<?php
require_once 'XML/Serializer.php';
require_once 'XML/Unserializer.php';
$unserializer = new XML_Unserializer();
$unserializer->unserialize('artykuly.xml', true);
$artykuly = $unserializer->getUnserializedData();
foreach ($artykuly['artykul'] as $k => $artykul) {
$serializer = new XML_Serializer();
$options = array(
'addDecl' => true,
'indent' => ' ',
'rootName' => 'artykul',
'encoding' => 'utf-8'
);
$serializer->setOptions($options);
$serializer->serialize($artykul);
$wynik = $serializer->getSerializedData();
file_put_contents('artykuly/' . $k . '.xml', $wynik);
}