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Change to is_null, but the function of preventing repeated login cannot be implemented

旧梦ゝ凉人心旧梦ゝ凉人心2300 days ago1103

reply all(2)I'll reply

  • 秋香姐家的小书童

    秋香姐家的小书童2018-09-10 14:58:26

    Single sign-in principle: http://www.php.cn/php-weizijiaocheng-263961.html


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  • 秋香姐家的小书童

    秋香姐家的小书童2018-09-10 14:57:29

    Repeated login The most commonly used method is single login

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