1.5.1.1. - model order - strange foreach loop

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      		foreach ($data['order_product'] as $order_product) {	
      			$this->db->query("INSERT INTO " . DB_PREFIX . "order_product SET order_id = '" . (int)$order_id . "', product_id = '" . (int)$return_product['product_id'] . "', name = '" . $this->db->escape($return_product['name']) . "', model = '" . $this->db->escape($return_product['model']) . "', quantity = '" . (int)$return_product['quantity'] . "', manufacturer = '" . (int)$return_product['manufacturer'] . "', return_reason_id = '" . (int)$return_product['return_reason_id'] . "', opened = '" . (int)$return_product['opened'] . "', comment = '" . $this->db->escape($return_product['comment']) . "', return_action_id = '" . (int)$return_product['return_action_id'] . "'");
			}