This example invites a phone number to join the text messaging group identified by the keyword "RAMBLES". The SendOptInvitation function is used for this purpose.

PHP - SendOptInvitation.php

// =====================
// account information
// =====================
$username = "999111999";
$pin = "9991";


$firstName = "PersonTo";
$lastName = "Invite";

$invitePhonenumber = "9725551212";

$keyword = "RAMBLES";

$message = "Follow instructs to join my group ";
$YisOK = "0"; 


$proxy = "http://staging-api.call-em-all.com/webservices/ceaapi_v2.asmx?WSDL";
  
$client = new SoapClient($proxy, array("trace" => true));
  
$request = array (
                "username" => $username,
                "pin" => $pin,
                "firstName" => $firstName,
                "lastName" => $lastName,
                "invitePhonenumber" => $invitePhonenumber,
                "keyword" => $keyword,
                "message" => $message,
                "YisOK" => $YisOK,
                 );
                                                     
$response = $client->SendOptInvitation(array("myRequest" => $request));
 
// =====================
// var_dump($response);
// =====================
 
print "errorCode                :" . $response->SendOptInvitationResult->errorCode . "\n";
print "errorMessage             :" . $response->SendOptInvitationResult->errorMessage . "\n";
print "response                 :" . $response->SendOptInvitationResult->response . "\n";
print "keyword                  :" . $response->SendOptInvitationResult->keyword . "\n";
print "message                  :" . $response->SendOptInvitationResult->message . "\n";