Sourced from phpstan/phpstan's releases.

1.8.3

This release fixes 76 issues! :tada:

Improvements 🔧

• Added non-falsy-string (truthy-string) type (#1542, #1660, #1661, #1662), #5317, #5370, #7199, thanks @​staabm!
• New configuration option: checkImplicitMixed (#1645), thanks @​MartinMystikJonas!
• Support constant string-unions in substr() (#1532), #7663, thanks @​staabm!
• Tagged unions preparation (#1548), #5232, #7511, #7224, #6997, #6556, #6181, #5743, #4708, #3821, #2911, #7156, #6728, #6364, #5758
• Tagged unions (#1547), #6469, #3801, #6599
• Added error message to impossible instanceof rule to warn when comparing a trait (#1570), thanks @​mad-briller!
• Implement ltrim() return type extension to support class-string (#1597), #7483, thanks @​staabm!
• Improve type inference from conditional return type (#1604), thanks @​rvanvelzen!
• Optimization: ArrayType::setOffsetValueType() - generalize key + item type if it goes over a threshold (phpstan/phpstan-src@24aee60, phpstan/phpstan-src@10ba3c6)
• Optimization: ConstantArrayTypeBuilder - generalize key types and value types in degraded general array (phpstan/phpstan-src@dbdcb81)
• Make @psalm-readonly-allow-private-mutation as alias of @readonly (#1609), #7774, thanks @​zonuexe!
• Implement gettype() inference in TypeSpecifier (#1611), #6901, thanks @​staabm!
• Use argument types as parameter types for inline closures (#7798) (#1628), #7798, thanks @​leongersen!
• Optimization: inline calls in TrinaryLogic to reduce method call overhead (#1563), thanks @​staabm!
• Handle the expression expr & number for positive numbers (#1629), thanks @​thg2k!
• Add type specifying extension for ctype_digit (#1635), thanks @​fluffycondor!
• array_flip() for constant arrays (phpstan/phpstan-src@a6cec39)
• array_filter() for constant arrays (phpstan/phpstan-src@771b860)
• array_intersect_key() for constant arrays (phpstan/phpstan-src@a96cdf2)
• Enfore optional parameters in callable types (#1354), #7320, thanks @​rvanvelzen!
• Optimization: match/enum performance (phpstan/phpstan-src@092ef3b)
• Optimization: TrinaryLogic - lazy evaluation methods (phpstan/phpstan-src@f8f6e2a)

Bugfixes 🐛

• Support ConstantArrayType callables with union values (#1529), #2343, thanks @​herndlm!
• PHPDoc readonly rules do not report for native readonly props (#1521), #7648, thanks @​herndlm!
• Fix error for custom autoloaders calling eval() (phpstan/phpstan-src@058d739), #7647
• Remove undefined constants from scope (#1534), thanks @​herndlm!
• Fixed double reporting of promoted properties (#1533), #7662, thanks @​mad-briller!
• Fixed extracting PHP 8 stubs (phpstan/php-8-stubs@363a282), #7676
• Remove old pg_* functions with multiple variants from signature map on PHP 8.1 (phpstan/phpstan-src@8128a63), #7138
• Fix ObjectType resolving inside bound Closure (#1543), #7675, thanks @​herndlm!
• Fix in_array non-empty-array type specification (#1545), #7684, thanks @​herndlm!
• Fix incorrect mixed template type for impossible union template type intersection (#1546), #7688, thanks @​rvanvelzen!
• Improve ConstantArrayType::unsetOffset (#1537), #5223, thanks @​herndlm!
• Fix incorrect incomplete match error for treatPhpDocTypesAsCertain: false (#1560), #7622, thanks @​rvanvelzen!
• Fix variable certainty after exhaustive switch (#1561), #1016, thanks @​rvanvelzen!
• Fix resolving variants for union type methods (#1574), #7593, #6946, #5754, thanks @​rvanvelzen!
• Fix assigning arbitrary expressions in foreach key (#1582), #7737, thanks @​rvanvelzen!
• Assume offset value set was successful for further analysis (phpstan/phpstan-src@1537424), #7469, #3391, #7417
• Support removing class-strings from GenericClassStringType (#1590), #7698, thanks @​staabm!
• Fix Array_ expr type resolving with unpacked array items (#1586), #7724, thanks @​herndlm!

... (truncated)

• 5583623 PHPStan 1.8.3
• 63dd1eb Updated PHPStan to commit c057aa9d1feff5ce61f96f397ef92e7389a17477
• 0cec633 Update Prestashop baseline
• 5d6a147 Updated PHPStan to commit 024738fcc7fe98eec72a274ee742a51442a681a3
• c1878ca Updated PHPStan to commit 4291a2494a3295274a1d37002b29908b8fe79f49
• 6383edb Updated PHPStan to commit ca616c3340923b58c972aedec8732d34cc1dbb96
• 5d994a3 Updated PHPStan to commit 5e54dbd526a8cef50593fe9e5241c071d800a738
• 7f87750 Updated PHPStan to commit fc69708ceca99cfeb52a553533bec9b369d4dd61
• d2cd5e2 Updated PHPStan to commit 169af1dcf09cdbf90471155f370c93cf37e36693
• 3b9884e Updated PHPStan to commit 2a03c92512f990779d504b37a9a62d7fe49b84a3
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