woocommerce / woocommerce-gateway-stripe

woocommerce-gateway-stripe.php

Spacing +130 added lines, -130 removed lines

@@ -15,20 +15,20 @@ 
  *
  */
 
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit;
 }
 
-if ( ! class_exists( 'WC_Stripe' ) ) :
+if ( ! class_exists('WC_Stripe')) :
 	/**
 	 * Required minimums and constants
 	 */
-	define( 'WC_STRIPE_VERSION', '4.0.7' );
-	define( 'WC_STRIPE_MIN_PHP_VER', '5.6.0' );
-	define( 'WC_STRIPE_MIN_WC_VER', '2.6.0' );
-	define( 'WC_STRIPE_MAIN_FILE', __FILE__ );
-	define( 'WC_STRIPE_PLUGIN_URL', untrailingslashit( plugins_url( basename( plugin_dir_path( __FILE__ ) ), basename( __FILE__ ) ) ) );
-	define( 'WC_STRIPE_PLUGIN_PATH', untrailingslashit( plugin_dir_path( __FILE__ ) ) );
+	define('WC_STRIPE_VERSION', '4.0.7');
+	define('WC_STRIPE_MIN_PHP_VER', '5.6.0');
+	define('WC_STRIPE_MIN_WC_VER', '2.6.0');
+	define('WC_STRIPE_MAIN_FILE', __FILE__);
+	define('WC_STRIPE_PLUGIN_URL', untrailingslashit(plugins_url(basename(plugin_dir_path(__FILE__)), basename(__FILE__))));
+	define('WC_STRIPE_PLUGIN_PATH', untrailingslashit(plugin_dir_path(__FILE__)));
 
 	class WC_Stripe {
 
@@ -48,7 +48,7 @@ 
 		 * @return Singleton The *Singleton* instance.
 		 */
 		public static function get_instance() {
-			if ( null === self::$instance ) {
+			if (null === self::$instance) {
 				self::$instance = new self();
 			}
 			return self::$instance;
@@ -81,10 +81,10 @@ 
 		 * *Singleton* via the `new` operator from outside of this class.
 		 */
 		private function __construct() {
-			add_action( 'admin_init', array( $this, 'check_environment' ) );
-			add_action( 'admin_notices', array( $this, 'admin_notices' ), 15 );
-			add_action( 'plugins_loaded', array( $this, 'init' ) );
-			add_action( 'wp_loaded', array( $this, 'hide_notices' ) );
+			add_action('admin_init', array($this, 'check_environment'));
+			add_action('admin_notices', array($this, 'admin_notices'), 15);
+			add_action('plugins_loaded', array($this, 'init'));
+			add_action('wp_loaded', array($this, 'hide_notices'));
 		}
 
 		/**
@@ -94,44 +94,44 @@ 
 		 * @version 4.0.0
 		 */
 		public function init() {
-			require_once( dirname( __FILE__ ) . '/includes/class-wc-stripe-exception.php' );
-			require_once( dirname( __FILE__ ) . '/includes/class-wc-stripe-logger.php' );
-			require_once( dirname( __FILE__ ) . '/includes/class-wc-stripe-helper.php' );
-			include_once( dirname( __FILE__ ) . '/includes/class-wc-stripe-api.php' );
+			require_once(dirname(__FILE__) . '/includes/class-wc-stripe-exception.php');
+			require_once(dirname(__FILE__) . '/includes/class-wc-stripe-logger.php');
+			require_once(dirname(__FILE__) . '/includes/class-wc-stripe-helper.php');
+			include_once(dirname(__FILE__) . '/includes/class-wc-stripe-api.php');
 
 			// Don't hook anything else in the plugin if we're in an incompatible environment.
-			if ( self::get_environment_warning() ) {
+			if (self::get_environment_warning()) {
 				return;
 			}
 
-			load_plugin_textdomain( 'woocommerce-gateway-stripe', false, plugin_basename( dirname( __FILE__ ) ) . '/languages' );
-
-			require_once( dirname( __FILE__ ) . '/includes/abstracts/abstract-wc-stripe-payment-gateway.php' );
-			require_once( dirname( __FILE__ ) . '/includes/class-wc-stripe-webhook-handler.php' );
-			require_once( dirname( __FILE__ ) . '/includes/class-wc-stripe-sepa-payment-token.php' );
-			require_once( dirname( __FILE__ ) . '/includes/class-wc-stripe-apple-pay-registration.php' );
-			require_once( dirname( __FILE__ ) . '/includes/class-wc-gateway-stripe.php' );
-			require_once( dirname( __FILE__ ) . '/includes/payment-methods/class-wc-gateway-stripe-bancontact.php' );
-			require_once( dirname( __FILE__ ) . '/includes/payment-methods/class-wc-gateway-stripe-sofort.php' );
-			require_once( dirname( __FILE__ ) . '/includes/payment-methods/class-wc-gateway-stripe-giropay.php' );
-			require_once( dirname( __FILE__ ) . '/includes/payment-methods/class-wc-gateway-stripe-ideal.php' );
-			require_once( dirname( __FILE__ ) . '/includes/payment-methods/class-wc-gateway-stripe-p24.php' );
-			require_once( dirname( __FILE__ ) . '/includes/payment-methods/class-wc-gateway-stripe-alipay.php' );
-			require_once( dirname( __FILE__ ) . '/includes/payment-methods/class-wc-gateway-stripe-sepa.php' );
-			require_once( dirname( __FILE__ ) . '/includes/payment-methods/class-wc-gateway-stripe-bitcoin.php' );
-			require_once( dirname( __FILE__ ) . '/includes/payment-methods/class-wc-stripe-payment-request.php' );
-			require_once( dirname( __FILE__ ) . '/includes/compat/class-wc-stripe-compat.php' );
-			require_once( dirname( __FILE__ ) . '/includes/compat/class-wc-stripe-sepa-compat.php' );
-			require_once( dirname( __FILE__ ) . '/includes/class-wc-stripe-order-handler.php' );
-			require_once( dirname( __FILE__ ) . '/includes/class-wc-stripe-payment-tokens.php' );
-			require_once( dirname( __FILE__ ) . '/includes/class-wc-stripe-customer.php' );
+			load_plugin_textdomain('woocommerce-gateway-stripe', false, plugin_basename(dirname(__FILE__)) . '/languages');
+
+			require_once(dirname(__FILE__) . '/includes/abstracts/abstract-wc-stripe-payment-gateway.php');
+			require_once(dirname(__FILE__) . '/includes/class-wc-stripe-webhook-handler.php');
+			require_once(dirname(__FILE__) . '/includes/class-wc-stripe-sepa-payment-token.php');
+			require_once(dirname(__FILE__) . '/includes/class-wc-stripe-apple-pay-registration.php');
+			require_once(dirname(__FILE__) . '/includes/class-wc-gateway-stripe.php');
+			require_once(dirname(__FILE__) . '/includes/payment-methods/class-wc-gateway-stripe-bancontact.php');
+			require_once(dirname(__FILE__) . '/includes/payment-methods/class-wc-gateway-stripe-sofort.php');
+			require_once(dirname(__FILE__) . '/includes/payment-methods/class-wc-gateway-stripe-giropay.php');
+			require_once(dirname(__FILE__) . '/includes/payment-methods/class-wc-gateway-stripe-ideal.php');
+			require_once(dirname(__FILE__) . '/includes/payment-methods/class-wc-gateway-stripe-p24.php');
+			require_once(dirname(__FILE__) . '/includes/payment-methods/class-wc-gateway-stripe-alipay.php');
+			require_once(dirname(__FILE__) . '/includes/payment-methods/class-wc-gateway-stripe-sepa.php');
+			require_once(dirname(__FILE__) . '/includes/payment-methods/class-wc-gateway-stripe-bitcoin.php');
+			require_once(dirname(__FILE__) . '/includes/payment-methods/class-wc-stripe-payment-request.php');
+			require_once(dirname(__FILE__) . '/includes/compat/class-wc-stripe-compat.php');
+			require_once(dirname(__FILE__) . '/includes/compat/class-wc-stripe-sepa-compat.php');
+			require_once(dirname(__FILE__) . '/includes/class-wc-stripe-order-handler.php');
+			require_once(dirname(__FILE__) . '/includes/class-wc-stripe-payment-tokens.php');
+			require_once(dirname(__FILE__) . '/includes/class-wc-stripe-customer.php');
 
 			// REMOVE IN THE FUTURE.
-			require_once( dirname( __FILE__ ) . '/includes/deprecated/class-wc-stripe-apple-pay.php' );
+			require_once(dirname(__FILE__) . '/includes/deprecated/class-wc-stripe-apple-pay.php');
 
-			add_filter( 'woocommerce_payment_gateways', array( $this, 'add_gateways' ) );
-			add_filter( 'plugin_action_links_' . plugin_basename( __FILE__ ), array( $this, 'plugin_action_links' ) );
-			add_filter( 'woocommerce_get_sections_checkout', array( $this, 'filter_gateway_order_admin' ) );
+			add_filter('woocommerce_payment_gateways', array($this, 'add_gateways'));
+			add_filter('plugin_action_links_' . plugin_basename(__FILE__), array($this, 'plugin_action_links'));
+			add_filter('woocommerce_get_sections_checkout', array($this, 'filter_gateway_order_admin'));
 		}
 
 		/**
@@ -141,23 +141,23 @@ 
 		 * @version 4.0.0
 		 */
 		public function hide_notices() {
-			if ( isset( $_GET['wc-stripe-hide-notice'] ) && isset( $_GET['_wc_stripe_notice_nonce'] ) ) {
-				if ( ! wp_verify_nonce( $_GET['_wc_stripe_notice_nonce'], 'wc_stripe_hide_notices_nonce' ) ) {
-					wp_die( __( 'Action failed. Please refresh the page and retry.', 'woocommerce-gateway-stripe' ) );
+			if (isset($_GET['wc-stripe-hide-notice']) && isset($_GET['_wc_stripe_notice_nonce'])) {
+				if ( ! wp_verify_nonce($_GET['_wc_stripe_notice_nonce'], 'wc_stripe_hide_notices_nonce')) {
+					wp_die(__('Action failed. Please refresh the page and retry.', 'woocommerce-gateway-stripe'));
 				}
 
