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<?php interface Employee {} class SteelFactoryEmployee implements Employee {} class CarsFactoryEmployee implements Employee {} interface Factory { public function hire(Employee $employee): bool; } class SteelFactory implements Factory { public function hire(Employee $employee): bool { if (! $context instanceof SteelFactoryEmployee) { throw new InvalidArgumentException('Employee should be ' . SteelFactoryEmployee::class); } return true; } } class CarsFactory implements Factory { public function hire(Employee $employee): bool { if (! $context instanceof CarsFactoryEmployee) { throw new InvalidArgumentException('Employee should be ' . CarsFactoryEmployee::class); } return true; } } class EmploymentDepartment { public function hireNewEmployee(Factory $factory, Employee $employee): void { $factory->hire($employee); } } $someNewEmployee = new SteelFactoryEmployee(); $someFactory = new SteelFactory(); $employmentDepartment = new EmploymentDepartment(); $employmentDepartment->hireNewEmployee($someFactory, $someNewEmployee);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Warning: Undefined variable $context in /in/ajgqR on line 17 Fatal error: Uncaught InvalidArgumentException: Employee should be SteelFactoryEmployee in /in/ajgqR:18 Stack trace: #0 /in/ajgqR(41): SteelFactory->hire(Object(SteelFactoryEmployee)) #1 /in/ajgqR(49): EmploymentDepartment->hireNewEmployee(Object(SteelFactory), Object(SteelFactoryEmployee)) #2 {main} thrown in /in/ajgqR on line 18
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Warning: Undefined variable $context in /in/ajgqR on line 17 Fatal error: Uncaught InvalidArgumentException: Employee should be SteelFactoryEmployee in /in/ajgqR:18 Stack trace: #0 /in/ajgqR(41): SteelFactory->hire(Object(SteelFactoryEmployee)) #1 /in/ajgqR(49): EmploymentDepartment->hireNewEmployee(Object(SteelFactory), Object(SteelFactoryEmployee)) #2 {main} thrown in /in/ajgqR on line 18
Process exited with code 255.
Output for 7.1.26 - 7.1.33, 7.2.17 - 7.2.33, 7.3.0 - 7.3.31, 7.3.33, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined variable: context in /in/ajgqR on line 17 Fatal error: Uncaught InvalidArgumentException: Employee should be SteelFactoryEmployee in /in/ajgqR:18 Stack trace: #0 /in/ajgqR(41): SteelFactory->hire(Object(SteelFactoryEmployee)) #1 /in/ajgqR(49): EmploymentDepartment->hireNewEmployee(Object(SteelFactory), Object(SteelFactoryEmployee)) #2 {main} thrown in /in/ajgqR on line 18
Process exited with code 255.
Output for 7.3.32, 7.4.26
Fatal error: Uncaught InvalidArgumentException: Employee should be SteelFactoryEmployee in /in/ajgqR:18 Stack trace: #0 /in/ajgqR(41): SteelFactory->hire(Object(SteelFactoryEmployee)) #1 /in/ajgqR(49): EmploymentDepartment->hireNewEmployee(Object(SteelFactory), Object(SteelFactoryEmployee)) #2 {main} thrown in /in/ajgqR on line 18
Process exited with code 255.
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