diff --git a/config/set/downgrade-php80.php b/config/set/downgrade-php80.php
index d28a2a4fae9..8fe3d2e5e10 100644
--- a/config/set/downgrade-php80.php
+++ b/config/set/downgrade-php80.php
@@ -37,5 +37,6 @@ return static function (\RectorPrefix20210530\Symfony\Component\DependencyInject
     $services->set(\Rector\DowngradePhp80\Rector\ClassConstFetch\DowngradeClassOnObjectToGetClassRector::class);
     $services->set(\Rector\DowngradePhp80\Rector\NullsafeMethodCall\DowngradeNullsafeToTernaryOperatorRector::class);
     $services->set(\Rector\DowngradePhp80\Rector\ClassMethod\DowngradeTrailingCommasInParamUseRector::class);
-    $services->set(\Rector\DowngradePhp80\Rector\Class_\DowngradeAttributeToAnnotationRector::class);
+    $services->set(\Rector\DowngradePhp80\Rector\FuncCall\DowngradeStrStartsWithRector::class);
+    $services->set(\Rector\DowngradePhp80\Rector\FuncCall\DowngradeStrEndsWithRector::class);
 };
diff --git a/packages/BetterPhpDocParser/PhpDocParser/ClassAnnotationMatcher.php b/packages/BetterPhpDocParser/PhpDocParser/ClassAnnotationMatcher.php
index 74214f4a4f2..de207b61149 100644
--- a/packages/BetterPhpDocParser/PhpDocParser/ClassAnnotationMatcher.php
+++ b/packages/BetterPhpDocParser/PhpDocParser/ClassAnnotationMatcher.php
@@ -84,7 +84,7 @@ final class ClassAnnotationMatcher
             return $useUse->name->toString();
         }
         $unaliasedShortClass = \RectorPrefix20210530\Nette\Utils\Strings::substring($tag, \RectorPrefix20210530\Nette\Utils\Strings::length($useUse->alias->toString()));
-        if (\str_starts_with($unaliasedShortClass, '\\')) {
+        if (\strncmp($unaliasedShortClass, '\\', \strlen('\\')) === 0) {
             return $useUse->name . $unaliasedShortClass;
         }
         return $useUse->name . '\\' . $unaliasedShortClass;
diff --git a/packages/ChangesReporting/Annotation/AnnotationExtractor.php b/packages/ChangesReporting/Annotation/AnnotationExtractor.php
index 6e6484f0089..c37e675f1bb 100644
--- a/packages/ChangesReporting/Annotation/AnnotationExtractor.php
+++ b/packages/ChangesReporting/Annotation/AnnotationExtractor.php
@@ -21,8 +21,9 @@ final class AnnotationExtractor
         if (!\is_string($docComment)) {
             return null;
         }
-        // @see https://regex101.com/r/oYGaWU/1
-        $pattern = '#' . \preg_quote($annotation, '#') . '\\s+(?<content>.*?)$#m';
+        // @see https://3v4l.org/ouYfB
+        // uses 'r?\n' instead of '$' because windows compat
+        $pattern = '#' . \preg_quote($annotation, '#') . '\\s+(?<content>.*?)\\r?\\n#m';
         $matches = \RectorPrefix20210530\Nette\Utils\Strings::match($docComment, $pattern);
         return $matches['content'] ?? null;
     }
diff --git a/packages/Comments/CommentRemover.php b/packages/Comments/CommentRemover.php
index 7fcb3166a43..445d69d7647 100644
--- a/packages/Comments/CommentRemover.php
+++ b/packages/Comments/CommentRemover.php
@@ -22,10 +22,10 @@ final class CommentRemover
         $this->commentRemovingNodeTraverser = $commentRemovingNodeTraverser;
     }
     /**
-     * @param Node[]|Node|null $node
-     * @return Node[]|null
+     * @return mixed[]|null
+     * @param mixed[]|\PhpParser\Node|null $node
      */
-    public function removeFromNode($node) : ?array
+    public function removeFromNode($node)
     {
         if ($node === null) {
             return null;
diff --git a/packages/FileFormatter/Formatter/XmlFileFormatter.php b/packages/FileFormatter/Formatter/XmlFileFormatter.php
index ab5f912aad0..bd3f34e1283 100644
--- a/packages/FileFormatter/Formatter/XmlFileFormatter.php
+++ b/packages/FileFormatter/Formatter/XmlFileFormatter.php
@@ -69,7 +69,7 @@ final class XmlFileFormatter implements \Rector\FileFormatter\Contract\Formatter
         $output = '';
         $this->depth = 0;
         $parts = $this->getXmlParts($xml);
-        if (\str_starts_with($parts[0], '<?xml')) {
+        if (\strncmp($parts[0], '<?xml', \strlen('<?xml')) === 0) {
             $output = \array_shift($parts) . \PHP_EOL;
         }
         foreach ($parts as $part) {
diff --git a/packages/FileFormatter/ValueObject/Indent.php b/packages/FileFormatter/ValueObject/Indent.php
index b889823c2b1..ea43df87a5d 100644
--- a/packages/FileFormatter/ValueObject/Indent.php
+++ b/packages/FileFormatter/ValueObject/Indent.php
@@ -116,6 +116,6 @@ final class Indent
     }
     private function startsWithSpace() : bool
     {
-        return \str_starts_with($this->string, ' ');
+        return \strncmp($this->string, ' ', \strlen(' ')) === 0;
     }
 }
diff --git a/packages/FileSystemRector/ValueObjectFactory/AddedFileWithNodesFactory.php b/packages/FileSystemRector/ValueObjectFactory/AddedFileWithNodesFactory.php
index aa24c33c955..03443a76d8a 100644
--- a/packages/FileSystemRector/ValueObjectFactory/AddedFileWithNodesFactory.php
+++ b/packages/FileSystemRector/ValueObjectFactory/AddedFileWithNodesFactory.php
@@ -60,7 +60,7 @@ final class AddedFileWithNodesFactory
         }
         // is already in the right group
         $currentNamespaceName = $currentNamespace->name->toString();
-        if (\str_ends_with($currentNamespaceName, '\\' . $desiredGroupName)) {
+        if (\substr_compare($currentNamespaceName, '\\' . $desiredGroupName, -\strlen('\\' . $desiredGroupName)) === 0) {
             return null;
         }
         $oldClassName = $currentNamespaceName . '\\' . $this->fileInfoDeletionAnalyzer->clearNameFromTestingPrefix($oldFileInfo->getBasenameWithoutSuffix());
diff --git a/packages/NodeCollector/NodeCollector/NodeRepository.php b/packages/NodeCollector/NodeCollector/NodeRepository.php
index 6ab6ccd19cc..d501107d161 100644
--- a/packages/NodeCollector/NodeCollector/NodeRepository.php
+++ b/packages/NodeCollector/NodeCollector/NodeRepository.php
@@ -269,7 +269,7 @@ final class NodeRepository
     {
         $classNodes = [];
         foreach ($this->parsedNodeCollector->getClasses() as $className => $classNode) {
-            if (!\str_ends_with($className, $suffix)) {
+            if (\substr_compare($className, $suffix, -\strlen($suffix)) !== 0) {
                 continue;
             }
             $classNodes[] = $classNode;
diff --git a/packages/NodeCollector/NodeCollector/ParsedNodeCollector.php b/packages/NodeCollector/NodeCollector/ParsedNodeCollector.php
index b55a8d5d03a..115ea1b4df4 100644
--- a/packages/NodeCollector/NodeCollector/ParsedNodeCollector.php
+++ b/packages/NodeCollector/NodeCollector/ParsedNodeCollector.php
@@ -114,7 +114,7 @@ final class ParsedNodeCollector
     public function findByShortName(string $shortName) : ?\PhpParser\Node\Stmt\Class_
     {
         foreach ($this->classes as $className => $classNode) {
-            if (\str_ends_with($className, '\\' . $shortName)) {
+            if (\substr_compare($className, '\\' . $shortName, -\strlen('\\' . $shortName)) === 0) {
                 return $classNode;
             }
         }
diff --git a/packages/NodeRemoval/NodeRemover.php b/packages/NodeRemoval/NodeRemover.php
index 148cfc4cc65..d9953bd7303 100644
--- a/packages/NodeRemoval/NodeRemover.php
+++ b/packages/NodeRemoval/NodeRemover.php
@@ -43,12 +43,12 @@ final class NodeRemover
         $this->rectorChangeCollector->notifyNodeFileInfo($node);
     }
     /**
-     * @param Class_|ClassMethod|Function_ $nodeWithStatements
+     * @param \PhpParser\Node\Stmt\Class_|\PhpParser\Node\Stmt\ClassMethod|\PhpParser\Node\Stmt\Function_ $nodeWithStatements
      */
-    public function removeNodeFromStatements(\PhpParser\Node $nodeWithStatements, \PhpParser\Node $nodeToRemove) : void
+    public function removeNodeFromStatements($nodeWithStatements, \PhpParser\Node $toBeRemovedNode) : void
     {
         foreach ((array) $nodeWithStatements->stmts as $key => $stmt) {
-            if ($nodeToRemove !== $stmt) {
+            if ($toBeRemovedNode !== $stmt) {
                 continue;
             }
             unset($nodeWithStatements->stmts[$key]);
diff --git a/packages/NodeTypeResolver/PHPStan/Scope/PHPStanNodeScopeResolver.php b/packages/NodeTypeResolver/PHPStan/Scope/PHPStanNodeScopeResolver.php
index 189f0dc050d..62e79b45453 100644
--- a/packages/NodeTypeResolver/PHPStan/Scope/PHPStanNodeScopeResolver.php
+++ b/packages/NodeTypeResolver/PHPStan/Scope/PHPStanNodeScopeResolver.php
@@ -6,7 +6,6 @@ namespace Rector\NodeTypeResolver\PHPStan\Scope;
 use RectorPrefix20210530\Nette\Utils\Strings;
 use PhpParser\Node;
 use PhpParser\Node\Stmt\Class_;
-use PhpParser\Node\Stmt\ClassLike;
 use PhpParser\Node\Stmt\Interface_;
 use PhpParser\Node\Stmt\Trait_;
 use PhpParser\NodeTraverser;
@@ -141,9 +140,9 @@ final class PHPStanNodeScopeResolver
         $nodeTraverser->traverse($nodes);
     }
     /**
-     * @param Class_|Interface_ $classLike
+     * @param \PhpParser\Node\Stmt\Class_|\PhpParser\Node\Stmt\Interface_ $classLike
      */
-    private function resolveClassOrInterfaceScope(\PhpParser\Node\Stmt\ClassLike $classLike, \PHPStan\Analyser\Scope $scope) : \PHPStan\Analyser\Scope
+    private function resolveClassOrInterfaceScope($classLike, \PHPStan\Analyser\Scope $scope) : \PHPStan\Analyser\Scope
     {
         $className = $this->resolveClassName($classLike);
         // is anonymous class? - not possible to enter it since PHPStan 0.12.33, see https://github.com/phpstan/phpstan-src/commit/e87fb0ec26f9c8552bbeef26a868b1e5d8185e91
@@ -184,9 +183,9 @@ final class PHPStanNodeScopeResolver
         $this->changedFilesDetector->addFileWithDependencies($smartFileInfo, $dependentFiles);
     }
     /**
-     * @param Class_|Interface_|Trait_ $classLike
+     * @param \PhpParser\Node\Stmt\Class_|\PhpParser\Node\Stmt\Interface_|\PhpParser\Node\Stmt\Trait_ $classLike
      */
-    private function resolveClassName(\PhpParser\Node\Stmt\ClassLike $classLike) : string
+    private function resolveClassName($classLike) : string
     {
         if (\property_exists($classLike, 'namespacedName')) {
             return (string) $classLike->namespacedName;
diff --git a/packages/NodeTypeResolver/PhpDocNodeVisitor/UnderscoreRenamePhpDocNodeVisitor.php b/packages/NodeTypeResolver/PhpDocNodeVisitor/UnderscoreRenamePhpDocNodeVisitor.php
index b82ab2183af..6b6a7a4122e 100644
--- a/packages/NodeTypeResolver/PhpDocNodeVisitor/UnderscoreRenamePhpDocNodeVisitor.php
+++ b/packages/NodeTypeResolver/PhpDocNodeVisitor/UnderscoreRenamePhpDocNodeVisitor.php
@@ -69,7 +69,7 @@ final class UnderscoreRenamePhpDocNodeVisitor extends \RectorPrefix20210530\Symp
         if (!$staticType instanceof \PHPStan\Type\ObjectType) {
             return \true;
         }
-        if (!\str_starts_with($staticType->getClassName(), $pseudoNamespaceToNamespace->getNamespacePrefix())) {
+        if (\strncmp($staticType->getClassName(), $pseudoNamespaceToNamespace->getNamespacePrefix(), \strlen($pseudoNamespaceToNamespace->getNamespacePrefix())) !== 0) {
             return \true;
         }
         // excluded?
diff --git a/packages/PHPStanStaticTypeMapper/PHPStanStaticTypeMapper.php b/packages/PHPStanStaticTypeMapper/PHPStanStaticTypeMapper.php
index 1318b417b1f..79cd08823e3 100644
--- a/packages/PHPStanStaticTypeMapper/PHPStanStaticTypeMapper.php
+++ b/packages/PHPStanStaticTypeMapper/PHPStanStaticTypeMapper.php
@@ -3,10 +3,9 @@
 declare (strict_types=1);
 namespace Rector\PHPStanStaticTypeMapper;
 
