Example

require_once "XML/Util.php";

// creating an XML tag
$tag = XML_Util::createTag("xsl:stylesheet", array("version" => "1.0"), "Place your content here", "http://www.w3.org/1999/XSL/Transform");

// verify tag name
$result = XML_Util::isValidName("my Tag");
if (PEAR::isError($result)) {
    print "Invalid XML name: " . $result->getMessage();
} else {
    print "Tagname is valid.";
}