Php is a programming language mainly developed for web programming. Php language is created by Rasmus Lerdorf in 1994. Php have different version those have create in history. Most recent version of Php is 7.0 but the 5.X series Php is most popular version.
Php gets it features from different languages like C, C++, Java etc. Php supports class, inheritance, primitive types, file operations. Php generally used in server side applications. Php also works with JSON seamlessly.
Php is an interpreted language. This makes Php different from C,C++ etc. Php code do not need to be compiled which is the previous step before execution. Php interpreter reads the Php code or script. Php code and script generally means same thing.
Easy To Learn
Php is an easy to learn language. As stated before PHp inherited most of the features from C but it prevented complicated or error prone features of C too.
Php is opensource language. Actually its interpreter is developed in a open source soul. Php interpreters for different operating system binaries and source code can be downloaded from following page.
Php code is portable. Portability means code written in a platform can be run another platform. This is also called cross platform. For example the code written in Windows 10 can be run in a Linux Debian 8 operating system if the required interpreter is installed.
Php is very popular programming language. Especially in web development there is a huge community or communities because there are a lot of communities in different countries and regions. You can get answer every question or problem you have in forums, stackoverflow.com etc.
Php supports most of the databases. But there is some special relation with MySQL database. Php generally matched with MySQL to store data about applications. WAMP bundle provides Windows+Apache+MySQL+PHP in a single installation file.