replaced return; with return undef;

lib/WebGUI/Commerce/Item.pm

@@ -84,7 +84,7 @@ undef if it's not recurring.
 =cut
 
 sub duration {
-	return;
+	return undef;
 }
 
 #-------------------------------------------------------------------
@@ -97,7 +97,7 @@ your item you don't have to override this method or if you do, you can just retu
 =cut
 
 sub handler {
-	return;
+	return undef;
 }
 
 #-------------------------------------------------------------------

lib/WebGUI/Commerce/Payment.pm

@@ -134,7 +134,7 @@ You only need to override this method if your gateway uses a webbased contacting
 =cut
 
 sub confirmRecurringTransaction {
-	return;
+	return undef;
 }
 
 #-------------------------------------------------------------------
@@ -277,7 +277,7 @@ The term number you want the status of.
 =cut
 
 sub getRecurringPaymentStatus {
-	return;
+	return undef;
 }
 
 #-------------------------------------------------------------------
@@ -383,7 +383,7 @@ A hashref containing:
 =cut
 
 sub normalTransaction {
-	return;
+	return undef;
 }
 
 #-------------------------------------------------------------------
@@ -408,7 +408,7 @@ A hashref containing:
 =cut
 
 sub recurringTransaction {
-	return;
+	return undef;
 }
 
 #-------------------------------------------------------------------

lib/WebGUI/Commerce/Payment/Cash.pm

@@ -36,7 +36,7 @@ our @ISA = qw(WebGUI::Commerce::Payment);
 #-------------------------------------------------------------------
 sub connectionError {
 
-	return;
+	return undef;
 }
 
 #-------------------------------------------------------------------

lib/WebGUI/Commerce/Payment/ITransact.pm

@@ -119,7 +119,7 @@ sub connectionError {
 	$self = shift;
 
 	return $self->resultMessage if ($self->{_connectionError});
-	return;
+	return undef;
 }
 
 #-------------------------------------------------------------------
@@ -325,7 +325,7 @@ sub getRecurringPaymentStatus {
 	my $transactionData = $self->session->db->quickHashRef("select * from ITransact_recurringStatus where gatewayId=".$self->session->db->quote($recurringId));
 	unless ($transactionData->{recipe}) { # if for some reason there's no transaction data, we shouldn't calc anything
 		$self->session->errorHandler->error("For some reason recurring transaction $recurringId doesn't have any recurring status transaction data. This is most likely because you don't have the Recurring Postback URL set in your ITransact virtual terminal.");
-		return;
+		return undef;
 	}
         my $lastTerm = int(($transactionData->{lastTransaction} - $transactionData->{initDate}) / $resolve{$transactionData->{recipe}}) + 1;
 		
@@ -337,7 +337,7 @@ sub getRecurringPaymentStatus {
 		$paymentHistory{resultCode} = $transactionData->{status}.' '.$transactionData->{errorMessage};
 		$paymentHistory{resultCode} = 0 if $transactionData->{status} eq 'OK';
 	} else {
-		return;
+		return undef;
 	}
 		
 	return \%paymentHistory;
@@ -350,7 +350,7 @@ sub errorCode {
 
 	$resultCode = $self->{_response}->{Status};
 	return $resultCode unless ($resultCode eq 'OK');
-	return;
+	return undef;
 }
 
 #-------------------------------------------------------------------
@@ -607,7 +607,7 @@ sub transactionError {
 
 	$resultCode = $self->resultCode;
 	return $self->resultMessage if ($resultCode ne 'OK');
-	return;
+	return undef;
 }
 
 #-------------------------------------------------------------------

lib/WebGUI/Commerce/Shipping.pm

@@ -401,7 +401,7 @@ you'll have to overload this method. Defaults to undef.
 =cut
 
 sub trackingNumber {
-	return;
+	return undef;
 }
 
 #-------------------------------------------------------------------
@@ -414,7 +414,7 @@ info of his package. Overload this method if your plugin supports tracking. Defa
 =cut
 
 sub  trackingUrl {
-	return;
+	return undef;
 }
 
 1;

lib/WebGUI/Commerce/Transaction.pm

@@ -95,7 +95,7 @@ sub cancelTransaction {
 
 	$self->status('Canceled');
 
-	return;
+	return undef;
 }
 
 #-------------------------------------------------------------------
@@ -293,7 +293,7 @@ sub getByGatewayId {
 		" and gateway=".$self->session->db->quote($paymentGateway));
 
 	return WebGUI::Commerce::Transaction->new($self->session, $transactionId) if $transactionId;
-	return;
+	return undef;
 }
 
 #-------------------------------------------------------------------