wn_
339 lines
20 KiB
Markdown
339 lines
20 KiB
Markdown
Upgrading from PHPStan 1.x to 2.0
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=================================
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## PHP version requirements
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PHPStan now requires PHP 7.4 or newer to run.
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## Upgrading guide for end users
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The best way to get ready for upgrade to PHPStan 2.0 is to update to the **latest PHPStan 1.12 release**
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and enable [**Bleeding Edge**](https://phpstan.org/blog/what-is-bleeding-edge). This will enable the new rules and behaviours that 2.0 turns on for all users.
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Also make sure to install and enable [`phpstan/phpstan-deprecation-rules`](https://github.com/phpstan/phpstan-deprecation-rules).
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Once you get to a green build with no deprecations showed on latest PHPStan 1.12.x with Bleeding Edge enabled, you can update all your related PHPStan dependencies to 2.0 in `composer.json`:
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```json
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"require-dev": {
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"phpstan/phpstan": "^2.0",
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"phpstan/phpstan-deprecation-rules": "^2.0",
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"phpstan/phpstan-doctrine": "^2.0",
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"phpstan/phpstan-nette": "^2.0",
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"phpstan/phpstan-phpunit": "^2.0",
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"phpstan/phpstan-strict-rules": "^2.0",
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"phpstan/phpstan-symfony": "^2.0",
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"phpstan/phpstan-webmozart-assert": "^2.0",
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...
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}
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```
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Don't forget to update [3rd party PHPStan extensions](https://phpstan.org/user-guide/extension-library) as well.
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After changing your `composer.json`, run `composer update 'phpstan/*' -W`.
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It's up to you whether you go through the new reported errors or if you just put them all to the [baseline](https://phpstan.org/user-guide/baseline) ;) Everyone who's on PHPStan 1.12 should be able to upgrade to PHPStan 2.0.
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### Noteworthy changes to code analysis
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* [**Enhancements in handling parameters passed by reference**](https://phpstan.org/blog/enhancements-in-handling-parameters-passed-by-reference)
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* [**Validate inline PHPDoc `@var` tag type**](https://phpstan.org/blog/phpstan-1-10-comes-with-lie-detector#validate-inline-phpdoc-%40var-tag-type)
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* [**List type enforced**](https://phpstan.org/blog/phpstan-1-9-0-with-phpdoc-asserts-list-type#list-type)
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* **Always `true` conditions always reported**: previously reported only with phpstan-strict-rules, this is now always reported.
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### Removed option `checkMissingIterableValueType`
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It's strongly recommended to add the missing array typehints.
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If you want to continue ignoring missing typehints from arrays, add `missingType.iterableValue` error identifier to your `ignoreErrors`:
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```neon
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parameters:
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ignoreErrors:
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-
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identifier: missingType.iterableValue
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```
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### Removed option `checkGenericClassInNonGenericObjectType`
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It's strongly recommended to add the missing generic typehints.
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If you want to continue ignoring missing typehints from generics, add `missingType.generics` error identifier to your `ignoreErrors`:
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```neon
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parameters:
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ignoreErrors:
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-
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identifier: missingType.generics
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```
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### Removed `checkAlwaysTrue*` options
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These options have been removed because PHPStan now always behaves as if these were set to `true`:
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* `checkAlwaysTrueCheckTypeFunctionCall`
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* `checkAlwaysTrueInstanceof`
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* `checkAlwaysTrueStrictComparison`
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* `checkAlwaysTrueLooseComparison`
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### Removed option `excludes_analyse`
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It has been replaced with [`excludePaths`](https://phpstan.org/user-guide/ignoring-errors#excluding-whole-files).
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### Paths in `excludePaths` and `ignoreErrors` have to be a valid file path or a fnmatch pattern
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If you are excluding a file path that might not exist but you still want to have it in `excludePaths`, append `(?)`:
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```neon
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parameters:
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excludePaths:
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- tests/*/data/*
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- src/broken
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- node_modules (?) # optional path, might not exist
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```
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If you have the same situation in `ignoreErrors` (ignoring an error in a path that might not exist), use `reportUnmatchedIgnoredErrors: false`.
