(PHP 4 >= 4.1.0)
DomElement::get_attribute_node — Returns the node of the given attribute
$name
   )Returns the node of the given attribute in the current element.
nameThe name of the seeked attribute. This parameter is case sensitive.
   Returns the node of the attribute as a DomAttribute
   or FALSE if no attribute with the given name is
   found.
  
Example #1 Getting an attribute node
<?php
include("example.inc");
if (!$dom = domxml_open_mem($xmlstr)) {
    echo "Error while parsing the document\n";
    exit;
}
$root = $dom->document_element();
if ($attribute = $root->get_attribute_node('language')) {
    echo 'Language is: ' . $attribute->value() . "\n";
}
?>