woocommerce / woocommerce-gateway-stripe

includes/compat/class-wc-stripe-subs-compat.php

Spacing +212 added lines, -212 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit;
 }
 
@@ -15,24 +15,24 @@ 
 	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 );
-			add_action( 'wc_stripe_cards_payment_fields', array( $this, 'display_update_subs_payment_checkout' ) );
-			add_action( 'wc_stripe_add_payment_method_' . $this->id . '_success', array( $this, 'handle_add_payment_method_success' ), 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($this, 'update_failing_payment_method'), 10, 2);
+			add_action('wc_stripe_cards_payment_fields', array($this, 'display_update_subs_payment_checkout'));
+			add_action('wc_stripe_add_payment_method_' . $this->id . '_success', array($this, 'handle_add_payment_method_success'), 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( 'wc_stripe_display_save_payment_method_checkbox', array( $this, 'maybe_hide_save_checkbox' ) );
+			add_filter('woocommerce_subscription_payment_meta', array($this, 'add_subscription_payment_meta'), 10, 2);
+			add_filter('woocommerce_subscription_validate_payment_meta', array($this, 'validate_subscription_payment_meta'), 10, 2);
+			add_filter('wc_stripe_display_save_payment_method_checkbox', array($this, 'maybe_hide_save_checkbox'));
 
 			// upon changing payment method, first redirect to confirmation screen if necessary
-			add_filter( 'woocommerce_subscriptions_process_payment_for_change_method_via_pay_shortcode', array( $this, 'process_payment_for_change_method' ), 10, 2 );
+			add_filter('woocommerce_subscriptions_process_payment_for_change_method_via_pay_shortcode', array($this, 'process_payment_for_change_method'), 10, 2);
 
 			/*
 			 * WC subscriptions hooks into the "template_redirect" hook with priority 100.
@@ -40,8 +40,8 @@ 
 			 * See: https://github.com/woocommerce/woocommerce-subscriptions/blob/99a75687e109b64cbc07af6e5518458a6305f366/includes/class-wcs-cart-renewal.php#L165
 			 * If we are in the "You just need to authorize SCA" flow, we don't want that redirection to happen.
 			 */
-			add_action( 'template_redirect', array( $this, 'remove_order_pay_var' ), 99 );
-			add_action( 'template_redirect', array( $this, 'restore_order_pay_var' ), 101 );
+			add_action('template_redirect', array($this, 'remove_order_pay_var'), 99);
+			add_action('template_redirect', array($this, 'restore_order_pay_var'), 101);
 		}
 	}
 
@@ -52,8 +52,8 @@ 
 	 * @since 4.0.0
 	 * @version 4.0.0
 	 */
-	public function maybe_hide_save_checkbox( $display_tokenization ) {
-		if ( WC_Subscriptions_Cart::cart_contains_subscription() ) {
+	public function maybe_hide_save_checkbox($display_tokenization) {
+		if (WC_Subscriptions_Cart::cart_contains_subscription()) {
 			return false;
 		}
 
@@ -65,8 +65,8 @@ 
 	 * @param  int  $order_id
 	 * @return boolean
 	 */
-	public function has_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( $order_id ) ) );
+	public function has_subscription($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)));
 	}
 
 	/**
@@ -76,7 +76,7 @@ 
 	 * @return bool
 	 */
 	public function is_subs_change_payment() {
-		return ( isset( $_GET['pay_for_order'] ) && isset( $_GET['change_payment_method'] ) );
+		return (isset($_GET['pay_for_order']) && isset($_GET['change_payment_method']));
 	}
 
 	/**
@@ -86,20 +86,20 @@ 
 	 * @since 4.1.11
 	 */
 	public function display_update_subs_payment_checkout() {
-		$subs_statuses = apply_filters( 'wc_stripe_update_subs_payment_method_card_statuses', array( 'active' ) );
+		$subs_statuses = apply_filters('wc_stripe_update_subs_payment_method_card_statuses', array('active'));
 		if (
-			apply_filters( 'wc_stripe_display_update_subs_payment_method_card_checkbox', true ) &&
-			wcs_user_has_subscription( get_current_user_id(), '', $subs_statuses ) &&
+			apply_filters('wc_stripe_display_update_subs_payment_method_card_checkbox', true) &&
+			wcs_user_has_subscription(get_current_user_id(), '', $subs_statuses) &&
 			is_add_payment_method_page()
 		) {
-			$label = esc_html( apply_filters( 'wc_stripe_save_to_subs_text', __( 'Update the Payment Method used for all of my active subscriptions.', 'woocommerce-gateway-stripe' ) ) );
-			$id    = sprintf( 'wc-%1$s-update-subs-payment-method-card', $this->id );
+			$label = esc_html(apply_filters('wc_stripe_save_to_subs_text', __('Update the Payment Method used for all of my active subscriptions.', 'woocommerce-gateway-stripe')));
+			$id    = sprintf('wc-%1$s-update-subs-payment-method-card', $this->id);
 			woocommerce_form_field(
 				$id,
 				array(
 					'type'    => 'checkbox',
 					'label'   => $label,
-					'default' => apply_filters( 'wc_stripe_save_to_subs_checked', false ),
+					'default' => apply_filters('wc_stripe_save_to_subs_checked', false),
 				)
 			);
 		}
@@ -112,19 +112,19 @@ 
 	 * @param string $source_id
 	 * @param object $source_object
 	 */
-	public function handle_add_payment_method_success( $source_id, $source_object ) {
-		if ( isset( $_POST[ 'wc-' . $this->id . '-update-subs-payment-method-card' ] ) ) {
+	public function handle_add_payment_method_success($source_id, $source_object) {
+		if (isset($_POST['wc-' . $this->id . '-update-subs-payment-method-card'])) {
 			$all_subs        = wcs_get_users_subscriptions();
-			$subs_statuses   = apply_filters( 'wc_stripe_update_subs_payment_method_card_statuses', array( 'active' ) );
-			$stripe_customer = new WC_Stripe_Customer( get_current_user_id() );
-
-			if ( ! empty( $all_subs ) ) {
-				foreach ( $all_subs as $sub ) {
-					if ( $sub->has_status( $subs_statuses ) ) {
-						update_post_meta( $sub->get_id(), '_stripe_source_id', $source_id );
-						update_post_meta( $sub->get_id(), '_stripe_customer_id', $stripe_customer->get_id() );
-						update_post_meta( $sub->get_id(), '_payment_method', $this->id );
-						update_post_meta( $sub->get_id(), '_payment_method_title', $this->method_title );
+			$subs_statuses   = apply_filters('wc_stripe_update_subs_payment_method_card_statuses', array('active'));
+			$stripe_customer = new WC_Stripe_Customer(get_current_user_id());
+
+			if ( ! empty($all_subs)) {
+				foreach ($all_subs as $sub) {
+					if ($sub->has_status($subs_statuses)) {
+						update_post_meta($sub->get_id(), '_stripe_source_id', $source_id);
+						update_post_meta($sub->get_id(), '_stripe_customer_id', $stripe_customer->get_id());
+						update_post_meta($sub->get_id(), '_payment_method', $this->id);
+						update_post_meta($sub->get_id(), '_payment_method_title', $this->method_title);
 					}
 				}
 			}
@@ -138,25 +138,25 @@ 
 	 * @since 4.1.11 Remove 3DS check as it is not needed.
 	 * @param int $order_id
 	 */
-	public function change_subs_payment_method( $order_id ) {
+	public function change_subs_payment_method($order_id) {
 		try {
-			$subscription    = wc_get_order( $order_id );
-			$prepared_source = $this->prepare_source( get_current_user_id(), true );
+			$subscription    = wc_get_order($order_id);
+			$prepared_source = $this->prepare_source(get_current_user_id(), true);
 
-			$this->maybe_disallow_prepaid_card( $prepared_source );
-			$this->check_source( $prepared_source );
-			$this->save_source_to_order( $subscription, $prepared_source );
+			$this->maybe_disallow_prepaid_card($prepared_source);
+			$this->check_source($prepared_source);
+			$this->save_source_to_order($subscription, $prepared_source);
 
-			do_action( 'wc_stripe_change_subs_payment_method_success', $prepared_source->source, $prepared_source );
+			do_action('wc_stripe_change_subs_payment_method_success', $prepared_source->source, $prepared_source);
 
 			return array(
 				'result'          => 'success',
-				'redirect'        => $this->get_return_url( $subscription ),
+				'redirect'        => $this->get_return_url($subscription),
 				'prepared_source' => $prepared_source,
 			);
-		} catch ( WC_Stripe_Exception $e ) {
-			wc_add_notice( $e->getLocalizedMessage(), 'error' );
-			WC_Stripe_Logger::log( 'Error: ' . $e->getMessage() );
+		} catch (WC_Stripe_Exception $e) {
+			wc_add_notice($e->getLocalizedMessage(), 'error');
+			WC_Stripe_Logger::log('Error: ' . $e->getMessage());
 		}
 	}
 
@@ -168,22 +168,22 @@ 
 	 * @param WC_Subscription $subscription The subscription for which the payment method is changing.
 	 * @return array
 	 */
-	public function process_payment_for_change_method( $result, $subscription ) {
-		if ( 'success' !== $result['result'] ) {
+	public function process_payment_for_change_method($result, $subscription) {
+		if ('success' !== $result['result']) {
 			return $result;
 		}
 
 		try {
-			$intent_secret = $this->setup_intent( $subscription, $result['prepared_source'] );
+			$intent_secret = $this->setup_intent($subscription, $result['prepared_source']);
 
 			// If confirmation on the client is required, redirect to confirmation screen first.
-			if ( ! empty( $intent_secret ) ) {
+			if ( ! empty($intent_secret)) {
 				$redirect_url = add_query_arg(
 					array(
 						'change_payment_method'  => $subscription->get_id(),
 						'_wpnonce'               => wp_create_nonce(),
 						'wc-stripe-confirmation' => 1,
-						'wc-stripe-redirect'     => rawurlencode( $result['redirect'] ),
+						'wc-stripe-redirect'     => rawurlencode($result['redirect']),
 					),
 					$subscription->get_checkout_payment_url()
 				);
@@ -193,9 +193,9 @@ 
 					'redirect' => $redirect_url,
 				);
 			}
-		} catch ( WC_Stripe_Exception $e ) {
-			wc_add_notice( $e->getLocalizedMessage(), 'error' );
-			WC_Stripe_Logger::log( 'Error: ' . $e->getMessage() );
+		} catch (WC_Stripe_Exception $e) {
+			wc_add_notice($e->getLocalizedMessage(), 'error');
+			WC_Stripe_Logger::log('Error: ' . $e->getMessage());
 		}
 
 		return $result;
@@ -206,16 +206,16 @@ 
 	 * @param  int $order_id
 	 * @return array
 	 */
-	public function process_payment( $order_id, $retry = true, $force_save_source = false, $previous_error = false, $use_order_source = false ) {
-		if ( $this->has_subscription( $order_id ) ) {
-			if ( $this->is_subs_change_payment() ) {
-				return $this->change_subs_payment_method( $order_id );
+	public function process_payment($order_id, $retry = true, $force_save_source = false, $previous_error = false, $use_order_source = false) {
+		if ($this->has_subscription($order_id)) {
+			if ($this->is_subs_change_payment()) {
+				return $this->change_subs_payment_method($order_id);
 			}
 
 			// Regular payment with force customer enabled
-			return parent::process_payment( $order_id, $retry, true, $previous_error, $use_order_source );
+			return parent::process_payment($order_id, $retry, true, $previous_error, $use_order_source);
 		} else {
-			return parent::process_payment( $order_id, $retry, $force_save_source, $previous_error, $use_order_source );
+			return parent::process_payment($order_id, $retry, $force_save_source, $previous_error, $use_order_source);
 		}
 	}
 
@@ -227,11 +227,11 @@ 
 	 * @param object   $prepared_source The source that is used for the payment.
 	 * @return array                    The arguments for the request.
 	 */
-	public function generate_create_intent_request( $order, $prepared_source ) {
-		$request = parent::generate_create_intent_request( $order, $prepared_source );
+	public function generate_create_intent_request($order, $prepared_source) {
+		$request = parent::generate_create_intent_request($order, $prepared_source);
 
 		// Non-subscription orders do not need any additional parameters.
-		if ( ! $this->has_subscription( $order ) ) {
+		if ( ! $this->has_subscription($order)) {
 			return $request;
 		}
 
@@ -247,8 +247,8 @@ 
 	 * @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 ) {
-		$this->process_subscription_payment( $amount_to_charge, $renewal_order, true, false );
+	public function scheduled_subscription_payment($amount_to_charge, $renewal_order) {
+		$this->process_subscription_payment($amount_to_charge, $renewal_order, true, false);
 	}
 
 	/**
@@ -262,11 +262,11 @@ 
 	 * @param bool $retry Should we retry the process?
 	 * @param object $previous_error
 	 */
-	public function process_subscription_payment( $amount, $renewal_order, $retry = true, $previous_error = false ) {
+	public function process_subscription_payment($amount, $renewal_order, $retry = true, $previous_error = false) {
 		try {
-			if ( $amount * 100 < WC_Stripe_Helper::get_minimum_amount() ) {
+			if ($amount * 100 < WC_Stripe_Helper::get_minimum_amount()) {
 				/* translators: minimum amount */
-				$message = sprintf( __( 'Sorry, the minimum allowed order total is %1$s to use this payment method.', 'woocommerce-gateway-stripe' ), wc_price( WC_Stripe_Helper::get_minimum_amount() / 100 ) );
+				$message = sprintf(__('Sorry, the minimum allowed order total is %1$s to use this payment method.', 'woocommerce-gateway-stripe'), wc_price(WC_Stripe_Helper::get_minimum_amount() / 100));
 				throw new WC_Stripe_Exception(
 					'Error while processing renewal order ' . $renewal_order->get_id() . ' : ' . $message,
 					$message
@@ -275,141 +275,141 @@ 
 
 			$order_id = $renewal_order->get_id();
 
