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

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array keys


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

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

1 Answer

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

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

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