1. PHP Basics and Syntax
Lesson 3
ITBS2203 E-Commerce for IT

2. Software needed in developing E-commerce Application
SERVER
WAMPSERVER
SCRIPTING LANGUAGE
PHP
DATABASE MANAGEMENT SYSTEM
MySQL
TEXT EDITOR
Notepad++
WEB USER INTERFACE DESIGNER
Microsoft Expression Web
ITBS2203 E-Commerce for IT

3. WAMPSERVER
ITBS2203 E-Commerce for IT

4. What is PHP? Recursive acronym for PHP: Hypertext Preprocessor
Open Source general purpose scripting language
Server-side scripting language
Cross-platform
Embedded into HTML
Syntax almost similar to C, C++, Java
Pervasive tools for web applications
ITBS2203 E-Commerce for IT

5. Features of PHP
PHP is excellent for creating dynamic Web sites based on database content or different characteristics of browsers.
build templates to ease site maintenance
create graphics on the fly
serve different content to users based on their browser, conduct online surveys
connect databases like Oracle, Informix or MySQL to the Web
And many others
ITBS2203 E-Commerce for IT

6. Why Choose PHP? Free to download and use Open source software
Easier to learn
PHP5 now offers many object orientated development concepts
Runs on Apache server which is open source.
Has multiple platform support (Windows, Linux, Unix, etc.). You can develop in Windows and serve on a Unix platform.
Has a huge support to many databases as it is open source
ITBS2203 E-Commerce for IT

7. Where to download PHP http://php.net http://php.net/
ITBS2203 E-Commerce for IT

8. What is MySQL?
MySQL is a database server (relational Database Management System). It is the world's most popular open source database and it is free to download and use.
ITBS2203 E-Commerce for IT

9. Where to download MySQL
ITBS2203 E-Commerce for IT

10. PHP Basics and Syntax
PHP file is a text file and can be created by any text editor.
Open Notepad++
PHP file may contain HTML tags and/or PHP statements.
PHP file must be saved in the correct web directory (folder) of the web server called the document root(c:/wamp/www).
PHP files that includes PHP statements must be saved with the extension *.php
ITBS2203 E-Commerce for IT

11. PHP Basics and Syntax
All PHP statements must be enclosed within opening and closing tags.
<?php 
echo "<h1>Welcome to SCT.</h1>"; 
?>
ITBS2203 E-Commerce for IT

12. PHP Basics and Syntax PHP is case sensitive,
$name is different from $Name.
Comments can be made within the script, and are enclosed within "/*" and "*/" brackets. For example:
/* Comments can also be mixed with code,
see? */ $e = 5; /* This works just fine. */
ITBS2203 E-Commerce for IT

13. PHP Basics and Syntax
Output statement must be enclosed in double quotations (") or single quotation (’), and led by the echo or print statement.
Example :
echo “Hello world”;
echo ‘Hello world’;
PHP statement must end with semi-colon (;).
ITBS2203 E-Commerce for IT