// Lay phien ban module
$sql = "SELECT `mod_version` FROM `" . $db_config['prefix'] . "_setup_modules` WHERE `module_file`=" . $db->dbescape($nv_update_config['formodule']);
$result = $db->sql_query($sql);
$row = $db->sql_fetchrow($result);
$v = "";
$d = 0;
if (preg_match("/^([^\\s]+)\\s+([\\d]+)\$/", $row['mod_version'], $matches)) {
$v = (string) $matches[1];
$d = (int) $matches[2];
}
$array['current_version'] = trim($v);
} else {
$array['current_version'] = "";
}
} else {
$array['current_version'] = $NvUpdate->build_full_ver($global_config['version'], $global_config['revision']);
}
// Kiem tra ho tro phien ban nang cap
if (in_array($array['current_version'], $nv_update_config['allow_old_version'])) {
$array['ability'] = $lang_module['update_ability_1'];
$array['isupdate_allow'] = true;
} else {
$array['ability'] = $lang_module['update_ability_0'];
$array['isupdate_allow'] = false;
}
// Kiem tra va ghi log data
$step = $array['isupdate_allow'] ? 1 : 0;
if ($step == 0 or !isset($nv_update_config['updatelog']['step']) or $nv_update_config['updatelog']['step'] < $step) {
$nv_update_config['updatelog']['step'] = $step;
$nv_update_config['updatelog']['old_version'] = $array['current_version'];
$NvUpdate->set_data_log($nv_update_config['updatelog']);
