@phan-side-effect-free@psalm-pure / @phpstan-pure).
References:
- Phan Annotating-Your-Source-Code: @phan-side-effect-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 | Enforced reported Lv.2+ | phpdoc_advanced_phan_side_effect_free.php:22: Impure echo in pure function Conformance\Tests\PhpdocAdvancedPhanSideEffectFree\claimsSideEffectFree(). [identifier=impure.echo] [reported-from-level=2] With strict-rulesphpdoc_advanced_phan_side_effect_free.php:22: Impure echo in pure function Conformance\Tests\PhpdocAdvancedPhanSideEffectFree\claimsSideEffectFree(). [identifier=impure.echo]
|
| psalm | 6.16.1Psalm 6.16.1@f1f5de594dc76faf8784e02d3dc4716c91c6f6ac next: 7.0.0-beta19 |
Not enforced | No diagnostics reported.
|
| mago | 1.46.0mago 1.46.0 | Not enforced | No diagnostics reported.
|
| mir | 0.70.1mir 0.70.1 | Not enforced | No diagnostics reported.
|
| 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 | Enforced | phpdoc_advanced_phan_side_effect_free.php:22: Impure echo in pure function Conformance\Tests\PhpdocAdvancedPhanSideEffectFree\claimsSideEffectFree(). [identifier=impure.echo]
|
| psalm-next | 7.0.0-beta19Psalm 7.0.0-beta19@7e751c06a756fa64dc4c759c09fe4a173afcb433 | Not enforced | No diagnostics reported.
|
<?php
declare(strict_types=1);
namespace Conformance\Tests\PhpdocAdvancedPhanSideEffectFree;
/**
* Cross-tool handling of `@phan-side-effect-free`.
*
* Phan's purity-adjacent claim on a function. Honouring it means reporting
* side effects in the body (similar spirit to `@psalm-pure` / `@phpstan-pure`).
*
* References:
* - Phan Annotating-Your-Source-Code: `@phan-side-effect-free`
*/
/**
* @phan-side-effect-free
*/
function claimsSideEffectFree(int $value): int // T: @phan-side-effect-free
{
echo 'side effect'; // E?: echo contradicts @phan-side-effect-free
return $value + 1; // V
}
echo claimsSideEffectFree(1);