@phpstan-readonly-allow-private-mutation@readonly + private mutation allowance: methods of the
declaring class may write the property; outsiders may not.
References:
- PHPStan phpdocs-basics: Readonly properties / 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 | Not enforced | No diagnostics reported.
|
| phpstan | 2.3.1PHPStan - PHP Static Analysis Tool 2.3.1 | Enforced reported Lv.3+ | phpdoc_advanced_phpstan_readonly_allow_private_mutation.php:33: @readonly property Conformance\Tests\PhpdocAdvancedPhpstanReadonlyAllowPrivateMutation\Counter::$value is assigned outside of its declaring class. [reported-from-level=3] With strict-rulesphpdoc_advanced_phpstan_readonly_allow_private_mutation.php:33: @readonly property Conformance\Tests\PhpdocAdvancedPhpstanReadonlyAllowPrivateMutation\Counter::$value is assigned outside of its declaring class.
|
| psalm | 6.20.0Psalm 6.20.0@804f03c0c183d149fcd4b8c7c0c9b3fbf836d34c next: 7.0.0-rc2 |
Not enforced | No diagnostics reported.
|
| mago | 1.57.0mago 1.57.0 | Not enforced | No diagnostics reported.
|
| 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 | 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_phpstan_readonly_allow_private_mutation.php:33: @readonly property Conformance\Tests\PhpdocAdvancedPhpstanReadonlyAllowPrivateMutation\Counter::$value is assigned outside of its declaring class.
|
| psalm-next | 7.0.0-rc2Psalm 7.0.0-rc2@20339e3fe5b8d03bcd8061030eb2a83ad50e5783 | Not enforced | No diagnostics reported.
|
<?php
declare(strict_types=1);
namespace Conformance\Tests\PhpdocAdvancedPhpstanReadonlyAllowPrivateMutation;
/**
* Cross-tool handling of `@phpstan-readonly-allow-private-mutation`.
*
* Combined form of `@readonly` + private mutation allowance: methods of the
* declaring class may write the property; outsiders may not.
*
* References:
* - PHPStan phpdocs-basics: Readonly properties / allow private mutation
*/
final class Counter
{
/** @phpstan-readonly-allow-private-mutation */
public int $value = 0; // T: @phpstan-readonly-allow-private-mutation
public function increment(): void
{
// Allowed under the combined tag (PHPStan baseline). Quiet probes are
// origin-only so tools that never model the tag do not earn a free
// half-point from silence; foreign @readonly rejections are noise.
$this->value++; // Q?<phpstan> // Q?<phpstan-strict> // E?[noise]
}
}
function bumpOutside(Counter $counter): void
{
$counter->value = 99; // E?: readonly-by-phpdoc property assigned outside declaring class
}
$counter = new Counter();
$counter->increment(); // V
bumpOutside($counter);