load("tree.xml");
// Method 1: Using getElementsByTagName and nodeValue
$empname1 = $dom->getElementsByTagName("empname")->item(0)->nodeValue;
echo "Method 1 (nodeValue): $empname1
";
// Method 2: Using getElementsByTagName and childNodes[0]->nodeValue
$empnameElement = $dom->getElementsByTagName("empname")->item(0);
$empname2 = $empnameElement->childNodes[0]->nodeValue;
echo "Method 2 (childNodes[0]): $empname2
";
// Method 3: Using firstChild property directly
$empname3 = $empnameElement->firstChild->nodeValue;
echo "Method 3 (firstChild): $empname3
";
?>