<?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;
}