-			$this->ensure_subscription_has_customer_id( $order_id );
+			$this->ensure_subscription_has_customer_id($order_id);
 
 			// Unlike regular off-session subscription payments, early renewals are treated as on-session payments, involving the customer.
-			if ( isset( $_REQUEST['process_early_renewal'] ) ) { // wpcs: csrf ok.
-				$response = parent::process_payment( $order_id, true, false, $previous_error, true );
+			if (isset($_REQUEST['process_early_renewal'])) { // wpcs: csrf ok.
+				$response = parent::process_payment($order_id, true, false, $previous_error, true);
 
-				if( 'success' === $response['result'] && isset( $response['payment_intent_secret'] ) ) {
+				if ('success' === $response['result'] && isset($response['payment_intent_secret'])) {
 					$verification_url = add_query_arg(
 						array(
 							'order'         => $order_id,
-							'nonce'         => wp_create_nonce( 'wc_stripe_confirm_pi' ),
-							'redirect_to'   => remove_query_arg( array( 'process_early_renewal', 'subscription_id', 'wcs_nonce' ) ),
+							'nonce'         => wp_create_nonce('wc_stripe_confirm_pi'),
+							'redirect_to'   => remove_query_arg(array('process_early_renewal', 'subscription_id', 'wcs_nonce')),
 							'early_renewal' => true,
 						),
-						WC_AJAX::get_endpoint( 'wc_stripe_verify_intent' )
+						WC_AJAX::get_endpoint('wc_stripe_verify_intent')
 					);
 
-					echo wp_json_encode( array(
+					echo wp_json_encode(array(
 						'stripe_sca_required' => true,
 						'intent_secret'       => $response['payment_intent_secret'],
 						'redirect_url'        => $verification_url,
-					) );
+					));
 
 					exit;
 				}
 
 				// Hijack all other redirects in order to do the redirection in JavaScript.
-				add_action( 'wp_redirect', array( $this, 'redirect_after_early_renewal' ), 100 );
+				add_action('wp_redirect', array($this, 'redirect_after_early_renewal'), 100);
 
 				return;
 			}
 
 			// Check for an existing intent, which is associated with the order.
-			if ( $this->has_authentication_already_failed( $renewal_order ) ) {
+			if ($this->has_authentication_already_failed($renewal_order)) {
 				return;
 			}
 
 			// Get source from order
-			$prepared_source = $this->prepare_order_source( $renewal_order );
+			$prepared_source = $this->prepare_order_source($renewal_order);
 			$source_object   = $prepared_source->source_object;
 
-			if ( ! $prepared_source->customer ) {
+			if ( ! $prepared_source->customer) {
 				throw new WC_Stripe_Exception(
 					'Failed to process renewal for order ' . $renewal_order->get_id() . '. Stripe customer id is missing in the order',
-					__( 'Customer not found', 'woocommerce-gateway-stripe' )
+					__('Customer not found', 'woocommerce-gateway-stripe')
 				);
 			}
 
-			WC_Stripe_Logger::log( "Info: Begin processing subscription payment for order {$order_id} for the amount of {$amount}" );
+			WC_Stripe_Logger::log("Info: Begin processing subscription payment for order {$order_id} for the amount of {$amount}");
 
 			/* If we're doing a retry and source is chargeable, we need to pass
 			 * a different idempotency key and retry for success.
 			 */
-			if ( is_object( $source_object ) && empty( $source_object->error ) && $this->need_update_idempotency_key( $source_object, $previous_error ) ) {
-				add_filter( 'wc_stripe_idempotency_key', array( $this, 'change_idempotency_key' ), 10, 2 );
+			if (is_object($source_object) && empty($source_object->error) && $this->need_update_idempotency_key($source_object, $previous_error)) {
+				add_filter('wc_stripe_idempotency_key', array($this, 'change_idempotency_key'), 10, 2);
 			}
 
-			if ( ( $this->is_no_such_source_error( $previous_error ) || $this->is_no_linked_source_error( $previous_error ) ) && apply_filters( 'wc_stripe_use_default_customer_source', true ) ) {
+			if (($this->is_no_such_source_error($previous_error) || $this->is_no_linked_source_error($previous_error)) && apply_filters('wc_stripe_use_default_customer_source', true)) {
 				// Passing empty source will charge customer default.
 				$prepared_source->source = '';
 			}
 
-			$this->lock_order_payment( $renewal_order );
+			$this->lock_order_payment($renewal_order);
 
-			$response                   = $this->create_and_confirm_intent_for_off_session( $renewal_order, $prepared_source, $amount );
-			$is_authentication_required = $this->is_authentication_required_for_payment( $response );
+			$response                   = $this->create_and_confirm_intent_for_off_session($renewal_order, $prepared_source, $amount);
+			$is_authentication_required = $this->is_authentication_required_for_payment($response);
 
 			// It's only a failed payment if it's an error and it's not of the type 'authentication_required'.
 			// If it's 'authentication_required', then we should email the user and ask them to authenticate.
-			if ( ! empty( $response->error ) && ! $is_authentication_required ) {
+			if ( ! empty($response->error) && ! $is_authentication_required) {
 				// We want to retry.
-				if ( $this->is_retryable_error( $response->error ) ) {
-					if ( $retry ) {
+				if ($this->is_retryable_error($response->error)) {
+					if ($retry) {
 						// Don't do anymore retries after this.
-						if ( 5 <= $this->retry_interval ) {
-							return $this->process_subscription_payment( $amount, $renewal_order, false, $response->error );
+						if (5 <= $this->retry_interval) {
+							return $this->process_subscription_payment($amount, $renewal_order, false, $response->error);
 						}
 
-						sleep( $this->retry_interval );
+						sleep($this->retry_interval);
 
 						$this->retry_interval++;
 
-						return $this->process_subscription_payment( $amount, $renewal_order, true, $response->error );
+						return $this->process_subscription_payment($amount, $renewal_order, true, $response->error);
 					} else {
-						$localized_message = __( 'Sorry, we are unable to process your payment at this time. Please retry later.', 'woocommerce-gateway-stripe' );
-						$renewal_order->add_order_note( $localized_message );
-						throw new WC_Stripe_Exception( print_r( $response, true ), $localized_message );
+						$localized_message = __('Sorry, we are unable to process your payment at this time. Please retry later.', 'woocommerce-gateway-stripe');
+						$renewal_order->add_order_note($localized_message);
+						throw new WC_Stripe_Exception(print_r($response, true), $localized_message);
 					}
 				}
 
 				$localized_messages = WC_Stripe_Helper::get_localized_messages();
 
-				if ( 'card_error' === $response->error->type ) {
-					$localized_message = isset( $localized_messages[ $response->error->code ] ) ? $localized_messages[ $response->error->code ] : $response->error->message;
+				if ('card_error' === $response->error->type) {
+					$localized_message = isset($localized_messages[$response->error->code]) ? $localized_messages[$response->error->code] : $response->error->message;
 				} else {
-					$localized_message = isset( $localized_messages[ $response->error->type ] ) ? $localized_messages[ $response->error->type ] : $response->error->message;
+					$localized_message = isset($localized_messages[$response->error->type]) ? $localized_messages[$response->error->type] : $response->error->message;
 				}
 
-				$renewal_order->add_order_note( $localized_message );
+				$renewal_order->add_order_note($localized_message);
 
-				throw new WC_Stripe_Exception( print_r( $response, true ), $localized_message );
+				throw new WC_Stripe_Exception(print_r($response, true), $localized_message);
 			}
 
 			// Either the charge was successfully captured, or it requires further authentication.
 
-			if ( $is_authentication_required ) {
-				do_action( 'wc_gateway_stripe_process_payment_authentication_required', $renewal_order, $response );
+			if ($is_authentication_required) {
+				do_action('wc_gateway_stripe_process_payment_authentication_required', $renewal_order, $response);
 
-				$error_message = __( 'This transaction requires authentication.', 'woocommerce-gateway-stripe' );
-				$renewal_order->add_order_note( $error_message );
+				$error_message = __('This transaction requires authentication.', 'woocommerce-gateway-stripe');
+				$renewal_order->add_order_note($error_message);
 
-				$charge = end( $response->error->payment_intent->charges->data );
+				$charge = end($response->error->payment_intent->charges->data);
 				$id = $charge->id;
 				$order_id = $renewal_order->get_id();
 
-				$renewal_order->set_transaction_id( $id );
-				$renewal_order->update_status( 'failed', sprintf( __( 'Stripe charge awaiting authentication by user: %s.', 'woocommerce-gateway-stripe' ), $id ) );
-				if ( is_callable( array( $renewal_order, 'save' ) ) ) {
+				$renewal_order->set_transaction_id($id);
+				$renewal_order->update_status('failed', sprintf(__('Stripe charge awaiting authentication by user: %s.', 'woocommerce-gateway-stripe'), $id));
+				if (is_callable(array($renewal_order, 'save'))) {
 					$renewal_order->save();
 				}
 			} else {
 				// The charge was successfully captured
-				do_action( 'wc_gateway_stripe_process_payment', $response, $renewal_order );
+				do_action('wc_gateway_stripe_process_payment', $response, $renewal_order);
 
-				$this->process_response( end( $response->charges->data ), $renewal_order );
+				$this->process_response(end($response->charges->data), $renewal_order);
 			}
 
-			$this->unlock_order_payment( $renewal_order );
-		} catch ( WC_Stripe_Exception $e ) {
-			WC_Stripe_Logger::log( 'Error: ' . $e->getMessage() );
+			$this->unlock_order_payment($renewal_order);
+		} catch (WC_Stripe_Exception $e) {
+			WC_Stripe_Logger::log('Error: ' . $e->getMessage());
 
-			do_action( 'wc_gateway_stripe_process_payment_error', $e, $renewal_order );
+			do_action('wc_gateway_stripe_process_payment_error', $e, $renewal_order);
 
 			/* translators: error message */
-			$renewal_order->update_status( 'failed' );
+			$renewal_order->update_status('failed');
 		}
 	}
 
@@ -419,24 +419,24 @@ 
 	 * @since 3.1.0
 	 * @version 4.0.0
 	 */
-	public function save_source_to_order( $order, $source ) {
-		parent::save_source_to_order( $order, $source );
+	public function save_source_to_order($order, $source) {
+		parent::save_source_to_order($order, $source);
 
 		$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 = $subscription->get_id();
-			update_post_meta( $subscription_id, '_stripe_customer_id', $source->customer );
-			update_post_meta( $subscription_id, '_stripe_source_id', $source->source );
+			update_post_meta($subscription_id, '_stripe_customer_id', $source->customer);
+			update_post_meta($subscription_id, '_stripe_source_id', $source->source);
 		}
 	}
 
@@ -444,26 +444,26 @@ 
 	 * 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( $resubscribe_order->get_id(), '_stripe_customer_id' );
-		delete_post_meta( $resubscribe_order->get_id(), '_stripe_source_id' );
+	public function delete_resubscribe_meta($resubscribe_order) {
+		delete_post_meta($resubscribe_order->get_id(), '_stripe_customer_id');
+		delete_post_meta($resubscribe_order->get_id(), '_stripe_source_id');
 		// For BW compat will remove in future
-		delete_post_meta( $resubscribe_order->get_id(), '_stripe_card_id' );
+		delete_post_meta($resubscribe_order->get_id(), '_stripe_card_id');
 		// delete payment intent ID
-		delete_post_meta( $resubscribe_order->get_id(), '_stripe_intent_id' );
-		$this->delete_renewal_meta( $resubscribe_order );
+		delete_post_meta($resubscribe_order->get_id(), '_stripe_intent_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 ) {
-		WC_Stripe_Helper::delete_stripe_fee( $renewal_order );
-		WC_Stripe_Helper::delete_stripe_net( $renewal_order );
+	public function delete_renewal_meta($renewal_order) {
+		WC_Stripe_Helper::delete_stripe_fee($renewal_order);
+		WC_Stripe_Helper::delete_stripe_net($renewal_order);
 
 		// delete payment intent ID
-		delete_post_meta( $renewal_order->get_id(), '_stripe_intent_id' );
+		delete_post_meta($renewal_order->get_id(), '_stripe_intent_id');
 
 		return $renewal_order;
 	}
@@ -477,9 +477,9 @@ 
 	 * @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( $subscription->get_id(), '_stripe_customer_id', $renewal_order->get_meta( '_stripe_customer_id', true ) );
-		update_post_meta( $subscription->get_id(), '_stripe_source_id', $renewal_order->get_meta( '_stripe_source_id', true ) );
+	public function update_failing_payment_method($subscription, $renewal_order) {
+		update_post_meta($subscription->get_id(), '_stripe_customer_id', $renewal_order->get_meta('_stripe_customer_id', true));
+		update_post_meta($subscription->get_id(), '_stripe_source_id', $renewal_order->get_meta('_stripe_source_id', true));
 	}
 
 	/**
@@ -491,23 +491,23 @@ 
 	 * @param WC_Subscription $subscription An instance of a subscription object
 	 * @return array
 	 */
-	public function add_subscription_payment_meta( $payment_meta, $subscription ) {
+	public function add_subscription_payment_meta($payment_meta, $subscription) {
 		$subscription_id = $subscription->get_id();
-		$source_id       = get_post_meta( $subscription_id, '_stripe_source_id', true );
+		$source_id       = get_post_meta($subscription_id, '_stripe_source_id', true);
 
 		// For BW compat will remove in future.
-		if ( empty( $source_id ) ) {
-			$source_id = get_post_meta( $subscription_id, '_stripe_card_id', true );
+		if (empty($source_id)) {
+			$source_id = get_post_meta($subscription_id, '_stripe_card_id', true);
 
 			// Take this opportunity to update the key name.
-			update_post_meta( $subscription_id, '_stripe_source_id', $source_id );
-			delete_post_meta( $subscription_id, '_stripe_card_id', $source_id );
+			update_post_meta($subscription_id, '_stripe_source_id', $source_id);
+			delete_post_meta($subscription_id, '_stripe_card_id', $source_id);
 		}
 
