Millions of people use php BB on a daily basis, making it the most widely used open source bulletin board system in the world.
Whether you want to stay in touch with a small group of friends or are looking to set up a large multi-category board for a corporate website, php BB has the features you need built in.
Should your website experience any issues following the scripting language changes, you can downgrade back to your current version.
It is your responsibility to ensure that your website is compatible with your selected version of PHP.
The top of the phpinfo page will tell you what version of PHP is being referenced by that directory.