Internal error: Internal error: preg_match(): Argument #2 ($subject) must be of type string, array given in file ...

[serg-rsp]

Bug report

#0 phar://C:/ProgramData/php/phpstan.phar/vendor/symfony/polyfill-mbstring/Mbstring.php(440): preg_match('//u', Array)
#1 phar://C:/ProgramData/php/phpstan.phar/vendor/symfony/polyfill-mbstring/Mbstring.php(416): Symfony\Polyfill\Mbstring\Mbstring::mb_detect_encoding(Array, Array)
#2 phar://C:/ProgramData/php/phpstan.phar/vendor/symfony/polyfill-mbstring/bootstrap80.php(45): Symfony\Polyfill\Mbstring\Mbstring::mb_check_encoding(Array, 'UTF-8')
#3 phar://C:/ProgramData/php/phpstan.phar/src/Type/Php/StrCaseFunctionsReturnTypeExtension.php(65): mb_check_encoding(Array, 'UTF-8')
#4 phar://C:/ProgramData/php/phpstan.phar/src/Analyser/MutatingScope.php(1525): PHPStan\Type\Php\StrCaseFunctionsReturnTypeExtension->getTypeFromFunctionCall(Object(PHPStan\Reflection\Native\NativeFunctionReflection), Object(PhpParser\Node\Expr\FuncCall), Object(PHPStan\Analyser\MutatingScope))
#5 phar://C:/ProgramData/php/phpstan.phar/src/Analyser/MutatingScope.php(564): PHPStan\Analyser\MutatingScope->resolveType('\ucfirst($c)', Object(PhpParser\Node\Expr\FuncCall))
#6 phar://C:/ProgramData/php/phpstan.phar/src/Analyser/MutatingScope.php(1288): PHPStan\Analyser\MutatingScope->getType(Object(PhpParser\Node\Expr\FuncCall))
#7 phar://C:/ProgramData/php/phpstan.phar/src/Analyser/MutatingScope.php(564): PHPStan\Analyser\MutatingScope->resolveType('$q[$c] ?? \ucfi...', Object(PhpParser\Node\Expr\BinaryOp\Coalesce))
#8 phar://C:/ProgramData/php/phpstan.phar/src/Analyser/MutatingScope.php(1126): PHPStan\Analyser\MutatingScope->getType(Object(PhpParser\Node\Expr\BinaryOp\Coalesce))
#9 phar://C:/ProgramData/php/phpstan.phar/src/Reflection/InitializerExprTypeResolver.php(450): PHPStan\Analyser\MutatingScope->PHPStan\Analyser{closure}(Object(PhpParser\Node\Expr\BinaryOp\Coalesce))
#10 phar://C:/ProgramData/php/phpstan.phar/src/Analyser/MutatingScope.php(1125): PHPStan\Reflection\InitializerExprTypeResolver->getArrayType(Object(PhpParser\Node\Expr\Array_), Object(Closure))
#11 phar://C:/ProgramData/php/phpstan.phar/src/Analyser/MutatingScope.php(564): PHPStan\Analyser\MutatingScope->resolveType('['id' => $c, 'm...', Object(PhpParser\Node\Expr\Array_))
#12 phar://C:/ProgramData/php/phpstan.phar/src/Analyser/MutatingScope.php(761): PHPStan\Analyser\MutatingScope->getType(Object(PhpParser\Node\Expr\Array_))
#13 phar://C:/ProgramData/php/phpstan.phar/src/Analyser/MutatingScope.php(564): PHPStan\Analyser\MutatingScope->resolveType('$this->spende_e...', Object(PhpParser\Node\Expr\Assign))
#14 phar://C:/ProgramData/php/phpstan.phar/src/Analyser/NodeScopeResolver.php(1545): PHPStan\Analyser\MutatingScope->getType(Object(PhpParser\Node\Expr\Assign))
#15 phar://C:/ProgramData/php/phpstan.phar/src/Analyser/NodeScopeResolver.php(598): PHPStan\Analyser\NodeScopeResolver->findEarlyTerminatingExpr(Object(PhpParser\Node\Expr\Assign), Object(PHPStan\Analyser\MutatingScope))
#16 phar://C:/ProgramData/php/phpstan.phar/src/Analyser/NodeScopeResolver.php(384): PHPStan\Analyser\NodeScopeResolver->processStmtNode(Object(PhpParser\Node\Stmt\Expression), Object(PHPStan\Analyser\MutatingScope), Object(Closure), Object(PHPStan\Analyser\StatementContext))
