---- EXPECTED OUTPUT
Substituting the iterated object for a different object.
string(10) "Original a"
string(10) "Original b"
string(10) "Original c"
string(10) "Original d"
string(10) "Original e"
object(stdClass)#%d (6) {
  ["a"]=>
  string(5) "new a"
  ["b"]=>
  string(5) "new b"
  ["c"]=>
  string(5) "new c"
  ["d"]=>
  string(5) "new d"
  ["e"]=>
  string(5) "new e"
  ["f"]=>
  string(5) "new f"
}

Substituting the iterated object for an array.
string(10) "Original a"
string(10) "Original b"
string(10) "Original c"
string(10) "Original d"
string(10) "Original e"
array(8) {
  [0]=>
  int(1)
  [1]=>
  int(2)
  [2]=>
  int(3)
  [3]=>
  int(4)
  [4]=>
  int(5)
  [5]=>
  int(6)
  [6]=>
  int(7)
  [7]=>
  int(8)
}

Substituting the iterated array for an object.
int(1)
int(2)
int(3)
int(4)
int(5)
int(6)
int(7)
int(8)
object(C)#%d (5) {
  ["a"]=>
  string(10) "Original a"
  ["b"]=>
  string(10) "Original b"
  ["c"]=>
  string(10) "Original c"
  ["d"]=>
  string(10) "Original d"
  ["e"]=>
  string(10) "Original e"
}
---- ACTUAL OUTPUT
Usage: php
      php -[b|c|n|h|i|q|s|v|?] [<file>] [args...]
  Run in LSAPI mode, only '-b', '-s' and '-c' are effective
  Run in Command Line Interpreter mode when parameters are specified

  -b <address:port>|<port> Bind Path for external LSAPI Server mode
  -c <path>|<file> Look for php.ini file in this directory
  -n    No php.ini file will be used
  -h    This help
  -i    PHP information
  -l    Syntax check
  -q    Quiet-mode.  Suppress HTTP Header output.
  -s    Display colour syntax highlighted source.
  -v    Version number
  -?    This help

  args...    Arguments passed to script.
---- FAILED