<?php
$xml='<?xml version="1.0" encoding="utf-8"?> <rss xmlns:yandex="http://n...content-available-to-author-only...x.ru" xmlns:media="http://s...content-available-to-author-only...o.com/mrss/" version="2.0">
<channel> <image> <url>http://ru/img.jpg</url> </image> <item> <title>Smart Search</title> <link>http://.ru/index.php/item/70-smart-search</link> <description> ...</description> <image_item>/var/www/user36565/data/www/*.ru/media/k2/items/cache/3749aaa8ee129d7e919bddcc7e09cd36_L.jpg</image_item> <category>Utility Modules</category> <pubDate>Tue, 17 Jan 2012 03:42:36 +0000</pubDate> <yandex:full-text></yandex:full-text></item></channel></rss>';
 
$xml = simplexml_load_string($xml); 
$s = $xml->channel->item;
echo $s->title;

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