#17 phar://C:/ProgramData/php/phpstan.phar/src/Analyser/NodeScopeResolver.php(765): PHPStan\Analyser\NodeScopeResolver->processStmtNodes(Object(PhpParser\Node\Stmt\Foreach_), Array, Object(PHPStan\Analyser\MutatingScope), Object(Closure), Object(PHPStan\Analyser\StatementContext))
#18 phar://C:/ProgramData/php/phpstan.phar/src/Analyser/NodeScopeResolver.php(384): PHPStan\Analyser\NodeScopeResolver->processStmtNode(Object(PhpParser\Node\Stmt\Foreach_), Object(PHPStan\Analyser\MutatingScope), Object(Closure), Object(PHPStan\Analyser\StatementContext))
#19 phar://C:/ProgramData/php/phpstan.phar/src/Analyser/NodeScopeResolver.php(688): PHPStan\Analyser\NodeScopeResolver->processStmtNodes(Object(PhpParser\Node\Stmt\If_), Array, Object(PHPStan\Analyser\MutatingScope), Object(Closure), Object(PHPStan\Analyser\StatementContext))
#20 phar://C:/ProgramData/php/phpstan.phar/src/Analyser/NodeScopeResolver.php(384): PHPStan\Analyser\NodeScopeResolver->processStmtNode(Object(PhpParser\Node\Stmt\If_), Object(PHPStan\Analyser\MutatingScope), Object(Closure), Object(PHPStan\Analyser\StatementContext))
#21 phar://C:/ProgramData/php/phpstan.phar/src/Analyser/NodeScopeResolver.php(688): PHPStan\Analyser\NodeScopeResolver->processStmtNodes(Object(PhpParser\Node\Stmt\If_), Array, Object(PHPStan\Analyser\MutatingScope), Object(Closure), Object(PHPStan\Analyser\StatementContext))
#22 phar://C:/ProgramData/php/phpstan.phar/src/Analyser/NodeScopeResolver.php(384): PHPStan\Analyser\NodeScopeResolver->processStmtNode(Object(PhpParser\Node\Stmt\If_), Object(PHPStan\Analyser\MutatingScope), Object(Closure), Object(PHPStan\Analyser\StatementContext))
#23 phar://C:/ProgramData/php/phpstan.phar/src/Analyser/NodeScopeResolver.php(538): PHPStan\Analyser\NodeScopeResolver->processStmtNodes(Object(PhpParser\Node\Stmt\ClassMethod), Array, Object(PHPStan\Analyser\MutatingScope), Object(Closure), Object(PHPStan\Analyser\StatementContext))
#24 phar://C:/ProgramData/php/phpstan.phar/src/Analyser/NodeScopeResolver.php(384): PHPStan\Analyser\NodeScopeResolver->processStmtNode(Object(PhpParser\Node\Stmt\ClassMethod), Object(PHPStan\Analyser\MutatingScope), Object(PHPStan\Node\ClassStatementsGatherer), Object(PHPStan\Analyser\StatementContext))
#25 phar://C:/ProgramData/php/phpstan.phar/src/Analyser/NodeScopeResolver.php(640): PHPStan\Analyser\NodeScopeResolver->processStmtNodes(Object(PhpParser\Node\Stmt\Class_), Array, Object(PHPStan\Analyser\MutatingScope), Object(PHPStan\Node\ClassStatementsGatherer), Object(PHPStan\Analyser\StatementContext))
#26 phar://C:/ProgramData/php/phpstan.phar/src/Analyser/NodeScopeResolver.php(353): PHPStan\Analyser\NodeScopeResolver->processStmtNode(Object(PhpParser\Node\Stmt\Class_), Object(PHPStan\Analyser\MutatingScope), Object(Closure), Object(PHPStan\Analyser\StatementContext))
#27 phar://C:/ProgramData/php/phpstan.phar/src/Analyser/FileAnalyser.php(166): PHPStan\Analyser\NodeScopeResolver->processNodes(Array, Object(PHPStan\Analyser\MutatingScope), Object(Closure))
#28 phar://C:/ProgramData/php/phpstan.phar/src/Command/WorkerCommand.php(132): PHPStan\Analyser\FileAnalyser->analyseFile('T:\Projects\alt...', Array, Object(PHPStan\Rules\LazyRegistry), Object(PHPStan\Collectors\Registry), NULL)
#29 phar://C:/ProgramData/php/phpstan.phar/vendor/evenement/evenement/src/Evenement/EventEmitterTrait.php(97): PHPStan\Command\WorkerCommand->PHPStan\Command{closure}(Array)
