
---- EXPECTED OUTPUT
*** Testing next() : usage variations ***

-- Pass a two-dimensional array as $array_arg --
array(3) {
  [0]=>
  int(9)
  [1]=>
  int(8)
  [2]=>
  int(7)
}
bool(false)

-- Pass a sub-array as $array_arg --
int(8)
===DONE===
---- ACTUAL OUTPUT
Could not open input file: Array
---- FAILED
