What is PHP?

Introduction

PHP is acronym of Hypertext Preprocessor (PHP) is a programming language that allows web developers to create dynamic content that interacts with databases.PHP is basically used for developing web based software applications.

PHP started out as a small open source project that evolved as more and more people found out how useful it was. Rasmus Lerdorf unleashed the first version of PHP way back in 1994.

Example #1 An introductory example

 

Uses of PHP

PHP has now become a poupular scripting language among web developer due to the following reasons −

  • PHP performs system functions, i.e. from files on a system it can create, open, read, write, and close them.
  • PHP can handle forms, i.e. gather data from files, save data to a file, through email you can send data, return data to the user.
  • You add, delete, modify elements within your database through PHP.
  • Access cookies variables and set cookies.
  • Using PHP, you can restrict users to access some pages of your website.
  • It can encrypt data.

Characteristics

Five important characteristics make PHP’s practical nature possible −

  • Simplicity
  • Efficiency
  • Security
  • Flexibility
  • Familiarity

 

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1 Comment

  1. joshep
    joshep | | Reply

    This is very help full.

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