#30 phar://C:/ProgramData/php/phpstan.phar/vendor/clue/ndjson-react/src/Decoder.php(117): _PHPStan_a4fa95a42\Evenement\EventEmitter->emit('data', Array)
#31 phar://C:/ProgramData/php/phpstan.phar/vendor/evenement/evenement/src/Evenement/EventEmitterTrait.php(97): _PHPStan_a4fa95a42\Clue\React\NDJson\Decoder->handleData(Array)
#32 phar://C:/ProgramData/php/phpstan.phar/vendor/react/stream/src/Util.php(62): _PHPStan_a4fa95a42\Evenement\EventEmitter->emit('data', Array)
#33 phar://C:/ProgramData/php/phpstan.phar/vendor/evenement/evenement/src/Evenement/EventEmitterTrait.php(97): _PHPStan_a4fa95a42\React\Stream\Util::_PHPStan_a4fa95a42\React\Stream{closure}('{"action":"anal...')
#34 phar://C:/ProgramData/php/phpstan.phar/vendor/react/stream/src/DuplexResourceStream.php(154): _PHPStan_a4fa95a42\Evenement\EventEmitter->emit('data', Array)
#35 phar://C:/ProgramData/php/phpstan.phar/vendor/react/event-loop/src/StreamSelectLoop.php(201): _PHPStan_a4fa95a42\React\Stream\DuplexResourceStream->handleData(Resource id #6272)
#36 phar://C:/ProgramData/php/phpstan.phar/vendor/react/event-loop/src/StreamSelectLoop.php(173): _PHPStan_a4fa95a42\React\EventLoop\StreamSelectLoop->waitForStreamActivity(NULL)
#37 phar://C:/ProgramData/php/phpstan.phar/src/Command/WorkerCommand.php(98): _PHPStan_a4fa95a42\React\EventLoop\StreamSelectLoop->run()
#38 phar://C:/ProgramData/php/phpstan.phar/vendor/symfony/console/Command/Command.php(259): PHPStan\Command\WorkerCommand->execute(Object(_PHPStan_a4fa95a42\Symfony\Component\Console\Input\ArgvInput), Object(_PHPStan_a4fa95a42\Symfony\Component\Console\Output\ConsoleOutput))
#39 phar://C:/ProgramData/php/phpstan.phar/vendor/symfony/console/Application.php(870): _PHPStan_a4fa95a42\Symfony\Component\Console\Command\Command->run(Object(_PHPStan_a4fa95a42\Symfony\Component\Console\Input\ArgvInput), Object(_PHPStan_a4fa95a42\Symfony\Component\Console\Output\ConsoleOutput))
#40 phar://C:/ProgramData/php/phpstan.phar/vendor/symfony/console/Application.php(261): _PHPStan_a4fa95a42\Symfony\Component\Console\Application->doRunCommand(Object(PHPStan\Command\WorkerCommand), Object(_PHPStan_a4fa95a42\Symfony\Component\Console\Input\ArgvInput), Object(_PHPStan_a4fa95a42\Symfony\Component\Console\Output\ConsoleOutput))
#41 phar://C:/ProgramData/php/phpstan.phar/vendor/symfony/console/Application.php(157): _PHPStan_a4fa95a42\Symfony\Component\Console\Application->doRun(Object(_PHPStan_a4fa95a42\Symfony\Component\Console\Input\ArgvInput), Object(_PHPStan_a4fa95a42\Symfony\Component\Console\Output\ConsoleOutput))
#42 phar://C:/ProgramData/php/phpstan.phar/bin/phpstan(124): _PHPStan_a4fa95a42\Symfony\Component\Console\Application->run()
#43 phar://C:/ProgramData/php/phpstan.phar/bin/phpstan(125): _PHPStan_a4fa95a42{closure}()
#44 C:\ProgramData\php\phpstan.phar(6): require('phar://C:/Progr...')
#45 {main}

Code snippet that reproduces the problem

No response

Expected output

Correct report with description of incorrect line in code without a crash PHPStan

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No response

[mergeable]

This bug report is missing a link to reproduction at phpstan.org/try.

It will most likely be closed after manual review.

[serg-rsp]

PHPStan 1.10.32
PHP 8.2
Windows 11 x64

[ondrejmirtes]

This is a duplicate of an existing issue. Please install PHP mbstring extension to work around it.

[github-actions]

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.