-use PhpParser\Node;
 use PhpParser\Node\Name;
 use PhpParser\Node\NullableType;
-use PhpParser\Node\UnionType as PhpParserUnionType;
+use PhpParser\Node\UnionType;
 use PHPStan\PhpDocParser\Ast\Type\TypeNode;
 use PHPStan\Type\Type;
 use Rector\Core\Exception\NotImplementedYetException;
@@ -35,9 +34,9 @@ final class PHPStanStaticTypeMapper
         throw new \Rector\Core\Exception\NotImplementedYetException(__METHOD__ . ' for ' . \get_class($type));
     }
     /**
-     * @return Name|NullableType|PhpParserUnionType|null
+     * @return \PhpParser\Node\Name|\PhpParser\Node\NullableType|\PhpParser\Node\UnionType|null
      */
-    public function mapToPhpParserNode(\PHPStan\Type\Type $type, ?string $kind = null) : ?\PhpParser\Node
+    public function mapToPhpParserNode(\PHPStan\Type\Type $type, ?string $kind = null)
     {
         foreach ($this->typeMappers as $typeMapper) {
             if (!\is_a($type, $typeMapper->getNodeClass(), \true)) {
diff --git a/packages/PHPStanStaticTypeMapper/TypeMapper/UnionTypeMapper.php b/packages/PHPStanStaticTypeMapper/TypeMapper/UnionTypeMapper.php
index 2662bf30412..6507318791d 100644
--- a/packages/PHPStanStaticTypeMapper/TypeMapper/UnionTypeMapper.php
+++ b/packages/PHPStanStaticTypeMapper/TypeMapper/UnionTypeMapper.php
@@ -146,9 +146,9 @@ final class UnionTypeMapper implements \Rector\PHPStanStaticTypeMapper\Contract\
         return $unionTypeAnalysis->hasArray();
     }
     /**
-     * @return Name|NullableType|null
+     * @return \PhpParser\Node\Name|\PhpParser\Node\NullableType|null
      */
-    private function matchArrayTypes(\PHPStan\Type\UnionType $unionType) : ?\PhpParser\Node
+    private function matchArrayTypes(\PHPStan\Type\UnionType $unionType)
     {
         $unionTypeAnalysis = $this->unionTypeAnalyzer->analyseForNullableAndIterable($unionType);
         if (!$unionTypeAnalysis instanceof \Rector\PHPStanStaticTypeMapper\ValueObject\UnionTypeAnalysis) {
diff --git a/packages/StaticTypeMapper/PhpParser/FullyQualifiedNodeMapper.php b/packages/StaticTypeMapper/PhpParser/FullyQualifiedNodeMapper.php
index a0e7d70e6a7..675d82c000d 100644
--- a/packages/StaticTypeMapper/PhpParser/FullyQualifiedNodeMapper.php
+++ b/packages/StaticTypeMapper/PhpParser/FullyQualifiedNodeMapper.php
@@ -40,6 +40,6 @@ final class FullyQualifiedNodeMapper implements \Rector\StaticTypeMapper\Contrac
         if ($originalName === $fullyQualifiedName) {
             return \false;
         }
-        return !\str_ends_with($fullyQualifiedName, '\\' . $originalName);
+        return \substr_compare($fullyQualifiedName, '\\' . $originalName, -\strlen('\\' . $originalName)) !== 0;
     }
 }
diff --git a/rules/Arguments/Rector/ClassMethod/ArgumentAdderRector.php b/rules/Arguments/Rector/ClassMethod/ArgumentAdderRector.php
index 482e319d262..7ba236fb112 100644
--- a/rules/Arguments/Rector/ClassMethod/ArgumentAdderRector.php
+++ b/rules/Arguments/Rector/ClassMethod/ArgumentAdderRector.php
@@ -128,9 +128,9 @@ CODE_SAMPLE
         return $this->isObjectType($classLike, $objectType);
     }
     /**
-     * @param ClassMethod|MethodCall|StaticCall $node
+     * @param \PhpParser\Node\Stmt\ClassMethod|\PhpParser\Node\Expr\MethodCall|\PhpParser\Node\Expr\StaticCall $node
      */
-    private function processPositionWithDefaultValues(\PhpParser\Node $node, \Rector\Arguments\ValueObject\ArgumentAdder $argumentAdder) : void
+    private function processPositionWithDefaultValues($node, \Rector\Arguments\ValueObject\ArgumentAdder $argumentAdder) : void
     {
         if ($this->shouldSkipParameter($node, $argumentAdder)) {
             return;
diff --git a/rules/Autodiscovery/Rector/Class_/MoveValueObjectsToValueObjectDirectoryRector.php b/rules/Autodiscovery/Rector/Class_/MoveValueObjectsToValueObjectDirectoryRector.php
index 7d98a299dfd..ca10c68c10c 100644
--- a/rules/Autodiscovery/Rector/Class_/MoveValueObjectsToValueObjectDirectoryRector.php
+++ b/rules/Autodiscovery/Rector/Class_/MoveValueObjectsToValueObjectDirectoryRector.php
@@ -167,7 +167,7 @@ CODE_SAMPLE
             return \false;
         }
         foreach ($this->suffixes as $suffix) {
-            if (\str_ends_with($className, $suffix)) {
+            if (\substr_compare($className, $suffix, -\strlen($suffix)) === 0) {
                 return \true;
             }
         }
@@ -176,7 +176,7 @@ CODE_SAMPLE
     private function isKnownServiceType(string $className) : bool
     {
         foreach (self::COMMON_SERVICE_SUFFIXES as $commonServiceSuffix) {
-            if (\str_ends_with($className, $commonServiceSuffix)) {
+            if (\substr_compare($className, $commonServiceSuffix, -\strlen($commonServiceSuffix)) === 0) {
                 return \true;
             }
         }
diff --git a/rules/CodeQuality/Rector/Include_/AbsolutizeRequireAndIncludePathRector.php b/rules/CodeQuality/Rector/Include_/AbsolutizeRequireAndIncludePathRector.php
index a33ebc32244..47130acefd0 100644
--- a/rules/CodeQuality/Rector/Include_/AbsolutizeRequireAndIncludePathRector.php
+++ b/rules/CodeQuality/Rector/Include_/AbsolutizeRequireAndIncludePathRector.php
@@ -63,15 +63,15 @@ CODE_SAMPLE
         /** @var string $includeValue */
         $includeValue = $this->valueResolver->getValue($node->expr);
         // skip phar
-        if (\str_starts_with($includeValue, 'phar://')) {
+        if (\strncmp($includeValue, 'phar://', \strlen('phar://')) === 0) {
             return null;
         }
         // skip absolute paths
-        if (\str_starts_with($includeValue, '/')) {
+        if (\strncmp($includeValue, '/', \strlen('/')) === 0) {
             return null;
         }
         // add preslash to string
-        if (\str_starts_with($includeValue, './')) {
+        if (\strncmp($includeValue, './', \strlen('./')) === 0) {
             $node->expr->value = \RectorPrefix20210530\Nette\Utils\Strings::substring($includeValue, 1);
         } else {
             $node->expr->value = '/' . $includeValue;
diff --git a/rules/CodingStyle/ClassNameImport/ClassNameImportSkipVoter/AliasClassNameImportSkipVoter.php b/rules/CodingStyle/ClassNameImport/ClassNameImportSkipVoter/AliasClassNameImportSkipVoter.php
index d3fec058c66..d68f00c8556 100644
--- a/rules/CodingStyle/ClassNameImport/ClassNameImportSkipVoter/AliasClassNameImportSkipVoter.php
+++ b/rules/CodingStyle/ClassNameImport/ClassNameImportSkipVoter/AliasClassNameImportSkipVoter.php
@@ -32,7 +32,7 @@ final class AliasClassNameImportSkipVoter implements \Rector\CodingStyle\Contrac
         foreach ($aliasedUses as $aliasedUse) {
             $aliasedUseLowered = \strtolower($aliasedUse);
             // its aliased, we cannot just rename it
-            if (\str_ends_with($aliasedUseLowered, '\\' . $fullyQualifiedObjectType->getShortNameLowered())) {
+            if (\substr_compare($aliasedUseLowered, '\\' . $fullyQualifiedObjectType->getShortNameLowered(), -\strlen('\\' . $fullyQualifiedObjectType->getShortNameLowered())) === 0) {
                 return \true;
             }
         }
diff --git a/rules/CodingStyle/Naming/ClassNaming.php b/rules/CodingStyle/Naming/ClassNaming.php
index a15f5421d99..4ad1d1ab621 100644
--- a/rules/CodingStyle/Naming/ClassNaming.php
+++ b/rules/CodingStyle/Naming/ClassNaming.php
@@ -27,7 +27,7 @@ final class ClassNaming
         return \lcfirst($shortName);
     }
     /**
-     * @param string|Name|Identifier|ClassLike $name
+     * @param string|\PhpParser\Node\Name|\PhpParser\Node\Identifier|\PhpParser\Node\Stmt\ClassLike $name
      */
     public function getShortName($name) : string
     {
@@ -69,7 +69,7 @@ final class ClassNaming
     }
     public function replaceSuffix(string $content, string $oldSuffix, string $newSuffix) : string
     {
-        if (!\str_ends_with($content, $oldSuffix)) {
+        if (\substr_compare($content, $oldSuffix, -\strlen($oldSuffix)) !== 0) {
             return $content . $newSuffix;
         }
         $contentWithoutOldSuffix = \RectorPrefix20210530\Nette\Utils\Strings::substring($content, 0, -\RectorPrefix20210530\Nette\Utils\Strings::length($oldSuffix));
diff --git a/rules/CodingStyle/Naming/NameRenamer.php b/rules/CodingStyle/Naming/NameRenamer.php
index 8b7837195c0..81243151069 100644
--- a/rules/CodingStyle/Naming/NameRenamer.php
+++ b/rules/CodingStyle/Naming/NameRenamer.php
@@ -13,6 +13,7 @@ use PhpParser\Node\Stmt\Class_;
 use PhpParser\Node\Stmt\ClassMethod;
 use PhpParser\Node\Stmt\Interface_;
 use PhpParser\Node\Stmt\TraitUse;
+use PhpParser\Node\UnionType;
 use Rector\CodingStyle\ValueObject\NameAndParent;
 use Rector\NodeNameResolver\NodeNameResolver;
 final class NameRenamer
@@ -54,6 +55,9 @@ final class NameRenamer
             if ($parentNode instanceof \PhpParser\Node\Expr\StaticCall) {
                 $this->renameStaticCall($lastName, $parentNode);
             }
+            if ($parentNode instanceof \PhpParser\Node\UnionType) {
+                $this->renameUnionType($lastName, $parentNode, $usedName);
+            }
         }
     }
     /**
@@ -98,6 +102,18 @@ final class NameRenamer
         }
         $param->type = new \PhpParser\Node\Name($lastName);
     }
+    private function renameUnionType(string $lastName, \PhpParser\Node\UnionType $unionType, \PhpParser\Node $usedNameNode) : void
+    {
+        foreach ($unionType->types as $key => $unionedType) {
+            if (!$this->nodeNameResolver->areNamesEqual($unionedType, $usedNameNode)) {
+                continue;
+            }
+            if (!$unionedType instanceof \PhpParser\Node\Name) {
+                continue;
+            }
+            $unionType->types[$key] = new \PhpParser\Node\Name($lastName);
+        }
+    }
     /**
      * @param Name|Identifier $usedNameNode
      */
diff --git a/rules/CodingStyle/Rector/Assign/PHPStormVarAnnotationRector.php b/rules/CodingStyle/Rector/Assign/PHPStormVarAnnotationRector.php
index cbc488e9598..cc7dbb7df45 100644
--- a/rules/CodingStyle/Rector/Assign/PHPStormVarAnnotationRector.php
+++ b/rules/CodingStyle/Rector/Assign/PHPStormVarAnnotationRector.php
@@ -122,7 +122,7 @@ CODE_SAMPLE
         $docContent = $this->getDocContent($node);
         // normalize content
         // starts with "/*", instead of "/**"
-        if (\str_starts_with($docContent, '/* ')) {
+        if (\strncmp($docContent, '/* ', \strlen('/* ')) === 0) {
             $docContent = \RectorPrefix20210530\Nette\Utils\Strings::replace($docContent, self::SINGLE_ASTERISK_COMMENT_START_REGEX, '/** ');
         }
         // $value is first, instead of type is first
diff --git a/rules/CodingStyle/Rector/Include_/FollowRequireByDirRector.php b/rules/CodingStyle/Rector/Include_/FollowRequireByDirRector.php
index fbdc2d3ae6d..061535bf681 100644
--- a/rules/CodingStyle/Rector/Include_/FollowRequireByDirRector.php
+++ b/rules/CodingStyle/Rector/Include_/FollowRequireByDirRector.php
@@ -64,7 +64,7 @@ CODE_SAMPLE
     }
     private function isRefactorableStringPath(\PhpParser\Node\Scalar\String_ $string) : bool
     {
-        return !\str_starts_with($string->value, 'phar://');
+        return \strncmp($string->value, 'phar://', \strlen('phar://')) !== 0;
     }
     private function prefixWithDir(\PhpParser\Node\Scalar\String_ $string) : \PhpParser\Node\Expr\BinaryOp\Concat
     {
@@ -77,14 +77,14 @@ CODE_SAMPLE
      */
     private function removeExtraDotSlash(\PhpParser\Node\Scalar\String_ $string) : void
     {
-        if (!\str_starts_with($string->value, './')) {
+        if (\strncmp($string->value, './', \strlen('./')) !== 0) {
             return;
         }
         $string->value = \RectorPrefix20210530\Nette\Utils\Strings::replace($string->value, '#^\\.\\/#', '/');
     }
     private function prependSlashIfMissing(\PhpParser\Node\Scalar\String_ $string) : void
     {
-        if (\str_starts_with($string->value, '/')) {
+        if (\strncmp($string->value, '/', \strlen('/')) === 0) {
             return;
         }
         $string->value = '/' . $string->value;
diff --git a/rules/DependencyInjection/Rector/Variable/ReplaceVariableByPropertyFetchRector.php b/rules/DependencyInjection/Rector/Variable/ReplaceVariableByPropertyFetchRector.php
index b45de0fd73c..5af9360685e 100644
--- a/rules/DependencyInjection/Rector/Variable/ReplaceVariableByPropertyFetchRector.php
+++ b/rules/DependencyInjection/Rector/Variable/ReplaceVariableByPropertyFetchRector.php
@@ -101,7 +101,7 @@ CODE_SAMPLE
         if ($className === null) {
             return \false;
         }
-        if (!\str_ends_with($className, 'Controller')) {
+        if (\substr_compare($className, 'Controller', -\strlen('Controller')) !== 0) {
             return \false;
         }
         $classMethod = $variable->getAttribute(\Rector\NodeTypeResolver\Node\AttributeKey::METHOD_NODE);
