I have uploaded the same file on to the website. The php code in it looks like this
$f = fopen("http://thefreetechhelp.com/testsrc/top.txt", "r");
while(!feof($f)) {
echo fgets($f);
}
fclose($f);
?> </code>
And there is two of these in the document. Below are the links, notice how in the second one you get the error
http://thefreetechhelp.com/index.html
http://thefreetechhelp.com/articles/index.html
the server is Debian GNU/Linux if that helps