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<?php trait SmartObject { public function __call(string $name, array $args) { return 'smart ' . $name; } } class Component { use SmartObject; } class FormControl extends Component { public function __call(string $name, array $args): mixed { return 'control ' . $name; } } class CustomFormControl extends FormControl { //use SmartObject; } var_dump((new FormControl)->foo()); var_dump((new CustomFormControl)->foo());