Laravel Database Transactions

DB::transaction(function () {
    User::create(['name' => 'John']);
    Order::create(['user_id' => 1]);
});

DB::beginTransaction();
try {
    User::create([...]);
    Order::create([...]);
    DB::commit();
} catch (Exception $e) {
    DB::rollBack();
    throw $e;
}

DB::transaction(function () {
    // ...
}, 5); // Retry 5 times

DB::transaction(function () {
    DB::transaction(function () {
        // Savepoint created
    });
});