PRE-2955 fix empty token field

Author: ilajili

src/Gateway/PayplugGateway.php

@@ -911,14 +911,11 @@ public function process_standard_payment($order, $amount, $customer_id)
              */
             $payment_data = apply_filters('payplug_gateway_payment_data', $payment_data, $order_id, [], $address_data);
 			$payment = $this->api->payment_create($payment_data);
-
-
-
 			$alias = isset($payment['ALIAS']) ? $payment['ALIAS'] : null;
+
 			//TODO:: payment is not created we need to generate an error
 			//HF VS NORMAL
 			$payment_id = isset($payment['TRANSACTIONID']) ? $payment['TRANSACTIONID'] : $payment->id;
-
 			if (!empty($payment_id) && strpos($payment_id, 'pay_') !== 0) {
 				$payment = $this->api->payment_retrieve( $this->hosted_fields->populateGetTransaction($payment_id),true );
 				$payment->is_live = $this->get_current_mode() === 'live';
@@ -928,7 +925,7 @@ public function process_standard_payment($order, $amount, $customer_id)
 					$card_last4 = isset($_POST['cardlast4']) ? filter_var($_POST['cardlast4'], FILTER_SANITIZE_STRING) :'';
 					$expiry_date = isset($_POST['cardexpiry']) ? filter_var($_POST['cardexpiry'], FILTER_SANITIZE_STRING):'';
 					if (preg_match('/^(\d{2})\/(\d{2})$/', $expiry_date, $matches)) {
-						$set_expiry_year =  $matches[2];
+						$set_expiry_year =  '20' . $matches[2];
 						$set_expiry_month = $matches[1];
 					} else {
 						$set_expiry_year = '';

src/Gateway/PayplugResponse.php

@@ -439,7 +439,6 @@ protected function refund_exist_for_order( $order_id, $refund_id ) {
 	 * @return bool
 	 */
 	protected function maybe_save_card( $resource ) {
-		// FIXME: Check if card saving is enabled in settings?
 		if ( ! isset( $resource->card ) || empty( $resource->card->id ) && !isset($resource->alias) || empty( $resource->alias ) ) {
 			return false;
 		}
@@ -485,6 +484,7 @@ protected function maybe_save_card( $resource ) {
 			$set_expiry_year = wc_clean($resource->card->exp_year);
 			$set_expiry_month = zeroise((int)wc_clean($resource->card->exp_month), 2);
 			$set_card_type = \strtolower(wc_clean($resource->card->brand));
+
 		}
         if(!empty($existing_tokens)) {
             foreach($existing_tokens as $token_id => $existing_token) {