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```neon
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parameters:
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reportUnmatchedIgnoredErrors: false
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```
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Appending `(?)` in `ignoreErrors` is not supported.
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### Changes in 1st party PHPStan extensions
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* [phpstan-doctrine](https://github.com/phpstan/phpstan-doctrine)
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* Removed config parameter `searchOtherMethodsForQueryBuilderBeginning` (extension now behaves as when this was set to `true`)
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* Removed config parameter `queryBuilderFastAlgorithm` (extension now behaves as when this was set to `false`)
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* [phpstan-symfony](https://github.com/phpstan/phpstan-symfony)
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* Removed legacy options with `_` in the name
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* `container_xml_path` -> use `containerXmlPath`
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* `constant_hassers` -> use `constantHassers`
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* `console_application_loader` -> use `consoleApplicationLoader`
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### Minor backward compatibility breaks
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* Removed unused config parameter `cache.nodesByFileCountMax`
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* Removed unused config parameter `memoryLimitFile`
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* Removed unused feature toggle `disableRuntimeReflectionProvider`
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* Removed unused config parameter `staticReflectionClassNamePatterns`
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* Remove `fixerTmpDir` config parameter, use `pro.tmpDir` instead
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* Remove `tempResultCachePath` config parameter, use `resultCachePath` instead
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* `additionalConfigFiles` config parameter must be a list
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## Upgrading guide for extension developers
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> [!NOTE]
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> Please switch to PHPStan 2.0 in a new major version of your extension. It's not feasible to try to support both PHPStan 1.x and PHPStan 2.x with the same extension code.
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>
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> You can definitely get closer to supporting PHPStan 2.0 without increasing major version by solving reported deprecations and other issues by analysing your extension code with PHPStan & phpstan-deprecation-rules & Bleeding Edge, but the final leap and solving backward incompatibilities should be done by requiring `"phpstan/phpstan": "^2.0"` in your `composer.json`, and releasing a new major version.
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### PHPStan now uses nikic/php-parser v5
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See [UPGRADING](https://github.com/nikic/PHP-Parser/blob/master/UPGRADE-5.0.md) guide for PHP-Parser.
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The most notable change is how `throw` statement is represented. Previously, `throw` statements like `throw $e;` were represented using the `Stmt\Throw_` class, while uses inside other expressions (such as `$x ?? throw $e`) used the `Expr\Throw_` class.
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Now, `throw $e;` is represented as a `Stmt\Expression` that contains an `Expr\Throw_`. The
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`Stmt\Throw_` class has been removed.
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### PHPStan now uses phpstan/phpdoc-parser v2
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See [UPGRADING](https://github.com/phpstan/phpdoc-parser/blob/2.0.x/UPGRADING.md) guide for phpstan/phpdoc-parser.
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### Returning plain strings as errors no longer supported, use RuleErrorBuilder
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Identifiers are also required in custom rules.
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Learn more: [Using RuleErrorBuilder to enrich reported errors in custom rules](https://phpstan.org/blog/using-rule-error-builder)
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**Before**:
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```php
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return ['My error'];
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```
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**After**:
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```php
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return [
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RuleErrorBuilder::message('My error')
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->identifier('my.error')
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->build(),
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];
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```
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### Deprecate various `instanceof *Type` in favour of new methods on `Type` interface
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Learn more: [Why Is instanceof *Type Wrong and Getting Deprecated?](https://phpstan.org/blog/why-is-instanceof-type-wrong-and-getting-deprecated)
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### Removed deprecated `ParametersAcceptorSelector::selectSingle()`
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Use [`ParametersAcceptorSelector::selectFromArgs()`](https://apiref.phpstan.org/2.0.x/PHPStan.Reflection.ParametersAcceptorSelector.html#_selectFromArgs) instead. It should be used in most places where `selectSingle()` was previously used, like dynamic return type extensions.