diff --git a/rules/DowngradePhp70/Rector/String_/DowngradeGeneratedScalarTypesRector.php b/rules/DowngradePhp70/Rector/String_/DowngradeGeneratedScalarTypesRector.php
index 5f382075fbf..66c50648ac3 100644
--- a/rules/DowngradePhp70/Rector/String_/DowngradeGeneratedScalarTypesRector.php
+++ b/rules/DowngradePhp70/Rector/String_/DowngradeGeneratedScalarTypesRector.php
@@ -119,7 +119,7 @@ CODE_SAMPLE
             return \true;
         }
         foreach (self::FILES_TO_INCLUDE as $fileToInclude) {
-            if (\str_ends_with($fileInfo->getRealPath(), $fileToInclude)) {
+            if (\substr_compare($fileInfo->getRealPath(), $fileToInclude, -\strlen($fileToInclude)) === 0) {
                 return \true;
             }
         }
diff --git a/rules/DowngradePhp80/Rector/FuncCall/DowngradeStrEndsWithRector.php b/rules/DowngradePhp80/Rector/FuncCall/DowngradeStrEndsWithRector.php
new file mode 100644
index 00000000000..972765942ff
--- /dev/null
+++ b/rules/DowngradePhp80/Rector/FuncCall/DowngradeStrEndsWithRector.php
@@ -0,0 +1,64 @@
+<?php
+
+declare (strict_types=1);
+namespace Rector\DowngradePhp80\Rector\FuncCall;
+
+use PhpParser\Node;
+use PhpParser\Node\Arg;
+use PhpParser\Node\Expr;
+use PhpParser\Node\Expr\BinaryOp\Identical;
+use PhpParser\Node\Expr\BinaryOp\NotIdentical;
+use PhpParser\Node\Expr\BooleanNot;
+use PhpParser\Node\Expr\FuncCall;
+use PhpParser\Node\Expr\UnaryMinus;
+use PhpParser\Node\Name;
+use PhpParser\Node\Scalar\LNumber;
+use Rector\Core\Rector\AbstractRector;
+use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
+use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
+/**
+ * @changelog https://wiki.php.net/rfc/add_str_starts_with_and_ends_with_functions
+ *
+ * @see \Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrEndsWithRector\DowngradeStrEndsWithRectorTest
+ */
+final class DowngradeStrEndsWithRector extends \Rector\Core\Rector\AbstractRector
+{
+    public function getRuleDefinition() : \Symplify\RuleDocGenerator\ValueObject\RuleDefinition
+    {
+        return new \Symplify\RuleDocGenerator\ValueObject\RuleDefinition('Downgrade str_ends_with() to strncmp() version', [new \Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample('str_ends_with($haystack, $needle);', '"" === $needle || ("" !== $haystack && 0 === substr_compare($haystack, $needle, -\\strlen($needle)));')]);
+    }
+    /**
+     * @return array<class-string<Node>>
+     */
+    public function getNodeTypes() : array
+    {
+        return [\PhpParser\Node\Expr\FuncCall::class, \PhpParser\Node\Expr\BooleanNot::class];
+    }
+    /**
+     * @param FuncCall|BooleanNot $node
+     */
+    public function refactor(\PhpParser\Node $node) : ?\PhpParser\Node
+    {
+        if ($node instanceof \PhpParser\Node\Expr\FuncCall && $this->isName($node->name, 'str_ends_with')) {
+            return new \PhpParser\Node\Expr\BinaryOp\Identical($this->createSubstrCompareFuncCall($node), new \PhpParser\Node\Scalar\LNumber(0));
+        }
+        if ($node instanceof \PhpParser\Node\Expr\BooleanNot) {
+            $funcCall = $node->expr;
+            if ($funcCall instanceof \PhpParser\Node\Expr\FuncCall && $this->isName($funcCall->name, 'str_ends_with')) {
+                return new \PhpParser\Node\Expr\BinaryOp\NotIdentical($this->createSubstrCompareFuncCall($funcCall), new \PhpParser\Node\Scalar\LNumber(0));
+            }
+        }
+        return null;
+    }
+    private function createSubstrCompareFuncCall(\PhpParser\Node\Expr\FuncCall $funcCall) : \PhpParser\Node\Expr\FuncCall
+    {
+        $args = $funcCall->args;
+        $strlenFuncCall = $this->createStrlenFuncCall($funcCall->args[1]->value);
+        $args[] = new \PhpParser\Node\Arg(new \PhpParser\Node\Expr\UnaryMinus($strlenFuncCall));
+        return new \PhpParser\Node\Expr\FuncCall(new \PhpParser\Node\Name('substr_compare'), $args);
+    }
+    private function createStrlenFuncCall(\PhpParser\Node\Expr $expr) : \PhpParser\Node\Expr\FuncCall
+    {
+        return new \PhpParser\Node\Expr\FuncCall(new \PhpParser\Node\Name('strlen'), [new \PhpParser\Node\Arg($expr)]);
+    }
+}
diff --git a/rules/DowngradePhp80/Rector/FuncCall/DowngradeStrStartsWithRector.php b/rules/DowngradePhp80/Rector/FuncCall/DowngradeStrStartsWithRector.php
new file mode 100644
index 00000000000..1e3004d08dd
--- /dev/null
+++ b/rules/DowngradePhp80/Rector/FuncCall/DowngradeStrStartsWithRector.php
@@ -0,0 +1,73 @@
+<?php
+
+declare (strict_types=1);
+namespace Rector\DowngradePhp80\Rector\FuncCall;
+
+use PhpParser\Node;
+use PhpParser\Node\Arg;
+use PhpParser\Node\Expr\BinaryOp\Identical;
+use PhpParser\Node\Expr\BinaryOp\NotIdentical;
+use PhpParser\Node\Expr\BooleanNot;
+use PhpParser\Node\Expr\FuncCall;
+use PhpParser\Node\Name;
+use PhpParser\Node\Scalar\LNumber;
+use Rector\Core\Rector\AbstractRector;
+use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
+use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
+/**
+ * @changelog https://wiki.php.net/rfc/add_str_starts_with_and_ends_with_functions
+ *
+ * @see \Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrStartsWithRector\DowngradeStrStartsWithRectorTest
+ */
+final class DowngradeStrStartsWithRector extends \Rector\Core\Rector\AbstractRector
+{
+    public function getRuleDefinition() : \Symplify\RuleDocGenerator\ValueObject\RuleDefinition
+    {
+        return new \Symplify\RuleDocGenerator\ValueObject\RuleDefinition('Downgrade str_starts_with() to strncmp() version', [new \Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample('str_starts_with($haystack, $needle);', 'strncmp($haystack, $needle, strlen($needle)) === 0;')]);
+    }
+    /**
+     * @return array<class-string<Node>>
+     */
+    public function getNodeTypes() : array
+    {
+        return [\PhpParser\Node\Expr\FuncCall::class, \PhpParser\Node\Expr\BooleanNot::class];
+    }
+    /**
+     * @param FuncCall|BooleanNot $node
+     */
+    public function refactor(\PhpParser\Node $node) : ?\PhpParser\Node
+    {
+        if ($node instanceof \PhpParser\Node\Expr\FuncCall && $this->isName($node, 'str_starts_with')) {
+            return $this->createIdentical($node);
+        }
+        if ($node instanceof \PhpParser\Node\Expr\BooleanNot) {
+            $negatedCall = $node->expr;
+            if ($negatedCall instanceof \PhpParser\Node\Expr\FuncCall && $this->isName($negatedCall, 'str_starts_with')) {
+                return $this->createNotIdenticalStrncmpFuncCall($negatedCall);
+            }
+        }
+        return null;
+    }
+    private function createIdentical(\PhpParser\Node\Expr\FuncCall $funcCall) : \PhpParser\Node\Expr\BinaryOp\Identical
+    {
+        $strlenFuncCall = $this->createStrlenFuncCall($funcCall);
+        $strncmpFuncCall = $this->createStrncmpFuncCall($funcCall, $strlenFuncCall);
+        return new \PhpParser\Node\Expr\BinaryOp\Identical($strncmpFuncCall, new \PhpParser\Node\Scalar\LNumber(0));
+    }
+    private function createNotIdenticalStrncmpFuncCall(\PhpParser\Node\Expr\FuncCall $funcCall) : \PhpParser\Node\Expr\BinaryOp\NotIdentical
+    {
+        $strlenFuncCall = $this->createStrlenFuncCall($funcCall);
+        $strncmpFuncCall = $this->createStrncmpFuncCall($funcCall, $strlenFuncCall);
+        return new \PhpParser\Node\Expr\BinaryOp\NotIdentical($strncmpFuncCall, new \PhpParser\Node\Scalar\LNumber(0));
+    }
+    private function createStrlenFuncCall(\PhpParser\Node\Expr\FuncCall $funcCall) : \PhpParser\Node\Expr\FuncCall
+    {
+        return new \PhpParser\Node\Expr\FuncCall(new \PhpParser\Node\Name('strlen'), [$funcCall->args[1]]);
+    }
+    private function createStrncmpFuncCall(\PhpParser\Node\Expr\FuncCall $funcCall, \PhpParser\Node\Expr\FuncCall $strlenFuncCall) : \PhpParser\Node\Expr\FuncCall
+    {
+        $newArgs = $funcCall->args;
+        $newArgs[] = new \PhpParser\Node\Arg($strlenFuncCall);
+        return new \PhpParser\Node\Expr\FuncCall(new \PhpParser\Node\Name('strncmp'), $newArgs);
+    }
+}
diff --git a/rules/Naming/Guard/BreakingVariableRenameGuard.php b/rules/Naming/Guard/BreakingVariableRenameGuard.php
index ff99170c879..506e6db48a0 100644
--- a/rules/Naming/Guard/BreakingVariableRenameGuard.php
+++ b/rules/Naming/Guard/BreakingVariableRenameGuard.php
@@ -74,7 +74,7 @@ final class BreakingVariableRenameGuard
     {
         // is the suffix? → also accepted
         $expectedNameCamelCase = \ucfirst($expectedName);
-        if (\str_ends_with($currentName, $expectedNameCamelCase)) {
+        if (\substr_compare($currentName, $expectedNameCamelCase, -\strlen($expectedNameCamelCase)) === 0) {
             return \true;
         }
         if ($this->conflictingNameResolver->checkNameIsInFunctionLike($expectedName, $functionLike)) {
@@ -101,7 +101,7 @@ final class BreakingVariableRenameGuard
     {
         // is the suffix? → also accepted
         $expectedNameCamelCase = \ucfirst($expectedName);
-        if (\str_ends_with($currentName, $expectedNameCamelCase)) {
+        if (\substr_compare($currentName, $expectedNameCamelCase, -\strlen($expectedNameCamelCase)) === 0) {
             return \true;
         }
         $conflictingNames = $this->conflictingNameResolver->resolveConflictingVariableNamesForParam($classMethod);
diff --git a/rules/Naming/NamespaceMatcher.php b/rules/Naming/NamespaceMatcher.php
index 6824fcf7610..c1fd2b8fb35 100644
--- a/rules/Naming/NamespaceMatcher.php
+++ b/rules/Naming/NamespaceMatcher.php
@@ -14,7 +14,7 @@ final class NamespaceMatcher
         \krsort($oldToNewNamespace);
         /** @var string $oldNamespace */
         foreach ($oldToNewNamespace as $oldNamespace => $newNamespace) {
-            if (\str_starts_with($name, $oldNamespace)) {
+            if (\strncmp($name, $oldNamespace, \strlen($oldNamespace)) === 0) {
                 return new \Rector\Renaming\ValueObject\RenamedNamespace($name, $oldNamespace, $newNamespace);
             }
         }
diff --git a/rules/Naming/Naming/PropertyNaming.php b/rules/Naming/Naming/PropertyNaming.php
index c188fb4801e..6412a4960aa 100644
--- a/rules/Naming/Naming/PropertyNaming.php
+++ b/rules/Naming/Naming/PropertyNaming.php
@@ -169,7 +169,7 @@ final class PropertyNaming
     private function removePrefixesAndSuffixes(string $shortClassName) : string
     {
         // is SomeInterface
-        if (\str_ends_with($shortClassName, self::INTERFACE)) {
+        if (\substr_compare($shortClassName, self::INTERFACE, -\strlen(self::INTERFACE)) === 0) {
             $shortClassName = \RectorPrefix20210530\Nette\Utils\Strings::substring($shortClassName, 0, -\strlen(self::INTERFACE));
         }
         // is ISomeClass
@@ -177,7 +177,7 @@ final class PropertyNaming
             $shortClassName = \RectorPrefix20210530\Nette\Utils\Strings::substring($shortClassName, 1);
         }
         // is AbstractClass
-        if (\str_starts_with($shortClassName, 'Abstract')) {
+        if (\strncmp($shortClassName, 'Abstract', \strlen('Abstract')) === 0) {
             $shortClassName = \RectorPrefix20210530\Nette\Utils\Strings::substring($shortClassName, \strlen('Abstract'));
         }
         return $shortClassName;
@@ -220,7 +220,7 @@ final class PropertyNaming
         }
         /** @var string $lastNamePart */
         $lastNamePart = \RectorPrefix20210530\Nette\Utils\Strings::after($fqn, '\\', -1);
-        if (\str_ends_with($lastNamePart, self::INTERFACE)) {
+        if (\substr_compare($lastNamePart, self::INTERFACE, -\strlen(self::INTERFACE)) === 0) {
             return \RectorPrefix20210530\Nette\Utils\Strings::substring($lastNamePart, 0, -\strlen(self::INTERFACE));
         }
         return $lastNamePart;
@@ -235,7 +235,7 @@ final class PropertyNaming
         if (\RectorPrefix20210530\Nette\Utils\Strings::match($shortName, self::I_PREFIX_REGEX)) {
             return \RectorPrefix20210530\Nette\Utils\Strings::substring($shortName, 1);
         }
-        if (\str_ends_with($shortName, self::INTERFACE)) {
+        if (\substr_compare($shortName, self::INTERFACE, -\strlen(self::INTERFACE)) === 0) {
             return \RectorPrefix20210530\Nette\Utils\Strings::substring($shortName, -\strlen(self::INTERFACE));
         }
         return $shortName;
@@ -270,7 +270,7 @@ final class PropertyNaming
         if (\strlen($shortClassName) <= 3) {
             return \false;
         }
-        if (!\str_starts_with($shortClassName, 'I')) {
+        if (\strncmp($shortClassName, 'I', \strlen('I')) !== 0) {
             return \false;
         }
         if (!\ctype_upper($shortClassName[1])) {
diff --git a/rules/Order/StmtVisibilitySorter.php b/rules/Order/StmtVisibilitySorter.php
index 5aee5d8a747..7eef4f72d58 100644
--- a/rules/Order/StmtVisibilitySorter.php
+++ b/rules/Order/StmtVisibilitySorter.php
@@ -3,7 +3,6 @@
 declare (strict_types=1);
 namespace Rector\Order;
 
