--TEST--
Check if persistent object is persistent
--SKIPIF--
<?php include dirname(__FILE__) . "/skipif.inc";
?>
--FILE--
<?php 
$m1 = new Memcached('id1');
$m1->setOption(Memcached::OPT_PREFIX_KEY, "foo_");

var_dump($m1->isPersistent());

$m1 = new Memcached('id1');
var_dump($m1->isPersistent());

$m2 = new Memcached('id1');
var_dump($m2->isPersistent());
// this change affects $m1
$m2->setOption(Memcached::OPT_PREFIX_KEY, "bar_");

$m3 = new Memcached('id2');
var_dump($m3->isPersistent());

$m3 = new Memcached();
var_dump($m3->isPersistent());

// objects have the same resource, but they are not the same object.
var_dump($m1 === $m2);
var_dump($m1->getOption(Memcached::OPT_PREFIX_KEY));
--EXPECT--
bool(true)
bool(true)
bool(true)
bool(true)
bool(false)
bool(false)
string(4) "bar_"