Fatal error: Uncaught TypeError: foo(): Return value must be of type DateTime, null returned in /in/Vv1XO:5
Stack trace:
#0 /in/Vv1XO(6): foo()
#1 {main}
thrown in /in/Vv1XO on line 5
Process exited with code 255.
Fatal error: Uncaught TypeError: Return value of foo() must be an instance of DateTime, null returned in /in/Vv1XO:5
Stack trace:
#0 /in/Vv1XO(6): foo()
#1 {main}
thrown in /in/Vv1XO on line 5
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.38
Warning: Unsupported declare 'strict_types' in /in/Vv1XO on line 3
Parse error: syntax error, unexpected ':', expecting '{' in /in/Vv1XO on line 5
Process exited with code 255.