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<?php abstract class AbstractService { } abstract class AbstractFactory { abstract function make(AbstractService $s); } class ConcreteService extends AbstractService { } class ConcreteFactory extends AbstractFactory { function make(ConcreteService $s) {} }
Output for git.master_jit, git.master
Fatal error: Declaration of ConcreteFactory::make(ConcreteService $s) must be compatible with AbstractFactory::make(AbstractService $s) in /in/vMJW5 on line 6 Stack trace: #0 {main}
Process exited with code 255.

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