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Home Backend Development PHP Tutorial 为啥php的session里用了一种比较奇怪的serialize方法?

为啥php的session里用了一种比较奇怪的serialize方法?

Jun 06, 2016 pm 08:41 PM
php

我一直以为php的session存储时都是以标准的serialize格式存储的,后来我试图用unserialize去解时才发现它居然是另一种序列化方式,就像下面

<code>login_ok|b:1;nome|s:4:"sica";inteiro|i:34;
</code>
Copy after login
Copy after login

那么问题来了,既然php自己有一套靠谱serialize方法,而且效率还挺高,为啥在session里还要搞另一套劳什子的方法呢?

回复内容:

我一直以为php的session存储时都是以标准的serialize格式存储的,后来我试图用unserialize去解时才发现它居然是另一种序列化方式,就像下面

<code>login_ok|b:1;nome|s:4:"sica";inteiro|i:34;
</code>
Copy after login
Copy after login

那么问题来了,既然php自己有一套靠谱serialize方法,而且效率还挺高,为啥在session里还要搞另一套劳什子的方法呢?

封装好的session就该用session去读,试图去解它的原始编码是非常耦合非常dirty的做法,PHP开发组应该不会考虑类似的需求。

其次,serialize由于要支持对象的序列化,__sleep魔术方法等特性,速度并不快,而且代码量巨大,和session存储的场景并不匹配

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