Magento : useful functions list

General functions

Function
$this->getRequest()->getServer(‘HTTP_REFERER’);

Product related functions

Function
$product->getName()
$product->getSku()
Mage::getModel(‘cataloginventory/stock_item’)->loadByProduct($_product)->getQty()
$product->getResource()->getAttribute(‘color’)->getFrontend()->getValue($product)
$product->isSaleable()
$product->isisAvailable()
Mage::getModel(‘catalogrule/rule’)->calcProductPriceRule($product,$product->getPrice())
$product->getTierPrice(1)

Newsletter related functions

Function
$subscriber = Mage::getModel(‘newsletter/subscriber’); $subscriber->subscribe($user_mail);

Cache

Function
$tags = array(Mage_Catalog_Model_Category::CACHE_TAG); //Category block tag Mage::app()->cleanCache($tags)

Product images

Function
$_product->getMediaGalleryImages()->getItemByColumnValue(‘label’, ‘LABEL_NAME’)->getUrl()

Customer related functions

Function
$this->helper(‘customer’)->isLoggedIn()