Thursday, 11 August 2011

PHP Basics

Introduction About PHP : 
  • PHP originally stood for "Personal Home Page", it is now said to stand for "Hypertext Preprocessor" that a powerful tool for making dynamic and interactive Web pages and also commonly developer is used to create personal home pages.
  • PHP was developed by Rasmus Lerdorf  in 1995 .
  • PHP was influenced and invented by C, Perl, Java, C++, Tcl.
  • PHP is an open source software and free to download and use
  • PHP supports many databases (MySQL, Informix, Oracle, Sybase, Solid, PostgreSQL, Generic ODBC, etc.)
File Extensions in PHP :

  • PHP files can contain text, HTML tags and scripts
  • PHP files are returned to the browser as plain HTML
  • PHP files have a file extension of ".php", ".php3", or ".phtml"
PHP Dowload and Installation :
   Refer this url  http://www.apachefriends.org/en/xampp.html
after download install XAMPP server in your machine [ Ex :C or D Drive] and activate the XAMPP Control Panel as in the following.



After activation of xampp server you put your php file in this path.
  Ex :C:\xampp\htdocs\sample.php
 You can run this program in browser following path
  http://localhost/sample.php

Basic PHP Syntax :


File Name : sample.php



    <?php
        echo "god";
    ?> 



output :
  
        god