-use PhpParser\Node\Stmt;
 use PhpParser\Node\Stmt\Class_;
 use PhpParser\Node\Stmt\ClassConst;
 use PhpParser\Node\Stmt\ClassLike;
@@ -27,10 +26,10 @@ final class StmtVisibilitySorter
         $this->nodeNameResolver = $nodeNameResolver;
     }
     /**
-     * @param Class_|Trait_ $classLike
      * @return string[]
+     * @param \PhpParser\Node\Stmt\Class_|\PhpParser\Node\Stmt\Trait_ $classLike
      */
-    public function sortProperties(\PhpParser\Node\Stmt\ClassLike $classLike) : array
+    public function sortProperties($classLike) : array
     {
         $propertyRankeables = [];
         foreach ($classLike->stmts as $position => $propertyStmt) {
@@ -60,10 +59,10 @@ final class StmtVisibilitySorter
         return $this->sortByRanksAndGetNames($classMethodsRankeables);
     }
     /**
-     * @param Class_|Interface_ $classLike
      * @return string[]
+     * @param \PhpParser\Node\Stmt\Class_|\PhpParser\Node\Stmt\Interface_ $classLike
      */
-    public function sortConstants(\PhpParser\Node\Stmt\ClassLike $classLike) : array
+    public function sortConstants($classLike) : array
     {
         $classConstsRankeables = [];
         foreach ($classLike->stmts as $position => $constantStmt) {
@@ -77,9 +76,9 @@ final class StmtVisibilitySorter
         return $this->sortByRanksAndGetNames($classConstsRankeables);
     }
     /**
-     * @param ClassMethod|Property|ClassConst $stmt
+     * @param \PhpParser\Node\Stmt\ClassMethod|\PhpParser\Node\Stmt\Property|\PhpParser\Node\Stmt\ClassConst $stmt
      */
-    private function getVisibilityLevelOrder(\PhpParser\Node\Stmt $stmt) : int
+    private function getVisibilityLevelOrder($stmt) : int
     {
         if ($stmt->isPrivate()) {
             return 2;
diff --git a/rules/PSR4/Composer/PSR4NamespaceMatcher.php b/rules/PSR4/Composer/PSR4NamespaceMatcher.php
index 778d5e12791..bf8e30e3f89 100644
--- a/rules/PSR4/Composer/PSR4NamespaceMatcher.php
+++ b/rules/PSR4/Composer/PSR4NamespaceMatcher.php
@@ -27,7 +27,7 @@ final class PSR4NamespaceMatcher implements \Rector\PSR4\Contract\PSR4AutoloadNa
             $paths = \is_array($path) ? $path : [$path];
             foreach ($paths as $path) {
                 $path = \rtrim($path, '/');
-                if (!\str_starts_with($smartFileInfo->getRelativeDirectoryPath(), $path)) {
+                if (\strncmp($smartFileInfo->getRelativeDirectoryPath(), $path, \strlen($path)) !== 0) {
                     continue;
                 }
                 $expectedNamespace = $namespace . $this->resolveExtraNamespace($smartFileInfo, $path);
diff --git a/rules/PSR4/FileRelocationResolver.php b/rules/PSR4/FileRelocationResolver.php
index 49c471ec09b..8ab398e9ddb 100644
--- a/rules/PSR4/FileRelocationResolver.php
+++ b/rules/PSR4/FileRelocationResolver.php
@@ -54,7 +54,7 @@ final class FileRelocationResolver
      */
     private function resolveRootDirectory(\Symplify\SmartFileSystem\SmartFileInfo $smartFileInfo, string $suffixName, array $groupNames) : string
     {
-        if (\str_starts_with($smartFileInfo->getRealPathDirectory(), '/tmp')) {
+        if (\strncmp($smartFileInfo->getRealPathDirectory(), '/tmp', \strlen('/tmp')) === 0) {
             $currentTraversePath = $smartFileInfo->getRealPathDirectory();
         } else {
             $currentTraversePath = $smartFileInfo->getRelativeDirectoryPath();
diff --git a/rules/Php70/Rector/FuncCall/EregToPregMatchRector.php b/rules/Php70/Rector/FuncCall/EregToPregMatchRector.php
index b767863d44a..a0693c70fc7 100644
--- a/rules/Php70/Rector/FuncCall/EregToPregMatchRector.php
+++ b/rules/Php70/Rector/FuncCall/EregToPregMatchRector.php
@@ -100,7 +100,7 @@ final class EregToPregMatchRector extends \Rector\Core\Rector\AbstractRector
      */
     private function processSplitLimitArgument(\PhpParser\Node\Expr\FuncCall $funcCall, string $functionName) : void
     {
-        if (!\str_starts_with($functionName, 'split')) {
+        if (\strncmp($functionName, 'split', \strlen('split')) !== 0) {
             return;
         }
         // 3rd argument - $limit, 0 → 1
diff --git a/rules/PhpSpecToPHPUnit/Naming/PhpSpecRenaming.php b/rules/PhpSpecToPHPUnit/Naming/PhpSpecRenaming.php
index 27748a29cd0..54d994cc881 100644
--- a/rules/PhpSpecToPHPUnit/Naming/PhpSpecRenaming.php
+++ b/rules/PhpSpecToPHPUnit/Naming/PhpSpecRenaming.php
@@ -50,7 +50,7 @@ final class PhpSpecRenaming
         // from PhpSpec to PHPUnit method naming convention
         $classMethodName = $this->stringFormatConverter->underscoreAndHyphenToCamelCase($classMethodName);
         // add "test", so PHPUnit runs the method
-        if (!\str_starts_with($classMethodName, 'test')) {
+        if (\strncmp($classMethodName, 'test', \strlen('test')) !== 0) {
             $classMethodName = 'test' . \ucfirst($classMethodName);
         }
         $classMethod->name = new \PhpParser\Node\Identifier($classMethodName);
diff --git a/rules/Removing/NodeManipulator/ComplexNodeRemover.php b/rules/Removing/NodeManipulator/ComplexNodeRemover.php
index 34257c5449d..b017af8476a 100644
--- a/rules/Removing/NodeManipulator/ComplexNodeRemover.php
+++ b/rules/Removing/NodeManipulator/ComplexNodeRemover.php
@@ -4,7 +4,6 @@ declare (strict_types=1);
 namespace Rector\Removing\NodeManipulator;
 
