WordPress has been the most popular CMS (Content Management System) in the world for several years.
This is of course what makes it more vulnerable to would-be hackers.
Below we explain how you can disable file editing from within the WordPress admin panel.
Step 1
Connect via FTP to your site files.
*You can use a program like FileZilla or CyberDuck.
Step 2
Find the file wp-config.php
Step 3
Right click and then click edit
Step 4
Find the line
/* Add any custom values between this line and the "stop editing" line. */
Step 5
Immediately afterwards add
define( 'DISALLOW_FILE_EDIT', true );
Step 6
Save the changes and upload the file to FTP again
Ready
File editing is now disabled in the WordPress admin panel.