The role of a PHP developer is to develop a programs, applications, and web sites using the dynamic scripting language PHP. The language is also known for web development and business applications. PHP developers may be classified as software developers or web developers as the language is so ubiquitous in web site development and business, if you wish to be a self-employed or contract developers PHP developer is by far good option. The developer (PHP) may create user interfaces (UI) or work behind the scenes and this language is frequently used in combination with SQL for databases. For basic website functions like accepting username and passwords and managing guest books It can be used.