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/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
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/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
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/**
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/**
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 * Provides an object interface to a table row
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 * Provides an object interface to a table row
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 *
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 *
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 * PHP versions 4 and 5
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 * PHP version 5
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 *
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 *
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 * LICENSE: This source file is subject to version 3.0 of the PHP license
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 * LICENSE: This source file is subject to version 3.0 of the PHP license
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 * that is available through the world-wide-web at the following URI:
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 * that is available through the world-wide-web at the following URI:
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 * http://www.php.net/license/3_0.txt.  If you did not receive a copy of
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 * http://www.php.net/license/3_0.txt.  If you did not receive a copy of
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 * the PHP License and are unable to obtain it through the web, please
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 * the PHP License and are unable to obtain it through the web, please
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 * send a note to license@php.net so we can mail you a copy immediately.
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 * send a note to license@php.net so we can mail you a copy immediately.
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 *
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 *
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 * @category   Database
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 * @category   Database
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 * @package    DB
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 * @package    DB
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 * @author     Stig Bakken <stig@php.net>
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 * @author     Stig Bakken <stig@php.net>
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 * @copyright  1997-2005 The PHP Group
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 * @copyright  1997-2007 The PHP Group
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 * @license    http://www.php.net/license/3_0.txt  PHP License 3.0
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 * @license    http://www.php.net/license/3_0.txt  PHP License 3.0
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 * @version    CVS: $Id: storage.php,v 1.21 2005/02/02 02:54:51 danielc Exp $
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 * @version    CVS: $Id$
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 * @link       http://pear.php.net/package/DB
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 * @link       http://pear.php.net/package/DB
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 */
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 */
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 * statements.
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 * statements.
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 *
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 *
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 * @category   Database
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 * @category   Database
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 * @package    DB
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 * @package    DB
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 * @author     Stig Bakken <stig@php.net>
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 * @author     Stig Bakken <stig@php.net>
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 * @copyright  1997-2005 The PHP Group
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 * @copyright  1997-2007 The PHP Group
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 * @license    http://www.php.net/license/3_0.txt  PHP License 3.0
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 * @license    http://www.php.net/license/3_0.txt  PHP License 3.0
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 * @version    Release: 1.7.6
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 * @version    Release: 1.9.2
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 * @link       http://pear.php.net/package/DB
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 * @link       http://pear.php.net/package/DB
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 */
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 */
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class DB_storage extends PEAR
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class DB_storage extends PEAR
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{
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{
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    // {{{ properties
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    // {{{ properties
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     * each new value, called with three parameters: the name of the
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     * each new value, called with three parameters: the name of the
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     * field/column that is changing, a reference to the new value and
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     * field/column that is changing, a reference to the new value and
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     * a reference to this object
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     * a reference to this object
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     *
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     *
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     */
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     */
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    function DB_storage($table, $keycolumn, &$dbh, $validator = null)
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    function __construct($table, $keycolumn, &$dbh, $validator = null)
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    {
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    {
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        $this->PEAR('DB_Error');
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        $this->PEAR('DB_Error');
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        $this->_table = $table;
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        $this->_table = $table;
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        $this->_keycolumn = $keycolumn;
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        $this->_keycolumn = $keycolumn;
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        $this->_dbh = $dbh;
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        $this->_dbh = $dbh;
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     * @return object a new instance of DB_storage or a subclass of it
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     * @return object a new instance of DB_storage or a subclass of it
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     */
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     */
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    function &create($table, &$data)
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    function &create($table, &$data)
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    {
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    {
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        $classname = strtolower(get_class($this));
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        $classname = strtolower(get_class($this));
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        $obj =& new $classname($table);
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        $obj = new $classname($table);
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        foreach ($data as $name => $value) {
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        foreach ($data as $name => $value) {
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            $obj->_properties[$name] = true;
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            $obj->_properties[$name] = true;
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            $obj->$name = &$value;
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            $obj->$name = &$value;
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        }
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        }
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        return $obj;
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        return $obj;
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     *
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     *
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     * @return DB_OK or a DB error
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     * @return DB_OK or a DB error
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     */
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     */
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    function store()
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    function store()
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    {
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    {
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        $params = array();
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        $vars = array();
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        foreach ($this->_changes as $name => $foo) {
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        foreach ($this->_changes as $name => $foo) {
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            $params[] = &$this->$name;
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            $params[] = &$this->$name;
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            $vars[] = $name . ' = ?';
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            $vars[] = $name . ' = ?';
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        }
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        }
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        if ($vars) {
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        if ($vars) {