woocommerce / woocommerce-gateway-stripe

includes/class-wc-stripe-apple-pay-registration.php

Spacing +60 added lines, -60 removed lines

@@ -5,7 +5,7 @@ 
  * @since 4.0.6
  */
 
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit;
 }
 
@@ -32,17 +32,17 @@ 
 	public $apple_pay_verify_notice;
 
 	public function __construct() {
-		add_action( 'init', array( $this, 'add_domain_association_rewrite_rule' ) );
-		add_filter( 'query_vars', array( $this, 'whitelist_domain_association_query_param' ), 10, 1 );
-		add_action( 'parse_request', array( $this, 'parse_domain_association_request' ), 10, 1 );
+		add_action('init', array($this, 'add_domain_association_rewrite_rule'));
+		add_filter('query_vars', array($this, 'whitelist_domain_association_query_param'), 10, 1);
+		add_action('parse_request', array($this, 'parse_domain_association_request'), 10, 1);
 
-		add_action( 'woocommerce_stripe_updated', array( $this, 'verify_domain_if_configured' ) );
-		add_action( 'add_option_woocommerce_stripe_settings', array( $this, 'verify_domain_on_new_settings' ), 10, 2 );
-		add_action( 'update_option_woocommerce_stripe_settings', array( $this, 'verify_domain_on_updated_settings' ), 10, 2 );
-		add_action( 'admin_notices', array( $this, 'admin_notices' ) );
+		add_action('woocommerce_stripe_updated', array($this, 'verify_domain_if_configured'));
+		add_action('add_option_woocommerce_stripe_settings', array($this, 'verify_domain_on_new_settings'), 10, 2);
+		add_action('update_option_woocommerce_stripe_settings', array($this, 'verify_domain_on_updated_settings'), 10, 2);
+		add_action('admin_notices', array($this, 'admin_notices'));
 
-		$this->stripe_settings         = get_option( 'woocommerce_stripe_settings', array() );
-		$this->apple_pay_domain_set    = 'yes' === $this->get_option( 'apple_pay_domain_set', 'no' );
+		$this->stripe_settings         = get_option('woocommerce_stripe_settings', array());
+		$this->apple_pay_domain_set    = 'yes' === $this->get_option('apple_pay_domain_set', 'no');
 		$this->apple_pay_verify_notice = '';
 	}
 
@@ -54,13 +54,13 @@ 
 	 * @param string default
 	 * @return string $setting_value
 	 */
-	public function get_option( $setting = '', $default = '' ) {
-		if ( empty( $this->stripe_settings ) ) {
+	public function get_option($setting = '', $default = '') {
+		if (empty($this->stripe_settings)) {
 			return $default;
 		}
 
-		if ( ! empty( $this->stripe_settings[ $setting ] ) ) {
-			return $this->stripe_settings[ $setting ];
+		if ( ! empty($this->stripe_settings[$setting])) {
+			return $this->stripe_settings[$setting];
 		}
 
 		return $default;
@@ -73,8 +73,8 @@ 
 	 * @return string Whether Apple Pay required settings are enabled.
 	 */
 	private function is_enabled() {
-		$stripe_enabled                 = 'yes' === $this->get_option( 'enabled', 'no' );
-		$payment_request_button_enabled = 'yes' === $this->get_option( 'payment_request', 'yes' );
+		$stripe_enabled                 = 'yes' === $this->get_option('enabled', 'no');
+		$payment_request_button_enabled = 'yes' === $this->get_option('payment_request', 'yes');
 
 		return $stripe_enabled && $payment_request_button_enabled;
 	}
@@ -86,8 +86,8 @@ 
 	 * @return string Secret key.
 	 */
 	private function get_secret_key() {
-		$testmode = 'yes' === $this->get_option( 'testmode', 'no' );
-		return $testmode ? $this->get_option( 'test_secret_key' ) : $this->get_option( 'secret_key' );
+		$testmode = 'yes' === $this->get_option('testmode', 'no');
+		return $testmode ? $this->get_option('test_secret_key') : $this->get_option('secret_key');
 	}
 
 	/**
@@ -97,7 +97,7 @@ 
 		$regex    = '^\.well-known\/apple-developer-merchantid-domain-association$';
 		$redirect = 'index.php?apple-developer-merchantid-domain-association=1';
 
-		add_rewrite_rule( $regex, $redirect, 'top' );
+		add_rewrite_rule($regex, $redirect, 'top');
 	}
 
 	/**
@@ -106,7 +106,7 @@ 
 	 * @param  array $query_vars - provided public query vars.
 	 * @return array Updated public query vars.
 	 */
-	public function whitelist_domain_association_query_param( $query_vars ) {
+	public function whitelist_domain_association_query_param($query_vars) {
 		$query_vars[] = 'apple-developer-merchantid-domain-association';
 		return $query_vars;
 	}
@@ -116,17 +116,17 @@ 
 	 *
 	 * @param WP WordPress environment object.
 	 */
-	public function parse_domain_association_request( $wp ) {
+	public function parse_domain_association_request($wp) {
 		if (
-			! isset( $wp->query_vars['apple-developer-merchantid-domain-association'] ) ||
+			! isset($wp->query_vars['apple-developer-merchantid-domain-association']) ||
 			'1' !== $wp->query_vars['apple-developer-merchantid-domain-association']
 		) {
 			return;
 		}
 
