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Magento Code Snippets

In order to programmatically delete attributes when you switch from one set to another you must first look at all the entries for the new set, then get a list of all attributes, check against that list and (this is the important part) remove it from the correct entity table. For example, I want to get rid of a value of 500 GB that is in the sample Magento data when I switch Western Digital 500GB HD - 7200RPM from Hard Drive to Shoes. In order to do that I must remove the entry in the catalog_product_entity_text table it's stored at. This means that I must find that entry where it's equal to the product id and then delete it. Here is how I approached this issue. NOTE: This is from a WSU (Washington State University) extension I'm working on Storeutilities

<?php
class Wsu_Storeutilities_Adminhtml_Catalog_ProductController extends Mage_Adminhtml_Controller_Action {
    protected $_allAttributes = array();
    /**
     * Get or initialize an array of the default attributes for every product.
     * 
     * @return array The Require attribute codes for the produt's new attribute set.
     */
    protected function _getRequiredAttributes($attrSetId) {
        $_requiredAttributes = array();
        $attributes          = Mage::getModel('catalog/product_attribute_api')->items($attrSetId);
        foreach ($attributes as $_attribute) {
            $_requiredAttributes[] = $_attribute['code'];
        }
		//these must be there so lets just make sure
		$_requiredAttributes[] = 'has_options';
		$_requiredAttributes[] = 'required_options';
		$_requiredAttributes[] = 'sku';
        return $_requiredAttributes;
    }
    protected function _getAllAttributes() {
        if (empty($this->_allAttributes)) {
            $attributes = Mage::getResourceModel('catalog/product_attribute_collection')->getItems();
            foreach ($attributes as $_attribute) {
                $attr['code']           = $_attribute['attribute_code'];
                $attribute              = Mage::getModel('eav/entity_attribute')->load($_attribute['attribute_id']);
                $attr['table']          = $attribute->getBackendTable();
                $attr['id']             = $_attribute['attribute_id'];
                $this->_allAttributes[] = $attr;
            }
        }
        return $this->_allAttributes;
    }
    /**
     * Attempt to remove any required attributes linked to the product that are not in the new attribute set.
     * 
     * @param Mage_Catalog_Model_Product $product
     */
    protected function _cleanAttributes(Mage_Catalog_Model_Product $product) {
        $write          = $product->getResource()->getWriteConnection();
        $required       = $this->_getRequiredAttributes($product->getAttributeSetId());
        $all_attributes = $this->_getAllAttributes();
        foreach ($all_attributes as $attribute) {
            try {
                if (!in_array($attribute['code'], $required)) {
                    $write->delete($attribute['table'], join(' AND ', array(
                        $write->quoteInto('attribute_id=?', $attribute['id']),
                        $write->quoteInto('entity_id=?', $product->getId())
                    )));
                }
            }
            catch (Exception $e) {
                $this->_getSession()->addError("Failed to unlink attribute {$attribute['code']} from product.".$e->getMessage());
            }
        }
    }
    /**
     * Change the attribute set of the product.
     */
    public function changeattributesetAction() {
		
        $_productIds        = $this->getRequest()->getParam('product');
        $productIds         = array_map('intval', $_productIds);
        $affectedProductIds = array();
        $storeId            = (int) $this->getRequest()->getParam('store', 0);
        $attributeSet       = (int) $this->getRequest()->getParam('attribute_set');
        $defaultSetId       = Mage::getSingleton('catalog/product')->getResource()->getEntityType()->getDefaultAttributeSetId();
        if (!is_array($productIds)) {
            $this->_getSession()->addError($this->__('Please select product(s)'));
        } else {
            try {
                foreach ($productIds as $productId) {
                    $product   = Mage::getSingleton('catalog/product')->unsetData()->setStoreId($storeId)->load($productId);
                    $ptype     = $product->getTypeID();
                    $is_simple = (!$product->isComposite() && !$product->isSuper());
                    //at this time we want to just do the simple product types.  Maybe later we can test out for something better
                    if ($is_simple && $ptype != "bundle") {
                        $product->setAttributeSetId($attributeSet)->setIsMassupdate(true)->save();
			if(Mage::helper('storeutilities')->hasExt('Wsu_Logger')){
				$_product=Mage::getModel('cataloginventory/stock_item')->loadByProduct($product);
				Mage::getModel('wsu_logger/stock_observer')->insertStockMovement($_product, "Changed to attribute $attributeSet in mass edit");
			}
                        $this->_cleanAttributes($product);
                        $affectedProductIds[] = $product->getEntityId();
                    } else {
                        $this->_getSession()->addError($this->__('Skipping product ' . $product->getName() . ' as it is not the base product.'));
                    }
                }
                Mage::dispatchEvent('catalog_product_massupdate_after', array(
                    'products' => $affectedProductIds
                ));
                $this->_getSession()->addSuccess($this->__('Total of %d record(s) were successfully updated', count($affectedProductIds)));
            }
            catch (Exception $e) {
                $this->_getSession()->addException($e, $e->getMessage());
            }
        }
        $this->_redirect('adminhtml/catalog_product/index/', array());
    }
}

