Namespace Pitfalls with PHP's SimpleXML
When parsing XML documents with PHP's SimpleXML, custom namespaces can pose a challenge. Consider the following XML with a custom namespace:
<code class="xml"><?xml version="1.0" encoding="utf-8"?> <rss version="2.0" xmlns:moshtix="http://www.moshtix.com.au"> <channel> <item> <link>qweqwe</link> <moshtix:genre>asdasd</moshtix:genre> ...</code>
To access elements within such namespaces, SimpleXML's default behavior isn't straightforward. Here's how to overcome this challenge:
Solution: Utilize children() with Namespace Argument
The children() method of SimpleXML allows you to filter elements based on namespaces. Pass it the namespace prefix and true as the second argument to also retrieve the namespace information:
<code class="php">$rss = simplexml_load_string(...); foreach ($rss->channel as $channel) { echo 'link: ', $channel->link, "\n"; echo 'genre: ', $channel->children('moshtix', true)->genre, "\n"; }</code>
In this example, the output would be:
link: qweqwe genre: asdasd
By using this approach, you can effectively access and utilize elements within custom namespaces when parsing XML documents with PHP's SimpleXML.
The above is the detailed content of How to Access Elements Within Custom Namespaces Using PHP's SimpleXML?. For more information, please follow other related articles on the PHP Chinese website!