Fatal error: Uncaught Error: a(): Argument #1 ($a) could not be passed by reference in /in/S2T6d:6
Stack trace:
#0 {main}
thrown in /in/S2T6d on line 6
Process exited with code 255.
Fatal error: Uncaught Error: a(): Argument #1 ($a) cannot be passed by reference in /in/S2T6d:6
Stack trace:
#0 {main}
thrown in /in/S2T6d on line 6
Process exited with code 255.