- Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- Fatal error: Uncaught TypeError: A::foo(): Return value must be of type ?A, none returned in /in/5EObZ:8
Stack trace:
#0 /in/5EObZ(12): A->foo()
#1 {main}
thrown in /in/5EObZ on line 8
Process exited with code 255. - Output for 7.2.29 - 7.2.33, 7.3.16 - 7.3.33, 7.4.3 - 7.4.33
- Fatal error: Uncaught TypeError: Return value of A::foo() must be an instance of A or null, none returned in /in/5EObZ:8
Stack trace:
#0 /in/5EObZ(12): A->foo()
#1 {main}
thrown in /in/5EObZ on line 8
Process exited with code 255. - Output for 7.0.0 - 7.0.1
- Parse error: syntax error, unexpected '?' in /in/5EObZ on line 5
Process exited with code 255. - Output for 5.5.24 - 5.5.30, 5.6.8 - 5.6.16
- Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/5EObZ on line 5
Process exited with code 255.