+ # false laziness with check
+ my( $m, $y );
+ if ( $self->paydate =~ /^(\d{1,2})[\/\-](\d{2}(\d{2})?)$/ ) {
+ ( $m, $y ) = ( $1, length($2) == 4 ? $2 : "20$2" );
+ } elsif ( $self->paydate =~ /^19(\d{2})[\/\-](\d{1,2})[\/\-]\d+$/ ) {
+ ( $m, $y ) = ( $2, "19$1" );
+ } elsif ( $self->paydate =~ /^(20)?(\d{2})[\/\-](\d{1,2})[\/\-]\d+$/ ) {
+ ( $m, $y ) = ( $3, "20$2" );
+ } else {
+ return "Illegal expiration date: ". $self->paydate;
+ }
+ $m = sprintf('%02d',$m);
+ $opt{paydate} = "$y-$m-01";
+
+ $opt{$_} = $self->$_() for qw( payinfo payname paycvv );