 use PhpParser\Node;
-use PhpParser\Node\Expr;
 use PhpParser\Node\Expr\Assign;
 use PhpParser\Node\Expr\PropertyFetch;
 use PhpParser\Node\Expr\StaticPropertyFetch;
@@ -95,10 +94,10 @@ final class ComplexNodeRemover
         $this->nodeRemover->removeNode($property);
     }
     /**
-     * @param StaticPropertyFetch|PropertyFetch $expr
      * @param string[] $classMethodNamesToSkip
+     * @param \PhpParser\Node\Expr\StaticPropertyFetch|\PhpParser\Node\Expr\PropertyFetch $expr
      */
-    private function shouldSkipPropertyForClassMethod(\PhpParser\Node\Expr $expr, array $classMethodNamesToSkip) : bool
+    private function shouldSkipPropertyForClassMethod($expr, array $classMethodNamesToSkip) : bool
     {
         $classMethodNode = $expr->getAttribute(\Rector\NodeTypeResolver\Node\AttributeKey::METHOD_NODE);
         if (!$classMethodNode instanceof \PhpParser\Node\Stmt\ClassMethod) {
@@ -108,9 +107,9 @@ final class ComplexNodeRemover
         return \in_array($classMethodName, $classMethodNamesToSkip, \true);
     }
     /**
-     * @param PropertyFetch|StaticPropertyFetch $expr
+     * @param \PhpParser\Node\Expr\PropertyFetch|\PhpParser\Node\Expr\StaticPropertyFetch $expr
      */
-    private function resolveAssign(\PhpParser\Node\Expr $expr) : ?\PhpParser\Node\Expr\Assign
+    private function resolveAssign($expr) : ?\PhpParser\Node\Expr\Assign
     {
         $assign = $expr->getAttribute(\Rector\NodeTypeResolver\Node\AttributeKey::PARENT_NODE);
         while ($assign !== null && !$assign instanceof \PhpParser\Node\Expr\Assign) {
diff --git a/rules/TypeDeclaration/PHPStan/Type/ObjectTypeSpecifier.php b/rules/TypeDeclaration/PHPStan/Type/ObjectTypeSpecifier.php
index a56c9ab74bf..a7c7c1a80ba 100644
--- a/rules/TypeDeclaration/PHPStan/Type/ObjectTypeSpecifier.php
+++ b/rules/TypeDeclaration/PHPStan/Type/ObjectTypeSpecifier.php
@@ -145,7 +145,7 @@ final class ObjectTypeSpecifier
     private function matchPartialNamespaceObjectType(\PHPStan\Type\ObjectType $objectType, \PhpParser\Node\Stmt\UseUse $useUse) : ?\Rector\StaticTypeMapper\ValueObject\Type\ShortenedObjectType
     {
         // partial namespace
-        if (!\str_starts_with($objectType->getClassName(), $useUse->name->getLast() . '\\')) {
+        if (\strncmp($objectType->getClassName(), $useUse->name->getLast() . '\\', \strlen($useUse->name->getLast() . '\\')) !== 0) {
             return null;
         }
         $classNameWithoutLastUsePart = \RectorPrefix20210530\Nette\Utils\Strings::after($objectType->getClassName(), '\\', 1);
diff --git a/rules/TypeDeclaration/PhpDocParser/NonInformativeReturnTagRemover.php b/rules/TypeDeclaration/PhpDocParser/NonInformativeReturnTagRemover.php
index d0af7ed5385..860479119c4 100644
--- a/rules/TypeDeclaration/PhpDocParser/NonInformativeReturnTagRemover.php
+++ b/rules/TypeDeclaration/PhpDocParser/NonInformativeReturnTagRemover.php
@@ -112,7 +112,7 @@ final class NonInformativeReturnTagRemover
         if (!$nullabledReturnTagValueNode instanceof \PHPStan\PhpDocParser\Ast\Type\IdentifierTypeNode) {
             return;
         }
-        if (!\str_ends_with($nullabledReturnType->getClassName(), $nullabledReturnTagValueNode->name)) {
+        if (\substr_compare($nullabledReturnType->getClassName(), $nullabledReturnTagValueNode->name, -\strlen($nullabledReturnTagValueNode->name)) !== 0) {
             return;
         }
         $phpDocInfo->removeByType(\PHPStan\PhpDocParser\Ast\PhpDoc\ReturnTagValueNode::class);
@@ -184,6 +184,6 @@ final class NonInformativeReturnTagRemover
         if ('\\' . $className === $returnTagValueNodeType) {
             return \true;
         }
-        return \str_ends_with($className, '\\' . $returnTagValueNodeType);
+        return \substr_compare($className, '\\' . $returnTagValueNodeType, -\strlen('\\' . $returnTagValueNodeType)) === 0;
     }
 }
diff --git a/rules/TypeDeclaration/Rector/ClassMethod/ReturnTypeFromStrictTypedCallRector.php b/rules/TypeDeclaration/Rector/ClassMethod/ReturnTypeFromStrictTypedCallRector.php
index 318b331a5d8..451f4c3821d 100644
--- a/rules/TypeDeclaration/Rector/ClassMethod/ReturnTypeFromStrictTypedCallRector.php
+++ b/rules/TypeDeclaration/Rector/ClassMethod/ReturnTypeFromStrictTypedCallRector.php
@@ -9,6 +9,7 @@ use PhpParser\Node\Expr\FuncCall;
 use PhpParser\Node\Expr\MethodCall;
 use PhpParser\Node\Expr\StaticCall;
 use PhpParser\Node\FunctionLike;
+use PhpParser\Node\Identifier;
 use PhpParser\Node\Name;
 use PhpParser\Node\Name\FullyQualified;
 use PhpParser\Node\NullableType;
@@ -121,9 +122,9 @@ CODE_SAMPLE
         return $node;
     }
     /**
-     * @param ClassMethod|Function_|Closure $node
+     * @param \PhpParser\Node\Stmt\ClassMethod|\PhpParser\Node\Stmt\Function_|\PhpParser\Node\Expr\Closure $node
      */
-    private function isSkipped(\PhpParser\Node $node) : bool
+    private function isSkipped($node) : bool
     {
         if (!$this->phpVersionProvider->isAtLeastPhpVersion(\Rector\Core\ValueObject\PhpVersionFeature::SCALAR_TYPES)) {
             return \true;
@@ -135,7 +136,7 @@ CODE_SAMPLE
     }
     /**
      * @param Return_[] $returns
-     * @return array<Name|NullableType|UnionType>
+     * @return array<Identifier|Name|NullableType|PhpParserUnionType>
      */
     private function collectStrictReturnTypes(array $returns) : array
     {
@@ -186,9 +187,9 @@ CODE_SAMPLE
         return $this->staticTypeMapper->mapPHPStanTypeToPhpParserNode($returnType);
     }
     /**
-     * @return Name|NullableType|PhpParserUnionType|null
+     * @return \PhpParser\Node\Name|\PhpParser\Node\NullableType|PhpParserUnionType|null
      */
-    private function resolveFuncCallReturnNode(\PhpParser\Node\Expr\FuncCall $funcCall) : ?\PhpParser\Node
+    private function resolveFuncCallReturnNode(\PhpParser\Node\Expr\FuncCall $funcCall)
     {
         $returnType = $this->reflectionTypeResolver->resolveFuncCallReturnType($funcCall);
         if (!$returnType instanceof \PHPStan\Type\Type) {
@@ -197,10 +198,10 @@ CODE_SAMPLE
         return $this->staticTypeMapper->mapPHPStanTypeToPhpParserNode($returnType);
     }
     /**
-     * @param ClassMethod|Function_|Closure $functionLike
-     * @param Name|NullableType|PhpParserUnionType $returnedStrictTypeNode
+     * @param \PhpParser\Node\Identifier|\PhpParser\Node\Name|\PhpParser\Node\NullableType|PhpParserUnionType $returnedStrictTypeNode
+     * @param \PhpParser\Node\Stmt\ClassMethod|\PhpParser\Node\Stmt\Function_|\PhpParser\Node\Expr\Closure $functionLike
      */
-    private function refactorSingleReturnType(\PhpParser\Node\Stmt\Return_ $return, \PhpParser\Node $returnedStrictTypeNode, \PhpParser\Node\FunctionLike $functionLike) : \PhpParser\Node\FunctionLike
+    private function refactorSingleReturnType(\PhpParser\Node\Stmt\Return_ $return, $returnedStrictTypeNode, $functionLike) : \PhpParser\Node\FunctionLike
     {
         $resolvedType = $this->nodeTypeResolver->resolve($return);
         if ($resolvedType instanceof \PHPStan\Type\UnionType) {
diff --git a/rules/TypeDeclaration/TypeInferer/PropertyTypeInferer/ConstructorPropertyTypeInferer.php b/rules/TypeDeclaration/TypeInferer/PropertyTypeInferer/ConstructorPropertyTypeInferer.php
index 86fde71560b..5038afff86b 100644
--- a/rules/TypeDeclaration/TypeInferer/PropertyTypeInferer/ConstructorPropertyTypeInferer.php
+++ b/rules/TypeDeclaration/TypeInferer/PropertyTypeInferer/ConstructorPropertyTypeInferer.php
@@ -180,7 +180,7 @@ final class ConstructorPropertyTypeInferer implements \Rector\TypeDeclaration\Co
             return null;
         }
         // if the FQN has different ending than the original, it was aliased and we need to return the alias
-        if (!\str_ends_with($fullyQualifiedName, '\\' . $originalName->toString())) {
+        if (\substr_compare($fullyQualifiedName, '\\' . $originalName->toString(), -\strlen('\\' . $originalName->toString())) !== 0) {
             $className = $originalName->toString();
             if ($this->reflectionProvider->hasClass($className)) {
                 return new \Rector\StaticTypeMapper\ValueObject\Type\FullyQualifiedObjectType($className);
diff --git a/rules/TypeDeclaration/TypeInferer/PropertyTypeInferer/DoctrineRelationPropertyTypeInferer.php b/rules/TypeDeclaration/TypeInferer/PropertyTypeInferer/DoctrineRelationPropertyTypeInferer.php
index 6650afca085..2fe0691f1e0 100644
--- a/rules/TypeDeclaration/TypeInferer/PropertyTypeInferer/DoctrineRelationPropertyTypeInferer.php
+++ b/rules/TypeDeclaration/TypeInferer/PropertyTypeInferer/DoctrineRelationPropertyTypeInferer.php
@@ -81,7 +81,7 @@ final class DoctrineRelationPropertyTypeInferer implements \Rector\TypeDeclarati
         if ($targetEntity === null) {
             return new \PHPStan\Type\MixedType();
         }
-        if (\str_ends_with($targetEntity, '::class')) {
+        if (\substr_compare($targetEntity, '::class', -\strlen('::class')) === 0) {
