woocommerce / woocommerce-gateway-stripe

includes/class-wc-gateway-stripe.php

Spacing +266 added lines, -266 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit;
 }
 
@@ -113,9 +113,9 @@ 
 	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 */
-		$this->method_description   = sprintf( __( 'Stripe works by adding payment fields on the checkout and then sending the details to Stripe for verification. <a href="%1$s" target="_blank">Sign up</a> for a Stripe account, and <a href="%2$s" target="_blank">get your Stripe account keys</a>.', 'woocommerce-gateway-stripe' ), 'https://dashboard.stripe.com/register', 'https://dashboard.stripe.com/account/apikeys' );
+		$this->method_description   = sprintf(__('Stripe works by adding payment fields on the checkout and then sending the details to Stripe for verification. <a href="%1$s" target="_blank">Sign up</a> for a Stripe account, and <a href="%2$s" target="_blank">get your Stripe account keys</a>.', 'woocommerce-gateway-stripe'), 'https://dashboard.stripe.com/register', 'https://dashboard.stripe.com/account/apikeys');
 		$this->has_fields           = true;
 		$this->supports             = array(
 			'products',
@@ -142,42 +142,42 @@ 
 		$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->three_d_secure              = 'yes' === $this->get_option( 'three_d_secure' );
-		$this->stripe_checkout             = 'yes' === $this->get_option( 'stripe_checkout' );
-		$this->stripe_checkout_image       = $this->get_option( 'stripe_checkout_image', '' );
-		$this->stripe_checkout_description = $this->get_option( 'stripe_checkout_description' );
-		$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' );
-
-		if ( $this->stripe_checkout ) {
-			$this->order_button_text = __( 'Continue to payment', 'woocommerce-gateway-stripe' );
-		}
-
-		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->three_d_secure              = 'yes' === $this->get_option('three_d_secure');
+		$this->stripe_checkout             = 'yes' === $this->get_option('stripe_checkout');
+		$this->stripe_checkout_image       = $this->get_option('stripe_checkout_image', '');
+		$this->stripe_checkout_description = $this->get_option('stripe_checkout_description');
+		$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' === $this->get_option('payment_request', 'yes');
+
+		if ($this->stripe_checkout) {
+			$this->order_button_text = __('Continue to payment', 'woocommerce-gateway-stripe');
+		}
+
+		WC_Stripe_API::set_secret_key($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' ), 10, 1 );
-		add_action( 'woocommerce_admin_order_totals_after_total', array( $this, 'display_order_payout' ), 20, 1 );
-		add_action( 'woocommerce_customer_save_address', array( $this, 'show_update_card_notice' ), 10, 2 );
-		add_action( 'woocommerce_receipt_stripe', array( $this, 'stripe_checkout_receipt_page' ) );
-		add_action( 'woocommerce_api_' . strtolower( get_class( $this ) ), array( $this, 'stripe_checkout_return_handler' ) );
-
-		if ( WC_Stripe_Helper::is_pre_orders_exists() ) {
+		add_action('wp_enqueue_scripts', array($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($this, 'display_order_fee'), 10, 1);
+		add_action('woocommerce_admin_order_totals_after_total', array($this, 'display_order_payout'), 20, 1);
+		add_action('woocommerce_customer_save_address', array($this, 'show_update_card_notice'), 10, 2);
+		add_action('woocommerce_receipt_stripe', array($this, 'stripe_checkout_receipt_page'));
+		add_action('woocommerce_api_' . strtolower(get_class($this)), array($this, 'stripe_checkout_return_handler'));
+
+		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'));
 		}
 	}
 
@@ -188,7 +188,7 @@ 
 	 * @return bool
 	 */
 	public function are_keys_set() {
-		if ( empty( $this->secret_key ) || empty( $this->publishable_key ) ) {
+		if (empty($this->secret_key) || empty($this->publishable_key)) {
 			return false;
 		}
 
@@ -201,7 +201,7 @@ 
 	 * @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;
 		}
 
@@ -215,13 +215,13 @@ 
 	 * @param int $user_id
 	 * @param array $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' !== $load_address ) {
+	public function show_update_card_notice($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');
 	}
 
 	/**
@@ -240,20 +240,20 @@ 
 		$icons_str .= $icons['amex'];
 		$icons_str .= $icons['mastercard'];
 
-		if ( 'USD' === get_woocommerce_currency() ) {
+		if ('USD' === get_woocommerce_currency()) {
 			$icons_str .= $icons['discover'];
 			$icons_str .= $icons['jcb'];
 			$icons_str .= $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');
 	}
 
 	/**
@@ -261,7 +261,7 @@ 
 	 */
 	public function payment_fields() {
 		$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() ? $this->get_description() : '';
@@ -269,26 +269,26 @@ 
 		$lastname             = '';
 
 		// If paying from order, we need to get total from order not cart.
-		if ( isset( $_GET['pay_for_order'] ) && ! empty( $_GET['key'] ) ) {
-			$order      = wc_get_order( wc_get_order_id_by_order_key( wc_clean( $_GET['key'] ) ) );
+		if (isset($_GET['pay_for_order']) && ! empty($_GET['key'])) {
+			$order      = wc_get_order(wc_get_order_id_by_order_key(wc_clean($_GET['key'])));
 			$total      = $order->get_total();
 			$user_email = WC_Stripe_Helper::is_pre_30() ? $order->billing_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() ) {
-			$pay_button_text = __( 'Add Card', 'woocommerce-gateway-stripe' );
+		if (is_add_payment_method_page()) {
+			$pay_button_text = __('Add Card', 'woocommerce-gateway-stripe');
 			$total           = '';
 			$firstname       = $user->user_firstname;
 			$lastname        = $user->user_lastname;
 
-		} elseif ( function_exists( 'wcs_order_contains_subscription' ) && isset( $_GET['change_payment_method'] ) ) {
-			$pay_button_text = __( 'Change Payment Method', 'woocommerce-gateway-stripe' );
-			$total        = '';
+		} elseif (function_exists('wcs_order_contains_subscription') && isset($_GET['change_payment_method'])) {
+			$pay_button_text = __('Change Payment Method', 'woocommerce-gateway-stripe');
+			$total = '';
 		} else {
 			$pay_button_text = '';
 		}
@@ -297,45 +297,45 @@ 
 
