Fatal error: Uncaught ArgumentCountError: join() expects at most 2 arguments, 3 given in /in/uhJ8M:3
Stack trace:
#0 [internal function]: join(Array, 0, ',')
#1 /in/uhJ8M(3): array_walk(Array, 'join', ',')
#2 {main}
thrown in /in/uhJ8M on line 3
Process exited with code 255.
Warning: join() expects at most 2 parameters, 3 given in /in/uhJ8M on line 3
Warning: join() expects at most 2 parameters, 3 given in /in/uhJ8M on line 3
array(2) {
[0]=>
array(3) {
[0]=>
string(1) "a"
[1]=>
string(1) "b"
[2]=>
string(1) "c"
}
[1]=>
array(3) {
[0]=>
string(1) "d"
[1]=>
string(1) "e"
[2]=>
string(1) "f"
}
}