 		$path = WC_STRIPE_PLUGIN_PATH . '/apple-developer-merchantid-domain-association';
-		header( 'Content-Type: application/octet-stream' );
-		echo esc_html( file_get_contents( $path ) );
+		header('Content-Type: application/octet-stream');
+		echo esc_html(file_get_contents($path));
 		exit;
 	}
 
@@ -137,9 +137,9 @@ 
 	 * @version 4.5.4
 	 * @param string $secret_key
 	 */
-	private function make_domain_registration_request( $secret_key ) {
-		if ( empty( $secret_key ) ) {
-			throw new Exception( __( 'Unable to verify domain - missing secret key.', 'woocommerce-gateway-stripe' ) );
+	private function make_domain_registration_request($secret_key) {
+		if (empty($secret_key)) {
+			throw new Exception(__('Unable to verify domain - missing secret key.', 'woocommerce-gateway-stripe'));
 		}
 
 		$endpoint = 'https://api.stripe.com/v1/apple_pay/domains';
@@ -157,22 +157,22 @@ 
 			$endpoint,
 			array(
 				'headers' => $headers,
-				'body'    => http_build_query( $data ),
+				'body'    => http_build_query($data),
 			)
 		);
 
-		if ( is_wp_error( $response ) ) {
+		if (is_wp_error($response)) {
 			/* translators: error message */
-			throw new Exception( sprintf( __( 'Unable to verify domain - %s', 'woocommerce-gateway-stripe' ), $response->get_error_message() ) );
+			throw new Exception(sprintf(__('Unable to verify domain - %s', 'woocommerce-gateway-stripe'), $response->get_error_message()));
 		}
 
-		if ( 200 !== $response['response']['code'] ) {
-			$parsed_response = json_decode( $response['body'] );
+		if (200 !== $response['response']['code']) {
+			$parsed_response = json_decode($response['body']);
 
 			$this->apple_pay_verify_notice = $parsed_response->error->message;
 
 			/* translators: error message */
-			throw new Exception( sprintf( __( 'Unable to verify domain - %s', 'woocommerce-gateway-stripe' ), $parsed_response->error->message ) );
+			throw new Exception(sprintf(__('Unable to verify domain - %s', 'woocommerce-gateway-stripe'), $parsed_response->error->message));
 		}
 	}
 
@@ -186,27 +186,27 @@ 
 	 *
 	 * @return bool Whether domain verification succeeded.
 	 */
-	public function register_domain_with_apple( $secret_key ) {
+	public function register_domain_with_apple($secret_key) {
 		try {
-			$this->make_domain_registration_request( $secret_key );
+			$this->make_domain_registration_request($secret_key);
 
 			// No errors to this point, verification success!
 			$this->stripe_settings['apple_pay_domain_set'] = 'yes';
 			$this->apple_pay_domain_set                    = true;
 
-			update_option( 'woocommerce_stripe_settings', $this->stripe_settings );
+			update_option('woocommerce_stripe_settings', $this->stripe_settings);
 
-			WC_Stripe_Logger::log( 'Your domain has been verified with Apple Pay!' );
+			WC_Stripe_Logger::log('Your domain has been verified with Apple Pay!');
 
 			return true;
 
-		} catch ( Exception $e ) {
+		} catch (Exception $e) {
 			$this->stripe_settings['apple_pay_domain_set'] = 'no';
 			$this->apple_pay_domain_set                    = false;
 
-			update_option( 'woocommerce_stripe_settings', $this->stripe_settings );
+			update_option('woocommerce_stripe_settings', $this->stripe_settings);
 
-			WC_Stripe_Logger::log( 'Error: ' . $e->getMessage() );
+			WC_Stripe_Logger::log('Error: ' . $e->getMessage());
 
 			return false;
 		}
@@ -221,7 +221,7 @@ 
 	public function verify_domain_if_configured() {
 		$secret_key = $this->get_secret_key();
 
-		if ( ! $this->is_enabled() || empty( $secret_key ) ) {
+		if ( ! $this->is_enabled() || empty($secret_key)) {
 			return;
 		}
 
@@ -229,10 +229,10 @@ 
 		flush_rewrite_rules();
 
 		// Register the domain with Apple Pay.
-		$verification_complete = $this->register_domain_with_apple( $secret_key );
+		$verification_complete = $this->register_domain_with_apple($secret_key);
 
 		// Show/hide notes if necessary.
-		WC_Stripe_Inbox_Notes::notify_on_apple_pay_domain_verification( $verification_complete );
+		WC_Stripe_Inbox_Notes::notify_on_apple_pay_domain_verification($verification_complete);
 	}
 
