Fatal error: Uncaught TypeError: A::foo(): Return value must be of type A, none returned in /in/8F0Z0:8
Stack trace:
#0 /in/8F0Z0(12): A->foo()
#1 {main}
thrown in /in/8F0Z0 on line 8
Process exited with code 255.
Fatal error: Uncaught TypeError: Return value of A::foo() must be an instance of A, none returned in /in/8F0Z0:8
Stack trace:
#0 /in/8F0Z0(12): A->foo()
#1 {main}
thrown in /in/8F0Z0 on line 8
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.38
Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/8F0Z0 on line 5
Process exited with code 255.