Admin snips

Log to custom file

<?php Mage::log('Your Log Message', Zend_Log::INFO, 'your_log_file.log'); ?>

Debug using zend

<?= Zend_Debug::dump($thing_to_debug, 'debug'); ?>

Reset Development Environment (delete orders, customers, reset ids and counters, truncate statistics)

SET FOREIGN_KEY_CHECKS=0;
 
-- Here's where we reset the orders 
TRUNCATE `sales_flat_order`;
TRUNCATE `sales_flat_order_address`;
TRUNCATE `sales_flat_order_grid`;
TRUNCATE `sales_flat_order_item`;
TRUNCATE `sales_flat_order_status_history`;
TRUNCATE `sales_flat_quote`;
TRUNCATE `sales_flat_quote_address`;
TRUNCATE `sales_flat_quote_address_item`;
TRUNCATE `sales_flat_quote_item`;
TRUNCATE `sales_flat_quote_item_option`;
TRUNCATE `sales_flat_order_payment`;
TRUNCATE `sales_flat_quote_payment`;
TRUNCATE `sales_flat_shipment`;
TRUNCATE `sales_flat_shipment_item`;
TRUNCATE `sales_flat_shipment_grid`;
TRUNCATE `sales_flat_invoice`;
TRUNCATE `sales_flat_invoice_grid`;
TRUNCATE `sales_flat_invoice_item`;
TRUNCATE `sendfriend_log`;
TRUNCATE `tag`;
TRUNCATE `tag_relation`;
TRUNCATE `tag_summary`;
TRUNCATE `wishlist`;
TRUNCATE `log_quote`;
TRUNCATE `report_event`;
 
ALTER TABLE `sales_flat_order` AUTO_INCREMENT=1;
ALTER TABLE `sales_flat_order_address` AUTO_INCREMENT=1;
ALTER TABLE `sales_flat_order_grid` AUTO_INCREMENT=1;
ALTER TABLE `sales_flat_order_item` AUTO_INCREMENT=1;
ALTER TABLE `sales_flat_order_status_history` AUTO_INCREMENT=1;
ALTER TABLE `sales_flat_quote` AUTO_INCREMENT=1;
ALTER TABLE `sales_flat_quote_address` AUTO_INCREMENT=1;
ALTER TABLE `sales_flat_quote_address_item` AUTO_INCREMENT=1;
ALTER TABLE `sales_flat_quote_item` AUTO_INCREMENT=1;
ALTER TABLE `sales_flat_quote_item_option` AUTO_INCREMENT=1;
ALTER TABLE `sendfriend_log` AUTO_INCREMENT=1;
ALTER TABLE `sales_flat_order_payment` AUTO_INCREMENT=1;
ALTER TABLE `sales_flat_quote_payment` AUTO_INCREMENT=1;
ALTER TABLE `sales_flat_shipment` AUTO_INCREMENT=1;
ALTER TABLE `sales_flat_shipment_item` AUTO_INCREMENT=1;
ALTER TABLE `sales_flat_invoice` AUTO_INCREMENT=1;
ALTER TABLE `sales_flat_invoice_grid` AUTO_INCREMENT=1;
ALTER TABLE `sales_flat_invoice_item` AUTO_INCREMENT=1;
ALTER TABLE `sales_flat_shipment_grid` AUTO_INCREMENT=1;
ALTER TABLE `tag` AUTO_INCREMENT=1;
ALTER TABLE `tag_relation` AUTO_INCREMENT=1;
ALTER TABLE `tag_summary` AUTO_INCREMENT=1;
ALTER TABLE `wishlist` AUTO_INCREMENT=1;
ALTER TABLE `log_quote` AUTO_INCREMENT=1;
ALTER TABLE `report_event` AUTO_INCREMENT=1;
 
-- Here's where we reset the customers
TRUNCATE `customer_address_entity`;
TRUNCATE `customer_address_entity_datetime`;
TRUNCATE `customer_address_entity_decimal`;
TRUNCATE `customer_address_entity_int`;
TRUNCATE `customer_address_entity_text`;
TRUNCATE `customer_address_entity_varchar`;
TRUNCATE `customer_entity`;
TRUNCATE `customer_entity_datetime`;
TRUNCATE `customer_entity_decimal`;
TRUNCATE `customer_entity_int`;
TRUNCATE `customer_entity_text`;
TRUNCATE `customer_entity_varchar`;
TRUNCATE `log_customer`;
TRUNCATE `log_visitor`;
TRUNCATE `log_visitor_info`;
 
ALTER TABLE `customer_address_entity` AUTO_INCREMENT=1;
ALTER TABLE `customer_address_entity_datetime` AUTO_INCREMENT=1;
ALTER TABLE `customer_address_entity_decimal` AUTO_INCREMENT=1;
ALTER TABLE `customer_address_entity_int` AUTO_INCREMENT=1;
ALTER TABLE `customer_address_entity_text` AUTO_INCREMENT=1;
ALTER TABLE `customer_address_entity_varchar` AUTO_INCREMENT=1;
ALTER TABLE `customer_entity` AUTO_INCREMENT=1;
ALTER TABLE `customer_entity_datetime` AUTO_INCREMENT=1;
ALTER TABLE `customer_entity_decimal` AUTO_INCREMENT=1;
ALTER TABLE `customer_entity_int` AUTO_INCREMENT=1;
ALTER TABLE `customer_entity_text` AUTO_INCREMENT=1;
ALTER TABLE `customer_entity_varchar` AUTO_INCREMENT=1;
ALTER TABLE `log_customer` AUTO_INCREMENT=1;
ALTER TABLE `log_visitor` AUTO_INCREMENT=1;
ALTER TABLE `log_visitor_info` AUTO_INCREMENT=1;
 