 	/**
@@ -241,8 +241,8 @@ 
 	 * @since 4.5.4
 	 * @version 4.5.4
 	 */
-	public function verify_domain_on_new_settings( $option, $settings ) {
-		$this->verify_domain_on_updated_settings( array(), $settings );
+	public function verify_domain_on_new_settings($option, $settings) {
+		$this->verify_domain_on_updated_settings(array(), $settings);
 	}
 
 	/**
@@ -251,7 +251,7 @@ 
 	 * @since 4.5.3
 	 * @version 4.5.4
 	 */
-	public function verify_domain_on_updated_settings( $prev_settings, $settings ) {
+	public function verify_domain_on_updated_settings($prev_settings, $settings) {
 		// Grab previous state and then update cached settings.
 		$this->stripe_settings = $prev_settings;
 		$prev_secret_key       = $this->get_secret_key();
@@ -259,7 +259,7 @@ 
 		$this->stripe_settings = $settings;
 
 		// If Stripe or Payment Request Button wasn't enabled (or secret key was different) then might need to verify now.
-		if ( ! $prev_is_enabled || ( $this->get_secret_key() !== $prev_secret_key ) ) {
+		if ( ! $prev_is_enabled || ($this->get_secret_key() !== $prev_secret_key)) {
 			$this->verify_domain_if_configured();
 		}
 	}
@@ -270,16 +270,16 @@ 
 	 * @since 4.0.6
 	 */
 	public function admin_notices() {
-		if ( ! $this->is_enabled() ) {
+		if ( ! $this->is_enabled()) {
 			return;
 		}
 
-		if ( ! current_user_can( 'manage_woocommerce' ) ) {
+		if ( ! current_user_can('manage_woocommerce')) {
 			return;
 		}
 
-		$empty_notice = empty( $this->apple_pay_verify_notice );
-		if ( $empty_notice && ( $this->apple_pay_domain_set || empty( $this->secret_key ) ) ) {
+		$empty_notice = empty($this->apple_pay_verify_notice);
+		if ($empty_notice && ($this->apple_pay_domain_set || empty($this->secret_key))) {
 			return;
 		}
 
@@ -288,28 +288,28 @@ 
 		 * when setting screen is displayed. So if domain verification is not set,
 		 * something went wrong so lets notify user.
 		 */
-		$allowed_html                      = array(
+		$allowed_html = array(
 			'a' => array(
 				'href'  => array(),
 				'title' => array(),
 			),
 		);
-		$verification_failed_without_error = __( 'Apple Pay domain verification failed.', 'woocommerce-gateway-stripe' );
-		$verification_failed_with_error    = __( 'Apple Pay domain verification failed with the following error:', 'woocommerce-gateway-stripe' );
+		$verification_failed_without_error = __('Apple Pay domain verification failed.', 'woocommerce-gateway-stripe');
+		$verification_failed_with_error    = __('Apple Pay domain verification failed with the following error:', 'woocommerce-gateway-stripe');
 		$check_log_text                    = sprintf(
 			/* translators: 1) HTML anchor open tag 2) HTML anchor closing tag */
-			esc_html__( 'Please check the %1$slogs%2$s for more details on this issue. Logging must be enabled to see recorded logs.', 'woocommerce-gateway-stripe' ),
-			'<a href="' . admin_url( 'admin.php?page=wc-status&tab=logs' ) . '">',
+			esc_html__('Please check the %1$slogs%2$s for more details on this issue. Logging must be enabled to see recorded logs.', 'woocommerce-gateway-stripe'),
+			'<a href="' . admin_url('admin.php?page=wc-status&tab=logs') . '">',
 			'</a>'
 		);
 
 		?>
 		<div class="error stripe-apple-pay-message">
-			<?php if ( $empty_notice ) : ?>
-				<p><?php echo esc_html( $verification_failed_without_error ); ?></p>
+			<?php if ($empty_notice) : ?>
+				<p><?php echo esc_html($verification_failed_without_error); ?></p>
 			<?php else : ?>
-				<p><?php echo esc_html( $verification_failed_with_error ); ?></p>
-				<p><i><?php echo wp_kses( make_clickable( esc_html( $this->apple_pay_verify_notice ) ), $allowed_html ); ?></i></p>
+				<p><?php echo esc_html($verification_failed_with_error); ?></p>
+				<p><i><?php echo wp_kses(make_clickable(esc_html($this->apple_pay_verify_notice)), $allowed_html); ?></i></p>
 			<?php endif; ?>
 			<p><?php echo $check_log_text; ?></p>
 		</div>

includes/admin/class-wc-stripe-inbox-notes.php

Spacing +40 added lines, -40 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit;
 }
 
@@ -18,41 +18,41 @@ 
 	const POST_SETUP_SUCCESS_ACTION = 'wc_stripe_apple_pay_post_setup_success';
 
 	public function __construct() {
-		add_action( self::POST_SETUP_SUCCESS_ACTION, array( self::class, 'create_marketing_note' ) );
+		add_action(self::POST_SETUP_SUCCESS_ACTION, array(self::class, 'create_marketing_note'));
 	}
 
