anchor.diff:        '';
   
         src = fetchurl {
  -        inherit url sha256;
  +        url = "http://www.php.net/distributions/php-${version}.tar.bz2";
  +        inherit sha256;
         };
   
         meta = with stdenv.lib; {
  
positive.code: let
  
    generic =
      { version, sha256, url ? "http://www.php.net/distributions/php-${version}.tar.bz2" }:
  
      let php7 = lib.versionAtLeast version "7.0"; in
  
  
negative.code:     sha256 = "1bnjpj5vjj2sx80z3x452vhk7bfdl8hbli61byhapgy1ch4z9rjg";
    };
  
    php70 = generic {
      version = "7.0.0";
      sha256 = "1spwxpfx0q95cfkwl1n8hpczgwy69x901v60ywwpl5ijd0q58am9";
    };
  
  }
  