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Home > Backend Development > PHP Tutorial > session-关于PHP唯一表示符的问题。不懂，求讲解

session-关于PHP唯一表示符的问题。不懂，求讲解

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Release： 2016-06-02 11:32:17
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sessionphp表单

$_SESSION['uniqid']=$_uniqid=sha1(uniqid(rand(),true))；这个$_SESSION['uniqid']和$_uniqid这个不是必然相等吗。。为什么我看到他是判断$_SESSION['uniqid']和$_uniqid的值是不是一样的来判断是否是正常注册。

$_uniqid是表单中隐藏域的值

Related labels：
session php 表单
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