 	/**
 	 * Manage notes to show after Apple Pay domain verification.
 	 */
-	public static function notify_on_apple_pay_domain_verification( $verification_complete ) {
-		if ( ! class_exists( 'Automattic\WooCommerce\Admin\Notes\WC_Admin_Notes' ) ) {
+	public static function notify_on_apple_pay_domain_verification($verification_complete) {
+		if ( ! class_exists('Automattic\WooCommerce\Admin\Notes\WC_Admin_Notes')) {
 			return;
 		}
 
-		if ( ! class_exists( 'WC_Data_Store' ) ) {
+		if ( ! class_exists('WC_Data_Store')) {
 			return;
 		}
 
-		if ( $verification_complete ) {
-			if ( self::should_show_marketing_note() && ! wp_next_scheduled( self::POST_SETUP_SUCCESS_ACTION ) ) {
-				wp_schedule_single_event( time() + DAY_IN_SECONDS, self::POST_SETUP_SUCCESS_ACTION );
+		if ($verification_complete) {
+			if (self::should_show_marketing_note() && ! wp_next_scheduled(self::POST_SETUP_SUCCESS_ACTION)) {
+				wp_schedule_single_event(time() + DAY_IN_SECONDS, self::POST_SETUP_SUCCESS_ACTION);
 			}
 
 			// If the domain verification completed after failure note was created, make sure it's marked as actioned.
 			try {
-				$data_store       = WC_Data_Store::load( 'admin-note' );
-				$failure_note_ids = $data_store->get_notes_with_name( self::FAILURE_NOTE_NAME );
-				if ( ! empty( $failure_note_ids ) ) {
-					$note_id = array_pop( $failure_note_ids );
-					$note    = WC_Admin_Notes::get_note( $note_id );
-					if ( false !== $note && WC_Admin_Note::E_WC_ADMIN_NOTE_ACTIONED !== $note->get_status() ) {
-						$note->set_status( WC_Admin_Note::E_WC_ADMIN_NOTE_ACTIONED );
+				$data_store       = WC_Data_Store::load('admin-note');
+				$failure_note_ids = $data_store->get_notes_with_name(self::FAILURE_NOTE_NAME);
+				if ( ! empty($failure_note_ids)) {
+					$note_id = array_pop($failure_note_ids);
+					$note    = WC_Admin_Notes::get_note($note_id);
+					if (false !== $note && WC_Admin_Note::E_WC_ADMIN_NOTE_ACTIONED !== $note->get_status()) {
+						$note->set_status(WC_Admin_Note::E_WC_ADMIN_NOTE_ACTIONED);
 						$note->save();
 					}
 				}
-			} catch ( Exception $e ) {}  // @codingStandardsIgnoreLine.
+			} catch (Exception $e) {}  // @codingStandardsIgnoreLine.
 		} else {
-			if ( empty( $failure_note_ids ) ) {
+			if (empty($failure_note_ids)) {
 				self::create_failure_note();
 			}
 		}
@@ -64,27 +64,27 @@ 
 	public static function should_show_marketing_note() {
 		// Display to US merchants only.
 		$base_location = wc_get_base_location();
-		if ( ! $base_location || 'US' !== $base_location['country'] ) {
+		if ( ! $base_location || 'US' !== $base_location['country']) {
 			return false;
 		}
 
 		// Make sure Apple Pay is enabled and setup is successful.
-		$stripe_settings       = get_option( 'woocommerce_stripe_settings', array() );
-		$stripe_enabled        = isset( $stripe_settings['enabled'] ) && 'yes' === $stripe_settings['enabled'];
-		$button_enabled        = isset( $stripe_settings['payment_request'] ) && 'yes' === $stripe_settings['payment_request'];
-		$verification_complete = isset( $stripe_settings['apple_pay_domain_set'] ) && 'yes' === $stripe_settings['apple_pay_domain_set'];
-		if ( ! $stripe_enabled || ! $button_enabled || ! $verification_complete ) {
+		$stripe_settings       = get_option('woocommerce_stripe_settings', array());
+		$stripe_enabled        = isset($stripe_settings['enabled']) && 'yes' === $stripe_settings['enabled'];
+		$button_enabled        = isset($stripe_settings['payment_request']) && 'yes' === $stripe_settings['payment_request'];
+		$verification_complete = isset($stripe_settings['apple_pay_domain_set']) && 'yes' === $stripe_settings['apple_pay_domain_set'];
+		if ( ! $stripe_enabled || ! $button_enabled || ! $verification_complete) {
 			return false;
 		}
 
 		// Make sure note doesn't already exist.
 		try {
-			$data_store       = WC_Data_Store::load( 'admin-note' );
-			$success_note_ids = $data_store->get_notes_with_name( self::SUCCESS_NOTE_NAME );
-			if ( ! empty( $success_note_ids ) ) {
+			$data_store       = WC_Data_Store::load('admin-note');
+			$success_note_ids = $data_store->get_notes_with_name(self::SUCCESS_NOTE_NAME);
+			if ( ! empty($success_note_ids)) {
 				return false;
 			}
-		} catch ( Exception $e ) {
+		} catch (Exception $e) {
 			return false; // If unable to check, assume it shouldn't show note.
 		}
 
