July 2025
Beginner
768 pages
16h 54m
English
Content preview from PHP, MySQL, & JavaScript All-In-One For Dummies, 2nd Edition
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Chapter 2
Implementing an Object-Oriented Application
IN THIS CHAPTER
Handling web events
Creating code to work with objects
Test-driving your application
If you’ve just finished reading through Chapter 1 of this book, take a moment and take a deep breath! You did a lot of work preparing the database, PHP objects, and the HTML and CSS templates required for the AuctionHelper application. This chapter walks through how to create the rest of the PHP code required to complete the application. First, it walks through the overall layout of the AuctionHelper application links and buttons, and it discusses how to handle the browser events triggered by them. Those are how your application users interact with the website. Then it goes through all the PHP code required to work with the bidder and item objects that you’ve already created. Finally, the chapter finishes by discussing how to test out an application to ensure things are working correctly.
Working with Events
Web-based applications use what’s called event-driven programming. In event-driven programming, the flow of the program is based on events that the program user generates from the user interface. The program displays the ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.