Running multiple queries in php

Question

I\'m really new in PHP and HTML. After pressing the submit button I\'m trying to populate the fields with the data that is already in the Users MySQL table (this works). I also

Answer 1

You are overwriting the variable $query with a new value instead of performing the query first. That said though your code has numerous problems:

• You are not escaping $_POST['user_id'], please read up on SQL injection attacks.
• You are not escaping your HTML, please read up on XSS attacks.
• Your logic flow duplicates code
• You are adding additional load on the database by fetching the data twice, only fetch once, and insert once.

See the rewritten code below.

    

        

        

        

    

    

    


    Id:



    Osha #:



        First Name:




        Last Name:



    Company:



    Trade: