bool(false)
Fatal error: Uncaught Exception: Cannot traverse an already closed generator in /in/2E7EJ:7
Stack trace:
#0 {main}
thrown in /in/2E7EJ on line 7
Process exited with code 255.
Output for 5.6.38
Parse error: syntax error, unexpected '(' in /in/2E7EJ on line 3
Process exited with code 255.