-				if ( ! current_user_can( 'manage_woocommerce' ) ) {
-					wp_die( __( 'Cheatin’ huh?', 'woocommerce-gateway-stripe' ) );
+				if ( ! current_user_can('manage_woocommerce')) {
+					wp_die(__('Cheatin’ huh?', 'woocommerce-gateway-stripe'));
 				}
 
-				$notice = wc_clean( $_GET['wc-stripe-hide-notice'] );
+				$notice = wc_clean($_GET['wc-stripe-hide-notice']);
 
-				switch ( $notice ) {
+				switch ($notice) {
 					case 'ssl':
-						update_option( 'wc_stripe_show_ssl_notice', 'no' );
+						update_option('wc_stripe_show_ssl_notice', 'no');
 						break;
 					case 'keys':
-						update_option( 'wc_stripe_show_keys_notice', 'no' );
+						update_option('wc_stripe_show_keys_notice', 'no');
 						break;
 				}
 			}
@@ -169,8 +169,8 @@ 
 		 * @since 1.0.0
 		 * @version 4.0.0
 		 */
-		public function add_admin_notice( $slug, $class, $message, $dismissible = false ) {
-			$this->notices[ $slug ] = array(
+		public function add_admin_notice($slug, $class, $message, $dismissible = false) {
+			$this->notices[$slug] = array(
 				'class'       => $class,
 				'message'     => $message,
 				'dismissible' => $dismissible,
@@ -184,21 +184,21 @@ 
 		 * @version 4.0.0
 		 */
 		public function admin_notices() {
-			if ( ! current_user_can( 'manage_woocommerce' ) ) {
+			if ( ! current_user_can('manage_woocommerce')) {
 				return;
 			}
 
-			foreach ( (array) $this->notices as $notice_key => $notice ) {
-				echo '<div class="' . esc_attr( $notice['class'] ) . '" style="position:relative;">';
+			foreach ((array) $this->notices as $notice_key => $notice) {
+				echo '<div class="' . esc_attr($notice['class']) . '" style="position:relative;">';
 
-				if ( $notice['dismissible'] ) {
+				if ($notice['dismissible']) {
 				?>
-					<a href="<?php echo esc_url( wp_nonce_url( add_query_arg( 'wc-stripe-hide-notice', $notice_key ), 'wc_stripe_hide_notices_nonce', '_wc_stripe_notice_nonce' ) ); ?>" class="woocommerce-message-close notice-dismiss" style="position:absolute;right:1px;padding:9px;text-decoration:none;"></a>
+					<a href="<?php echo esc_url(wp_nonce_url(add_query_arg('wc-stripe-hide-notice', $notice_key), 'wc_stripe_hide_notices_nonce', '_wc_stripe_notice_nonce')); ?>" class="woocommerce-message-close notice-dismiss" style="position:absolute;right:1px;padding:9px;text-decoration:none;"></a>
 				<?php
 				}
 
 				echo '<p>';
-				echo wp_kses( $notice['message'], array( 'a' => array( 'href' => array() ) ) );
+				echo wp_kses($notice['message'], array('a' => array('href' => array())));
 				echo '</p></div>';
 			}
 		}
@@ -211,26 +211,26 @@ 
 		 * @version 4.0.0
 		 */
 		public function get_environment_warning() {
-			if ( version_compare( phpversion(), WC_STRIPE_MIN_PHP_VER, '<' ) ) {
+			if (version_compare(phpversion(), WC_STRIPE_MIN_PHP_VER, '<')) {
 				/* translators: 1) int version 2) int version */
-				$message = __( 'WooCommerce Stripe - The minimum PHP version required for this plugin is %1$s. You are running %2$s.', 'woocommerce-gateway-stripe' );
+				$message = __('WooCommerce Stripe - The minimum PHP version required for this plugin is %1$s. You are running %2$s.', 'woocommerce-gateway-stripe');
 
-				return sprintf( $message, WC_STRIPE_MIN_PHP_VER, phpversion() );
+				return sprintf($message, WC_STRIPE_MIN_PHP_VER, phpversion());
 			}
 
-			if ( ! defined( 'WC_VERSION' ) ) {
-				return __( 'WooCommerce Stripe requires WooCommerce to be activated to work.', 'woocommerce-gateway-stripe' );
+			if ( ! defined('WC_VERSION')) {
+				return __('WooCommerce Stripe requires WooCommerce to be activated to work.', 'woocommerce-gateway-stripe');
 			}
 
-			if ( version_compare( WC_VERSION, WC_STRIPE_MIN_WC_VER, '<' ) ) {
+			if (version_compare(WC_VERSION, WC_STRIPE_MIN_WC_VER, '<')) {
 				/* translators: 1) int version 2) int version */
-				$message = __( 'WooCommerce Stripe - The minimum WooCommerce version required for this plugin is %1$s. You are running %2$s.', 'woocommerce-gateway-stripe' );
+				$message = __('WooCommerce Stripe - The minimum WooCommerce version required for this plugin is %1$s. You are running %2$s.', 'woocommerce-gateway-stripe');
 
-				return sprintf( $message, WC_STRIPE_MIN_WC_VER, WC_VERSION );
+				return sprintf($message, WC_STRIPE_MIN_WC_VER, WC_VERSION);
 			}
 
-			if ( ! function_exists( 'curl_init' ) ) {
-				return __( 'WooCommerce Stripe - cURL is not installed.', 'woocommerce-gateway-stripe' );
+			if ( ! function_exists('curl_init')) {
+				return __('WooCommerce Stripe - cURL is not installed.', 'woocommerce-gateway-stripe');
 			}
 
 			return false;
@@ -244,11 +244,11 @@ 
 		 * @return string Setting link
 		 */
 		public function get_setting_link() {
-			$use_id_as_section = function_exists( 'WC' ) ? version_compare( WC()->version, '2.6', '>=' ) : false;
+			$use_id_as_section = function_exists('WC') ? version_compare(WC()->version, '2.6', '>=') : false;
 
-			$section_slug = $use_id_as_section ? 'stripe' : strtolower( 'WC_Gateway_Stripe' );
+			$section_slug = $use_id_as_section ? 'stripe' : strtolower('WC_Gateway_Stripe');
 
-			return admin_url( 'admin.php?page=wc-settings&tab=checkout&section=' . $section_slug );
+			return admin_url('admin.php?page=wc-settings&tab=checkout&section=' . $section_slug);
 		}
 
 		/**
@@ -259,65 +259,65 @@ 
 		 * @version 4.0.0
 		 */
 		public function check_environment() {
-			if ( ! defined( 'IFRAME_REQUEST' ) && ( WC_STRIPE_VERSION !== get_option( 'wc_stripe_version' ) ) ) {
+			if ( ! defined('IFRAME_REQUEST') && (WC_STRIPE_VERSION !== get_option('wc_stripe_version'))) {
 				$this->install();
 
-				do_action( 'woocommerce_stripe_updated' );
+				do_action('woocommerce_stripe_updated');
 			}
 
 			$environment_warning = $this->get_environment_warning();
 
-			if ( $environment_warning && is_plugin_active( plugin_basename( __FILE__ ) ) ) {
-				$this->add_admin_notice( 'bad_environment', 'error', $environment_warning );
+			if ($environment_warning && is_plugin_active(plugin_basename(__FILE__))) {
+				$this->add_admin_notice('bad_environment', 'error', $environment_warning);
 			}
 
-			$show_ssl_notice  = get_option( 'wc_stripe_show_ssl_notice' );
-			$show_keys_notice = get_option( 'wc_stripe_show_keys_notice' );
-			$options          = get_option( 'woocommerce_stripe_settings' );
-			$testmode         = ( isset( $options['testmode'] ) && 'yes' === $options['testmode'] ) ? true : false;
-			$test_pub_key     = isset( $options['test_publishable_key'] ) ? $options['test_publishable_key'] : '';
-			$test_secret_key  = isset( $options['test_secret_key'] ) ? $options['test_secret_key'] : '';
-			$live_pub_key     = isset( $options['publishable_key'] ) ? $options['publishable_key'] : '';
-			$live_secret_key  = isset( $options['secret_key'] ) ? $options['secret_key'] : '';
+			$show_ssl_notice  = get_option('wc_stripe_show_ssl_notice');
+			$show_keys_notice = get_option('wc_stripe_show_keys_notice');
+			$options          = get_option('woocommerce_stripe_settings');
+			$testmode         = (isset($options['testmode']) && 'yes' === $options['testmode']) ? true : false;
+			$test_pub_key     = isset($options['test_publishable_key']) ? $options['test_publishable_key'] : '';
+			$test_secret_key  = isset($options['test_secret_key']) ? $options['test_secret_key'] : '';
+			$live_pub_key     = isset($options['publishable_key']) ? $options['publishable_key'] : '';
+			$live_secret_key  = isset($options['secret_key']) ? $options['secret_key'] : '';
 
-			if ( isset( $options['enabled'] ) && 'yes' === $options['enabled'] && empty( $show_keys_notice ) ) {
-				$secret  = WC_Stripe_API::get_secret_key();
+			if (isset($options['enabled']) && 'yes' === $options['enabled'] && empty($show_keys_notice)) {
+				$secret = WC_Stripe_API::get_secret_key();
 
-				if ( empty( $secret ) && ! ( isset( $_GET['page'], $_GET['section'] ) && 'wc-settings' === $_GET['page'] && 'stripe' === $_GET['section'] ) ) {
+				if (empty($secret) && ! (isset($_GET['page'], $_GET['section']) && 'wc-settings' === $_GET['page'] && 'stripe' === $_GET['section'])) {
 					$setting_link = $this->get_setting_link();
 					/* translators: 1) link */
-					$this->add_admin_notice( 'keys', 'notice notice-warning', sprintf( __( 'Stripe is almost ready. To get started, <a href="%s">set your Stripe account keys</a>.', 'woocommerce-gateway-stripe' ), $setting_link ), true );
+					$this->add_admin_notice('keys', 'notice notice-warning', sprintf(__('Stripe is almost ready. To get started, <a href="%s">set your Stripe account keys</a>.', 'woocommerce-gateway-stripe'), $setting_link), true);
 				}
 