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**Before**:
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```php
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$defaultReturnType = ParametersAcceptorSelector::selectSingle($functionReflection->getVariants())->getReturnType();
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```
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**After**:
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```php
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$defaultReturnType = ParametersAcceptorSelector::selectFromArgs(
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$scope,
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$functionCall->getArgs(),
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$functionReflection->getVariants()
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)->getReturnType();
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```
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If you're analysing function or method body itself and you're using one of the following methods, ask for `getParameters()` and `getReturnType()` directly on the reflection object:
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* [InClassMethodNode::getMethodReflection()](https://apiref.phpstan.org/2.0.x/PHPStan.Node.InClassMethodNode.html)
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* [InFunctionNode::getFunctionReflection()](https://apiref.phpstan.org/2.0.x/PHPStan.Node.InFunctionNode.html)
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* [FunctionReturnStatementsNode::getFunctionReflection()](https://apiref.phpstan.org/2.0.x/PHPStan.Node.FunctionReturnStatementsNode.html)
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* [MethodReturnStatementsNode::getMethodReflection()](https://apiref.phpstan.org/2.0.x/PHPStan.Node.MethodReturnStatementsNode.html)
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* [Scope::getFunction()](https://apiref.phpstan.org/2.0.x/PHPStan.Analyser.Scope.html#_getFunction)
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**Before**:
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```php
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$function = $node->getFunctionReflection();
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$returnType = ParametersAcceptorSelector::selectSingle($function->getVariants())->getReturnType();
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```
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**After**:
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```php
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$returnType = $node->getFunctionReflection()->getReturnType();
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```
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### Changed `TypeSpecifier::create()` and `SpecifiedTypes` constructor parameters
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[`PHPStan\Analyser\TypeSpecifier::create()`](https://apiref.phpstan.org/2.0.x/PHPStan.Analyser.TypeSpecifier.html#_create) now accepts (all parameters are required):
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* `Expr $expr`
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* `Type $type`
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* `TypeSpecifierContext $context`
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* `Scope $scope`
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If you want to change `$overwrite` or `$rootExpr` (previous parameters also used to be accepted by this method), call `setAlwaysOverwriteTypes()` and `setRootExpr()` on [`SpecifiedTypes`](https://apiref.phpstan.org/2.0.x/PHPStan.Analyser.SpecifiedTypes.html) (object returned by `TypeSpecifier::create()`). These methods return a new object (SpecifiedTypes is immutable).
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[`SpecifiedTypes`](https://apiref.phpstan.org/2.0.x/PHPStan.Analyser.SpecifiedTypes.html) constructor now accepts:
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* `array $sureTypes`
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* `array $sureNotTypes`
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If you want to change `$overwrite` or `$rootExpr` (previous parameters also used to be accepted by the constructor), call `setAlwaysOverwriteTypes()` and `setRootExpr()`. These methods return a new object (SpecifiedTypes is immutable).
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### `ConstantArrayType` no longer extends `ArrayType`
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`Type::getArrays()` now returns `list<ArrayType|ConstantArrayType>`.
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Using `$type instanceof ArrayType` is [being deprecated anyway](https://phpstan.org/blog/why-is-instanceof-type-wrong-and-getting-deprecated) so the impact of this change should be minimal.
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### Changed `TypeSpecifier::specifyTypesInCondition()`
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This method no longer accepts `Expr $rootExpr`. If you want to change it, call `setRootExpr()` on [`SpecifiedTypes`](https://apiref.phpstan.org/2.0.x/PHPStan.Analyser.SpecifiedTypes.html) (object returned by `TypeSpecifier::specifyTypesInCondition()`). `setRootExpr()` method returns a new object (SpecifiedTypes is immutable).
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### Node attributes `parent`, `previous`, `next` are no longer available
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Learn more: https://phpstan.org/blog/preprocessing-ast-for-custom-rules
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### Removed config parameter `scopeClass`
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As a replacement you can implement [`PHPStan\Type\ExpressionTypeResolverExtension`](https://apiref.phpstan.org/2.0.x/PHPStan.Type.ExpressionTypeResolverExtension.html) interface instead and register it as a service.
