$xpath = new DOMXpath($doc);
- $ts = $xpath->query("//table[@id='converter_table']");
+ $elements = $xpath->query("//td[@id='content_section']/table/tr[last()]/td/table/tr[1]/td[last()]");
+
+ $rate = empty($elements->item(0)->nodeValue) ? 0 : $elements->item(0)->nodeValue * 1;
- $elements = $xpath->query("td[@id='content_section']", $ts->item(0));
- print_r($elements);
}