woocommerce / woocommerce-gateway-stripe

includes/class-wc-gateway-stripe-addons.php

Doc Comments +3 added lines, -2 removed lines

@@ -103,7 +103,6 @@ 
 	 * process_subscription_payment function.
 	 * @param mixed $order
 	 * @param int $amount (default: 0)
-	 * @param string $stripe_token (default: '')
 	 * @param  bool initial_payment
 	 */
 	public function process_subscription_payment( $order = '', $amount = 0 ) {
@@ -160,6 +159,8 @@ 
 	/**
 	 * Process the pre-order
 	 * @param int $order_id
+	 * @param boolean $retry
+	 * @param boolean $force_customer
 	 * @return array
 	 */
 	public function process_pre_order( $order_id, $retry, $force_customer ) {
@@ -256,7 +257,7 @@ 
 
 	/**
 	 * Don't transfer Stripe fee/ID meta to renewal orders.
-	 * @param int $resubscribe_order The order created for the customer to resubscribe to the old expired/cancelled subscription
+	 * @param integer $renewal_order
 	 */
 	public function delete_renewal_meta( $renewal_order ) {
 		delete_post_meta( ( $this->wc_pre_30 ? $renewal_order->id : $renewal_order->get_id() ), 'Stripe Fee' );

Spacing +133 added lines, -133 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit;
 }
 
@@ -18,25 +18,25 @@ 
 	public function __construct() {
 		parent::__construct();
 
-		if ( class_exists( 'WC_Subscriptions_Order' ) ) {
-			add_action( 'woocommerce_scheduled_subscription_payment_' . $this->id, array( $this, 'scheduled_subscription_payment' ), 10, 2 );
-			add_action( 'wcs_resubscribe_order_created', array( $this, 'delete_resubscribe_meta' ), 10 );
-			add_action( 'wcs_renewal_order_created', array( $this, 'delete_renewal_meta' ), 10 );
-			add_action( 'woocommerce_subscription_failing_payment_method_updated_stripe', array( $this, 'update_failing_payment_method' ), 10, 2 );
+		if (class_exists('WC_Subscriptions_Order')) {
+			add_action('woocommerce_scheduled_subscription_payment_' . $this->id, array($this, 'scheduled_subscription_payment'), 10, 2);
+			add_action('wcs_resubscribe_order_created', array($this, 'delete_resubscribe_meta'), 10);
+			add_action('wcs_renewal_order_created', array($this, 'delete_renewal_meta'), 10);
+			add_action('woocommerce_subscription_failing_payment_method_updated_stripe', array($this, 'update_failing_payment_method'), 10, 2);
 
 			// display the credit card used for a subscription in the "My Subscriptions" table
-			add_filter( 'woocommerce_my_subscriptions_payment_method', array( $this, 'maybe_render_subscription_payment_method' ), 10, 2 );
+			add_filter('woocommerce_my_subscriptions_payment_method', array($this, 'maybe_render_subscription_payment_method'), 10, 2);
 
 			// allow store managers to manually set Stripe as the payment method on a subscription
-			add_filter( 'woocommerce_subscription_payment_meta', array( $this, 'add_subscription_payment_meta' ), 10, 2 );
-			add_filter( 'woocommerce_subscription_validate_payment_meta', array( $this, 'validate_subscription_payment_meta' ), 10, 2 );
+			add_filter('woocommerce_subscription_payment_meta', array($this, 'add_subscription_payment_meta'), 10, 2);
+			add_filter('woocommerce_subscription_validate_payment_meta', array($this, 'validate_subscription_payment_meta'), 10, 2);
 		}
 
-		if ( class_exists( 'WC_Pre_Orders_Order' ) ) {
-			add_action( 'wc_pre_orders_process_pre_order_completion_payment_' . $this->id, array( $this, 'process_pre_order_release_payment' ) );
+		if (class_exists('WC_Pre_Orders_Order')) {
+			add_action('wc_pre_orders_process_pre_order_completion_payment_' . $this->id, array($this, 'process_pre_order_release_payment'));
 		}
 
