Standalone function get increment_id using order id

private static function getIncrementIDfromOrderID($orderID) { $objectManager = \Magento\Framework\App\ObjectManager::getInstance(); // Instance of object manager $resource = $objectManager->get('Magento\Framework\App\ResourceConnection'); $connection = $resource->getConnection(); $tableName = $resource->getTableName('sales_order'); //gives table name…