Learn PHP (hypertext Preprocessor ) Introduction to php

INTRODUCTION TO PHP  

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What is PHP 

• PHP stood for Personal Home Page, it now stands for (PHP: Hypertext Preprocessor), which is a recursive acronym.  
• PHP scripts are executed on the server, and a powerful tool for making interactive and dynamic Web pages.  
• PHP is a widely-used, free, and open source scripting language. 

• It is also easy enough to be a beginner's first server side language. 
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What PHP can do? 

• PHP can create, open, read, write, delete, and close files on the server  
• PHP can collect form data. 

• PHP can add, delete, modify data in your database  
• PHP can send and receive cookies 
• PHP can encrypt data  
• PHP can be used to control user-access  
• With PHP, you are not limited to output HTML.  

• You can output Images, PDF files, Flash movies, XHTML, XML