@phpstan-all-methods-pure@phpstan-impure. Honouring the tag means reporting side effects in
method bodies the same way @phpstan-pure does on a single function.
Available since PHPStan 2.1.39. The obsolete @phpstan-all-methods-are-pure
spelling is rejected as an unknown tag and is not tested here.
References:
- PHPStan phpdocs-basics: Impure functions / all-methods-pure
- PHPStan 2.1.39 release notes| Analyzer | Version | Result | Diagnostics |
|---|---|---|---|
| phan | 6.0.11Phan 6.0.11 php-ast version 1.1.3 PHP version used to run Phan: 8.5.11 | Not enforced | No diagnostics reported.
|
| phpstan | 2.3.5PHPStan - PHP Static Analysis Tool 2.3.5 | Enforced reported Lv.2+ | phpdoc_advanced_vendor_prefixed_all_methods_pure_phpstan.php:30: Impure echo in pure method Conformance\Tests\PhpdocAdvancedVendorPrefixedAllMethodsPurePhpStan\PureBox::add(). [reported-from-level=2] With strict-rulesphpdoc_advanced_vendor_prefixed_all_methods_pure_phpstan.php:30: Impure echo in pure method Conformance\Tests\PhpdocAdvancedVendorPrefixedAllMethodsPurePhpStan\PureBox::add().
|
| psalm | 6.20.9Psalm 6.20.9@f67170ac3c3b931f5088681e21d6c8babc601c08 next: 7.0.4 |
Not enforced | No diagnostics reported.
|
| mago | 1.59.0mago 1.59.0 | Not enforced | No diagnostics reported.
|
| mir | 0.91.0mir 0.91.0 | 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 | 1.0.19490phpy 1.0.19490 | Not enforced | No diagnostics reported.
|
| qodana | 262.11879.104PhpStorm 262.11879.104 | 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) | Enforced | phpdoc_advanced_vendor_prefixed_all_methods_pure_phpstan.php:30: echo has effect io.output.buffer, but PureBox::add() is declared @phpstan-all-methods-pure [effect.envelope-exceeded]
|
| phpstan-strict | 2.3.5PHPStan - PHP Static Analysis Tool 2.3.5 | Enforced | phpdoc_advanced_vendor_prefixed_all_methods_pure_phpstan.php:30: Impure echo in pure method Conformance\Tests\PhpdocAdvancedVendorPrefixedAllMethodsPurePhpStan\PureBox::add().
|
| psalm-next | 7.0.4Psalm 7.0.4@fa5b1f6e665cb743838ffd865b8fc96207f9409f | Not enforced | No diagnostics reported.
|
<?php
declare(strict_types=1);
namespace Conformance\Tests\PhpdocAdvancedVendorPrefixedAllMethodsPurePhpStan;
/**
* Cross-tool handling of `@phpstan-all-methods-pure`
*
* Class-level purity: every method is treated as pure unless a method overrides
* with `@phpstan-impure`. Honouring the tag means reporting side effects in
* method bodies the same way `@phpstan-pure` does on a single function.
*
* Available since PHPStan 2.1.39. The obsolete `@phpstan-all-methods-are-pure`
* spelling is rejected as an unknown tag and is not tested here.
*
* References:
* - PHPStan phpdocs-basics: Impure functions / all-methods-pure
* - PHPStan 2.1.39 release notes
*/
/**
* @phpstan-all-methods-pure
*/
final class PureBox // T: @phpstan-all-methods-pure
{
public function add(int $left, int $right): int
{
// The claim and the body disagree: honouring the class tag means saying so.
echo 'side effect'; // E?: an echo contradicts @phpstan-all-methods-pure
return $left + $right; // V
}
}
echo (new PureBox())->add(1, 2);