Updated readme and phpdocs

README.md

@@ -158,6 +158,19 @@ Cart::total();
  Cart::count();      // Total items
  Cart::count(false); // Total rows
 ```
+
+**Cart::search()**
+
+```php
+/**
+ * Search if the cart has a item
+ * 
+ * @param  Array  $search An array with the item ID and optional options
+ * @return boolean
+ */
+ 
+ Cart::search(array('id' => 1, 'options' => array('size' => 'L')));
+```
      
 ## Collections
 

src/Gloudemans/Shoppingcart/Cart.php

@@ -204,6 +204,24 @@ class Cart {
         return $count;
     }
 
+    /**
+     * Search if the cart has a item
+     * 
+     * @param  Array  $search An array with the item ID and optional options
+     * @return boolean
+     */
+    public function search($search)
+    {
+        foreach($this->getContent() as $item)
+        {
+            $rowId = $this->generateRowId($search['id'], $search['options']);
+
+            if($rowId === $item->rowid) return true;
+        }
+
+        return false;
+    }
+
     /**
      * Generate a unique id for the new row
      * 
@@ -211,7 +229,7 @@ class Cart {
      * @param  Array   $options Array of additional options, such as 'size' or 'color'
      * @return boolean
      */
-    public function generateRowId($id, $options)
+    protected function generateRowId($id, $options)
     {
         return md5($id . serialize($options));
     }
@@ -344,16 +362,4 @@ class Cart {
         return $this->updateRow($rowId, $attributes);
     }
 
-    public function search($search)
-    {
-        foreach($this->getContent() as $item)
-        {
-            $rowId = $this->generateRowId($search['id'], $search['options']);
-
-            if($rowId === $item->rowid) return true;
-        }
-
-        return false;
-    }
-
 }