Improvements 🔧

• RegexArrayShapeMatcher - more precise subject types (#3897), #12749, thanks @staabm!

Bugfixes 🐛

• Fix narrowing of superglobals (#3901), #12771, #12772, #12776, thanks @herndlm!
• String value passed to Identifier cannot be empty (phpstan/phpstan-src@a3039ef), #12778

Function signature fixes 🤖

• Fix SessionHandlerInterface::read return type (#3884), #12748, thanks @sayuprc!

Bugfixes 🐛

• Fix condition of fall-through case not used for exhaustive checks (#3900), #11064, #3488, #8719, #12722, thanks @rvanvelzen!
• Fix calling getVariableType without checking hasVariableType first (phpstan/phpstan-src@72d2f3b), #12767

Improvements 🔧

• This release includes fixes and improvements from PHPStan 1.12.22
• Collected data: reduce memory consumption & result cache size (#3879), thanks @janedbal!
• Detect accessing static property as non static (#3857), #12692, thanks @jnoordsij!
• Infer types of variables with dynamic name (phpstan/phpstan-src@7d4dcb5, phpstan/phpstan-src@0df0c6f), #12398
• Infer types of property fetch with dynamic name (phpstan/phpstan-src@8bb0670)
• Infer types of StaticCall with dynamic name (phpstan/phpstan-src@51a867f)
• Infer types of MethodCall with dynamic name (phpstan/phpstan-src@244093e)
• Infer types of StaticPropertyFetch with a dynamic name (phpstan/phpstan-src@2fe4e0f)
• Support dynamic Expr name expressions in rules (#3886), thanks @zonuexe!
• Improve count() narrowing of constant arrays (#3709), #12190, #3631, thanks @herndlm!
• Support narrowing a constant array to a list with count (#3878), thanks @staabm!
• Treat #[Pure(true)] in PhpStorm stubs as hasSideEffects => true (#3880), #6345, #12577, #10342, thanks @zonuexe!
• excludePaths: include example for optional path (#3883), thanks @thePanz!
• Narrow type on setting offsets of properties (#3699), #6398, #6571, #12565, thanks @herndlm!

Bugfixes 🐛

• Fix false positives on non-existing array offsets (#3766), #8649, thanks @staabm!
  • Also: #3868, #11020, thanks @staabm!
• Fix false positives on existing offsets after assign (#3874), #12406, #11679, thanks @staabm!
• Fix false positives on non-existing offsets of superglobals (#3871), #11447, thanks @staabm!
• Fix count() regression (#3895), thanks @staabm!
• Remove count() narrowing handling of empty array (#3896), thanks @herndlm!
• Avoid falsely specifying never types via count() (#3898), thanks @herndlm!
• Constant array with negative keys cannot be a list (#3870), #12708, thanks @watasuke102!
• Do not report constructor unused parameter if implemented interface has a constructor (#3777), #11454, thanks @carlos-granados!
• Fix JSON error formatter when files are empty (#3798), thanks @shyim!
• Fix readonly property assign with ArrayAccess offset (#3817), #8929, #12537, thanks @herndlm!

Internals 🔍

• RuleTestCase: set shouldPolluteScopeWithLoopInitialAssignments to true which is PHPStan's default behaviour (phpstan/phpstan-src@1b56b0c)
• ResultCache: allow customization of params not invalidating cache (#3877), thanks @janedbal!
• RegexArrayShapeMatcher - turn more details immutable (#3892), thanks @staabm!

Fix condition of fall-through case not used for exhaustive checks (#3900), #11064, #3488, #8719, #12722, thanks @rvanvelzen!

Improvements 🔧

• More precise implode() return type (#3774), thanks @staabm!

Bugfixes 🐛

• ArrayType - setting new offset with [] on array with constant-integer offset will add one to the offset (phpstan/phpstan-src@fe595cb), #9328, #9850, #10650
• Optimize scalar values in oversized constant arrays (phpstan/phpstan-src@791e708), #12671
• StaticPropertyFetch is an impure point (phpstan/phpstan-src@4111d0f)

Improvements 🔧

• @readonly property cannot be passed by-ref (#3850), #12676, thanks @staabm!
• ClassReflection - cannot be a subclass of final-overriden class (phpstan/phpstan-src@ed4ea0a)
• Deprecated ClassReflection::isSubclassOf(string $className) in favour of ClassReflection::isSubclassOfClass(ClassReflection $class)
  • If you just have string $className instead of ClassReflection and you are too lazy to get ClassReflection via ReflectionProvider, you can still use ClassReflection::is(string $className)

Bugfixes 🐛

• This release includes fixes from PHPStan 1.12.21
• Cannot override being final for abstract classes (phpstan/phpstan-src@9bb2ed5)
• Fix unsetting array item triggering unset.possiblyHookedProperty (#3855), #12695, thanks @staabm!
• UnusedPrivatePropertyRule - handle virtual properties that can only be read or only written (phpstan/phpstan-src@da73771, phpstan/phpstan-src@12185ab), #12702
• Faster analysis with a big const array in a class (#3862), #12159, thanks @staabm!

