/Privatization/NodeManipulator/VisibilityManipulator.php
+++ b/rules/Privatization/NodeManipulator/VisibilityManipulator.php
@@ -207,7 +207,7 @@ private function replaceVisibilityFlag(ClassMethod | Property | ClassConst | Par
             $this->makeNonStatic($node);
         }
 
-        if ($visibility !== Visibility::STATIC && $visibility !== Visibility::ABSTRACT && $visibility !== Visibility::FINAL) {
+        if (! in_array($visibility, [Visibility::STATIC, Visibility::ABSTRACT, Visibility::FINAL], true)) {
             $this->removeVisibility($node);
         }
 
diff --git a/src/Config/Level/CodeQualityLevel.php b/src/Config/Level/CodeQualityLevel.php
index 4b7a8c4cf22..3175e265825 100644
--- a/src/Config/Level/CodeQualityLevel.php
+++ b/src/Config/Level/CodeQualityLevel.php
@@ -6,6 +6,7 @@
 
 use Rector\CodeQuality\Rector\Assign\CombinedAssignRector;
 use Rector\CodeQuality\Rector\BooleanAnd\RemoveUselessIsObjectCheckRector;
+use Rector\CodeQuality\Rector\BooleanAnd\RepeatedAndNotEqualToNotInArrayRector;
 use Rector\CodeQuality\Rector\BooleanAnd\SimplifyEmptyArrayCheckRector;
 use Rector\CodeQuality\Rector\BooleanNot\ReplaceMultipleBooleanNotRector;
 use Rector\CodeQuality\Rector\BooleanNot\SimplifyDeMorganBinaryRector;
@@ -107,6 +108,7 @@ final class CodeQualityLevel
         ReplaceMultipleBooleanNotRector::class,
         ForeachToInArrayRector::class,
         RepeatedOrEqualToInArrayRector::class,
+        RepeatedAndNotEqualToNotInArrayRector::class,
         SimplifyForeachToCoalescingRector::class,
         SimplifyFuncGetArgsCountRector::class,
         SimplifyInArrayValuesRector::class,
diff --git a/src/ValueObject/Error/SystemError.php b/src/ValueObject/Error/SystemError.php
index 213dd49e2d1..6f3d697a32d 100644
--- a/src/ValueObject/Error/SystemError.php
+++ b/src/ValueObject/Error/SystemError.php
@@ -83,7 +83,8 @@ public function getRectorClass(): ?string
     public function getRectorShortClass(): ?string
     {
         $rectorClass = $this->rectorClass;
-        if ($rectorClass !== null && $rectorClass !== '' && $rectorClass !== '0') {
+
+        if (! in_array($rectorClass, [null, ''], true)) {
             return (string) Strings::after($rectorClass, '\\', -1);
         }