 		echo '<div
 			id="stripe-payment-data"
-			data-panel-label="' . esc_attr( $pay_button_text ) . '"
-			data-description="' . esc_attr( strip_tags( $this->stripe_checkout_description ) ) . '"
-			data-email="' . esc_attr( $user_email ) . '"
-			data-verify-zip="' . esc_attr( apply_filters( 'wc_stripe_checkout_verify_zip', false ) ? 'true' : 'false' ) . '"
-			data-billing-address="' . esc_attr( apply_filters( 'wc_stripe_checkout_require_billing_address', false ) ? 'true' : 'false' ) . '"
-			data-shipping-address="' . esc_attr( apply_filters( 'wc_stripe_checkout_require_shipping_address', false ) ? 'true' : 'false' ) . '" 
-			data-amount="' . esc_attr( WC_Stripe_Helper::get_stripe_amount( $total ) ) . '"
-			data-name="' . esc_attr( $this->statement_descriptor ) . '"
-			data-full-name="' . esc_attr( $firstname . ' ' . $lastname ) . '"
-			data-currency="' . esc_attr( strtolower( get_woocommerce_currency() ) ) . '"
-			data-image="' . esc_attr( $this->stripe_checkout_image ) . '"
-			data-locale="' . esc_attr( apply_filters( 'wc_stripe_checkout_locale', $this->get_locale() ) ) . '"
-			data-three-d-secure="' . esc_attr( $this->three_d_secure ? 'true' : 'false' ) . '"
-			data-allow-remember-me="' . esc_attr( apply_filters( 'wc_stripe_allow_remember_me', true ) ? 'true' : 'false' ) . '">';
-
-		if ( $description ) {
-			if ( $this->testmode ) {
+			data-panel-label="' . esc_attr($pay_button_text) . '"
+			data-description="' . esc_attr(strip_tags($this->stripe_checkout_description)) . '"
+			data-email="' . esc_attr($user_email) . '"
+			data-verify-zip="' . esc_attr(apply_filters('wc_stripe_checkout_verify_zip', false) ? 'true' : 'false') . '"
+			data-billing-address="' . esc_attr(apply_filters('wc_stripe_checkout_require_billing_address', false) ? 'true' : 'false') . '"
+			data-shipping-address="' . esc_attr(apply_filters('wc_stripe_checkout_require_shipping_address', false) ? 'true' : 'false') . '" 
+			data-amount="' . esc_attr(WC_Stripe_Helper::get_stripe_amount($total)) . '"
+			data-name="' . esc_attr($this->statement_descriptor) . '"
+			data-full-name="' . esc_attr($firstname . ' ' . $lastname) . '"
+			data-currency="' . esc_attr(strtolower(get_woocommerce_currency())) . '"
+			data-image="' . esc_attr($this->stripe_checkout_image) . '"
+			data-locale="' . esc_attr(apply_filters('wc_stripe_checkout_locale', $this->get_locale())) . '"
+			data-three-d-secure="' . esc_attr($this->three_d_secure ? 'true' : 'false') . '"
+			data-allow-remember-me="' . esc_attr(apply_filters('wc_stripe_allow_remember_me', true) ? 'true' : 'false') . '">';
+
+		if ($description) {
+			if ($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  = trim( $description );
+				$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);
 			}
 
-			echo apply_filters( 'wc_stripe_description', wpautop( wp_kses_post( $description ) ), $this->id );
+			echo apply_filters('wc_stripe_description', wpautop(wp_kses_post($description)), $this->id);
 		}
 
-		if ( $display_tokenization ) {
+		if ($display_tokenization) {
 			$this->tokenization_script();
 			$this->saved_payment_methods();
 		}
 
-		if ( ! $this->stripe_checkout ) {
+		if ( ! $this->stripe_checkout) {
 			$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'] ) ) {
+		if (apply_filters('wc_stripe_display_save_payment_method_checkbox', $display_tokenization) && ! is_add_payment_method_page() && ! isset($_GET['change_payment_method'])) {
 
-			if ( ! $this->stripe_checkout ) {
+			if ( ! $this->stripe_checkout) {
 				$this->save_payment_method_checkbox();
-			} elseif ( $this->stripe_checkout && isset( $_GET['pay_for_order'] ) && ! empty( $_GET['key'] ) ) {
+			} elseif ($this->stripe_checkout && isset($_GET['pay_for_order']) && ! empty($_GET['key'])) {
 				$this->save_payment_method_checkbox();
 			}
 		}
@@ -353,12 +353,12 @@ 
 	 */
 	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">
@@ -366,7 +366,7 @@ 
 				</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. -->
@@ -377,7 +377,7 @@ 
 				</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. -->
@@ -385,7 +385,7 @@ 
 				</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>
@@ -395,7 +395,7 @@ 
 
 			<!-- Used to display form errors -->
 			<div class="stripe-source-errors" role="alert"></div>
-			<?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
@@ -408,13 +408,13 @@ 
 	 * @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);
 	}
 
 	/**
@@ -426,59 +426,59 @@ 
 	 * @version 4.0.0
 	 */
 	public function payment_scripts() {
-		if ( ! is_cart() && ! is_checkout() && ! isset( $_GET['pay_for_order'] ) && ! is_add_payment_method_page() && ! isset( $_GET['change_payment_method'] ) ) {
+		if ( ! is_cart() && ! is_checkout() && ! isset($_GET['pay_for_order']) && ! is_add_payment_method_page() && ! isset($_GET['change_payment_method'])) {
 			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.');
 		}
 
 		$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');
 
-		if ( 'storefront' === $current_theme->get_template() ) {
-			wp_register_style( 'stripe_storefront_styles', plugins_url( 'assets/css/stripe-storefront-styles.css', WC_STRIPE_MAIN_FILE ), array(), WC_STRIPE_VERSION );
-			wp_enqueue_style( 'stripe_storefront_styles' );
+		if ('storefront' === $current_theme->get_template()) {
+			wp_register_style('stripe_storefront_styles', plugins_url('assets/css/stripe-storefront-styles.css', WC_STRIPE_MAIN_FILE), array(), WC_STRIPE_VERSION);
+			wp_enqueue_style('stripe_storefront_styles');
 		}
 
-		if ( 'twentyseventeen' === $current_theme->get_template() ) {
-			wp_register_style( 'stripe_twentyseventeen_styles', plugins_url( 'assets/css/stripe-twentyseventeen-styles.css', WC_STRIPE_MAIN_FILE ), array(), WC_STRIPE_VERSION );
-			wp_enqueue_style( 'stripe_twentyseventeen_styles' );
+		if ('twentyseventeen' === $current_theme->get_template()) {
+			wp_register_style('stripe_twentyseventeen_styles', plugins_url('assets/css/stripe-twentyseventeen-styles.css', WC_STRIPE_MAIN_FILE), array(), WC_STRIPE_VERSION);
+			wp_enqueue_style('stripe_twentyseventeen_styles');
 		}
 
-		wp_register_script( 'stripe_checkout', 'https://checkout.stripe.com/checkout.js', '', 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 );
+		wp_register_script('stripe_checkout', 'https://checkout.stripe.com/checkout.js', '', 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'] ) {
-			$order_id = wc_get_order_id_by_order_key( urldecode( $_GET['key'] ) );
-			$order    = wc_get_order( $order_id );
+		if (isset($_GET['pay_for_order']) && 'true' === $_GET['pay_for_order']) {
+			$order_id = wc_get_order_id_by_order_key(urldecode($_GET['key']));
+			$order    = wc_get_order($order_id);
 
-			if ( is_a( $order, 'WC_Order' ) ) {
+			if (is_a($order, 'WC_Order')) {
 				$stripe_params['billing_first_name'] = WC_Stripe_Helper::is_pre_30() ? $order->billing_first_name : $order->get_billing_first_name();
 				$stripe_params['billing_last_name']  = WC_Stripe_Helper::is_pre_30() ? $order->billing_last_name : $order->get_billing_last_name();
 				$stripe_params['billing_address_1']  = WC_Stripe_Helper::is_pre_30() ? $order->billing_address_1 : $order->get_billing_address_1();
@@ -490,38 +490,38 @@ 
 			}
 		}
 
