| 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 | Pass | properties_readonly_assignment.php:23: Saw attempt to modify class \Conformance\Tests\PropertiesReadonlyAssignment\ReadonlyBox's property $value declared at /Users/megurine/repo/php/php-typing-conformance/conformance/tests/properties_readonly_assignment.php:17 (immutability of properties is enforced at runtime) [PhanTypeModifyImmutableObjectProperty] |
| phpstan | 2.2.8PHPStan - PHP Static Analysis Tool 2.2.8 | Pass reported Lv.2+ | properties_readonly_assignment.php:23: Assign to protected(set) property Conformance\Tests\PropertiesReadonlyAssignment\ReadonlyBox::$value. [identifier=assign.propertyProtectedSet] [reported-from-level=2] With strict-rulesproperties_readonly_assignment.php:23: Assign to protected(set) property Conformance\Tests\PropertiesReadonlyAssignment\ReadonlyBox::$value. [identifier=assign.propertyProtectedSet] |
| psalm | 6.16.1Psalm 6.16.1@f1f5de594dc76faf8784e02d3dc4716c91c6f6ac next: 7.0.0-beta19 |
Pass | properties_readonly_assignment.php:23: Conformance\Tests\PropertiesReadonlyAssignment\ReadonlyBox::$value is marked readonly [InaccessibleProperty] |
| mago | 1.46.0mago 1.46.0 | Pass | properties_readonly_assignment.php:23: Cannot write to protected property `$value` on class `Conformance\Tests\PropertiesReadonlyAssignment\ReadonlyBox`. [invalid-property-write] |
| mir | 0.70.1mir 0.70.1 | Pass | properties_readonly_assignment.php:23: ReadonlyPropertyAssignment: Cannot assign to readonly property Conformance\Tests\PropertiesReadonlyAssignment\ReadonlyBox::$value outside of constructor [MIR0600] |
| phpantom | 0.9.0phpantom_lsp 0.9.0 | Fail | No diagnostics reported. Expectation diffLine 23: Expected 1 error(s) |
| intelephense | 1.18.5intelephense 1.18.5 | Pass | properties_readonly_assignment.php:23: Cannot modify property Conformance\Tests\PropertiesReadonlyAssignment\ReadonlyBox::$value from global scope. [P1056] |
| phpy | 0.2.0phpy 0.2.0 | Pass | properties_readonly_assignment.php:23: Cannot modify readonly property Conformance\Tests\PropertiesReadonlyAssignment\ReadonlyBox::$value |
| qodana | 262.8665.325Qodana 262.8665.325 | Pass | properties_readonly_assignment.php:23: Cannot write to 'readonly' property outside of declaration scope [PhpReadonlyPropertyWrittenOutsideDeclarationScopeInspection] |
| noverify | 0.5.5NoVerify, version 0.5.5: built on: 2025.04.22 14:36:46 OS: r-kuchinskas arm64 Commit: 4774b82f8adc53fbef38f95e97af4b953b4d1529 | Fail | No diagnostics reported. Expectation diffLine 23: Expected 1 error(s) |
| steins | 0.1.5steins 0.1.5 (2026-08-12 revision 39b4cc1) | Pass | properties_readonly_assignment.php:23: Cannot modify readonly property ReadonlyBox::$value — proven Error [readonly.reassigned] |
| phpstan-strict | 2.2.8PHPStan - PHP Static Analysis Tool 2.2.8 | Pass | properties_readonly_assignment.php:23: Assign to protected(set) property Conformance\Tests\PropertiesReadonlyAssignment\ReadonlyBox::$value. [identifier=assign.propertyProtectedSet] |
| psalm-next | 7.0.0-beta19Psalm 7.0.0-beta19@7e751c06a756fa64dc4c759c09fe4a173afcb433 | Pass | properties_readonly_assignment.php:23: Conformance\Tests\PropertiesReadonlyAssignment\ReadonlyBox::$value is marked readonly [InaccessibleProperty] |
<?php
declare(strict_types=1);
namespace Conformance\Tests\PropertiesReadonlyAssignment;
/**
* Basic readonly property write checks.
*
* References:
* - PHP readonly properties
*/
final class ReadonlyBox
{
public function __construct(
public readonly int $value,
) {
}
}
$box = new ReadonlyBox(1);
$box->value = 2; // E: readonly property cannot be reassigned