code: public function getLimitOptionsSelect()
      {
          /** @var Sheep_Debug_Helper_Filter $filterHelper */
          $filterHelper = Mage::helper('sheep_debug/filter');
  
          /** @var Mage_Core_Block_Html_Select $select */
          $select = $this->getLayout()->createBlock('core/html_select');
  
          $select->setName('limit')
              ->setId('limit')
              ->setValue($this->getRequest()->getParam('limit', $filterHelper->getLimitDefaultValue()))
              ->setOptions($this->getOptionArray($filterHelper->getLimitValues()));
  
          return $select->getHtml();
      }
docs: Returns html for limit selects
  
  @return string
  @throws Exception