 				// Check if keys are entered properly per live/test mode.
-				if ( $testmode ) {
+				if ($testmode) {
 					if (
-						! empty( $test_pub_key ) && ! preg_match( '/^pk_test_/', $test_pub_key )
-						|| ( ! empty( $test_secret_key ) && ! preg_match( '/^sk_test_/', $test_secret_key )
-						&& ! empty( $test_secret_key ) && ! preg_match( '/^rk_test_/', $test_secret_key ) ) )
+						! empty($test_pub_key) && ! preg_match('/^pk_test_/', $test_pub_key)
+						|| ( ! empty($test_secret_key) && ! preg_match('/^sk_test_/', $test_secret_key)
+						&& ! empty($test_secret_key) && ! preg_match('/^rk_test_/', $test_secret_key)) )
 					{
 						$setting_link = $this->get_setting_link();
 						/* translators: 1) link */
-						$this->add_admin_notice( 'keys', 'notice notice-error', sprintf( __( 'Stripe is in test mode however your test keys may not be valid. Test keys start with pk_test and sk_test or rk_test. Please go to your settings and, <a href="%s">set your Stripe account keys</a>.', 'woocommerce-gateway-stripe' ), $setting_link ), true );
+						$this->add_admin_notice('keys', 'notice notice-error', sprintf(__('Stripe is in test mode however your test keys may not be valid. Test keys start with pk_test and sk_test or rk_test. Please go to your settings and, <a href="%s">set your Stripe account keys</a>.', 'woocommerce-gateway-stripe'), $setting_link), true);
 					}
 				} else {
 					if (
-						! empty( $live_pub_key ) && ! preg_match( '/^pk_live_/', $live_pub_key )
-						|| ( ! empty( $live_secret_key ) && ! preg_match( '/^sk_live_/', $live_secret_key )
-						&& ! empty( $live_secret_key ) && ! preg_match( '/^rk_live_/', $live_secret_key ) ) )
+						! empty($live_pub_key) && ! preg_match('/^pk_live_/', $live_pub_key)
+						|| ( ! empty($live_secret_key) && ! preg_match('/^sk_live_/', $live_secret_key)
+						&& ! empty($live_secret_key) && ! preg_match('/^rk_live_/', $live_secret_key)) )
 					{
 						$setting_link = $this->get_setting_link();
 						/* translators: 1) link */
-						$this->add_admin_notice( 'keys', 'notice notice-error', sprintf( __( 'Stripe is in live mode however your test keys may not be valid. Live keys start with pk_live and sk_live or rk_live. Please go to your settings and, <a href="%s">set your Stripe account keys</a>.', 'woocommerce-gateway-stripe' ), $setting_link ), true );
+						$this->add_admin_notice('keys', 'notice notice-error', sprintf(__('Stripe is in live mode however your test keys may not be valid. Live keys start with pk_live and sk_live or rk_live. Please go to your settings and, <a href="%s">set your Stripe account keys</a>.', 'woocommerce-gateway-stripe'), $setting_link), true);
 					}
 				}
 			}
 
-			if ( empty( $show_ssl_notice ) && isset( $options['enabled'] ) && 'yes' === $options['enabled'] ) {
+			if (empty($show_ssl_notice) && isset($options['enabled']) && 'yes' === $options['enabled']) {
 				// Show message if enabled and FORCE SSL is disabled and WordpressHTTPS plugin is not detected.
-				if ( ( function_exists( 'wc_site_is_https' ) && ! wc_site_is_https() ) && ( 'no' === get_option( 'woocommerce_force_ssl_checkout' ) && ! class_exists( 'WordPressHTTPS' ) ) ) {
+				if ((function_exists('wc_site_is_https') && ! wc_site_is_https()) && ('no' === get_option('woocommerce_force_ssl_checkout') && ! class_exists('WordPressHTTPS'))) {
 					/* translators: 1) link 2) link */
-					$this->add_admin_notice( 'ssl', 'notice notice-warning', sprintf( __( 'Stripe is enabled, but the <a href="%1$s">force SSL option</a> is disabled; your checkout may not be secure! Please enable SSL and ensure your server has a valid <a href="%2$s" target="_blank">SSL certificate</a> - Stripe will only work in test mode.', 'woocommerce-gateway-stripe' ), admin_url( 'admin.php?page=wc-settings&tab=checkout' ), 'https://en.wikipedia.org/wiki/Transport_Layer_Security' ), true );
+					$this->add_admin_notice('ssl', 'notice notice-warning', sprintf(__('Stripe is enabled, but the <a href="%1$s">force SSL option</a> is disabled; your checkout may not be secure! Please enable SSL and ensure your server has a valid <a href="%2$s" target="_blank">SSL certificate</a> - Stripe will only work in test mode.', 'woocommerce-gateway-stripe'), admin_url('admin.php?page=wc-settings&tab=checkout'), 'https://en.wikipedia.org/wiki/Transport_Layer_Security'), true);
 				}
 			}
 		}
@@ -329,8 +329,8 @@ 
 		 * @version 4.0.0
 		 */
 		public function update_plugin_version() {
-			delete_option( 'wc_stripe_version' );
-			update_option( 'wc_stripe_version', WC_STRIPE_VERSION );
+			delete_option('wc_stripe_version');
+			update_option('wc_stripe_version', WC_STRIPE_VERSION);
 		}
 
 		/**
@@ -340,8 +340,8 @@ 
 		 * @version 3.1.0
 		 */
 		public function install() {
-			if ( ! defined( 'WC_STRIPE_INSTALLING' ) ) {
-				define( 'WC_STRIPE_INSTALLING', true );
+			if ( ! defined('WC_STRIPE_INSTALLING')) {
+				define('WC_STRIPE_INSTALLING', true);
 			}
 
 			$this->update_plugin_version();
@@ -353,13 +353,13 @@ 
 		 * @since 1.0.0
 		 * @version 4.0.0
 		 */
-		public function plugin_action_links( $links ) {
+		public function plugin_action_links($links) {
 			$plugin_links = array(
-				'<a href="admin.php?page=wc-settings&tab=checkout&section=stripe">' . esc_html__( 'Settings', 'woocommerce-gateway-stripe' ) . '</a>',
-				'<a href="https://docs.woocommerce.com/document/stripe/">' . esc_html__( 'Docs', 'woocommerce-gateway-stripe' ) . '</a>',
-				'<a href="https://woocommerce.com/contact-us/">' . esc_html__( 'Support', 'woocommerce-gateway-stripe' ) . '</a>',
+				'<a href="admin.php?page=wc-settings&tab=checkout&section=stripe">' . esc_html__('Settings', 'woocommerce-gateway-stripe') . '</a>',
+				'<a href="https://docs.woocommerce.com/document/stripe/">' . esc_html__('Docs', 'woocommerce-gateway-stripe') . '</a>',
+				'<a href="https://woocommerce.com/contact-us/">' . esc_html__('Support', 'woocommerce-gateway-stripe') . '</a>',
 			);
-			return array_merge( $plugin_links, $links );
+			return array_merge($plugin_links, $links);
 		}
 
 		/**
@@ -368,8 +368,8 @@ 
 		 * @since 1.0.0
 		 * @version 4.0.0
 		 */
-		public function add_gateways( $methods ) {
-			if ( class_exists( 'WC_Subscriptions_Order' ) && function_exists( 'wcs_create_renewal_order' ) || class_exists( 'WC_Pre_Orders_Order' ) ) {
+		public function add_gateways($methods) {
+			if (class_exists('WC_Subscriptions_Order') && function_exists('wcs_create_renewal_order') || class_exists('WC_Pre_Orders_Order')) {
 				$methods[] = 'WC_Stripe_Compat';
 				$methods[] = 'WC_Stripe_Sepa_Compat';
 			} else {
@@ -394,26 +394,26 @@ 
 		 * @since 4.0.0
 		 * @version 4.0.0
 		 */
-		public function filter_gateway_order_admin( $sections ) {
-			unset( $sections['stripe'] );
-			unset( $sections['stripe_bancontact'] );
-			unset( $sections['stripe_sofort'] );
-			unset( $sections['stripe_giropay'] );
-			unset( $sections['stripe_ideal'] );
-			unset( $sections['stripe_p24'] );
-			unset( $sections['stripe_alipay'] );
-			unset( $sections['stripe_sepa'] );
-			unset( $sections['stripe_bitcoin'] );
+		public function filter_gateway_order_admin($sections) {
+			unset($sections['stripe']);
+			unset($sections['stripe_bancontact']);
+			unset($sections['stripe_sofort']);
+			unset($sections['stripe_giropay']);
+			unset($sections['stripe_ideal']);
+			unset($sections['stripe_p24']);
+			unset($sections['stripe_alipay']);
+			unset($sections['stripe_sepa']);
+			unset($sections['stripe_bitcoin']);
 
 			$sections['stripe']            = 'Stripe';
-			$sections['stripe_bancontact'] = __( 'Stripe Bancontact', 'woocommerce-gateway-stripe' );
-			$sections['stripe_sofort']     = __( 'Stripe SOFORT', 'woocommerce-gateway-stripe' );
-			$sections['stripe_giropay']    = __( 'Stripe Giropay', 'woocommerce-gateway-stripe' );
-			$sections['stripe_ideal']      = __( 'Stripe iDeal', 'woocommerce-gateway-stripe' );
-			$sections['stripe_p24']        = __( 'Stripe P24', 'woocommerce-gateway-stripe' );
-			$sections['stripe_alipay']     = __( 'Stripe Alipay', 'woocommerce-gateway-stripe' );
-			$sections['stripe_sepa']       = __( 'Stripe SEPA Direct Debit', 'woocommerce-gateway-stripe' );
-			$sections['stripe_bitcoin']    = __( 'Stripe Bitcoin', 'woocommerce-gateway-stripe' );
+			$sections['stripe_bancontact'] = __('Stripe Bancontact', 'woocommerce-gateway-stripe');
+			$sections['stripe_sofort']     = __('Stripe SOFORT', 'woocommerce-gateway-stripe');
+			$sections['stripe_giropay']    = __('Stripe Giropay', 'woocommerce-gateway-stripe');
+			$sections['stripe_ideal']      = __('Stripe iDeal', 'woocommerce-gateway-stripe');
+			$sections['stripe_p24']        = __('Stripe P24', 'woocommerce-gateway-stripe');
+			$sections['stripe_alipay']     = __('Stripe Alipay', 'woocommerce-gateway-stripe');
+			$sections['stripe_sepa']       = __('Stripe SEPA Direct Debit', 'woocommerce-gateway-stripe');
+			$sections['stripe_bitcoin']    = __('Stripe Bitcoin', 'woocommerce-gateway-stripe');
 
 			return $sections;
 		}

includes/abstracts/abstract-wc-stripe-payment-gateway.php

Spacing +220 added lines, -221 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit;
 }
 
