To Update a Database in PHP MySqli you will have to make sure that the following steps have been taken.
- You Created A Database
- You Granted Privileges to the database
- Created a config.php file to access the database
- Make sure you Connect to a Database before using this code.
The purpose of updating a database is that you will make the information within the database different. You will be updating values within a table row. This is different than inserting into a database. You will actually change whatever value is in there.
mysqli_query($con,"UPDATE table SET row1='$var' WHERE username='$var' ");
Update a Database in PHP MySqli *
Remember that you will have to include the config file for this to work. You can put include(‘config.php’); at the top of the file. Right below that you will have to make sure that you are using the connection code to the database code.
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