anchor.diff:      { version, sha256 }:
   
       let php7 = lib.versionAtLeast version "7.0";
  -        mysqlHeaders = mysql.connector-c or mysql;
           mysqlndSupport = config.php.mysqlnd or false;
  -        mysqlBuildInputs = lib.optional (!mysqlndSupport) mysqlHeaders;
  +        mysqlBuildInputs = lib.optional (!mysqlndSupport) mysql.connector-c;
   
       in composableDerivation.composableDerivation {} (fixed: {
   
  
positive.code:         };
  
          mysqli = {
            configureFlags = ["--with-mysqli=${if mysqlndSupport then "mysqlnd" else "${mysqlHeaders}/bin/mysql_config"}"];
            buildInputs = mysqlBuildInputs;
          };
  
  
negative.code:         };
  
          pdo_mysql = {
            configureFlags = ["--with-pdo-mysql=${if mysqlndSupport then "mysqlnd" else mysql.connector-c}"];
            buildInputs = mysqlBuildInputs;
          };
  
  