@@ -21,7 +21,7 @@ 
 	 * @since 4.0.5
 	 * @param array $error
 	 */
-	public function is_retryable_error( $error ) {
+	public function is_retryable_error($error) {
 		return (
 			'invalid_request_error' === $error->type ||
 			'idempotency_error' === $error->type ||
@@ -35,11 +35,11 @@ 
 	 * Check if this gateway is enabled
 	 */
 	public function is_available() {
-		if ( 'yes' === $this->enabled ) {
-			if ( ! $this->testmode && is_checkout() && ! is_ssl() ) {
+		if ('yes' === $this->enabled) {
+			if ( ! $this->testmode && is_checkout() && ! is_ssl()) {
 				return false;
 			}
-			if ( ! $this->secret_key || ! $this->publishable_key ) {
+			if ( ! $this->secret_key || ! $this->publishable_key) {
 				return false;
 			}
 			return true;
@@ -54,8 +54,8 @@ 
 	 * @since 4.0.0
 	 * @version 4.0.0
 	 */
-	public function add_admin_notice( $slug, $class, $message ) {
-		$this->notices[ $slug ] = array(
+	public function add_admin_notice($slug, $class, $message) {
+		$this->notices[$slug] = array(
 			'class'   => $class,
 			'message' => $message,
 		);
@@ -68,8 +68,8 @@ 
 	 * @version 4.0.0
 	 */
 	public function remove_admin_notice() {
-		if ( did_action( 'woocommerce_update_options' ) ) {
-			remove_action( 'admin_notices', array( $this, 'check_environment' ) );
+		if (did_action('woocommerce_update_options')) {
+			remove_action('admin_notices', array($this, 'check_environment'));
 		}
 	}
 
@@ -81,7 +81,7 @@ 
 	 * @return array
 	 */
 	public function payment_icons() {
-		return apply_filters( 'wc_stripe_payment_icons', array(
+		return apply_filters('wc_stripe_payment_icons', array(
 			'visa'       => '<i class="stripe-pf stripe-pf-visa stripe-pf-right" alt="Visa" aria-hidden="true"></i>',
 			'amex'       => '<i class="stripe-pf stripe-pf-american-express stripe-pf-right" alt="Amex" aria-hidden="true"></i>',
 			'mastercard' => '<i class="stripe-pf stripe-pf-mastercard stripe-pf-right" alt="Mastercard" aria-hidden="true"></i>',
@@ -98,7 +98,7 @@ 
 			'eps'        => '<i class="stripe-pf stripe-pf-eps stripe-pf-right" alt="EPS" aria-hidden="true"></i>',
 			'sofort'     => '<i class="stripe-pf stripe-pf-sofort stripe-pf-right" alt="SOFORT" aria-hidden="true"></i>',
 			'sepa'       => '<i class="stripe-pf stripe-pf-sepa stripe-pf-right" alt="SEPA" aria-hidden="true"></i>',
-		) );
+		));
 	}
 
 	/**
@@ -109,10 +109,10 @@ 
 	 * @version 4.0.0
 	 * @param object $order
 	 */
-	public function validate_minimum_order_amount( $order ) {
-		if ( $order->get_total() * 100 < WC_Stripe_Helper::get_minimum_amount() ) {
+	public function validate_minimum_order_amount($order) {
+		if ($order->get_total() * 100 < WC_Stripe_Helper::get_minimum_amount()) {
 			/* translators: 1) dollar amount */
-			throw new WC_Stripe_Exception( 'Did not meet minimum amount', sprintf( __( 'Sorry, the minimum allowed order total is %1$s to use this payment method.', 'woocommerce-gateway-stripe' ), wc_price( WC_Stripe_Helper::get_minimum_amount() / 100 ) ) );
+			throw new WC_Stripe_Exception('Did not meet minimum amount', 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)));
 		}
 	}
 
@@ -122,14 +122,14 @@ 
 	 * @since 4.0.0
 	 * @version 4.0.0
 	 */
-	public function get_transaction_url( $order ) {
-		if ( $this->testmode ) {
+	public function get_transaction_url($order) {
+		if ($this->testmode) {
 			$this->view_transaction_url = 'https://dashboard.stripe.com/test/payments/%s';
 		} else {
 			$this->view_transaction_url = 'https://dashboard.stripe.com/payments/%s';
 		}
 
-		return parent::get_transaction_url( $order );
+		return parent::get_transaction_url($order);
 	}
 
 	/**
@@ -138,15 +138,15 @@ 
 	 * @since 4.0.0
 	 * @version 4.0.0
 	 */
-	public function get_stripe_customer_id( $order ) {
-		$customer = get_user_meta( WC_Stripe_Helper::is_pre_30() ? $order->customer_user : $order->get_customer_id(), '_stripe_customer_id', true );
+	public function get_stripe_customer_id($order) {
+		$customer = get_user_meta(WC_Stripe_Helper::is_pre_30() ? $order->customer_user : $order->get_customer_id(), '_stripe_customer_id', true);
 
-		if ( empty( $customer ) ) {
+		if (empty($customer)) {
 			// Try to get it via the order.
-			if ( WC_Stripe_Helper::is_pre_30() ) {
-				return get_post_meta( $order->id, '_stripe_customer_id', true );
+			if (WC_Stripe_Helper::is_pre_30()) {
+				return get_post_meta($order->id, '_stripe_customer_id', true);
 			} else {
-				return $order->get_meta( '_stripe_customer_id', true );
+				return $order->get_meta('_stripe_customer_id', true);
 			}
 		} else {
 			return $customer;
@@ -163,9 +163,9 @@ 
 	 * @param object $order
 	 * @param int $id Stripe session id.
 	 */
-	public function get_stripe_return_url( $order = null, $id = null ) {
-		if ( is_object( $order ) ) {
-			if ( empty( $id ) ) {
+	public function get_stripe_return_url($order = null, $id = null) {
+		if (is_object($order)) {
+			if (empty($id)) {
 				$id = uniqid();
 			}
 
@@ -176,10 +176,10 @@ 
 				'order_id'       => $order_id,
 			);
 
-			return esc_url_raw( add_query_arg( $args, $this->get_return_url( $order ) ) );
+			return esc_url_raw(add_query_arg($args, $this->get_return_url($order)));
 		}
 
-		return esc_url_raw( add_query_arg( array( 'utm_nooverride' => '1' ), $this->get_return_url() ) );
+		return esc_url_raw(add_query_arg(array('utm_nooverride' => '1'), $this->get_return_url()));
 	}
 
 	/**
@@ -187,8 +187,8 @@ 
 	 * @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)));
 	}
 
 	/**
@@ -200,34 +200,33 @@ 
 	 * @param  object $prepared_source
 	 * @return array()
 	 */
-	public function generate_payment_request( $order, $prepared_source ) {
-		$settings                          = get_option( 'woocommerce_stripe_settings', array() );
-		$statement_descriptor              = ! empty( $settings['statement_descriptor'] ) ? str_replace( "'", '', $settings['statement_descriptor'] ) : '';
-		$capture                           = ! empty( $settings['capture'] ) && 'yes' === $settings['capture'] ? true : false;
+	public function generate_payment_request($order, $prepared_source) {
+		$settings                          = get_option('woocommerce_stripe_settings', array());
+		$statement_descriptor              = ! empty($settings['statement_descriptor']) ? str_replace("'", '', $settings['statement_descriptor']) : '';
+		$capture                           = ! empty($settings['capture']) && 'yes' === $settings['capture'] ? true : false;
 		$post_data                         = array();
-		$post_data['currency']             = strtolower( WC_Stripe_Helper::is_pre_30() ? $order->get_order_currency() : $order->get_currency() );
-		$post_data['amount']               = WC_Stripe_Helper::get_stripe_amount( $order->get_total(), $post_data['currency'] );
+		$post_data['currency']             = strtolower(WC_Stripe_Helper::is_pre_30() ? $order->get_order_currency() : $order->get_currency());
+		$post_data['amount']               = WC_Stripe_Helper::get_stripe_amount($order->get_total(), $post_data['currency']);
 		/* translators: 1) blog name 2) order number */
-		$post_data['description']          = sprintf( __( '%1$s - Order %2$s', 'woocommerce-gateway-stripe' ), wp_specialchars_decode( get_bloginfo( 'name' ), ENT_QUOTES ), $order->get_order_number() );
+		$post_data['description']          = sprintf(__('%1$s - Order %2$s', 'woocommerce-gateway-stripe'), wp_specialchars_decode(get_bloginfo('name'), ENT_QUOTES), $order->get_order_number());
 		$billing_email      = WC_Stripe_Helper::is_pre_30() ? $order->billing_email : $order->get_billing_email();
 		$billing_first_name = WC_Stripe_Helper::is_pre_30() ? $order->billing_first_name : $order->get_billing_first_name();
 		$billing_last_name  = WC_Stripe_Helper::is_pre_30() ? $order->billing_last_name : $order->get_billing_last_name();
 
-		if ( ! empty( $billing_email ) && apply_filters( 'wc_stripe_send_stripe_receipt', false ) ) {
+		if ( ! empty($billing_email) && apply_filters('wc_stripe_send_stripe_receipt', false)) {
 			$post_data['receipt_email'] = $billing_email;
 		}
 
