Are there any best practices for handling errors and exiting execution in included PHP files?

When including PHP files in your code, it's important to handle errors gracefully and exit execution if necessary to prevent further issues. One common practice is to use the `die()` function to display an error message and terminate the script if a critical error occurs in the included file.

// Include the PHP file
include 'somefile.php';

// Check for errors in the included file
if (some_condition) {
    die("An error occurred in the included file.");
}

// Continue with the rest of the script
// ...