-		$stripe_params['no_prepaid_card_msg']                     = __( 'Sorry, we\'re not accepting prepaid cards at this time. Your credit card has not been charge. 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['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 charge. 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['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['stripe_checkout_require_billing_address'] = apply_filters( 'wc_stripe_checkout_require_billing_address', false ) ? 'yes' : 'no';
-		$stripe_params['is_checkout']                             = ( is_checkout() && empty( $_GET['pay_for_order'] ) ) ? 'yes' : 'no';
+		$stripe_params['stripe_checkout_require_billing_address'] = apply_filters('wc_stripe_checkout_require_billing_address', false) ? 'yes' : 'no';
+		$stripe_params['is_checkout']                             = (is_checkout() && empty($_GET['pay_for_order'])) ? 'yes' : 'no';
 		$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['is_stripe_checkout']                      = $this->stripe_checkout ? 'yes' : 'no';
-		$stripe_params['is_change_payment_page']                  = isset( $_GET['change_payment_method'] ) ? 'yes' : 'no';
-		$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 );
+		$stripe_params['is_change_payment_page']                  = isset($_GET['change_payment_method']) ? 'yes' : 'no';
+		$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_checkout', '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));
+		wp_localize_script('woocommerce_stripe_checkout', 'wc_stripe_params', apply_filters('wc_stripe_params', $stripe_params));
 
-		if ( $this->stripe_checkout ) {
-			wp_enqueue_script( 'stripe_checkout' );
+		if ($this->stripe_checkout) {
+			wp_enqueue_script('stripe_checkout');
 		}
 
 		$this->tokenization_script();
-		wp_enqueue_script( 'woocommerce_stripe' );
+		wp_enqueue_script('woocommerce_stripe');
 	}
 
 	/**
@@ -529,70 +529,70 @@ 
 	 *
 	 * @since 4.1.0
 	 */
-	public function stripe_checkout_receipt_page( $order_id ) {
-		if ( ! $this->stripe_checkout ) {
+	public function stripe_checkout_receipt_page($order_id) {
+		if ( ! $this->stripe_checkout) {
 			return;
 		}
 
 		$user                 = wp_get_current_user();
 		$total                = WC()->cart->total;
 		$user_email           = '';
-		$display_tokenization = $this->supports( 'tokenization' ) && $this->saved_cards;
+		$display_tokenization = $this->supports('tokenization') && $this->saved_cards;
 
 		// If paying from order, we need to get total from order not cart.
-		if ( ! empty( $_GET['key'] ) ) {
-			$order      = wc_get_order( wc_get_order_id_by_order_key( wc_clean( $_GET['key'] ) ) );
+		if ( ! empty($_GET['key'])) {
+			$order      = wc_get_order(wc_get_order_id_by_order_key(wc_clean($_GET['key'])));
 			$total      = $order->get_total();
 			$user_email = WC_Stripe_Helper::is_pre_30() ? $order->billing_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;
 			}
 		}
 
 		ob_start();
 
-		do_action( 'wc_stripe_checkout_receipt_page_before_form' );
+		do_action('wc_stripe_checkout_receipt_page_before_form');
 
-		echo '<form method="post" class="woocommerce-checkout" action="' . WC()->api_request_url( get_class( $this ) ) . '">';
+		echo '<form method="post" class="woocommerce-checkout" action="' . WC()->api_request_url(get_class($this)) . '">';
 		echo '<div
 			id="stripe-payment-data"
-			data-panel-label="' . esc_attr( apply_filters( 'wc_stripe_checkout_label', '' ) ) . '"
-			data-description="' . esc_attr( strip_tags( $this->stripe_checkout_description ) ) . '"
-			data-email="' . esc_attr( $user_email ) . '"
-			data-verify-zip="' . esc_attr( apply_filters( 'wc_stripe_checkout_verify_zip', false ) ? 'true' : 'false' ) . '"
-			data-billing-address="' . esc_attr( apply_filters( 'wc_stripe_checkout_require_billing_address', false ) ? 'true' : 'false' ) . '"
-			data-shipping-address="' . esc_attr( apply_filters( 'wc_stripe_checkout_require_shipping_address', false ) ? 'true' : 'false' ) . '" 
-			data-amount="' . esc_attr( WC_Stripe_Helper::get_stripe_amount( $total ) ) . '"
-			data-name="' . esc_attr( $this->statement_descriptor ) . '"
-			data-currency="' . esc_attr( strtolower( get_woocommerce_currency() ) ) . '"
-			data-image="' . esc_attr( $this->stripe_checkout_image ) . '"
-			data-locale="' . esc_attr( apply_filters( 'wc_stripe_checkout_locale', $this->get_locale() ) ) . '"
-			data-three-d-secure="' . esc_attr( $this->three_d_secure ? 'true' : 'false' ) . '"
-			data-allow-remember-me="' . esc_attr( apply_filters( 'wc_stripe_allow_remember_me', true ) ? 'true' : 'false' ) . '">';
-		echo '<input type="hidden" name="order_id" value="' . esc_attr( $order_id ) . '" />';
+			data-panel-label="' . esc_attr(apply_filters('wc_stripe_checkout_label', '')) . '"
+			data-description="' . esc_attr(strip_tags($this->stripe_checkout_description)) . '"
+			data-email="' . esc_attr($user_email) . '"
+			data-verify-zip="' . esc_attr(apply_filters('wc_stripe_checkout_verify_zip', false) ? 'true' : 'false') . '"
+			data-billing-address="' . esc_attr(apply_filters('wc_stripe_checkout_require_billing_address', false) ? 'true' : 'false') . '"
+			data-shipping-address="' . esc_attr(apply_filters('wc_stripe_checkout_require_shipping_address', false) ? 'true' : 'false') . '" 
+			data-amount="' . esc_attr(WC_Stripe_Helper::get_stripe_amount($total)) . '"
+			data-name="' . esc_attr($this->statement_descriptor) . '"
+			data-currency="' . esc_attr(strtolower(get_woocommerce_currency())) . '"
+			data-image="' . esc_attr($this->stripe_checkout_image) . '"
+			data-locale="' . esc_attr(apply_filters('wc_stripe_checkout_locale', $this->get_locale())) . '"
+			data-three-d-secure="' . esc_attr($this->three_d_secure ? 'true' : 'false') . '"
+			data-allow-remember-me="' . esc_attr(apply_filters('wc_stripe_allow_remember_me', true) ? 'true' : 'false') . '">';
+		echo '<input type="hidden" name="order_id" value="' . esc_attr($order_id) . '" />';
 		echo '<input type="hidden" name="stripe_checkout_order" value="yes" />';
 
 		if (
-			apply_filters( 'wc_stripe_display_save_payment_method_checkbox', $display_tokenization ) &&
-			( ! function_exists( 'wcs_order_contains_subscription' ) || ( function_exists( 'wcs_order_contains_subscription' ) && ! WC_Subscriptions_Cart::cart_contains_subscription() ) ) &&
-			( ! WC_Stripe_Helper::is_pre_orders_exists() || ( WC_Stripe_Helper::is_pre_orders_exists() && ! $this->pre_orders->is_pre_order( $order_id ) ) )
+			apply_filters('wc_stripe_display_save_payment_method_checkbox', $display_tokenization) &&
+			( ! function_exists('wcs_order_contains_subscription') || (function_exists('wcs_order_contains_subscription') && ! WC_Subscriptions_Cart::cart_contains_subscription())) &&
+			( ! WC_Stripe_Helper::is_pre_orders_exists() || (WC_Stripe_Helper::is_pre_orders_exists() && ! $this->pre_orders->is_pre_order($order_id)))
 		) {
 			$this->save_payment_method_checkbox();
 		}
 
