$arr=array(‘1‘,‘2‘,‘3‘);
echo serialize($arr); //序列化
a:3:{i:0;s:1:"1";i:1;s:1:"2";i:2;s:1:"3";}
$a=unserialize(a:3:{i:0;s:1:"1";i:1;s:1:"2";i:2;s:1:"3";}); //反序列化
dump($a);
array(3) {
[0] => string(1) "1"
[1] => string(1) "2"
[2] => string(1) "3"
}原文：http://www.cnblogs.com/xiamibk/p/4179717.html