Update Highlight.php

src/Highlight.php

@@ -2,7 +2,7 @@
 
 namespace ScoutElastic;
 
-class Highlight
+class Highlight implements \ArrayAccess, \Iterator
 {
     /**
      * @var array
@@ -27,9 +27,63 @@ public function __get($key)
 
         if (isset($this->highlight[$field])) {
             $value = $this->highlight[$field];
+
             return $field == $key ? $value : implode(' ', $value);
         } else {
             return null;
         }
     }
-}
+
+    public function offsetSet($offset, $value)
+    {
+        if (is_null($offset)) {
+            $this->highlight[] = $value;
+        } else {
+            $this->highlight[$offset] = $value;
+        }
+    }
+
+    public function offsetExists($offset)
+    {
+        return isset($this->highlight[$offset]);
+    }
+
+    public function offsetUnset($offset)
+    {
+        unset($this->highlight[$offset]);
+    }
+
+    public function offsetGet($offset)
+    {
+        return isset($this->highlight[$offset]) ? $this->highlight[$offset] : null;
+    }
+
+    public function current()
+    {
+        return current($this->highlight);
+    }
+
+    public function next()
+    {
+        return next($this->highlight);
+    }
+
+    public function key()
+    {
+        return key($this->highlight);
+    }
+
+    public function valid()
+    {
+        $key = key($this->highlight);
+
+        return ($key !== null && $key !== false);
+    }
+
+    public function rewind()
+    {
+        reset($this->highlight);
+    }
+
+
+}