@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 | 6.0.7Phan 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_vendor_prefixed_all_methods_pure_phpstan.php:30: Impure echo in pure method Conformance\Tests\PhpdocAdvancedVendorPrefixedAllMethodsPurePhpStan\PureBox::add(). [identifier=impure.echo] [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(). [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) | 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 | 2.2.8PHPStan - PHP Static Analysis Tool 2.2.8 | Enforced | phpdoc_advanced_vendor_prefixed_all_methods_pure_phpstan.php:30: Impure echo in pure method Conformance\Tests\PhpdocAdvancedVendorPrefixedAllMethodsPurePhpStan\PureBox::add(). [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\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);