<?php
$file = "xmltest.xml";

function trustedFile($file) {
   // only trust local files owned by ourselves
   if (!eregi("^([a-z]+)://", $file)
       && fileowner($file) == getmyuid()) {
           return true;
   }
   return false;
}

function startElement($parser, $name, $attribs) {
   print "<<font color=\"#0000cc\">$name</font>";
   if (sizeof($attribs)) {
       while (list($k, $v) = each($attribs)) {
           print " <font color=\"#009900\">$k</font>=\"<font
                   color=\"#990000\">$v</font>\"";
       }
   }
   print ">";
}

function endElement($parser, $name) {
   print "</<font color=\"#0000cc\">$name</font>>";
}

function characterData($parser, $data) {
   print "<b>$data</b>";
}

function PIHandler($parser, $target, $data) {
   switch (strtolower($target)) {
       case "php":
           global $parser_file;
           // If the parsed document is "trusted", we say it is safe
           // to execute PHP code inside it.  If not, display the code
           // instead.
           if (trustedFile($parser_file[$parser])) {
               eval($data);
           } else {
               printf("Untrusted PHP code: <i>%s</i>",
                       htmlspecialchars($data));
           }
           break;
   }
}

function defaultHandler($parser, $data) {
   if (substr($data, 0, 1) == "&" && substr($data, -1, 1) == ";") {
       printf('<font color="#aa00aa">%s</font>',
               htmlspecialchars($data));
   } else {
       printf('<font size="-1">%s</font>',
               htmlspecialchars($data));
   }
}

function externalEntityRefHandler($parser, $openEntityNames, $base, $systemId,
                                 $publicId) {
   if ($systemId) {
       if (!list($parser, $fp) = new_xml_parser($systemId)) {
           printf("Could not open entity %s at %s\n", $openEntityNames,
           &nbs