How can the PHP configuration be modified to allow file inclusion from specific directories?

To modify the PHP configuration to allow file inclusion from specific directories, you can use the "open_basedir" directive in the php.ini file. This directive restricts the files that PHP can access to the specified directories. By setting the "open_basedir" directive to the directories you want to allow file inclusion from, you can prevent PHP from accessing files outside of those directories.

// Set the open_basedir directive in php.ini to restrict file inclusion to specific directories
// Example: Restrict file inclusion to the /var/www/html/includes directory
ini_set('open_basedir', '/var/www/html/includes');