Addded Prototype Desin Pattern

src/Pattern/Creational/Prototype/Author.php

@@ -0,0 +1,27 @@
+<?php
+
+/**
+ * @package: patterns
+ * @author: Yevhen Odynets
+ * @date: 2025-07-04
+ * @time: 07:54
+ */
+
+declare(strict_types = 1);
+
+namespace Pattern\Creational\Prototype;
+
+class Author
+{
+    /**
+     * @var Page[]
+     */
+    private array $pages = [];
+
+    public function __construct(private string $name) {}
+
+    public function addToPage(Page $page): void
+    {
+        $this->pages[] = $page;
+    }
+}

src/Pattern/Creational/Prototype/Page.php

@@ -0,0 +1,60 @@
+<?php
+
+/**
+ * @package: patterns
+ * @author: Yevhen Odynets
+ * @date: 2025-07-04
+ * @time: 07:53
+ */
+
+declare(strict_types = 1);
+
+namespace Pattern\Creational\Prototype;
+
+use DateTime;
+
+/**
+ * Prototype.
+ */
+class Page
+{
+    /** @noinspection PhpPropertyOnlyWrittenInspection */
+    private array $comments = [];
+
+    /** @noinspection PhpPropertyOnlyWrittenInspection */
+    private DateTime $date;
+
+    public function __construct(
+        private string $title,
+        private string $body,
+        private readonly Author $author,
+    ) {
+        $this->author->addToPage($this);
+        $this->date = new DateTime();
+    }
+
+    public function addComment(string $comment): void
+    {
+        $this->comments[] = $comment;
+    }
+
+    /**
+     * You can control what data you want to carry over to the cloned object.
+     *
+     * For instance, when a page is cloned:
+     * - It gets a new "Copy of ..." title.
+     * - The author of the page remains the same. Therefore we leave the
+     * reference to the existing object while adding the cloned page to the list
+     * of the author's pages.
+     * - We don't carry over the comments from the old page.
+     * - We also attach a new date object to the page.
+     */
+    public function __clone(): void
+    {
+        $this->title = "КОПІЯ: " . $this->title;
+        $this->body = "КОПІЯ: " . $this->body;
+        $this->author->addToPage($this);
+        $this->comments = [];
+        $this->date = new DateTime();
+    }
+}