php中serialize与unserialize用法实例代码

/*  
 串行化(序列化)  
*/
class Person  
{  
 public $name;  
 public $age;  
 public $sex;  
 public $sanwei;

 public function __construct($name, $age, $sex, $sanwei)  
 {  
  $this->name = $name;  
  $this->age = $age;  
  $this->sex = $sex;  
  $this->sanwei = $sanwei;  
 }  
}

// 实例化Person类  
$p = new Person('凤姐', 20, '女', '100-70-100');  
var_dump($p);  
$str = serialize($p); // O:6:"Person":3:{s:4:"name";s:6:"凤姐";s:3:"age";i:20;s:3:"sex";s:3:"女";}

file_put_contents('9.txt', $str);  
/*  
 O:object  
 6:类名的字符个数  
 Person:类名  
 3：三个属性  
 s:string 数据类型   
 i:int 数据类型  
*/

class Person  
{  
    public $name;  
    public $age;  
    public $sex;  
    public $sanwei;

    public function __construct($name, $age, $sex, $sanwei)  
    {  
        $this->name = $name;  
        $this->age = $age;  
        $this->sex = $sex;  
        $this->sanwei = $sanwei;  
    }  
}

// 1.获取9.txt文本的内容  
$str = file\_get\_contents('9.txt');//O:6:"Person":4:{s:4:"name";s:6:"凤姐";s:3:"age";i:20;s:3:"sex";s:3:"女";s:6:"sanwei";s:10:"100-70-100";}

// 2.反串行化  
$obj = unserialize($str);

echo $obj->name;  
echo $obj->age;  
echo $obj->sex;

$intParam = 123;
$stringParam= 'I love the world';  
$arrayParam = array(  
    "fruits" => array("a" => "orange", "b" => "banana", "c" => "apple"),  
    "numbers" => array(1, 2, 3, 4, 5, 6),  
    "holes" => array("first", 5 => "second", "third")  
); 

class Object  
{  
    public $memu = "index";  
}  
$objectParam = new Object();  

print 'serialize($intParam) 输出的值:'.serialize($intParam);
print 'serialize($stringParam) 输出的值:'.serialize($stringParam);
print 'serialize($arrayParam) 输出的值:'.serialize($c=$arrayParam);  
print 'serialize($objectParam) 输出的值:'.serialize($d=$objectParam);
print 'unserialize(serialize($intParam)) 的结果是:'.unserialize(serialize($intParam));
print 'unserialize(serialize($stringParam)) 的结果是:'.unserialize(serialize($stringParam));

print 'unserialize(serialize($arrayParam)) 的结果是:'.unserialize(serialize($arrayParam));
var_dump(unserialize(serialize($arrayParam)));  

print 'unserialize(serialize($objectParam)) 的结果是:';
var_dump(unserialize(serialize($objectParam)));

serialize($intParam) 输出的值:i:123;
serialize($stringParam) 输出的值:s:16:"I love the world";
serialize($arrayParam) 输出的值:a:3:{s:6:"fruits";a:3:{s:1:"a";s:6:"orange";s:1:"b";s:6:"banana";s:1:"c";s:5:"apple";}s:7:"numbers";a:6:{i:0;i:1;i:1;i:2;i:2;i:3;i:3;i:4;i:4;i:5;i:5;i:6;}s:5:"holes";a:3:{i:0;s:5:"first";i:5;s:6:"second";i:6;s:5:"third";}}
serialize($objectParam) 输出的值:O:6:"Object":1:{s:4:"memu";s:5:"index";}
unserialize(serialize($intParam)) 的结果是:123
unserialize(serialize($stringParam)) 的结果是:I love the world

unserialize(serialize($arrayParam)) 的结果是:Arrayarray(3) {
  ["fruits"]=>
  array(3) {
    ["a"]=>
    string(6) "orange"
    ["b"]=>
    string(6) "banana"
    ["c"]=>
    string(5) "apple"
  }
  ["numbers"]=>
  array(6) {
    [0]=>
    int(1)
    [1]=>
    int(2)
    [2]=>
    int(3)
    [3]=>
    int(4)
    [4]=>
    int(5)
    [5]=>
    int(6)
  }
  ["holes"]=>
  array(3) {
    [0]=>
    string(5) "first"
    [5]=>
    string(6) "second"
    [6]=>
    string(5) "third"
  }
}

unserialize(serialize($objectParam)) 的结果是:object(Object)#2 (1) {
  ["memu"]=>
  string(5) "index"
}