<?php
$xml = <<<'XML'
<item>
<title>title sdfs </title>
<description>description text</description>
<link>site.com/1</link>
<item_news>
<item_news_title>text 1</item_news_title>
<item_news_description>description text 1</item_news_description>
<item_news_url>google.ru</item_news_url>
</item_news>
<item_news>
<item_news_title>text 2</item_news_title>
<item_news_description>description text 2</item_news_description>
<item_news_url>google.com</item_news_url>
</item_news>
</item>
<item>
<title>title sdfsdd </title>
<description>description text 2</description>
<link>site.ru/2</link>
<item_news>
<item_news_title>text 3</item_news_title>
<item_news_description>description text 3</item_news_description>
<item_news_url>google.de</item_news_url>
</item_news>
<item_news>
<item_news_title>text 4</item_news_title>
<item_news_description>description text 4</item_news_description>
<item_news_url>google.fr</item_news_url>
</item_news>
</item>
XML;
$data = new SimpleXMLElement('<data>' . $xml . '</data>');
for($i = 0; $i < 2; ++$i) {
$item = $data->item[$i];
echo "<h3>". $item->title . "</h3>", PHP_EOL;
echo $item->link."<br/>", PHP_EOL
; echo $item->description."<br/>", PHP_EOL;
foreach($item->item_news as $news) {
echo $news->item_news_title, PHP_EOL;
}
echo '--------------------------', PHP_EOL;
}