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PHP 怎么判断当前用户已在别处登录

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2016-06-13 12:12:53896browse

PHP 如何判断当前用户已在别处登录

出处:http://bbs.lampbrother.net/read-htm-tid-121909-ds-1.html#tpc

主要思路:
1.登录时,将用户的SessionID记录下来
2.验证登录时,将记录的该用户SessionID与当前SessionID匹配
3.如果不相同,说明在别处登录
具体请看demo代码,内有注释。








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