-		switch ( WC_Stripe_Helper::is_pre_30() ? $order->payment_method : $order->get_payment_method() ) {
-			case 'stripe':
-				if ( ! empty( $statement_descriptor ) ) {
-					$post_data['statement_descriptor'] = WC_Stripe_Helper::clean_statement_descriptor( $statement_descriptor );
+		switch (WC_Stripe_Helper::is_pre_30() ? $order->payment_method : $order->get_payment_method()) {
+			case 'stripe' : if ( ! empty($statement_descriptor)) {
+					$post_data['statement_descriptor'] = WC_Stripe_Helper::clean_statement_descriptor($statement_descriptor);
 				}
 
 				$post_data['capture'] = $capture ? 'true' : 'false';
 				break;
 			case 'stripe_sepa':
-				if ( ! empty( $statement_descriptor ) ) {
-					$post_data['statement_descriptor'] = WC_Stripe_Helper::clean_statement_descriptor( $statement_descriptor );
+				if ( ! empty($statement_descriptor)) {
+					$post_data['statement_descriptor'] = WC_Stripe_Helper::clean_statement_descriptor($statement_descriptor);
 				}
 				break;
 		}
@@ -235,25 +234,25 @@ 
 		$post_data['expand[]'] = 'balance_transaction';
 
 		$metadata = array(
-			__( 'customer_name', 'woocommerce-gateway-stripe' ) => sanitize_text_field( $billing_first_name ) . ' ' . sanitize_text_field( $billing_last_name ),
-			__( 'customer_email', 'woocommerce-gateway-stripe' ) => sanitize_email( $billing_email ),
+			__('customer_name', 'woocommerce-gateway-stripe') => sanitize_text_field($billing_first_name) . ' ' . sanitize_text_field($billing_last_name),
+			__('customer_email', 'woocommerce-gateway-stripe') => sanitize_email($billing_email),
 			'order_id' => WC_Stripe_Helper::is_pre_30() ? $order->id : $order->get_id(),
 		);
 
-		if ( $this->has_subscription( WC_Stripe_Helper::is_pre_30() ? $order->id : $order->get_id() ) ) {
+		if ($this->has_subscription(WC_Stripe_Helper::is_pre_30() ? $order->id : $order->get_id())) {
 			$metadata += array(
 				'payment_type' => 'recurring',
-				'site_url'     => esc_url( get_site_url() ),
+				'site_url'     => esc_url(get_site_url()),
 			);
 		}
 
-		$post_data['metadata'] = apply_filters( 'wc_stripe_payment_metadata', $metadata, $order, $prepared_source );
+		$post_data['metadata'] = apply_filters('wc_stripe_payment_metadata', $metadata, $order, $prepared_source);
 
-		if ( $prepared_source->customer ) {
+		if ($prepared_source->customer) {
 			$post_data['customer'] = $prepared_source->customer;
 		}
 
-		if ( $prepared_source->source ) {
+		if ($prepared_source->source) {
 			$post_data['source'] = $prepared_source->source;
 		}
 
@@ -265,79 +264,79 @@ 
 		 * @param WC_Order $order
 		 * @param object $source
 		 */
-		return apply_filters( 'wc_stripe_generate_payment_request', $post_data, $order, $prepared_source );
+		return apply_filters('wc_stripe_generate_payment_request', $post_data, $order, $prepared_source);
 	}
 
 	/**
 	 * Store extra meta data for an order from a Stripe Response.
 	 */
-	public function process_response( $response, $order ) {
-		WC_Stripe_Logger::log( 'Processing response: ' . print_r( $response, true ) );
+	public function process_response($response, $order) {
+		WC_Stripe_Logger::log('Processing response: ' . print_r($response, true));
 
 		$order_id = WC_Stripe_Helper::is_pre_30() ? $order->id : $order->get_id();
 
-		$captured = ( isset( $response->captured ) && $response->captured ) ? 'yes' : 'no';
+		$captured = (isset($response->captured) && $response->captured) ? 'yes' : 'no';
 
 		// Store charge data.
-		WC_Stripe_Helper::is_pre_30() ? update_post_meta( $order_id, '_stripe_charge_captured', $captured ) : $order->update_meta_data( '_stripe_charge_captured', $captured );
+		WC_Stripe_Helper::is_pre_30() ? update_post_meta($order_id, '_stripe_charge_captured', $captured) : $order->update_meta_data('_stripe_charge_captured', $captured);
 
 		// Store other data such as fees.
-		if ( isset( $response->balance_transaction ) && isset( $response->balance_transaction->fee ) ) {
+		if (isset($response->balance_transaction) && isset($response->balance_transaction->fee)) {
 			// Fees and Net needs to both come from Stripe to be accurate as the returned
 			// values are in the local currency of the Stripe account, not from WC.
-			$fee = ! empty( $response->balance_transaction->fee ) ? WC_Stripe_Helper::format_balance_fee( $response->balance_transaction, 'fee' ) : 0;
-			$net = ! empty( $response->balance_transaction->net ) ? WC_Stripe_Helper::format_balance_fee( $response->balance_transaction, 'net' ) : 0;
-			WC_Stripe_Helper::is_pre_30() ? update_post_meta( $order_id, self::META_NAME_FEE, $fee ) : $order->update_meta_data( self::META_NAME_FEE, $fee );
-			WC_Stripe_Helper::is_pre_30() ? update_post_meta( $order_id, self::META_NAME_NET, $net ) : $order->update_meta_data( self::META_NAME_NET, $net );
+			$fee = ! empty($response->balance_transaction->fee) ? WC_Stripe_Helper::format_balance_fee($response->balance_transaction, 'fee') : 0;
+			$net = ! empty($response->balance_transaction->net) ? WC_Stripe_Helper::format_balance_fee($response->balance_transaction, 'net') : 0;
+			WC_Stripe_Helper::is_pre_30() ? update_post_meta($order_id, self::META_NAME_FEE, $fee) : $order->update_meta_data(self::META_NAME_FEE, $fee);
+			WC_Stripe_Helper::is_pre_30() ? update_post_meta($order_id, self::META_NAME_NET, $net) : $order->update_meta_data(self::META_NAME_NET, $net);
 		}
 
-		if ( 'yes' === $captured ) {
+		if ('yes' === $captured) {
 			/**
 			 * Charge can be captured but in a pending state. Payment methods
 			 * that are asynchronous may take couple days to clear. Webhook will
 			 * take care of the status changes.
 			 */
-			if ( 'pending' === $response->status ) {
-				$order_stock_reduced = WC_Stripe_Helper::is_pre_30() ? get_post_meta( $order_id, '_order_stock_reduced', true ) : $order->get_meta( '_order_stock_reduced', true );
+			if ('pending' === $response->status) {
+				$order_stock_reduced = WC_Stripe_Helper::is_pre_30() ? get_post_meta($order_id, '_order_stock_reduced', true) : $order->get_meta('_order_stock_reduced', true);
 
-				if ( ! $order_stock_reduced ) {
-					WC_Stripe_Helper::is_pre_30() ? $order->reduce_order_stock() : wc_reduce_stock_levels( $order_id );
+				if ( ! $order_stock_reduced) {
+					WC_Stripe_Helper::is_pre_30() ? $order->reduce_order_stock() : wc_reduce_stock_levels($order_id);
 				}
 
-				WC_Stripe_Helper::is_pre_30() ? update_post_meta( $order_id, '_transaction_id', $response->id ) : $order->set_transaction_id( $response->id );
+				WC_Stripe_Helper::is_pre_30() ? update_post_meta($order_id, '_transaction_id', $response->id) : $order->set_transaction_id($response->id);
 				/* translators: transaction id */
-				$order->update_status( 'on-hold', sprintf( __( 'Stripe charge awaiting payment: %s.', 'woocommerce-gateway-stripe' ), $response->id ) );
+				$order->update_status('on-hold', sprintf(__('Stripe charge awaiting payment: %s.', 'woocommerce-gateway-stripe'), $response->id));
 			}
 
-			if ( 'succeeded' === $response->status ) {
-				$order->payment_complete( $response->id );
+			if ('succeeded' === $response->status) {
+				$order->payment_complete($response->id);
 
 				/* translators: transaction id */
-				$message = sprintf( __( 'Stripe charge complete (Charge ID: %s)', 'woocommerce-gateway-stripe' ), $response->id );
-				$order->add_order_note( $message );
+				$message = sprintf(__('Stripe charge complete (Charge ID: %s)', 'woocommerce-gateway-stripe'), $response->id);
+				$order->add_order_note($message);
 			}
 
-			if ( 'failed' === $response->status ) {
-				$localized_message = __( 'Payment processing failed. Please retry.', 'woocommerce-gateway-stripe' );
-				$order->add_order_note( $localized_message );
-				throw new WC_Stripe_Exception( print_r( $response, true ), $localized_message );
+			if ('failed' === $response->status) {
+				$localized_message = __('Payment processing failed. Please retry.', 'woocommerce-gateway-stripe');
+				$order->add_order_note($localized_message);
+				throw new WC_Stripe_Exception(print_r($response, true), $localized_message);
 			}
 		} else {
-			WC_Stripe_Helper::is_pre_30() ? update_post_meta( $order_id, '_transaction_id', $response->id ) : $order->set_transaction_id( $response->id );
+			WC_Stripe_Helper::is_pre_30() ? update_post_meta($order_id, '_transaction_id', $response->id) : $order->set_transaction_id($response->id);
 
-			if ( $order->has_status( array( 'pending', 'failed' ) ) ) {
-				WC_Stripe_Helper::is_pre_30() ? $order->reduce_order_stock() : wc_reduce_stock_levels( $order_id );
+			if ($order->has_status(array('pending', 'failed'))) {
+				WC_Stripe_Helper::is_pre_30() ? $order->reduce_order_stock() : wc_reduce_stock_levels($order_id);
 			}
 
