$input['subscription_id'] = self::retrieve('x_subscription_id', 'Integer');
$input['response_code'] = self::retrieve('x_response_code', 'Integer');
$input['MD5_Hash'] = self::retrieve('x_MD5_Hash', 'String', FALSE, '');
- $input['fee_amount'] = self::retrieve('x_fee_amount', 'Money', FALSE, '0.00');
- $input['net_amount'] = self::retrieve('x_net_amount', 'Money', FALSE, '0.00');
+ $input['fee_amount'] = self::retrieve('x_fee_amount', 'Money', FALSE, NULL);
+ $input['net_amount'] = self::retrieve('x_net_amount', 'Money', FALSE, NULL);
$input['response_reason_code'] = self::retrieve('x_response_reason_code', 'String', FALSE);
$input['response_reason_text'] = self::retrieve('x_response_reason_text', 'String', FALSE);
$input['subscription_paynum'] = self::retrieve('x_subscription_paynum', 'Integer', FALSE, 0);