@phpstan-require-extends@property on interfaces under PHP 8.2+.
References:
- PHPStan phpdocs-basics: Enforcing class inheritance for interfaces and traits| 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.2+ | phpdoc_advanced_phpstan_require_extends.php:29: Interface Conformance\Tests\PhpdocAdvancedPhpstanRequireExtends\NeedsParent requires implementing class to extend Conformance\Tests\PhpdocAdvancedPhpstanRequireExtends\RequiredParent, but Conformance\Tests\PhpdocAdvancedPhpstanRequireExtends\BadChild does not. [reported-from-level=2] With strict-rulesphpdoc_advanced_phpstan_require_extends.php:29: Interface Conformance\Tests\PhpdocAdvancedPhpstanRequireExtends\NeedsParent requires implementing class to extend Conformance\Tests\PhpdocAdvancedPhpstanRequireExtends\RequiredParent, but Conformance\Tests\PhpdocAdvancedPhpstanRequireExtends\BadChild does not.
|
| 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 | Enforced | phpdoc_advanced_phpstan_require_extends.php:29: interface Conformance\Tests\PhpdocAdvancedPhpstanRequireExtends\NeedsParent expects Conformance\Tests\PhpdocAdvancedPhpstanRequireExtends\RequiredParent as a parent class.
|
| 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_require_extends.php:29: Interface Conformance\Tests\PhpdocAdvancedPhpstanRequireExtends\NeedsParent requires implementing class to extend Conformance\Tests\PhpdocAdvancedPhpstanRequireExtends\RequiredParent, but Conformance\Tests\PhpdocAdvancedPhpstanRequireExtends\BadChild does not.
|
| psalm-next | 7.0.0-rc2Psalm 7.0.0-rc2@20339e3fe5b8d03bcd8061030eb2a83ad50e5783 | Not enforced | No diagnostics reported.
|
<?php
declare(strict_types=1);
namespace Conformance\Tests\PhpdocAdvancedPhpstanRequireExtends;
/**
* Cross-tool handling of `@phpstan-require-extends`.
*
* When an interface carries the tag, implementing classes must extend the
* named parent. Useful for `@property` on interfaces under PHP 8.2+.
*
* References:
* - PHPStan phpdocs-basics: Enforcing class inheritance for interfaces and traits
*/
class RequiredParent
{
}
/**
* @phpstan-require-extends RequiredParent
*/
interface NeedsParent // T: @phpstan-require-extends
{
}
// Missing the required extends.
final class BadChild implements NeedsParent // E?: implementing class must extend RequiredParent
{
}
// Satisfies the requirement.
final class GoodChild extends RequiredParent implements NeedsParent // V
{
}