- simplexml_load_string: documentation ( source)
<?php
$xml = '<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://purl.org/rss/1.0/" xmlns:cb="http://www.cbwiki.net/wiki/index.php/Specification_1.1" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.w3.org/1999/02/22-rdf-syntax-ns# rdf.xsd">
<script id="tinyhippos-injected"/>
<channel rdf:about="http://www.federalreserve.gov/releases/H15">...</channel>
<item rdf:about="http://www.federalreserve.gov/releases/H15#1">
<title>
US: H15 0.41 2014-10-22 FRB Market yield on U.S. Treasury securities at 2-year constant maturity, quoted on investment basis
</title>
<link>http://www.federalreserve.gov/releases/H15#1</link>
<description>...</description>
<dc:date>2014-10-22T12:00:00-05:00</dc:date>
<dc:language>en</dc:language>
<dc:creator>FRB</dc:creator>
<cb:statistics>
<cb:country>US</cb:country>
<cb:institutionAbbrev>FRB</cb:institutionAbbrev>
<cb:otherStatistic>
<cb:value decimals="2" unit_mult="1" units="Percent:_Per_Year">0.41</cb:value>
<cb:topic>H15</cb:topic>
<cb:coverage>
Market yield on U.S. Treasury securities at 2-year constant maturity, quoted on investment basis
</cb:coverage>
<cb:observationPeriod frequency="business">2014-10-22</cb:observationPeriod>
<cb:dataType/>
</cb:otherStatistic>
</cb:statistics>
</item>
</rdf:RDF>';
$xml = simplexml_load_string( $xml);
foreach( $xml->xpath( './/child') as $child) {
echo $child->attributes()['name'] . "\n";
}