Internals 🔍

• Fix typo false-positive (#3856), thanks @staabm!
• Reduce method calls in ExpressionTypeHolder (#3859), thanks @staabm!
• Faster TrinaryLogic::and() (#3860), thanks @staabm!
• Faster MutatingScope::mergeWith() (#3861), thanks @staabm!
• Added regression test (#3863), thanks @staabm!

Bugfixes 🐛

• Correctly infer template type from various callables (phpstan/phpstan-src@5920c98), #12691
• Fix accepting generic callable in CallableType and ClosureType (phpstan/phpstan-src@0e10531), #12691, #6828, #11942, #11861, #6828, #9167
• Fix generalizing constant arrays when the array is getting smaller (phpstan/phpstan-src@8734057), #12658, #8030

Function signature fixes 🤖

• Fix MongoCollection::findOne() return type (#3854), thanks @aivchen!

Improvements 🔧

• Introduce IgnoreErrorExtension (#3783), thanks @ruudk!
  • Learn more: https://phpstan.org/developing-extensions/ignore-error-extensions
• Understand that new Foo() cannot be a subclass (#3853)
• Object type narrowed after $a::class and get_class($a) cannot be a subclass (phpstan/phpstan-src@772f297)
• Teamcity - show rule identifier when verbose output is set (#3804), thanks @kamil-zacek!
• Class constants cannot be directly accessed on a trait (phpstan/phpstan-src@d56d084)
• Hooked properties cannot be both final and private (#3830), #12336, thanks @staabm!
• Hooked properties cannot be both abstract and private (#3839), #12336, thanks @staabm!
• Implement FinalPrivateConstantRule (#3838), thanks @staabm!
• Readonly properties cannot be unset() (#3827), #12421, thanks @staabm!
• Hooked properties cannot be unset() (#3842), #12336, thanks @staabm!
• Handle BcMath\Number overloaded operators (#3787), #12099, thanks @schlndh!
• TypeNodeResolver - check for existing Integer class before resolving to int (#3848), #12660, thanks @stepo2!

Bugfixes 🐛

• This release includes fixes from PHPStan 1.12.20
• Fix ClassLike::$namespacedName must not be accessed before initialization (phpstan/phpstan-src@948f79d), #12627
• Fix referencing %env% in includes (phpstan/phpstan-src@d4d7e11), #12606
• Property can be written in get hook (phpstan/phpstan-src@8de182d), #12621
• Fix scope in enum match arm body (#3786), #12422, thanks @dmytro-dymarchuk!
• Fix integer range pow issues (#3787), #7937, #8555, thanks @schlndh!
• Fix GetNonVirtualPropertyHookReadRule on abstract property (#3845), thanks @staabm!
• VarTagTypeRuleHelper - remove namespace and uses from NameScope (phpstan/phpstan-src@189a4cc)

Function signature fixes 🤖

• Change return type of ResourceBundle::getLocales (#3840), #12579, thanks @mat-se!
• Make precise scandir() argument and return type (#3808), thanks @zonuexe!
• More precise return type for mysqli_fetch_all() (#3778), thanks @oxan!

Internals 🔍

• StrlenFunctionReturnTypeExtension: Cleanup instanceof ConstantString (#3780), thanks @staabm!
• Adjust and make space for tests for new behaviour of new (#3852)

Bugfixes 🐛

• Recreate @var PHPDoc type from Type::toPhpDocNode() before reporting it as wrong (#3797), #12458, #11015, #10861, #11535, thanks @VincentLanglet!

Internals 🔍

• FileTypeMapper::getNameScope() (phpstan/phpstan-src@bca8902)
• MissingTypehintCheck: reduce duplicate work (#3843), thanks @staabm!

Improvements 🔧

• This release includes improvements from PHPStan 1.12.19
• PHP 8.4: Overriding property - when overriding readable property, the property has to be readable (same for writable) (phpstan/phpstan-src@924a7a2)
• ClassReflection - hasProperty cache (phpstan/phpstan-src@73d7b88)
• Updated phpdoc-parser
  • Allow multiple new lines in union and intersection declaration (phpstan/phpdoc-parser#265), thanks @DaDeather!
  • TypeParser - support comments at EOL with // (phpstan/phpdoc-parser#264), phpstan/phpdoc-parser#184, thanks @shmax!

Bugfixes 🐛

• Do not report constructor unused parameter if class is an Attribute class (#3776), #7165, thanks @carlos-granados!

Internals 🔍

• Test for set-hooked property being overriden by readonly property (phpstan/phpstan-src@d3909c7)