start a restructure

Creational/Prototype/BookPrototype.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace DesignPatterns\Prototype;
+
+/**
+ * class BookPrototype
+ */
+abstract class BookPrototype
+{
+    /**
+     * @var string
+     */
+    protected $title;
+
+    /**
+     * @var string
+     */
+    protected $category;
+
+    /**
+     * @abstract
+     * @return void
+     */
+    abstract public function __clone();
+
+    /**
+     * @return string
+     */
+    public function getTitle()
+    {
+        return $this->title;
+    }
+
+    /**
+     * @param string $title
+     */
+    public function setTitle($title)
+    {
+        $this->title = $title;
+    }
+}