Magento: Get category layer filter attributes Programatically

 Get Category layer filter attribute

$layer = Mage::getModel("catalog/layer");

// 32 cat id
    $category = Mage::getModel("catalog/category")->load(32);
    $layer->setCurrentCategory($category);
    $attributes = $layer->getFilterableAttributes();

    foreach ($attributes as $attribute) {
        if ($attribute->getAttributeCode() == 'price') {
            $filterBlockName = 'catalog/layer_filter_price';
        } elseif ($attribute->getBackendType() == 'decimal') {
            $filterBlockName = 'catalog/layer_filter_decimal';
        } else {
            $filterBlockName = 'catalog/layer_filter_attribute';
        }

        $result = $this->getLayout()->createBlock($filterBlockName)->setLayer($layer)->setAttributeModel($attribute)->init();
        echo "<br/><br/>";
        echo $attribute->getAttributeCode();
        echo "<br/>";
        foreach($result->getItems() as $option) {
            echo $option->getLabel().'<br/>';
            echo $option->getValue();
            //exit();
        }
}