 			/* translators: transaction id */
-			$order->update_status( 'on-hold', sprintf( __( 'Stripe charge authorized (Charge ID: %s). Process order to take payment, or cancel to remove the pre-authorization.', 'woocommerce-gateway-stripe' ), $response->id ) );
+			$order->update_status('on-hold', sprintf(__('Stripe charge authorized (Charge ID: %s). Process order to take payment, or cancel to remove the pre-authorization.', 'woocommerce-gateway-stripe'), $response->id));
 		}
 
-		if ( is_callable( array( $order, 'save' ) ) ) {
+		if (is_callable(array($order, 'save'))) {
 			$order->save();
 		}
 
-		do_action( 'wc_gateway_stripe_process_response', $response, $order );
+		do_action('wc_gateway_stripe_process_response', $response, $order);
 
 		return $response;
 	}
@@ -350,10 +349,10 @@ 
 	 * @param int $order_id
 	 * @return null
 	 */
-	public function send_failed_order_email( $order_id ) {
+	public function send_failed_order_email($order_id) {
 		$emails = WC()->mailer()->get_emails();
-		if ( ! empty( $emails ) && ! empty( $order_id ) ) {
-			$emails['WC_Email_Failed_Order']->trigger( $order_id );
+		if ( ! empty($emails) && ! empty($order_id)) {
+			$emails['WC_Email_Failed_Order']->trigger($order_id);
 		}
 	}
 
@@ -365,7 +364,7 @@ 
 	 * @param object $order
 	 * @return object $details
 	 */
-	public function get_owner_details( $order ) {
+	public function get_owner_details($order) {
 		$billing_first_name = WC_Stripe_Helper::is_pre_30() ? $order->billing_first_name : $order->get_billing_first_name();
 		$billing_last_name  = WC_Stripe_Helper::is_pre_30() ? $order->billing_last_name : $order->get_billing_last_name();
 
@@ -376,8 +375,8 @@ 
 
 		$phone                             = WC_Stripe_Helper::is_pre_30() ? $order->billing_phone : $order->get_billing_phone();
 
-		if ( ! empty( $phone ) ) {
-			$details['phone']              = $phone;
+		if ( ! empty($phone)) {
+			$details['phone'] = $phone;
 		}
 
 		$details['address']['line1']       = WC_Stripe_Helper::is_pre_30() ? $order->billing_address_1 : $order->get_billing_address_1();
@@ -387,7 +386,7 @@ 
 		$details['address']['postal_code'] = WC_Stripe_Helper::is_pre_30() ? $order->billing_postcode : $order->get_billing_postcode();
 		$details['address']['country']     = WC_Stripe_Helper::is_pre_30() ? $order->billing_country : $order->get_billing_country();
 
-		return (object) apply_filters( 'wc_stripe_owner_details', $details, $order );
+		return (object) apply_filters('wc_stripe_owner_details', $details, $order);
 	}
 
 	/**
@@ -396,15 +395,15 @@ 
 	 * @since 4.0.3
 	 * @param string $source_id The source ID to get source object for.
 	 */
-	public function get_source_object( $source_id = '' ) {
-		if ( empty( $source_id ) ) {
+	public function get_source_object($source_id = '') {
+		if (empty($source_id)) {
 			return '';
 		}
 
-		$source_object = WC_Stripe_API::retrieve( 'sources/' . $source_id );
+		$source_object = WC_Stripe_API::retrieve('sources/' . $source_id);
 
-		if ( ! empty( $source_object->error ) ) {
-			throw new WC_Stripe_Exception( print_r( $source_object, true ), $source_object->error->message );
+		if ( ! empty($source_object->error)) {
+			throw new WC_Stripe_Exception(print_r($source_object, true), $source_object->error->message);
 		}
 
 		return $source_object;
@@ -417,11 +416,11 @@ 
 	 * @param object $source_object
 	 * @return bool
 	 */
-	public function is_3ds_required( $source_object ) {
+	public function is_3ds_required($source_object) {
 		return (
-			$source_object && ! empty( $source_object->card ) ) &&
-			( 'card' === $source_object->type && 'required' === $source_object->card->three_d_secure ||
-			( $this->three_d_secure && 'optional' === $source_object->card->three_d_secure )
+			$source_object && ! empty($source_object->card) ) &&
+			('card' === $source_object->type && 'required' === $source_object->card->three_d_secure ||
+			($this->three_d_secure && 'optional' === $source_object->card->three_d_secure)
 		);
 	}
 
@@ -432,8 +431,8 @@ 
 	 * @param object $source_object
 	 * @return bool
 	 */
-	public function is_3ds_card( $source_object ) {
-		return ( $source_object && 'three_d_secure' === $source_object->type );
+	public function is_3ds_card($source_object) {
+		return ($source_object && 'three_d_secure' === $source_object->type);
 	}
 
 	/**
@@ -443,8 +442,8 @@ 
 	 * @param object $source_object
 	 * @return bool
 	 */
-	public function is_prepaid_card( $source_object ) {
-		return ( $source_object && 'token' === $source_object->object && 'prepaid' === $source_object->card->funding );
+	public function is_prepaid_card($source_object) {
+		return ($source_object && 'token' === $source_object->object && 'prepaid' === $source_object->card->funding);
 	}
 
 	/**
@@ -457,22 +456,22 @@ 
 	 * @param string $return_url
 	 * @return mixed
 	 */
-	public function create_3ds_source( $order, $source_object, $return_url = '' ) {
+	public function create_3ds_source($order, $source_object, $return_url = '') {
 		$currency                    = WC_Stripe_Helper::is_pre_30() ? $order->get_order_currency() : $order->get_currency();
 		$order_id                    = WC_Stripe_Helper::is_pre_30() ? $order->id : $order->get_id();
-		$return_url                  = empty( $return_url ) ? $this->get_stripe_return_url( $order ) : $return_url;
+		$return_url                  = empty($return_url) ? $this->get_stripe_return_url($order) : $return_url;
 
 		$post_data                   = array();
-		$post_data['amount']         = WC_Stripe_Helper::get_stripe_amount( $order->get_total(), $currency );
-		$post_data['currency']       = strtolower( $currency );
+		$post_data['amount']         = WC_Stripe_Helper::get_stripe_amount($order->get_total(), $currency);
+		$post_data['currency']       = strtolower($currency);
 		$post_data['type']           = 'three_d_secure';
-		$post_data['owner']          = $this->get_owner_details( $order );
-		$post_data['three_d_secure'] = array( 'card' => $source_object->id );
-		$post_data['redirect']       = array( 'return_url' => $return_url );
+		$post_data['owner']          = $this->get_owner_details($order);
+		$post_data['three_d_secure'] = array('card' => $source_object->id);
+		$post_data['redirect']       = array('return_url' => $return_url);
 
-		WC_Stripe_Logger::log( 'Info: Begin creating 3DS source...' );
+		WC_Stripe_Logger::log('Info: Begin creating 3DS source...');
 
-		return WC_Stripe_API::request( apply_filters( 'wc_stripe_3ds_source', $post_data, $order ), 'sources' );
+		return WC_Stripe_API::request(apply_filters('wc_stripe_3ds_source', $post_data, $order), 'sources');
 	}
 
 	/**
@@ -488,58 +487,58 @@ 
 	 * @throws Exception When card was not added or for and invalid card.
 	 * @return object
 	 */
-	public function prepare_source( $user_id, $force_save_source = false ) {
-		$customer           = new WC_Stripe_Customer( $user_id );
+	public function prepare_source($user_id, $force_save_source = false) {
+		$customer           = new WC_Stripe_Customer($user_id);
 		$set_customer       = true;
-		$force_save_source  = apply_filters( 'wc_stripe_force_save_source', $force_save_source, $customer );
+		$force_save_source  = apply_filters('wc_stripe_force_save_source', $force_save_source, $customer);
 		$source_object      = '';
 		$source_id          = '';
 		$wc_token_id        = false;
-		$payment_method     = isset( $_POST['payment_method'] ) ? wc_clean( $_POST['payment_method'] ) : 'stripe';
+		$payment_method     = isset($_POST['payment_method']) ? wc_clean($_POST['payment_method']) : 'stripe';
 		$is_token           = false;
 
 		// New CC info was entered and we have a new source to process.
-		if ( ! empty( $_POST['stripe_source'] ) ) {
-			$source_object = self::get_source_object( wc_clean( $_POST['stripe_source'] ) );
+		if ( ! empty($_POST['stripe_source'])) {
+			$source_object = self::get_source_object(wc_clean($_POST['stripe_source']));
 			$source_id     = $source_object->id;
 
 			// This checks to see if customer opted to save the payment method to file.
-			$maybe_saved_card = isset( $_POST[ 'wc-' . $payment_method . '-new-payment-method' ] ) && ! empty( $_POST[ 'wc-' . $payment_method . '-new-payment-method' ] );
+			$maybe_saved_card = isset($_POST['wc-' . $payment_method . '-new-payment-method']) && ! empty($_POST['wc-' . $payment_method . '-new-payment-method']);
 
 			/**
 			 * This is true if the user wants to store the card to their account.
 			 * Criteria to save to file is they are logged in, they opted to save or product requirements and the source is
 			 * actually reusable. Either that or force_save_source is true.
 			 */
-			if ( ( $user_id && $this->saved_cards && $maybe_saved_card && 'reusable' === $source_object->usage ) || $force_save_source ) {
-				$response = $customer->add_source( $source_object->id );
+			if (($user_id && $this->saved_cards && $maybe_saved_card && 'reusable' === $source_object->usage) || $force_save_source) {
+				$response = $customer->add_source($source_object->id);
 
-				if ( ! empty( $response->error ) ) {
-					throw new WC_Stripe_Exception( print_r( $response, true ), $response->error->message );
+				if ( ! empty($response->error)) {
+					throw new WC_Stripe_Exception(print_r($response, true), $response->error->message);
 				}
 			}
-		} elseif ( isset( $_POST[ 'wc-' . $payment_method . '-payment-token' ] ) && 'new' !== $_POST[ 'wc-' . $payment_method . '-payment-token' ] ) {
+		} elseif (isset($_POST['wc-' . $payment_method . '-payment-token']) && 'new' !== $_POST['wc-' . $payment_method . '-payment-token']) {
 			// Use an existing token, and then process the payment.
-			$wc_token_id = wc_clean( $_POST[ 'wc-' . $payment_method . '-payment-token' ] );
-			$wc_token    = WC_Payment_Tokens::get( $wc_token_id );
+			$wc_token_id = wc_clean($_POST['wc-' . $payment_method . '-payment-token']);
+			$wc_token    = WC_Payment_Tokens::get($wc_token_id);
 