-- This is to Reset all the ID counters
TRUNCATE `eav_entity_store`;
ALTER TABLE `eav_entity_store` AUTO_INCREMENT=1;
 
SET FOREIGN_KEY_CHECKS=1;

TRUNCATE TABLE `sales_bestsellers_aggregated_daily`;
TRUNCATE TABLE `sales_bestsellers_aggregated_monthly`;
TRUNCATE TABLE `sales_bestsellers_aggregated_yearly`;

DELETE FROM report_event WHERE event_type_id IN (SELECT event_type_id FROM report_event_types WHERE event_name IN ('catalog_product_view'));

Setting file permissions

find </path/to/magento> -type f \-exec chmod 644 {} \;
find </path/to/magento> -type d \-exec chmod 755 {} \;

Other recommendations in "Securing Magento File & Directory Permissions" (http://blog.nexcess.net/2010/12/06/securing-magento-file-directory-permissions/)

find </path/to/magento> \-exec chown youruser.youruser {} \;
find </path/to/magento> -type f \-exec chmod 644 {} \;
find </path/to/magento> -type d \-exec chmod 711 {} \;
find </path/to/magento> -type f -name "*.php" \-exec chmod 600 {} \;
chmod 600 </path/to/magento>/app/etc/*.xml

Set custom order numbers (starting number)

update eav_entity_store
inner join eav_entity_type on eav_entity_type.entity_type_id = eav_entity_store.entity_type_id
set eav_entity_store.increment_prefix='YOURPREFIX'
set eav_entity_store.increment_last_id='YOURSTARTINGORDERNUMBER'
where eav_entity_type.entity_type_code='order';

CLI snips

Download extension manually using mage

./mage config-set preferred_state stable
./mage clear-cache
./mage sync
./mage download community Module_Name

Reindex

php -f shell/indexer.php reindexall

Frontend snips

Load category by id

<?php
$_category = Mage::getModel('catalog/category')->load(89);
$_category_url = $_category->getUrl();
?>

Load product by id or sku

<?php
$_product_1 = Mage::getModel('catalog/product')->load(12);
$_product_2 = Mage::getModel('catalog/product')->loadByAttribute('sku','cordoba-classic-6-String-guitar');
?>

Get Configurable product's Child products

<?php
// input is $_product and result is iterating child products
$childProducts = Mage::getModel('catalog/product_type_configurable')->getUsedProducts(null, $product);
?>

Get Configurable product's Children's (simple product) custom attributes

<?php
// input is $_product and result is iterating child products
$conf = Mage::getModel('catalog/product_type_configurable')->setProduct($_product);
$col = $conf->getUsedProductCollection()->addAttributeToSelect('*')->addFilterByRequiredOptions();
foreach($col as $simple_product){
  var_dump($simple_product->getId());
}
?>

Call Static Block

<?= $this->getLayout()->createBlock('cms/block')->setBlockId('block-name')->toHtml(); ?>

Add JavaScript to page

First approach: page.xml - you can add something like

<action method="addJs"><script>path/to/my/file.js</script></action>

Second approach: Find page/html/head.phtml in your theme and add the code directly to page.html.

Third approach: If you look at the stock page.html mentioned above, you'll see this line

<?= $this->getChildHtml(); ?>

Normally, the getChildHtml method is used to render a specific child block. However, if called with no paramater, getChildHtml will automatically render all the child blocks. That means you can add something like

<!-- existing line --> <block type="page/html_head" name="head" as="head">
  <!-- new sub-block you're adding --> <block type="core/template" name="mytemplate" as="mytemplate" template="page/mytemplate.phtml"/>
	...

to page.xml, and then add the mytemplate.phtml file. Any block added to the head block will be automatically rendered. (this automatic rendering doesn't apply for all layout blocks, only for blocks where getChildHtml is called without paramaters).

Get the current category/product/cms page

<?php
$currentCategory = Mage::registry('current_category');
$currentProduct = Mage::registry('current_product');
$currentCmsPage = Mage::registry('cms_page');
?>

Magento: Mass Exclude/Unexclude Images

By default, Magento will check the 'Exclude' box for you on all imported images, making them not show up as a thumbnail under the main product image on the product view.

# Mass Unexclude
UPDATE`catalog_product_entity_media_gallery_value` SET `disabled` = '0' WHERE `disabled` = '1';
# Mass Exclude
UPDATE`catalog_product_entity_media_gallery_value` SET `disabled` = '1' WHERE `disabled` = '0';

getBaseUrl – Magento URL Path

<?php
// http://example.com/
echo Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_WEB);
// http://example.com/js/
echo Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_JS);
// http://example.com/index.php/
echo Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_LINK);
// http://example.com/media/
echo Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_MEDIA);
// http://example.com/skin/
echo Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_SKIN);
?>

Get The Root Category In Magento

<?php
$rootCategoryId = Mage::app()->getStore()->getRootCategoryId();
$_category = Mage::getModel('catalog/category')->load($rootCategoryId);
// You can then get all of the top level categories using:
$_subcategories = $_category->getChildrenCategories();
?>

Get The Current URL In Magento

<?= Mage::helper('core/url')->getCurrentUrl(); ?>

Category Navigation Listings in Magento

Make sure the block that you’re working is of the type catalog/navigation. If you’re editing catalog/navigation/left.phtml then you should be okay.

