$requestOrder->setSubtype('3Y');
$requestOrder->setPurpose('AA');
//Create the Request object, then add the Order to it.
$request = new Request();
//If you call this method, you will need to ensure a
//$newPassword = $request->resetPassword();
$request->setHost($CONFIG_HOST);
$request->setAccount($CONFIG_ACCOUNT);
$request->setUserID($CONFIG_USERID);
$request->setPassword($CONFIG_PASSWORD);
$request->setReportType($CONFIG_REPORTTYPE);
$request->setADRIPAddress($CONFIG_ADRIPADDRESS);
$request->setADRPort($CONFIG_ADRPORT);
//An optional report
$request->setAdditionalReportType(\Adr\Request\AdditionalReportType::HTML);
$request->addOrder($requestOrder);
//Let's check out how the Request XML looks
print 'REQUEST XML BEING SENT TO ADR:' . PHP_EOL . $request->getXML();
//Our Request is ready to send to ADR, but we're not actually doing it as I assume you do not have an account.
try {
    $response = $request->send();
    //Did we reset that password?  Save it or you'll be <epic>Sad Face</epic>.
    if ($request->hasNewPassword()) {
        $newPassword = $request->getNewPassword();
        //Open a file / database / whatever and save your new password.
    }
} catch (Exception $e) {
    print "Exception found : " . $e->getMessage();
}
//If you wanted to get the HTML report, assuming you set it above: $request->setAdditionalReportType(\Adr\Request\AdditionalReportType::HTML);
//print $response->getReportData();