Function to extract variables from an URL

get_url_vars.rb

# Returns a hash with the name of the vars linked to an array with all the values of it
def get_url_vars(url)
  require 'uri'
  require 'cgi'
  uri = URI.parse(url).query
  if uri and (url = CGI.parse(uri))
    return url
  else
    return nil
  end  
end