diff --git a/.ci/phpstan.neon b/.ci/phpstan.neon
index 4cdb120e5a..f32333ea46 100644
--- a/.ci/phpstan.neon
+++ b/.ci/phpstan.neon
@@ -8,6 +8,7 @@ parameters:
   ignoreErrors:
     - '#is not allowed to extend#'
     - '#is neither abstract nor final#'
+    - '#Control structures using switch should not be used\.#'
   paths:
     - ../app
     - ../database
diff --git a/app/Console/Commands/Upgrade/OtherCurrenciesCorrections.php b/app/Console/Commands/Upgrade/OtherCurrenciesCorrections.php
index c2f082b784..cefd9bca1b 100644
--- a/app/Console/Commands/Upgrade/OtherCurrenciesCorrections.php
+++ b/app/Console/Commands/Upgrade/OtherCurrenciesCorrections.php
@@ -101,7 +101,7 @@ class OtherCurrenciesCorrections extends Command
         if (array_key_exists($accountId, $this->accountCurrencies) && 0 === $this->accountCurrencies[$accountId]) {
             return null; // @codeCoverageIgnore
         }
-        if (isset($this->accountCurrencies[$accountId]) && $this->accountCurrencies[$accountId] instanceof TransactionCurrency) {
+        if (array_key_exists($accountId, $this->accountCurrencies) && $this->accountCurrencies[$accountId] instanceof TransactionCurrency) {
             return $this->accountCurrencies[$accountId]; // @codeCoverageIgnore
         }
         $currency = $this->accountRepos->getAccountCurrency($account);
diff --git a/app/Console/Commands/Upgrade/TransferCurrenciesCorrections.php b/app/Console/Commands/Upgrade/TransferCurrenciesCorrections.php
index d8a9e4eff7..752bac5087 100644
--- a/app/Console/Commands/Upgrade/TransferCurrenciesCorrections.php
+++ b/app/Console/Commands/Upgrade/TransferCurrenciesCorrections.php
@@ -335,10 +335,10 @@ class TransferCurrenciesCorrections extends Command
     private function getCurrency(Account $account): ?TransactionCurrency
     {
         $accountId = $account->id;
-        if (isset($this->accountCurrencies[$accountId]) && 0 === $this->accountCurrencies[$accountId]) {
+        if (array_key_exists($accountId, $this->accountCurrencies) && 0 === $this->accountCurrencies[$accountId]) {
             return null; // @codeCoverageIgnore
         }
-        if (isset($this->accountCurrencies[$accountId]) && $this->accountCurrencies[$accountId] instanceof TransactionCurrency) {
+        if (array_key_exists($accountId, $this->accountCurrencies) && $this->accountCurrencies[$accountId] instanceof TransactionCurrency) {
             return $this->accountCurrencies[$accountId]; // @codeCoverageIgnore
         }
         $currency = $this->accountRepos->getAccountCurrency($account);
diff --git a/app/Factory/BillFactory.php b/app/Factory/BillFactory.php
index 038b601911..b4dfc6b4b7 100644
--- a/app/Factory/BillFactory.php
+++ b/app/Factory/BillFactory.php
@@ -59,15 +59,15 @@ class BillFactory
     /**
      * @param array $data
      *
-     * @throws FireflyException
      * @return Bill|null
+     * @throws FireflyException
      */
     public function create(array $data): ?Bill
     {
         /** @var TransactionCurrencyFactory $factory */
         $factory = app(TransactionCurrencyFactory::class);
         /** @var TransactionCurrency $currency */
-        $currency = $factory->find((int) ($data['currency_id'] ?? null), (string) ($data['currency_code'] ?? null));
+        $currency = $factory->find((int)($data['currency_id'] ?? null), (string)($data['currency_code'] ?? null));
 
         if (null === $currency) {
             $currency = app('amount')->getDefaultCurrencyByUser($this->user);
@@ -95,8 +95,8 @@ class BillFactory
             throw new FireflyException('400000: Could not store bill.');
         }
 
-        if (isset($data['notes'])) {
-            $this->updateNote($bill, $data['notes']);
+        if (array_key_exists('notes', $data)) {
+            $this->updateNote($bill, (string)$data['notes']);
         }
 
         $objectGroupTitle = $data['object_group'] ?? '';
@@ -108,7 +108,7 @@ class BillFactory
             }
         }
         // try also with ID:
-        $objectGroupId = (int) ($data['object_group_id'] ?? 0);
+        $objectGroupId = (int)($data['object_group_id'] ?? 0);
         if (0 !== $objectGroupId) {
             $objectGroup = $this->findObjectGroupById($objectGroupId);
             if (null !== $objectGroup) {
@@ -128,8 +128,8 @@ class BillFactory
      */
     public function find(?int $billId, ?string $billName): ?Bill
     {
-        $billId   = (int) $billId;
-        $billName = (string) $billName;
+        $billId   = (int)$billId;
+        $billName = (string)$billName;
         $bill     = null;
         // first find by ID:
         if ($billId > 0) {
diff --git a/app/Factory/TransactionJournalFactory.php b/app/Factory/TransactionJournalFactory.php
index 42dc920e26..4214bddd96 100644
--- a/app/Factory/TransactionJournalFactory.php
+++ b/app/Factory/TransactionJournalFactory.php
@@ -57,8 +57,8 @@ class TransactionJournalFactory
     use JournalServiceTrait;
 
