Beginner PHP programmers first learn how to echo outputs to the user's screen. In reality, this is not the most common way to use an output. You might, for instance, need to send the output to another variable, where it undergoes further processing. Use this online video to learn how you can add flexibility to your PHP in MySQL code by returning values from a function instead of always echoing values to the screen.
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All of our functions, so far, have been using echo to send output to the user's screen. …But more often than not, we don't want that behavior. …Usually, we'd like to get a result back from the function, and then decide what …to do with that result ourselves. We might end up deciding to echo it to …the screen, but we might instead take that value and continue to use it to do …more processing. If it outputs from inside the function, …then we lose that flexibility. It's better to get back a value. …And for that, we need to understand, how to return values from a function. …Let's open up basic.html, and we're going to do Save As on this.…
We're going to call this one functions_returnvalues.php. …(SOUND) Functions: Return Values. So let's just write a simple function here. …I've got an add function. It takes two arguments value 1 and value 2. …It adds them together and assigns them to sum. …So let's just load this up in Firefox to begin with. …Let's bring this up. And instead of functions arguments, …
- 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
PHP with MySQL Beyond the Basicswith Kevin Skoglund10h 26m Intermediate
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
Next steps2m 4s
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