-		$payment_meta[ $this->id ] = array(
+		$payment_meta[$this->id] = array(
 			'post_meta' => array(
 				'_stripe_customer_id' => array(
-					'value' => get_post_meta( $subscription_id, '_stripe_customer_id', true ),
+					'value' => get_post_meta($subscription_id, '_stripe_customer_id', true),
 					'label' => 'Stripe Customer ID',
 				),
 				'_stripe_source_id'   => array(
@@ -530,27 +530,27 @@ 
 	 * @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( $payment_meta['post_meta']['_stripe_customer_id']['value'] ) ) {
+			if ( ! isset($payment_meta['post_meta']['_stripe_customer_id']['value']) || empty($payment_meta['post_meta']['_stripe_customer_id']['value'])) {
 
 				// Allow empty stripe customer id during subscription renewal. It will be added when processing payment if required.
-				if ( ! isset( $_POST['wc_order_action'] ) || 'wcs_process_renewal' !== $_POST['wc_order_action'] ) {
-					throw new Exception( __( 'A "Stripe Customer ID" value is required.', 'woocommerce-gateway-stripe' ) );
+				if ( ! isset($_POST['wc_order_action']) || 'wcs_process_renewal' !== $_POST['wc_order_action']) {
+					throw new Exception(__('A "Stripe Customer ID" value is required.', 'woocommerce-gateway-stripe'));
 				}
-			} elseif ( 0 !== strpos( $payment_meta['post_meta']['_stripe_customer_id']['value'], 'cus_' ) ) {
-				throw new Exception( __( 'Invalid customer ID. A valid "Stripe Customer ID" must begin with "cus_".', 'woocommerce-gateway-stripe' ) );
+			} elseif (0 !== strpos($payment_meta['post_meta']['_stripe_customer_id']['value'], 'cus_')) {
+				throw new Exception(__('Invalid customer ID. A valid "Stripe Customer ID" must begin with "cus_".', 'woocommerce-gateway-stripe'));
 			}
 
 			if (
-				! empty( $payment_meta['post_meta']['_stripe_source_id']['value'] ) && (
-					0 !== strpos( $payment_meta['post_meta']['_stripe_source_id']['value'], 'card_' )
-					&& 0 !== strpos( $payment_meta['post_meta']['_stripe_source_id']['value'], 'src_' )
-					&& 0 !== strpos( $payment_meta['post_meta']['_stripe_source_id']['value'], 'pm_' )
+				! empty($payment_meta['post_meta']['_stripe_source_id']['value']) && (
+					0 !== strpos($payment_meta['post_meta']['_stripe_source_id']['value'], 'card_')
+					&& 0 !== strpos($payment_meta['post_meta']['_stripe_source_id']['value'], 'src_')
+					&& 0 !== strpos($payment_meta['post_meta']['_stripe_source_id']['value'], 'pm_')
 				)
 			) {
-				throw new Exception( __( 'Invalid source ID. A valid source "Stripe Source ID" must begin with "src_", "pm_", or "card_".', 'woocommerce-gateway-stripe' ) );
+				throw new Exception(__('Invalid source ID. A valid source "Stripe Source ID" must begin with "src_", "pm_", or "card_".', 'woocommerce-gateway-stripe'));
 			}
 		}
 	}
@@ -563,75 +563,75 @@ 
 	 * @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 = $subscription->get_customer_id();
 
 		// bail for other payment methods
-		if ( $subscription->get_payment_method() !== $this->id || ! $customer_user ) {
+		if ($subscription->get_payment_method() !== $this->id || ! $customer_user) {
 			return $payment_method_to_display;
 		}
 
-		$stripe_source_id = get_post_meta( $subscription->get_id(), '_stripe_source_id', true );
+		$stripe_source_id = get_post_meta($subscription->get_id(), '_stripe_source_id', true);
 
 		// For BW compat will remove in future.
-		if ( empty( $stripe_source_id ) ) {
-			$stripe_source_id = get_post_meta( $subscription->get_id(), '_stripe_card_id', true );
+		if (empty($stripe_source_id)) {
+			$stripe_source_id = get_post_meta($subscription->get_id(), '_stripe_card_id', true);
 
 			// Take this opportunity to update the key name.
-			update_post_meta( $subscription->get_id(), '_stripe_source_id', $stripe_source_id );
+			update_post_meta($subscription->get_id(), '_stripe_source_id', $stripe_source_id);
 		}
 
 		$stripe_customer    = new WC_Stripe_Customer();
-		$stripe_customer_id = get_post_meta( $subscription->get_id(), '_stripe_customer_id', true );
+		$stripe_customer_id = get_post_meta($subscription->get_id(), '_stripe_customer_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_option( '_stripe_customer_id', $user_id );
-			$stripe_source_id   = get_user_option( '_stripe_source_id', $user_id );
+			$stripe_customer_id = get_user_option('_stripe_customer_id', $user_id);
+			$stripe_source_id   = get_user_option('_stripe_source_id', $user_id);
 
 			// For BW compat will remove in future.
-			if ( empty( $stripe_source_id ) ) {
-				$stripe_source_id = get_user_option( '_stripe_card_id', $user_id );
+			if (empty($stripe_source_id)) {
+				$stripe_source_id = get_user_option('_stripe_card_id', $user_id);
 
 				// Take this opportunity to update the key name.
-				update_user_option( $user_id, '_stripe_source_id', $stripe_source_id, false );
+				update_user_option($user_id, '_stripe_source_id', $stripe_source_id, false);
 			}
 		}
 
 		// 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( $subscription->get_parent_id(), '_stripe_customer_id', true );
-			$stripe_source_id   = get_post_meta( $subscription->get_parent_id(), '_stripe_source_id', true );
+		if (( ! $stripe_customer_id || ! is_string($stripe_customer_id)) && false !== $subscription->order) {
+			$stripe_customer_id = get_post_meta($subscription->get_parent_id(), '_stripe_customer_id', true);
+			$stripe_source_id   = get_post_meta($subscription->get_parent_id(), '_stripe_source_id', true);
 
 			// For BW compat will remove in future.
-			if ( empty( $stripe_source_id ) ) {
-				$stripe_source_id = get_post_meta( $subscription->get_parent_id(), '_stripe_card_id', true );
+			if (empty($stripe_source_id)) {
+				$stripe_source_id = get_post_meta($subscription->get_parent_id(), '_stripe_card_id', true);
 
 				// Take this opportunity to update the key name.
-				update_post_meta( $subscription->get_parent_id(), '_stripe_source_id', $stripe_source_id );
+				update_post_meta($subscription->get_parent_id(), '_stripe_source_id', $stripe_source_id);
 			}
 		}
 
-		$stripe_customer->set_id( $stripe_customer_id );
+		$stripe_customer->set_id($stripe_customer_id);
 
 		$sources                   = $stripe_customer->get_sources();
-		$payment_method_to_display = __( 'N/A', 'woocommerce-gateway-stripe' );
+		$payment_method_to_display = __('N/A', 'woocommerce-gateway-stripe');
 
-		if ( $sources ) {
+		if ($sources) {
 			$card = false;
 
-			foreach ( $sources as $source ) {
-				if ( isset( $source->type ) && 'card' === $source->type ) {
+			foreach ($sources as $source) {
+				if (isset($source->type) && 'card' === $source->type) {
 					$card = $source->card;
-				} elseif ( isset( $source->object ) && 'card' === $source->object ) {
+				} elseif (isset($source->object) && 'card' === $source->object) {
 					$card = $source;
 				}
 
-				if ( $source->id === $stripe_source_id ) {
-					if ( $card ) {
+				if ($source->id === $stripe_source_id) {
+					if ($card) {
 						/* translators: 1) card brand 2) last 4 digits */
-						$payment_method_to_display = sprintf( __( 'Via %1$s card ending in %2$s', 'woocommerce-gateway-stripe' ), ( isset( $card->brand ) ? $card->brand : __( 'N/A', 'woocommerce-gateway-stripe' ) ), $card->last4 );
+						$payment_method_to_display = sprintf(__('Via %1$s card ending in %2$s', 'woocommerce-gateway-stripe'), (isset($card->brand) ? $card->brand : __('N/A', 'woocommerce-gateway-stripe')), $card->last4);
 					}
 
 					break;
@@ -648,7 +648,7 @@ 
 	 */
 	public function remove_order_pay_var() {
 		global $wp;
-		if ( isset( $_GET['wc-stripe-confirmation'] ) ) {
+		if (isset($_GET['wc-stripe-confirmation'])) {
 			$this->order_pay_var = $wp->query_vars['order-pay'];
 			$wp->query_vars['order-pay'] = null;
 		}
@@ -659,7 +659,7 @@ 
 	 */
 	public function restore_order_pay_var() {
 		global $wp;
-		if ( isset( $this->order_pay_var ) ) {
+		if (isset($this->order_pay_var)) {
 			$wp->query_vars['order-pay'] = $this->order_pay_var;
 		}
 	}
@@ -670,13 +670,13 @@ 
 	 * @param WC_Order $renewal_order The renewal order.
 	 * @return boolean
 	 */
-	public function has_authentication_already_failed( $renewal_order ) {
-		$existing_intent = $this->get_intent_from_order( $renewal_order );
+	public function has_authentication_already_failed($renewal_order) {
+		$existing_intent = $this->get_intent_from_order($renewal_order);
 
 		if (
 			! $existing_intent
 			|| 'requires_payment_method' !== $existing_intent->status
-			|| empty( $existing_intent->last_payment_error )
+			|| empty($existing_intent->last_payment_error)
 			|| 'authentication_required' !== $existing_intent->last_payment_error->code
 		) {
 			return false;
@@ -690,12 +690,12 @@ 
 		 *
 		 * @param WC_Order $renewal_order The order that is being renewed.
 		 */
-		do_action( 'wc_gateway_stripe_process_payment_authentication_required', $renewal_order );
+		do_action('wc_gateway_stripe_process_payment_authentication_required', $renewal_order);
 
 		// Fail the payment attempt (order would be currently pending because of retry rules).
-		$charge    = end( $existing_intent->charges->data );
+		$charge    = end($existing_intent->charges->data);
 		$charge_id = $charge->id;
-		$renewal_order->update_status( 'failed', sprintf( __( 'Stripe charge awaiting authentication by user: %s.', 'woocommerce-gateway-stripe' ), $charge_id ) );
+		$renewal_order->update_status('failed', sprintf(__('Stripe charge awaiting authentication by user: %s.', 'woocommerce-gateway-stripe'), $charge_id));
 
 		return true;
 	}
@@ -706,7 +706,7 @@ 
 	 * @param string $url The URL that Subscriptions attempts a redirect to.
 	 * @return void
 	 */
-	public function redirect_after_early_renewal( $url ) {
+	public function redirect_after_early_renewal($url) {
 		echo wp_json_encode(
 			array(
 				'stripe_sca_required' => false,
@@ -723,12 +723,12 @@ 
 	 * @param WC_Order $order The renewal order.
 	 * @param stdClass $intent The Payment Intent object.
 	 */
-	protected function handle_intent_verification_success( $order, $intent ) {
-		parent::handle_intent_verification_success( $order, $intent );
+	protected function handle_intent_verification_success($order, $intent) {
+		parent::handle_intent_verification_success($order, $intent);
 
-		if ( isset( $_GET['early_renewal'] ) ) { // wpcs: csrf ok.
-			wcs_update_dates_after_early_renewal( wcs_get_subscription( $order->get_meta( '_subscription_renewal' ) ), $order );
-			wc_add_notice( __( 'Your early renewal order was successful.', 'woocommerce-gateway-stripe' ), 'success' );
+		if (isset($_GET['early_renewal'])) { // wpcs: csrf ok.
+			wcs_update_dates_after_early_renewal(wcs_get_subscription($order->get_meta('_subscription_renewal')), $order);
+			wc_add_notice(__('Your early renewal order was successful.', 'woocommerce-gateway-stripe'), 'success');
 		}
 	}
 
@@ -738,12 +738,12 @@ 
 	 * @param WC_Order $order The renewal order.
 	 * @param stdClass $intent The Payment Intent object (unused).
 	 */
-	protected function handle_intent_verification_failure( $order, $intent ) {
-		if ( isset( $_GET['early_renewal'] ) ) {
-			$order->delete( true );
-			wc_add_notice( __( 'Payment authorization for the renewal order was unsuccessful, please try again.', 'woocommerce-gateway-stripe' ), 'error' );
-			$renewal_url = wcs_get_early_renewal_url( wcs_get_subscription( $order->get_meta( '_subscription_renewal' ) ) );
-			wp_redirect( $renewal_url ); exit;
+	protected function handle_intent_verification_failure($order, $intent) {
+		if (isset($_GET['early_renewal'])) {
+			$order->delete(true);
+			wc_add_notice(__('Payment authorization for the renewal order was unsuccessful, please try again.', 'woocommerce-gateway-stripe'), 'error');
+			$renewal_url = wcs_get_early_renewal_url(wcs_get_subscription($order->get_meta('_subscription_renewal')));
+			wp_redirect($renewal_url); exit;
 		}
 	}
 }

includes/class-wc-gateway-stripe.php

Spacing +327 added lines, -327 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit;
 }
 
@@ -85,9 +85,9 @@ 
 	public function __construct() {
 		$this->retry_interval = 1;
 		$this->id             = 'stripe';
-		$this->method_title   = __( 'Stripe', 'woocommerce-gateway-stripe' );
+		$this->method_title   = __('Stripe', 'woocommerce-gateway-stripe');
 		/* translators: 1) link to Stripe register page 2) link to Stripe api keys page */
-		$this->method_description = __( 'Stripe works by adding payment fields on the checkout and then sending the details to Stripe for verification.', 'woocommerce-gateway-stripe' );
+		$this->method_description = __('Stripe works by adding payment fields on the checkout and then sending the details to Stripe for verification.', 'woocommerce-gateway-stripe');
 		$this->has_fields         = true;
 		$this->supports           = array(
 			'products',
@@ -114,41 +114,41 @@ 
 		$this->init_settings();
 
