$model = Mage::getModel('catalog/product')->getCollection()
Filter based on store:
$mode->addStoreFilter($storeId)
Filter based on product type:
$mode->addAttributeToFilter('type_id', 'configurable')
$mode->addAttributeToFilter('type_id', 'simple')
Filter based on status:
$model->addAttributeToFilter('status',Mage_Catalog_Model_Product_Status::STATUS_DISABLED)
$model->addAttributeToFilter('status',Mage_Catalog_Model_Product_Status::STATUS_ENABLED)
Filter using null and notnull:
$model->addAttributeToFilter('short_description', array('null' => true))
$model->addAttributeToFilter('short_description', array('notnull' => true))
Filter using greater than and less than:
$model->addAttributeToFilter('entity_id', array('gt' => 64230))
$model->addAttributeToFilter('entity_id', array('lt' => 64230))
Filter using greater than and equal to:
$model->addAttributeToFilter('entity_id', array('gteq' => 64230))
Filter using less than and equal to:
$model->addAttributeToFilter('entity_id', array('lteq' => 64230))
Filter using in and not in:
$model->addAttributeToFilter('entity_id', array('in' => array(1,4,64231)))
$model->addAttributeToFilter('entity_id', array('nin' => array(1,4,64231)))
Filter products by a range of entity id:
$model->addAttributeToFilter('entity_id', array(
'from' => 64229,
'to' => 64231
))
Filter based on product visibility:
$model->addAttributeToFilter('visibility', 4) //catalog,search
$model->addAttributeToFilter('visibility', 3) //catalog
$model->addAttributeToFilter('visibility', 2) //search
$model->addAttributeToFilter('visibility', 1) //not visible individually
Filter using like and not like:
$model->addAttributeToFilter('sku', array('nlike' => '5713%'))
$model->addAttributeToFilter('sku', array('like' => '%shirt%'))
Filter using equal to and not equal to:
$model->addAttributeToFilter('sku', array('neq' => 'shirt'))
$model->addAttributeToFilter('sku', array('eq' => 'shirt'))
Filter in stock products:
$model->joinField('is_in_stock',
'cataloginventory/stock_item',
'is_in_stock',
'product_id=entity_id',
'is_in_stock=1', //make this 0 for out of stock products
'{{table}}.stock_id=1',
'left')
Set order by:
$model->setOrder('entity_id','desc')
Set Page Size:
$model->setPageSize(100)