From da6794d05578e2ff74ee361996eeae1febfd928e Mon Sep 17 00:00:00 2001
From: Ben Scholzen <mail@dasprids.de>
Date: Sat, 14 May 2011 12:13:17 +0200
Subject: [PATCH] Added ArrayAccess to Zend\Config\Config

---
 src/Config.php      | 51 ++++++++++++++++++++++++++++++++++++++++++++-
 test/ConfigTest.php | 19 +++++++++++++++++
 2 files changed, 69 insertions(+), 1 deletion(-)

diff --git a/src/Config.php b/src/Config.php
index 78593ff..280e4b2 100644
--- a/src/Config.php
+++ b/src/Config.php
@@ -30,7 +30,7 @@
  * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
-class Config implements \Countable, \Iterator
+class Config implements \Countable, \Iterator, \ArrayAccess
 {
     /**
      * Whether in-memory modifications to configuration data are allowed
@@ -306,6 +306,55 @@ public function valid()
         return $this->_index < $this->_count;
     }
 
+    /**
+     * offsetExists(): defined by ArrayAccess interface.
+     * 
+     * @see    ArrayAccess::offsetExists()
+     * @param  mixed $offset
+     * @return boolean
+     */
+    public function offsetExists($offset)
+    {
+        return $this->__isset($offset);
+    }
+    
+    /**
+     * offsetGet(): defined by ArrayAccess interface.
+     * 
+     * @see    ArrayAccess::offsetGet()
+     * @param  mixed $offset
+     * @return mixed
+     */
+    public function offsetGet($offset)
+    {
+        return $this->__get($offset);
+    }
+    
+    /**
+     * offsetSet(): defined by ArrayAccess interface.
+     * 
+     * @see    ArrayAccess::offsetSet()
+     * @param  mixed $offset
+     * @param  mixed $value
+     * @return void
+     */
+    public function offsetSet($offset, $value)
+    {
+        $this->__set($offset, $value);
+    }
+    
+    /**
+     * offsetUnset(): defined by ArrayAccess interface.
+     * 
+     * @see    ArrayAccess::offsetUnset()
+     * @param  mixed $offset
+     * @return void
+     */
+    public function offsetUnset($offset)
+    {
+        $this->__unset($offset);
+    }
+    
     /**
      * Returns the section name(s) loaded.
      *
diff --git a/test/ConfigTest.php b/test/ConfigTest.php
index 53d121c..3e7cf2e 100644
--- a/test/ConfigTest.php
+++ b/test/ConfigTest.php
@@ -316,6 +316,25 @@ public function testMerge()
         $this->assertEquals(456, $stdConfig->{2});
 
     }
+    
+    public function testArrayAccess()
+    {
+        $config = new Config($this->_all, true);
+
+        $this->assertEquals('thisname', $config['name']);
+        $config['name'] = 'anothername';
+        $this->assertEquals('anothername', $config['name']);
+        $this->assertEquals('multi', $config['one']['two']['three']);
+
+        $this->assertTrue(isset($config['hostname']));
+        $this->assertTrue(isset($config['db']['name']));
+
+        unset($config['hostname']);
+        unset($config['db']['name']);
+
+        $this->assertFalse(isset($config['hostname']));
+        $this->assertFalse(isset($config['db']['name']));
+    }
 
     /**
      * Ensures that toArray() supports objects of types other than Zend_Config