@@ -96,19 +96,19 @@ 
 	 */
 	public static function create_marketing_note() {
 		// Make sure conditions for this note still hold.
-		if ( ! self::should_show_marketing_note() ) {
+		if ( ! self::should_show_marketing_note()) {
 			return;
 		}
 
 		$note = new WC_Admin_Note();
-		$note->set_title( __( 'Boost sales this holiday season with Apple Pay!', 'woocommerce-gateway-stripe' ) );
-		$note->set_content( __( 'Now that you accept Apple Pay® with Stripe, you can increase conversion rates by letting your customers know that Apple Pay is available. Here’s a marketing guide to help you get started.', 'woocommerce-gateway-stripe' ) );
-		$note->set_type( WC_Admin_Note::E_WC_ADMIN_NOTE_MARKETING );
-		$note->set_name( self::SUCCESS_NOTE_NAME );
-		$note->set_source( 'woocommerce-gateway-stripe' );
+		$note->set_title(__('Boost sales this holiday season with Apple Pay!', 'woocommerce-gateway-stripe'));
+		$note->set_content(__('Now that you accept Apple Pay® with Stripe, you can increase conversion rates by letting your customers know that Apple Pay is available. Here’s a marketing guide to help you get started.', 'woocommerce-gateway-stripe'));
+		$note->set_type(WC_Admin_Note::E_WC_ADMIN_NOTE_MARKETING);
+		$note->set_name(self::SUCCESS_NOTE_NAME);
+		$note->set_source('woocommerce-gateway-stripe');
 		$note->add_action(
 			'marketing-guide',
-			__( 'See marketing guide', 'woocommerce-gateway-stripe' ),
+			__('See marketing guide', 'woocommerce-gateway-stripe'),
 			'https://developer.apple.com/apple-pay/marketing/'
 		);
 		$note->save();
@@ -119,14 +119,14 @@ 
 	 */
 	public static function create_failure_note() {
 		$note = new WC_Admin_Note();
-		$note->set_title( __( 'Apple Pay domain verification needed', 'woocommerce-gateway-stripe' ) );
-		$note->set_content( __( 'The WooCommerce Stripe Gateway extension attempted to perform domain verification on behalf of your store, but was unable to do so. This must be resolved before Apple Pay can be offered to your customers.', 'woocommerce-gateway-stripe' ) );
-		$note->set_type( WC_Admin_Note::E_WC_ADMIN_NOTE_INFORMATIONAL );
-		$note->set_name( self::FAILURE_NOTE_NAME );
-		$note->set_source( 'woocommerce-gateway-stripe' );
+		$note->set_title(__('Apple Pay domain verification needed', 'woocommerce-gateway-stripe'));
+		$note->set_content(__('The WooCommerce Stripe Gateway extension attempted to perform domain verification on behalf of your store, but was unable to do so. This must be resolved before Apple Pay can be offered to your customers.', 'woocommerce-gateway-stripe'));
+		$note->set_type(WC_Admin_Note::E_WC_ADMIN_NOTE_INFORMATIONAL);
+		$note->set_name(self::FAILURE_NOTE_NAME);
+		$note->set_source('woocommerce-gateway-stripe');
 		$note->add_action(
 			'learn-more',
-			__( 'Learn more', 'woocommerce-gateway-stripe' ),
+			__('Learn more', 'woocommerce-gateway-stripe'),
 			'https://docs.woocommerce.com/document/stripe/#apple-pay'
 		);
 		$note->save();

woocommerce-gateway-stripe.php

Spacing +110 added lines, -110 removed lines

@@ -15,20 +15,20 @@ 
  *
  */
 
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit;
 }
 
 /**
  * Required minimums and constants
  */
-define( 'WC_STRIPE_VERSION', '4.5.5' ); // WRCS: DEFINED_VERSION.
-define( 'WC_STRIPE_MIN_PHP_VER', '5.6.0' );
-define( 'WC_STRIPE_MIN_WC_VER', '3.0' );
-define( 'WC_STRIPE_FUTURE_MIN_WC_VER', '3.0' );
-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', '4.5.5'); // WRCS: DEFINED_VERSION.
+define('WC_STRIPE_MIN_PHP_VER', '5.6.0');
+define('WC_STRIPE_MIN_WC_VER', '3.0');
+define('WC_STRIPE_FUTURE_MIN_WC_VER', '3.0');
+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__)));
 
 // phpcs:disable WordPress.Files.FileName
 
@@ -40,7 +40,7 @@ 
  */
 function woocommerce_stripe_missing_wc_notice() {
 	/* translators: 1. URL link. */
-	echo '<div class="error"><p><strong>' . sprintf( esc_html__( 'Stripe requires WooCommerce to be installed and active. You can download %s here.', 'woocommerce-gateway-stripe' ), '<a href="https://woocommerce.com/" target="_blank">WooCommerce</a>' ) . '</strong></p></div>';
+	echo '<div class="error"><p><strong>' . sprintf(esc_html__('Stripe requires WooCommerce to be installed and active. You can download %s here.', 'woocommerce-gateway-stripe'), '<a href="https://woocommerce.com/" target="_blank">WooCommerce</a>') . '</strong></p></div>';
 }
 