-		$this->wc_pre_30 = version_compare( WC_VERSION, '3.0.0', '<' );
+		$this->wc_pre_30 = version_compare(WC_VERSION, '3.0.0', '<');
 	}
 
 	/**
@@ -44,8 +44,8 @@ 
 	 * @param  int  $order_id
 	 * @return boolean
 	 */
-	protected function is_subscription( $order_id ) {
-		return ( function_exists( 'wcs_order_contains_subscription' ) && ( wcs_order_contains_subscription( $order_id ) || wcs_is_subscription( $order_id ) || wcs_order_contains_renewal( $order_id ) ) );
+	protected function is_subscription($order_id) {
+		return (function_exists('wcs_order_contains_subscription') && (wcs_order_contains_subscription($order_id) || wcs_is_subscription($order_id) || wcs_order_contains_renewal($order_id)));
 	}
 
 	/**
@@ -53,8 +53,8 @@ 
 	 * @param  int  $order_id
 	 * @return boolean
 	 */
-	protected function is_pre_order( $order_id ) {
-		return ( class_exists( 'WC_Pre_Orders_Order' ) && WC_Pre_Orders_Order::order_contains_pre_order( $order_id ) );
+	protected function is_pre_order($order_id) {
+		return (class_exists('WC_Pre_Orders_Order') && WC_Pre_Orders_Order::order_contains_pre_order($order_id));
 	}
 
 	/**
@@ -62,40 +62,40 @@ 
 	 * @param  int $order_id
 	 * @return array
 	 */
-	public function process_payment( $order_id, $retry = true, $force_customer = false ) {
-		if ( $this->is_subscription( $order_id ) ) {
+	public function process_payment($order_id, $retry = true, $force_customer = false) {
+		if ($this->is_subscription($order_id)) {
 			// Regular payment with force customer enabled
-			return parent::process_payment( $order_id, true, true );
+			return parent::process_payment($order_id, true, true);
 
-		} elseif ( $this->is_pre_order( $order_id ) ) {
-			return $this->process_pre_order( $order_id, $retry, $force_customer );
+		} elseif ($this->is_pre_order($order_id)) {
+			return $this->process_pre_order($order_id, $retry, $force_customer);
 
 		} else {
-			return parent::process_payment( $order_id, $retry, $force_customer );
+			return parent::process_payment($order_id, $retry, $force_customer);
 		}
 	}
 
 	/**
 	 * Updates other subscription sources.
 	 */
-	protected function save_source( $order, $source ) {
-		parent::save_source( $order, $source );
+	protected function save_source($order, $source) {
+		parent::save_source($order, $source);
 
-		$order_id  = $this->wc_pre_30 ? $order->id : $order->get_id();
+		$order_id = $this->wc_pre_30 ? $order->id : $order->get_id();
 
 		// Also store it on the subscriptions being purchased or paid for in the order
-		if ( function_exists( 'wcs_order_contains_subscription' ) && wcs_order_contains_subscription( $order_id ) ) {
-			$subscriptions = wcs_get_subscriptions_for_order( $order_id );
-		} elseif ( function_exists( 'wcs_order_contains_renewal' ) && wcs_order_contains_renewal( $order_id ) ) {
-			$subscriptions = wcs_get_subscriptions_for_renewal_order( $order_id );
+		if (function_exists('wcs_order_contains_subscription') && wcs_order_contains_subscription($order_id)) {
+			$subscriptions = wcs_get_subscriptions_for_order($order_id);
+		} elseif (function_exists('wcs_order_contains_renewal') && wcs_order_contains_renewal($order_id)) {
+			$subscriptions = wcs_get_subscriptions_for_renewal_order($order_id);
 		} else {
 			$subscriptions = array();
 		}
 
