$arr = array(5 = > 'test', 'test' => 5);
$s = serealize($arr);
echo $s . '<br />';
echo '<pre>';
print_r(unserealize($s));
echo '</pre>';
$arr = array(5 = > 'test', 'test' => 5);
$s = serealize($arr);
echo $s . '<br />';
echo '<pre>';
print_r(unserealize($s));
echo '</pre>';