 		// Get setting values.
-		$this->title                = $this->get_option( 'title' );
-		$this->description          = $this->get_option( 'description' );
-		$this->enabled              = $this->get_option( 'enabled' );
-		$this->testmode             = 'yes' === $this->get_option( 'testmode' );
-		$this->inline_cc_form       = 'yes' === $this->get_option( 'inline_cc_form' );
-		$this->capture              = 'yes' === $this->get_option( 'capture', 'yes' );
-		$this->statement_descriptor = WC_Stripe_Helper::clean_statement_descriptor( $this->get_option( 'statement_descriptor' ) );
-		$this->saved_cards          = 'yes' === $this->get_option( 'saved_cards' );
-		$this->secret_key           = $this->testmode ? $this->get_option( 'test_secret_key' ) : $this->get_option( 'secret_key' );
-		$this->publishable_key      = $this->testmode ? $this->get_option( 'test_publishable_key' ) : $this->get_option( 'publishable_key' );
-		$this->payment_request      = 'yes' === $this->get_option( 'payment_request', 'yes' );
-
-		WC_Stripe_API::set_secret_key( $this->secret_key );
+		$this->title                = $this->get_option('title');
+		$this->description          = $this->get_option('description');
+		$this->enabled              = $this->get_option('enabled');
+		$this->testmode             = 'yes' === $this->get_option('testmode');
+		$this->inline_cc_form       = 'yes' === $this->get_option('inline_cc_form');
+		$this->capture              = 'yes' === $this->get_option('capture', 'yes');
+		$this->statement_descriptor = WC_Stripe_Helper::clean_statement_descriptor($this->get_option('statement_descriptor'));
+		$this->saved_cards          = 'yes' === $this->get_option('saved_cards');
+		$this->secret_key           = $this->testmode ? $this->get_option('test_secret_key') : $this->get_option('secret_key');
+		$this->publishable_key      = $this->testmode ? $this->get_option('test_publishable_key') : $this->get_option('publishable_key');
+		$this->payment_request      = 'yes' === $this->get_option('payment_request', 'yes');
+
+		WC_Stripe_API::set_secret_key($this->secret_key);
 
 		// Hooks.
-		add_action( 'wp_enqueue_scripts', array( $this, 'payment_scripts' ) );
-		add_action( 'admin_enqueue_scripts', array( $this, 'admin_scripts' ) );
-		add_action( 'woocommerce_update_options_payment_gateways_' . $this->id, array( $this, 'process_admin_options' ) );
-		add_action( 'woocommerce_admin_order_totals_after_total', array( $this, 'display_order_fee' ) );
-		add_action( 'woocommerce_admin_order_totals_after_total', array( $this, 'display_order_payout' ), 20 );
-		add_action( 'woocommerce_customer_save_address', array( $this, 'show_update_card_notice' ), 10, 2 );
-		add_action( 'before_woocommerce_pay', array( $this, 'prepare_order_pay_page' ) );
-		add_action( 'after_woocommerce_pay', array( $this, 'restore_order_pay_page' ), 99 );
-		add_action( 'woocommerce_account_view-order_endpoint', array( $this, 'check_intent_status_on_order_page' ), 1 );
-		add_filter( 'woocommerce_payment_successful_result', array( $this, 'modify_successful_payment_result' ), 99999, 2 );
-		add_action( 'set_logged_in_cookie', array( $this, 'set_cookie_on_current_request' ) );
-		add_filter( 'woocommerce_get_checkout_payment_url', array( $this, 'get_checkout_payment_url' ), 10, 2 );
+		add_action('wp_enqueue_scripts', array($this, 'payment_scripts'));
+		add_action('admin_enqueue_scripts', array($this, 'admin_scripts'));
+		add_action('woocommerce_update_options_payment_gateways_' . $this->id, array($this, 'process_admin_options'));
+		add_action('woocommerce_admin_order_totals_after_total', array($this, 'display_order_fee'));
+		add_action('woocommerce_admin_order_totals_after_total', array($this, 'display_order_payout'), 20);
+		add_action('woocommerce_customer_save_address', array($this, 'show_update_card_notice'), 10, 2);
+		add_action('before_woocommerce_pay', array($this, 'prepare_order_pay_page'));
+		add_action('after_woocommerce_pay', array($this, 'restore_order_pay_page'), 99);
+		add_action('woocommerce_account_view-order_endpoint', array($this, 'check_intent_status_on_order_page'), 1);
+		add_filter('woocommerce_payment_successful_result', array($this, 'modify_successful_payment_result'), 99999, 2);
+		add_action('set_logged_in_cookie', array($this, 'set_cookie_on_current_request'));
+		add_filter('woocommerce_get_checkout_payment_url', array($this, 'get_checkout_payment_url'), 10, 2);
 
 		// Note: display error is in the parent class.
-		add_action( 'admin_notices', array( $this, 'display_errors' ), 9999 );
+		add_action('admin_notices', array($this, 'display_errors'), 9999);
 
-		if ( WC_Stripe_Helper::is_pre_orders_exists() ) {
+		if (WC_Stripe_Helper::is_pre_orders_exists()) {
 			$this->pre_orders = new WC_Stripe_Pre_Orders_Compat();
 
-			add_action( 'wc_pre_orders_process_pre_order_completion_payment_' . $this->id, array( $this->pre_orders, 'process_pre_order_release_payment' ) );
+			add_action('wc_pre_orders_process_pre_order_completion_payment_' . $this->id, array($this->pre_orders, 'process_pre_order_release_payment'));
 		}
 	}
 
@@ -158,7 +158,7 @@ 
 	 * @since 4.0.2
 	 */
 	public function is_available() {
-		if ( is_add_payment_method_page() && ! $this->saved_cards ) {
+		if (is_add_payment_method_page() && ! $this->saved_cards) {
 			return false;
 		}
 
@@ -172,13 +172,13 @@ 
 	 * @param int    $user_id      The ID of the current user.
 	 * @param string $load_address The address to load.
 	 */
-	public function show_update_card_notice( $user_id, $load_address ) {
-		if ( ! $this->saved_cards || ! WC_Stripe_Payment_Tokens::customer_has_saved_methods( $user_id ) || 'billing' !== $load_address ) {
+	public function show_update_card_notice($user_id, $load_address) {
+		if ( ! $this->saved_cards || ! WC_Stripe_Payment_Tokens::customer_has_saved_methods($user_id) || 'billing' !== $load_address) {
 			return;
 		}
 
 		/* translators: 1) Opening anchor tag 2) closing anchor tag */
-		wc_add_notice( sprintf( __( 'If your billing address has been changed for saved payment methods, be sure to remove any %1$ssaved payment methods%2$s on file and re-add them.', 'woocommerce-gateway-stripe' ), '<a href="' . esc_url( wc_get_endpoint_url( 'payment-methods' ) ) . '" class="wc-stripe-update-card-notice" style="text-decoration:underline;">', '</a>' ), 'notice' );
+		wc_add_notice(sprintf(__('If your billing address has been changed for saved payment methods, be sure to remove any %1$ssaved payment methods%2$s on file and re-add them.', 'woocommerce-gateway-stripe'), '<a href="' . esc_url(wc_get_endpoint_url('payment-methods')) . '" class="wc-stripe-update-card-notice" style="text-decoration:underline;">', '</a>'), 'notice');
 	}
 
 	/**
@@ -193,24 +193,24 @@ 
 
 		$icons_str = '';
 
-		$icons_str .= isset( $icons['visa'] ) ? $icons['visa'] : '';
-		$icons_str .= isset( $icons['amex'] ) ? $icons['amex'] : '';
-		$icons_str .= isset( $icons['mastercard'] ) ? $icons['mastercard'] : '';
+		$icons_str .= isset($icons['visa']) ? $icons['visa'] : '';
+		$icons_str .= isset($icons['amex']) ? $icons['amex'] : '';
+		$icons_str .= isset($icons['mastercard']) ? $icons['mastercard'] : '';
 
-		if ( 'USD' === get_woocommerce_currency() ) {
-			$icons_str .= isset( $icons['discover'] ) ? $icons['discover'] : '';
-			$icons_str .= isset( $icons['jcb'] ) ? $icons['jcb'] : '';
-			$icons_str .= isset( $icons['diners'] ) ? $icons['diners'] : '';
+		if ('USD' === get_woocommerce_currency()) {
+			$icons_str .= isset($icons['discover']) ? $icons['discover'] : '';
+			$icons_str .= isset($icons['jcb']) ? $icons['jcb'] : '';
+			$icons_str .= isset($icons['diners']) ? $icons['diners'] : '';
 		}
 
-		return apply_filters( 'woocommerce_gateway_icon', $icons_str, $this->id );
+		return apply_filters('woocommerce_gateway_icon', $icons_str, $this->id);
 	}
 
 	/**
 	 * Initialise Gateway Settings Form Fields
 	 */
 	public function init_form_fields() {
-		$this->form_fields = require( dirname( __FILE__ ) . '/admin/stripe-settings.php' );
+		$this->form_fields = require(dirname(__FILE__) . '/admin/stripe-settings.php');
 	}
 
 	/**
@@ -219,27 +219,27 @@ 
 	public function payment_fields() {
 		global $wp;
 		$user                 = wp_get_current_user();
-		$display_tokenization = $this->supports( 'tokenization' ) && is_checkout() && $this->saved_cards;
+		$display_tokenization = $this->supports('tokenization') && is_checkout() && $this->saved_cards;
 		$total                = WC()->cart->total;
 		$user_email           = '';
 		$description          = $this->get_description();
-		$description          = ! empty( $description ) ? $description : '';
+		$description          = ! empty($description) ? $description : '';
 		$firstname            = '';
 		$lastname             = '';
 
 		// If paying from order, we need to get total from order not cart.
-		if ( isset( $_GET['pay_for_order'] ) && ! empty( $_GET['key'] ) ) { // wpcs: csrf ok.
-			$order      = wc_get_order( wc_clean( $wp->query_vars['order-pay'] ) ); // wpcs: csrf ok, sanitization ok.
+		if (isset($_GET['pay_for_order']) && ! empty($_GET['key'])) { // wpcs: csrf ok.
+			$order      = wc_get_order(wc_clean($wp->query_vars['order-pay'])); // wpcs: csrf ok, sanitization ok.
 			$total      = $order->get_total();
 			$user_email = $order->get_billing_email();
 		} else {
-			if ( $user->ID ) {
-				$user_email = get_user_meta( $user->ID, 'billing_email', true );
+			if ($user->ID) {
+				$user_email = get_user_meta($user->ID, 'billing_email', true);
 				$user_email = $user_email ? $user_email : $user->user_email;
 			}
 		}
 
-		if ( is_add_payment_method_page() ) {
+		if (is_add_payment_method_page()) {
 			$firstname       = $user->user_firstname;
 			$lastname        = $user->user_lastname;
 		}
@@ -248,33 +248,33 @@ 
 
 		echo '<div
 			id="stripe-payment-data"
-			data-email="' . esc_attr( $user_email ) . '"
-			data-full-name="' . esc_attr( $firstname . ' ' . $lastname ) . '"
-			data-currency="' . esc_attr( strtolower( get_woocommerce_currency() ) ) . '"
+			data-email="' . esc_attr($user_email) . '"
+			data-full-name="' . esc_attr($firstname . ' ' . $lastname) . '"
+			data-currency="' . esc_attr(strtolower(get_woocommerce_currency())) . '"
 		>';
 
-		if ( $this->testmode ) {
+		if ($this->testmode) {
 			/* translators: link to Stripe testing page */
-			$description .= ' ' . sprintf( __( 'TEST MODE ENABLED. In test mode, you can use the card number 4242424242424242 with any CVC and a valid expiration date or check the <a href="%s" target="_blank">Testing Stripe documentation</a> for more card numbers.', 'woocommerce-gateway-stripe' ), 'https://stripe.com/docs/testing' );
+			$description .= ' ' . sprintf(__('TEST MODE ENABLED. In test mode, you can use the card number 4242424242424242 with any CVC and a valid expiration date or check the <a href="%s" target="_blank">Testing Stripe documentation</a> for more card numbers.', 'woocommerce-gateway-stripe'), 'https://stripe.com/docs/testing');
 		}
 
-		$description = trim( $description );
+		$description = trim($description);
 
-		echo apply_filters( 'wc_stripe_description', wpautop( wp_kses_post( $description ) ), $this->id ); // wpcs: xss ok.
+		echo apply_filters('wc_stripe_description', wpautop(wp_kses_post($description)), $this->id); // wpcs: xss ok.
 
-		if ( $display_tokenization ) {
+		if ($display_tokenization) {
 			$this->tokenization_script();
 			$this->saved_payment_methods();
 		}
 
 		$this->elements_form();
 
-		if ( apply_filters( 'wc_stripe_display_save_payment_method_checkbox', $display_tokenization ) && ! is_add_payment_method_page() && ! isset( $_GET['change_payment_method'] ) ) { // wpcs: csrf ok.
+		if (apply_filters('wc_stripe_display_save_payment_method_checkbox', $display_tokenization) && ! is_add_payment_method_page() && ! isset($_GET['change_payment_method'])) { // wpcs: csrf ok.
 
