php7.3升级后CI框架session失效session不能读取的问题 框架ci3.0.2,php服务器从5升级到7.x后发现session失效了ci无法设置session的问题根本原因在,libraries/Session/Session.php 中 133行: // Sanitize the cookie, because apparently PHP doesn't do that for userspace handlers if (isset($_COOKIE[$this->_con…