CHAPTER 2

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Interfaces, Platforms, Containers, and Three-Tier Programming

“As of January 2013, PHP was installed on more than 240 million web sites (39% of those sampled) and 2.1 million web servers.”

—Ide, Andy (2013-01-31). PHP Just Grows & Grows

Chapter Objectives/Student Learning Outcomes

After completing this chapter, the student will be able to:

  • Give examples of platforms or containers that can host PHP programs
  • Create a simple dynamic web application using PHP
  • Explain three-tier design and determine what is contained in each tier
  • Design a three-tier application
  • Explain each step of the program development lifecycle (PDLC)
  • Define and ...

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