 			$this->save_payment_method_checkbox();
 		}
 
-		do_action( 'wc_stripe_cards_payment_fields', $this->id );
+		do_action('wc_stripe_cards_payment_fields', $this->id);
 
 		echo '</div>';
 
@@ -289,12 +289,12 @@ 
 	 */
 	public function elements_form() {
 		?>
-		<fieldset id="wc-<?php echo esc_attr( $this->id ); ?>-cc-form" class="wc-credit-card-form wc-payment-form" style="background:transparent;">
-			<?php do_action( 'woocommerce_credit_card_form_start', $this->id ); ?>
+		<fieldset id="wc-<?php echo esc_attr($this->id); ?>-cc-form" class="wc-credit-card-form wc-payment-form" style="background:transparent;">
+			<?php do_action('woocommerce_credit_card_form_start', $this->id); ?>
 
-			<?php if ( $this->inline_cc_form ) { ?>
+			<?php if ($this->inline_cc_form) { ?>
 				<label for="card-element">
-					<?php esc_html_e( 'Credit or debit card', 'woocommerce-gateway-stripe' ); ?>
+					<?php esc_html_e('Credit or debit card', 'woocommerce-gateway-stripe'); ?>
 				</label>
 
 				<div id="stripe-card-element" class="wc-stripe-elements-field">
@@ -302,7 +302,7 @@ 
 				</div>
 			<?php } else { ?>
 				<div class="form-row form-row-wide">
-					<label for="stripe-card-element"><?php esc_html_e( 'Card Number', 'woocommerce-gateway-stripe' ); ?> <span class="required">*</span></label>
+					<label for="stripe-card-element"><?php esc_html_e('Card Number', 'woocommerce-gateway-stripe'); ?> <span class="required">*</span></label>
 					<div class="stripe-card-group">
 						<div id="stripe-card-element" class="wc-stripe-elements-field">
 						<!-- a Stripe Element will be inserted here. -->
@@ -313,7 +313,7 @@ 
 				</div>
 
 				<div class="form-row form-row-first">
-					<label for="stripe-exp-element"><?php esc_html_e( 'Expiry Date', 'woocommerce-gateway-stripe' ); ?> <span class="required">*</span></label>
+					<label for="stripe-exp-element"><?php esc_html_e('Expiry Date', 'woocommerce-gateway-stripe'); ?> <span class="required">*</span></label>
 
 					<div id="stripe-exp-element" class="wc-stripe-elements-field">
 					<!-- a Stripe Element will be inserted here. -->
@@ -321,7 +321,7 @@ 
 				</div>
 
 				<div class="form-row form-row-last">
-					<label for="stripe-cvc-element"><?php esc_html_e( 'Card Code (CVC)', 'woocommerce-gateway-stripe' ); ?> <span class="required">*</span></label>
+					<label for="stripe-cvc-element"><?php esc_html_e('Card Code (CVC)', 'woocommerce-gateway-stripe'); ?> <span class="required">*</span></label>
 				<div id="stripe-cvc-element" class="wc-stripe-elements-field">
 				<!-- a Stripe Element will be inserted here. -->
 				</div>
@@ -332,7 +332,7 @@ 
 			<!-- Used to display form errors -->
 			<div class="stripe-source-errors" role="alert"></div>
 			<br />
-			<?php do_action( 'woocommerce_credit_card_form_end', $this->id ); ?>
+			<?php do_action('woocommerce_credit_card_form_end', $this->id); ?>
 			<div class="clear"></div>
 		</fieldset>
 		<?php
@@ -345,13 +345,13 @@ 
 	 * @version 3.1.0
 	 */
 	public function admin_scripts() {
-		if ( 'woocommerce_page_wc-settings' !== get_current_screen()->id ) {
+		if ('woocommerce_page_wc-settings' !== get_current_screen()->id) {
 			return;
 		}
 
-		$suffix = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
+		$suffix = defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ? '' : '.min';
 
-		wp_enqueue_script( 'woocommerce_stripe_admin', plugins_url( 'assets/js/stripe-admin' . $suffix . '.js', WC_STRIPE_MAIN_FILE ), array(), WC_STRIPE_VERSION, true );
+		wp_enqueue_script('woocommerce_stripe_admin', plugins_url('assets/js/stripe-admin' . $suffix . '.js', WC_STRIPE_MAIN_FILE), array(), WC_STRIPE_VERSION, true);
 	}
 
 	/**
@@ -368,54 +368,54 @@ 
 			! is_product()
 			&& ! is_cart()
 			&& ! is_checkout()
-			&& ! isset( $_GET['pay_for_order'] ) // wpcs: csrf ok.
+			&& ! isset($_GET['pay_for_order']) // wpcs: csrf ok.
 			&& ! is_add_payment_method_page()
-			&& ! isset( $_GET['change_payment_method'] ) // wpcs: csrf ok.
-			&& ! ( ! empty( get_query_var( 'view-subscription' ) ) && is_callable( 'WCS_Early_Renewal_Manager::is_early_renewal_via_modal_enabled' ) && WCS_Early_Renewal_Manager::is_early_renewal_via_modal_enabled() )
-			|| ( is_order_received_page() )
+			&& ! isset($_GET['change_payment_method']) // wpcs: csrf ok.
+			&& ! ( ! empty(get_query_var('view-subscription')) && is_callable('WCS_Early_Renewal_Manager::is_early_renewal_via_modal_enabled') && WCS_Early_Renewal_Manager::is_early_renewal_via_modal_enabled())
+			|| (is_order_received_page())
 		) {
 			return;
 		}
 
 		// If Stripe is not enabled bail.
-		if ( 'no' === $this->enabled ) {
+		if ('no' === $this->enabled) {
 			return;
 		}
 
 		// If keys are not set bail.
-		if ( ! $this->are_keys_set() ) {
-			WC_Stripe_Logger::log( 'Keys are not set correctly.' );
+		if ( ! $this->are_keys_set()) {
+			WC_Stripe_Logger::log('Keys are not set correctly.');
 			return;
 		}
 
 		// If no SSL bail.
-		if ( ! $this->testmode && ! is_ssl() ) {
-			WC_Stripe_Logger::log( 'Stripe live mode requires SSL.' );
+		if ( ! $this->testmode && ! is_ssl()) {
+			WC_Stripe_Logger::log('Stripe live mode requires SSL.');
 			return;
 		}
 
 		$current_theme = wp_get_theme();
 
-		$suffix = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
+		$suffix = defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ? '' : '.min';
 
-		wp_register_style( 'stripe_styles', plugins_url( 'assets/css/stripe-styles.css', WC_STRIPE_MAIN_FILE ), array(), WC_STRIPE_VERSION );
-		wp_enqueue_style( 'stripe_styles' );
+		wp_register_style('stripe_styles', plugins_url('assets/css/stripe-styles.css', WC_STRIPE_MAIN_FILE), array(), WC_STRIPE_VERSION);
+		wp_enqueue_style('stripe_styles');
 
-		wp_register_script( 'stripe', 'https://js.stripe.com/v3/', '', '3.0', true );
-		wp_register_script( 'woocommerce_stripe', plugins_url( 'assets/js/stripe' . $suffix . '.js', WC_STRIPE_MAIN_FILE ), array( 'jquery-payment', 'stripe' ), WC_STRIPE_VERSION, true );
+		wp_register_script('stripe', 'https://js.stripe.com/v3/', '', '3.0', true);
+		wp_register_script('woocommerce_stripe', plugins_url('assets/js/stripe' . $suffix . '.js', WC_STRIPE_MAIN_FILE), array('jquery-payment', 'stripe'), WC_STRIPE_VERSION, true);
 
 		$stripe_params = array(
 			'key'                  => $this->publishable_key,
-			'i18n_terms'           => __( 'Please accept the terms and conditions first', 'woocommerce-gateway-stripe' ),
-			'i18n_required_fields' => __( 'Please fill in required checkout fields first', 'woocommerce-gateway-stripe' ),
+			'i18n_terms'           => __('Please accept the terms and conditions first', 'woocommerce-gateway-stripe'),
+			'i18n_required_fields' => __('Please fill in required checkout fields first', 'woocommerce-gateway-stripe'),
 		);
 
 		// If we're on the pay page we need to pass stripe.js the address of the order.
-		if ( isset( $_GET['pay_for_order'] ) && 'true' === $_GET['pay_for_order'] ) { // wpcs: csrf ok.
-			$order_id = wc_clean( $wp->query_vars['order-pay'] ); // wpcs: csrf ok, sanitization ok, xss ok.
-			$order    = wc_get_order( $order_id );
+		if (isset($_GET['pay_for_order']) && 'true' === $_GET['pay_for_order']) { // wpcs: csrf ok.
+			$order_id = wc_clean($wp->query_vars['order-pay']); // wpcs: csrf ok, sanitization ok, xss ok.
+			$order    = wc_get_order($order_id);
 
-			if ( is_a( $order, 'WC_Order' ) ) {
+			if (is_a($order, 'WC_Order')) {
 				$stripe_params['billing_first_name'] = $order->get_billing_first_name();
 				$stripe_params['billing_last_name']  = $order->get_billing_last_name();
 				$stripe_params['billing_address_1']  = $order->get_billing_address_1();
@@ -430,40 +430,40 @@ 
 		$sepa_elements_options = apply_filters(
 			'wc_stripe_sepa_elements_options',
 			array(
-				'supportedCountries' => array( 'SEPA' ),
+				'supportedCountries' => array('SEPA'),
 				'placeholderCountry' => WC()->countries->get_base_country(),
-				'style'              => array( 'base' => array( 'fontSize' => '15px' ) ),
+				'style'              => array('base' => array('fontSize' => '15px')),
 			)
 		);
 
-		$stripe_params['no_prepaid_card_msg']       = __( 'Sorry, we\'re not accepting prepaid cards at this time. Your credit card has not been charged. Please try with alternative payment method.', 'woocommerce-gateway-stripe' );
-		$stripe_params['no_sepa_owner_msg']         = __( 'Please enter your IBAN account name.', 'woocommerce-gateway-stripe' );
-		$stripe_params['no_sepa_iban_msg']          = __( 'Please enter your IBAN account number.', 'woocommerce-gateway-stripe' );
-		$stripe_params['payment_intent_error']      = __( 'We couldn\'t initiate the payment. Please try again.', 'woocommerce-gateway-stripe' );
-		$stripe_params['sepa_mandate_notification'] = apply_filters( 'wc_stripe_sepa_mandate_notification', 'email' );
-		$stripe_params['allow_prepaid_card']        = apply_filters( 'wc_stripe_allow_prepaid_card', true ) ? 'yes' : 'no';
+		$stripe_params['no_prepaid_card_msg']       = __('Sorry, we\'re not accepting prepaid cards at this time. Your credit card has not been charged. Please try with alternative payment method.', 'woocommerce-gateway-stripe');
+		$stripe_params['no_sepa_owner_msg']         = __('Please enter your IBAN account name.', 'woocommerce-gateway-stripe');
+		$stripe_params['no_sepa_iban_msg']          = __('Please enter your IBAN account number.', 'woocommerce-gateway-stripe');
+		$stripe_params['payment_intent_error']      = __('We couldn\'t initiate the payment. Please try again.', 'woocommerce-gateway-stripe');
+		$stripe_params['sepa_mandate_notification'] = apply_filters('wc_stripe_sepa_mandate_notification', 'email');
+		$stripe_params['allow_prepaid_card']        = apply_filters('wc_stripe_allow_prepaid_card', true) ? 'yes' : 'no';
 		$stripe_params['inline_cc_form']            = $this->inline_cc_form ? 'yes' : 'no';
-		$stripe_params['is_checkout']               = ( is_checkout() && empty( $_GET['pay_for_order'] ) ) ? 'yes' : 'no'; // wpcs: csrf ok.
+		$stripe_params['is_checkout']               = (is_checkout() && empty($_GET['pay_for_order'])) ? 'yes' : 'no'; // wpcs: csrf ok.
 		$stripe_params['return_url']                = $this->get_stripe_return_url();
-		$stripe_params['ajaxurl']                   = WC_AJAX::get_endpoint( '%%endpoint%%' );
-		$stripe_params['stripe_nonce']              = wp_create_nonce( '_wc_stripe_nonce' );
+		$stripe_params['ajaxurl']                   = WC_AJAX::get_endpoint('%%endpoint%%');
+		$stripe_params['stripe_nonce']              = wp_create_nonce('_wc_stripe_nonce');
 		$stripe_params['statement_descriptor']      = $this->statement_descriptor;
-		$stripe_params['elements_options']          = apply_filters( 'wc_stripe_elements_options', array() );
+		$stripe_params['elements_options']          = apply_filters('wc_stripe_elements_options', array());
 		$stripe_params['sepa_elements_options']     = $sepa_elements_options;
-		$stripe_params['invalid_owner_name']        = __( 'Billing First Name and Last Name are required.', 'woocommerce-gateway-stripe' );
-		$stripe_params['is_change_payment_page']    = isset( $_GET['change_payment_method'] ) ? 'yes' : 'no'; // wpcs: csrf ok.
-		$stripe_params['is_add_payment_page']       = is_wc_endpoint_url( 'add-payment-method' ) ? 'yes' : 'no';
-		$stripe_params['is_pay_for_order_page']     = is_wc_endpoint_url( 'order-pay' ) ? 'yes' : 'no';
-		$stripe_params['elements_styling']          = apply_filters( 'wc_stripe_elements_styling', false );
-		$stripe_params['elements_classes']          = apply_filters( 'wc_stripe_elements_classes', false );
+		$stripe_params['invalid_owner_name']        = __('Billing First Name and Last Name are required.', 'woocommerce-gateway-stripe');
+		$stripe_params['is_change_payment_page']    = isset($_GET['change_payment_method']) ? 'yes' : 'no'; // wpcs: csrf ok.
+		$stripe_params['is_add_payment_page']       = is_wc_endpoint_url('add-payment-method') ? 'yes' : 'no';
+		$stripe_params['is_pay_for_order_page']     = is_wc_endpoint_url('order-pay') ? 'yes' : 'no';
+		$stripe_params['elements_styling']          = apply_filters('wc_stripe_elements_styling', false);
+		$stripe_params['elements_classes']          = apply_filters('wc_stripe_elements_classes', false);
 
 		// Merge localized messages to be use in JS.
-		$stripe_params = array_merge( $stripe_params, WC_Stripe_Helper::get_localized_messages() );
+		$stripe_params = array_merge($stripe_params, WC_Stripe_Helper::get_localized_messages());
 
-		wp_localize_script( 'woocommerce_stripe', 'wc_stripe_params', apply_filters( 'wc_stripe_params', $stripe_params ) );
+		wp_localize_script('woocommerce_stripe', 'wc_stripe_params', apply_filters('wc_stripe_params', $stripe_params));
 
