Introduction to php

Introduction to php

PHP TRAINNING IN GANDHINAGAR

Shreedhoon Infotech

http://www.shreedhoon.com/training/index.php

Background

• PHP is server side scripting system• PHP stands for "PHP: Hypertext Preprocessor"• Syntax based on Perl, Java, and C • Very good for creating dynamic content• If you want to focus on one system for dynamic

content, this is a good one to choose


History

• Started as a Perl hack in 1994 by Rasmus Lerdorf (to handle his resume), developed to PHP/FI 2.0

• By 1997 up to PHP 3.0 with a new parser engine by Zeev Suraski and Andi Gutmans

• Current Version of Php is 5.6.0 Released on 28-Aug-2014.

• In which all OOPs concepts are briefly taken on it.


PHP Scripts

• Typically file ends in .php--this is set by the web server configuration

• The PHP script starts with a <?php tag and ends with ?>

Example : <?php echo “A simple PHP Script.”; ?>


PHP Scripts

• You can alternatively start your PHP scripts with the <script> tag as follows :

Example : <script language="PHP"> echo "A simple intial script."; </script>


PHP Scripts

• If have short_open_tag enabled in its configuration file, you can use <? and ?>

Example : <? echo 'this code is within short tags'; ?>


PHP Scripts

• If asp_tags is enabled in the PHP configuration file, you can use <% and %> as delimiters.

Example : <% echo 'You may optionally use ASP-style tags';

%>


Two Ways

• You can embed sections of php inside html:

• Or you can call html from php:

<BODY> <?php

echo "Hello World!"; ?></BODY>

<?phpecho "<html><head><title>Howdy</title>…?> PHP TRAINNING IN GANDHINAGAR

How PHP Pages are Accessed and Interpreted

Address :

Shreedhoon Infotech

443, Third Floor, Sec- 16 shopping center, Nr, Petrol Pump, Gandhinagar - 382016, Gujarat, India.

Phone: (+91)98-98-843264

Email: [email protected]

Shreedhoon Infotech


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Introduction to php