Adding __unset magic method

src/Ary.php

@@ -201,17 +201,6 @@ class Ary implements ArrayAccess, Countable, IteratorAggregate, JsonSerializable
         return count($this->items);
     }
 
-    /**
-     * Unset the item at a given offset.
-     *
-     * @param  string $key
-     * @return void
-     */
-    public function offsetUnset($key)
-    {
-        unset($this->items[$key]);
-    }
-
     /**
      * Convert the collection to its string representation.
      *
@@ -282,4 +271,25 @@ class Ary implements ArrayAccess, Countable, IteratorAggregate, JsonSerializable
     {
         return array_search($value, $this->items, $strict);
     }
+
+    public function ary($item)
+    {
+        return new ary($this->get($item));
+    }
+
+    public function __unset($key)
+    {
+        $this->offsetUnset($key);
+    }
+
+    /**
+     * Unset the item at a given offset.
+     *
+     * @param  string $key
+     * @return void
+     */
+    public function offsetUnset($key)
+    {
+        unset($this->items[$key]);
+    }
 }

test/Test.php

@@ -127,6 +127,17 @@ class Test extends PHPUnit_Framework_TestCase
         $this->assertEquals(json_encode(new Ary($original)), json_encode((array)$original));
     }
 
+    /**
+     * @dataProvider various
+     */
+    public function ary()
+    {
+        $test = ['x' => ['xx' => 'xxx']];
+        $ary = new Ary($test);
+        $this->assertEquals(ary($test)->x['xx'], $ary->ary('x')->xx);
+        $this->assertEquals(ary(ary($test)->x['xx']), $ary->ary('x')->ary('xx'));
+    }
+
 //    public function testOffsetExists()
 //    {
 //        $parameters = array(7,8,9,4);