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php中serialize序列化缺陷

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Release: 2016-05-25 17:11:01
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php代码

//序列化一个数组:
serialize(array("asdoasod\'asdasd", "asdaspdaso\\\\\\pdopasopd"));
//返回结果:
a:2:{i:0;s:16:"asdoasod\'asdasd";i:1;s:22:"asdaspdaso\\\pdopasopd";}

//我们一般存进数据库,带\号直接存进数据库会有一个问题,会出现自动去除'\'
//假如去除了'\'
//s:16:  这个16代表长度
//再从数据库中取出来数据,s:16的长度将会变短,这个时候:

unserialize(); //就会出现问题!
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php代码

//序列化一个数组:
serialize(array("asdoasod\'asdasd", "asdaspdaso\\\\\\pdopasopd"));
//返回结果:
a:2:{i:0;s:16:"asdoasod\'asdasd";i:1;s:22:"asdaspdaso\\\pdopasopd";}
 
//我们一般存进数据库,带\号直接存进数据库会有一个问题,会出现自动去除'\'
//假如去除了'\'
//s:16:  这个16代表长度
//再从数据库中取出来数据,s:16的长度将会变短,这个时候:
 
unserialize(); //就会出现问题!
Copy after login
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