The Official Cheat Sheet for Magento Developers

I thought it was about time that someone created a place developers could go to find some of the most commonly used Magento methods/functions. Below you will find many quick ways to achieve your everyday coding requirements in Magento. If there is something you would like to see added to the list please feel free to post a comment or please do so if this list has helped you.

Product Collections

Get product collection

$collection = Mage::getModel('catalog/product')->getCollection();

Get product collection by filtering EAV collections

$collection = Mage::getModel('catalog/product')->getCollection()
        ->addAttributeToFilter('some_attribute', $filter);

Get product collection by filtering Non-EAV collections

$collection = Mage::getModel('catalog/product')->getCollection()
        ->addFieldToFilter('some_attribute', $filter);

Get product collection and add all available attributes to the collection

$collection = Mage::getModel('catalog/product')->getCollection()
        ->addAttributeToSelect('*');

Get product collection and select the attributes that we want to retrieve in our collection

$collection = Mage::getModel('catalog/product')->getCollection()
        ->addAttributeToSelect('some_attribute');

Get product info by product SKU

$collection = Mage::getModel('catalog/product')->loadByAttribute('sku', $sku);

Get product info by product id

$collection = Mage::getModel('catalog/product')->load($productId);

Get product collection based on the category id

$category = new Mage_Catalog_Model_Category();
$category->load($categoryId);
$collection = $category->getProductCollection();

Get product collection based on the category id and filter by attribute option id

$collection = Mage::getModel('catalog/product')->getCollection()
                    ->addAttributeToSelect('*')
                    ->addAttributeToFilter(
                        $attributeCode,
                        array(
                            'eq' => Mage::getResourceModel('catalog/product')
                                ->getAttribute($attributeCode)
                                ->getSource()
                                ->getOptionId($attributeOptionId)
                        ))
                    ->joinField('category_id', 'catalog/category_product', 'category_id', 'product_id = entity_id', null, 'left')
                    ->addAttributeToFilter('category_id', $categoryId);

                $collection->getSelect()
                    ->group('e.entity_id');

Category Collections

Get the current category collection

$category = Mage::registry('current_category');

Examples

echo $category->getEntityId();
echo $category->getName();

etc…

Get category attributes

$data = Mage::getResourceModel('catalog/category')->getAttributeRawValue($categoryId, "sub_tabs", Mage::app()->getStore()->getId());

Static Blocks

Get static blocks

echo $this->getLayout()->createBlock('cms/block')->setBlockId('maintenance_page')->toHtml();

*****OR*****

echo Mage::app()->getLayout()->createBlock('cms/block')->setBlockId('maintenance_page')->toHtml();

Custom Variables

Get Custom Variables

echo Mage::getModel('core/variable')->loadByCode('overnight_99_text')->getValue('plain');

URLS

Get Base URL

echo Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_WEB);

Get Secure URL

echo Mage::getStoreConfig(Mage_Core_Model_Store::XML_PATH_SECURE_BASE_URL);

Get Skin URL

echo Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_SKIN);

Get URL Referrer

echo Mage::app()->getRequest()->getServer('HTTP_REFERER');

Get Current URL

echo Mage::helper('core/url')->getCurrentUrl();

Get URL Parameters

$params = Mage::app()->getRequest()->getParams();

*****OR*****

$params = Mage::app()->getRequest()->getParam('name');

More coming soon!……