Check if an element is an array in PHP
Description
The following code shows how to check if an element is an array.
Example
/* w w w .j av a 2s . co m*/
<?php
$xml = simplexml_load_file('test.xml');
?>
<html>
<head>
</head>
<body>
<?php
foreach ($xml->book as $book) {
echo '<h2>' . $book->title . '</h2>';
echo '<p class="author">';
if (is_array($book->author)) {
echo implode(', ', $book->author);
} else {
echo $book->author;
}
echo '</p>';
echo '<p class="publisher">' . $book->publisher . '</p>';
echo '<p class="publisher">ISBN: ' . $book['isbn13'] . '</p>';
echo '<p>' . $book->description . '</p>';
}
?>
</body>
</html>
The following code is for test.xml.
<?xml version='1.0' encoding='utf-8'?>
<inventory>// w w w . j a v a 2 s .com
<book isbn13='1'>
<title>PHP</title>
<author>Jack</author>
<publisher>Publisher 1</publisher>
<description>PHP Book</description>
</book>
<book isbn13='2'>
<title>XML</title>
<author>Jane</author>
<publisher>Publisher 2</publisher>
<description>XML Book</description>
</book>
</inventory>
The code above generates the following result.
