What is PHP and what allows?
PHP "PHP: Hypertext Preprocessor" is a very advanced Open Source scripting language for the creation of a Web site. Allows relatively easy programming server-side applications. This means that the browser sends a message to the server to evaluate the page and returned it. The Server then returns the page back as it would return a static page in html. The syntax of the language is very similar to languages such as C, Java or Pearl. PHP is an object-oriented language, especially in the last version 5, but is not a condition of the type object.
In conjunction the scripting language PHP and the MySQL database system, so there is a powerful tool for the creation of complex, yet very powerful and stable Internet presentations or applications.