PHP is an cross-platform embedded scripting language.
While that doesn't sound like much, PHP is extremely
powerfultake our word for it. PHP can be
used to add limitless functionality to your web
site. From small tasks like form processing and
mailing list management to larger tasks like e-commerce
and content management. PHP is also one of the
easiest ways to interact with your MySQL database
and (with some work) can be used together to build
a database driven web site.