     private AccountRepositoryInterface $accountRepository;
-    private AccountValidator $accountValidator;
-    private BillRepositoryInterface $billRepository;
+    private AccountValidator           $accountValidator;
+    private BillRepositoryInterface    $billRepository;
     /** @var CurrencyRepositoryInterface */
     private $currencyRepository;
     /** @var bool */
@@ -87,7 +87,7 @@ class TransactionJournalFactory
     {
         $this->errorOnHash = false;
         // TODO move valid meta fields to config.
-        $this->fields      = [
+        $this->fields = [
             // sepa
             'sepa_cc', 'sepa_ct_op', 'sepa_ct_id',
             'sepa_db', 'sepa_country', 'sepa_ep',
@@ -128,9 +128,9 @@ class TransactionJournalFactory
      *
      * @param array $data
      *
-     * @throws DuplicateTransactionException
-     * @throws FireflyException
      * @return Collection
+     * @throws FireflyException
+     * @throws DuplicateTransactionException
      */
     public function create(array $data): Collection
     {
@@ -246,9 +246,9 @@ class TransactionJournalFactory
     /**
      * @param NullArrayObject $row
      *
-     * @throws FireflyException
-     * @throws DuplicateTransactionException
      * @return TransactionJournal|null
+     * @throws DuplicateTransactionException
+     * @throws FireflyException
      */
     private function createJournal(NullArrayObject $row): ?TransactionJournal
     {
@@ -306,10 +306,10 @@ class TransactionJournalFactory
         Log::debug('Now calling getAccount for the destination.');
         $destinationAccount = $this->getAccount($type->type, 'destination', $destInfo);
         Log::debug('Done with getAccount(2x)');
-        $currency           = $this->getCurrencyByAccount($type->type, $currency, $sourceAccount, $destinationAccount);
-        $foreignCurrency    = $this->compareCurrencies($currency, $foreignCurrency);
-        $foreignCurrency    = $this->getForeignByAccount($type->type, $foreignCurrency, $destinationAccount);
-        $description        = $this->getDescription($description);
+        $currency        = $this->getCurrencyByAccount($type->type, $currency, $sourceAccount, $destinationAccount);
+        $foreignCurrency = $this->compareCurrencies($currency, $foreignCurrency);
+        $foreignCurrency = $this->getForeignByAccount($type->type, $foreignCurrency, $destinationAccount);
+        $description     = $this->getDescription($description);
 
         /** Create a basic journal. */
         $journal = TransactionJournal::create(
@@ -596,8 +596,8 @@ class TransactionJournalFactory
         $this->accountValidator->setTransactionType($transactionType);
 
         // validate source account.
-        $sourceId    = isset($data['source_id']) ? (int) $data['source_id'] : null;
-        $sourceName  = isset($data['source_name']) ? (string) $data['source_name'] : null;
+        $sourceId    = array_key_exists('source_id', $data) ? (int) $data['source_id'] : null;
+        $sourceName  = array_key_exists('source_name', $data) ? (string) $data['source_name'] : null;
         $validSource = $this->accountValidator->validateSource($sourceId, $sourceName, null);
 
         // do something with result:
@@ -606,8 +606,8 @@ class TransactionJournalFactory
         }
         Log::debug('Source seems valid.');
         // validate destination account
-        $destinationId    = isset($data['destination_id']) ? (int) $data['destination_id'] : null;
-        $destinationName  = isset($data['destination_name']) ? (string) $data['destination_name'] : null;
+        $destinationId    = array_key_exists('destination_id', $data) ? (int) $data['destination_id'] : null;
+        $destinationName  = array_key_exists('destination_name', $data) ? (string) $data['destination_name'] : null;
         $validDestination = $this->accountValidator->validateDestination($destinationId, $destinationName, null);
         // do something with result:
         if (false === $validDestination) {
diff --git a/database/factories/EmptyFactory.php b/database/factories/EmptyFactory.php
index 1f65f7e821..0c4adc7fc9 100644
--- a/database/factories/EmptyFactory.php
+++ b/database/factories/EmptyFactory.php
@@ -1,11 +1,11 @@
 <?php
-
+declare(strict_types=1);
 /** @var \Illuminate\Database\Eloquent\Factory $factory */
 
 use Faker\Generator as Faker;
-use FireflyIII\Model;
+use FireflyIII\User;
 
-$factory->define(Model::class, function (Faker $faker) {
+$factory->define(User::class, function (Faker $faker) {
     return [
         //
     ];
diff --git a/routes/breadcrumbs.php b/routes/breadcrumbs.php
index 76cbc0ffd3..068bce92b9 100644
--- a/routes/breadcrumbs.php
+++ b/routes/breadcrumbs.php
@@ -1198,4 +1198,5 @@ try {
     );
 
 } catch (DuplicateBreadcrumbException $e) {
+    // @ignoreException
 }