Website Development

1
Website Development Management
CIT 3353 -- Fall 2005 www.clt.astate.edu/jseydel/m
is3353

• Basic Processing with PHP

Instructor John Seydel, Ph.D.
2
Student Objectives

• Upon completion of this class meeting, you
  should be able to
• Complete the previous in-class exercise
• Use PHP to access data sent via web forms
• Validate form data prior to processing
• Redirect pages to other files

3
Some Administrative Things

• Exam 1
• First, note that it has been postponed
• Tuesday (9/20)
• What to expect
• HTML (Chapters 1-3, 6)
• XHTML 1.0
• Basics elements/tags/attributes,
• Style rules
• Forms
• PHP (through Chapter 5)
• Basics variables, functions
• Form processing
• Server setup/organization/administration
• Quiz 2
• Return
• Comments
• Discussion

4
Some Modifications

• Scrap the XML declaration for PHP files
• Either form
• lt?xml version1.0 ?gt
• lt? print(lt?xml version1.0 ?gt\n) ?gt
• Causes problems between XML parser and PHP parser
• PHP initialization file
• error_reporting E_ALL E_NOTICE
• Restart Apache

5
Now, Back to the Exercise . . .
6
Note Some Server-Side Concepts

• Validation necessary for any real application
• Avoids GIGO syndrome
• Done
• At the client with JavaScript
• On the server with PHP (or whatever system is in
  place)
• Which is better . . . ?
• Redirection
• When change of control requires another file
• Often used when website is moved
• How header(Location . . . )

7
Summary of Todays Objectives

• Complete the previous in-class exercise
• Use PHP to access data sent via web forms
• Validate form data prior to processing
• Redirect pages to other files