diff --git a/app/Console/Commands/example_code_to_markdown.php b/app/Console/Commands/example_code_to_markdown.php
index 042fe42..312695d 100644
--- a/app/Console/Commands/example_code_to_markdown.php
+++ b/app/Console/Commands/example_code_to_markdown.php
@@ -24,7 +24,7 @@ class example_code_to_markdown extends Command
     /**
      * Execute the console command.
      */
-    public function handle()
+    public function handle(): void
     {
         foreach (Item::all() as $item) {
             $item->example_code = $this->convertCodeToMarkdown($item->example_code);
@@ -35,7 +35,7 @@ public function handle()
     private function convertCodeToMarkdown(string $code): string
     {
         return '```
-' . $code . '
+'.$code.'
 ```';
     }
 }
diff --git a/app/Http/Controllers/PhotoController.php b/app/Http/Controllers/PhotoController.php
index 9fc792c..7a6ebab 100644
--- a/app/Http/Controllers/PhotoController.php
+++ b/app/Http/Controllers/PhotoController.php
@@ -14,7 +14,7 @@ public function store(Request $request, int $itemId)
         $item = Item::findOrFail($itemId);
         $photo = $request->file('photo');
 
-        if(!$photo) {
+        if (! $photo) {
             return response()->json(['error' => 'No photo provided'], 400);
         }
 
@@ -25,7 +25,7 @@ public function store(Request $request, int $itemId)
             'path' => $photo->hashName(),
         ]);
 
-        return ['url'=>$photoModel->url, 'id'=>$photoModel->id];
+        return ['url' => $photoModel->url, 'id' => $photoModel->id];
     }
 
     public function destroy(Request $request, int $itemId, int $photoId)
@@ -33,7 +33,7 @@ public function destroy(Request $request, int $itemId, int $photoId)
         $item = Item::findOrFail($itemId);
         $photo = Photo::findOrFail($photoId);
 
-        if($photo->item_id !== $item->id) {
+        if ($photo->item_id !== $item->id) {
             return response()->json(['error' => 'Photo does not belong to item'], 400);
         }
 
diff --git a/app/Models/Photo.php b/app/Models/Photo.php
index 16d867e..7ff128a 100644
--- a/app/Models/Photo.php
+++ b/app/Models/Photo.php
@@ -19,12 +19,13 @@ public function item(): BelongsTo
     {
         return $this->belongsTo(Item::class);
     }
+
     public function getUrlAttribute(): string
     {
         return asset('storage/photos/'.$this->path);
     }
 
-    public static function boot(): void
+    protected static function boot(): void
     {
         parent::boot();
         static::deleting(static function (Photo $photo): void {