<?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) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: RecordExists.php 16971 2009-07-22 18:05:45Z mikaelkael $
 */  
  
  
/**
 * @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) 2005-2009 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; 
    } 
}