root/dev/common/includes/class.config.php @ 289

<?php
class Config
{
    function Config($site)
    {
        config::init();
    }

    function checkCheckbox($name)
    {
        if ($_POST[$name] == 'on')
        {
            config::set($name, '1');
            return true;
        }
        config::set($name, '0');
        return false;
    }

    function init()
    {
        global $config_init;

        if ($config_init)
        {
            return;
        }

        $db = new DBQuery();
        $db->execute('select * from kb3_config where cfg_site=\''.KB_SITE."'");
        $config = &config::_getCache();
        while ($row = $db->getRow())
        {
            if (substr($row['cfg_value'], 0, 2) == 'a:')
            {
                $row['cfg_value'] = unserialize($row['cfg_value']);
            }
            $config[$row['cfg_key']] = $row['cfg_value'];
        }
        $config_init = true;

        if (config::get('post_password') === null)
        {
            // no config supplied, generate standard one
            config::set('style_name', 'default');
            config::set('style_banner', 'default');
            config::set('kill_points', 1);
            config::set('least_active', 0);
            config::set('post_password', 'CHANGEME');
        }
    }

    function &_getCache()
    {
        static $cache;

        if (!isset($cache))
        {
            $cache = array();
        }
        return $cache;
    }

    function put($key, $data)
    {
        $cache = &config::_getCache();
        $cache[$key] = $data;
    }

    function del($key)
    {
        $cache = &config::_getCache();
        if (isset($cache[$key]))
        {
            unset($cache[$key]);
        }

        $qry = new DBQuery();
        $qry->execute("delete from kb3_config where cfg_key = '".$key."'
                               and cfg_site = '".KB_SITE."'");
    }

    function set($key, $value)
    {
        $cache = &config::_getCache();

        // only update the database when the old value differs
        if (isset($cache[$key]))
        {
            if ($cache[$key] === $value)
            {
                return;
            }
        }

        if (is_array($value))
        {
            $cache[$key] = $value;
            $value = serialize($value);
        }
        else
        {
            $cache[$key] = stripslashes($value);
        }
        $value = addslashes($value);

        $qry = new DBQuery();
        $qry->execute("select cfg_value from kb3_config
                       where cfg_key = '".$key."' and cfg_site = '".KB_SITE."'");
        if ($qry->recordCount())
        {
            $sql = "update kb3_config set cfg_value = '".$value."'
                    where cfg_site = '".KB_SITE."' and cfg_key = '".$key."'";
        }
        else
        {
            $sql = "insert into kb3_config values ('".KB_SITE."','".$key."','".$value."')";
        }
        $qry->execute($sql);
    }

    function &get($key)
    {
        $cache = &config::_getCache();

        if (!isset($cache[$key]))
        {
            return config::defaultval($key);
        }
        return stripslashes($cache[$key]);
    }

    function defaultval($key)
    {
        // add important upgrade configs here, they will return the default if not set
        $defaults = array('summarytable_rowcount' => 6);

        if (!isset($defaults[$key]))
        {
            return null;
        }
        return $defaults[$key];
    }
}
?>