Online PHP editor | output for M3qf2

@ 2013-07-09T10:03:22Z

<?php
/**
 * How to get attribute of node with namespace using SimpleXML?
 *
 * @link http://stackoverflow.com/q/6576773/367456
 */
$buffer = '<feed xmlns="http://www.w3.org/2005/Atom" xmlns:yt="http://gdata.youtube.com/schemas/2007">
    <entry>
        <yt:duration seconds="1870"/>
    </entry>
</feed>';

$xml = new SimpleXMLElement($buffer);

foreach ($xml->entry as $item)
{
    //original comment: how to get seconds?
    $namespaces = $item->getNameSpaces(true);
    $yt         = $item->children($namespaces['yt']);
    $seconds    = $yt->duration->attributes();

    echo $seconds['seconds']; // original comment: but doesn't work.
}

Output for 5.1.2 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: 1870
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.1: Fatal error: Call to undefined method SimpleXMLElement::getNameSpaces() in /in/M3qf2 on line 18
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9: Fatal error: Cannot instantiate non-existent class: simplexmlelement in /in/M3qf2 on line 13
Process exited with code 255.
Output for 4.3.0 - 4.3.1: Fatal error: Cannot instantiate non-existent class: simplexmlelement in /in/M3qf2 on line 13

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