<div id="leftnav">
  <?php $helper = $this->helper('catalog/category') ?>
	<?php $categories = $this->getStoreCategories() ?>
	<?php if (count($categories) > 0): ?>
		<ul id="leftnav-tree" class="level0">
			<?php foreach($categories as $category): ?>
				<li class="level0<?php if ($this->isCategoryActive($category)): ?> active<?php endif; ?>">
					<a href="<?php echo $helper->getCategoryUrl($category) ?>"><span><?php echo $this->escapeHtml($category->getName()) ?></span></a>
					<?php if ($this->isCategoryActive($category)): ?>
						<?php $subcategories = $category->getChildren() ?>
						<?php if (count($subcategories) > 0): ?>
							<ul id="leftnav-tree-<?= $category->getId(); ?>" class="level1">
								<?php foreach($subcategories as $subcategory): ?>
									<li class="level1<?php if ($this->isCategoryActive($subcategory)): ?> active<?php endif; ?>">
										<a href="<?= $helper->getCategoryUrl($subcategory); ?>"><?= $this->escapeHtml(trim($subcategory->getName(), '- ')); ?></a>
									</li>
								<?php endforeach; ?>
							</ul>
							<script type="text/javascript">decorateList('leftnav-tree-<?php echo $category->getId() ?>', 'recursive')</script>
						<?php endif; ?>
					<?php endif; ?>
				</li>
			<?php endforeach; ?>
		</ul>
		<script type="text/javascript">decorateList('leftnav-tree', 'recursive')</script>
	<?php endif; ?>
</div>

Is product purchasable?

<?php if($_product->isSaleable()) { // do stuff } ?>

Load Products by Category ID

<?php
$_category = Mage::getModel('catalog/category')->load(47);
$_productCollection = $_category->getProductCollection();
if($_productCollection->count()) {
  foreach( $_productCollection as $_product ):
		echo $_product->getProductUrl();
		echo $this->getPriceHtml($_product, true);
		echo $this->htmlEscape($_product->getName());
	endforeach;
}
?>

Get associated products

In /app/design/frontend/default/site/template/catalog/product/view/type/

<?php $_helper = $this->helper('catalog/output'); ?>
<?php $_associatedProducts = $this->getAllowProducts() ?>
<?php //var_dump($_associatedProducts); ?>
<br />
<br />
<?php if (count($_associatedProducts)): ?>
	<?php foreach ($_associatedProducts as $_item): ?> 
		<a href="<?= $_item->getProductUrl(); ?>"><?= $_helper->productAttribute($_item, $_item->getName(), 'name'); ?> | <?= $_item->getName(); ?> | <?= $_item->getPrice(); ?></a>
		<br />
		<br />
	<?php endforeach; ?>
<?php endif; ?>

Get An Array of Country Names/Codes in Magento

<?php
$countryList = Mage::getResourceModel('directory/country_collection')
                    ->loadData()
                    ->toOptionArray(false);
     
    echo '<pre>';
    print_r( $countryList);
    exit('</pre>');
?>

Create a Country Drop Down in the Frontend of Magento

<?php
$_countries = Mage::getResourceModel('directory/country_collection')
                                    ->loadData()
                                    ->toOptionArray(false) ?>
<?php if (count($_countries) > 0): ?>
    <select name="country" id="country">
        <option value="">-- Please Select --</option>
        <?php foreach($_countries as $_country): ?>
            <option value="<?= $_country['value']; ?>">
                <?= $_country['label']; ?>
            </option>
        <?php endforeach; ?>
    </select>
<?php endif; ?>

Return Product Attributes

<?php
$_product->getThisattribute();
$_product->getAttributeText('thisattribute');
$_product->getResource()->getAttribute('thisattribute')->getFrontend()->getValue($_product);
$_product->getData('thisattribute');
// The following returns the option IDs for an attribute that is a multiple-select field: 
$_product->getData('color'); // i.e. 456,499
// The following returns the attribute object, and instance of Mage_Catalog_Model_Resource_Eav_Attribute: 
$_product->getResource()->getAttribute('color'); // instance of Mage_Catalog_Model_Resource_Eav_Attribute
// The following returns an array of the text values for the attribute: 
$_product->getAttributeText('color') // Array([0]=>'red', [1]=>'green')
// The following returns the text for the attribute
if ($attr = $_product->getResource()->getAttribute('color')):
    echo $attr->getFrontend()->getValue($_product); // will display: red, green
endif;
?>

Format Price

<?php
  $formattedPrice = Mage::helper('core')->currency($_finalPrice,true,false);
}
?>

Cart Data

<?php
	$cart = Mage::getModel('checkout/cart')->getQuote()->getData();
	print_r($cart);
	
