The goal of this tutorial is to teach you the basics of PHP so that you can: Customize PHP scripts that you download, so that they better fit your needs. Begin to understand the working model of PHP, so you may begin to design your own PHP projects. Give you a solid base in PHP, so as to make you more valuable in the eyes of future employers. PHP stands for PHP Hypertext Preprocessor. PHP Array Functions. PHP String Functions. w3schools PHP Tutorial.