Facebook has released a programming language called Hack, which marries the ease of PHP with the rigorous safety controls of older languages such as C++. PHP programmers should easily understand ...

PHP is used by 76.5% of all the websites whose server-side programming language we know. Alternatives such as ASP.net, Ruby, Java, and JavaScript don’t even come close to this share of the market.

You need to find a programming tutorial (that uses PHP) and start from there. If that's the level you're starting from, just creating this thread and asking questions is going to be way too ...

Facebook has released a programming language called Hack, which marries the ease of PHP with the rigorous safety controls of older languages such as C++. PHP programmers should easily understand ...