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<?php interface Constraint {} #[Attribute(Attribute::TARGET_PROPERTY|Attribute::TARGET_METHOD|Attribute::TARGET_PARAMETER)] class NotNull implements Constraint {} class App { #[NotNull] public function test(): void {} } foreach((new ReflectionMethod(App::class, 'test'))->getAttributes() as $attribute) if($attribute->newInstance() instanceof Constraint) echo 'Success';
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Success
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught Error: Call to undefined method ReflectionMethod::getAttributes() in /in/fFl3X:14 Stack trace: #0 {main} thrown in /in/fFl3X on line 14
Process exited with code 255.
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