Adapter definition

Author: hbrawnak

Adapter/index.php

@@ -1,5 +1,10 @@
 <?php
 
+/*
+ * Covert the interface of a class into another interface clients expects. Adapter lets classes work
+ * together that couldn't otherwise because of incompatible interfaces.
+ * */
+
 require 'vendor/autoload.php';
 
 use Adapter\Book;

README.md

@@ -8,4 +8,7 @@ Christopher Alexander Says, "Each pattern describes a problem which occurs over
 
 
 #### 1.Decorator
-Attach additional responsibilities to an object dynamically. Decorators provide a flexible alternative to subclass for extending functionality. [find here detail with example](https://github.com/hbrawnak/php-design-pattern/blob/master/Decorator/index.php#L4)
+Attach additional responsibilities to an object dynamically. Decorators provide a flexible alternative to subclass for extending functionality. [find here detail with example](https://github.com/hbrawnak/php-design-pattern/blob/master/Decorator/index.php#L4)
+
+#### 2.Adapter
+Covert the interface of a class into another interface clients expects. Adapter lets classes work together that couldn't otherwise because of incompatible interfaces. [example](https://github.com/hbrawnak/php-design-pattern/blob/master/Adapter/index.php#L4)