Magento Product Attribute Get Value

Question

How to get specific product attribute value if i know product ID without loading whole product?

Answer 1

You don't have to load the whole product. Magentos collections are very powerful and smart.

$collection = Mage::getModel('catalog/product')->getCollection();
$collection->addAttributeToFilter('entity_id', $product->getId());
$collection->addAttributeToSelect('manufacturer');
$product = $collection->getFirstItem();
$manufacturer = $product->getAttributeText('manufacturer');

At the moment you call getFirstItem() the query will be executed and the result product is very minimal:

[status] => 1
[entity_id] => 38901
[type_id] => configurable
[attribute_set_id] => 9
[manufacturer] => 492
[manufacturer_value] => JETTE
[is_salable] => 1
[stock_item (Varien_Object)] => Array
    (
        [is_in_stock] => 1
    )

Answer 2

You could write a method that would do it directly via sql I suppose.

Would look something like this:

Variables:

$store_id = 1;
$product_id = 1234;
$attribute_code = 'manufacturer';

Query:

SELECT value FROM eav_attribute_option_value WHERE option_id IN (
    SELECT option_id FROM eav_attribute_option WHERE FIND_IN_SET(
        option_id, 
        (SELECT value FROM catalog_product_entity_varchar WHERE
            entity_id = '$product_id' AND 
            attribute_id = (SELECT attribute_id FROM eav_attribute WHERE
                attribute_code='$attribute_code')
        )
    ) > 0) AND
    store_id='$store_id';

You would have to get the value from the correct table based on the attribute's backend_type (field in eav_attribute) though so it takes at least 1 additional query.

Answer 3

If you have an text/textarea attribute named my_attr you can get it by: product->getMyAttr();

Answer 4

You can get attribute value by following way

$model = Mage::getResourceModel('catalog/product');
$attribute_value = $model->getAttributeRawValue($productId, 'attribute_code', $storeId);

Answer 5

It seems impossible to get value without loading product model. If you take a look at file app/code/core/Mage/Eav/Model/Entity/Attribute/Frontend/Abstract.php you'll see the method

public function getValue(Varien_Object $object)
{
    $value = $object->getData($this->getAttribute()->getAttributeCode());
    if (in_array($this->getConfigField('input'), array('select','boolean'))) {
        $valueOption = $this->getOption($value);
        if (!$valueOption) {
            $opt = new Mage_Eav_Model_Entity_Attribute_Source_Boolean();
            if ($options = $opt->getAllOptions()) {
                foreach ($options as $option) {
                    if ($option['value'] == $value) {
                        $valueOption = $option['label'];
                    }
                }
            }
        }
        $value = $valueOption;
    }
    elseif ($this->getConfigField('input')=='multiselect') {
        $value = $this->getOption($value);
        if (is_array($value)) {
            $value = implode(', ', $value);
        }
    }
    return $value;
}

As you can see this method requires loaded object to get data from it (3rd line).

Answer 6

First we must ensure that the desired attribute is loaded, and then output it. Use this:

$product = Mage::getModel('catalog/product')->load('<product_id>', array('<attribute_code>'));
$attributeValue = $product->getResource()->getAttribute('<attribute_code>')->getFrontend()->getValue($product);