--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Ldap/Collection.php	Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,239 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Ldap
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: Collection.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+/**
+ * Zend_Ldap_Collection wraps a list of LDAP entries.
+ *
+ * @category   Zend
+ * @package    Zend_Ldap
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Ldap_Collection implements Iterator, Countable
+{
+    /**
+     * Iterator
+     *
+     * @var Zend_Ldap_Collection_Iterator_Default
+     */
+    protected $_iterator = null;
+
+    /**
+     * Current item number
+     *
+     * @var integer
+     */
+    protected $_current = -1;
+
+    /**
+     * Container for item caching to speed up multiple iterations
+     *
+     * @var array
+     */
+    protected $_cache = array();
+
+    /**
+     * Constructor.
+     *
+     * @param Zend_Ldap_Collection_Iterator_Default $iterator
+     */
+    public function __construct(Zend_Ldap_Collection_Iterator_Default $iterator)
+    {
+        $this->_iterator = $iterator;
+    }
+
+    public function __destruct()
+    {
+        $this->close();
+    }
+
+    /**
+     * Closes the current result set
+     *
+     * @return boolean
+     */
+    public function close()
+    {
+        return $this->_iterator->close();
+    }
+
+    /**
+     * Get all entries as an array
+     *
+     * @return array
+     */
+    public function toArray()
+    {
+        $data = array();
+        foreach ($this as $item) {
+            $data[] = $item;
+        }
+        return $data;
+    }
+
+    /**
+     * Get first entry
+     *
+     * @return array
+     */
+    public function getFirst()
+    {
+        if ($this->count() > 0) {
+            $this->rewind();
+            return $this->current();
+        } else {
+            return null;
+        }
+    }
+
+    /**
+     * Returns the underlying iterator
+     *
+     * @return Zend_Ldap_Collection_Iterator_Default
+     */
+    public function getInnerIterator()
+    {
+        return $this->_iterator;
+    }
+
+    /**
+     * Returns the number of items in current result
+     * Implements Countable
+     *
+     * @return int
+     */
+    public function count()
+    {
+        return $this->_iterator->count();
+    }
+
+    /**
+     * Return the current result item
+     * Implements Iterator
+     *
+     * @return array|null
+     * @throws Zend_Ldap_Exception
+     */
+    public function current()
+    {
+        if ($this->count() > 0) {
+            if ($this->_current < 0) {
+                $this->rewind();
+            }
+            if (!array_key_exists($this->_current, $this->_cache)) {
+                $current = $this->_iterator->current();
+                if ($current === null) {
+                    return null;
+                }
+                $this->_cache[$this->_current] = $this->_createEntry($current);
+            }
+            return $this->_cache[$this->_current];
+        } else {
+            return null;
+        }
+    }
+
+    /**
+     * Creates the data structure for the given entry data
+     *
+     * @param  array $data
+     * @return array
+     */
+    protected function _createEntry(array $data)
+    {
+        return $data;
+    }
+
+    /**
+     * Return the current result item DN
+     *
+     * @return string|null
+     */
+    public function dn()
+    {
+        if ($this->count() > 0) {
+            if ($this->_current < 0) {
+                $this->rewind();
+            }
+            return $this->_iterator->key();
+        } else {
+            return null;
+        }
+    }
+
+    /**
+     * Return the current result item key
+     * Implements Iterator
+     *
+     * @return int|null
+     */
+    public function key()
+    {
+        if ($this->count() > 0) {
+            if ($this->_current < 0) {
+                $this->rewind();
+            }
+            return $this->_current;
+        } else {
+            return null;
+        }
+    }
+
+    /**
+     * Move forward to next result item
+     * Implements Iterator
+     *
+     * @throws Zend_Ldap_Exception
+     */
+    public function next()
+    {
+        $this->_iterator->next();
+        $this->_current++;
+    }
+
+    /**
+     * Rewind the Iterator to the first result item
+     * Implements Iterator
+     *
+     * @throws Zend_Ldap_Exception
+     */
+    public function rewind()
+    {
+        $this->_iterator->rewind();
+        $this->_current = 0;
+    }
+
+    /**
+     * Check if there is a current result item
+     * after calls to rewind() or next()
+     * Implements Iterator
+     *
+     * @return boolean
+     */
+    public function valid()
+    {
+        if (isset($this->_cache[$this->_current])) {
+            return true;
+        } else {
+            return $this->_iterator->valid();
+        }
+    }
+}
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