 /**
@@ -51,14 +51,14 @@ 
  */
 function woocommerce_stripe_wc_not_supported() {
 	/* translators: $1. Minimum WooCommerce version. $2. Current WooCommerce version. */
-	echo '<div class="error"><p><strong>' . sprintf( esc_html__( 'Stripe requires WooCommerce %1$s or greater to be installed and active. WooCommerce %2$s is no longer supported.', 'woocommerce-gateway-stripe' ), WC_STRIPE_MIN_WC_VER, WC_VERSION ) . '</strong></p></div>';
+	echo '<div class="error"><p><strong>' . sprintf(esc_html__('Stripe requires WooCommerce %1$s or greater to be installed and active. WooCommerce %2$s is no longer supported.', 'woocommerce-gateway-stripe'), WC_STRIPE_MIN_WC_VER, WC_VERSION) . '</strong></p></div>';
 }
 
 function wc_stripe() {
 
 	static $plugin;
 
-	if ( ! isset( $plugin ) ) {
+	if ( ! isset($plugin)) {
 
 		class WC_Stripe {
 
@@ -73,7 +73,7 @@ 
 			 * @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;
@@ -114,14 +114,14 @@ 
 			 * *Singleton* via the `new` operator from outside of this class.
 			 */
 			public function __construct() {
-				add_action( 'admin_init', array( $this, 'install' ) );
+				add_action('admin_init', array($this, 'install'));
 
 				$this->init();
 
 				$this->api     = new WC_Stripe_Connect_API();
-				$this->connect = new WC_Stripe_Connect( $this->api );
+				$this->connect = new WC_Stripe_Connect($this->api);
 
-				add_action( 'rest_api_init', array( $this, 'register_connect_routes' ) );
+				add_action('rest_api_init', array($this, 'register_connect_routes'));
 			}
 
 			/**
@@ -131,57 +131,57 @@ 
 			 * @version 4.0.0
 			 */
 			public function init() {
-				if ( is_admin() ) {
-					require_once dirname( __FILE__ ) . '/includes/admin/class-wc-stripe-privacy.php';
+				if (is_admin()) {
+					require_once dirname(__FILE__) . '/includes/admin/class-wc-stripe-privacy.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';
-				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/compat/class-wc-stripe-pre-orders-compat.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-eps.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-multibanco.php';
-				require_once dirname( __FILE__ ) . '/includes/payment-methods/class-wc-stripe-payment-request.php';
-				require_once dirname( __FILE__ ) . '/includes/compat/class-wc-stripe-subs-compat.php';
-				require_once dirname( __FILE__ ) . '/includes/compat/class-wc-stripe-sepa-subs-compat.php';
-				require_once dirname( __FILE__ ) . '/includes/connect/class-wc-stripe-connect.php';
-				require_once dirname( __FILE__ ) . '/includes/connect/class-wc-stripe-connect-api.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';
-				require_once dirname( __FILE__ ) . '/includes/class-wc-stripe-intent-controller.php';
-				require_once dirname( __FILE__ ) . '/includes/admin/class-wc-stripe-inbox-notes.php';
-
-				if ( is_admin() ) {
-					require_once dirname( __FILE__ ) . '/includes/admin/class-wc-stripe-admin-notices.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';
+				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/compat/class-wc-stripe-pre-orders-compat.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-eps.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-multibanco.php';
+				require_once dirname(__FILE__) . '/includes/payment-methods/class-wc-stripe-payment-request.php';
+				require_once dirname(__FILE__) . '/includes/compat/class-wc-stripe-subs-compat.php';
+				require_once dirname(__FILE__) . '/includes/compat/class-wc-stripe-sepa-subs-compat.php';
+				require_once dirname(__FILE__) . '/includes/connect/class-wc-stripe-connect.php';
+				require_once dirname(__FILE__) . '/includes/connect/class-wc-stripe-connect-api.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';
+				require_once dirname(__FILE__) . '/includes/class-wc-stripe-intent-controller.php';
+				require_once dirname(__FILE__) . '/includes/admin/class-wc-stripe-inbox-notes.php';
+
+				if (is_admin()) {
+					require_once dirname(__FILE__) . '/includes/admin/class-wc-stripe-admin-notices.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( 'pre_update_option_woocommerce_stripe_settings', array( $this, 'gateway_settings_update' ), 10, 2 );
-				add_filter( 'plugin_action_links_' . plugin_basename( __FILE__ ), array( $this, 'plugin_action_links' ) );
-				add_filter( 'plugin_row_meta', array( $this, 'plugin_row_meta' ), 10, 2 );
+				add_filter('woocommerce_payment_gateways', array($this, 'add_gateways'));
+				add_filter('pre_update_option_woocommerce_stripe_settings', array($this, 'gateway_settings_update'), 10, 2);
+				add_filter('plugin_action_links_' . plugin_basename(__FILE__), array($this, 'plugin_action_links'));
+				add_filter('plugin_row_meta', array($this, 'plugin_row_meta'), 10, 2);
 
