@psalm-allow-private-mutation with @readonly@psalm-allow-private-mutation| 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 | Enforced | phpdoc_advanced_psalm_allow_private_mutation.php:28: Cannot modify read-only property \Conformance\Tests\PhpdocAdvancedPsalmAllowPrivateMutation\Counter->value defined at /Users/megurine/repo/php/php-typing-conformance/conformance/tests/phpdoc_advanced_psalm_allow_private_mutation.php:22 [PhanAccessReadOnlyProperty] phpdoc_advanced_psalm_allow_private_mutation.php:35: Cannot modify read-only property \Conformance\Tests\PhpdocAdvancedPsalmAllowPrivateMutation\Counter->value defined at /Users/megurine/repo/php/php-typing-conformance/conformance/tests/phpdoc_advanced_psalm_allow_private_mutation.php:22 [PhanAccessReadOnlyProperty]
|
| phpstan | 2.3.1PHPStan - PHP Static Analysis Tool 2.3.1 | Enforced reported Lv.3+ | phpdoc_advanced_psalm_allow_private_mutation.php:35: @readonly property Conformance\Tests\PhpdocAdvancedPsalmAllowPrivateMutation\Counter::$value is assigned outside of its declaring class. [reported-from-level=3] With strict-rulesphpdoc_advanced_psalm_allow_private_mutation.php:35: @readonly property Conformance\Tests\PhpdocAdvancedPsalmAllowPrivateMutation\Counter::$value is assigned outside of its declaring class.
|
| psalm | 6.20.0Psalm 6.20.0@804f03c0c183d149fcd4b8c7c0c9b3fbf836d34c next: 7.0.0-rc2 |
Enforced | phpdoc_advanced_psalm_allow_private_mutation.php:35: Conformance\Tests\PhpdocAdvancedPsalmAllowPrivateMutation\Counter::$value is marked readonly [InaccessibleProperty]
|
| mago | 1.57.0mago 1.57.0 | Enforced | phpdoc_advanced_psalm_allow_private_mutation.php:28: Cannot modify a readonly property. [invalid-property-write] phpdoc_advanced_psalm_allow_private_mutation.php:35: Cannot initialize readonly property `Conformance\Tests\PhpdocAdvancedPsalmAllowPrivateMutation\Counter::$value` from the global scope. [invalid-property-write]
|
| mir | 0.87.0mir 0.87.0 | Enforced | phpdoc_advanced_psalm_allow_private_mutation.php:28: ReadonlyPropertyAssignment: Cannot assign to readonly property Conformance\Tests\PhpdocAdvancedPsalmAllowPrivateMutation\Counter::$value outside of constructor [MIR0600] phpdoc_advanced_psalm_allow_private_mutation.php:35: ReadonlyPropertyAssignment: Cannot assign to readonly property Conformance\Tests\PhpdocAdvancedPsalmAllowPrivateMutation\Counter::$value outside of constructor [MIR0600]
|
| 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 | Enforced | phpdoc_advanced_psalm_allow_private_mutation.php:35: Cannot modify readonly property Conformance\Tests\PhpdocAdvancedPsalmAllowPrivateMutation\Counter::$value
|
| qodana | 262.10968.76PhpStorm 262.10968.76 | Not enforced | No diagnostics reported.
|
| noverify | 0.5.5NoVerify, version 0.5.5: built on: 2025.04.22 14:36:46 OS: r-kuchinskas arm64 Commit: 4774b82f8adc53fbef38f95e97af4b953b4d1529 | Not enforced | No diagnostics reported.
|
| steins | 0.1.8steins 0.1.8 (2026-09-21 revision 76306a9) | Not enforced | No diagnostics reported.
|
| phpstan-strict | 2.3.1PHPStan - PHP Static Analysis Tool 2.3.1 | Enforced | phpdoc_advanced_psalm_allow_private_mutation.php:35: @readonly property Conformance\Tests\PhpdocAdvancedPsalmAllowPrivateMutation\Counter::$value is assigned outside of its declaring class.
|
| psalm-next | 7.0.0-rc2Psalm 7.0.0-rc2@20339e3fe5b8d03bcd8061030eb2a83ad50e5783 | Enforced | phpdoc_advanced_psalm_allow_private_mutation.php:35: Conformance\Tests\PhpdocAdvancedPsalmAllowPrivateMutation\Counter::$value is marked readonly [InaccessibleProperty]
|
<?php
declare(strict_types=1);
namespace Conformance\Tests\PhpdocAdvancedPsalmAllowPrivateMutation;
/**
* Cross-tool handling of `@psalm-allow-private-mutation` with `@readonly`.
*
* Public readonly surface with private (same-class) writes still allowed.
*
* References:
* - Psalm supported_annotations.md: `@psalm-allow-private-mutation`
*/
final class Counter
{
/**
* @readonly
* @psalm-allow-private-mutation
*/
public int $value = 0; // T: @psalm-allow-private-mutation
public function increment(): void
{
// Allowed under the tag (Psalm baseline). Quiet is origin-only;
// foreign tools that treat plain @readonly as frozen are noise here.
$this->value++; // Q?<psalm> // Q?<pzoom> // E?[noise]
}
}
$counter = new Counter();
$counter->increment(); // V
// External write must still fail under @readonly.
$counter->value = 99; // E?: readonly property assigned outside declaring class