How can the issue of empty lines appearing in the final document be resolved when using PHP with Word?

Issue: The empty lines appearing in the final document when using PHP with Word can be resolved by using the trim() function to remove any leading or trailing whitespace from the content before inserting it into the Word document. Example PHP code snippet:

```php
$content = "This is some text with empty lines\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n