Web Developments undergo the same unit integration and system testing as traditional desktop applications. But because web application clients vary so greatly, teams might perform some additional testing, such as:

PHP is an open source scripting language which is commonly used for web development dynamic database driven Websites and Web Application Development. Being a robust, server side application it provides a lot of functionalities in the web development sphere with good system security and functional ease. Over the years PHP Web Development has been continuously updated which has made PHP highly interactive and allows creating applications and websites which have been used at a mass scale in today's technological world.

Advantages of PHP which showcases why PHP Web Development has spread world over and has taken over other commonly used programming languages.

Cost Factor: Being an open source language, PHP is free thus reducing not just the initial investment but also the implementation, maintenance and debugging costs involved in the web development cycle

Reliability and Performance: Linux platform is considered much more reliable(less down time) than other platforms such as Windows. Also, there are many ways by which one can increase the performance such as optimizing the scripts, the server, the SQL database etc.

Security: PHP which runs on Apache server which is much more robust and secured if compared to other languages such as ASP.NET which runs on IIS.