nixos/moodle: use php80 and update extensions

  mysqlLocal = cfg.database.createLocally && cfg.database.type == "mysql";

  pgsqlLocal = cfg.database.createLocally && cfg.database.type == "pgsql";

  phpExt = pkgs.php81.withExtensions

        ({ enabled, all }: with all; [ iconv mbstring curl openssl tokenizer xmlrpc soap ctype zip gd simplexml dom  intl json sqlite3 pgsql pdo_sqlite pdo_pgsql pdo_odbc pdo_mysql pdo mysqli session zlib xmlreader fileinfo filter opcache ]);

  phpExt = pkgs.php80.buildEnv {

    extensions = { all, ... }: with all; [ iconv mbstring curl openssl tokenizer soap ctype zip gd simplexml dom intl sqlite3 pgsql pdo_sqlite pdo_pgsql pdo_odbc pdo_mysql pdo mysqli session zlib xmlreader fileinfo filter opcache exif sodium ];

    extraConfig = "max_input_vars = 5000";

  };

in

{

  # interface

      phpOptions = ''

        zend_extension = opcache.so

        opcache.enable = 1

        max_input_vars = 5000

      '';

      settings = {

        "listen.owner" = config.services.httpd.user;