PHP hosting is a server-side scripting environment that is used to create dynamic web pages. PHP is an abbreviation for Hypertext Preprocessor, an open source language widely used by programmers and web developers. The fact that it is open source gives it a lot of advantages over proprietary programming languages. Due to this reason, PHP has been the most famous server-side scripting language and almost all hosting providers offer PHP hosting services nowadays.

PHP is an object oriented language. The way PHP hosting works is that the web server would filter a request document using PHP and generates the output from PHP to the web browser. These documents are usually in HTML format with PHP tags inside. The tags can be run on both Windows and UNIX servers. In terms of output text, PHP is capable to generate any format such as XHTML and XML.

With PHP, web developers would be able to perform any CGI tasks, such as generate dynamic contents or send and receive cookies. PHP is also capable of outputting PDF files, Flash videos and images on the fly at high speed. This is possible due to its ability to save the required files in its file system and forming a server-side cache.

There are a host of advantages of using a PHP hosting. For beginners, it is a relatively easy language to learn and work on. While for seasoned developers, there are a lot of advanced applications and features that comes with PHP hosting. In terms of cost, it is one of the cheapest hosting solutions as it is an open-source technology. There are also programming tools that come free with PHP hosting, contributed by programmers worldwide.

PHP is especially strong in relational databases, which are used for dynamic contents, product catalogs and e-commerce applications. The relational database application that comes with PHP is called MySQL, which is also open-source. It is known for its high reliability, precision and flexibility. These advantages have made it the more preferred alternative compared to proprietary databases systems.

Overall, PHP hosting is one of the most complete hosting packages available in the industry. It is perfect both for beginners who require easy-to-use hosting services and for advanced users who require powerful web applications. The value that it offers is even more significant due to its inexpensive pricing, especially compared to proprietary hosting services.