 				// Modify emails emails.
-				add_filter( 'woocommerce_email_classes', array( $this, 'add_emails' ), 20 );
+				add_filter('woocommerce_email_classes', array($this, 'add_emails'), 20);
 
-				if ( version_compare( WC_VERSION, '3.4', '<' ) ) {
-					add_filter( 'woocommerce_get_sections_checkout', array( $this, 'filter_gateway_order_admin' ) );
+				if (version_compare(WC_VERSION, '3.4', '<')) {
+					add_filter('woocommerce_get_sections_checkout', array($this, 'filter_gateway_order_admin'));
 				}
 			}
 
@@ -192,8 +192,8 @@ 
 			 * @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);
 			}
 
 			/**
@@ -203,15 +203,15 @@ 
 			 * @version 3.1.0
 			 */
 			public function install() {
-				if ( ! is_plugin_active( plugin_basename( __FILE__ ) ) ) {
+				if ( ! is_plugin_active(plugin_basename(__FILE__))) {
 					return;
 				}
 
-				if ( ! defined( 'IFRAME_REQUEST' ) && ( WC_STRIPE_VERSION !== get_option( 'wc_stripe_version' ) ) ) {
-					do_action( 'woocommerce_stripe_updated' );
+				if ( ! defined('IFRAME_REQUEST') && (WC_STRIPE_VERSION !== get_option('wc_stripe_version'))) {
+					do_action('woocommerce_stripe_updated');
 
-					if ( ! defined( 'WC_STRIPE_INSTALLING' ) ) {
-						define( 'WC_STRIPE_INSTALLING', true );
+					if ( ! defined('WC_STRIPE_INSTALLING')) {
+						define('WC_STRIPE_INSTALLING', true);
 					}
 
 					$this->update_plugin_version();
@@ -224,11 +224,11 @@ 
 			 * @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="admin.php?page=wc-settings&tab=checkout&section=stripe">' . esc_html__('Settings', 'woocommerce-gateway-stripe') . '</a>',
 				);
-				return array_merge( $plugin_links, $links );
+				return array_merge($plugin_links, $links);
 			}
 
 			/**
@@ -239,13 +239,13 @@ 
 			 * @param  string $file  Name of current file.
 			 * @return array  $links Update list of plugin links.
 			 */
-			public function plugin_row_meta( $links, $file ) {
-				if ( plugin_basename( __FILE__ ) === $file ) {
+			public function plugin_row_meta($links, $file) {
+				if (plugin_basename(__FILE__) === $file) {
 					$row_meta = array(
-						'docs'    => '<a href="' . esc_url( apply_filters( 'woocommerce_gateway_stripe_docs_url', 'https://docs.woocommerce.com/document/stripe/' ) ) . '" title="' . esc_attr( __( 'View Documentation', 'woocommerce-gateway-stripe' ) ) . '">' . __( 'Docs', 'woocommerce-gateway-stripe' ) . '</a>',
-						'support' => '<a href="' . esc_url( apply_filters( 'woocommerce_gateway_stripe_support_url', 'https://woocommerce.com/my-account/create-a-ticket?select=18627' ) ) . '" title="' . esc_attr( __( 'Open a support request at WooCommerce.com', 'woocommerce-gateway-stripe' ) ) . '">' . __( 'Support', 'woocommerce-gateway-stripe' ) . '</a>',
+						'docs'    => '<a href="' . esc_url(apply_filters('woocommerce_gateway_stripe_docs_url', 'https://docs.woocommerce.com/document/stripe/')) . '" title="' . esc_attr(__('View Documentation', 'woocommerce-gateway-stripe')) . '">' . __('Docs', 'woocommerce-gateway-stripe') . '</a>',
+						'support' => '<a href="' . esc_url(apply_filters('woocommerce_gateway_stripe_support_url', 'https://woocommerce.com/my-account/create-a-ticket?select=18627')) . '" title="' . esc_attr(__('Open a support request at WooCommerce.com', 'woocommerce-gateway-stripe')) . '">' . __('Support', 'woocommerce-gateway-stripe') . '</a>',
 					);
-					return array_merge( $links, $row_meta );
+					return array_merge($links, $row_meta);
 				}
 				return (array) $links;
 			}
@@ -256,8 +256,8 @@ 
 			 * @since 1.0.0
 			 * @version 4.0.0
 			 */
-			public function add_gateways( $methods ) {
-				if ( class_exists( 'WC_Subscriptions_Order' ) && function_exists( 'wcs_create_renewal_order' ) ) {
+			public function add_gateways($methods) {
+				if (class_exists('WC_Subscriptions_Order') && function_exists('wcs_create_renewal_order')) {
 					$methods[] = 'WC_Stripe_Subs_Compat';
 					$methods[] = 'WC_Stripe_Sepa_Subs_Compat';
 				} else {
@@ -283,28 +283,28 @@ 
 			 * @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_eps'] );
-				unset( $sections['stripe_ideal'] );
-				unset( $sections['stripe_p24'] );
-				unset( $sections['stripe_alipay'] );
-				unset( $sections['stripe_sepa'] );
-				unset( $sections['stripe_multibanco'] );
+			public function filter_gateway_order_admin($sections) {
+				unset($sections['stripe']);
+				unset($sections['stripe_bancontact']);
+				unset($sections['stripe_sofort']);
+				unset($sections['stripe_giropay']);
+				unset($sections['stripe_eps']);
+				unset($sections['stripe_ideal']);
+				unset($sections['stripe_p24']);
+				unset($sections['stripe_alipay']);
+				unset($sections['stripe_sepa']);
+				unset($sections['stripe_multibanco']);
 
