$pp = DB_DataObject::factory('core_person');
$pp->whereAdd('LOWER(email) = "' . $pp->escape(strtolower(trim($this->email))) . '"');
if ($pp->count()){
$pp = DB_DataObject::factory('core_person');
$pp->whereAdd('LOWER(email) = "' . $pp->escape(strtolower(trim($this->email))) . '"');
if ($pp->count()){