Are there specific best practices for saving PHP scripts in UTF-8 without a BOM to prevent session-related errors?

When saving PHP scripts in UTF-8 without a BOM, it is important to ensure that there are no characters or whitespaces before the opening `<?php` tag, as this can cause session-related errors. To prevent these errors, make sure to save your PHP files in UTF-8 without a BOM encoding.

&lt;?php
session_start();

// Your PHP code here