 		$this->tokenization_script();
-		wp_enqueue_script( 'woocommerce_stripe' );
+		wp_enqueue_script('woocommerce_stripe');
 	}
 
 	/**
@@ -474,14 +474,14 @@ 
 	 * @param object $prepared_source The object with source details.
 	 * @throws WC_Stripe_Exception An exception if the card is prepaid, but prepaid cards are not allowed.
 	 */
-	public function maybe_disallow_prepaid_card( $prepared_source ) {
+	public function maybe_disallow_prepaid_card($prepared_source) {
 		// Check if we don't allow prepaid credit cards.
-		if ( apply_filters( 'wc_stripe_allow_prepaid_card', true ) || ! $this->is_prepaid_card( $prepared_source->source_object ) ) {
+		if (apply_filters('wc_stripe_allow_prepaid_card', true) || ! $this->is_prepaid_card($prepared_source->source_object)) {
 			return;
 		}
 
-		$localized_message = __( 'Sorry, we\'re not accepting prepaid cards at this time. Your credit card has not been charged. Please try with alternative payment method.', 'woocommerce-gateway-stripe' );
-		throw new WC_Stripe_Exception( print_r( $prepared_source->source_object, true ), $localized_message );
+		$localized_message = __('Sorry, we\'re not accepting prepaid cards at this time. Your credit card has not been charged. Please try with alternative payment method.', 'woocommerce-gateway-stripe');
+		throw new WC_Stripe_Exception(print_r($prepared_source->source_object, true), $localized_message);
 	}
 
 	/**
@@ -491,10 +491,10 @@ 
 	 * @param  object $prepared_source The source that should be verified.
 	 * @throws WC_Stripe_Exception     An exception if the source ID is missing.
 	 */
-	public function check_source( $prepared_source ) {
-		if ( empty( $prepared_source->source ) ) {
-			$localized_message = __( 'Payment processing failed. Please retry.', 'woocommerce-gateway-stripe' );
-			throw new WC_Stripe_Exception( print_r( $prepared_source, true ), $localized_message );
+	public function check_source($prepared_source) {
+		if (empty($prepared_source->source)) {
+			$localized_message = __('Payment processing failed. Please retry.', 'woocommerce-gateway-stripe');
+			throw new WC_Stripe_Exception(print_r($prepared_source, true), $localized_message);
 		}
 	}
 
@@ -506,13 +506,13 @@ 
 	 * @param WC_Order $order The order those payment is being processed.
 	 * @return bool           A flag that indicates that the customer does not exist and should be removed.
 	 */
-	public function maybe_remove_non_existent_customer( $error, $order ) {
-		if ( ! $this->is_no_such_customer_error( $error ) ) {
+	public function maybe_remove_non_existent_customer($error, $order) {
+		if ( ! $this->is_no_such_customer_error($error)) {
 			return false;
 		}
 
-		delete_user_option( $order->get_customer_id(), '_stripe_customer_id' );
-		$order->delete_meta_data( '_stripe_customer_id' );
+		delete_user_option($order->get_customer_id(), '_stripe_customer_id');
+		$order->delete_meta_data('_stripe_customer_id');
 		$order->save();
 
 		return true;
@@ -527,15 +527,15 @@ 
 	 * @param boolean  $force_save_source Whether the payment source must be saved, like when dealing with a Subscription setup.
 	 * @return array                      Redirection data for `process_payment`.
 	 */
-	public function complete_free_order( $order, $prepared_source, $force_save_source ) {
-		if ( $force_save_source ) {
-			$intent_secret = $this->setup_intent( $order, $prepared_source );
+	public function complete_free_order($order, $prepared_source, $force_save_source) {
+		if ($force_save_source) {
+			$intent_secret = $this->setup_intent($order, $prepared_source);
 
-			if ( ! empty( $intent_secret ) ) {
+			if ( ! empty($intent_secret)) {
 				// `get_return_url()` must be called immediately before returning a value.
 				return array(
 					'result'              => 'success',
-					'redirect'            => $this->get_return_url( $order ),
+					'redirect'            => $this->get_return_url($order),
 					'setup_intent_secret' => $intent_secret,
 				);
 			}
@@ -549,7 +549,7 @@ 
 		// Return thank you page redirect.
 		return array(
 			'result'   => 'success',
-			'redirect' => $this->get_return_url( $order ),
+			'redirect' => $this->get_return_url($order),
 		);
 	}
 
@@ -567,81 +567,81 @@ 
 	 * @throws Exception If payment will not be accepted.
 	 * @return array|void
 	 */
-	public function process_payment( $order_id, $retry = true, $force_save_source = false, $previous_error = false, $use_order_source = false ) {
+	public function process_payment($order_id, $retry = true, $force_save_source = false, $previous_error = false, $use_order_source = false) {
 		try {
-			$order = wc_get_order( $order_id );
+			$order = wc_get_order($order_id);
 
 			// ToDo: `process_pre_order` saves the source to the order for a later payment.
 			// This might not work well with PaymentIntents.
-			if ( $this->maybe_process_pre_orders( $order_id ) ) {
-				return $this->pre_orders->process_pre_order( $order_id );
+			if ($this->maybe_process_pre_orders($order_id)) {
+				return $this->pre_orders->process_pre_order($order_id);
 			}
 
 			// Check whether there is an existing intent.
-			$intent = $this->get_intent_from_order( $order );
-			if ( isset( $intent->object ) && 'setup_intent' === $intent->object ) {
+			$intent = $this->get_intent_from_order($order);
+			if (isset($intent->object) && 'setup_intent' === $intent->object) {
 				$intent = false; // This function can only deal with *payment* intents
 			}
 
 			$stripe_customer_id = null;
-			if ( $intent && ! empty( $intent->customer ) ) {
+			if ($intent && ! empty($intent->customer)) {
 				$stripe_customer_id = $intent->customer;
 			}
 
 			// For some payments the source should already be present in the order.
-			if ( $use_order_source ) {
-				$prepared_source = $this->prepare_order_source( $order );
+			if ($use_order_source) {
+				$prepared_source = $this->prepare_order_source($order);
 			} else {
-				$prepared_source = $this->prepare_source( get_current_user_id(), $force_save_source, $stripe_customer_id );
+				$prepared_source = $this->prepare_source(get_current_user_id(), $force_save_source, $stripe_customer_id);
 			}
 
-			$this->maybe_disallow_prepaid_card( $prepared_source );
-			$this->check_source( $prepared_source );
-			$this->save_source_to_order( $order, $prepared_source );
+			$this->maybe_disallow_prepaid_card($prepared_source);
+			$this->check_source($prepared_source);
+			$this->save_source_to_order($order, $prepared_source);
 
-			if ( 0 >= $order->get_total() ) {
-				return $this->complete_free_order( $order, $prepared_source, $force_save_source );
+			if (0 >= $order->get_total()) {
+				return $this->complete_free_order($order, $prepared_source, $force_save_source);
 			}
 
 			// This will throw exception if not valid.
-			$this->validate_minimum_order_amount( $order );
+			$this->validate_minimum_order_amount($order);
 
-			WC_Stripe_Logger::log( "Info: Begin processing payment for order $order_id for the amount of {$order->get_total()}" );
+			WC_Stripe_Logger::log("Info: Begin processing payment for order $order_id for the amount of {$order->get_total()}");
 
-			if ( $intent ) {
-				$intent = $this->update_existing_intent( $intent, $order, $prepared_source );
+			if ($intent) {
+				$intent = $this->update_existing_intent($intent, $order, $prepared_source);
 			} else {
-				$intent = $this->create_intent( $order, $prepared_source );
+				$intent = $this->create_intent($order, $prepared_source);
 			}
 
 			// Confirm the intent after locking the order to make sure webhooks will not interfere.
-			if ( empty( $intent->error ) ) {
-				$this->lock_order_payment( $order, $intent );
-				$intent = $this->confirm_intent( $intent, $order, $prepared_source );
+			if (empty($intent->error)) {
+				$this->lock_order_payment($order, $intent);
+				$intent = $this->confirm_intent($intent, $order, $prepared_source);
 			}
 
-			if ( ! empty( $intent->error ) ) {
-				$this->maybe_remove_non_existent_customer( $intent->error, $order );
+			if ( ! empty($intent->error)) {
+				$this->maybe_remove_non_existent_customer($intent->error, $order);
 
 				// We want to retry.
-				if ( $this->is_retryable_error( $intent->error ) ) {
-					return $this->retry_after_error( $intent, $order, $retry, $force_save_source, $previous_error, $use_order_source );
+				if ($this->is_retryable_error($intent->error)) {
+					return $this->retry_after_error($intent, $order, $retry, $force_save_source, $previous_error, $use_order_source);
 				}
 
-				$this->unlock_order_payment( $order );
-				$this->throw_localized_message( $intent, $order );
+				$this->unlock_order_payment($order);
+				$this->throw_localized_message($intent, $order);
 			}
 
-			if ( ! empty( $intent ) ) {
+			if ( ! empty($intent)) {
 				// Use the last charge within the intent to proceed.
-				$response = end( $intent->charges->data );
+				$response = end($intent->charges->data);
 
 				// If the intent requires a 3DS flow, redirect to it.
-				if ( 'requires_action' === $intent->status ) {
-					$this->unlock_order_payment( $order );
+				if ('requires_action' === $intent->status) {
+					$this->unlock_order_payment($order);
 
-					if ( is_wc_endpoint_url( 'order-pay' ) ) {
-						$redirect_url = add_query_arg( 'wc-stripe-confirmation', 1, $order->get_checkout_payment_url( false ) );
+					if (is_wc_endpoint_url('order-pay')) {
+						$redirect_url = add_query_arg('wc-stripe-confirmation', 1, $order->get_checkout_payment_url(false));
 
 						return array(
 							'result'   => 'success',
@@ -656,7 +656,7 @@ 
 
 						return array(
 							'result'                => 'success',
-							'redirect'              => $this->get_return_url( $order ),
+							'redirect'              => $this->get_return_url($order),
 							'payment_intent_secret' => $intent->client_secret,
 						);
 					}
@@ -664,30 +664,30 @@ 
 			}
 
 			// Process valid response.
-			$this->process_response( $response, $order );
+			$this->process_response($response, $order);
 
 			// Remove cart.
-			if ( isset( WC()->cart ) ) {
+			if (isset(WC()->cart)) {
 				WC()->cart->empty_cart();
 			}
 
 			// Unlock the order.
-			$this->unlock_order_payment( $order );
+			$this->unlock_order_payment($order);
 
 			// Return thank you page redirect.
 			return array(
 				'result'   => 'success',
-				'redirect' => $this->get_return_url( $order ),
+				'redirect' => $this->get_return_url($order),
 			);
 
-		} catch ( WC_Stripe_Exception $e ) {
-			wc_add_notice( $e->getLocalizedMessage(), 'error' );
-			WC_Stripe_Logger::log( 'Error: ' . $e->getMessage() );
+		} catch (WC_Stripe_Exception $e) {
+			wc_add_notice($e->getLocalizedMessage(), 'error');
+			WC_Stripe_Logger::log('Error: ' . $e->getMessage());
 
-			do_action( 'wc_gateway_stripe_process_payment_error', $e, $order );
+			do_action('wc_gateway_stripe_process_payment_error', $e, $order);
 
 			/* translators: error message */
-			$order->update_status( 'failed' );
+			$order->update_status('failed');
 
 			return array(
 				'result'   => 'fail',
@@ -703,17 +703,17 @@ 
 	 *
 	 * @param int $order_id The ID of the order.
 	 */
-	public function display_order_fee( $order_id ) {
-		if ( apply_filters( 'wc_stripe_hide_display_order_fee', false, $order_id ) ) {
+	public function display_order_fee($order_id) {
+		if (apply_filters('wc_stripe_hide_display_order_fee', false, $order_id)) {
 			return;
 		}
 
-		$order = wc_get_order( $order_id );
+		$order = wc_get_order($order_id);
 
-		$fee      = WC_Stripe_Helper::get_stripe_fee( $order );
-		$currency = WC_Stripe_Helper::get_stripe_currency( $order );
+		$fee      = WC_Stripe_Helper::get_stripe_fee($order);
+		$currency = WC_Stripe_Helper::get_stripe_currency($order);
 
-		if ( ! $fee || ! $currency ) {
+		if ( ! $fee || ! $currency) {
 			return;
 		}
 
@@ -721,12 +721,12 @@ 
 
 		<tr>
 			<td class="label stripe-fee">
-				<?php echo wc_help_tip( __( 'This represents the fee Stripe collects for the transaction.', 'woocommerce-gateway-stripe' ) ); // wpcs: xss ok. ?>
-				<?php esc_html_e( 'Stripe Fee:', 'woocommerce-gateway-stripe' ); ?>
+				<?php echo wc_help_tip(__('This represents the fee Stripe collects for the transaction.', 'woocommerce-gateway-stripe')); // wpcs: xss ok. ?>
+				<?php esc_html_e('Stripe Fee:', 'woocommerce-gateway-stripe'); ?>
 			</td>
 			<td width="1%"></td>
 			<td class="total">
-				-&nbsp;<?php echo wc_price( $fee, array( 'currency' => $currency ) ); // wpcs: xss ok. ?>
+				-&nbsp;<?php echo wc_price($fee, array('currency' => $currency)); // wpcs: xss ok. ?>
 			</td>
 		</tr>
 
@@ -740,17 +740,17 @@ 
 	 *
 	 * @param int $order_id The ID of the order.
 	 */
-	public function display_order_payout( $order_id ) {
-		if ( apply_filters( 'wc_stripe_hide_display_order_payout', false, $order_id ) ) {
+	public function display_order_payout($order_id) {
+		if (apply_filters('wc_stripe_hide_display_order_payout', false, $order_id)) {
 			return;
 		}
 
-		$order = wc_get_order( $order_id );
+		$order = wc_get_order($order_id);
 
