Malware false positive

Hi there,
my exploit scanner tool detected a possible exploit in file
products/photocrati_nextgen/modules/attach_to_post/package.module.attach_to_post.php
In particular it detected a Regular expression match on [eval\(\$_REQUEST\[]
I’ve checked that file and I’ve noticed it’s clearly a false positive, because there’s not an eval, but a doubleval($_REQUEST['ref']), which is harmless even if it is matched by the above regex.
Since not so many people have the skills to tell that it’s a false positive, I would recommend you to change your code, i.e. using floatval instead of doubleval.
All the best.