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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Analytics\ReportXml\Config\Converter;
use Magento\Framework\Config\ConverterInterface;
/**
* A converter of reports configuration.
*
* Converts configuration data stored in XML format into corresponding PHP array.
*/
class Xml implements ConverterInterface
{
/**
* Converts XML node into corresponding array.
*
* @param \DOMNode $source
* @return array|string
*/
private function convertNode(\DOMNode $source)
{
$result = [];
if ($source->hasAttributes()) {
$attrs = $source->attributes;
foreach ($attrs as $attr) {
$result[$attr->name] = $attr->value;
}
}
if ($source->hasChildNodes()) {
$children = $source->childNodes;
if ($children->length == 1) {
$child = $children->item(0);
if ($child->nodeType == XML_TEXT_NODE) {
$result['_value'] = $child->nodeValue;
return count($result) == 1 ? $result['_value'] : $result;
}
}
foreach ($children as $child) {
if ($child instanceof \DOMCharacterData) {
continue;
}
$result[$child->nodeName][] = $this->convertNode($child);
}
}
return $result;
}
/**
* Converts XML document into corresponding array.
*
* @param \DOMDocument $source
* @return array
*/
public function convert($source)
{
return $this->convertNode($source);
}
}