Welcome to the Treehouse Community

The Treehouse Community is a meeting place for developers, designers, and programmers of all backgrounds and skill levels to get support. Collaborate here on code errors or bugs that you need feedback on, or asking for an extra set of eyes on your latest project. Join thousands of Treehouse students and alumni in the community today. (Note: Only Treehouse students can comment or ask questions, but non-students are welcome to browse our conversations.)

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today.

PHP Build a Basic PHP Website (2018) Listing and Sorting Inventory Items Array Keys

Posted by Nobody Tebulo
Nobody Tebulo
13,233 Points

Oops! It looks like Task 1 is no longer passing.

array keys

index.php 
<?php

$books["978-0743261690"] = "Gilgamesh";
$books["978-0060931957"] = "The Odyssey";
$books["978-0192840509"] = "Aesop's Fables";
$books["978-0520227040"] = "Mahabharta";
$books["978-0393320978"] = "Beowulf";

?><html>
<head>
    <title>Five Great Books</title>
</head>
<body>
    <h1>Five Great Books</h1>
    <ul>
        <?php foreach($books as $book=>$isbn) { ?>
            <li><?php echo $book; ?><?php echo " ("; ?><?php echo $isbn; ?><?php echo ")"; ?></li>
        <?php } ?>
    </ul>
</body>
</html>

1 Answer

Patricia Hector
Patricia Hector
42,901 Points
Patricia Hector
Patricia Hector
42,901 Points

Your code is almost done. You just need to change the order of your $key=>$value in your foreach loop. The $isbn is the key, so it comes first.

<?php foreach($books as $isbn=>$book){}?>
Patricia Hector
Patricia Hector
42,901 Points
Patricia Hector
Patricia Hector
42,901 Points

And also check another way to echo out the same info (btw yours is fine)

<?php echo "$book ($isbn)"; ?>