-		wp_nonce_field( 'stripe-checkout-process', 'stripe_checkout_process_nonce' );
+		wp_nonce_field('stripe-checkout-process', 'stripe_checkout_process_nonce');
 
-		do_action( 'wc_stripe_checkout_receipt_page_before_form_submit' );
+		do_action('wc_stripe_checkout_receipt_page_before_form_submit');
 
-		echo '<button type="submit" class="wc-stripe-checkout-button">' . __( 'Place Order', 'woocommerce-gateway-stripe' ) . '</button>';
+		echo '<button type="submit" class="wc-stripe-checkout-button">' . __('Place Order', 'woocommerce-gateway-stripe') . '</button>';
 
-		do_action( 'wc_stripe_checkout_receipt_page_after_form_submit' );
+		do_action('wc_stripe_checkout_receipt_page_after_form_submit');
 
 		echo '</form>';
 
-		do_action( 'wc_stripe_checkout_receipt_page_after_form' );
+		do_action('wc_stripe_checkout_receipt_page_after_form');
 
 		echo '</div>';
 
@@ -605,32 +605,32 @@ 
 	 * @since 4.1.0
 	 */
 	public function stripe_checkout_return_handler() {
-		if ( ! $this->stripe_checkout ) {
+		if ( ! $this->stripe_checkout) {
 			return;
 		}
 
-		if ( ! wp_verify_nonce( $_POST['stripe_checkout_process_nonce'], 'stripe-checkout-process' ) ) {
+		if ( ! wp_verify_nonce($_POST['stripe_checkout_process_nonce'], 'stripe-checkout-process')) {
 			return;
 		}
 
-		$order_id = wc_clean( $_POST['order_id'] );
-		$order    = wc_get_order( $order_id );
+		$order_id = wc_clean($_POST['order_id']);
+		$order    = wc_get_order($order_id);
 
-		do_action( 'wc_stripe_checkout_return_handler', $order );
+		do_action('wc_stripe_checkout_return_handler', $order);
 
-		if ( WC_Stripe_Helper::is_pre_orders_exists() && $this->pre_orders->is_pre_order( $order_id ) && WC_Pre_Orders_Order::order_requires_payment_tokenization( $order_id ) ) {
-			$result = $this->pre_orders->process_pre_order( $order_id );
+		if (WC_Stripe_Helper::is_pre_orders_exists() && $this->pre_orders->is_pre_order($order_id) && WC_Pre_Orders_Order::order_requires_payment_tokenization($order_id)) {
+			$result = $this->pre_orders->process_pre_order($order_id);
 		} else {
-			$result = $this->process_payment( $order_id );
+			$result = $this->process_payment($order_id);
 		}
 
-		if ( 'success' === $result['result'] ) {
-			wp_redirect( $result['redirect'] );
+		if ('success' === $result['result']) {
+			wp_redirect($result['redirect']);
 			exit;
 		}
 
 		// Redirects back to pay order page.
-		wp_safe_redirect( $order->get_checkout_payment_url( true ) );
+		wp_safe_redirect($order->get_checkout_payment_url(true));
 		exit;
 	}
 
@@ -641,13 +641,13 @@ 
 	 * @return bool
 	 */
 	public function maybe_redirect_stripe_checkout() {
-		$is_payment_request = ( isset( $_POST ) && isset( $_POST['payment_request_type'] ) );
+		$is_payment_request = (isset($_POST) && isset($_POST['payment_request_type']));
 
 		return (
 			$this->stripe_checkout &&
-			! isset( $_POST['stripe_checkout_order'] ) &&
+			! isset($_POST['stripe_checkout_order']) &&
 			! $this->is_using_saved_payment_method() &&
-			! is_wc_endpoint_url( 'order-pay' ) &&
+			! is_wc_endpoint_url('order-pay') &&
 			! $is_payment_request
 		);
 	}
@@ -666,54 +666,54 @@ 
 	 *
 	 * @return array|void
 	 */
-	public function process_payment( $order_id, $retry = true, $force_save_source = false, $previous_error = false ) {
+	public function process_payment($order_id, $retry = true, $force_save_source = false, $previous_error = false) {
 		try {
-			$order = wc_get_order( $order_id );
+			$order = wc_get_order($order_id);
 
-			if ( $this->maybe_redirect_stripe_checkout() ) {
-				WC_Stripe_Logger::log( sprintf( 'Redirecting to Stripe Checkout page for order %s', $order_id ) );
+			if ($this->maybe_redirect_stripe_checkout()) {
+				WC_Stripe_Logger::log(sprintf('Redirecting to Stripe Checkout page for order %s', $order_id));
 
 				return array(
 					'result'   => 'success',
-					'redirect' => $order->get_checkout_payment_url( true ),
+					'redirect' => $order->get_checkout_payment_url(true),
 				);
 			}
 
-			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);
 			}
 
 			// This comes from the create account checkbox in the checkout page.
-			$create_account = ! empty( $_POST['createaccount'] ) ? true : false;
+			$create_account = ! empty($_POST['createaccount']) ? true : false;
 
-			if ( $create_account ) {
+			if ($create_account) {
 				$new_customer_id     = WC_Stripe_Helper::is_pre_30() ? $order->customer_user : $order->get_customer_id();
-				$new_stripe_customer = new WC_Stripe_Customer( $new_customer_id );
+				$new_stripe_customer = new WC_Stripe_Customer($new_customer_id);
 				$new_stripe_customer->create_customer();
 			}
 
-			$prepared_source = $this->prepare_source( get_current_user_id(), $force_save_source );
+			$prepared_source = $this->prepare_source(get_current_user_id(), $force_save_source);
 			$source_object   = $prepared_source->source_object;
 
 			// Check if we don't allow prepaid credit cards.
-			if ( ! apply_filters( 'wc_stripe_allow_prepaid_card', true ) && $this->is_prepaid_card( $source_object ) ) {
-				$localized_message = __( 'Sorry, we\'re not accepting prepaid cards at this time. Your credit card has not been charge. Please try with alternative payment method.', 'woocommerce-gateway-stripe' );
-				throw new WC_Stripe_Exception( print_r( $source_object, true ), $localized_message );
+			if ( ! apply_filters('wc_stripe_allow_prepaid_card', true) && $this->is_prepaid_card($source_object)) {
+				$localized_message = __('Sorry, we\'re not accepting prepaid cards at this time. Your credit card has not been charge. Please try with alternative payment method.', 'woocommerce-gateway-stripe');
+				throw new WC_Stripe_Exception(print_r($source_object, true), $localized_message);
 			}
 
-			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 ), $localized_message );
+			if (empty($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);
 			}
 
-			$this->save_source_to_order( $order, $prepared_source );
+			$this->save_source_to_order($order, $prepared_source);
 
 			// Result from Stripe API request.
 			$response = null;
 