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### Removed `PHPStan\Broker\Broker`
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Use [`PHPStan\Reflection\ReflectionProvider`](https://apiref.phpstan.org/2.0.x/PHPStan.Reflection.ReflectionProvider.html) instead.
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`BrokerAwareExtension` was also removed. Ask for `ReflectionProvider` in the extension constructor instead.
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Instead of `PHPStanTestCase::createBroker()`, call `PHPStanTestCase::createReflectionProvider()`.
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### List type is enabled for everyone
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Removed static methods from `AccessoryArrayListType` class:
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* `isListTypeEnabled()`
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* `setListTypeEnabled()`
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* `intersectWith()`
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Instead of `AccessoryArrayListType::intersectWith($type)`, do `TypeCombinator::intersect($type, new AccessoryArrayListType())`.
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### Minor backward compatibility breaks
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* Classes that were previously `@final` were made `final`
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* Parameter `$callableParameters` of [`MutatingScope::enterAnonymousFunction()`](https://apiref.phpstan.org/2.0.x/PHPStan.Analyser.MutatingScope.html#_enterAnonymousFunction) and [`enterArrowFunction()`](https://apiref.phpstan.org/2.0.x/PHPStan.Analyser.MutatingScope.html#_enterArrowFunction) made required
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* Parameter `StatementContext $context` of [`NodeScopeResolver::processStmtNodes()`](https://apiref.phpstan.org/2.0.x/PHPStan.Analyser.NodeScopeResolver.html#_processStmtNodes) made required
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* ClassPropertiesNode - remove `$extensions` parameter from [`getUninitializedProperties()`](https://apiref.phpstan.org/2.0.x/PHPStan.Node.ClassPropertiesNode.html#_getUninitializedProperties)
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* `Type::getSmallerType()`, `Type::getSmallerOrEqualType()`, `Type::getGreaterType()`, `Type::getGreaterOrEqualType()`, `Type::isSmallerThan()`, `Type::isSmallerThanOrEqual()` now require [`PhpVersion`](https://apiref.phpstan.org/2.0.x/PHPStan.Php.PhpVersion.html) as argument.
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* `CompoundType::isGreaterThan()`, `CompoundType::isGreaterThanOrEqual()` now require [`PhpVersion`](https://apiref.phpstan.org/2.0.x/PHPStan.Php.PhpVersion.html) as argument.
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* Removed `ReflectionProvider::supportsAnonymousClasses()` (all reflection providers support anonymous classes)
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* Remove `ArrayType::generalizeKeys()`
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* Remove `ArrayType::count()`, use `Type::getArraySize()` instead
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* Remove `ArrayType::castToArrayKeyType()`, `Type::toArrayKey()` instead
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* Remove `UnionType::pickTypes()`, use `pickFromTypes()` instead
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* Remove `RegexArrayShapeMatcher::matchType()`, use `matchExpr()` instead
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* Remove unused `PHPStanTestCase::$useStaticReflectionProvider`
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* Remove `PHPStanTestCase::getReflectors()`, use `getReflector()` instead
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* Remove `ClassReflection::getFileNameWithPhpDocs()`, use `getFileName()` instead
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* Remove `AnalysisResult::getInternalErrors()`, use `getInternalErrorObjects()` instead
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* Remove `ConstantReflection::getValue()`, use `getValueExpr()` instead. To get `Type` from `Expr`, use `Scope::getType()` or `InitializerExprTypeResolver::getType()`
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* Remove `PropertyTag::getType()`, use `getReadableType()` / `getWritableType()` instead
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* Remove `GenericTypeVariableResolver`, use [`Type::getTemplateType()`](https://apiref.phpstan.org/2.0.x/PHPStan.Type.Type.html#_getTemplateType) instead
