@psalm-mutation-free@psalm-mutation-free| Analyzer | Version | Result | Diagnostics |
|---|---|---|---|
| phan | 6.0.7Phan 6.0.7 php-ast version 1.1.3 PHP version used to run Phan: 8.5.9 | Not enforced | No diagnostics reported.
|
| phpstan | 2.2.8PHPStan - PHP Static Analysis Tool 2.2.8 | Not enforced | No diagnostics reported.
|
| psalm | 6.16.1Psalm 6.16.1@f1f5de594dc76faf8784e02d3dc4716c91c6f6ac next: 7.0.0-beta19 |
Not enforced (pzoom≠) | phpdoc_advanced_psalm_mutation_free.php:26: Cannot assign to a property from a mutation-free context [ImpurePropertyAssignment] pzoom (Psalm port)No diagnostics from pzoom.
Expectation diffLine 26: Expected valid value to be accepted, got ["Cannot assign to a property from a mutation-free context [ImpurePropertyAssignment]"] |
| mago | 1.46.0mago 1.46.0 | Not enforced | No diagnostics reported.
|
| mir | 0.70.1mir 0.70.1 | Not enforced | phpdoc_advanced_psalm_mutation_free.php:26: ImmutablePropertyModification: Assigning to property value of $this in an immutable context (@psalm-immutable class or @psalm-mutation-free method) [MIR1705]
Expectation diffLine 26: Expected valid value to be accepted, got ["ImmutablePropertyModification: Assigning to property value of $this in an immutable context (@psalm-immutable class or @psalm-mutation-free method) [MIR1705]"] |
| phpantom | 0.9.0phpantom_lsp 0.9.0 | Not enforced | No diagnostics reported.
|
| intelephense | 1.18.5intelephense 1.18.5 | Not enforced | No diagnostics reported.
|
| phpy | 0.2.0phpy 0.2.0 | Not enforced | No diagnostics reported.
|
| qodana | 262.8665.325Qodana 262.8665.325 | Not enforced | No diagnostics reported.
|
| noverify | 0.5.5NoVerify, version 0.5.5: built on: 2025.04.22 14:36:46 OS: r-kuchinskas arm64 Commit: 4774b82f8adc53fbef38f95e97af4b953b4d1529 | Not enforced | No diagnostics reported.
|
| steins | 0.1.5steins 0.1.5 (2026-08-12 revision 39b4cc1) | Not enforced | No diagnostics reported.
|
| phpstan-strict | 2.2.8PHPStan - PHP Static Analysis Tool 2.2.8 | Not enforced | No diagnostics reported.
|
| psalm-next | 7.0.0-beta19Psalm 7.0.0-beta19@7e751c06a756fa64dc4c759c09fe4a173afcb433 | Not enforced | phpdoc_advanced_psalm_mutation_free.php:26: The context allows only reading instance state but property assignment to Conformance\Tests\PhpdocAdvancedPsalmMutationFree\Counter::$value is mutating instance state [ImpurePropertyAssignment]
Expectation diffLine 26: Expected valid value to be accepted, got ["The context allows only reading instance state but property assignment to Conformance\\Tests\\PhpdocAdvancedPsalmMutationFree\\Counter::$value is mutating instance state [ImpurePropertyAssignment]"] |
<?php
declare(strict_types=1);
namespace Conformance\Tests\PhpdocAdvancedPsalmMutationFree;
/**
* Cross-tool handling of `@psalm-mutation-free`.
*
* Method-level: the body must not mutate instance state. Constructors are
* exempt; this probes a normal method.
*
* References:
* - Psalm supported_annotations.md: `@psalm-mutation-free`
*/
final class Counter
{
public int $value = 0;
/**
* @psalm-mutation-free
*/
public function get(): int
{
return $this->value; // V
}
/**
* @psalm-mutation-free
*/
public function bump(): void // T: @psalm-mutation-free
{
$this->value++; // E?: property write contradicts @psalm-mutation-free
}
}