More static analysis

app/Http/Controllers/Admin/Servers/ServerTransferController.php

@@ -91,7 +91,7 @@ class ServerTransferController extends Controller
             $transfer->new_node = $node_id;
             $transfer->old_allocation = $server->allocation_id;
             $transfer->new_allocation = $allocation_id;
-            $transfer->old_additional_allocations = $server->allocations->where('id', '!=', $server->allocation_id)->pluck('id');
+            $transfer->old_additional_allocations = $server->allocations->where('id', '!=', $server->allocation_id)->pluck('id')->all();
             $transfer->new_additional_allocations = $additional_allocations;
 
             $transfer->save();

app/Models/Model.php

@@ -12,7 +12,7 @@ use Illuminate\Validation\ValidationException;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use App\Exceptions\Model\DataValidationException;
 use Illuminate\Database\Eloquent\Model as IlluminateModel;
-use Illuminate\Contracts\Validation\Factory as ValidationFactory;
+use Illuminate\Validation\Factory as ValidationFactory;
 use Illuminate\Validation\Validator;
 
 abstract class Model extends IlluminateModel

app/Services/Allocations/AllocationDeletionService.php

@@ -19,6 +19,6 @@ class AllocationDeletionService
             throw new ServerUsingAllocationException(trans('exceptions.allocations.server_using'));
         }
 
-        return $allocation->delete();
+        return (int) $allocation->delete();
     }
 }

app/Services/Databases/Hosts/HostDeletionService.php

@@ -21,6 +21,6 @@ class HostDeletionService
             throw new HasActiveServersException(trans('exceptions.databases.delete_has_databases'));
         }
 
-        return $host->delete();
+        return (int) $host->delete();
     }
 }

app/Services/Eggs/EggDeletionService.php

@@ -28,6 +28,6 @@ class EggDeletionService
 
         $egg = Egg::query()->findOrFail($egg);
 
-        return $egg->delete();
+        return (int) $egg->delete();
     }
 }

app/Services/Nodes/NodeDeletionService.php

@@ -31,6 +31,6 @@ class NodeDeletionService
             throw new HasActiveServersException($this->translator->get('exceptions.node.servers_attached'));
         }
 
-        return $node->delete();
+        return (int) $node->delete();
     }
 }

app/Transformers/Api/Application/BaseTransformer.php

@@ -50,7 +50,7 @@ abstract class BaseTransformer extends TransformerAbstract
     /**
      * Returns a new transformer instance with the request set on the instance.
      */
-    public static function fromRequest(Request $request): BaseTransformer
+    public static function fromRequest(Request $request): static
     {
         return app(static::class)->setRequest($request);
     }

phpstan.neon

@@ -7,7 +7,7 @@ parameters:
         - app/
 
     # Level 9 is the highest level
-    level: 2
+    level: 3
 
     ignoreErrors:
         # Prologue\Alerts defines its methods from its configuration file dynamically