Fatal error: Uncaught Exception: You can only iterate a generator by-reference if it declared that it yields by-reference in /in/WXhIs:12
Stack trace:
#0 {main}
thrown in /in/WXhIs on line 12
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Fatal error: Uncaught exception 'Exception' with message 'You can only iterate a generator by-reference if it declared that it yields by-reference' in /in/WXhIs:12
Stack trace:
#0 /in/WXhIs(12): unknown()
#1 {main}
thrown in /in/WXhIs on line 12
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '$key' (T_VARIABLE) in /in/WXhIs on line 7
Process exited with code 255.