@mixindoA() on B is treated as A::doA().
References:
- PHPStan phpdocs-basics: Mixins
- Psalm supported_annotations.md: @mixins| 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 | Recognized (no probes) | No diagnostics reported.
|
| phpstan | 2.2.8PHPStan - PHP Static Analysis Tool 2.2.8 | Enforced reported Lv.2+ | phpdoc_advanced_mixin.php:61: Call to an undefined method Conformance\Tests\PhpdocAdvancedMixin\Facade::missing(). [identifier=method.notFound] [reported-from-level=2] phpdoc_advanced_mixin.php:61: Parameter #1 $value of function Conformance\Tests\PhpdocAdvancedMixin\takesInt expects int, mixed given. [identifier=argument.type] [reported-from-level=10] With strict-rulesphpdoc_advanced_mixin.php:61: Call to an undefined method Conformance\Tests\PhpdocAdvancedMixin\Facade::missing(). [identifier=method.notFound] phpdoc_advanced_mixin.php:61: Parameter #1 $value of function Conformance\Tests\PhpdocAdvancedMixin\takesInt expects int, mixed given. [identifier=argument.type]
|
| psalm | 6.16.1Psalm 6.16.1@f1f5de594dc76faf8784e02d3dc4716c91c6f6ac next: 7.0.0-beta19 |
Enforced | phpdoc_advanced_mixin.php:61: Argument 1 of Conformance\Tests\PhpdocAdvancedMixin\takesInt cannot be mixed, expecting int [MixedArgument] phpdoc_advanced_mixin.php:61: Magic method Conformance\Tests\PhpdocAdvancedMixin\Facade::missing does not exist [UndefinedMagicMethod]
|
| mago | 1.46.0mago 1.46.0 | Enforced | phpdoc_advanced_mixin.php:61: Ambiguous method call to `missing` on class `Conformance\Tests\PhpdocAdvancedMixin\Facade`. [non-documented-method] phpdoc_advanced_mixin.php:61: Invalid argument type for argument #1 of `Conformance\Tests\PhpdocAdvancedMixin\takesInt`: expected `int`, but found `mixed`. [mixed-argument]
|
| mir | 0.70.1mir 0.70.1 | Recognized (no probes) | No diagnostics reported.
|
| phpantom | 0.9.0phpantom_lsp 0.9.0 | Recognized (no probes) | No diagnostics reported.
|
| intelephense | 1.18.5intelephense 1.18.5 | Not enforced | phpdoc_advanced_mixin.php:56: Expected type 'int'. Found 'mixed'. [P1006] phpdoc_advanced_mixin.php:61: Expected type 'int'. Found 'mixed'. [P1006]
|
| phpy | 0.2.0phpy 0.2.0 | Recognized (no probes) | phpdoc_advanced_mixin.php:61: Method Facade::missing() is not defined. The call is passed to the magic Facade::__call() method.
|
| qodana | 262.8665.325Qodana 262.8665.325 | Recognized (no probes) | 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 | Recognized (no probes) | phpdoc_advanced_mixin.php:34: param $arguments miss matched with phpdoc type <<list<mixed>>> [funcParamTypeMissMatch]
|
| steins | 0.1.5steins 0.1.5 (2026-08-12 revision 39b4cc1) | Recognized (no probes) | No diagnostics reported.
|
| phpstan-strict | 2.2.8PHPStan - PHP Static Analysis Tool 2.2.8 | Enforced | phpdoc_advanced_mixin.php:61: Call to an undefined method Conformance\Tests\PhpdocAdvancedMixin\Facade::missing(). [identifier=method.notFound] phpdoc_advanced_mixin.php:61: Parameter #1 $value of function Conformance\Tests\PhpdocAdvancedMixin\takesInt expects int, mixed given. [identifier=argument.type]
|
| psalm-next | 7.0.0-beta19Psalm 7.0.0-beta19@7e751c06a756fa64dc4c759c09fe4a173afcb433 | Enforced | phpdoc_advanced_mixin.php:61: Argument 1 of Conformance\Tests\PhpdocAdvancedMixin\takesInt cannot be mixed, expecting int [MixedArgument] phpdoc_advanced_mixin.php:61: Magic method Conformance\Tests\PhpdocAdvancedMixin\Facade::missing does not exist [UndefinedMagicMethod]
|
<?php
declare(strict_types=1);
namespace Conformance\Tests\PhpdocAdvancedMixin;
/**
* Cross-tool handling of `@mixin`.
*
* The tag tells analyzers that unknown method/property access is delegated to
* another type. Honouring it means `doA()` on `B` is treated as `A::doA()`.
*
* References:
* - PHPStan phpdocs-basics: Mixins
* - Psalm supported_annotations.md: @mixins
*/
final class Delegated
{
public function answer(): int
{
return 42;
}
}
/**
* @mixin Delegated
*/
final class Facade // T: @mixin
{
/**
* @param list<mixed> $arguments
*/
public function __call(string $name, array $arguments): mixed // E?[noise]: some tools flag the docblock/native array mismatch
{
if ($name === 'answer') {
return (new Delegated())->answer();
}
throw new \BadMethodCallException($name);
}
}
function takesInt(int $value): void
{
}
// Mixin makes answer() visible and typed as int. Honouring the tag means this
// is silent; a tool that ignores @mixin routes answer() through __call and sees
// `mixed`, so a diagnostic here means the tag was not applied. Silence is the
// discriminator, so this is a quiet probe — but only for the analyzers that
// both flag `mixed` arguments and would therefore stay silent *because* the
// mixin resolved answer() to int. Tools that never flag `mixed` (phan, phpy,
// …) would be silent regardless, so scoring them here would hand out a free
// pass; they are left as recognition-only instead.
takesInt((new Facade())->answer()); // Q?<phpstan> // Q?<phpstan-strict> // Q?<psalm> // Q?<pzoom> // Q?<mago> // Q?<intelephense> // E?[noise]
// A method neither on Facade nor on the mixin target stays undefined. It is
// caught by __call handling whether or not @mixin is honoured, so it is noise
// for the tag rather than an enforcement probe.
takesInt((new Facade())->missing()); // E?[noise]: missing is not provided by @mixin Delegated