…The order confirmation page of the Hansel and Petal site processes the post…array after the user submits the form from the build a bouquet page.…But the script in this page doesn't do anything to preserve the data.…So there would be no data for this Confirm Order button to process.…Now, we won't be going as far as building a complete e-commerce site in this course.…But let's see how to use session variables to preserve…data from page to page. So, let's go to the editing program.…
And it's order.php that we've got open.…Before you can use session variables, you need…to create a PHP session with session start.…And we're going to need the session variables in this…page even if it's accessed without clicking the bouquet submit button.…So, sessions start must go outside the if statement…at the top. So, let's put it on line two.…Session_start, then an empty pair of parentheses, and a semi colon.…
That gives us access to a session and to session variables.…The data that needs to be preserved is currently stored in the color, quantity,…
Author
Released
12/9/2013Note: This course was recorded with Adobe Dreamweaver, but you can use the code editor of your choice to follow along.
- How to use PHP in a webpage
- Storing and displaying text and numbers in variables
- Using functions
- Adding comments to your PHP scripts
- Moving common page elements to include files
- Displaying different content on a page
- Working with multiple values in arrays and loops
- Getting form input sent by the POST method
- Using PHP sessions to preserve data
- Storing data in session variables
- Connecting to and querying a database
- Handling errors
Skill Level Beginner
Duration
Views
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Introduction
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Welcome1m 30s
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Using the exercise files5m 13s
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1. Introduction to PHP
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How to use PHP in a web page6m 43s
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2. Using Server-Side Includes for Common Page Elements
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3. Using Conditions to Change Page Output
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How PHP makes decisions3m 30s
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4. Working with Multiple Values in Arrays and Loops
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Labeling array elements7m 21s
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5. Getting User Input from a Form
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Calculating the order total6m 34s
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6. Displaying Content from a Database
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Loading data into MySQL5m 37s
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Connecting to the database7m 47s
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Querying the database6m 15s
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Linking to a details page2m 40s
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7. Handling Errors
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Dealing with PHP errors4m 15s
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Tracking down parse errors4m 32s
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Conclusion
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What's next?2m 26s
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Video: Storing data in session variables