	$cart = Mage::helper('checkout/cart')->getCart()->getItemsCount();
	print_r($cart);
	
	$session = Mage::getSingleton('checkout/session');
	foreach ($session->getQuote()->getAllItems() as $item) {
		echo $item->getName();
		Zend_Debug::dump($item->debug());
	}
?>

Total items added in cart

<?php
	Mage::getModel('checkout/cart')->getQuote()->getItemsCount();
	Mage::getSingleton('checkout/session')->getQuote()->getItemsCount();
?>

Total Quantity added in cart

<?php
	Mage::getModel('checkout/cart')->getQuote()->getItemsQty();
	Mage::getSingleton('checkout/session')->getQuote()->getItemsQty();
?>

Sub Total for item added in cart

<?php
	Mage::getModel('checkout/cart')->getQuote()->getSubtotal();
	Mage::getSingleton('checkout/session')->getQuote()->getSubtotal();
?>

Grand total for item added in cart

<?php
	Mage::helper('checkout')->formatPrice(Mage::getModel('checkout/cart')->getQuote()->getGrandTotal());
	Mage::helper('checkout')->formatPrice(Mage::getSingleton('checkout/session')->getQuote()->getGrandTotal());
?>

Sub total of cart inkl tax without shipping

<?php
	$quote = Mage::getSingleton('checkout/session')->getQuote();
	$items = $quote->getAllItems();
	foreach ($items as $item) {
		$priceInclVat += $item->getRowTotalInclTax();
	}
	Mage::helper('checkout')->formatPrice($priceInclVat);
?>

Get products id, name, price, quantity, etc. present in your cart

<?php
	// $items = Mage::getModel('checkout/cart')->getQuote()->getAllItems();
	$items = Mage::getSingleton('checkout/session')->getQuote()->getAllItems();

	foreach($items as $item) {
		echo 'ID: '.$item->getProductId().'<br />';
		echo 'Name: '.$item->getName().'<br />';
		echo 'Sku: '.$item->getSku().'<br />';
		echo 'Quantity: '.$item->getQty().'<br />';
		echo 'Price: '.$item->getPrice().'<br />';
		echo "<br />";
	}
?>

Get number of items in cart and total quantity in cart

<?php
	$totalItems = Mage::getModel('checkout/cart')->getQuote()->getItemsCount();
	$totalQuantity = Mage::getModel('checkout/cart')->getQuote()->getItemsQty();
?>

Get Simple Products of a Configurable Product

<?php
	if($_product->getTypeId() == "configurable") {
		$ids = $_product->getTypeInstance()->getUsedProductIds();
?>
<ul>
	<?php
		foreach ($ids as $id) {
			$simpleproduct = Mage::getModel('catalog/product')->load($id);
	?>
		<li>
			<?= $simpleproduct->getName() . " - " . (int)Mage::getModel('cataloginventory/stock_item')->loadByProduct($simpleproduct)->getQty(); ?>
		</li>
	<?php } ?>
</ul>
<?php } ?>

Update all subscribers into a customer group (e.g. 5)

UPDATE
  customer_entity,
	newsletter_subscriber
SET
	customer_entity.`group_id` = 5
WHERE
	customer_entity.`entity_id` = newsletter_subscriber.`customer_id`
AND
	newsletter_subscriber.`subscriber_status` = 1;

Getting Configurable Product from Simple Product ID in Magento 1.5+

<?php
$simpleProductId = 465;
$parentIds = Mage::getResourceSingleton('catalog/product_type_configurable')
    ->getParentIdsByChild($simpleProductId);
$product = Mage::getModel('catalog/product')->load($parentIds[0]);
echo $product->getId(); // ID = 462 (aka, Parent of 465)
?>

Get all associated children product of a configurable product

<?php
  /**
	* Load product by product id
	*/
	$product = Mage::getModel('catalog/product')->load(YOUR_PRODUCT_ID);
 
	/**
	* Get child products id (only ids)
	*/
	$childIds = Mage::getModel('catalog/product_type_configurable')->getChildrenIds($product->getId());
 
	/**
	* Get children products (all associated children products data)
	*/
	$childProducts = Mage::getModel('catalog/product_type_configurable')->getUsedProducts(null,$product);
?>

Get parent id of simple product associated to configurable product

<?php
	$_product = Mage::getModel('catalog/product')->load(YOUR_SIMPLE_PRODUCT_ID);
	$parentIdArray = $_product->loadParentProductIds()->getData('parent_product_ids');
	print_r($parentIdArray);
?>

Check if customer is logged in

<?php
	$_customer = Mage::getSingleton('customer/session')->isLoggedIn();
	if ($_customer) {}
?>

Get product image

<?= $this->helper('catalog/image')->init($_product, 'image'); ?>

Downsize large product images but not enlarge small images

<?php
	$this->helper('catalog/image')
		->init($_product, 'image')
		->keepFrame(false) // avoids getting the small image in original size on a solid background color presented (can be handy not to break some layouts)
		->constrainOnly(true) // avoids getting small images bigger
		->resize(650); // sets the desired width and the height accordingly (proportional by default)
?>