-			if ( $order->get_total() > 0 ) {
+			if ($order->get_total() > 0) {
 				// This will throw exception if not valid.
-				$this->validate_minimum_order_amount( $order );
+				$this->validate_minimum_order_amount($order);
 
 				/*
 				 * Check if card 3DS is required or optional with 3DS setting.
@@ -722,22 +722,22 @@ 
 				 * Note that if we need to save source, the original source must be first
 				 * attached to a customer in Stripe before it can be charged.
 				 */
-				if ( $this->is_3ds_required( $source_object ) ) {
-					$response = $this->create_3ds_source( $order, $source_object );
+				if ($this->is_3ds_required($source_object)) {
+					$response = $this->create_3ds_source($order, $source_object);
 
-					if ( ! empty( $response->error ) ) {
+					if ( ! empty($response->error)) {
 						$localized_message = $response->error->message;
 
-						$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);
 					}
 
 					// Update order meta with 3DS source.
-					if ( WC_Stripe_Helper::is_pre_30() ) {
-						update_post_meta( $order_id, '_stripe_source_id', $response->id );
+					if (WC_Stripe_Helper::is_pre_30()) {
+						update_post_meta($order_id, '_stripe_source_id', $response->id);
 					} else {
-						$order->update_meta_data( '_stripe_source_id', $response->id );
+						$order->update_meta_data('_stripe_source_id', $response->id);
 						$order->save();
 					}
 
@@ -745,87 +745,87 @@ 
 					 * Make sure after creating 3DS object it is in pending status
 					 * before redirecting.
 					 */
-					if ( 'pending' === $response->redirect->status ) {
-						WC_Stripe_Logger::log( 'Info: Redirecting to 3DS...' );
+					if ('pending' === $response->redirect->status) {
+						WC_Stripe_Logger::log('Info: Redirecting to 3DS...');
 
 						return array(
 							'result'   => 'success',
-							'redirect' => esc_url_raw( $response->redirect->url ),
+							'redirect' => esc_url_raw($response->redirect->url),
 						);
 					}
 				}
 
-				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 we're doing a retry and source is chargeable, we need to pass
 				 * a different idempotency key and retry for success.
 				 */
-				if ( $this->need_update_idempotency_key( $source_object, $previous_error ) ) {
-					add_filter( 'wc_stripe_idempotency_key', array( $this, 'change_idempotency_key' ), 10, 2 );
+				if ($this->need_update_idempotency_key($source_object, $previous_error)) {
+					add_filter('wc_stripe_idempotency_key', array($this, 'change_idempotency_key'), 10, 2);
 				}
 
 				// Make the request.
-				$response = WC_Stripe_API::request( $this->generate_payment_request( $order, $prepared_source ) );
+				$response = WC_Stripe_API::request($this->generate_payment_request($order, $prepared_source));
 
-				if ( ! empty( $response->error ) ) {
+				if ( ! empty($response->error)) {
 					// Customer param wrong? The user may have been deleted on stripe's end. Remove customer_id. Can be retried without.
-					if ( $this->is_no_such_customer_error( $response->error ) ) {
-						if ( WC_Stripe_Helper::is_pre_30() ) {
-							delete_user_meta( $order->customer_user, '_stripe_customer_id' );
-							delete_post_meta( $order_id, '_stripe_customer_id' );
+					if ($this->is_no_such_customer_error($response->error)) {
+						if (WC_Stripe_Helper::is_pre_30()) {
+							delete_user_meta($order->customer_user, '_stripe_customer_id');
+							delete_post_meta($order_id, '_stripe_customer_id');
 						} else {
-							delete_user_meta( $order->get_customer_id(), '_stripe_customer_id' );
-							$order->delete_meta_data( '_stripe_customer_id' );
+							delete_user_meta($order->get_customer_id(), '_stripe_customer_id');
+							$order->delete_meta_data('_stripe_customer_id');
 							$order->save();
 						}
 					}
 
-					if ( $this->is_no_such_token_error( $response->error ) && $prepared_source->token_id ) {
+					if ($this->is_no_such_token_error($response->error) && $prepared_source->token_id) {
 						// Source param wrong? The CARD may have been deleted on stripe's end. Remove token and show message.
-						$wc_token = WC_Payment_Tokens::get( $prepared_source->token_id );
+						$wc_token = WC_Payment_Tokens::get($prepared_source->token_id);
 						$wc_token->delete();
-						$localized_message = __( 'This card is no longer available and has been removed.', 'woocommerce-gateway-stripe' );
-						$order->add_order_note( $localized_message );
-						throw new WC_Stripe_Exception( print_r( $response, true ), $localized_message );
+						$localized_message = __('This card is no longer available and has been removed.', 'woocommerce-gateway-stripe');
+						$order->add_order_note($localized_message);
+						throw new WC_Stripe_Exception(print_r($response, true), $localized_message);
 					}
 
 					// 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_payment( $order_id, false, $force_save_source, $response->error );
+							if (5 <= $this->retry_interval) {
+								return $this->process_payment($order_id, false, $force_save_source, $response->error);
 							}
 
-							sleep( $this->retry_interval );
+							sleep($this->retry_interval);
 
 							$this->retry_interval++;
 
-							return $this->process_payment( $order_id, true, $force_save_source, $response->error );
+							return $this->process_payment($order_id, true, $force_save_source, $response->error);
 						} else {
-							$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 );
+							$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);
 						}
 					}
 
 					$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;
 					}
 
-					$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);
 				}
 
-				do_action( 'wc_gateway_stripe_process_payment', $response, $order );
+				do_action('wc_gateway_stripe_process_payment', $response, $order);
 
 				// Process valid response.
-				$this->process_response( $response, $order );
+				$this->process_response($response, $order);
 			} else {
 				$order->payment_complete();
 			}
@@ -836,17 +836,17 @@ 
 			// 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',
@@ -862,17 +862,17 @@ 
 	 *
 	 * @param int $order_id
 	 */
-	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;
 		}
 
@@ -880,12 +880,12 @@ 
 
 		<tr>
 			<td class="label stripe-fee">
-				<?php echo wc_help_tip( __( 'This represents the fee Stripe collects for the transaction.', 'woocommerce-gateway-stripe' ) ); ?>
-				<?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')); ?>
+				<?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' => $currency ) ); ?>
+				-&nbsp;<?php echo wc_price($fee, array('currency' => $currency)); ?>
 			</td>
 		</tr>
 
@@ -899,17 +899,17 @@ 
 	 *
 	 * @param int $order_id
 	 */
-	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;
 		}
 
@@ -917,12 +917,12 @@ 
 
 		<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' ) ); ?>
-				<?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')); ?>
+				<?php esc_html_e('Stripe Payout:', 'woocommerce-gateway-stripe'); ?>
 			</td>
 			<td width="1%"></td>
 			<td class="total">
-				<?php echo wc_price( $net, array( 'currency' => $currency ) ); ?>
+				<?php echo wc_price($net, array('currency' => $currency)); ?>
 			</td>
 		</tr>
 

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

Spacing +155 added lines, -155 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit;
 }
 
@@ -15,19 +15,19 @@ 
 	public function __construct() {
 		parent::__construct();
 
