PHP Introduction

What is PHP? 

PHP (recursive acronym for PHP: Hypertext Preprocessor) is a widely-used open source general-purpose scripting language that is especially suited for web development and can be embedded into HTML.

  • PHP stands for PHP: Hypertext Preprocessor.
  • It is a server-side scripting language.
  • PHP supports many databases (MySQL, Informix, Oracle, Sybase, Solid, PostgreSQL, Generic ODBC, etc.).
  •  PHP is an open source software and  free to download and use

What is a PHP File?

  • PHP files can contain text, HTML tags and scripts other words it contain both server side or client side language
  • PHP files are returned to the browser as plain HTML .
  • PHP files extension  .php, .php3  or.phtml

What is MySQL?

MySQL is a open source Relational Database Management System. MySQL is very fast reliable and flexible Database Management System. It provides a very high performance and it is multi threaded and multi user Relational Database management system.

MySQL are very fast and much reliable for any type of application.
MySQL is very Lightweight application.
MySQL command line tool is very powerful and can be used to run SQL queries against database.
MySQL Supports indexing and binary objects.
It is allow changes to structure of table while server is running.
MySQL has a wide user base.
It is a very fast thread-based memory allocation system.
MySQL Written in C and C++ language.
MySQL code is tested with different compilers.
MySQL is available as a separate program for use in a client/server network environment.
The MySQL available for the most Unix operating platform.
MySQL are the available for window operating system window NT, window 95 ,and window 98.
MySQL available for OS/2.
Programming libraries for C, Python, PHP, Java , Delphi etc. are available to connect to MySQL database.


PHP combined with MySQL are cross-platform  you can develop in Windows and serve on a Unix platform.

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