Once you have found a subject by ID and created your own version of the find page ID, you can refactor the page selection. This will make it possible to define the page ID in order to clean up the display of these elements. This tutorial describes the process of refactoring the page selection in MySQL.
At the end of the last movie I gave you an assignment to try for yourself. …That is to take everything that we learned about find subject by ID and to …create your own version of find page ID. Hopefully that went well for you. …We'll take a look at the results to make sure that we have the same thing and then …we'll talk about how we can refactor the page selection. …So the first thing we're going to look at is functions.php and I've got find_page_by_id. …It's a pretty simple function for you to create because you can actually just take find_subject_by_id. …Copy it and then just change every instance of the word subject to say page …instead.It's exactly the same thing. And in fact this is the same thing that …you use every time you want to read back a single record from the database.…
Find whatever it is by ID. It's going to look very similar to this. …So this is a good template to keep around and reuse. …If you don't have the same thing as me, go ahead and pause the movie and you can …
- What is PHP?
- Installing and configuring PHP and MySQL
- Exploring data types
- Controlling code with logical expressions and loops
- Using PHP's built-in functions
- Writing custom functions
- Building dynamic webpages
- Working with forms and form data
- Using cookies and sessions to store data
- Connecting to MySQL with PHP
- Creating and editing database records
- Building a content management system
- Adding user authentication
Skill Level Beginner
Q: This course was revised on 6/4/2013. What changed?
A: The old version of this course was 6 years old and it was time for a complete revision, using PHP 5.4. (The tutorials will work with any version of PHP and covers any differences you might encounter). The author has also added updated installation instructions for Mac OS X Mountain Lion and Windows 8. The topics and end project are the same, but the code is slightly different. It also addresses frequently asked questions from the previous version.
Q: This course was updated on 5/20/2015. What changed?
A: We added one movie called "Changing the document root in Yosemite," which helps the Mac installation run more smoothly.
1. PHP Overview
2. Mac Installation
3. Windows Installation
4. First Steps
5. Exploring Data Types
6. Control Structures: Logical Expressions
7. Control Structures: Loops
8. User-Defined Functions
10. Building Web Pages with PHP
11. Working with Forms and Form Data
12. Working with Cookies and Sessions
13. MySQL Basics
14. Using PHP to Access MySQL
15. Building a Content Management System (CMS)
16. Using Site Navigation to Choose Content
17. Application CRUD
18. Building the Public Area
19. Regulating Page Access
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