public function addOld() {
$read= Mage::getSingleton('core/resource')->getConnection('core_read');
$sql ="select * from `old_newsletter` where status = 0";
$results = $read->query($sql);
$write = Mage::getSingleton('core/resource')->getConnection('core_write');
foreach ($results as $row) {
if (! Mage::getModel('newsletter/subscriber')->loadByEmail(trim($row['email']))) {
Mage::getModel('newsletter/subscriber')->subscribe(trim($row['email']));
$sql ="update old_newsletter set status = 1 where email = ?";
$write->query($sql,array($row['email']));
var_dump($row['email'] . ' add email successed');
}
}
}