--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/program/lib/Roundcube/rcube_result_set.php	Thu Jan 04 15:52:31 2018 -0500
@@ -0,0 +1,118 @@
+<?php
+
+/**
+ +-----------------------------------------------------------------------+
+ | This file is part of the Roundcube Webmail client                     |
+ | Copyright (C) 2006-2013, The Roundcube Dev Team                       |
+ |                                                                       |
+ | Licensed under the GNU General Public License version 3 or            |
+ | any later version with exceptions for skins & plugins.                |
+ | See the README file for a full license statement.                     |
+ |                                                                       |
+ | PURPOSE:                                                              |
+ |   Class representing an address directory result set                  |
+ +-----------------------------------------------------------------------+
+ | Author: Thomas Bruederli <roundcube@gmail.com>                        |
+ +-----------------------------------------------------------------------+
+*/
+
+/**
+ * Roundcube result set class
+ *
+ * Representing an address directory result set.
+ * Implenets Iterator and thus be used in foreach() loops.
+ *
+ * @package    Framework
+ * @subpackage Addressbook
+ */
+class rcube_result_set implements Iterator, ArrayAccess
+{
+    public $count      = 0;
+    public $first      = 0;
+    public $searchonly = false;
+    public $records    = array();
+
+    private $current = 0;
+
+    function __construct($c=0, $f=0)
+    {
+        $this->count = (int)$c;
+        $this->first = (int)$f;
+    }
+
+    function add($rec)
+    {
+        $this->records[] = $rec;
+    }
+
+    function iterate()
+    {
+        return $this->records[$this->current++];
+    }
+
+    function first()
+    {
+        $this->current = 0;
+        return $this->records[$this->current];
+    }
+
+    function seek($i)
+    {
+        $this->current = $i;
+    }
+
+    /*** Implement PHP ArrayAccess interface ***/
+
+    public function offsetSet($offset, $value)
+    {
+        if (is_null($offset)) {
+            $offset = count($this->records);
+            $this->records[] = $value;
+        }
+        else {
+            $this->records[$offset] = $value;
+        }
+    }
+
+    public function offsetExists($offset)
+    {
+        return isset($this->records[$offset]);
+    }
+
+    public function offsetUnset($offset)
+    {
+        unset($this->records[$offset]);
+    }
+
+    public function offsetGet($offset)
+    {
+        return $this->records[$offset];
+    }
+
+    /***  PHP 5 Iterator interface  ***/
+
+    function rewind()
+    {
+        $this->current = 0;
+    }
+
+    function current()
+    {
+        return $this->records[$this->current];
+    }
+
+    function key()
+    {
+        return $this->current;
+    }
+
+    function next()
+    {
+        return $this->iterate();
+    }
+
+    function valid()
+    {
+        return isset($this->records[$this->current]);
+    }
+}