code/Debug/Block/View.php
public function renderArray($data, $noDataLabel = 'No Data', $header = null)
    {
        /** @var Mage_Core_Block_Template $block */
        $block = $this->getLayout()->createBlock('sheep_debug/view');
        $block->setTemplate('sheep_debug/view/panel/_array.phtml');
        $block->setData('array', $data);
        $block->setData('no_data_label', $noDataLabel);
        $block->setData('header', $header);

        return $block->toHtml();
    }
public function renderArray($data, $noDataLabel = 'No Data', $header = null)
    {
        /** @var Mage_Core_Block_Template $block */
        $block = $this->getLayout()->createBlock('sheep_debug/view');
        $block->setTemplate('sheep_debug/view/panel/_array.phtml');
        $block->setData('array', $data);
        $block->setData('no_data_label', $noDataLabel);
        $block->setData('header', $header);

        return $block->toHtml();
    }
Iterates an array and prints its keys and values.

@param array  $data
@param string $noDataLabel
@param null   $header
@return string