XMLReader
The XMLReader extension is an XML Pull parser. The reader acts as a cursor going forward on the document stream and stopping at each node on the way.
<?php
//creating an XML documents that is to be parsed using XML reader to retrieve the contents
$xmlDocument = '<?xml version="1.0"?>
<books>
<book>
<title>Les miserables</title>
<genre>Novel</genre>
</book>
<book>
<title>The old man and the sea</title>
<genre>Novel</genre>
</book>
<book>
<title>The journey to the west</title>
<genre>Epic</genre>
</book>
</books>';
//declaring an instance of XML Reader
$xml = new XMLReader();
$xml->XML($xmlDocument);
//parsing the contents of the XML document and retrieving the required contents from the document
echo "List of the book titles:\n";
while( $xml->read() )
{
if ($xml->name === 'title') {
print $xml->readInnerXML().PHP_EOL;
$xml->next();
}
}
?>