public static function getInstance($servidor = 'localhost', $usuario = 'root', $clave = 'tecnicoweb', $bd = 'pface')
{
if (is_null(self::$_singleton)) {
self::$_singleton = new DataBase($servidor, $usuario, $clave, $bd);
}
return self::$_singleton;
}
public static function getInstance()
{
// doesn't exists? create a new one
if (is_null(self::$_singleton)) {
self::$_singleton = new DataBase();
}
// return instance
return self::$_singleton;
}
public static function getInstance($db_name)
{
if (is_null(self::$_singleton)) {
self::$_singleton = new DataBase($db_name);
}
return self::$_singleton;
}
