Fatal error: Uncaught Error: array_shift(): Argument #1 ($array) could not be passed by reference in /in/3b5ta:3
Stack trace:
#0 /in/3b5ta(5): foo()
#1 {main}
thrown in /in/3b5ta on line 3
Process exited with code 255.
Fatal error: Uncaught Error: array_shift(): Argument #1 ($array) cannot be passed by reference in /in/3b5ta:3
Stack trace:
#0 /in/3b5ta(5): foo()
#1 {main}
thrown in /in/3b5ta on line 3
Process exited with code 255.