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

Modify the code inside the foreach loop to display both the $title and the $isbn.

Modify the code inside the foreach loop to display both the $title and the $isbn. After the title, add a space, an opening parenthesis, the ISBN, and a closing parenthesis.

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 $isbn => $book) { ?>
            <li><?php echo $book; ?></li>
        <?php } ?>
    </ul>
</body>
</html>
travis spade
travis spade
9,816 Points

Since you have the ISBN in the variable $isbn you could use concatenation to add the space, parenthesis, and ISBN. Something like echo $book . " (" . $isbn . ")";