/**
* Creates the static SoapHeader
*
* This is the Custom Security Header passed to paypal.
*
* The username here is not the same as you account username and so is the password.
* The subject is the payment on whose behalf you have been authorized to make the operation call.
*
* @param string $Username
* @param string $Password
* @param string $Signature
* @param string $Subject
*/
public static function registerSoapHeader($Username, $Password, $Signature, $Subject = '')
{
$Credentials = new SoapVar(PayPalTypes::UserIdPasswordType($Username, $Password, $Signature, $Subject), SOAP_ENC_OBJECT);
$headerNameSpace = 'urn:ebay:api:PayPalAPI';
$headerName = 'RequesterCredentials';
$headerData = array("Credentials" => $Credentials);
$mustUnderstand = true;
PayPalBase::setSoapHeader(new SoapHeader($headerNameSpace, $headerName, $headerData, $mustUnderstand));
}
