@phpstan-assert-if-false@phpstan-assert-if-false
- Psalm adding_assertions.md: assert-if-false| Analyzer | Version | Result | Diagnostics |
|---|---|---|---|
| phan | 6.0.10Phan 6.0.10 php-ast version 1.1.3 PHP version used to run Phan: 8.5.11 | Not enforced | No diagnostics reported.
|
| phpstan | 2.3.1PHPStan - PHP Static Analysis Tool 2.3.1 | Enforced reported Lv.4+ | phpdoc_advanced_vendor_prefixed_assert_if_false_phpstan.php:37: Call to function is_string() with int will always evaluate to false. [reported-from-level=4] With strict-rulesphpdoc_advanced_vendor_prefixed_assert_if_false_phpstan.php:37: Call to function is_string() with int will always evaluate to false.
|
| psalm | 6.20.0Psalm 6.20.0@804f03c0c183d149fcd4b8c7c0c9b3fbf836d34c next: 7.0.0-rc2 |
Enforced (pzoom≠) | phpdoc_advanced_vendor_prefixed_assert_if_false_phpstan.php:37: Type int for $value is never string [TypeDoesNotContainType] phpdoc_advanced_vendor_prefixed_assert_if_false_phpstan.php:37: Type int for $value is never string [RedundantCondition] pzoom (Psalm port)No diagnostics from pzoom.
|
| mago | 1.57.0mago 1.57.0 | Enforced | phpdoc_advanced_vendor_prefixed_assert_if_false_phpstan.php:37: Impossible type assertion: `$value` of type `int` can never be `string`. [impossible-type-comparison] phpdoc_advanced_vendor_prefixed_assert_if_false_phpstan.php:37: Redundant ternary operator: condition is always falsy. [impossible-condition]
|
| mir | 0.87.0mir 0.87.0 | Not enforced | No diagnostics reported.
|
| phpantom | 0.11.1phpantom_lsp 0.11.1 | Not enforced | No diagnostics reported.
|
| intelephense | 1.18.5intelephense 1.18.5 | Not enforced | No diagnostics reported.
|
| phpactor | 2026.10.07.0Phpactor 2026.10.07.0 | Not enforced | No diagnostics reported.
|
| phpy | 1.0.19409phpy 1.0.19409 | Not enforced | No diagnostics reported.
|
| qodana | 262.10968.76PhpStorm 262.10968.76 | Not enforced | No diagnostics 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 | phpdoc_advanced_vendor_prefixed_assert_if_false_phpstan.php:36: not null safety call in function Conformance\Tests\PhpdocAdvancedVendorPrefixedAssertIfFalsePhpStan\takesInt signature of param value [notNullSafetyFunctionArgumentVariable]
Expectation diffLine 36: Expected valid value to be accepted, got ["not null safety call in function Conformance\\Tests\\PhpdocAdvancedVendorPrefixedAssertIfFalsePhpStan\\takesInt signature of param value [notNullSafetyFunctionArgumentVariable]"] |
| steins | 0.1.8steins 0.1.8 (2026-09-21 revision 76306a9) | Not enforced | No diagnostics reported.
|
| phpstan-strict | 2.3.1PHPStan - PHP Static Analysis Tool 2.3.1 | Enforced | phpdoc_advanced_vendor_prefixed_assert_if_false_phpstan.php:37: Call to function is_string() with int will always evaluate to false.
|
| psalm-next | 7.0.0-rc2Psalm 7.0.0-rc2@20339e3fe5b8d03bcd8061030eb2a83ad50e5783 | Enforced | phpdoc_advanced_vendor_prefixed_assert_if_false_phpstan.php:37: Type int for $value is never string [TypeDoesNotContainType] phpdoc_advanced_vendor_prefixed_assert_if_false_phpstan.php:37: Type int for $value is never string [RedundantCondition]
|
<?php
declare(strict_types=1);
namespace Conformance\Tests\PhpdocAdvancedVendorPrefixedAssertIfFalsePhpStan;
/**
* Conditional assertion `@phpstan-assert-if-false`.
*
* The PHPStan spelling of the same "holds when the call returns false"
* conditional. Paired with the Psalm file under the other prefix.
*
* References:
* - PHPStan narrowing-types.md: `@phpstan-assert-if-false`
* - Psalm adding_assertions.md: assert-if-false
*/
/**
* @phpstan-assert-if-false int $value
*/
function isNotIntValue(mixed $value): bool // T: @phpstan-assert-if-false
{
return !\is_int($value);
}
function takesInt(int $value): void
{
}
function example(mixed $value): void
{
if (isNotIntValue($value)) {
// True branch: no assertion applied; `$value` stays mixed.
} else {
// False branch: the assertion makes `$value` an int.
takesInt($value); // V
echo \is_string($value) ? 'string' : 'int'; // E?: in the false branch, is_string() is always false
}
}