bhapps

<?php
//get import resource helper
$helper = Mage::getResourceHelper('importexport');

//get next auto increment id
$res = Mage::getSingleton('core/resource');
$readConnection = $res->getConnection('core_read');
$table = $res->getTableName('catalog_product_entity');
$id = Mage::getResourceHelper('importexport')->getNextAutoincrement("{$table}");