Fatal error: Uncaught TypeError: Unsupported operand types: string + string in /in/ZgGB3:11
Stack trace:
#0 /in/ZgGB3(15): test()
#1 {main}
thrown in /in/ZgGB3 on line 11
Process exited with code 255.
Warning: A non-numeric value encountered in /in/ZgGB3 on line 11
Warning: A non-numeric value encountered in /in/ZgGB3 on line 11
Warning: A non-numeric value encountered in /in/ZgGB3 on line 11
Warning: A non-numeric value encountered in /in/ZgGB3 on line 11
Warning: A non-numeric value encountered in /in/ZgGB3 on line 11
Warning: A non-numeric value encountered in /in/ZgGB3 on line 11
a