php 序列化与反序列化

 1 <?php
 2 //声明一个类
 3 class dog {
 4 
 5     var $name;
 6     var $age;
 7     var $owner;
 8 
 9     function dog($in_name="unnamed",$in_age="0",$in_owner="unknown") {
10         $this->name = $in_name;
11         $this->age = $in_age;
12         $this->owner = $in_owner;
13     }
14 
15     function getage() {
16         return ($this->age * 365);
17     }
18     
19     function getowner() {
20         return ($this->owner);
21     }
22     
23     function getname() {
24         return ($this->name);
25     }
26 }
27 //实例化这个类
28 $ourfirstdog = new dog("Rover",12,"Lisa and Graham");
29 //用serialize函数将这个实例转化为一个序列化的字符串
30 $dogdisc = serialize($ourfirstdog);
31 print $dogdisc; //$ourfirstdog 已经序列化为字符串 O:3:"dog":3:{s:4:"name";s:5:"Rover";s:3:"age";i:12;s:5:"owner";s:15:"Lisa and Graham";}
32 
33 ?>
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