Transfer product data from opencart to magento

Primarily

Rate what you want to import into Magento. The clearer the answer to the qestion question, the easier it will be to evaluate your options.

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<?php
//place this file in the Magento root, e.g. ./import.php, "." being you Magento root
//load the magento app with the admin store 
require_once('app/Mage.php');
Mage::app()->setCurrentStore(Mage_Core_Model_App::ADMIN_STORE_ID);

//data import, I assume you can write some sort of input for this $data like reading a zip file or some other format, i here, I assume, this $data array holds arrays of products ($new_product) containing information on a product from open cart
$data = ...

// loop over the data and create the Magento models, these can include products, customers, etc. - for simplicity this is done for products, but can be done for every other data object in magento
foreach ($data as $new_product) {
    //load an empty Magento product model
    $product = Mage::getModel('catalog/product');

    //set the attributes you want
    $product->setData('sku', $new_product['sku']);
    $product->setData('name', $new_product['name']);

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    //save it
    try {
        $product->save();
    }
    catch(Exception $e) {
        Mage::logException($e);
        continue;
    }
}

Mage_Catalog_Model_Product, Mage_Sales_Model_Order Mage_Customer_Model_Customer . Magento :

• Mage_Catalog_Model_Product Mage::getModel('catalog/product')
• Mage_Catalog_Model_Category Mage::getModel('catalog/category')
• Mage_Customer_Model_Customer Mage::getModel('customer/customer')
• Mage_Sales_Model_Order Mage::getModel('sales/order')

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