Psr12 code style fix

src/RefactoringGuru/AbstractFactory/RealWorld/index.php

@@ -298,7 +298,6 @@ public function render(string $templateString, array $arguments = []): string
  */
 class Page
 {
-
     public $title;
 
     public $content;

src/RefactoringGuru/Adapter/RealWorld/index.php

@@ -151,9 +151,11 @@ function clientCode(Notification $notification)
 {
     // ...
 
-    echo $notification->send("Website is down!",
+    echo $notification->send(
+        "Website is down!",
         "<strong style='color:red;font-size: 50px;'>Alert!</strong> " .
-        "Our website is not responding. Call admins and bring it up!");
+        "Our website is not responding. Call admins and bring it up!"
+    );
 
     // ...
 }

src/RefactoringGuru/Bridge/RealWorld/index.php

@@ -124,8 +124,8 @@ public function view(): string
             $this->renderer->renderTitle($this->product->getTitle()),
             $this->renderer->renderTextBlock($this->product->getDescription()),
             $this->renderer->renderImage($this->product->getImage()),
-            $this->renderer->renderTextBlock('$'.number_format($this->product->getPrice(), 2)),
-            $this->renderer->renderLink("/cart/add/".$this->product->getId(), "Add to cart"),
+            $this->renderer->renderTextBlock('$' . number_format($this->product->getPrice(), 2)),
+            $this->renderer->renderLink("/cart/add/" . $this->product->getId(), "Add to cart"),
             $this->renderer->renderFooter()
         ]);
     }
@@ -154,15 +154,30 @@ public function __construct(
         $this->price = $price;
     }
 
-    public function getId(): string { return $this->id; }
+    public function getId(): string
+    {
+        return $this->id;
+    }
 
-    public function getTitle(): string { return $this->title; }
+    public function getTitle(): string
+    {
+        return $this->title;
+    }
 
-    public function getDescription(): string { return $this->description; }
+    public function getDescription(): string
+    {
+        return $this->description;
+    }
 
-    public function getImage(): string { return $this->image; }
+    public function getImage(): string
+    {
+        return $this->image;
+    }
 
-    public function getPrice(): float { return $this->price; }
+    public function getPrice(): float
+    {
+        return $this->price;
+    }
 }
 
 
@@ -326,9 +341,13 @@ function clientCode(Page $page)
 echo "\n\n";
 
 
-$product = new Product("123", "Star Wars, episode1",
+$product = new Product(
+    "123",
+    "Star Wars, episode1",
     "A long time ago in a galaxy far, far away...",
-    "/images/star-wars.jpeg", 39.95);
+    "/images/star-wars.jpeg",
+    39.95
+);
 
 $page = new ProductPage($HTMLRenderer, $product);
 echo "HTML view of a product page, same client code:\n";

src/RefactoringGuru/Command/RealWorld/index.php

@@ -246,8 +246,10 @@ class Queue
 
     public function __construct()
     {
-        $this->db = new \SQLite3(__DIR__ . '/commands.sqlite',
-            SQLITE3_OPEN_CREATE | SQLITE3_OPEN_READWRITE);
+        $this->db = new \SQLite3(
+            __DIR__ . '/commands.sqlite',
+            SQLITE3_OPEN_CREATE | SQLITE3_OPEN_READWRITE
+        );
 
         $this->db->query('CREATE TABLE IF NOT EXISTS "commands" (
             "id" INTEGER PRIMARY KEY AUTO_INCREMENT NOT NULL,

src/RefactoringGuru/Composite/Conceptual/index.php

@@ -61,9 +61,13 @@ public function getParent(): Component
      * во время сборки дерева объектов. Недостаток такого подхода в том, что эти
      * методы будут пустыми для компонентов уровня листа.
      */
-    public function add(Component $component): void { }
+    public function add(Component $component): void
+    {
+    }
 
-    public function remove(Component $component): void { }
+    public function remove(Component $component): void
+    {
+    }
 
