I've to import custumers from a txt file but I don't know what I have to use like univocal attribute to verify the customer presence into database. For example, for the products import I use the sku attribute.

$product_model = mage::getModel('catalog/product');
                $productId = $product_model->getIdBySku($sku);
                if (!$productId){
                    // insert
                   // update

Can you help me, please?

1 Answer 1


Well I guess you can check by using their email with the following code:

$customer = Mage::getModel('customer/customer')->loadByEmail($customerEmail);
if ($customer->getId()) {
    // Customer exists
} else {
    // Customer doesn't exist

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