             $targetEntity = \RectorPrefix20210530\Nette\Utils\Strings::before($targetEntity, '::class');
         }
         // resolve to FQN
diff --git a/rules/TypeDeclaration/TypeInferer/ReturnTypeInferer/YieldNodesReturnTypeInferer.php b/rules/TypeDeclaration/TypeInferer/ReturnTypeInferer/YieldNodesReturnTypeInferer.php
index 919d344bdb4..e13c7c14850 100644
--- a/rules/TypeDeclaration/TypeInferer/ReturnTypeInferer/YieldNodesReturnTypeInferer.php
+++ b/rules/TypeDeclaration/TypeInferer/ReturnTypeInferer/YieldNodesReturnTypeInferer.php
@@ -91,9 +91,9 @@ final class YieldNodesReturnTypeInferer implements \Rector\TypeDeclaration\Contr
         return $yieldNodes;
     }
     /**
-     * @param Yield_|YieldFrom $yieldExpr
+     * @param \PhpParser\Node\Expr\Yield_|\PhpParser\Node\Expr\YieldFrom $yieldExpr
      */
-    private function resolveYieldValue(\PhpParser\Node\Expr $yieldExpr) : ?\PhpParser\Node\Expr
+    private function resolveYieldValue($yieldExpr) : ?\PhpParser\Node\Expr
     {
         if ($yieldExpr instanceof \PhpParser\Node\Expr\Yield_) {
             return $yieldExpr->value;
diff --git a/src/Application/VersionResolver.php b/src/Application/VersionResolver.php
index 5247a12f73e..0176fc54296 100644
--- a/src/Application/VersionResolver.php
+++ b/src/Application/VersionResolver.php
@@ -16,11 +16,11 @@ final class VersionResolver
     /**
      * @var string
      */
-    public const PACKAGE_VERSION = '223ad8fca8280a298b02dce0226b91269e3b3535';
+    public const PACKAGE_VERSION = 'f7e99868356cf76b167e1010d5f9b3694202596e';
     /**
      * @var string
      */
-    public const RELEASE_DATE = '2021-05-30 09:42:32';
+    public const RELEASE_DATE = '2021-05-30 10:02:38';
     public static function resolvePackageVersion() : string
     {
         $process = new \RectorPrefix20210530\Symfony\Component\Process\Process(['git', 'log', '--pretty="%H"', '-n1', 'HEAD'], __DIR__);
diff --git a/src/Console/Command/ProcessCommand.php b/src/Console/Command/ProcessCommand.php
index 775889dc340..1be7cd2cc04 100644
--- a/src/Console/Command/ProcessCommand.php
+++ b/src/Console/Command/ProcessCommand.php
@@ -180,7 +180,7 @@ final class ProcessCommand extends \RectorPrefix20210530\Symfony\Component\Conso
         foreach ($files as $file) {
             $smartFileInfo = $file->getSmartFileInfo();
             $pathName = $smartFileInfo->getPathname();
-            if (\str_ends_with($pathName, '.php')) {
+            if (\substr_compare($pathName, '.php', -\strlen('.php')) === 0) {
                 $filePaths[] = $pathName;
             }
         }
diff --git a/src/DependencyInjection/CompilerPass/VerifyRectorServiceExistsCompilerPass.php b/src/DependencyInjection/CompilerPass/VerifyRectorServiceExistsCompilerPass.php
index b594448dd00..174e53e603c 100644
--- a/src/DependencyInjection/CompilerPass/VerifyRectorServiceExistsCompilerPass.php
+++ b/src/DependencyInjection/CompilerPass/VerifyRectorServiceExistsCompilerPass.php
@@ -16,7 +16,7 @@ final class VerifyRectorServiceExistsCompilerPass implements \RectorPrefix202105
             if ($class === null) {
                 continue;
             }
-            if (!\str_ends_with($class, 'Rector')) {
+            if (\substr_compare($class, 'Rector', -\strlen('Rector')) !== 0) {
                 continue;
             }
             if (!\is_a($class, \Rector\Core\Contract\Rector\RectorInterface::class, \true)) {
diff --git a/src/FileSystem/PhpFilesFinder.php b/src/FileSystem/PhpFilesFinder.php
index 7b5429d7970..edbc66a0afd 100644
--- a/src/FileSystem/PhpFilesFinder.php
+++ b/src/FileSystem/PhpFilesFinder.php
@@ -35,7 +35,7 @@ final class PhpFilesFinder
         $phpFileInfos = $this->filesFinder->findInDirectoriesAndFiles($paths, $this->configuration->getFileExtensions());
         // filter out non-PHP php files, e.g. blade templates in Laravel
         $phpFileInfos = \array_filter($phpFileInfos, function (\Symplify\SmartFileSystem\SmartFileInfo $smartFileInfo) : bool {
-            return !\str_ends_with($smartFileInfo->getPathname(), '.blade.php');
+            return \substr_compare($smartFileInfo->getPathname(), '.blade.php', -\strlen('.blade.php')) !== 0;
         });
         return $this->cachedFileInfoFilterAndReporter->filterFileInfos($phpFileInfos);
     }
diff --git a/src/NodeManipulator/VariableManipulator.php b/src/NodeManipulator/VariableManipulator.php
index c784f9e4905..2aad2fe0096 100644
--- a/src/NodeManipulator/VariableManipulator.php
+++ b/src/NodeManipulator/VariableManipulator.php
@@ -100,7 +100,7 @@ final class VariableManipulator
     {
         /** @var string $className */
         $className = $variable->getAttribute(\Rector\NodeTypeResolver\Node\AttributeKey::CLASS_NAME);
-        if (!\str_ends_with($className, 'Test')) {
+        if (\substr_compare($className, 'Test', -\strlen('Test')) !== 0) {
             return \false;
         }
         return $this->nodeNameResolver->isName($variable, 'expect*');
diff --git a/src/NonPhpFile/NonPhpFileProcessor.php b/src/NonPhpFile/NonPhpFileProcessor.php
index b5aca2c9db6..9e29614dba4 100644
--- a/src/NonPhpFile/NonPhpFileProcessor.php
+++ b/src/NonPhpFile/NonPhpFileProcessor.php
@@ -37,7 +37,7 @@ final class NonPhpFileProcessor implements \Rector\Core\Contract\Processor\FileP
         $smartFileInfo = $file->getSmartFileInfo();
         // bug in path extension
         foreach ($this->getSupportedFileExtensions() as $supportedFileExtension) {
-            if (\str_ends_with($smartFileInfo->getPathname(), '.' . $supportedFileExtension)) {
+            if (\substr_compare($smartFileInfo->getPathname(), '.' . $supportedFileExtension, -\strlen('.' . $supportedFileExtension)) === 0) {
                 return \true;
             }
         }
diff --git a/src/Php/PhpVersionProvider.php b/src/Php/PhpVersionProvider.php
index 4799537fed8..814ab448864 100644
--- a/src/Php/PhpVersionProvider.php
+++ b/src/Php/PhpVersionProvider.php
@@ -27,9 +27,8 @@ final class PhpVersionProvider
     }
     public function provide() : int
     {
-        /** @var int|null $phpVersionFeatures */
-        $phpVersionFeatures = $this->parameterProvider->provideParameter(\Rector\Core\Configuration\Option::PHP_VERSION_FEATURES);
-        if ($phpVersionFeatures !== null) {
+        $phpVersionFeatures = $this->parameterProvider->provideIntParameter(\Rector\Core\Configuration\Option::PHP_VERSION_FEATURES);
+        if ($phpVersionFeatures > 0) {
             return $phpVersionFeatures;
         }
         // for tests
diff --git a/src/Rector/AbstractRector.php b/src/Rector/AbstractRector.php
index 0b321c9deed..c360a4e09e5 100644
--- a/src/Rector/AbstractRector.php
+++ b/src/Rector/AbstractRector.php
@@ -438,11 +438,11 @@ abstract class AbstractRector extends \PhpParser\NodeVisitorAbstract implements
         $this->nodeRemover->removeNode($node);
     }
     /**
-     * @param Class_|ClassMethod|Function_ $nodeWithStatements
+     * @param \PhpParser\Node\Stmt\Class_|\PhpParser\Node\Stmt\ClassMethod|\PhpParser\Node\Stmt\Function_ $nodeWithStatements
      */
-    protected function removeNodeFromStatements(\PhpParser\Node $nodeWithStatements, \PhpParser\Node $nodeToRemove) : void
+    protected function removeNodeFromStatements($nodeWithStatements, \PhpParser\Node $toBeRemovedNode) : void
     {
-        $this->nodeRemover->removeNodeFromStatements($nodeWithStatements, $nodeToRemove);
+        $this->nodeRemover->removeNodeFromStatements($nodeWithStatements, $toBeRemovedNode);
     }
     /**
      * @param Node[] $nodes
diff --git a/src/Util/StaticRectorStrings.php b/src/Util/StaticRectorStrings.php
index 63983cf1b40..38bd067bff6 100644
--- a/src/Util/StaticRectorStrings.php
+++ b/src/Util/StaticRectorStrings.php
@@ -44,7 +44,7 @@ final class StaticRectorStrings
     public static function removePrefixes(string $value, array $prefixesToRemove) : string
     {
         foreach ($prefixesToRemove as $prefixToRemove) {
-            if (\str_starts_with($value, $prefixToRemove)) {
+            if (\strncmp($value, $prefixToRemove, \strlen($prefixToRemove)) === 0) {
                 $value = \RectorPrefix20210530\Nette\Utils\Strings::substring($value, \RectorPrefix20210530\Nette\Utils\Strings::length($prefixToRemove));
             }
         }
@@ -56,7 +56,7 @@ final class StaticRectorStrings
     public static function removeSuffixes(string $value, array $suffixesToRemove) : string
     {
         foreach ($suffixesToRemove as $suffixToRemove) {
-            if (\str_ends_with($value, $suffixToRemove)) {
+            if (\substr_compare($value, $suffixToRemove, -\strlen($suffixToRemove)) === 0) {
                 $value = \RectorPrefix20210530\Nette\Utils\Strings::substring($value, 0, -\RectorPrefix20210530\Nette\Utils\Strings::length($suffixToRemove));
             }
         }
diff --git a/vendor/autoload.php b/vendor/autoload.php
index a9ffe034950..e604bd0bc28 100644
--- a/vendor/autoload.php
+++ b/vendor/autoload.php
@@ -4,4 +4,4 @@
 