-		foreach ( $subscriptions as $subscription ) {
+		foreach ($subscriptions as $subscription) {
 			$subscription_id = $this->wc_pre_30 ? $subscription->id : $subscription->get_id();
-			update_post_meta( $subscription_id, '_stripe_customer_id', $source->customer );
-			update_post_meta( $subscription_id, '_stripe_card_id', $source->source );
+			update_post_meta($subscription_id, '_stripe_customer_id', $source->customer);
+			update_post_meta($subscription_id, '_stripe_card_id', $source->source);
 		}
 	}
 
@@ -106,53 +106,53 @@ 
 	 * @param string $stripe_token (default: '')
 	 * @param  bool initial_payment
 	 */
-	public function process_subscription_payment( $order = '', $amount = 0 ) {
-		if ( $amount * 100 < WC_Stripe::get_minimum_amount() ) {
-			return new WP_Error( 'stripe_error', sprintf( __( 'Sorry, the minimum allowed order total is %1$s to use this payment method.', 'woocommerce-gateway-stripe' ), wc_price( WC_Stripe::get_minimum_amount() / 100 ) ) );
+	public function process_subscription_payment($order = '', $amount = 0) {
+		if ($amount * 100 < WC_Stripe::get_minimum_amount()) {
+			return new WP_Error('stripe_error', sprintf(__('Sorry, the minimum allowed order total is %1$s to use this payment method.', 'woocommerce-gateway-stripe'), wc_price(WC_Stripe::get_minimum_amount() / 100)));
 		}
 
 		// Get source from order
-		$source = $this->get_order_source( $order );
+		$source = $this->get_order_source($order);
 
 		// If no order source was defined, use user source instead.
-		if ( ! $source->customer ) {
-			$source = $this->get_source( ( $this->wc_pre_30 ? $order->customer_user : $order->get_customer_id() ) );
+		if ( ! $source->customer) {
+			$source = $this->get_source(($this->wc_pre_30 ? $order->customer_user : $order->get_customer_id()));
 		}
 
 		// Or fail :(
-		if ( ! $source->customer ) {
-			return new WP_Error( 'stripe_error', __( 'Customer not found', 'woocommerce-gateway-stripe' ) );
+		if ( ! $source->customer) {
+			return new WP_Error('stripe_error', __('Customer not found', 'woocommerce-gateway-stripe'));
 		}
 
 		$order_id = $this->wc_pre_30 ? $order->id : $order->get_id();
-		$this->log( "Info: Begin processing subscription payment for order {$order_id} for the amount of {$amount}" );
+		$this->log("Info: Begin processing subscription payment for order {$order_id} for the amount of {$amount}");
 
 		// Make the request
-		$request             = $this->generate_payment_request( $order, $source );
+		$request             = $this->generate_payment_request($order, $source);
 		$request['capture']  = 'true';
-		$request['amount']   = $this->get_stripe_amount( $amount, $request['currency'] );
+		$request['amount']   = $this->get_stripe_amount($amount, $request['currency']);
 		$request['metadata'] = array(
 			'payment_type'   => 'recurring',
-			'site_url'       => esc_url( get_site_url() ),
+			'site_url'       => esc_url(get_site_url()),
 		);
-		$response            = WC_Stripe_API::request( $request );
+		$response = WC_Stripe_API::request($request);
 
 		// Process valid response
-		if ( is_wp_error( $response ) ) {
-			if ( 'missing' === $response->get_error_code() ) {
+		if (is_wp_error($response)) {
+			if ('missing' === $response->get_error_code()) {
 				// If we can't link customer to a card, we try to charge by customer ID.
-				$request             = $this->generate_payment_request( $order, $this->get_source( ( $this->wc_pre_30 ? $order->customer_user : $order->get_customer_id() ) ) );
+				$request             = $this->generate_payment_request($order, $this->get_source(($this->wc_pre_30 ? $order->customer_user : $order->get_customer_id())));
 				$request['capture']  = 'true';
-				$request['amount']   = $this->get_stripe_amount( $amount, $request['currency'] );
+				$request['amount']   = $this->get_stripe_amount($amount, $request['currency']);
 				$request['metadata'] = array(
 					'payment_type'   => 'recurring',
-					'site_url'       => esc_url( get_site_url() ),
+					'site_url'       => esc_url(get_site_url()),
 				);
-				$response          = WC_Stripe_API::request( $request );
+				$response = WC_Stripe_API::request($request);
 			}
 		}
 
