We are several technologies available in the market for developing web applications, but still PHP is an appealing choice for developers. There are several reasons to support this statement. First and the foremost is in-built libraries for direct image and PDF documents creation. Secondly, it's free and affordable. Thirdly, while connecting to MySQL or Postgres database, PHP is the best choice. Moreover, it can be easily learned and give programmers a wide range of flexibility for developing web applications.
PHP which was initially called as Personal Home Pages, now known as Hypertext Preprocessor. It's an Open Source, industry standard language which is used to develop website applications, including ecommerce and content management systems for websites.
As more and more commercial, charitable and educational organizations sought to develop and maintain sites containing dynamic client-server functionality; cheap and functional solutions became commercially viable. Web communities that had no financial goals also wished for full- featured sites with, say, chat or forum functionality. These solutions needed to cost little and be implemented quickly. Also, PHP do supports advanced technologies such as XML, XSL, and COM. Because of all this, need of PHP developer is continously increasing day by day and one won't be surprise to see millions of domains using PHP programming language.
We opt for PHP when a project is to be done fast but functionality is at its premium. So, The corporate web sites, web portals or simple e-shops compiled out of numerous ready-made and reliable solutions scattered over the Internet comprise our PHP sector.