gistfile1

[4, 5].each do |version|
  fact = "php#{version}_extensions".to_sym
  Facter.add(fact) do
    setcode do
      extensions = []
      IO.popen("php#{version} -i").each do |line|
        line.chomp!
        line.gsub!(/^ionCube Loader$/, "ioncube")
        line.gsub!(/^Zend Optimizer$/, "zend_optimizer")
        if line =~ /^[a-z0-9_]+$/
          extensions << line
        end
      end
      extensions.sort.join(" ")
    end
  end
end