update.php

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<?php
/**
 * @package     Joomla.Platform
 * @subpackage  Table
 *
 * @copyright   Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE
 */

defined('JPATH_PLATFORM') or die;

/**
 * Update table
 * Stores updates temporarily
 *
 * @package     Joomla.Platform
 * @subpackage  Table
 * @since       11.1
 */
class JTableUpdate extends JTable
{
        /**
         * Constructor
         *
         * @param   JDatabaseDriver  $db  Database driver object.
         *
         * @since   11.1
         */
        public function __construct(JDatabaseDriver $db)
        {
                parent::__construct('#__updates', 'update_id', $db);
        }

        /**
         * Overloaded check function
         *
         * @return  boolean  True if the object is ok
         *
         * @see     JTable::check()
         * @since   11.1
         */
        public function check()
        {
                // Check for valid name
                if (trim($this->name) == '' || trim($this->element) == '')
                {
                        $this->setError(JText::_('JLIB_DATABASE_ERROR_MUSTCONTAIN_A_TITLE_EXTENSION'));

                        return false;
                }
                return true;
        }

        /**
         * Overloaded bind function
         *
         * @param   array  $array   Named array
         * @param   mixed  $ignore  An optional array or space separated list of properties
         *                          to ignore while binding.
         *
         * @return  mixed  Null if operation was satisfactory, otherwise returns an error
         *
         * @see     JTable::bind()
         * @since   11.1
         */
        public function bind($array, $ignore = '')
        {
                if (isset($array['params']) && is_array($array['params']))
                {
                        $registry = new JRegistry;
                        $registry->loadArray($array['params']);
                        $array['params'] = (string) $registry;
                }

                if (isset($array['control']) && is_array($array['control']))
                {
                        $registry = new JRegistry;
                        $registry->loadArray($array['control']);
                        $array['control'] = (string) $registry;
                }

                return parent::bind($array, $ignore);
        }

        /**
         * Method to create and execute a SELECT WHERE query.
         *
         * @param   array  $options  Array of options
         *
         * @return  string  Results of query
         *
         * @since   11.1
         */
        public function find($options = array())
        {
                $where = array();

                foreach ($options as $col => $val)
                {
                        $where[] = $col . ' = ' . $this->_db->quote($val);
                }

                $query = $this->_db->getQuery(true)
                        ->select($this->_db->quoteName($this->_tbl_key))
                        ->from($this->_db->quoteName($this->_tbl))
                        ->where(implode(' AND ', $where));
                $this->_db->setQuery($query);

                return $this->_db->loadResult();
        }
}