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<?php
//
// +----------------------------------------------------------------------+
// | PEAR :: DB_NestedSet_MDB |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2003 The PHP Group |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.0 of the PHP license, |
// | that is bundled with this package in the file LICENSE, and is |
// | available at through the world-wide-web at |
// | http://www.php.net/license/2_02.txt. |
// | If you did not receive a copy of the PHP license and are unable to |
// | obtain it through the world-wide-web, please send a note to |
// | license@php.net so we can mail you a copy immediately. |
// +----------------------------------------------------------------------+
// | Authors: Daniel Khan <dk@webcluster.at> |
// +----------------------------------------------------------------------+
// Thanks to Hans Lellelid for suggesting support for PEAR::MDB
// and for his help in implementing this.
//
// $Id: MDB.php,v 1.4 2003/05/25 00:46:46 datenpunk Exp $
//
require_once 'MDB.php';
// {{{ DB_NestedSet_MDB:: class
/**
* Wrapper class for PEAR::MDB
*
* @author Daniel Khan <dk@webcluster.at>
* @package DB_NestedSet
* @version $Revision: 1.4 $
* @access public
*/
// }}}
class DB_NestedSet_MDB extends DB_NestedSet {
// {{{ properties
/**
* @var object The MDB object
*/
var $db;
// }}}
// {{{ constructor
/**
* Constructor
*
* @param mixed $dsn DSN as PEAR dsn URI or dsn Array
* @param array $params Database column fields which should be returned
*
*/
function DB_NestedSet_MDB($dsn, $params = array())
{
$this->_debugMessage('DB_NestedSet_MDB($dsn, $params = array())');
$this->DB_NestedSet($params);
$this->db =& $this->_db_Connect($dsn);
$this->db->setFetchMode(MDB_FETCHMODE_ASSOC);
}
// }}}
// {{{ destructor
/**
* Destructor
*/
function _DB_NestedSet_MDB()
{
$this->_debugMessage('_DB_NestedSet_MDB()');
$this->_DB_NestedSet();
$this->_db_Disconnect();
}
// }}}
// {{{ _db_Connect()
/**
* Connects to the db
*
* @return object DB The database object
* @access private
*/
function &_db_Connect($dsn)
{
$this->_debugMessage('_db_Connect($dsn)');
if (is_object($this->db)) {
return $this->db;
}
$db =& MDB::connect($dsn);
$this->_testFatalAbort($db, __FILE__, __LINE__);
return $db;
}
// }}}
// {{{ _db_Disconnect()
/**
* Disconnects from db
*
* @return void
* @access private
*/
function _db_Disconnect()
{
$this->_debugMessage('_db_Disconnect()');
if (is_object($this->db)) {
@$this->db->disconnect();
}
return true;
}
// }}}
}
?>
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