function ResetConfigArray($array_to_reset = '')
  {
      if (!is_array($array_to_reset)) {
        $array_to_reset = $this->_sql_tables_schema['config'];
      }
      // First, we reset all values (we know the key based on the schema)
      reset($array_to_reset);
      while(list($valid_key, $valid_format) = @each($array_to_reset)) {
          $pos = mb_strpos(mb_strtoupper($valid_format), 'DEFAULT');
          $value = "";
          if ($pos !== FALSE) {
              $value = trim(substr($valid_format, $pos + strlen("DEFAULT")));
              if (("'" == substr($value,0,1)) && ("'" == substr($value,-1))) {
                  $value = substr($value,1,-1);
              }
          }
          $this->_config_data[$valid_key] = $value;
      }
  }