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run code in 300+ PHP versions simultaneously
<?php interface InterfaceService { } interface InterfaceFactory { function make(InterfaceService $s); } class ConcreteService implements InterfaceService { } class ConcreteFactory implements InterfaceFactory { function make(ConcreteService $s) {} }
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 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
Fatal error: Declaration of ConcreteFactory::make(ConcreteService $s) must be compatible with InterfaceFactory::make(InterfaceService $s) in /in/D0kQ3 on line 6
Process exited with code 255.
Output for 5.5.0 - 5.5.36, 5.6.0 - 5.6.28
Fatal error: Declaration of ConcreteFactory::make() must be compatible with InterfaceFactory::make(InterfaceService $s) in /in/D0kQ3 on line 6
Process exited with code 255.
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