-		$net      = WC_Stripe_Helper::get_stripe_net( $order );
-		$currency = WC_Stripe_Helper::get_stripe_currency( $order );
+		$net      = WC_Stripe_Helper::get_stripe_net($order);
+		$currency = WC_Stripe_Helper::get_stripe_currency($order);
 
-		if ( ! $net || ! $currency ) {
+		if ( ! $net || ! $currency) {
 			return;
 		}
 
@@ -758,12 +758,12 @@ 
 
 		<tr>
 			<td class="label stripe-payout">
-				<?php echo wc_help_tip( __( 'This represents the net total that will be credited to your Stripe bank account. This may be in the currency that is set in your Stripe account.', 'woocommerce-gateway-stripe' ) ); // wpcs: xss ok. ?>
-				<?php esc_html_e( 'Stripe Payout:', 'woocommerce-gateway-stripe' ); ?>
+				<?php echo wc_help_tip(__('This represents the net total that will be credited to your Stripe bank account. This may be in the currency that is set in your Stripe account.', 'woocommerce-gateway-stripe')); // wpcs: xss ok. ?>
+				<?php esc_html_e('Stripe Payout:', 'woocommerce-gateway-stripe'); ?>
 			</td>
 			<td width="1%"></td>
 			<td class="total">
-				<?php echo wc_price( $net, array( 'currency' => $currency ) ); // wpcs: xss ok. ?>
+				<?php echo wc_price($net, array('currency' => $currency)); // wpcs: xss ok. ?>
 			</td>
 		</tr>
 
@@ -779,13 +779,13 @@ 
 	 *
 	 * @return string The localized error message.
 	 */
-	public function get_localized_error_message_from_response( $response ) {
+	public function get_localized_error_message_from_response($response) {
 		$localized_messages = WC_Stripe_Helper::get_localized_messages();
 
-		if ( 'card_error' === $response->error->type ) {
-			$localized_message = isset( $localized_messages[ $response->error->code ] ) ? $localized_messages[ $response->error->code ] : $response->error->message;
+		if ('card_error' === $response->error->type) {
+			$localized_message = isset($localized_messages[$response->error->code]) ? $localized_messages[$response->error->code] : $response->error->message;
 		} else {
-			$localized_message = isset( $localized_messages[ $response->error->type ] ) ? $localized_messages[ $response->error->type ] : $response->error->message;
+			$localized_message = isset($localized_messages[$response->error->type]) ? $localized_messages[$response->error->type] : $response->error->message;
 		}
 
 		return $localized_message;
@@ -799,12 +799,12 @@ 
 	 * @param  WC_Order $order     The order to add a note to.
 	 * @throws WC_Stripe_Exception An exception with the right message.
 	 */
-	public function throw_localized_message( $response, $order ) {
-		$localized_message = $this->get_localized_error_message_from_response( $response );
+	public function throw_localized_message($response, $order) {
+		$localized_message = $this->get_localized_error_message_from_response($response);
 
-		$order->add_order_note( $localized_message );
+		$order->add_order_note($localized_message);
 
-		throw new WC_Stripe_Exception( print_r( $response, true ), $localized_message );
+		throw new WC_Stripe_Exception(print_r($response, true), $localized_message);
 	}
 
 	/**
@@ -820,22 +820,22 @@ 
 	 * @throws WC_Stripe_Exception        If the payment is not accepted.
 	 * @return array|void
 	 */
-	public function retry_after_error( $response, $order, $retry, $force_save_source, $previous_error, $use_order_source ) {
-		if ( ! $retry ) {
-			$localized_message = __( 'Sorry, we are unable to process your payment at this time. Please retry later.', 'woocommerce-gateway-stripe' );
-			$order->add_order_note( $localized_message );
-			throw new WC_Stripe_Exception( print_r( $response, true ), $localized_message ); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.
+	public function retry_after_error($response, $order, $retry, $force_save_source, $previous_error, $use_order_source) {
+		if ( ! $retry) {
+			$localized_message = __('Sorry, we are unable to process your payment at this time. Please retry later.', 'woocommerce-gateway-stripe');
+			$order->add_order_note($localized_message);
+			throw new WC_Stripe_Exception(print_r($response, true), $localized_message); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.
 		}
 
 		// Don't do anymore retries after this.
-		if ( 5 <= $this->retry_interval ) {
-			return $this->process_payment( $order->get_id(), false, $force_save_source, $response->error, $previous_error );
+		if (5 <= $this->retry_interval) {
+			return $this->process_payment($order->get_id(), false, $force_save_source, $response->error, $previous_error);
 		}
 
-		sleep( $this->retry_interval );
+		sleep($this->retry_interval);
 		$this->retry_interval++;
 
-		return $this->process_payment( $order->get_id(), true, $force_save_source, $response->error, $previous_error, $use_order_source );
+		return $this->process_payment($order->get_id(), true, $force_save_source, $response->error, $previous_error, $use_order_source);
 	}
 
 	/**
@@ -845,35 +845,35 @@ 
 	 * @since 4.2
 	 */
 	public function prepare_order_pay_page() {
-		if ( ! is_wc_endpoint_url( 'order-pay' ) || ! isset( $_GET['wc-stripe-confirmation'] ) ) { // wpcs: csrf ok.
+		if ( ! is_wc_endpoint_url('order-pay') || ! isset($_GET['wc-stripe-confirmation'])) { // wpcs: csrf ok.
 			return;
 		}
 
 		try {
 			$this->prepare_intent_for_order_pay_page();
-		} catch ( WC_Stripe_Exception $e ) {
+		} catch (WC_Stripe_Exception $e) {
 			// Just show the full order pay page if there was a problem preparing the Payment Intent
 			return;
 		}
 
-		add_filter( 'woocommerce_checkout_show_terms', '__return_false' );
-		add_filter( 'woocommerce_pay_order_button_html', '__return_false' );
-		add_filter( 'woocommerce_available_payment_gateways', '__return_empty_array' );
-		add_filter( 'woocommerce_no_available_payment_methods_message', array( $this, 'change_no_available_methods_message' ) );
-		add_action( 'woocommerce_pay_order_after_submit', array( $this, 'render_intent_inputs' ) );
-		add_action( 'after_woocommerce_pay', array( $this, 'render_intent_inputs' ), 101 );
+		add_filter('woocommerce_checkout_show_terms', '__return_false');
+		add_filter('woocommerce_pay_order_button_html', '__return_false');
+		add_filter('woocommerce_available_payment_gateways', '__return_empty_array');
+		add_filter('woocommerce_no_available_payment_methods_message', array($this, 'change_no_available_methods_message'));
+		add_action('woocommerce_pay_order_after_submit', array($this, 'render_intent_inputs'));
+		add_action('after_woocommerce_pay', array($this, 'render_intent_inputs'), 101);
 	}
 
 	/**
 	 * Removes hooks modifying "Pay for order" page (i.e. so that later hooks can operate on available payment gateways).
 	 */
 	public function restore_order_pay_page() {
-		remove_filter( 'woocommerce_checkout_show_terms', '__return_false' );
-		remove_filter( 'woocommerce_pay_order_button_html', '__return_false' );
-		remove_filter( 'woocommerce_available_payment_gateways', '__return_empty_array' );
-		remove_filter( 'woocommerce_no_available_payment_methods_message', array( $this, 'change_no_available_methods_message' ) );
-		remove_action( 'woocommerce_pay_order_after_submit', array( $this, 'render_intent_inputs' ) );
-		remove_action( 'after_woocommerce_pay', array( $this, 'render_intent_inputs' ), 101 );
+		remove_filter('woocommerce_checkout_show_terms', '__return_false');
+		remove_filter('woocommerce_pay_order_button_html', '__return_false');
+		remove_filter('woocommerce_available_payment_gateways', '__return_empty_array');
+		remove_filter('woocommerce_no_available_payment_methods_message', array($this, 'change_no_available_methods_message'));
+		remove_action('woocommerce_pay_order_after_submit', array($this, 'render_intent_inputs'));
+		remove_action('after_woocommerce_pay', array($this, 'render_intent_inputs'), 101);
 	}
 
 	/**
@@ -884,7 +884,7 @@ 
 	 * @return string the new message.
 	 */
 	public function change_no_available_methods_message() {
-		return __( "Almost there!\n\nYour order has already been created, the only thing that still needs to be done is for you to authorize the payment with your bank.", 'woocommerce-gateway-stripe' );
+		return __("Almost there!\n\nYour order has already been created, the only thing that still needs to be done is for you to authorize the payment with your bank.", 'woocommerce-gateway-stripe');
 	}
 
 	/**
@@ -895,19 +895,19 @@ 
 	 * @throws WC_Stripe_Exception
 	 * @since 4.3
 	 */
-	public function prepare_intent_for_order_pay_page( $order = null ) {
-		if ( ! isset( $order ) || empty( $order ) ) {
-			$order = wc_get_order( absint( get_query_var( 'order-pay' ) ) );
+	public function prepare_intent_for_order_pay_page($order = null) {
+		if ( ! isset($order) || empty($order)) {
+			$order = wc_get_order(absint(get_query_var('order-pay')));
 		}
-		$intent = $this->get_intent_from_order( $order );
+		$intent = $this->get_intent_from_order($order);
 
-		if ( ! $intent ) {
-			throw new WC_Stripe_Exception( 'Intent not found', __( 'Intent not found for order #' . $order->get_id(), 'woocommerce-gateway-stripe' ) );
+		if ( ! $intent) {
+			throw new WC_Stripe_Exception('Intent not found', __('Intent not found for order #' . $order->get_id(), 'woocommerce-gateway-stripe'));
 		}
 
-		if ( 'requires_payment_method' === $intent->status && isset( $intent->last_payment_error )
-		     && 'authentication_required' === $intent->last_payment_error->code ) {
-			$level3_data = $this->get_level3_data_from_order( $order );
+		if ('requires_payment_method' === $intent->status && isset($intent->last_payment_error)
+		     && 'authentication_required' === $intent->last_payment_error->code) {
+			$level3_data = $this->get_level3_data_from_order($order);
 			$intent      = WC_Stripe_API::request_with_level3_data(
 				array(
 					'payment_method' => $intent->last_payment_error->source->id,
@@ -917,8 +917,8 @@ 
 				$order
 			);
 
-			if ( isset( $intent->error ) ) {
-				throw new WC_Stripe_Exception( print_r( $intent, true ), $intent->error->message );
+			if (isset($intent->error)) {
+				throw new WC_Stripe_Exception(print_r($intent, true), $intent->error->message);
 			}
 		}
 
@@ -933,31 +933,31 @@ 
 	 * @throws WC_Stripe_Exception
 	 * @since 4.2
 	 */
-	public function render_intent_inputs( $order = null ) {
-		if ( ! isset( $order ) || empty( $order ) ) {
-			$order = wc_get_order( absint( get_query_var( 'order-pay' ) ) );
+	public function render_intent_inputs($order = null) {
+		if ( ! isset($order) || empty($order)) {
+			$order = wc_get_order(absint(get_query_var('order-pay')));
 		}
-		if ( ! isset( $this->order_pay_intent ) ) {
-			$this->prepare_intent_for_order_pay_page( $order );
+		if ( ! isset($this->order_pay_intent)) {
+			$this->prepare_intent_for_order_pay_page($order);
 		}
 
-		$redirect_url = rawurlencode( $this->get_return_url( $order ) );
+		$redirect_url = rawurlencode($this->get_return_url($order));
 
-		if ( isset( $_GET['wc-stripe-redirect'] ) ) {
+		if (isset($_GET['wc-stripe-redirect'])) {
 			$redirect_url = $_GET['wc-stripe-redirect'];
 		}
 
 		$verification_url = add_query_arg(
 			array(
 				'order'       => $order->get_id(),
-				'nonce'       => wp_create_nonce( 'wc_stripe_confirm_pi' ),
+				'nonce'       => wp_create_nonce('wc_stripe_confirm_pi'),
 				'redirect_to' => $redirect_url,
 			),
-			WC_AJAX::get_endpoint( 'wc_stripe_verify_intent' )
+			WC_AJAX::get_endpoint('wc_stripe_verify_intent')
 		);
 
-		echo '<input type="hidden" id="stripe-intent-id" value="' . esc_attr( $this->order_pay_intent->client_secret ) . '" />';
-		echo '<input type="hidden" id="stripe-intent-return" value="' . esc_attr( $verification_url ) . '" />';
+		echo '<input type="hidden" id="stripe-intent-id" value="' . esc_attr($this->order_pay_intent->client_secret) . '" />';
+		echo '<input type="hidden" id="stripe-intent-return" value="' . esc_attr($verification_url) . '" />';
 	}
 
 	/**
@@ -967,11 +967,11 @@ 
 	 * @param WC_Payment_Token $token Payment Token.
 	 * @return string                 Generated payment method HTML
 	 */
-	public function get_saved_payment_method_option_html( $token ) {
-		$html          = parent::get_saved_payment_method_option_html( $token );
+	public function get_saved_payment_method_option_html($token) {
+		$html          = parent::get_saved_payment_method_option_html($token);
 		$error_wrapper = '<div class="stripe-source-errors" role="alert"></div>';
 
-		return preg_replace( '~</(\w+)>\s*$~', "$error_wrapper</$1>", $html );
+		return preg_replace('~</(\w+)>\s*$~', "$error_wrapper</$1>", $html);
 	}
 
 	/**
@@ -981,18 +981,18 @@ 
 	 * @since 4.2.0
 	 * @param int $order_id The ID that will be used for the thank you page.
 	 */
-	public function check_intent_status_on_order_page( $order_id ) {
-		if ( empty( $order_id ) || absint( $order_id ) <= 0 ) {
+	public function check_intent_status_on_order_page($order_id) {
+		if (empty($order_id) || absint($order_id) <= 0) {
 			return;
 		}
 
-		$order = wc_get_order( absint( $order_id ) );
+		$order = wc_get_order(absint($order_id));
 
