What are the steps involved in upgrading a Ubuntu server to a newer version of PHP, such as PHP 5.5, and what potential benefits can it bring for PHP projects?

To upgrade a Ubuntu server to a newer version of PHP, such as PHP 5.5, you can use the package manager to install the new version of PHP and its dependencies. This can bring benefits such as improved performance, security updates, and access to new features and functionalities in PHP 5.5. ```bash sudo apt-get update sudo apt-get install php5.5 ```