CHAPTER 4
Secured User Interfaces
“All great ideas look like bad ideas to people who are losers. It’s always good to test a new idea with known losers to make sure they don’t like it.” —Dilbert 11/18/97 (http://dilbert.com/strips/comic/1997-11-18/)
Chapter Objectives/Student Learning Outcomes
After completing this chapter, the student will be able to:
- Explain why user input must be validated in the interface and business rules tiers
- Explain why user input must be filtered in the business rules tier
- Use HTML5 code to validate user input
- Use JavaScript code to validate user input
- Use PHP if statements (conditional statements) to validate and ...
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