$pecial vars

$xframe

The X-Frame-Options HTTP response header can be used to indicate whether or not a browser should be allowed to render a page in a & <frame>, <iframe>, <embed> or <object>.
Sites can use this to avoid clickjacking attacks, by ensuring that their content is not embedded into other sites.

The values can be:

DENY(default)

sameorigin

An array of domains for use

remove(to disable)

$noobfuscate

Disable the javascript objustation for develoment purposes.