PHP8

More/EAV/Attribute.php

@@ -4,15 +4,13 @@ namespace DesignPatterns\More\EAV;
 
 use SplObjectStorage;
 
-class Attribute
+class Attribute implements \Stringable
 {
     private SplObjectStorage $values;
-    private string $name;
 
-    public function __construct(string $name)
+    public function __construct(private string $name)
     {
         $this->values = new SplObjectStorage();
-        $this->name = $name;
     }
 
     public function addValue(Value $value)

More/EAV/Entity.php

@@ -4,7 +4,7 @@ namespace DesignPatterns\More\EAV;
 
 use SplObjectStorage;
 
-class Entity
+class Entity implements \Stringable
 {
     /**
      * @var SplObjectStorage<Value,Value>
@@ -12,19 +12,11 @@ class Entity
     private $values;
 
     /**
-     * @var string
-     */
-    private string $name;
-
-    /**
-     * @param string $name
      * @param Value[] $values
      */
-    public function __construct(string $name, $values)
+    public function __construct(private string $name, $values)
     {
-        /** @var SplObjectStorage<Value,Value> values */
         $this->values = new SplObjectStorage();
-        $this->name = $name;
 
         foreach ($values as $value) {
             $this->values->attach($value);

More/EAV/Value.php

@@ -2,16 +2,10 @@
 
 namespace DesignPatterns\More\EAV;
 
-class Value
+class Value implements \Stringable
 {
-    private Attribute $attribute;
-    private string $name;
-
-    public function __construct(Attribute $attribute, string $name)
+    public function __construct(private Attribute $attribute, private string $name)
     {
-        $this->name = $name;
-        $this->attribute = $attribute;
-
         $attribute->addValue($this);
     }
 

More/Repository/Domain/Post.php

@@ -4,11 +4,6 @@ namespace DesignPatterns\More\Repository\Domain;
 
 class Post
 {
-    private PostId $id;
-    private PostStatus $status;
-    private string $title;
-    private string $text;
-
     public static function draft(PostId $id, string $title, string $text): Post
     {
         return new self(
@@ -29,12 +24,12 @@ class Post
         );
     }
 
-    private function __construct(PostId $id, PostStatus $status, string $title, string $text)
-    {
-        $this->id = $id;
-        $this->status = $status;
-        $this->text = $text;
-        $this->title = $title;
+    private function __construct(
+        private PostId $id,
+        private PostStatus $status,
+        private string $title,
+        private string $text
+    ) {
     }
 
     public function getId(): PostId

More/Repository/Domain/PostId.php

@@ -13,8 +13,6 @@ use InvalidArgumentException;
  */
 class PostId
 {
-    private int $id;
-
     public static function fromInt(int $id): PostId
     {
         self::ensureIsValid($id);
@@ -22,9 +20,8 @@ class PostId
         return new self($id);
     }
 
-    private function __construct(int $id)
+    private function __construct(private int $id)
     {
-        $this->id = $id;
     }
 
     public function toInt(): int

More/Repository/Domain/PostStatus.php

@@ -21,9 +21,6 @@ class PostStatus
         self::STATE_PUBLISHED_ID => self::STATE_PUBLISHED,
     ];
 
-    private int $id;
-    private string $name;
-
     public static function fromInt(int $statusId)
     {
         self::ensureIsValidId($statusId);
@@ -43,10 +40,8 @@ class PostStatus
         return new self($state, $status);
     }
 
-    private function __construct(int $id, string $name)
+    private function __construct(private int $id, private string $name)
     {
-        $this->id = $id;
-        $this->name = $name;
     }
 
     public function toInt(): int

More/Repository/PostRepository.php

@@ -17,11 +17,8 @@ use DesignPatterns\More\Repository\Domain\PostId;
  */
 class PostRepository
 {
-    private Persistence $persistence;
-
-    public function __construct(Persistence $persistence)
+    public function __construct(private Persistence $persistence)
     {
-        $this->persistence = $persistence;
     }
 
     public function generateId(): PostId