added prototype pattern

Prototype/Prototype.php

@@ -0,0 +1,65 @@
+<?php
+
+namespace DesignPatterns;
+
+/**
+ * Prototype pattern
+ *
+ * Purpose:
+ * to avoid the the cost of creating objects the standard way (new Foo()) and instead create a prototype and clone it
+ *
+ * Examples:
+ * - Large amounts of data (e.g. create 1,000,000 rows in a database at once via a ORM)
+ *
+ */
+abstract class BookPrototype
+{
+    protected $_title;
+    protected $_category;
+
+    /**
+     * @abstract
+     * @return void
+     */
+    abstract function __clone();
+
+    public function getTitle()
+    {
+        return $this->_title;
+    }
+
+    public function setTitle($title)
+    {
+        $this->_title = $title;
+    }
+}
+
+class FooBookPrototype extends BookPrototype
+{
+    protected $_category = 'Foo';
+
+    public function __clone()
+    {
+        
+    }
+}
+
+class BarBookPrototype extends BookPrototype
+{
+    protected $_category = 'Bar';
+
+
+    public function __clone()
+    {
+        
+    }
+}
+
+$fooPrototype = new FooBookPrototype();
+$barPrototype = new BarBookPrototype();
+
+// now lets say we need 10,000 books of foo and 5,000 of bar ...
+for ($i = 0; $i < 10000; $i++) {
+    $book = clone $fooPrototype;
+    $book->setTitle('Foo Book No ' . $i);
+}