public static function db_connect()
{
if (self::$_db == null) {
$config = new Zend_Config_Ini(dirname(__FILE__) . "/../config.ini", "database");
$params = array('host' => $config->params->host, 'username' => $config->params->username, 'password' => $config->params->password, 'dbname' => $config->params->dbname, 'charset' => 'utf8', 'profiler' => true);
self::$_db = Zend_Db::factory($config->adapter, $params);
Zend_Db_Table_Abstract::setDefaultAdapter(self::$_db);
}
return self::$_db;
}
