$rss = simplexml_load_file('https://example.com/currency-feed.xml');
$currencyCode = 'TRY'; // или друг
foreach ($rss->channel->item as $item) {
    if (strpos($item->title, $currencyCode) !== false) {
        echo "📈 $item->title – $item->description (от: $item->pubDate)";
        break;
    }
}