 require_once __DIR__ . '/composer/autoload_real.php';
 
-return ComposerAutoloaderInitb3c3f0bc3b39123d94667d6b15846367::getLoader();
+return ComposerAutoloaderInit97f4f51a084df5e9a8869348edb2e8da::getLoader();
diff --git a/vendor/composer/autoload_classmap.php b/vendor/composer/autoload_classmap.php
index 15b0b4fef1d..504b5e057f9 100644
--- a/vendor/composer/autoload_classmap.php
+++ b/vendor/composer/autoload_classmap.php
@@ -2129,6 +2129,8 @@ return array(
     'Rector\\DowngradePhp80\\Rector\\Class_\\DowngradePropertyPromotionRector' => $baseDir . '/rules/DowngradePhp80/Rector/Class_/DowngradePropertyPromotionRector.php',
     'Rector\\DowngradePhp80\\Rector\\Expression\\DowngradeMatchToSwitchRector' => $baseDir . '/rules/DowngradePhp80/Rector/Expression/DowngradeMatchToSwitchRector.php',
     'Rector\\DowngradePhp80\\Rector\\FuncCall\\DowngradeStrContainsRector' => $baseDir . '/rules/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsRector.php',
+    'Rector\\DowngradePhp80\\Rector\\FuncCall\\DowngradeStrEndsWithRector' => $baseDir . '/rules/DowngradePhp80/Rector/FuncCall/DowngradeStrEndsWithRector.php',
+    'Rector\\DowngradePhp80\\Rector\\FuncCall\\DowngradeStrStartsWithRector' => $baseDir . '/rules/DowngradePhp80/Rector/FuncCall/DowngradeStrStartsWithRector.php',
     'Rector\\DowngradePhp80\\Rector\\FunctionLike\\DowngradeMixedTypeDeclarationRector' => $baseDir . '/rules/DowngradePhp80/Rector/FunctionLike/DowngradeMixedTypeDeclarationRector.php',
     'Rector\\DowngradePhp80\\Rector\\FunctionLike\\DowngradeUnionTypeDeclarationRector' => $baseDir . '/rules/DowngradePhp80/Rector/FunctionLike/DowngradeUnionTypeDeclarationRector.php',
     'Rector\\DowngradePhp80\\Rector\\NullsafeMethodCall\\DowngradeNullsafeToTernaryOperatorRector' => $baseDir . '/rules/DowngradePhp80/Rector/NullsafeMethodCall/DowngradeNullsafeToTernaryOperatorRector.php',
diff --git a/vendor/composer/autoload_real.php b/vendor/composer/autoload_real.php
index d1e18d86e63..0860bd36954 100644
--- a/vendor/composer/autoload_real.php
+++ b/vendor/composer/autoload_real.php
@@ -2,7 +2,7 @@
 
