Fatal error: uncaught error: using $this when not in object context in

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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?

What I have tried:

i am comfused i dont no how to fix please help

Posted 2-Nov-17 1:12am

Member 13270742

Updated 2-Nov-17 1:34am

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W∴ Balboos, *GHB* · Answer 1 · 2017-11-02T01:34:00

For the most part, you use $this-> when you're referring to a class member or member function withing the class. Local variable, within the class, don't have the $this->
So - to use $this-> your symbol must be a member of the class

When you create an instance of a class, like
$item = new someclass(); then you access the members using $item->
Think of it as the external replacement for the internal $this->

Outside of the class, however, $this-> doesn't make sense

See here: PHP 5 Data Types[^] Classes are referred to as data objects.