diff --git a/README.md b/README.md index 4411983..36ec158 100644 --- a/README.md +++ b/README.md @@ -32,21 +32,19 @@ Or install it yourself as: ### Get form values +Given a form with the content `field_name=123`: + ```ruby require "cgi" cgi = CGI.new -value = cgi['field_name'] # <== value string for 'field_name' - # if not 'field_name' included, then return "". -fields = cgi.keys # <== array of field names - -# returns true if form has 'field_name' -cgi.has_key?('field_name') -cgi.has_key?('field_name') -cgi.include?('field_name') -``` +value = cgi['field_name'] # => "123" +cgi['flowerpot'] # => "" +fields = cgi.keys # => [ "field_name" ] -CAUTION! cgi['field_name'] returned an Array with the old -cgi.rb(included in Ruby 1.6) +cgi.has_key?('field_name') # => true +cgi.include?('field_name') # => true +cgi.include?('flowerpot') # => false +``` ### Get form values as hash