[PHP-WIN] Parse error what's this, what to do?

[Ildiko Nyari]

Hello
Parse error: parse error, unexpected '<' in C:\Program Files\Apache 
Group\Apache2\htdocs\advanced3.php on line 129

what's this?
I always get this error when I want to display the php files on the web, so can't.
What do I do wrong?

thanks,
ildiko