-		if ( ! $order ) {
+		if ( ! $order) {
 			return;
 		}
 
-		$this->verify_intent_after_checkout( $order );
+		$this->verify_intent_after_checkout($order);
 	}
 
 	/**
@@ -1006,8 +1006,8 @@ 
 	 * @param int   $order_id The ID of the order which is being paid for.
 	 * @return array
 	 */
-	public function modify_successful_payment_result( $result, $order_id ) {
-		if ( ! isset( $result['payment_intent_secret'] ) && ! isset( $result['setup_intent_secret'] ) ) {
+	public function modify_successful_payment_result($result, $order_id) {
+		if ( ! isset($result['payment_intent_secret']) && ! isset($result['setup_intent_secret'])) {
 			// Only redirects with intents need to be modified.
 			return $result;
 		}
@@ -1016,16 +1016,16 @@ 
 		$verification_url = add_query_arg(
 			array(
 				'order'       => $order_id,
-				'nonce'       => wp_create_nonce( 'wc_stripe_confirm_pi' ),
-				'redirect_to' => rawurlencode( $result['redirect'] ),
+				'nonce'       => wp_create_nonce('wc_stripe_confirm_pi'),
+				'redirect_to' => rawurlencode($result['redirect']),
 			),
-			WC_AJAX::get_endpoint( 'wc_stripe_verify_intent' )
+			WC_AJAX::get_endpoint('wc_stripe_verify_intent')
 		);
 
-		if ( isset( $result['payment_intent_secret'] ) ) {
-			$redirect = sprintf( '#confirm-pi-%s:%s', $result['payment_intent_secret'], rawurlencode( $verification_url ) );
-		} else if ( isset( $result['setup_intent_secret'] ) ) {
-			$redirect = sprintf( '#confirm-si-%s:%s', $result['setup_intent_secret'], rawurlencode( $verification_url ) );
+		if (isset($result['payment_intent_secret'])) {
+			$redirect = sprintf('#confirm-pi-%s:%s', $result['payment_intent_secret'], rawurlencode($verification_url));
+		} else if (isset($result['setup_intent_secret'])) {
+			$redirect = sprintf('#confirm-si-%s:%s', $result['setup_intent_secret'], rawurlencode($verification_url));
 		}
 
 		return array(
@@ -1037,8 +1037,8 @@ 
 	/**
 	 * Proceed with current request using new login session (to ensure consistent nonce).
 	 */
-	public function set_cookie_on_current_request( $cookie ) {
-		$_COOKIE[ LOGGED_IN_COOKIE ] = $cookie;
+	public function set_cookie_on_current_request($cookie) {
+		$_COOKIE[LOGGED_IN_COOKIE] = $cookie;
 	}
 
 	/**
@@ -1048,48 +1048,48 @@ 
 	 * @since 4.2.0
 	 * @param WC_Order $order The order which is in a transitional state.
 	 */
-	public function verify_intent_after_checkout( $order ) {
+	public function verify_intent_after_checkout($order) {
 		$payment_method = $order->get_payment_method();
-		if ( $payment_method !== $this->id ) {
+		if ($payment_method !== $this->id) {
 			// If this is not the payment method, an intent would not be available.
 			return;
 		}
 
-		$intent = $this->get_intent_from_order( $order );
-		if ( ! $intent ) {
+		$intent = $this->get_intent_from_order($order);
+		if ( ! $intent) {
 			// No intent, redirect to the order received page for further actions.
 			return;
 		}
 
 		// A webhook might have modified or locked the order while the intent was retreived. This ensures we are reading the right status.
-		clean_post_cache( $order->get_id() );
-		$order = wc_get_order( $order->get_id() );
+		clean_post_cache($order->get_id());
+		$order = wc_get_order($order->get_id());
 
-		if ( ! $order->has_status( array( 'pending', 'failed' ) ) ) {
+		if ( ! $order->has_status(array('pending', 'failed'))) {
 			// If payment has already been completed, this function is redundant.
 			return;
 		}
 
-		if ( $this->lock_order_payment( $order, $intent ) ) {
+		if ($this->lock_order_payment($order, $intent)) {
 			return;
 		}
 
-		if ( 'setup_intent' === $intent->object && 'succeeded' === $intent->status ) {
+		if ('setup_intent' === $intent->object && 'succeeded' === $intent->status) {
 			WC()->cart->empty_cart();
-			if ( WC_Stripe_Helper::is_pre_orders_exists() && WC_Pre_Orders_Order::order_contains_pre_order( $order ) ) {
-				WC_Pre_Orders_Order::mark_order_as_pre_ordered( $order );
+			if (WC_Stripe_Helper::is_pre_orders_exists() && WC_Pre_Orders_Order::order_contains_pre_order($order)) {
+				WC_Pre_Orders_Order::mark_order_as_pre_ordered($order);
 			} else {
 				$order->payment_complete();
 			}
-		} else if ( 'succeeded' === $intent->status || 'requires_capture' === $intent->status ) {
+		} else if ('succeeded' === $intent->status || 'requires_capture' === $intent->status) {
 			// Proceed with the payment completion.
-			$this->handle_intent_verification_success( $order, $intent );
-		} else if ( 'requires_payment_method' === $intent->status ) {
+			$this->handle_intent_verification_success($order, $intent);
+		} else if ('requires_payment_method' === $intent->status) {
 			// `requires_payment_method` means that SCA got denied for the current payment method.
-			$this->handle_intent_verification_failure( $order, $intent );
+			$this->handle_intent_verification_failure($order, $intent);
 		}
 
-		$this->unlock_order_payment( $order );
+		$this->unlock_order_payment($order);
 	}
 
 	/**
@@ -1099,8 +1099,8 @@ 
 	 * @param WC_Order $order The order whose verification succeeded.
 	 * @param stdClass $intent The Payment Intent object.
 	 */
-	protected function handle_intent_verification_success( $order, $intent ) {
-		$this->process_response( end( $intent->charges->data ), $order );
+	protected function handle_intent_verification_success($order, $intent) {
+		$this->process_response(end($intent->charges->data), $order);
 	}
 
 	/**
@@ -1110,8 +1110,8 @@ 
 	 * @param WC_Order $order The order whose verification failed.
 	 * @param stdClass $intent The Payment Intent object.
 	 */
-	protected function handle_intent_verification_failure( $order, $intent ) {
-		$this->failed_sca_auth( $order, $intent );
+	protected function handle_intent_verification_failure($order, $intent) {
+		$this->failed_sca_auth($order, $intent);
 	}
 
 	/**
@@ -1121,18 +1121,18 @@ 
 	 * @param WC_Order $order  The order which should be checked.
 	 * @param object   $intent The intent, associated with the order.
 	 */
-	public function failed_sca_auth( $order, $intent ) {
+	public function failed_sca_auth($order, $intent) {
 		// If the order has already failed, do not repeat the same message.
-		if ( $order->has_status( 'failed' ) ) {
+		if ($order->has_status('failed')) {
 			return;
 		}
 
 		// Load the right message and update the status.
-		$status_message = isset( $intent->last_payment_error )
+		$status_message = isset($intent->last_payment_error)
 			/* translators: 1) The error message that was received from Stripe. */
-			? sprintf( __( 'Stripe SCA authentication failed. Reason: %s', 'woocommerce-gateway-stripe' ), $intent->last_payment_error->message )
-			: __( 'Stripe SCA authentication failed.', 'woocommerce-gateway-stripe' );
-		$order->update_status( 'failed', $status_message );
+			? sprintf(__('Stripe SCA authentication failed. Reason: %s', 'woocommerce-gateway-stripe'), $intent->last_payment_error->message)
+			: __('Stripe SCA authentication failed.', 'woocommerce-gateway-stripe');
+		$order->update_status('failed', $status_message);
 	}
 
 	/**
@@ -1143,10 +1143,10 @@ 
 	 *
 	 * @return string Checkout URL for the given order.
 	 */
-	public function get_checkout_payment_url( $pay_url, $order ) {
+	public function get_checkout_payment_url($pay_url, $order) {
 		global $wp;
-		if ( isset( $_GET['wc-stripe-confirmation'] ) && isset( $wp->query_vars['order-pay'] ) && $wp->query_vars['order-pay'] == $order->get_id() ) {
-			$pay_url = add_query_arg( 'wc-stripe-confirmation', 1, $pay_url );
+		if (isset($_GET['wc-stripe-confirmation']) && isset($wp->query_vars['order-pay']) && $wp->query_vars['order-pay'] == $order->get_id()) {
+			$pay_url = add_query_arg('wc-stripe-confirmation', 1, $pay_url);
 		}
 		return $pay_url;
 	}
@@ -1156,63 +1156,63 @@ 
 	 */
 	public function process_admin_options() {
 		// Load all old values before the new settings get saved.
-		$old_publishable_key      = $this->get_option( 'publishable_key' );
-		$old_secret_key           = $this->get_option( 'secret_key' );
-		$old_test_publishable_key = $this->get_option( 'test_publishable_key' );
-		$old_test_secret_key      = $this->get_option( 'test_secret_key' );
+		$old_publishable_key      = $this->get_option('publishable_key');
+		$old_secret_key           = $this->get_option('secret_key');
+		$old_test_publishable_key = $this->get_option('test_publishable_key');
+		$old_test_secret_key      = $this->get_option('test_secret_key');
 
 		parent::process_admin_options();
 
 		// Load all old values after the new settings have been saved.
-		$new_publishable_key      = $this->get_option( 'publishable_key' );
-		$new_secret_key           = $this->get_option( 'secret_key' );
-		$new_test_publishable_key = $this->get_option( 'test_publishable_key' );
-		$new_test_secret_key      = $this->get_option( 'test_secret_key' );
+		$new_publishable_key      = $this->get_option('publishable_key');
+		$new_secret_key           = $this->get_option('secret_key');
+		$new_test_publishable_key = $this->get_option('test_publishable_key');
+		$new_test_secret_key      = $this->get_option('test_secret_key');
 
 		// Checks whether a value has transitioned from a non-empty value to a new one.
-		$has_changed = function( $old_value, $new_value ) {
-			return ! empty( $old_value ) && ( $old_value !== $new_value );
+		$has_changed = function($old_value, $new_value) {
+			return ! empty($old_value) && ($old_value !== $new_value);
 		};
 
 		// Look for updates.
 		if (
-			$has_changed( $old_publishable_key, $new_publishable_key )
-			|| $has_changed( $old_secret_key, $new_secret_key )
-			|| $has_changed( $old_test_publishable_key, $new_test_publishable_key )
-			|| $has_changed( $old_test_secret_key, $new_test_secret_key )
+			$has_changed($old_publishable_key, $new_publishable_key)
+			|| $has_changed($old_secret_key, $new_secret_key)
+			|| $has_changed($old_test_publishable_key, $new_test_publishable_key)
+			|| $has_changed($old_test_secret_key, $new_test_secret_key)
 		) {
-			update_option( 'wc_stripe_show_changed_keys_notice', 'yes' );
+			update_option('wc_stripe_show_changed_keys_notice', 'yes');
 		}
 	}
 
-	public function validate_publishable_key_field( $key, $value ) {
-		$value = $this->validate_text_field( $key, $value );
-		if ( ! empty( $value ) && ! preg_match( '/^pk_live_/', $value ) ) {
-			throw new Exception( __( 'The "Live Publishable Key" should start with "pk_live", enter the correct key.', 'woocommerce-gateway-stripe' ) );
+	public function validate_publishable_key_field($key, $value) {
+		$value = $this->validate_text_field($key, $value);
+		if ( ! empty($value) && ! preg_match('/^pk_live_/', $value)) {
+			throw new Exception(__('The "Live Publishable Key" should start with "pk_live", enter the correct key.', 'woocommerce-gateway-stripe'));
 		}
 		return $value;
 	}
 
-	public function validate_secret_key_field( $key, $value ) {
-		$value = $this->validate_text_field( $key, $value );
-		if ( ! empty( $value ) && ! preg_match( '/^[rs]k_live_/', $value ) ) {
-			throw new Exception( __( 'The "Live Secret Key" should start with "sk_live" or "rk_live", enter the correct key.', 'woocommerce-gateway-stripe' ) );
+	public function validate_secret_key_field($key, $value) {
+		$value = $this->validate_text_field($key, $value);
+		if ( ! empty($value) && ! preg_match('/^[rs]k_live_/', $value)) {
+			throw new Exception(__('The "Live Secret Key" should start with "sk_live" or "rk_live", enter the correct key.', 'woocommerce-gateway-stripe'));
 		}
 		return $value;
 	}
 
-	public function validate_test_publishable_key_field( $key, $value ) {
-		$value = $this->validate_text_field( $key, $value );
-		if ( ! empty( $value ) && ! preg_match( '/^pk_test_/', $value ) ) {
-			throw new Exception( __( 'The "Test Publishable Key" should start with "pk_test", enter the correct key.', 'woocommerce-gateway-stripe' ) );
+	public function validate_test_publishable_key_field($key, $value) {
+		$value = $this->validate_text_field($key, $value);
+		if ( ! empty($value) && ! preg_match('/^pk_test_/', $value)) {
+			throw new Exception(__('The "Test Publishable Key" should start with "pk_test", enter the correct key.', 'woocommerce-gateway-stripe'));
 		}
 		return $value;
 	}
 
-	public function validate_test_secret_key_field( $key, $value ) {
-		$value = $this->validate_text_field( $key, $value );
-		if ( ! empty( $value ) && ! preg_match( '/^[rs]k_test_/', $value ) ) {
-			throw new Exception( __( 'The "Test Secret Key" should start with "sk_test" or "rk_test", enter the correct key.', 'woocommerce-gateway-stripe' ) );
+	public function validate_test_secret_key_field($key, $value) {
+		$value = $this->validate_text_field($key, $value);
+		if ( ! empty($value) && ! preg_match('/^[rs]k_test_/', $value)) {
+			throw new Exception(__('The "Test Secret Key" should start with "sk_test" or "rk_test", enter the correct key.', 'woocommerce-gateway-stripe'));
 		}
 		return $value;
 	}