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* Rename `Type::isClassStringType()` to `Type::isClassString()`
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* Remove `Scope::isSpecified()`, use `hasExpressionType()` instead
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* Remove `ConstantArrayType::isEmpty()`, use `isIterableAtLeastOnce()->no()` instead
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* Remove `ConstantArrayType::getNextAutoIndex()`
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* Removed methods from `ConstantArrayType` - `getFirst*Type` and `getLast*Type`
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* Use `getFirstIterable*Type` and `getLastIterable*Type` instead
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* Remove `ConstantArrayType::generalizeToArray()`
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* Remove `ConstantArrayType::findTypeAndMethodName()`, use `findTypeAndMethodNames()` instead
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* Remove `ConstantArrayType::removeLast()`, use [`Type::popArray()`](https://apiref.phpstan.org/2.0.x/PHPStan.Type.Type.html#_popArray) instead
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* Remove `ConstantArrayType::removeFirst()`, use [`Type::shiftArray()`](https://apiref.phpstan.org/2.0.x/PHPStan.Type.Type.html#_shiftArray) instead
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* Remove `ConstantArrayType::reverse()`, use [`Type::reverseArray()`](https://apiref.phpstan.org/2.0.x/PHPStan.Type.Type.html#_reverseArray) instead
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* Remove `ConstantArrayType::chunk()`, use [`Type::chunkArray()`](https://apiref.phpstan.org/2.0.x/PHPStan.Type.Type.html#_chunkArray) instead
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* Remove `ConstantArrayType::slice()`, use [`Type::sliceArray()`](https://apiref.phpstan.org/2.0.x/PHPStan.Type.Type.html#_sliceArray) instead
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* Made `TypeUtils` thinner by removing methods:
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* Remove `TypeUtils::getArrays()` and `getAnyArrays()`, use [`Type::getArrays()`](https://apiref.phpstan.org/2.0.x/PHPStan.Type.Type.html#_getArrays) instead
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* Remove `TypeUtils::getConstantArrays()` and `getOldConstantArrays()`, use [`Type::getConstantArrays()`](https://apiref.phpstan.org/2.0.x/PHPStan.Type.Type.html#_getConstantArrays) instead
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* Remove `TypeUtils::getConstantStrings()`, use [`Type::getConstantStrings()`](https://apiref.phpstan.org/2.0.x/PHPStan.Type.Type.html#_getConstantStrings) instead
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* Remove `TypeUtils::getConstantTypes()` and `getAnyConstantTypes()`, use [`Type::isConstantValue()`](https://apiref.phpstan.org/2.0.x/PHPStan.Type.Type.html#_isConstantValue) or [`Type::generalize()`](https://apiref.phpstan.org/2.0.x/PHPStan.Type.Type.html#_generalize)
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* Remove `TypeUtils::generalizeType()`, use [`Type::generalize()`](https://apiref.phpstan.org/2.0.x/PHPStan.Type.Type.html#_generalize) instead
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* Remove `TypeUtils::getDirectClassNames()`, use [`Type::getObjectClassNames()`](https://apiref.phpstan.org/2.0.x/PHPStan.Type.Type.html#_getObjectClassNames) instead
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* Remove `TypeUtils::getConstantScalars()`, use [`Type::isConstantScalarValue()`](https://apiref.phpstan.org/2.0.x/PHPStan.Type.Type.html#_isConstantScalarValue) or [`Type::getConstantScalarTypes()`](https://apiref.phpstan.org/2.0.x/PHPStan.Type.Type.html#_getConstantScalarTypes) instead
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* Remove `TypeUtils::getEnumCaseObjects()`, use [`Type::getEnumCases()`](https://apiref.phpstan.org/2.0.x/PHPStan.Type.Type.html#_getEnumCases) instead
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* Remove `TypeUtils::containsCallable()`, use [`Type::isCallable()`](https://apiref.phpstan.org/2.0.x/PHPStan.Type.Type.html#_isCallable) instead
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* Removed `Scope::doNotTreatPhpDocTypesAsCertain()`, use `getNativeType()` instead
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* Parameter `$isList` in `ConstantArrayType` constructor can only be `TrinaryLogic`, no longer `bool`
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* Parameter `$nextAutoIndexes` in `ConstantArrayType` constructor can only be `non-empty-list<int>`, no longer `int`
