Fatal error: Uncaught ArgumentCountError: explode() expects at least 2 arguments, 1 given in /in/rX4f2:7
Stack trace:
#0 /in/rX4f2(7): explode(Array)
#1 /in/rX4f2(10): isNumericKey(Array)
#2 {main}
thrown in /in/rX4f2 on line 7
Process exited with code 255.
Warning: explode() expects at least 2 parameters, 1 given in /in/rX4f2 on line 7
bool(false)
Warning: explode() expects at least 2 parameters, 1 given in /in/rX4f2 on line 7
bool(false)