XmlReader with node path

example.php

<?php
$reader = new SerginhoLD\Xml\XmlReaderWithNodePath();
$reader->open($xmlFilePath);

while ($reader->read())
{
    if ($reader->nodeType === \XMLReader::ELEMENT && $reader->getNodePath() === '/root/products/product')
    {
        // code
    }
}

XmlReaderWithNodePath.php

<?php
namespace SerginhoLD\Xml;

class XmlReaderWithNodePath extends \XMLReader
{
    private $nodePath = [];

    /**
     * @return bool
     */
    public function read()
    {
        $read = parent::read();

        if ($read && ($this->nodeType === self::ELEMENT || $this->nodeType === self::END_ELEMENT))
        {
            $this->nodePath[$this->depth] = $this->localName;
            $this->nodePath = array_slice($this->nodePath, 0, $this->depth + 1);
        }

        return $read;
    }

    /**
     * @return string|null "/root/products/product"
     */
    public function getNodePath()
    {
        return !empty($this->nodePath) ? '/' . implode('/', $this->nodePath) : null;
    }
}