-		$this->process_response( $response, $order );
+		$this->process_response($response, $order);
 
 		return $response;
 	}
@@ -162,42 +162,42 @@ 
 	 * @param int $order_id
 	 * @return array
 	 */
-	public function process_pre_order( $order_id, $retry, $force_customer ) {
-		if ( WC_Pre_Orders_Order::order_requires_payment_tokenization( $order_id ) ) {
+	public function process_pre_order($order_id, $retry, $force_customer) {
+		if (WC_Pre_Orders_Order::order_requires_payment_tokenization($order_id)) {
 			try {
-				$order = wc_get_order( $order_id );
+				$order = wc_get_order($order_id);
 
-				if ( $order->get_total() * 100 < WC_Stripe::get_minimum_amount() ) {
-					throw new Exception( sprintf( __( 'Sorry, the minimum allowed order total is %1$s to use this payment method.', 'woocommerce-gateway-stripe' ), wc_price( WC_Stripe::get_minimum_amount() / 100 ) ) );
+				if ($order->get_total() * 100 < WC_Stripe::get_minimum_amount()) {
+					throw new Exception(sprintf(__('Sorry, the minimum allowed order total is %1$s to use this payment method.', 'woocommerce-gateway-stripe'), wc_price(WC_Stripe::get_minimum_amount() / 100)));
 				}
 
-				$source = $this->get_source( get_current_user_id(), true );
+				$source = $this->get_source(get_current_user_id(), true);
 
 				// We need a source on file to continue.
-				if ( empty( $source->customer ) || empty( $source->source ) ) {
-					throw new Exception( __( 'Unable to store payment details. Please try again.', 'woocommerce-gateway-stripe' ) );
+				if (empty($source->customer) || empty($source->source)) {
+					throw new Exception(__('Unable to store payment details. Please try again.', 'woocommerce-gateway-stripe'));
 				}
 
 				// Store source to order meta
-				$this->save_source( $order, $source );
+				$this->save_source($order, $source);
 
 				// Remove cart
 				WC()->cart->empty_cart();
 
 				// Is pre ordered!
-				WC_Pre_Orders_Order::mark_order_as_pre_ordered( $order );
+				WC_Pre_Orders_Order::mark_order_as_pre_ordered($order);
 
 				// Return thank you page redirect
 				return array(
 					'result'   => 'success',
-					'redirect' => $this->get_return_url( $order ),
+					'redirect' => $this->get_return_url($order),
 				);
-			} catch ( Exception $e ) {
-				wc_add_notice( $e->getMessage(), 'error' );
+			} catch (Exception $e) {
+				wc_add_notice($e->getMessage(), 'error');
 				return;
 			}
 		} else {
-			return parent::process_payment( $order_id, $retry, $force_customer );
+			return parent::process_payment($order_id, $retry, $force_customer);
 		}
 	}
 
@@ -206,7 +206,7 @@ 
 	 * @param WC_Order $order
 	 * @return void
 	 */
-	public function process_pre_order_release_payment( $order ) {
+	public function process_pre_order_release_payment($order) {
 		try {
 			// Define some callbacks if the first attempt fails.
 			$retry_callbacks = array(
@@ -214,32 +214,32 @@ 
 				'remove_order_customer_before_retry',
 			);
 