-		if ( class_exists( 'WC_Subscriptions_Order' ) ) {
-			add_action( 'woocommerce_scheduled_subscription_payment_' . $this->id, array( $this, 'scheduled_subscription_payment' ), 10, 2 );
-			add_action( 'wcs_resubscribe_order_created', array( $this, 'delete_resubscribe_meta' ), 10 );
-			add_action( 'wcs_renewal_order_created', array( $this, 'delete_renewal_meta' ), 10 );
-			add_action( 'woocommerce_subscription_failing_payment_method_updated_stripe', array( $this, 'update_failing_payment_method' ), 10, 2 );
+		if (class_exists('WC_Subscriptions_Order')) {
+			add_action('woocommerce_scheduled_subscription_payment_' . $this->id, array($this, 'scheduled_subscription_payment'), 10, 2);
+			add_action('wcs_resubscribe_order_created', array($this, 'delete_resubscribe_meta'), 10);
+			add_action('wcs_renewal_order_created', array($this, 'delete_renewal_meta'), 10);
+			add_action('woocommerce_subscription_failing_payment_method_updated_stripe', array($this, 'update_failing_payment_method'), 10, 2);
 
 			// display the credit card used for a subscription in the "My Subscriptions" table
-			add_filter( 'woocommerce_my_subscriptions_payment_method', array( $this, 'maybe_render_subscription_payment_method' ), 10, 2 );
+			add_filter('woocommerce_my_subscriptions_payment_method', array($this, 'maybe_render_subscription_payment_method'), 10, 2);
 
 			// allow store managers to manually set Stripe as the payment method on a subscription
-			add_filter( 'woocommerce_subscription_payment_meta', array( $this, 'add_subscription_payment_meta' ), 10, 2 );
-			add_filter( 'woocommerce_subscription_validate_payment_meta', array( $this, 'validate_subscription_payment_meta' ), 10, 2 );
-			add_filter( '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'));
 		}
 	}
 
@@ -47,8 +47,8 @@ 
 	 * @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;
 		}
 
@@ -60,8 +60,8 @@ 
 	 * @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)));
 	}
 
 	/**
@@ -71,7 +71,7 @@ 
 	 * @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']));
 	}
 
 	/**
@@ -80,24 +80,24 @@ 
 	 * @since 4.0.4
 	 * @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);
 			$source_object   = $prepared_source->source_object;
 
 			// Check if we don't allow prepaid credit cards.
-			if ( ! apply_filters( 'wc_stripe_allow_prepaid_card', true ) && $this->is_prepaid_card( $source_object ) ) {
-				$localized_message = __( 'Sorry, we\'re not accepting prepaid cards at this time. Your credit card has not been charge. Please try with alternative payment method.', 'woocommerce-gateway-stripe' );
-				throw new WC_Stripe_Exception( print_r( $source_object, true ), $localized_message );
+			if ( ! apply_filters('wc_stripe_allow_prepaid_card', true) && $this->is_prepaid_card($source_object)) {
+				$localized_message = __('Sorry, we\'re not accepting prepaid cards at this time. Your credit card has not been charge. Please try with alternative payment method.', 'woocommerce-gateway-stripe');
+				throw new WC_Stripe_Exception(print_r($source_object, true), $localized_message);
 			}
 
-			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 ), $localized_message );
+			if (empty($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);
 			}
 
-			$this->save_source_to_order( $subscription, $prepared_source );
+			$this->save_source_to_order($subscription, $prepared_source);
 
 			/*
 			 * Check if card 3DS is required or optional with 3DS setting.
@@ -106,41 +106,41 @@ 
 			 * Note that if we need to save source, the original source must be first
 			 * attached to a customer in Stripe before it can be charged.
 			 */
-			if ( $this->is_3ds_required( $source_object ) ) {
+			if ($this->is_3ds_required($source_object)) {
 				$order    = $subscription->get_parent();
-				$response = $this->create_3ds_source( $order, $source_object, $subscription->get_view_order_url() );
+				$response = $this->create_3ds_source($order, $source_object, $subscription->get_view_order_url());
 
-				if ( ! empty( $response->error ) ) {
+				if ( ! empty($response->error)) {
 					$localized_message = $response->error->message;
 
-					$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);
 				}
 
 				// Update order meta with 3DS source.
-				if ( WC_Stripe_Helper::is_pre_30() ) {
-					update_post_meta( $order_id, '_stripe_source_id', $response->id );
+				if (WC_Stripe_Helper::is_pre_30()) {
+					update_post_meta($order_id, '_stripe_source_id', $response->id);
 				} else {
-					$subscription->update_meta_data( '_stripe_source_id', $response->id );
+					$subscription->update_meta_data('_stripe_source_id', $response->id);
 					$subscription->save();
 				}
 
-				WC_Stripe_Logger::log( 'Info: Redirecting to 3DS...' );
+				WC_Stripe_Logger::log('Info: Redirecting to 3DS...');
 
 				return array(
 					'result'   => 'success',
-					'redirect' => esc_url_raw( $response->redirect->url ),
+					'redirect' => esc_url_raw($response->redirect->url),
 				);
 			}
 
 			return array(
 				'result'   => 'success',
-				'redirect' => $this->get_return_url( $subscription ),
+				'redirect' => $this->get_return_url($subscription),
 			);
-		} 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());
 		}
 	}
 
@@ -149,16 +149,16 @@ 
 	 * @param  int $order_id
 	 * @return array
 	 */
-	public function process_payment( $order_id, $retry = true, $force_save_source = false, $previous_error = 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, $previous_error = false) {
+		if ($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, $previous_error );
+			return parent::process_payment($order_id, $retry, true, $previous_error);
 		} else {
-			return parent::process_payment( $order_id, $retry, $force_save_source, $previous_error );
+			return parent::process_payment($order_id, $retry, $force_save_source, $previous_error);
 		}
 	}
 
@@ -168,8 +168,8 @@ 
 	 * @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);
 	}
 
 	/**
@@ -183,86 +183,86 @@ 
 	 * @param bool $retry Should we retry the process?
 	 * @param object $previous_error
 	 */
-	public function process_subscription_payment( $amount = 0.0, $renewal_order, $retry = true, $previous_error ) {
+	public function process_subscription_payment($amount = 0.0, $renewal_order, $retry = true, $previous_error) {
 		try {
-			if ( $amount * 100 < WC_Stripe_Helper::get_minimum_amount() ) {
+			if ($amount * 100 < WC_Stripe_Helper::get_minimum_amount()) {
 				/* translators: minimum amount */
-				return new WP_Error( 'stripe_error', sprintf( __( 'Sorry, the minimum allowed order total is %1$s to use this payment method.', 'woocommerce-gateway-stripe' ), wc_price( WC_Stripe_Helper::get_minimum_amount() / 100 ) ) );
+				return new WP_Error('stripe_error', sprintf(__('Sorry, the minimum allowed order total is %1$s to use this payment method.', 'woocommerce-gateway-stripe'), wc_price(WC_Stripe_Helper::get_minimum_amount() / 100)));
 			}
 
 			$order_id = WC_Stripe_Helper::is_pre_30() ? $renewal_order->id : $renewal_order->get_id();
 
 			// 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 ) {
-				return new WP_Error( 'stripe_error', __( 'Customer not found', 'woocommerce-gateway-stripe' ) );
+			if ( ! $prepared_source->customer) {
+				return new WP_Error('stripe_error', __('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 = '';
 			}
 
