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Web Technologies-I Sarabjit Kumar, Lovely Professional University

Notes Unit 9: Web Techniques

CONTENTS
Objectives
Introduction

9.1 HTTP Basics
9.1.1 Request and Response
9.1.2 The HTTP Header
9.2 Web Variables
9.3 Server Information
9.4 Processing Forms
9.4.1 Create the Form
9.4.2 Getting the Form Data in the PHP Script
9.4.3 Validating the Form Data
9.4.4 Saving the Form Data to a MySQL Database

9.4.5 Program for Processing Form
9.5 Setting Response Headers
9.5.1 Different Content Types
9.5.2 Redirections
9.5.3 Expiration
9.5.4 Authentication
9.6 Maintaining State
9.6.1 Cookies
9.6.2 Sessions
9.6.3 Combining Cookies and Sessions
9.7 Security Socket Layer(SSL)
9.7.1 Enabling and Disabling SSL Support
9.7.2 Licensing Information

9.8 Summary
9.9 Keywords
9.10 Review Questions
9.11 Further Reading

Objectives

After studying this unit, you will be able to:

• Understand the concepts of HTTP
• Discuss the Web variables

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