def generate_url(length=7)
  protocall = %w(https:// http://)
  body = rand(36**length).to_s(36)
  num = rand(1..999).to_s
  url = "#{protocall.sample.to_s}#{body}.com/php?id=#{num}"
  green(url)
end

#<= http://s857yi5.com/php?id=168
#<= https://6rm0oq3.com/php?id=106
#<= http://skhvk1n.com/php?id=306