adding zend project folders into old campcaster.

library/Zend/Validate/Db/RecordExists.php

@@ -0,0 +1,51 @@
+<?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_Validate
+ * @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: RecordExists.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+/**
+ * @see Zend_Validate_Db_Abstract
+ */
+require_once 'Zend/Validate/Db/Abstract.php';
+
+/**
+ * Confirms a record exists in a table.
+ *
+ * @category   Zend
+ * @package    Zend_Validate
+ * @uses       Zend_Validate_Db_Abstract
+ * @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_Validate_Db_RecordExists extends Zend_Validate_Db_Abstract
+{
+    public function isValid($value)
+    {
+        $valid = true;
+        $this->_setValue($value);
+
+        $result = $this->_query($value);
+        if (!$result) {
+            $valid = false;
+            $this->_error(self::ERROR_NO_RECORD_FOUND);
+        }
+
+        return $valid;
+    }
+}