No square (white background) product images

<img src="<?php echo $this->helper('catalog/image')->init($this->getProduct(), 'thumbnail', $_image->getFile())->backgroundcolor('000', '000', '000')->resize(100); ?>" />
<img src="<?php echo $this->helper('catalog/image')->init($this->getProduct(), 'thumbnail', $_image->getFile())->keepFrame(false)->resize(100); ?>" width="100"  ... />

Show image using current skin path (PHTML)

<img src="<?= $this->getSkinUrl('images/logo.png'); ?>" alt="logo" />

Show image using current skin path (CMS)

<img src={{skin url="images/logo.png"}}  />

Show CMS block (PHTML)

<?= $this->getLayout()->createBlock('cms/block')->setBlockId('my_block_identifier')->toHtml(); ?>

Get Customer Shipping/Billing Address

<?php
	$customerAddressId = Mage::getSingleton('customer/session')->getCustomer()->getDefaultShipping();
	if ($customerAddressId){
		$address = Mage::getModel('customer/address')->load($customerAddressId);
	}
?>

Get Product image path

<?php
	$productId = 1;
	$product = Mage::getModel('catalog/product')->load($productId);
	$path = Mage::helper('catalog/image')->init($product, 'image')->resize(75, 75);
?>

Get product URL

<?php
	$productId = 1;
	$product = Mage::getModel('catalog/product')->load($productId);
	$path = Mage::getUrl().$product->getUrlPath();
?>

Get Category URL

<?= Mage::getModel('catalog/category')->load($categoryId)->getUrl(); ?>

Get product stock quantity

<?php
	$id = 52;
	$_product = Mage::getModel('catalog/product')->load($id);

	// or load it by SKU
	// $sku = "microsoftnatural";
	// $_product = Mage::getModel('catalog/product')->loadByAttribute('sku', $sku);

	$stock = Mage::getModel('cataloginventory/stock_item')->loadByProduct($_product);
	
	print_r($stock->getData());
	
	echo $stock->getQty();
	echo $stock->getMinQty();
	echo $stock->getMinSaleQty();
?>

Get actual price and special price of a product

<?php
	$_productId = 52;
	$_product = Mage::getModel('catalog/product')->load($_productId);

	// without currency sign
	$_actualPrice = number_format($_product->getPrice(), 2);
	// with currency sign
	$_formattedActualPrice = Mage::helper('core')->currency(number_format($_product->getPrice(), 2),true,false);

	// without currency sign
	$_specialPrice = $_product->getFinalPrice();
	// with currency sign
	$_formattedSpecialPrice = Mage::helper('core')->currency(number_format($_product->getFinalPrice(), 2),true,false);
?>

Get Currency Symbol

<?= Mage::app()->getLocale()->currency(Mage::app()->getStore()->getCurrentCurrencyCode())->getSymbol(); ?>

Get Currency Code

<?= Mage::app()->getStore()->getCurrentCurrencyCode(); ?>

Track Visitor’s Information

<?php
	$visitorData = Mage::getSingleton('core/session')->getVisitorData();
	print_r($visitorData);
	
	// Array
	// (
	// [] =>
	// [server_addr] => 167772437
	// [remote_addr] => 167772437
	// [http_secure] =>
	// [http_host] => 127.0.0.1
	// [http_user_agent] => Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/534.10 (KHTML, like Gecko) Chrome/8.0.552.237 Safari/534.10
	// [http_accept_language] => en-US,en;q=0.8
	// [http_accept_charset] => ISO-8859-1,utf-8;q=0.7,*;q=0.3
	// [request_uri] => /magento/index.php/catalog/category/view/id/22
	// [session_id] => 13qm5u80238vb15lupqcac97r5
	// [http_referer] => http://127.0.0.1/magento/
	// [first_visit_at] => 2011-01-17 11:42:23
	// [is_new_visitor] =>
	// [last_visit_at] => 2011-01-17 11:58:38
	// [visitor_id] => 41
	// [last_url_id] => 139
	// )
	
	// user's ip address (visitor's ip address)
	$remoteAddr = Mage::helper('core/http')->getRemoteAddr(true);

	// server's ip address (where the current script is)
	$serverAddr = Mage::helper('core/http')->getServerAddr(true);
?>

Get / filter all products by attribute value

<?php
	/**
	* Get all products related to any particular brand
	* Let us suppose that we are fetching the products related to 'Samsung' brand
	* Let us suppose the Manufacturer ID of Samsung = 3
	*/
	
	$manufacturerId = 3;
	$attributeCode = 'manufacturer';
	
	$products = Mage::getModel('catalog/product')->getCollection()->addAttributeToFilter($attributeCode, $manufacturerId);
	
	// print all products
	print_r($products->getItems());
?>

Check if current page is homepage

<?php
	if($this->getIsHomePage()) {
		// Homepage
	} else {
		// not on Homepage
	}

	// alternative method
	$routeName = Mage::app()->getRequest()->getRouteName();
	$identifier = Mage::getSingleton('cms/page')->getIdentifier();
	if($routeName == 'cms' && $identifier == 'home') {
		// Homepage
	} else {
		// not on Homepage
	}
?>

Convert Price from Current Currency to Base Currency and vice-versa

<?php
	$baseCurrencyCode = Mage::app()->getStore()->getBaseCurrencyCode();
	$currentCurrencyCode = Mage::app()->getStore()->getCurrentCurrencyCode();
	$price = 100;
	
