<?php namespace Maatwebsite\Excel\Transactions; use Illuminate\Database\ConnectionInterface; class DbTransactionHandler implements TransactionHandler { /** * @var ConnectionInterface */ private $connection; /** * @param ConnectionInterface $connection */ public function __construct(ConnectionInterface $connection) { $this->connection = $connection; } /** * @param callable $callback * * @throws \Throwable * @return mixed */ public function __invoke(callable $callback) { return $this->connection->transaction($callback); } }