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Uncaught TypeError: preg_replace(): Argument #3 ($subject) must be of type array|string, null given #5525

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bram-pkg opened this issue Aug 24, 2021 · 5 comments
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Uncaught TypeError: preg_replace(): Argument #3 ($subject) must be of type array|string, null given #5525

bram-pkg opened this issue Aug 24, 2021 · 5 comments

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@bram-pkg
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bram-pkg commented Aug 24, 2021 •
edited

Bug report

PHPstan crashes before analysis starts. No point in making a reproduction link for this.

I'm running PHP 8.0.9 and PHPstan 0.12.96

Uncaught TypeError: preg_replace(): Argument #3 ($subject) must be of type array|string, null given
Click to show stacktrace! 
Uncaught TypeError: preg_replace(): Argument #3 ($subject) must be of type array|string, null given in phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/src/Reflection/BetterReflection/SourceLocator/
OptimizedDirectorySourceLocator.php:168
#0 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/src/Reflection/BetterReflection/SourceLocator/OptimizedDirectorySourceLocator.php(168): preg_replace()
#1 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/src/Reflection/BetterReflection/SourceLocator/OptimizedDirectorySourceLocator.php(133): PHPStan\Reflection\BetterReflection\SourceLocator\Optimize
dDirectorySourceLocator->findSymbols()
#2 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/src/Reflection/BetterReflection/SourceLocator/OptimizedDirectorySourceLocator.php(118): PHPStan\Reflection\BetterReflection\SourceLocator\Optimize
dDirectorySourceLocator->init()
#3 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/src/Reflection/BetterReflection/SourceLocator/OptimizedDirectorySourceLocator.php(68): PHPStan\Reflection\BetterReflection\SourceLocator\Optimized
DirectorySourceLocator->findFilesByFunction()
#4 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/vendor/ondrejmirtes/better-reflection/src/SourceLocator/Type/AggregateSourceLocator.php(31): PHPStan\Reflection\BetterReflection\SourceLocator\Opt
imizedDirectorySourceLocator->locateIdentifier()
#5 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/vendor/ondrejmirtes/better-reflection/src/SourceLocator/Type/MemoizingSourceLocator.php(31): PHPStan\BetterReflection\SourceLocator\Type\Aggregate
SourceLocator->locateIdentifier()
#6 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/vendor/ondrejmirtes/better-reflection/src/Reflector/FunctionReflector.php(34): PHPStan\BetterReflection\SourceLocator\Type\MemoizingSourceLocator-
>locateIdentifier()
#7 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/src/Reflection/BetterReflection/Reflector/MemoizingFunctionReflector.php(29): PHPStan\BetterReflection\Reflector\FunctionReflector->reflect()
#8 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/src/Reflection/SignatureMap/NativeFunctionReflectionProvider.php(92): PHPStan\Reflection\BetterReflection\Reflector\MemoizingFunctionReflector->re
flect()
#9 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/src/Reflection/Runtime/RuntimeReflectionProvider.php(166): PHPStan\Reflection\SignatureMap\NativeFunctionReflectionProvider->findFunctionReflectio
n()
#10 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/src/Reflection/ReflectionProvider/ClassBlacklistReflectionProvider.php(123): PHPStan\Reflection\Runtime\RuntimeReflectionProvider->getFunction()
#11 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/src/Reflection/ReflectionProvider/ChainReflectionProvider.php(88): PHPStan\Reflection\ReflectionProvider\ClassBlacklistReflectionProvider->getFun
ction()
#12 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/src/Reflection/ReflectionProvider/MemoizingReflectionProvider.php(63): PHPStan\Reflection\ReflectionProvider\ChainReflectionProvider->getFunction
()
#13 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/src/Analyser/MutatingScope.php(1552): PHPStan\Reflection\ReflectionProvider\MemoizingReflectionProvider->getFunction()
#14 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/src/Analyser/MutatingScope.php(441): PHPStan\Analyser\MutatingScope->resolveType()
#15 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/src/Analyser/MutatingScope.php(697): PHPStan\Analyser\MutatingScope->getType()
#16 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/src/Analyser/MutatingScope.php(441): PHPStan\Analyser\MutatingScope->resolveType()
