[mapserver-users] passing values to mapfile

[Stephen Woodbridge]

On 9/21/2011 12:36 AM, jjwang wrote:
> Is there any way to pass values to mapfile from the query string without
> using mapscript.
> What I want is:
> In my mapfile, I defined some classes, the expression is comparing an
> attribute with a value. But the value is not predefined. It's defined at the
> client side. So I want to know is there any way to pass a value from client
> side into the mapfile.
> for example:
> CLASS
>   EXPRESSION ([Area]>  X)
> END
>
> I want this X to be a value comes from client side (JS-Openlayers).
>
> Is this possible?

Yes!

http://mapserver.org/cgi/runsub.html