-			$request            = $this->generate_payment_request( $renewal_order, $prepared_source );
+			$request            = $this->generate_payment_request($renewal_order, $prepared_source);
 			$request['capture'] = 'true';
-			$request['amount']  = WC_Stripe_Helper::get_stripe_amount( $amount, $request['currency'] );
-			$response           = WC_Stripe_API::request( $request );
+			$request['amount']  = WC_Stripe_Helper::get_stripe_amount($amount, $request['currency']);
+			$response           = WC_Stripe_API::request($request);
 
-			if ( ! empty( $response->error ) ) {
+			if ( ! empty($response->error)) {
 				// 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);
 			}
 
-			do_action( 'wc_gateway_stripe_process_payment', $response, $renewal_order );
+			do_action('wc_gateway_stripe_process_payment', $response, $renewal_order);
 
-			$this->process_response( $response, $renewal_order );
-		} catch ( WC_Stripe_Exception $e ) {
-			WC_Stripe_Logger::log( 'Error: ' . $e->getMessage() );
+			$this->process_response($response, $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');
 		}
 	}
 
@@ -272,24 +272,24 @@ 
 	 * @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 = WC_Stripe_Helper::is_pre_30() ? $order->id : $order->get_id();
 
 		// Also store it on the subscriptions being purchased or paid for in the order
-		if ( function_exists( 'wcs_order_contains_subscription' ) && wcs_order_contains_subscription( $order_id ) ) {
-			$subscriptions = wcs_get_subscriptions_for_order( $order_id );
-		} elseif ( function_exists( 'wcs_order_contains_renewal' ) && wcs_order_contains_renewal( $order_id ) ) {
-			$subscriptions = wcs_get_subscriptions_for_renewal_order( $order_id );
+		if (function_exists('wcs_order_contains_subscription') && wcs_order_contains_subscription($order_id)) {
+			$subscriptions = wcs_get_subscriptions_for_order($order_id);
+		} elseif (function_exists('wcs_order_contains_renewal') && wcs_order_contains_renewal($order_id)) {
+			$subscriptions = wcs_get_subscriptions_for_renewal_order($order_id);
 		} else {
 			$subscriptions = array();
 		}
 
-		foreach ( $subscriptions as $subscription ) {
+		foreach ($subscriptions as $subscription) {
 			$subscription_id = WC_Stripe_Helper::is_pre_30() ? $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);
 		}
 	}
 
@@ -297,21 +297,21 @@ 
 	 * 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( ( WC_Stripe_Helper::is_pre_30() ? $resubscribe_order->id : $resubscribe_order->get_id() ), '_stripe_customer_id' );
-		delete_post_meta( ( WC_Stripe_Helper::is_pre_30() ? $resubscribe_order->id : $resubscribe_order->get_id() ), '_stripe_source_id' );
+	public function delete_resubscribe_meta($resubscribe_order) {
+		delete_post_meta((WC_Stripe_Helper::is_pre_30() ? $resubscribe_order->id : $resubscribe_order->get_id()), '_stripe_customer_id');
+		delete_post_meta((WC_Stripe_Helper::is_pre_30() ? $resubscribe_order->id : $resubscribe_order->get_id()), '_stripe_source_id');
 		// For BW compat will remove in future
-		delete_post_meta( ( WC_Stripe_Helper::is_pre_30() ? $resubscribe_order->id : $resubscribe_order->get_id() ), '_stripe_card_id' );
-		$this->delete_renewal_meta( $resubscribe_order );
+		delete_post_meta((WC_Stripe_Helper::is_pre_30() ? $resubscribe_order->id : $resubscribe_order->get_id()), '_stripe_card_id');
+		$this->delete_renewal_meta($resubscribe_order);
 	}
 
 	/**
 	 * Don't transfer Stripe fee/ID meta to renewal orders.
 	 * @param int $resubscribe_order The order created for the customer to resubscribe to the old expired/cancelled subscription
 	 */
-	public function delete_renewal_meta( $renewal_order ) {
-		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);
 
 		return $renewal_order;
 	}
@@ -325,14 +325,14 @@ 
 	 * @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 ) {
-		if ( WC_Stripe_Helper::is_pre_30() ) {
-			update_post_meta( $subscription->id, '_stripe_customer_id', $renewal_order->stripe_customer_id );
-			update_post_meta( $subscription->id, '_stripe_source_id', $renewal_order->stripe_source_id );
+	public function update_failing_payment_method($subscription, $renewal_order) {
+		if (WC_Stripe_Helper::is_pre_30()) {
+			update_post_meta($subscription->id, '_stripe_customer_id', $renewal_order->stripe_customer_id);
+			update_post_meta($subscription->id, '_stripe_source_id', $renewal_order->stripe_source_id);
 
 		} else {
-			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', $renewal_order->get_meta( '_stripe_source_id', true ) );
+			update_post_meta($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));
 		}
 	}
 
@@ -345,21 +345,21 @@ 
 	 * @param WC_Subscription $subscription An instance of a subscription object
 	 * @return array
 	 */
-	public function add_subscription_payment_meta( $payment_meta, $subscription ) {
-		$source_id = get_post_meta( ( WC_Stripe_Helper::is_pre_30() ? $subscription->id : $subscription->get_id() ), '_stripe_source_id', true );
+	public function add_subscription_payment_meta($payment_meta, $subscription) {
+		$source_id = get_post_meta((WC_Stripe_Helper::is_pre_30() ? $subscription->id : $subscription->get_id()), '_stripe_source_id', true);
 
 		// For BW compat will remove in future.
-		if ( empty( $source_id ) ) {
-			$source_id = get_post_meta( ( WC_Stripe_Helper::is_pre_30() ? $subscription->id : $subscription->get_id() ), '_stripe_card_id', true );
+		if (empty($source_id)) {
+			$source_id = get_post_meta((WC_Stripe_Helper::is_pre_30() ? $subscription->id : $subscription->get_id()), '_stripe_card_id', true);
 
 			// Take this opportunity to update the key name.
-			WC_Stripe_Helper::is_pre_30() ? update_post_meta( $subscription->id, '_stripe_source_id', $source_id ) : update_post_meta( $subscription->get_id(), '_stripe_source_id', $source_id );
+			WC_Stripe_Helper::is_pre_30() ? update_post_meta($subscription->id, '_stripe_source_id', $source_id) : update_post_meta($subscription->get_id(), '_stripe_source_id', $source_id);
 		}
 
-		$payment_meta[ $this->id ] = array(
+		$payment_meta[$this->id] = array(
 			'post_meta' => array(
 				'_stripe_customer_id' => array(
-					'value' => get_post_meta( ( WC_Stripe_Helper::is_pre_30() ? $subscription->id : $subscription->get_id() ), '_stripe_customer_id', true ),
+					'value' => get_post_meta((WC_Stripe_Helper::is_pre_30() ? $subscription->id : $subscription->get_id()), '_stripe_customer_id', true),
 					'label' => 'Stripe Customer ID',
 				),
 				'_stripe_source_id' => array(
@@ -382,22 +382,22 @@ 
 	 * @param array $payment_meta associative array of meta data required for automatic payments
 	 * @return array
 	 */
-	public function validate_subscription_payment_meta( $payment_method_id, $payment_meta ) {
-		if ( $this->id === $payment_method_id ) {
+	public function validate_subscription_payment_meta($payment_method_id, $payment_meta) {
+		if ($this->id === $payment_method_id) {
 