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* Remove `ConstantType` interface, use [`Type::isConstantValue()`](https://apiref.phpstan.org/2.0.x/PHPStan.Type.Type.html#_isConstantValue) instead
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* `acceptsNamedArguments()` in `FunctionReflection`, `ExtendedMethodReflection` and `CallableParametersAcceptor` interfaces returns `TrinaryLogic` instead of `bool`
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* Remove `FunctionReflection::isFinal()`
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* [`Type::getProperty()`](https://apiref.phpstan.org/2.0.x/PHPStan.Type.Type.html#_getProperty) now returns [`ExtendedPropertyReflection`](https://apiref.phpstan.org/2.0.x/PHPStan.Reflection.ExtendedPropertyReflection.html)
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* Remove `__set_state()` on objects that should not be serialized in cache
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* Parameter `$selfClass` of [`TypehintHelper::decideTypeFromReflection()`](https://apiref.phpstan.org/2.0.x/PHPStan.Type.TypehintHelper.html#_decideTypeFromReflection) no longer accepts `string`
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* `LevelsTestCase::dataTopics()` data provider made static
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* `PHPStan\Node\Printer\Printer` no longer autowired as `PhpParser\PrettyPrinter\Standard`, use `PHPStan\Node\Printer\Printer` in the typehint
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* Remove `Type::acceptsWithReason()`, `Type:accepts()` return type changed from `TrinaryLogic` to [`AcceptsResult`](https://apiref.phpstan.org/2.0.x/PHPStan.Type.AcceptsResult.html)
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* Remove `CompoundType::isAcceptedWithReasonBy()`, `CompoundType::isAcceptedBy()` return type changed from `TrinaryLogic` to [`AcceptsResult`](https://apiref.phpstan.org/2.0.x/PHPStan.Type.AcceptsResult.html)
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Remove `Type::isSuperTypeOfWithReason()`, `Type:isSuperTypeOf()` return type changed from `TrinaryLogic` to [`IsSuperTypeOfResult`](https://apiref.phpstan.org/2.0.x/PHPStan.Type.IsSuperTypeOfResult.html)
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* Remove `CompoundType::isSubTypeOfWithReasonBy()`, `CompoundType::isSubTypeOf()` return type changed from `TrinaryLogic` to [`IsSuperTypeOfResult`](https://apiref.phpstan.org/2.0.x/PHPStan.Type.IsSuperTypeOfResult.html)
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* Remove `TemplateType::isValidVarianceWithReason()`, changed `TemplateType::isValidVariance()` return type to [`IsSuperTypeOfResult`](https://apiref.phpstan.org/2.0.x/PHPStan.Type.IsSuperTypeOfResult.html)
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* `RuleLevelHelper::accepts()` return type changed from `bool` to [`RuleLevelHelperAcceptsResult`](https://apiref.phpstan.org/2.0.x/PHPStan.Type.AcceptsResult.html)
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* Changes around `ClassConstantReflection`
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* Class `ClassConstantReflection` removed from BC promise, renamed to `RealClassConstantReflection`
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* Interface `ConstantReflection` renamed to `ClassConstantReflection`
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* Added more methods around PHPDoc types and native types to the (new) `ClassConstantReflection`
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* Interface `GlobalConstantReflection` renamed to `ConstantReflection`
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* Renamed interfaces and classes from `*WithPhpDocs` to `Extended*`
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* `ParametersAcceptorWithPhpDocs` -> `ExtendedParametersAcceptor`
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* `ParameterReflectionWithPhpDocs` -> `ExtendedParameterReflection`
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* `FunctionVariantWithPhpDocs` -> `ExtendedFunctionVariant`
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* `ClassPropertyNode::getNativeType()` return type changed from AST node to `Type|null`
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* Class `PHPStan\Node\ClassMethod` (accessible from `ClassMethodsNode`) is no longer an AST node
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* Call `PHPStan\Node\ClassMethod::getNode()` to access the original AST node
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