PHP - Extract node value from nested xml file

Question

I have I'm trying to get the "extract" node value from an xml file/url. Below is my code, but I'm not getting any output.

<?php
$url = "https://en.wikipedia.org/w/api.php?format=xml&action=query&prop=extracts&exintro=&explaintext=&titles=unix";
$xml = simplexml_load_file($url);

echo $xml->extract ;
?>

Any help would be greatly appreciated.

Chris · Accepted Answer · 2017-09-09 20:22:15Z

2

$xml->extract would work if the node was a direct child of the xml file.

After looking at the api response, I am able to get and display the extract node using the full path:

$url = "https://en.wikipedia.org/w/api.php?format=xml&action=query&prop=extracts&exintro=&explaintext=&titles=unix";
$xml = simplexml_load_file($url);
echo $xml->query->pages->page->extract ;

answered Sep 9, 2017 at 20:22

Chris

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