-			if ( ! isset( $payment_meta['post_meta']['_stripe_customer_id']['value'] ) || empty( $payment_meta['post_meta']['_stripe_customer_id']['value'] ) ) {
-				throw new Exception( __( 'A "Stripe Customer ID" value is required.', 'woocommerce-gateway-stripe' ) );
-			} elseif ( 0 !== strpos( $payment_meta['post_meta']['_stripe_customer_id']['value'], 'cus_' ) ) {
-				throw new Exception( __( 'Invalid customer ID. A valid "Stripe Customer ID" must begin with "cus_".', 'woocommerce-gateway-stripe' ) );
+			if ( ! isset($payment_meta['post_meta']['_stripe_customer_id']['value']) || empty($payment_meta['post_meta']['_stripe_customer_id']['value'])) {
+				throw new Exception(__('A "Stripe Customer ID" value is required.', 'woocommerce-gateway-stripe'));
+			} elseif (0 !== strpos($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_' ) )
-				&& ( ! empty( $payment_meta['post_meta']['_stripe_source_id']['value'] )
-				&& 0 !== strpos( $payment_meta['post_meta']['_stripe_source_id']['value'], 'src_' ) ) ) {
+				( ! empty($payment_meta['post_meta']['_stripe_source_id']['value'])
+				&& 0 !== strpos($payment_meta['post_meta']['_stripe_source_id']['value'], 'card_'))
+				&& ( ! empty($payment_meta['post_meta']['_stripe_source_id']['value'])
+				&& 0 !== strpos($payment_meta['post_meta']['_stripe_source_id']['value'], 'src_')) ) {
 
-				throw new Exception( __( 'Invalid source ID. A valid source "Stripe Source ID" must begin with "src_" or "card_".', 'woocommerce-gateway-stripe' ) );
+				throw new Exception(__('Invalid source ID. A valid source "Stripe Source ID" must begin with "src_" or "card_".', 'woocommerce-gateway-stripe'));
 			}
 		}
 	}
@@ -410,93 +410,93 @@ 
 	 * @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 = WC_Stripe_Helper::is_pre_30() ? $subscription->customer_user : $subscription->get_customer_id();
 
 		// bail for other payment methods
-		if ( ( WC_Stripe_Helper::is_pre_30() ? $subscription->payment_method : $subscription->get_payment_method() ) !== $this->id || ! $customer_user ) {
+		if ((WC_Stripe_Helper::is_pre_30() ? $subscription->payment_method : $subscription->get_payment_method()) !== $this->id || ! $customer_user) {
 			return $payment_method_to_display;
 		}
 
-		$stripe_source_id = get_post_meta( ( WC_Stripe_Helper::is_pre_30() ? $subscription->id : $subscription->get_id() ), '_stripe_source_id', true );
+		$stripe_source_id = get_post_meta((WC_Stripe_Helper::is_pre_30() ? $subscription->id : $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( ( WC_Stripe_Helper::is_pre_30() ? $subscription->id : $subscription->get_id() ), '_stripe_card_id', true );
+		if (empty($stripe_source_id)) {
+			$stripe_source_id = get_post_meta((WC_Stripe_Helper::is_pre_30() ? $subscription->id : $subscription->get_id()), '_stripe_card_id', true);
 
 			// Take this opportunity to update the key name.
-			WC_Stripe_Helper::is_pre_30() ? update_post_meta( $subscription->id, '_stripe_source_id', $stripe_source_id ) : update_post_meta( $subscription->get_id(), '_stripe_source_id', $stripe_source_id );
+			WC_Stripe_Helper::is_pre_30() ? update_post_meta($subscription->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( ( WC_Stripe_Helper::is_pre_30() ? $subscription->id : $subscription->get_id() ), '_stripe_customer_id', true );
+		$stripe_customer_id = get_post_meta((WC_Stripe_Helper::is_pre_30() ? $subscription->id : $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_meta( $user_id, '_stripe_customer_id', true );
-			$stripe_source_id   = get_user_meta( $user_id, '_stripe_source_id', true );
+			$stripe_customer_id = get_user_meta($user_id, '_stripe_customer_id', true);
+			$stripe_source_id   = get_user_meta($user_id, '_stripe_source_id', true);
 
 			// For BW compat will remove in future.
-			if ( empty( $stripe_source_id ) ) {
-				$stripe_source_id = get_user_meta( $user_id, '_stripe_card_id', true );
+			if (empty($stripe_source_id)) {
+				$stripe_source_id = get_user_meta($user_id, '_stripe_card_id', true);
 
 				// Take this opportunity to update the key name.
-				update_user_meta( $user_id, '_stripe_source_id', $stripe_source_id );
+				update_user_meta($user_id, '_stripe_source_id', $stripe_source_id);
 			}
 		}
 
 		// 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( ( WC_Stripe_Helper::is_pre_30() ? $subscription->order->id : $subscription->get_parent_id() ), '_stripe_customer_id', true );
-			$stripe_source_id   = get_post_meta( ( WC_Stripe_Helper::is_pre_30() ? $subscription->order->id : $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((WC_Stripe_Helper::is_pre_30() ? $subscription->order->id : $subscription->get_parent_id()), '_stripe_customer_id', true);
+			$stripe_source_id   = get_post_meta((WC_Stripe_Helper::is_pre_30() ? $subscription->order->id : $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( ( WC_Stripe_Helper::is_pre_30() ? $subscription->order->id : $subscription->get_parent_id() ), '_stripe_card_id', true );
+			if (empty($stripe_source_id)) {
+				$stripe_source_id = get_post_meta((WC_Stripe_Helper::is_pre_30() ? $subscription->order->id : $subscription->get_parent_id()), '_stripe_card_id', true);
 
 				// Take this opportunity to update the key name.
-				WC_Stripe_Helper::is_pre_30() ? update_post_meta( $subscription->order->id, '_stripe_source_id', $stripe_source_id ) : update_post_meta( $subscription->get_parent_id(), '_stripe_source_id', $stripe_source_id );
+				WC_Stripe_Helper::is_pre_30() ? update_post_meta($subscription->order->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();
 
-		if ( $sources ) {
+		if ($sources) {
 			$card         = false;
 			$found_source = 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 === $stripe_source_id ) {
+				if ($source->id === $stripe_source_id) {
 					$found_source = true;
 
-					if ( $card ) {
+					if ($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);
 					} else {
-						$payment_method_to_display = __( 'N/A', 'woocommerce-gateway-stripe' );
+						$payment_method_to_display = __('N/A', 'woocommerce-gateway-stripe');
 					}
 					break;
 				}
 			}
 
-			if ( ! $found_source ) {
-				if ( isset( $sources[0]->type ) && 'card' === $sources[0]->type ) {
+			if ( ! $found_source) {
+				if (isset($sources[0]->type) && 'card' === $sources[0]->type) {
 					$card = $sources[0]->card;
 				}
 
-				if ( $card ) {
+				if ($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);
 				} else {
-					$payment_method_to_display = __( 'N/A', 'woocommerce-gateway-stripe' );
+					$payment_method_to_display = __('N/A', 'woocommerce-gateway-stripe');
 				}
 			}
 		}