1<?php
2class HTML2PS_XMLUtils {
3  function valid_attribute_name($name) {
4    // Note that, technically, it is not correct, as XML standard treats as letters
5    // characters other than a-z too.. Nevertheless, this simple variant
6    // will do for XHTML/HTML
7
8    return preg_match("/[a-z_:][a-z0-9._:.]*/i",$name);
9  }
10}
11?>