$subscriptionId = '';
$token = '';
$Command = new CommandPosix();
$Command->appendHelpParameter('show help');
$Command->appendParameter(new Option('access', 'a', 'access token', Option::TYPE_STRING, true), function ($name, $value) use(&$accessToken) {
    $accessToken = $value;
});
$Command->appendParameter(new Option('expire', 'e', 'expire timestamp, milliseconds', Option::TYPE_STRING, true), function ($name, $value) use(&$expireTime) {
    $expireTime = (int) $value;
});
$Command->appendParameter(new Option('desire', 'd', 'desire timestamp, milliseconds', Option::TYPE_STRING, true), function ($name, $value) use(&$desireTime) {
    $desireTime = (int) $value;
});
$Command->appendParameter(new Option('package', 'p', 'package name', Option::TYPE_STRING), function ($name, $value) use(&$packageName) {
    $packageName = $value;
});
$Command->appendParameter(new Option('subscription', 's', 'subscription id', Option::TYPE_STRING, true), function ($name, $value) use(&$subscriptionId) {
    $subscriptionId = $value;
});
$Command->appendParameter(new Option('token', 't', 'purchase token', Option::TYPE_STRING, true), function ($name, $value) use(&$token) {
    $token = $value;
});
try {
    $Command->parse(true);
    $Client = new SubscriptionsClient();
    $Client->setPackage($packageName)->setAccessToken($accessToken);
    $newExpireTime = $Client->defer($subscriptionId, $expireTime, $desireTime, $token);
    printf("new expiration timestamp: %s\n", $newExpireTime);
} catch (RequiredOptionException $Ex) {
    $Command->displayHelp();
}