#17 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/src/Analyser/NodeScopeResolver.php(1344): PHPStan\Analyser\MutatingScope->getType()
#18 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/src/Analyser/NodeScopeResolver.php(459): PHPStan\Analyser\NodeScopeResolver->findEarlyTerminatingExpr()
#19 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/src/Analyser/NodeScopeResolver.php(258): PHPStan\Analyser\NodeScopeResolver->processStmtNode()
#20 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/src/Analyser/NodeScopeResolver.php(423): PHPStan\Analyser\NodeScopeResolver->processStmtNodes()
#21 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/src/Analyser/NodeScopeResolver.php(258): PHPStan\Analyser\NodeScopeResolver->processStmtNode()
#22 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/src/Analyser/NodeScopeResolver.php(507): PHPStan\Analyser\NodeScopeResolver->processStmtNodes()
#23 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/src/Analyser/NodeScopeResolver.php(258): PHPStan\Analyser\NodeScopeResolver->processStmtNode()
#24 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/src/Analyser/NodeScopeResolver.php(473): PHPStan\Analyser\NodeScopeResolver->processStmtNodes()
#25 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/src/Analyser/NodeScopeResolver.php(226): PHPStan\Analyser\NodeScopeResolver->processStmtNode()
#26 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/src/Analyser/FileAnalyser.php(149): PHPStan\Analyser\NodeScopeResolver->processNodes()
#27 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/src/Analyser/Analyser.php(52): PHPStan\Analyser\FileAnalyser->analyseFile()
#28 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/src/Command/AnalyserRunner.php(56): PHPStan\Analyser\Analyser->analyse()
#29 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/src/Command/AnalyseApplication.php(148): PHPStan\Command\AnalyserRunner->runAnalyser()
#30 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/src/Command/AnalyseApplication.php(79): PHPStan\Command\AnalyseApplication->runAnalyser()
#31 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/src/Command/AnalyseCommand.php(157): PHPStan\Command\AnalyseApplication->analyse()
#32 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/vendor/symfony/console/Command/Command.php(228): PHPStan\Command\AnalyseCommand->execute()
#33 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/vendor/symfony/console/Application.php(856): _PHPStan_68495e8a9\Symfony\Component\Console\Command\Command->run()
#34 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/vendor/symfony/console/Application.php(237): _PHPStan_68495e8a9\Symfony\Component\Console\Application->doRunCommand()
#35 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/vendor/symfony/console/Application.php(138): _PHPStan_68495e8a9\Symfony\Component\Console\Application->doRun()
#36 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/bin/phpstan(82): _PHPStan_68495e8a9\Symfony\Component\Console\Application->run()
#37 phar:///home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan.phar/bin/phpstan(83): _PHPStan_68495e8a9\{closure}()
#38 /home/bram/src/Faker/vendor-bin/phpstan/vendor/phpstan/phpstan/phpstan(8): require('...')
#39 {main}

Code snippet that reproduces the problem

Not applicable since PHPstan crashes before analysing files.

Expected output

Static code analysis of the code base.

Did PHPStan help you today? Did it make you happy in any way?

Not today but it has helped me catch a lot of type errors in one of my projects!
@mergeable
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mergeable bot commented Aug 24, 2021

This bug report is missing a link to reproduction on phpstan.org.

It will most likely be closed after manual review.

@ondrejmirtes
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Would be great to create a small reproducing repository that shows the problem, thank you.

@bram-pkg
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bram-pkg commented Aug 24, 2021 •
edited

The project I am experiencing this error on is https://github.com/FakerPHP/Faker

@ondrejmirtes
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Temporary fix until someone comes up with a better regex: phpstan/phpstan-src@a09a98d (this one fails with "backtrack limit exhausted")

@github-actions
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This thread has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.

@github-actions github-actions bot locked as resolved and limited conversation to collaborators Sep 26, 2021
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@ondrejmirtes @bram-pkg