You can make your webpages more dynamic by using URL query parameters to get data from users and to pass values between pages. URL query parameters are found after the question mark. This video, part of the PHP with MySQL series, shows you how PHP stores the parameters in a super global associative array called GET and how using GET values is the best way to access data.
In this movie, we'll learn how to send a value from one page to the next by using …the URL query parameters. The query parameters are the part of the …URL that comes after the question mark. This is typically were you send …additional parameters that the page needs. …The format is always the name of the parameter, an equals sign and then the …value of the parameter. Often these parameters modify the …behavior of the code used to generate the returned HTML. …For example, somepage.php?page=2 would process the same PHP code but the content …return would probably be modified. It would do something like return a …second page of search results. And you can send more than one query …parameter in the URL by using an ampersand between each one of these parameters.…
You can surf around the web and see lots of examples on sites like Google and …Amazon where you can see these query parameters being used. …It happens all over the web. Now in PHP whenever a page request is …made, PHP is automatically going to take all of those query parameters that were …
- 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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