gistfile1.php

<?php
error_reporting(E_ERROR);

$html = file_get_contents("http://finance.yahoo.com/futures?t=energy");
$dom = new DOMDocument();
$dom->recover = true;
$dom->strictErrorChecking = false;
$dom->loadHTML($html);

$table = $dom->getElementsByTagName('table');
echo "Table: <br/>"; 
print_r($table);
?>