$a = array("a"=>1,"b"=>2,"c"=>3);
    $a = (object)$a;       //PHP的类型转换
    echo $a->c;
?>
<br/>
<?php
$array=array('aa','bb','cc','dd');
$a=serialize($array);
echo $a;
echo "<br/>";
$s=unserialize($a); 
foreach($s as $value)
{
echo $value.',';
}

?>