     /**
      * EN: You can provide a method that lets the client code figure out whether

src/RefactoringGuru/Composite/RealWorld/index.php

@@ -200,11 +200,11 @@ public function setData($data): void
     public function getData(): array
     {
         $data = [];
-        
+
         foreach ($this->fields as $name => $field) {
             $data[$name] = $field->getData();
         }
-        
+
         return $data;
     }
 
@@ -220,11 +220,11 @@ public function getData(): array
     public function render(): string
     {
         $output = "";
-        
+
         foreach ($this->fields as $name => $field) {
             $output .= $field->render();
         }
-        
+
         return $output;
     }
 }
@@ -244,7 +244,7 @@ public function render(): string
         // RU: Обратите внимание, как комбинированный результат рендеринга
         // потомков включается в тег fieldset.
         $output = parent::render();
-        
+
         return "<fieldset><legend>{$this->title}</legend>\n$output</fieldset>\n";
     }
 }

src/RefactoringGuru/Facade/RealWorld/index.php

@@ -102,9 +102,15 @@ public function downloadVideo(string $url): void
  */
 class YouTube
 {
-    public function fetchVideo(): string { /* ... */ }
+    public function fetchVideo(): string
+    {
+      /* ... */
+    }
 
-    public function saveAs(string $path): void { /* ... */ }
+    public function saveAs(string $path): void
+    {
+      /* ... */
+    }
 
     // EN: ...more methods and classes...
     //
@@ -118,24 +124,45 @@ public function saveAs(string $path): void { /* ... */ }
  */
 class FFMpeg
 {
-    public static function create(): FFMpeg { /* ... */ }
+    public static function create(): FFMpeg
+    {
+      /* ... */
+    }
 
-    public function open(string $video): void { /* ... */ }
+    public function open(string $video): void
+    {
+      /* ... */
+    }
 
     // ...more methods and classes... RU: ...дополнительные методы и классы...
 }
 
 class FFMpegVideo
 {
-    public function filters(): self { /* ... */ }
+    public function filters(): self
+    {
+      /* ... */
+    }
 
-    public function resize(): self { /* ... */ }
+    public function resize(): self
+    {
+      /* ... */
+    }
 
-    public function synchronize(): self { /* ... */ }
+    public function synchronize(): self
+    {
+      /* ... */
+    }
 
-    public function frame(): self { /* ... */ }
+    public function frame(): self
+    {
+      /* ... */
+    }
 
-    public function save(string $path): self { /* ... */ }
+    public function save(string $path): self
+    {
+      /* ... */
+    }
 
     // ...more methods and classes... RU: ...дополнительные методы и классы...
 }

src/RefactoringGuru/Flyweight/Conceptual/index.php

@@ -132,8 +132,12 @@ public function listFlyweights(): void
 // ...
 
 function addCarToPoliceDatabase(
-    FlyweightFactory $ff, $plates, $owner,
-    $brand, $model, $color
+    FlyweightFactory $ff,
+    $plates,
+    $owner,
+    $brand,
+    $model,
+    $color
 ) {
     echo "\nClient: Adding a car to database.\n";
     $flyweight = $ff->getFlyweight([$brand, $model, $color]);
@@ -146,15 +150,17 @@ function addCarToPoliceDatabase(
     $flyweight->operation([$plates, $owner]);
 }
 
-addCarToPoliceDatabase($factory,
+addCarToPoliceDatabase(
+    $factory,
     "CL234IR",
     "James Doe",
     "BMW",
     "M5",
     "red",
 );
 