-			while ( 1 ) {
-				$source   = $this->get_order_source( $order );
-				$response = WC_Stripe_API::request( $this->generate_payment_request( $order, $source ) );
+			while (1) {
+				$source   = $this->get_order_source($order);
+				$response = WC_Stripe_API::request($this->generate_payment_request($order, $source));
 
-				if ( is_wp_error( $response ) ) {
-					if ( 0 === sizeof( $retry_callbacks ) ) {
-						throw new Exception( $response->get_error_message() );
+				if (is_wp_error($response)) {
+					if (0 === sizeof($retry_callbacks)) {
+						throw new Exception($response->get_error_message());
 					} else {
-						$retry_callback = array_shift( $retry_callbacks );
-						call_user_func( array( $this, $retry_callback ), $order );
+						$retry_callback = array_shift($retry_callbacks);
+						call_user_func(array($this, $retry_callback), $order);
 					}
 				} else {
 					// Successful
-					$this->process_response( $response, $order );
+					$this->process_response($response, $order);
 					break;
 				}
 			}
-		} catch ( Exception $e ) {
-			$order_note = sprintf( __( 'Stripe Transaction Failed (%s)', 'woocommerce-gateway-stripe' ), $e->getMessage() );
+		} catch (Exception $e) {
+			$order_note = sprintf(__('Stripe Transaction Failed (%s)', 'woocommerce-gateway-stripe'), $e->getMessage());
 
 			// Mark order as failed if not already set,
 			// otherwise, make sure we add the order note so we can detect when someone fails to check out multiple times
-			if ( ! $order->has_status( 'failed' ) ) {
-				$order->update_status( 'failed', $order_note );
+			if ( ! $order->has_status('failed')) {
+				$order->update_status('failed', $order_note);
 			} else {
-				$order->add_order_note( $order_note );
+				$order->add_order_note($order_note);
 			}
 		}
 	}
@@ -248,20 +248,20 @@ 
 	 * Don't transfer Stripe customer/token meta to resubscribe orders.
 	 * @param int $resubscribe_order The order created for the customer to resubscribe to the old expired/cancelled subscription
 	 */
-	public function delete_resubscribe_meta( $resubscribe_order ) {
-		delete_post_meta( ( $this->wc_pre_30 ? $resubscribe_order->id : $resubscribe_order->get_id() ), '_stripe_customer_id' );
-		delete_post_meta( ( $this->wc_pre_30 ? $resubscribe_order->id : $resubscribe_order->get_id() ), '_stripe_card_id' );
-		$this->delete_renewal_meta( $resubscribe_order );
+	public function delete_resubscribe_meta($resubscribe_order) {
+		delete_post_meta(($this->wc_pre_30 ? $resubscribe_order->id : $resubscribe_order->get_id()), '_stripe_customer_id');
+		delete_post_meta(($this->wc_pre_30 ? $resubscribe_order->id : $resubscribe_order->get_id()), '_stripe_card_id');
+		$this->delete_renewal_meta($resubscribe_order);
 	}
 
 	/**
 	 * Don't transfer Stripe fee/ID meta to renewal orders.
 	 * @param int $resubscribe_order The order created for the customer to resubscribe to the old expired/cancelled subscription
 	 */
-	public function delete_renewal_meta( $renewal_order ) {
-		delete_post_meta( ( $this->wc_pre_30 ? $renewal_order->id : $renewal_order->get_id() ), 'Stripe Fee' );
-		delete_post_meta( ( $this->wc_pre_30 ? $renewal_order->id : $renewal_order->get_id() ), 'Net Revenue From Stripe' );
-		delete_post_meta( ( $this->wc_pre_30 ? $renewal_order->id : $renewal_order->get_id() ), 'Stripe Payment ID' );
+	public function delete_renewal_meta($renewal_order) {
+		delete_post_meta(($this->wc_pre_30 ? $renewal_order->id : $renewal_order->get_id()), 'Stripe Fee');
+		delete_post_meta(($this->wc_pre_30 ? $renewal_order->id : $renewal_order->get_id()), 'Net Revenue From Stripe');
+		delete_post_meta(($this->wc_pre_30 ? $renewal_order->id : $renewal_order->get_id()), 'Stripe Payment ID');
 		return $renewal_order;
 	}
 