	// convert price from current currency to base currency
	$priceOne = Mage::helper('directory')->currencyConvert($price, $currentCurrencyCode, $baseCurrencyCode); 
	
	// convert price from base currency to current currency
	$priceTwo = Mage::helper('directory')->currencyConvert($price, $baseCurrencyCode, $currentCurrencyCode);
?>

Changing price from any one currency to another

<?php
	$from = 'USD';
	$to = 'NPR';
	$price = 10;

	$newPrice = Mage::helper('directory')->currencyConvert($price, $from, $to);
?>

Get Currency Rates

<?php
	/**
	 * Get the base currency
	 */
	$baseCurrencyCode = Mage::app()->getBaseCurrencyCode();

	/**
	 * Get all allowed currencies
	 * returns array of allowed currency codes
	 */
	$allowedCurrencies = Mage::getModel('directory/currency')->getConfigAllowCurrencies();

	/**
	 * Get the currency rates
	 * returns array with key as currency code and value as currency rate
	 */
	$currencyRates = Mage::getModel('directory/currency')->getCurrencyRates($baseCurrencyCode, array_values($allowedCurrencies));

	$allowedCurrencies = Mage::getModel('directory/currency')->getConfigAllowCurrencies();

	/**
	 * Get currency rates for Nepalese Currency
	 */
	$currencyRates = Mage::getModel('directory/currency')->getCurrencyRates('NPR', array_values($allowedCurrencies));
?>

Get all categories

<?php
	$categories = Mage::getModel('catalog/category')->getCollection()->addAttributeToSelect('*');
?>

Get all active categories

<?php
	$categories = Mage::getModel('catalog/category')->getCollection()->addAttributeToSelect('*')->addIsActiveFilter();
?>

Get active categories of any particular level

<?php
	$categories = Mage::getModel('catalog/category')->getCollection()->addAttributeToSelect('*')->addIsActiveFilter()->addLevelFilter(1)->addOrderField('name');
?>

Get store specific categories

<?php
	$helper = Mage::helper('catalog/category');
	
	// sorted by name, fetched as collection
	$categoriesCollection = $helper->getStoreCategories('name', true, false);
	
	// sorted by name, fetched as array
	$categoriesArray = $helper->getStoreCategories('name', false, false);
?>

Get product in stock quantity

<?php
	$_product = Mage::getModel('catalog/product')->load($product_id);
	$qty = Mage::getModel('cataloginventory/stock_item')->loadByProduct($_product)->getQty();
?>

Filter collection or get configurable products:

<?php
  $configurable_products = Mage::getModel('catalog/product')
		->getCollection()
		->addAttributeToSelect('*')
		->addAttributeToFiler('type_id',array('eq'=>'configurable'))
		->load();
?>

Round price

<?php
	echo Mage::getModel('sales/order')->formatPricePrecision($_product->getFinalPrice(), 3);
?>

Get a list of bestsellers

	<?php
$collection = Mage::getResourceModel('sales/report_bestsellers_collection')
		->setModel('catalog/product')
		->addStoreFilter(Mage::app()->getStore()->getId()) //if you want the bestsellers for a specific store view. if you want global values remove this
	->setPageSize(5)//set the number of products you want
	->setCurPage(1);
foreach ($collection as $_product){
	$realProduct = Mage::getModel('catalog/product')->load($_product->getProductId());
	//do something with $realProduct;
}
?>

Add category names in product view page

<?php 
	$categoryIds = $_product->getCategoryIds();
	foreach ($categoryIds as $categoryId){
		$tmpId = $categoryId;
		$categories = array();
		while($tmpId != Mage::app()->getStore()->getRootCategoryId()) {
			$category = Mage::getModel('catalog/category')->setStoreId(Mage::app()->getStore()->getId())->load($tmpId);
			$categories[] = $category;
			$tmpId = $category->getParentId();
		};
		for ($i = count($categories) - 1; $i>=0;$i--){
			echo '<a href="'.echo $categories[$i]->getUrl().'">'.echo $categories[$i]->getName().'</a>';
			if ($i>0){
				echo "-&gt;"<!-- this is the tree separator. change to whatever you like-->
			}
		}
		//break;//uncomment this if you want only one category tree to appear.
	};
?>

Different toolbar in product list / grid

<?= $this->getToolbarBlock()->setTemplate('catalog/product/list/toolbar_bottom.phtml')->toHtml(); ?>

remotely trigger Varien.Tabs Class or EasyTabs

add this to Varien.Tabs.prototype

Varien.Tabs.prototype = {
remoteTabs: function(b) {
var controlledLink = $$("#"+b+" a")[0];
this.showContent(controlledLink);
}
}
var csTablist = new Varien.Tabs('.tabs');

to fire the link remotely you can call

csTablist.remoteTabs('product_tabs_email');

where product_tabs_email is the name of the li that you want to open.

