What are the best practices for updating PHP libraries like PHPMailer to ensure compatibility with the latest PHP versions?

To ensure compatibility with the latest PHP versions, it is important to regularly update PHP libraries like PHPMailer to the latest versions. This helps to incorporate any bug fixes, security updates, and improvements in performance. To update PHP libraries, you can use Composer, a dependency manager for PHP, to easily update the library to the latest version.

composer require phpmailer/phpmailer