@@ -271,11 +271,11 @@ 
 	 * @param $amount_to_charge float The amount to charge.
 	 * @param $renewal_order WC_Order A WC_Order object created to record the renewal payment.
 	 */
-	public function scheduled_subscription_payment( $amount_to_charge, $renewal_order ) {
-		$response = $this->process_subscription_payment( $renewal_order, $amount_to_charge );
+	public function scheduled_subscription_payment($amount_to_charge, $renewal_order) {
+		$response = $this->process_subscription_payment($renewal_order, $amount_to_charge);
 
-		if ( is_wp_error( $response ) ) {
-			$renewal_order->update_status( 'failed', sprintf( __( 'Stripe Transaction Failed (%s)', 'woocommerce-gateway-stripe' ), $response->get_error_message() ) );
+		if (is_wp_error($response)) {
+			$renewal_order->update_status('failed', sprintf(__('Stripe Transaction Failed (%s)', 'woocommerce-gateway-stripe'), $response->get_error_message()));
 		}
 	}
 
@@ -283,18 +283,18 @@ 
 	 * Remove order meta
 	 * @param  object $order
 	 */
-	public function remove_order_source_before_retry( $order ) {
+	public function remove_order_source_before_retry($order) {
 		$order_id = $this->wc_pre_30 ? $order->id : $order->get_id();
-		delete_post_meta( $order_id, '_stripe_card_id' );
+		delete_post_meta($order_id, '_stripe_card_id');
 	}
 
 	/**
 	 * Remove order meta
 	 * @param  object $order
 	 */
-	public function remove_order_customer_before_retry( $order ) {
+	public function remove_order_customer_before_retry($order) {
 		$order_id = $this->wc_pre_30 ? $order->id : $order->get_id();
-		delete_post_meta( $order_id, '_stripe_customer_id' );
+		delete_post_meta($order_id, '_stripe_customer_id');
 	}
 
 	/**
@@ -306,9 +306,9 @@ 
 	 * @param WC_Order $renewal_order The order which recorded the successful payment (to make up for the failed automatic payment).
 	 * @return void
 	 */
-	public function update_failing_payment_method( $subscription, $renewal_order ) {
-		update_post_meta( ( $this->wc_pre_30 ? $subscription->id : $subscription->get_id() ), '_stripe_customer_id', $renewal_order->stripe_customer_id );
-		update_post_meta( ( $this->wc_pre_30 ? $subscription->id : $subscription->get_id() ), '_stripe_card_id', $renewal_order->stripe_card_id );
+	public function update_failing_payment_method($subscription, $renewal_order) {
+		update_post_meta(($this->wc_pre_30 ? $subscription->id : $subscription->get_id()), '_stripe_customer_id', $renewal_order->stripe_customer_id);
+		update_post_meta(($this->wc_pre_30 ? $subscription->id : $subscription->get_id()), '_stripe_card_id', $renewal_order->stripe_card_id);
 	}
 