-			if ( ! $wc_token || $wc_token->get_user_id() !== get_current_user_id() ) {
-				WC()->session->set( 'refresh_totals', true );
-				throw new WC_Stripe_Exception( 'Invalid payment method', __( 'Invalid payment method. Please input a new card number.', 'woocommerce-gateway-stripe' ) );
+			if ( ! $wc_token || $wc_token->get_user_id() !== get_current_user_id()) {
+				WC()->session->set('refresh_totals', true);
+				throw new WC_Stripe_Exception('Invalid payment method', __('Invalid payment method. Please input a new card number.', 'woocommerce-gateway-stripe'));
 			}
 
 			$source_id = $wc_token->get_token();
 			$is_token  = true;
-		} elseif ( isset( $_POST['stripe_token'] ) && 'new' !== $_POST['stripe_token'] ) {
-			$stripe_token     = wc_clean( $_POST['stripe_token'] );
-			$maybe_saved_card = isset( $_POST[ 'wc-' . $payment_method . '-new-payment-method' ] ) && ! empty( $_POST[ 'wc-' . $payment_method . '-new-payment-method' ] );
+		} elseif (isset($_POST['stripe_token']) && 'new' !== $_POST['stripe_token']) {
+			$stripe_token     = wc_clean($_POST['stripe_token']);
+			$maybe_saved_card = isset($_POST['wc-' . $payment_method . '-new-payment-method']) && ! empty($_POST['wc-' . $payment_method . '-new-payment-method']);
 
 			// This is true if the user wants to store the card to their account.
-			if ( ( $user_id && $this->saved_cards && $maybe_saved_card ) || $force_save_source ) {
-				$response = $customer->add_source( $stripe_token );
+			if (($user_id && $this->saved_cards && $maybe_saved_card) || $force_save_source) {
+				$response = $customer->add_source($stripe_token);
 
-				if ( ! empty( $response->error ) ) {
-					throw new WC_Stripe_Exception( print_r( $response, true ), $response->error->message );
+				if ( ! empty($response->error)) {
+					throw new WC_Stripe_Exception(print_r($response, true), $response->error->message);
 				}
 			} else {
 				$set_customer = false;
@@ -548,14 +547,14 @@ 
 			}
 		}
 
-		if ( ! $set_customer ) {
+		if ( ! $set_customer) {
 			$customer_id = false;
 		} else {
 			$customer_id = $customer->get_id() ? $customer->get_id() : false;
 		}
 
-		if ( empty( $source_object ) && ! $is_token ) {
-			$source_object = self::get_source_object( $source_id );
+		if (empty($source_object) && ! $is_token) {
+			$source_object = self::get_source_object($source_id);
 		}
 
 		return (object) array(
@@ -579,37 +578,37 @@ 
 	 * @param object $order
 	 * @return object
 	 */
-	public function prepare_order_source( $order = null ) {
+	public function prepare_order_source($order = null) {
 		$stripe_customer = new WC_Stripe_Customer();
 		$stripe_source   = false;
 		$token_id        = false;
 
-		if ( $order ) {
+		if ($order) {
 			$order_id = WC_Stripe_Helper::is_pre_30() ? $order->id : $order->get_id();
 
-			$stripe_customer_id = get_post_meta( $order_id, '_stripe_customer_id', true );
+			$stripe_customer_id = get_post_meta($order_id, '_stripe_customer_id', true);
 
-			if ( $stripe_customer_id ) {
-				$stripe_customer->set_id( $stripe_customer_id );
+			if ($stripe_customer_id) {
+				$stripe_customer->set_id($stripe_customer_id);
 			}
 
-			$source_id = WC_Stripe_Helper::is_pre_30() ? get_post_meta( $order_id, '_stripe_source_id', true ) : $order->get_meta( '_stripe_source_id', true );
+			$source_id = WC_Stripe_Helper::is_pre_30() ? get_post_meta($order_id, '_stripe_source_id', true) : $order->get_meta('_stripe_source_id', true);
 
 			// Since 4.0.0, we changed card to source so we need to account for that.
-			if ( empty( $source_id ) ) {
-				$source_id = WC_Stripe_Helper::is_pre_30() ? get_post_meta( $order_id, '_stripe_card_id', true ) : $order->get_meta( '_stripe_card_id', true );
+			if (empty($source_id)) {
+				$source_id = WC_Stripe_Helper::is_pre_30() ? get_post_meta($order_id, '_stripe_card_id', true) : $order->get_meta('_stripe_card_id', true);
 
 				// Take this opportunity to update the key name.
-				WC_Stripe_Helper::is_pre_30() ? update_post_meta( $order_id, '_stripe_source_id', $source_id ) : $order->update_meta_data( '_stripe_source_id', $source_id );
+				WC_Stripe_Helper::is_pre_30() ? update_post_meta($order_id, '_stripe_source_id', $source_id) : $order->update_meta_data('_stripe_source_id', $source_id);
 
-				if ( is_callable( array( $order, 'save' ) ) ) {
+				if (is_callable(array($order, 'save'))) {
 					$order->save();
 				}
 			}
 
-			if ( $source_id ) {
+			if ($source_id) {
 				$stripe_source = $source_id;
-			} elseif ( apply_filters( 'wc_stripe_use_default_customer_source', true ) ) {
+			} elseif (apply_filters('wc_stripe_use_default_customer_source', true)) {
 				/*
 				 * We can attempt to charge the customer's default source
 				 * by sending empty source id.
@@ -633,27 +632,27 @@ 
 	 * @param WC_Order $order For to which the source applies.
 	 * @param stdClass $source Source information.
 	 */
-	public function save_source_to_order( $order, $source ) {
+	public function save_source_to_order($order, $source) {
 		$order_id = WC_Stripe_Helper::is_pre_30() ? $order->id : $order->get_id();
 
 		// Store source in the order.
-		if ( $source->customer ) {
-			if ( WC_Stripe_Helper::is_pre_30() ) {
-				update_post_meta( $order_id, '_stripe_customer_id', $source->customer );
+		if ($source->customer) {
+			if (WC_Stripe_Helper::is_pre_30()) {
+				update_post_meta($order_id, '_stripe_customer_id', $source->customer);
 			} else {
-				$order->update_meta_data( '_stripe_customer_id', $source->customer );
+				$order->update_meta_data('_stripe_customer_id', $source->customer);
 			}
 		}
 
-		if ( $source->source ) {
-			if ( WC_Stripe_Helper::is_pre_30() ) {
-				update_post_meta( $order_id, '_stripe_source_id', $source->source );
+		if ($source->source) {
+			if (WC_Stripe_Helper::is_pre_30()) {
+				update_post_meta($order_id, '_stripe_source_id', $source->source);
 			} else {
-				$order->update_meta_data( '_stripe_source_id', $source->source );
+				$order->update_meta_data('_stripe_source_id', $source->source);
 			}
 		}
 
-		if ( is_callable( array( $order, 'save' ) ) ) {
+		if (is_callable(array($order, 'save'))) {
 			$order->save();
 		}
 	}
@@ -667,35 +666,35 @@ 
 	 * @param object $order The order object
 	 * @param int $balance_transaction_id
 	 */
-	public function update_fees( $order, $balance_transaction_id ) {
+	public function update_fees($order, $balance_transaction_id) {
 		$order_id = WC_Stripe_Helper::is_pre_30() ? $order->id : $order->get_id();
 
-		$balance_transaction = WC_Stripe_API::retrieve( 'balance/history/' . $balance_transaction_id );
+		$balance_transaction = WC_Stripe_API::retrieve('balance/history/' . $balance_transaction_id);
 
-		if ( empty( $balance_transaction->error ) ) {
-			if ( isset( $balance_transaction ) && isset( $balance_transaction->fee ) ) {
+		if (empty($balance_transaction->error)) {
+			if (isset($balance_transaction) && isset($balance_transaction->fee)) {
 				// Fees and Net needs to both come from Stripe to be accurate as the returned
 				// values are in the local currency of the Stripe account, not from WC.
-				$fee_refund = ! empty( $balance_transaction->fee ) ? WC_Stripe_Helper::format_balance_fee( $balance_transaction, 'fee' ) : 0;
-				$net_refund = ! empty( $balance_transaction->net ) ? WC_Stripe_Helper::format_balance_fee( $balance_transaction, 'net' ) : 0;
+				$fee_refund = ! empty($balance_transaction->fee) ? WC_Stripe_Helper::format_balance_fee($balance_transaction, 'fee') : 0;
+				$net_refund = ! empty($balance_transaction->net) ? WC_Stripe_Helper::format_balance_fee($balance_transaction, 'net') : 0;
 
 				// Current data fee & net.
-				$fee_current = WC_Stripe_Helper::is_pre_30() ? get_post_meta( $order_id, self::META_NAME_FEE, true ) : $order->get_meta( self::META_NAME_FEE, true );
-				$net_current = WC_Stripe_Helper::is_pre_30() ? get_post_meta( $order_id, self::META_NAME_NET, true ) : $order->get_meta( self::META_NAME_NET, true );
+				$fee_current = WC_Stripe_Helper::is_pre_30() ? get_post_meta($order_id, self::META_NAME_FEE, true) : $order->get_meta(self::META_NAME_FEE, true);
+				$net_current = WC_Stripe_Helper::is_pre_30() ? get_post_meta($order_id, self::META_NAME_NET, true) : $order->get_meta(self::META_NAME_NET, true);
 
 				// Calculation.
 				$fee = (float) $fee_current + (float) $fee_refund;
 				$net = (float) $net_current + (float) $net_refund;
 
