--TEST--
[READER] Parameters formatting should not modify input argument.

--SKIPIF--
<?php
require_once 'testsuite_skipif.inc';

--FILE--
<?php
$array = array('SET', 'key', 1);

var_dump(phpiredis_format_command($array));
var_dump($array);

--EXPECT--
string(29) "*3
$3
SET
$3
key
$1
1
"
array(3) {
  [0]=>
  string(3) "SET"
  [1]=>
  string(3) "key"
  [2]=>
  int(1)
}