 	/**
@@ -320,15 +320,15 @@ 
 	 * @param WC_Subscription $subscription An instance of a subscription object
 	 * @return array
 	 */
-	public function add_subscription_payment_meta( $payment_meta, $subscription ) {
-		$payment_meta[ $this->id ] = array(
+	public function add_subscription_payment_meta($payment_meta, $subscription) {
+		$payment_meta[$this->id] = array(
 			'post_meta' => array(
 				'_stripe_customer_id' => array(
-					'value' => get_post_meta( ( $this->wc_pre_30 ? $subscription->id : $subscription->get_id() ), '_stripe_customer_id', true ),
+					'value' => get_post_meta(($this->wc_pre_30 ? $subscription->id : $subscription->get_id()), '_stripe_customer_id', true),
 					'label' => 'Stripe Customer ID',
 				),
 				'_stripe_card_id' => array(
-					'value' => get_post_meta( ( $this->wc_pre_30 ? $subscription->id : $subscription->get_id() ), '_stripe_card_id', true ),
+					'value' => get_post_meta(($this->wc_pre_30 ? $subscription->id : $subscription->get_id()), '_stripe_card_id', true),
 					'label' => 'Stripe Card ID',
 				),
 			),
@@ -345,17 +345,17 @@ 
 	 * @param array $payment_meta associative array of meta data required for automatic payments
 	 * @return array
 	 */
-	public function validate_subscription_payment_meta( $payment_method_id, $payment_meta ) {
-		if ( $this->id === $payment_method_id ) {
+	public function validate_subscription_payment_meta($payment_method_id, $payment_meta) {
+		if ($this->id === $payment_method_id) {
 
-			if ( ! isset( $payment_meta['post_meta']['_stripe_customer_id']['value'] ) || empty( $payment_meta['post_meta']['_stripe_customer_id']['value'] ) ) {
-				throw new Exception( 'A "_stripe_customer_id" value is required.' );
-			} elseif ( 0 !== strpos( $payment_meta['post_meta']['_stripe_customer_id']['value'], 'cus_' ) ) {
-				throw new Exception( 'Invalid customer ID. A valid "_stripe_customer_id" must begin with "cus_".' );
+			if ( ! isset($payment_meta['post_meta']['_stripe_customer_id']['value']) || empty($payment_meta['post_meta']['_stripe_customer_id']['value'])) {
+				throw new Exception('A "_stripe_customer_id" value is required.');
+			} elseif (0 !== strpos($payment_meta['post_meta']['_stripe_customer_id']['value'], 'cus_')) {
+				throw new Exception('Invalid customer ID. A valid "_stripe_customer_id" must begin with "cus_".');
 			}
 
-			if ( ! empty( $payment_meta['post_meta']['_stripe_card_id']['value'] ) && 0 !== strpos( $payment_meta['post_meta']['_stripe_card_id']['value'], 'card_' ) ) {
-				throw new Exception( 'Invalid card ID. A valid "_stripe_card_id" must begin with "card_".' );
+			if ( ! empty($payment_meta['post_meta']['_stripe_card_id']['value']) && 0 !== strpos($payment_meta['post_meta']['_stripe_card_id']['value'], 'card_')) {
+				throw new Exception('Invalid card ID. A valid "_stripe_card_id" must begin with "card_".');
 			}
 		}
 	}
@@ -368,45 +368,45 @@ 
 	 * @param WC_Subscription $subscription the subscription details
 	 * @return string the subscription payment method
 	 */
-	public function maybe_render_subscription_payment_method( $payment_method_to_display, $subscription ) {
+	public function maybe_render_subscription_payment_method($payment_method_to_display, $subscription) {
 		$customer_user = $this->wc_pre_30 ? $subscription->customer_user : $subscription->get_customer_id();
 
 		// bail for other payment methods
-		if ( $this->id !== ( $this->wc_pre_30 ? $subscription->payment_method : $subscription->get_payment_method() ) || ! $customer_user ) {
+		if ($this->id !== ($this->wc_pre_30 ? $subscription->payment_method : $subscription->get_payment_method()) || ! $customer_user) {
 			return $payment_method_to_display;
 		}
 
 		$stripe_customer    = new WC_Stripe_Customer();
-		$stripe_customer_id = get_post_meta( ( $this->wc_pre_30 ? $subscription->id : $subscription->get_id() ), '_stripe_customer_id', true );
-		$stripe_card_id     = get_post_meta( ( $this->wc_pre_30 ? $subscription->id : $subscription->get_id() ), '_stripe_card_id', true );
+		$stripe_customer_id = get_post_meta(($this->wc_pre_30 ? $subscription->id : $subscription->get_id()), '_stripe_customer_id', true);
+		$stripe_card_id     = get_post_meta(($this->wc_pre_30 ? $subscription->id : $subscription->get_id()), '_stripe_card_id', true);
 
