gistfile1.txt

$content = array(
        'member_id_row' => array(
          '#type' => 'container',
          'label' => array(
            '#markup' => '<label>' . t('Member ID') . '</label>',
          ),
          'value' => array(
            '#markup' => '<span>' . $GLOBALS['user']->name . '</span>',
          )
        )
      );

      $block->content = render($content);