PHP is a website programming language. It’s the World Wide Web's most popular code, estimated to power over 80% of websites, including the likes of Facebook and Wikipedia. In December 2015, a major new version of PHP was released: PHP 7. PHP 7 is the first major upgrade to the language for more than decade. The main improvement is speed. PHP 7 is estimated to be around twice as quick as the previous version. It's also more memory efficient, using as little as half the amount of memory as before. There are also other benefits that programmers can use to enhance websites. However, there's one