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PHP验证码和图片不一致有关问题

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Release: 2016-06-13 13:03:16
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PHP验证码和图片不一致问题

今天遇到一个奇怪的问题,前几天后台还登录好好的,今天在登录的时候就出现“验证码和图片不一致”的问题,用户名和密码都正确,就是无法登录,网上查了一下,相关资料也比较少,就发现一条说和系统时间有关系,我也带着怀疑的态度试试,因为服务器时间和北京时间相差几分钟,就改了一下,测试一下果真是这样的。不明白和系统时间有何关系呢?不管怎么样已经可以登录,庆幸一下。

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