Iterating via objects

src/Aura/Input/FieldCollection.php

@@ -10,14 +10,17 @@
  */
 namespace Aura\Input;
 
+use ArrayIterator;
+use IteratorAggregate;
+
 /**
  * 
  * A collection of fields.
  * 
  * @package Aura.Input
  * 
  */
-class FieldCollection
+class FieldCollection implements IteratorAggregate
 {
     /**
      * 
@@ -92,4 +95,9 @@ public function getNames()
     {
         return array_keys($this->fields);
     }
+
+    public function getIterator()
+    {
+        return new ArrayIterator($this->fields);
+    }
 }

src/Aura/Input/Form.php

@@ -165,9 +165,9 @@ protected function getValue($name, $data)
         $end = strpos($name, ']');
         $sub = substr($name, $pos + 1, $end - $pos - 1)
              . substr($name, $end + 1);
-
+        $value = isset($data[$key]) ? $data[$key] : null;
         // recursively descend into the data
-        return $this->getValue($sub, $data[$key]);
+        return $this->getValue($sub, $value);
     }
 
     /**
@@ -183,7 +183,7 @@ protected function getValue($name, $data)
      */
     public function getValues()
     {
-        $data = [];
+        $data = array_fill_keys($this->fields->getNames(), '');
         foreach ($this->values as $name => $value) {
             $this->setValue($name, $value, $data);
         }
@@ -230,4 +230,4 @@ protected function setValue($name, $value, &$data)
         // recursively descend into the data
         $this->setValue($sub, $value, $data[$key]);
     }
-}
+}