…In an associative array, the elements key acts as a sort of label.…And when looping through an associative array, you…have the option to work only with the…array values or with both the keys, in…other words the labels, and the values independently.…If you're interested only in the value of each array element, you can use a for…each loop in exactly the same way as…earlier in this chapter with an indexed array.…That's one that…uses numbered keys.…Let's refresh our memory of how that's done.…Let's imagine that all we want to do is to…display the content of each tag line in this features array.…
So we just scroll down a bit further into the page…and under this h2 heading here, we'll add a PHP block.…And inside the block we want a foreach…loop, foreach, remember, is written as single word.…Don't split them up. And the condition goes in parentheses.…It's the features array.…And then we use the AS keyword to assign…the value of each element to a temporary variable.…Doesn't matter what you call it, but seeing as we've got…
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: Looping through an array's labels and values