- 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/ukqQh:8
Stack trace:
#0 /in/ukqQh(12): A->foo()
#1 {main}
thrown in /in/ukqQh on line 8
Process exited with code 255. - Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
- Fatal error: Uncaught TypeError: Return value of A::foo() must be an instance of A or null, none returned in /in/ukqQh:8
Stack trace:
#0 /in/ukqQh(12): A->foo()
#1 {main}
thrown in /in/ukqQh on line 8
Process exited with code 255. - Output for 7.0.0 - 7.0.33
- Parse error: syntax error, unexpected '?' in /in/ukqQh on line 5
Process exited with code 255. - Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
- Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/ukqQh on line 5
Process exited with code 255.