PHP 7.4 Just Came Out, and So Did Our PHP Version Switcher If your site is on the Business or eCommerce plan, you can switch to the newest version of PHP today. Andrija Vucinic PHP is still one of the most popular languages used to build the web. The newest version, PHP 7.4, was released today — and Business and eCommerce plan customers can opt to start using it immediately. WordPress.com sites run PHP 7.3 by default — it’s still our…