致命错误：未被捕获的错误：在不在对象上下文中时使用$ this [英] Fatal error: uncaught error: using $this when not in object context in

问题描述

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i change: $this->db = new DB_con(); 
out with $my_db_connection = new DB_Con; 

and $result = $this->db->query($query); 
out with $result = $my_db_connection->connection->query($query);? 

the first one is in class.user file with a link to database the second line is in login with a link to class.user file

or something else how i fix this?

我尝试了什么：



i am comfused我不知道如何修复请帮助

What I have tried:

i am comfused i dont no how to fix please help

推荐答案

this-> db = new DB_con（）;
out with

this->db = new DB_con(); out with

my_db_connection = new DB_Con;

和

my_db_connection = new DB_Con; and

result =

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