//to overwrite limit but you need first to increase your memory limit
$collection = Mage::getModel('catalog/product')->getCollection()
->addAttributeToSelect('*') // select all attributes
->setPageSize(5000) // limit number of results returned
->setCurPage(1); // set the offset (useful for pagination)
// we iterate through the list of products to get attribute values
foreach ($collection as $product) {
echo $product->getName(); //get name
echo (float) $product->getPrice(); //get price as cast to float
echo $product->getDescription(); //get description
echo $product->getShortDescription(); //get short description
echo $product->getTypeId(); //get product type
echo $product->getStatus(); //get product status
// getCategoryIds(); returns an array of category IDs associated with the product
foreach ($product->getCategoryIds() as $category_id) {
$category = Mage::getModel('catalog/category')->load($category_id);
echo $category->getName();
echo $category->getParentCategory()->getName(); // get parent of category
}
//gets the image url of the product
echo Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_MEDIA).
'catalog/product'.$product->getImage();
echo $product->getSpecialPrice();
echo $product->getProductUrl(); //gets the product url
echo '<br />';
}