What are the best practices for modifying paths and includes within PHP scripts when integrating external software like WBB?

When integrating external software like WBB into PHP scripts, it is important to modify paths and includes correctly to ensure smooth functionality. One best practice is to use absolute paths instead of relative paths to avoid any confusion or errors. Additionally, it is recommended to define constants for paths and includes to easily manage and update them in the future.

// Define constants for paths and includes
define('ROOT_PATH', '/path/to/your/website/root/');
define('WBB_PATH', ROOT_PATH . 'path/to/WBB/');

// Include WBB files using absolute paths
require_once(WBB_PATH . 'file.php');