static function create($value = '', $type = self::EMAIL, $global = self::IMPORT_LOCAL) { if (!eZRobinsonListEntry::inList($value)) { $rows = array('value' => $value, 'type' => $type, 'global' => $global); $entry = new eZRobinsonListEntry($rows); $entry->store(); return $entry; } else { return null; } }