 		// If we couldn't find a Stripe customer linked to the subscription, fallback to the user meta data.
-		if ( ! $stripe_customer_id || ! is_string( $stripe_customer_id ) ) {
+		if ( ! $stripe_customer_id || ! is_string($stripe_customer_id)) {
 			$user_id            = $customer_user;
-			$stripe_customer_id = get_user_meta( $user_id, '_stripe_customer_id', true );
-			$stripe_card_id     = get_user_meta( $user_id, '_stripe_card_id', true );
+			$stripe_customer_id = get_user_meta($user_id, '_stripe_customer_id', true);
+			$stripe_card_id     = get_user_meta($user_id, '_stripe_card_id', true);
 		}
 
 		// If we couldn't find a Stripe customer linked to the account, fallback to the order meta data.
-		if ( ( ! $stripe_customer_id || ! is_string( $stripe_customer_id ) ) && false !== $subscription->order ) {
-			$stripe_customer_id = get_post_meta( ( $this->wc_pre_30 ? $subscription->order->id : $subscription->get_parent_id() ), '_stripe_customer_id', true );
-			$stripe_card_id     = get_post_meta( ( $this->wc_pre_30 ? $subscription->order->id : $subscription->get_parent_id() ), '_stripe_card_id', true );
+		if (( ! $stripe_customer_id || ! is_string($stripe_customer_id)) && false !== $subscription->order) {
+			$stripe_customer_id = get_post_meta(($this->wc_pre_30 ? $subscription->order->id : $subscription->get_parent_id()), '_stripe_customer_id', true);
+			$stripe_card_id     = get_post_meta(($this->wc_pre_30 ? $subscription->order->id : $subscription->get_parent_id()), '_stripe_card_id', true);
 		}
 
-		$stripe_customer->set_id( $stripe_customer_id );
+		$stripe_customer->set_id($stripe_customer_id);
 		$cards = $stripe_customer->get_cards();
 
-		if ( $cards ) {
+		if ($cards) {
 			$found_card = false;
-			foreach ( $cards as $card ) {
-				if ( $card->id === $stripe_card_id ) {
+			foreach ($cards as $card) {
+				if ($card->id === $stripe_card_id) {
 					$found_card                = true;
-					$payment_method_to_display = sprintf( __( 'Via %1$s card ending in %2$s', 'woocommerce-gateway-stripe' ), ( isset( $card->type ) ? $card->type : $card->brand ), $card->last4 );
+					$payment_method_to_display = sprintf(__('Via %1$s card ending in %2$s', 'woocommerce-gateway-stripe'), (isset($card->type) ? $card->type : $card->brand), $card->last4);
 					break;
 				}
 			}
-			if ( ! $found_card ) {
-				$payment_method_to_display = sprintf( __( 'Via %1$s card ending in %2$s', 'woocommerce-gateway-stripe' ), ( isset( $cards[0]->type ) ? $cards[0]->type : $cards[0]->brand ), $cards[0]->last4 );
+			if ( ! $found_card) {
+				$payment_method_to_display = sprintf(__('Via %1$s card ending in %2$s', 'woocommerce-gateway-stripe'), (isset($cards[0]->type) ? $cards[0]->type : $cards[0]->brand), $cards[0]->last4);
 			}
 		}
 
@@ -421,11 +421,11 @@ 
 	 *
 	 * @param string $message
 	 */
-	public function log( $message ) {
-		$options = get_option( 'woocommerce_stripe_settings' );
+	public function log($message) {
+		$options = get_option('woocommerce_stripe_settings');
 
-		if ( 'yes' === $options['logging'] ) {
-			WC_Stripe::log( $message );
+		if ('yes' === $options['logging']) {
+			WC_Stripe::log($message);
 		}
 	}
 }