-				WC_Stripe_Helper::is_pre_30() ? update_post_meta( $order_id, self::META_NAME_FEE, $fee ) : $order->update_meta_data( self::META_NAME_FEE, $fee );
-				WC_Stripe_Helper::is_pre_30() ? update_post_meta( $order_id, self::META_NAME_NET, $net ) : $order->update_meta_data( self::META_NAME_NET, $net );
+				WC_Stripe_Helper::is_pre_30() ? update_post_meta($order_id, self::META_NAME_FEE, $fee) : $order->update_meta_data(self::META_NAME_FEE, $fee);
+				WC_Stripe_Helper::is_pre_30() ? update_post_meta($order_id, self::META_NAME_NET, $net) : $order->update_meta_data(self::META_NAME_NET, $net);
 
-				if ( is_callable( array( $order, 'save' ) ) ) {
+				if (is_callable(array($order, 'save'))) {
 					$order->save();
 				}
 			}
 		} else {
-			WC_Stripe_Logger::log( "Unable to update fees/net meta for order: {$order_id}" );
+			WC_Stripe_Logger::log("Unable to update fees/net meta for order: {$order_id}");
 		}
 	}
 
@@ -708,33 +707,33 @@ 
 	 * @param  float $amount
 	 * @return bool
 	 */
-	public function process_refund( $order_id, $amount = null, $reason = '' ) {
-		$order = wc_get_order( $order_id );
+	public function process_refund($order_id, $amount = null, $reason = '') {
+		$order = wc_get_order($order_id);
 
-		if ( ! $order || ! $order->get_transaction_id() ) {
+		if ( ! $order || ! $order->get_transaction_id()) {
 			return false;
 		}
 
 		$request = array();
 
-		if ( WC_Stripe_Helper::is_pre_30() ) {
-			$order_currency = get_post_meta( $order_id, '_order_currency', true );
-			$captured       = get_post_meta( $order_id, '_stripe_charge_captured', true );
+		if (WC_Stripe_Helper::is_pre_30()) {
+			$order_currency = get_post_meta($order_id, '_order_currency', true);
+			$captured       = get_post_meta($order_id, '_stripe_charge_captured', true);
 		} else {
 			$order_currency = $order->get_currency();
-			$captured       = $order->get_meta( '_stripe_charge_captured', true );
+			$captured       = $order->get_meta('_stripe_charge_captured', true);
 		}
 
-		if ( ! is_null( $amount ) ) {
-			$request['amount'] = WC_Stripe_Helper::get_stripe_amount( $amount, $order_currency );
+		if ( ! is_null($amount)) {
+			$request['amount'] = WC_Stripe_Helper::get_stripe_amount($amount, $order_currency);
 		}
 
 		// If order is only authorized, don't pass amount.
-		if ( 'yes' !== $captured ) {
-			unset( $request['amount'] );
+		if ('yes' !== $captured) {
+			unset($request['amount']);
 		}
 
-		if ( $reason ) {
+		if ($reason) {
 			$request['metadata'] = array(
 				'reason' => $reason,
 			);
@@ -742,35 +741,35 @@ 
 
 		$request['charge'] = $order->get_transaction_id();
 
-		WC_Stripe_Logger::log( "Info: Beginning refund for order {$order->get_transaction_id()} for the amount of {$amount}" );
+		WC_Stripe_Logger::log("Info: Beginning refund for order {$order->get_transaction_id()} for the amount of {$amount}");
 
-		$request = apply_filters( 'wc_stripe_refund_request', $request, $order );
+		$request = apply_filters('wc_stripe_refund_request', $request, $order);
 
-		$response = WC_Stripe_API::request( $request, 'refunds' );
+		$response = WC_Stripe_API::request($request, 'refunds');
 
-		if ( ! empty( $response->error ) ) {
-			WC_Stripe_Logger::log( 'Error: ' . $response->error->message );
+		if ( ! empty($response->error)) {
+			WC_Stripe_Logger::log('Error: ' . $response->error->message);
 
 			return $response;
 
-		} elseif ( ! empty( $response->id ) ) {
-			WC_Stripe_Helper::is_pre_30() ? update_post_meta( $order_id, '_stripe_refund_id', $response->id ) : $order->update_meta_data( '_stripe_refund_id', $response->id );
+		} elseif ( ! empty($response->id)) {
+			WC_Stripe_Helper::is_pre_30() ? update_post_meta($order_id, '_stripe_refund_id', $response->id) : $order->update_meta_data('_stripe_refund_id', $response->id);
 
-			$amount = wc_price( $response->amount / 100 );
+			$amount = wc_price($response->amount / 100);
 
-			if ( in_array( strtolower( $order->get_currency() ), WC_Stripe_Helper::no_decimal_currencies() ) ) {
-				$amount = wc_price( $response->amount );
+			if (in_array(strtolower($order->get_currency()), WC_Stripe_Helper::no_decimal_currencies())) {
+				$amount = wc_price($response->amount);
 			}
 
-			if ( isset( $response->balance_transaction ) ) {
-				$this->update_fees( $order, $response->balance_transaction );
+			if (isset($response->balance_transaction)) {
+				$this->update_fees($order, $response->balance_transaction);
 			}
 
 			/* translators: 1) dollar amount 2) transaction id 3) refund message */
-			$refund_message = ( isset( $captured ) && 'yes' === $captured ) ? sprintf( __( 'Refunded %1$s - Refund ID: %2$s - Reason: %3$s', 'woocommerce-gateway-stripe' ), $amount, $response->id, $reason ) : __( 'Pre-Authorization Released', 'woocommerce-gateway-stripe' );
+			$refund_message = (isset($captured) && 'yes' === $captured) ? sprintf(__('Refunded %1$s - Refund ID: %2$s - Reason: %3$s', 'woocommerce-gateway-stripe'), $amount, $response->id, $reason) : __('Pre-Authorization Released', 'woocommerce-gateway-stripe');
 
-			$order->add_order_note( $refund_message );
-			WC_Stripe_Logger::log( 'Success: ' . html_entity_decode( strip_tags( $refund_message ) ) );
+			$order->add_order_note($refund_message);
+			WC_Stripe_Logger::log('Success: ' . html_entity_decode(strip_tags($refund_message)));
 
 			return true;
 		}
@@ -785,44 +784,44 @@ 
 	 */
 	public function add_payment_method() {
 		$error     = false;
-		$error_msg = __( 'There was a problem adding the card.', 'woocommerce-gateway-stripe' );
+		$error_msg = __('There was a problem adding the card.', 'woocommerce-gateway-stripe');
 		$source_id = '';
 
-		if ( empty( $_POST['stripe_source'] ) && empty( $_POST['stripe_token'] ) || ! is_user_logged_in() ) {
+		if (empty($_POST['stripe_source']) && empty($_POST['stripe_token']) || ! is_user_logged_in()) {
 			$error = true;
 		}
 
-		$stripe_customer = new WC_Stripe_Customer( get_current_user_id() );
+		$stripe_customer = new WC_Stripe_Customer(get_current_user_id());
 
-		$source = ! empty( $_POST['stripe_source'] ) ? wc_clean( $_POST['stripe_source'] ) : '';
+		$source = ! empty($_POST['stripe_source']) ? wc_clean($_POST['stripe_source']) : '';
 
-		$source_object = WC_Stripe_API::retrieve( 'sources/' . $source );
+		$source_object = WC_Stripe_API::retrieve('sources/' . $source);
 
-		if ( isset( $source_object ) ) {
-			if ( ! empty( $source_object->error ) ) {
+		if (isset($source_object)) {
+			if ( ! empty($source_object->error)) {
 				$error = true;
 			}
 
 			$source_id = $source_object->id;
-		} elseif ( isset( $_POST['stripe_token'] ) ) {
-			$source_id = wc_clean( $_POST['stripe_token'] );
+		} elseif (isset($_POST['stripe_token'])) {
+			$source_id = wc_clean($_POST['stripe_token']);
 		}
 
-		$response = $stripe_customer->add_source( $source_id );
+		$response = $stripe_customer->add_source($source_id);
 
-		if ( ! $response || is_wp_error( $response ) || ! empty( $response->error ) ) {
+		if ( ! $response || is_wp_error($response) || ! empty($response->error)) {
 			$error = true;
 		}
 
-		if ( $error ) {
-			wc_add_notice( $error_msg, 'error' );
-			WC_Stripe_Logger::log( 'Add payment method Error: ' . $error_msg );
+		if ($error) {
+			wc_add_notice($error_msg, 'error');
+			WC_Stripe_Logger::log('Add payment method Error: ' . $error_msg);
 			return;
 		}
 
 		return array(
 			'result'   => 'success',
-			'redirect' => wc_get_endpoint_url( 'payment-methods' ),
+			'redirect' => wc_get_endpoint_url('payment-methods'),
 		);
 	}
 
@@ -839,10 +838,10 @@ 
 		 * Stripe expects Norwegian to only be passed NO.
 		 * But WP has different dialects.
 		 */
-		if ( 'NO' === substr( $locale, 3, 2 ) ) {
+		if ('NO' === substr($locale, 3, 2)) {
 			$locale = 'no';
 		} else {
-			$locale = substr( get_locale(), 0, 2 );
+			$locale = substr(get_locale(), 0, 2);
 		}
 
 		return $locale;
@@ -856,9 +855,9 @@ 
 	 * @param string $idempotency_key
 	 * @param array $request
 	 */
-	public function change_idempotency_key( $idempotency_key, $request ) {
-		$customer = ! empty( $request['customer'] ) ? $request['customer'] : '';
-		$source   = ! empty( $request['source'] ) ? $request['source'] : $customer;
+	public function change_idempotency_key($idempotency_key, $request) {
+		$customer = ! empty($request['customer']) ? $request['customer'] : '';
+		$source   = ! empty($request['source']) ? $request['source'] : $customer;
 		$count    = $this->retry_interval;
 
 		return $request['metadata']['order_id'] . '-' . $count . '-' . $source;
@@ -872,8 +871,8 @@ 
 	 * @since 4.0.6
 	 * @param array $headers
 	 */
-	public function is_original_request( $headers ) {
-		if ( $headers['original-request'] === $headers['request-id'] ) {
+	public function is_original_request($headers) {
+		if ($headers['original-request'] === $headers['request-id']) {
 			return true;
 		}