 // autoload_real.php @generated by Composer
 
-class ComposerAutoloaderInitb3c3f0bc3b39123d94667d6b15846367
+class ComposerAutoloaderInit97f4f51a084df5e9a8869348edb2e8da
 {
     private static $loader;
 
@@ -22,15 +22,15 @@ class ComposerAutoloaderInitb3c3f0bc3b39123d94667d6b15846367
             return self::$loader;
         }
 
-        spl_autoload_register(array('ComposerAutoloaderInitb3c3f0bc3b39123d94667d6b15846367', 'loadClassLoader'), true, true);
+        spl_autoload_register(array('ComposerAutoloaderInit97f4f51a084df5e9a8869348edb2e8da', 'loadClassLoader'), true, true);
         self::$loader = $loader = new \Composer\Autoload\ClassLoader(\dirname(\dirname(__FILE__)));
-        spl_autoload_unregister(array('ComposerAutoloaderInitb3c3f0bc3b39123d94667d6b15846367', 'loadClassLoader'));
+        spl_autoload_unregister(array('ComposerAutoloaderInit97f4f51a084df5e9a8869348edb2e8da', 'loadClassLoader'));
 
         $useStaticLoader = PHP_VERSION_ID >= 50600 && !defined('HHVM_VERSION') && (!function_exists('zend_loader_file_encoded') || !zend_loader_file_encoded());
         if ($useStaticLoader) {
             require __DIR__ . '/autoload_static.php';
 
-            call_user_func(\Composer\Autoload\ComposerStaticInitb3c3f0bc3b39123d94667d6b15846367::getInitializer($loader));
+            call_user_func(\Composer\Autoload\ComposerStaticInit97f4f51a084df5e9a8869348edb2e8da::getInitializer($loader));
         } else {
             $classMap = require __DIR__ . '/autoload_classmap.php';
             if ($classMap) {
@@ -42,19 +42,19 @@ class ComposerAutoloaderInitb3c3f0bc3b39123d94667d6b15846367
         $loader->register(true);
 
         if ($useStaticLoader) {
-            $includeFiles = Composer\Autoload\ComposerStaticInitb3c3f0bc3b39123d94667d6b15846367::$files;
+            $includeFiles = Composer\Autoload\ComposerStaticInit97f4f51a084df5e9a8869348edb2e8da::$files;
         } else {
             $includeFiles = require __DIR__ . '/autoload_files.php';
         }
         foreach ($includeFiles as $fileIdentifier => $file) {
-            composerRequireb3c3f0bc3b39123d94667d6b15846367($fileIdentifier, $file);
+            composerRequire97f4f51a084df5e9a8869348edb2e8da($fileIdentifier, $file);
         }
 
         return $loader;
     }
 }
 
-function composerRequireb3c3f0bc3b39123d94667d6b15846367($fileIdentifier, $file)
+function composerRequire97f4f51a084df5e9a8869348edb2e8da($fileIdentifier, $file)
 {
     if (empty($GLOBALS['__composer_autoload_files'][$fileIdentifier])) {
         require $file;
diff --git a/vendor/composer/autoload_static.php b/vendor/composer/autoload_static.php
index 3ca69572d96..c5324c2f610 100644
--- a/vendor/composer/autoload_static.php
+++ b/vendor/composer/autoload_static.php
@@ -4,7 +4,7 @@
 
 namespace Composer\Autoload;
 
-class ComposerStaticInitb3c3f0bc3b39123d94667d6b15846367
+class ComposerStaticInit97f4f51a084df5e9a8869348edb2e8da
 {
     public static $files = array (
         'a4a119a56e50fbb293281d9a48007e0e' => __DIR__ . '/..' . '/symfony/polyfill-php80/bootstrap.php',
@@ -2478,6 +2478,8 @@ class ComposerStaticInitb3c3f0bc3b39123d94667d6b15846367
         'Rector\\DowngradePhp80\\Rector\\Class_\\DowngradePropertyPromotionRector' => __DIR__ . '/../..' . '/rules/DowngradePhp80/Rector/Class_/DowngradePropertyPromotionRector.php',
         'Rector\\DowngradePhp80\\Rector\\Expression\\DowngradeMatchToSwitchRector' => __DIR__ . '/../..' . '/rules/DowngradePhp80/Rector/Expression/DowngradeMatchToSwitchRector.php',
         'Rector\\DowngradePhp80\\Rector\\FuncCall\\DowngradeStrContainsRector' => __DIR__ . '/../..' . '/rules/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsRector.php',
+        'Rector\\DowngradePhp80\\Rector\\FuncCall\\DowngradeStrEndsWithRector' => __DIR__ . '/../..' . '/rules/DowngradePhp80/Rector/FuncCall/DowngradeStrEndsWithRector.php',
+        'Rector\\DowngradePhp80\\Rector\\FuncCall\\DowngradeStrStartsWithRector' => __DIR__ . '/../..' . '/rules/DowngradePhp80/Rector/FuncCall/DowngradeStrStartsWithRector.php',
         'Rector\\DowngradePhp80\\Rector\\FunctionLike\\DowngradeMixedTypeDeclarationRector' => __DIR__ . '/../..' . '/rules/DowngradePhp80/Rector/FunctionLike/DowngradeMixedTypeDeclarationRector.php',
         'Rector\\DowngradePhp80\\Rector\\FunctionLike\\DowngradeUnionTypeDeclarationRector' => __DIR__ . '/../..' . '/rules/DowngradePhp80/Rector/FunctionLike/DowngradeUnionTypeDeclarationRector.php',
         'Rector\\DowngradePhp80\\Rector\\NullsafeMethodCall\\DowngradeNullsafeToTernaryOperatorRector' => __DIR__ . '/../..' . '/rules/DowngradePhp80/Rector/NullsafeMethodCall/DowngradeNullsafeToTernaryOperatorRector.php',
@@ -3824,9 +3826,9 @@ class ComposerStaticInitb3c3f0bc3b39123d94667d6b15846367
     public static function getInitializer(ClassLoader $loader)
     {
         return \Closure::bind(function () use ($loader) {
-            $loader->prefixLengthsPsr4 = ComposerStaticInitb3c3f0bc3b39123d94667d6b15846367::$prefixLengthsPsr4;
-            $loader->prefixDirsPsr4 = ComposerStaticInitb3c3f0bc3b39123d94667d6b15846367::$prefixDirsPsr4;
-            $loader->classMap = ComposerStaticInitb3c3f0bc3b39123d94667d6b15846367::$classMap;
+            $loader->prefixLengthsPsr4 = ComposerStaticInit97f4f51a084df5e9a8869348edb2e8da::$prefixLengthsPsr4;
+            $loader->prefixDirsPsr4 = ComposerStaticInit97f4f51a084df5e9a8869348edb2e8da::$prefixDirsPsr4;
+            $loader->classMap = ComposerStaticInit97f4f51a084df5e9a8869348edb2e8da::$classMap;
 
         }, null, ClassLoader::class);
     }
diff --git a/vendor/scoper-autoload.php b/vendor/scoper-autoload.php
index 8673d139c0a..71cdad8d219 100644
--- a/vendor/scoper-autoload.php
+++ b/vendor/scoper-autoload.php
@@ -21,8 +21,8 @@ if (!class_exists('SomeTestCase', false) && !interface_exists('SomeTestCase', fa
 if (!class_exists('CheckoutEntityFactory', false) && !interface_exists('CheckoutEntityFactory', false) && !trait_exists('CheckoutEntityFactory', false)) {
     spl_autoload_call('RectorPrefix20210530\CheckoutEntityFactory');
 }
-if (!class_exists('ComposerAutoloaderInitb3c3f0bc3b39123d94667d6b15846367', false) && !interface_exists('ComposerAutoloaderInitb3c3f0bc3b39123d94667d6b15846367', false) && !trait_exists('ComposerAutoloaderInitb3c3f0bc3b39123d94667d6b15846367', false)) {
-    spl_autoload_call('RectorPrefix20210530\ComposerAutoloaderInitb3c3f0bc3b39123d94667d6b15846367');
+if (!class_exists('ComposerAutoloaderInit97f4f51a084df5e9a8869348edb2e8da', false) && !interface_exists('ComposerAutoloaderInit97f4f51a084df5e9a8869348edb2e8da', false) && !trait_exists('ComposerAutoloaderInit97f4f51a084df5e9a8869348edb2e8da', false)) {
+    spl_autoload_call('RectorPrefix20210530\ComposerAutoloaderInit97f4f51a084df5e9a8869348edb2e8da');
 }
 if (!class_exists('Doctrine\Inflector\Inflector', false) && !interface_exists('Doctrine\Inflector\Inflector', false) && !trait_exists('Doctrine\Inflector\Inflector', false)) {
     spl_autoload_call('RectorPrefix20210530\Doctrine\Inflector\Inflector');
@@ -3320,9 +3320,9 @@ if (!function_exists('print_node')) {
         return \RectorPrefix20210530\print_node(...func_get_args());
     }
 }
-if (!function_exists('composerRequireb3c3f0bc3b39123d94667d6b15846367')) {
-    function composerRequireb3c3f0bc3b39123d94667d6b15846367() {
-        return \RectorPrefix20210530\composerRequireb3c3f0bc3b39123d94667d6b15846367(...func_get_args());
+if (!function_exists('composerRequire97f4f51a084df5e9a8869348edb2e8da')) {
+    function composerRequire97f4f51a084df5e9a8869348edb2e8da() {
+        return \RectorPrefix20210530\composerRequire97f4f51a084df5e9a8869348edb2e8da(...func_get_args());
     }
 }
 if (!function_exists('parseArgs')) {