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PHPStan\Testing\assertType()

Group: Debug features · Category: extension · File: debug_phpstan_assert_type.php

Fixture-style assertion: the first argument is the expected type string. When the actual type disagrees, PHPStan reports a type assertion failure. Correct assertions are silent — that silence is success, not a miss, so only the *mismatch* line is an enforcement probe. References: - PHPStan Testing helpers: PHPStan\Testing\assertType

Analyzer results

AnalyzerVersionResultDiagnostics
phan 6.0.10Phan 6.0.10 php-ast version 1.1.3 PHP version used to run Phan: 8.5.11 Not enforced
debug_phpstan_assert_type.php:24: Call to undeclared function \PHPStan\Testing\assertType() [PhanUndeclaredFunction]
debug_phpstan_assert_type.php:27: Call to undeclared function \PHPStan\Testing\assertType() [PhanUndeclaredFunction]
  • Recognition: spelling resolved
  • Enforcement: 0/1 of the expected violations reported
phpstan 2.3.1PHPStan - PHP Static Analysis Tool 2.3.1 Enforced reported Lv.0+
debug_phpstan_assert_type.php:27: Expected type string, actual: int [reported-from-level=0]
With strict-rules
debug_phpstan_assert_type.php:27: Expected type string, actual: int
  • Recognition: spelling resolved
  • Enforcement: 1/1 of the expected violations reported
psalm 6.20.0Psalm 6.20.0@804f03c0c183d149fcd4b8c7c0c9b3fbf836d34c
next: 7.0.0-rc2
Not enforced
debug_phpstan_assert_type.php:24: Function PHPStan\Testing\assertType does not exist, consider enabling the allFunctionsGlobal config option if scanning legacy codebases [UndefinedFunction]
debug_phpstan_assert_type.php:27: Function PHPStan\Testing\assertType does not exist, consider enabling the allFunctionsGlobal config option if scanning legacy codebases [UndefinedFunction]
  • Recognition: spelling resolved
  • Enforcement: 0/1 of the expected violations reported
mago 1.57.0mago 1.57.0 Not enforced
debug_phpstan_assert_type.php:24: Function `PHPStan\Testing\assertType` could not be found. [non-existent-function]
debug_phpstan_assert_type.php:27: Function `PHPStan\Testing\assertType` could not be found. [non-existent-function]
  • Recognition: spelling resolved
  • Enforcement: 0/1 of the expected violations reported
mir 0.87.0mir 0.87.0 Not enforced
debug_phpstan_assert_type.php:24: UndefinedFunction: Function PHPStan\Testing\assertType() is not defined [MIR0003]
debug_phpstan_assert_type.php:27: UndefinedFunction: Function PHPStan\Testing\assertType() is not defined [MIR0003]
  • Recognition: spelling resolved
  • Enforcement: 0/1 of the expected violations reported
phpantom 0.11.1phpantom_lsp 0.11.1 Not enforced
debug_phpstan_assert_type.php:24: Function 'PHPStan\Testing\assertType' not found [unknown_function]
debug_phpstan_assert_type.php:27: Function 'PHPStan\Testing\assertType' not found [unknown_function]
  • Recognition: spelling resolved
  • Enforcement: 0/1 of the expected violations reported
intelephense 1.18.5intelephense 1.18.5 Not enforced
debug_phpstan_assert_type.php:24: Undefined function 'PHPStan\Testing\assertType'. [P1010]
debug_phpstan_assert_type.php:27: Undefined function 'PHPStan\Testing\assertType'. [P1010]
  • Recognition: spelling resolved
  • Enforcement: 0/1 of the expected violations reported
phpactor 2026.10.07.0Phpactor 2026.10.07.0 Enforced
debug_phpstan_assert_type.php:24: Function "assertType" not found [unresolved_name]
debug_phpstan_assert_type.php:27: Function "assertType" not found [unresolved_name]
  • Recognition: spelling resolved
  • Enforcement: 1/1 of the expected violations reported
phpy 1.0.19409phpy 1.0.19409 Not enforced
debug_phpstan_assert_type.php:24: Call to unknown function: 'PHPStan\Testing\assertType'
debug_phpstan_assert_type.php:27: Call to unknown function: 'PHPStan\Testing\assertType'
  • Recognition: spelling resolved
  • Enforcement: 0/1 of the expected violations reported
qodana 262.10968.76PhpStorm 262.10968.76 Not enforced
debug_phpstan_assert_type.php:24: Undefined namespace 'Testing' [PhpUndefinedNamespaceInspection]
debug_phpstan_assert_type.php:27: Undefined namespace 'Testing' [PhpUndefinedNamespaceInspection]
  • Recognition: spelling resolved
  • Enforcement: 0/1 of the expected violations reported
noverify 0.5.5NoVerify, version 0.5.5: built on: 2025.04.22 14:36:46 OS: r-kuchinskas arm64 Commit: 4774b82f8adc53fbef38f95e97af4b953b4d1529 Not enforced
debug_phpstan_assert_type.php:24: Call to undefined function \PHPStan\Testing\assertType [undefinedFunction]
debug_phpstan_assert_type.php:27: Call to undefined function \PHPStan\Testing\assertType [undefinedFunction]
  • Recognition: spelling resolved
  • Enforcement: 0/1 of the expected violations reported
steins 0.1.8steins 0.1.8 (2026-09-21 revision 76306a9) Not enforced
debug_phpstan_assert_type.php:24: call to undefined function PHPStan\Testing\assertType() — not defined in the project, not on PHP 8.5.11 (70 extensions) [call.undefined-function]
debug_phpstan_assert_type.php:27: call to undefined function PHPStan\Testing\assertType() — not defined in the project, not on PHP 8.5.11 (70 extensions) [call.undefined-function]
  • Recognition: spelling resolved
  • Enforcement: 0/1 of the expected violations reported
phpstan-strict 2.3.1PHPStan - PHP Static Analysis Tool 2.3.1 Enforced
debug_phpstan_assert_type.php:27: Expected type string, actual: int
  • Recognition: spelling resolved
  • Enforcement: 1/1 of the expected violations reported
psalm-next 7.0.0-rc2Psalm 7.0.0-rc2@20339e3fe5b8d03bcd8061030eb2a83ad50e5783 Not enforced
debug_phpstan_assert_type.php:24: Function PHPStan\Testing\assertType does not exist, consider enabling the allFunctionsGlobal config option if scanning legacy codebases [UndefinedFunction]
debug_phpstan_assert_type.php:27: Function PHPStan\Testing\assertType does not exist, consider enabling the allFunctionsGlobal config option if scanning legacy codebases [UndefinedFunction]
  • Recognition: spelling resolved
  • Enforcement: 0/1 of the expected violations reported

Source

<?php

declare(strict_types=1);

namespace Conformance\Tests\DebugPhpstanAssertType;

/**
 * Cross-tool handling of `PHPStan\Testing\assertType()`.
 *
 * Fixture-style assertion: the first argument is the expected type string.
 * When the actual type disagrees, PHPStan reports a type assertion failure.
 * Correct assertions are silent — that silence is success, not a miss, so
 * only the *mismatch* line is an enforcement probe.
 *
 * References:
 * - PHPStan Testing helpers: `PHPStan\Testing\assertType`
 *
 * @conformance-kind debug
 */

function example(int $value): void // T: PHPStan\Testing\assertType
{
    // Correct: silence when honoured. Foreign undefined-function is noise only.
    \PHPStan\Testing\assertType('int', $value); // E?[noise]

    // Wrong expected type: the sole enforcement probe.
    \PHPStan\Testing\assertType('string', $value); // E?: Expected type string, actual: int
}