Getting Configurable Attributes (Super Attributes) of a Configurable Product

<?php 
	/**
	* Load Product you want to get Super attributes of
	*/
	$product=Mage::getModel("catalog/product")->load(52520);

	/**
	* Get Configurable Type Product Instace and get Configurable attributes collection
	*/
	$configurableAttributeCollection=$product->getTypeInstance()->getConfigurableAttributes();

	/**
	* Use the collection to get the desired values of attribute
	*/
	foreach($configurableAttributeCollection as $attribute){
		echo "Attr-Code:".$attribute->getProductAttribute()->getAttributeCode()."<br/>";
		echo "Attr-Label:".$attribute->getProductAttribute()->getFrontend()->getLabel()."<br/>";
		echo "Attr-Id:".$attribute->getProductAttribute()->getId()."<br/>";
		var_dump($_attribute->debug()); // returns the set of values you can use the get magic method on
	}
?>

Get order information on success.phtml

<?php
$_customerId = Mage::getSingleton('customer/session')->getCustomerId();
$lastOrderId = Mage::getSingleton('checkout/session')->getLastOrderId();
$order = Mage::getSingleton('sales/order');
$order->load($lastOrderId);
$_totalData =$order->getData();
$_grand = $_totalData['grand_total'];
?>

Random snips

Run Magento Code Externally

Admin Area

<?php
    //set up the store instance
    require_once "app/Mage.php";
    umask(0);
    $app = Mage::app('default');
    $app->getTranslator()->init('frontend');
    Mage::getSingleton('core/session', array('name' => 'frontend'));
    Mage::getConfig()->init();
    
?>

Frontend

<?php
    //set up the store instance
    require_once "app/Mage.php";
    umask(0);
    $app = Mage::app('admin');
    $app->getTranslator()->init('frontend');
    $app->setUseSessionInUrl(false);
    Mage::getSingleton('core/session', array('name' => 'adminhtml'));
    Mage::registry('isSecureArea'); // acting is if we are in the admin
    Mage::getConfig()->init();
    
?>

Hijack session outside magento

<?php
	require_once 'app/Mage.php';
	Mage::app($yourStoreCode);
	Mage::getSingleton('core/session', array('name'=>'frontend'))->setSessionId($_COOKIE['frontend']);
	echo "cart_id=".Mage::helper('checkout/cart')->getCart()->getQuote()->getId();
?>

Programmatically change Magento’s core config data

<?php
// find 'path' in table 'core_config_data' e.g. 'design/head/demonotice'
$my_change_config = new Mage_Core_Model_Config();
// turns notice on
$my_change_config->saveConfig('design/head/demonotice', "1", 'default', 0);
// turns notice off
$my_change_config->saveConfig('design/head/demonotice', "0", 'default', 0);
?>

Changing the Admin URL

Open up the /app/etc/local.xml file, locate the <frontName> tag, and change the ‘admin’ part it to something a lot more random, eg:

<frontName><![CDATA[supersecret-admin-name]]></frontName>

Clear your cache and sessions.

Clear cache

<?php
// clear cache
Mage::app()->removeCache('catalog_rules_dirty');
// reindex prices
Mage::getModel('index/process')->load(2)->reindexEverything();
/*
1 = Product Attributes
2 = Product Attributes
3 = Catalog URL Rewrites
4 = Product Flat Data
5 = Category Flat Data
6 = Category Products
7 = Catalog Search Index
8 = Tag Aggregation Data
9 = Stock Status
*/
?>

Delete cache/sessions

rm -rf var/log/*
rm -rf var/cache/*
rm -rf var/session/*
rm -rf var/report/*
rm -rf var/locks/*
rm -rf app/code/core/Zend/Cache
rm -rf var/ait_rewrite/*
rm -rf media/css/*
rm -rf media/js/*

// if there are many files which can't get deleted in once
find /path/to/session/* -mtime +1 -exec rm {} \;

$_GET, $_POST & $_REQUEST Variables

<?php
// $_GET
$productId = Mage::app()->getRequest()->getParam('product_id');
// The second parameter to getParam allows you to set a default value which is returned if the GET value isn't set
$productId = Mage::app()->getRequest()->getParam('product_id', 44);
$postData = Mage::app()->getRequest()->getPost();
// You can access individual variables like...
$productId = $postData['product_id']);
?>

Get methods of an object

First, use get_class to get the name of an object's class.

<?php $class_name = get_class($object); ?>

Then, pass that get_class_methods to get a list of all the callable methods on an object

<?php
$class_name = get_class($object);
$methods = get_class_methods($class_name);
foreach($methods as $method)
{
  var_dump($method);
}
?>
// Gets the current store's details
$store = Mage::app()->getStore();
 
// Gets the current store's id
$storeId = Mage::app()->getStore()->getStoreId();
 
// Gets the current store's code
$storeCode = Mage::app()->getStore()->getCode();
 
// Gets the current website's id
$websiteId = Mage::app()->getStore()->getWebsiteId();
 
// Gets the current store's group id
$storeGroupId = Mage::app()->getStore()->getGroupId();
 
// Gets the current store's name
$storeName = Mage::app()->getStore()->getName();
 
// Gets the current store's sort order
$storeSortOrder = Mage::app()->getStore()->getSortOrder();
 
// Gets the current store's status
$storeIsActive = Mage::app()->getStore()->getIsActive();
 
// Gets the current store's locale
$storeLocaleCode = Mage::app()->getStore()->getLocaleCode();
 
// Gets the current store's home url
$storeHomeUrl = Mage::app()->getStore()->getHomeUrl();
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