[ library(cgi) | Reference Manual | Alphabetic Index ]
Returns the parameters posted to the CGI script
Returns a list of Name=Value pairs, where Name is an atom
and Value is a string, representing the information that was posted to
the CGI script. Both POST and GET methods are supported.
If there is a problem, the predicate fails. In that case, the caller should
retrieve an error message using get_error_output/1 and present it to the
user, e.g. by embedding it into the generated html page.
There was a problem obtaining the parameters from the environment
get_param_value / 3, substitute_placeholders / 3, get_error_output / 1