Fatal error: Uncaught Error: f(): Argument #1 ($x) could not be passed by reference in /in/WpDWQ:3
Stack trace:
#0 {main}
thrown in /in/WpDWQ on line 3
Process exited with code 255.
Fatal error: Uncaught Error: f(): Argument #1 ($x) cannot be passed by reference in /in/WpDWQ:3
Stack trace:
#0 {main}
thrown in /in/WpDWQ on line 3
Process exited with code 255.