anchor.diff:      sha256 = "1bnjpj5vjj2sx80z3x452vhk7bfdl8hbli61byhapgy1ch4z9rjg";
     };
   
  -  php70 = lib.lowPrio (generic {
  -    version = "7.0.0RC6";
  -    url = "https://downloads.php.net/~ab/php-7.0.0RC6.tar.bz2";
  -    sha256 = "0q8km0711chwj94d4mjrzdn999yw1vv4k695gj68pk791a6pcsyk";
  -  });
  +  php70 = generic {
  +    version = "7.0.0";
  +    sha256 = "1spwxpfx0q95cfkwl1n8hpczgwy69x901v60ywwpl5ijd0q58am9";
  +  };
   
   }
  
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:       '';
  
        src = fetchurl {
          url = "http://www.php.net/distributions/php-${version}.tar.bz2";
          inherit sha256;
        };
  
        meta = with stdenv.lib; {
  