What is PHP?

  • Rasmus Lerdorf unleashed the first version of PHP way back in 1994.
  • PHP (Hypertext Preprocessor) is a server site scripting language, and a powerful tool for making dynamic and interactive Web pages.
  • PHP is a open source and free Download.
  • PHP is a easy to use and most popular scripting language
  • PHP is basically used for developing web-based software applications
  • PHP files are saved with the ".php" file extension

Characteristics of PHP

  • Simplicity
  • Efficiency
  • Security
  • Flexibility
  • Familiarity

Applications of PHP

  • It can encrypt data.
  • PHP can generate dynamic page content
  • PHP can create, open, read, write and close files on the system.
  • PHP can collect data from files, save data in file, you can send data via email, return data to user.
  • PHP can send and receive cookies and session
  • Add, delete, modify components in that database.

Why PHP?

  • PHP runs on various platforms like Windows, Linux, Unix, Mac OS X etc.
  • PHP supports a big range of databases
  • PHP is compatible with almost all servers used today
  • PHP is a free Download and open source.
  • PHP is easy to learn and runs

Disadvantages of PHP:

  • PHP is not secure as it is open source.
  • Not good to create desktop applications.
  • Not suitable for large Web Applications
  • PHP does not allow changes to the main behavior of the web application