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<?php interface FormBuilderInterface { public function getForm($form_arg /* , mixed ...$args */); } class FormBuilder implements FormBuilderInterface { public function getForm($form_arg, mixed ...$args) {} } class FormBuilderExtended extends FormBuilder { public function getForm($form_arg) {} }
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.26, 8.3.0 - 8.3.14, 8.4.1
Fatal error: Declaration of FormBuilderExtended::getForm($form_arg) must be compatible with FormBuilder::getForm($form_arg, mixed ...$args) in /in/nblth on line 12
Process exited with code 255.

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