Short answer
PHP is a programming language that runs on the web server and builds pages before sending them to the browser. WordPress, Joomla, Drupal and most contact forms are written in it — which is why hosting plans list which PHP versions they support.
This is a general web-hosting explanation, not specific to Traxio.
Learn more
- What is PHP?PHP explained: what the language does on a web server, why WordPress and most hosting apps depend on it, and why the version matters.
- Choosing a PHP version: compatibility and support datesHow to pick a PHP version for your site, what changed between 7.4 and 8.x that breaks old code, and why staying on old versions is risky.
Not with Traxio yet? You can try this on a real server with our free PHP hosting trial: 30 days free with no card, then £0.99 a month.