anchor.diff:      '';
       passAsFile = [ "nixDefaults" "phpOptions" ];
     } ''
  -    cat $phpPackage/etc/php.ini $nixDefaultsPath $phpOptionsPath > $out
  +    cat ${poolOpts.phpPackage}/etc/php.ini $nixDefaultsPath $phpOptionsPath > $out
     '';
   
     poolOpts = { name, ... }:
  
positive.code:       config = {
          socket = if poolOpts.listen == "" then "${runtimeDir}/${name}.sock" else poolOpts.listen;
          group = mkDefault poolOpts.user;
  
          settings = mapAttrs (name: mkDefault){
            listen = poolOpts.socket;
  
negative.code: 
          phpOptions = mkOption {
            type = types.lines;
            description = ''
              "Options appended to the PHP configuration file <filename>php.ini</filename> used for this PHP-FPM pool."
            '';
  