-addCarToPoliceDatabase($factory,
+addCarToPoliceDatabase(
+    $factory,
     "CL234IR",
     "James Doe",
     "BMW",

src/RefactoringGuru/Flyweight/RealWorld/index.php

@@ -153,7 +153,7 @@ public function __construct(
      * не быть объявленного класса Контекста. Контекстные данные могут храниться
      * в массиве или какой-то другой, более эффективной структуре данных.
      */
-    public function renderProfile(string $name, string  $age, string $owner)
+    public function renderProfile(string $name, string $age, string $owner)
     {
         echo "= $name =\n";
         echo "Age: $age\n";
@@ -305,7 +305,8 @@ public function addCat(
      */
     public function getVariation(
         string $breed,
-        string $image, $color,
+        string $image,
+        string $color,
         string $texture,
         string $fur,
         string $size

src/RefactoringGuru/Singleton/Conceptual/index.php

@@ -45,14 +45,18 @@ class Singleton
      * RU: Конструктор Одиночки всегда должен быть скрытым, чтобы предотвратить
      * создание объекта через оператор new.
      */
-    protected function __construct() { }
+    protected function __construct()
+    {
+    }
 
     /**
      * EN: Singletons should not be cloneable.
      *
      * RU: Одиночки не должны быть клонируемыми.
      */
-    protected function __clone() { }
+    protected function __clone()
+    {
+    }
 
     /**
      * EN: Singletons should not be restorable from strings.

src/RefactoringGuru/Singleton/RealWorld/index.php

@@ -57,14 +57,18 @@ class Singleton
      * RU: Конструктор Одиночки не должен быть публичным. Однако он не может
      * быть приватным, если мы хотим разрешить создание подклассов.
      */
-    protected function __construct() { }
+    protected function __construct()
+    {
+    }
 
     /**
      * EN: Cloning and unserialization are not permitted for singletons.
      *
      * RU: Клонирование и десериализация не разрешены для одиночек.
      */
-    protected function __clone() { }
+    protected function __clone()
+    {
+    }
 
     public function __wakeup()
     {
@@ -215,7 +219,8 @@ public function setValue(string $key, string $value): void
 //
 // RU: ...и восстанавливает их.
 $config2 = Config::getInstance();
-if ($login == $config2->getValue("login") &&
+if (
+    $login == $config2->getValue("login") &&
     $password == $config2->getValue("password")
 ) {
     Logger::log("Config singleton also works fine.");

src/RefactoringGuru/State/RealWorld/Output.txt

@@ -0,0 +1,38 @@
+=== Invoice State Pattern Demo ===
+
+Created invoice: {"id":1001,"amount":1500,"state":"draft","created_at":"2025-07-12 13:14:15"}
+
+--- Scenario 1: Draft -> Open -> Paid ---
+Invoice #1001 finalized - changing from Draft to Open
+Current state: open
+Invoice #1001 paid - changing from Open to Paid
+Current state: paid
+Expected error: Cannot pay invoice in paid state
+
+--- Scenario 2: Draft -> Open -> Void ---
+Invoice #1002 finalized - changing from Draft to Open
+Invoice #1002 voided - changing from Open to Void
+Invoice 2 state: void
+
+--- Scenario 3: Draft -> Open -> Uncollectable -> Paid ---
+Invoice #1003 finalized - changing from Draft to Open
+Invoice #1003 cancelled - changing from Open to Uncollectable
+Invoice 3 state: uncollectable
+Invoice #1003 paid - changing from Uncollectable to Paid
+Invoice 3 final state: paid
+
+--- Scenario 4: Draft -> Open -> Uncollectable -> Void ---
+Invoice #1004 finalized - changing from Draft to Open
+Invoice #1004 cancelled - changing from Open to Uncollectable
+Invoice #1004 voided - changing from Uncollectable to Void
+Invoice 4 final state: void
+
+--- Error Scenario: Invalid transition ---
+Expected error: Cannot pay invoice in draft state
+
+--- State Information ---
+Invoice 1: {"id":1001,"amount":1500,"state":"paid","created_at":"2025-07-12 13:14:15"}
+Invoice 2: {"id":1002,"amount":750,"state":"void","created_at":"2025-07-12 13:14:15"}
+Invoice 3: {"id":1003,"amount":2000,"state":"paid","created_at":"2025-07-12 13:14:15"}
+Invoice 4: {"id":1004,"amount":500,"state":"void","created_at":"2025-07-12 13:14:15"}
+Invoice 5: {"id":1005,"amount":300,"state":"draft","created_at":"2025-07-12 13:14:15"}