 				$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_eps']        = __( 'Stripe EPS', '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_multibanco'] = __( 'Stripe Multibanco', '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_eps']        = __('Stripe EPS', '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_multibanco'] = __('Stripe Multibanco', 'woocommerce-gateway-stripe');
 
 				return $sections;
 			}
@@ -319,12 +319,12 @@ 
 			 * @param array|bool $old_settings Existing settings, if any.
 			 * @return array New value but with defaults initially filled in for missing settings.
 			 */
-			public function gateway_settings_update( $settings, $old_settings ) {
-				if ( false === $old_settings ) {
+			public function gateway_settings_update($settings, $old_settings) {
+				if (false === $old_settings) {
 					$gateway  = new WC_Gateway_Stripe();
 					$fields   = $gateway->get_form_fields();
-					$defaults = array_merge( array_fill_keys( array_keys( $fields ), '' ), wp_list_pluck( $fields, 'default' ) );
-					return array_merge( $defaults, $settings );
+					$defaults = array_merge(array_fill_keys(array_keys($fields), ''), wp_list_pluck($fields, 'default'));
+					return array_merge($defaults, $settings);
 				}
 				return $settings;
 			}
@@ -335,16 +335,16 @@ 
 			 * @param WC_Email[] $email_classes All existing emails.
 			 * @return WC_Email[]
 			 */
-			public function add_emails( $email_classes ) {
+			public function add_emails($email_classes) {
 				require_once WC_STRIPE_PLUGIN_PATH . '/includes/compat/class-wc-stripe-email-failed-authentication.php';
 				require_once WC_STRIPE_PLUGIN_PATH . '/includes/compat/class-wc-stripe-email-failed-renewal-authentication.php';
 				require_once WC_STRIPE_PLUGIN_PATH . '/includes/compat/class-wc-stripe-email-failed-preorder-authentication.php';
 				require_once WC_STRIPE_PLUGIN_PATH . '/includes/compat/class-wc-stripe-email-failed-authentication-retry.php';
 
 				// Add all emails, generated by the gateway.
-				$email_classes['WC_Stripe_Email_Failed_Renewal_Authentication']  = new WC_Stripe_Email_Failed_Renewal_Authentication( $email_classes );
-				$email_classes['WC_Stripe_Email_Failed_Preorder_Authentication'] = new WC_Stripe_Email_Failed_Preorder_Authentication( $email_classes );
-				$email_classes['WC_Stripe_Email_Failed_Authentication_Retry'] = new WC_Stripe_Email_Failed_Authentication_Retry( $email_classes );
+				$email_classes['WC_Stripe_Email_Failed_Renewal_Authentication']  = new WC_Stripe_Email_Failed_Renewal_Authentication($email_classes);
+				$email_classes['WC_Stripe_Email_Failed_Preorder_Authentication'] = new WC_Stripe_Email_Failed_Preorder_Authentication($email_classes);
+				$email_classes['WC_Stripe_Email_Failed_Authentication_Retry'] = new WC_Stripe_Email_Failed_Authentication_Retry($email_classes);
 
 				return $email_classes;
 			}
@@ -358,8 +358,8 @@ 
 				require_once WC_STRIPE_PLUGIN_PATH . '/includes/connect/class-wc-stripe-connect-rest-oauth-init-controller.php';
 				require_once WC_STRIPE_PLUGIN_PATH . '/includes/connect/class-wc-stripe-connect-rest-oauth-connect-controller.php';
 
-				$oauth_init    = new WC_Stripe_Connect_REST_Oauth_Init_Controller( $this->connect, $this->api );
-				$oauth_connect = new WC_Stripe_Connect_REST_Oauth_Connect_Controller( $this->connect, $this->api );
+				$oauth_init    = new WC_Stripe_Connect_REST_Oauth_Init_Controller($this->connect, $this->api);
+				$oauth_connect = new WC_Stripe_Connect_REST_Oauth_Connect_Controller($this->connect, $this->api);
 
 				$oauth_init->register_routes();
 				$oauth_connect->register_routes();
@@ -373,18 +373,18 @@ 
 	return $plugin;
 }
 
-add_action( 'plugins_loaded', 'woocommerce_gateway_stripe_init' );
+add_action('plugins_loaded', 'woocommerce_gateway_stripe_init');
 
 function woocommerce_gateway_stripe_init() {
-	load_plugin_textdomain( 'woocommerce-gateway-stripe', false, plugin_basename( dirname( __FILE__ ) ) . '/languages' );
+	load_plugin_textdomain('woocommerce-gateway-stripe', false, plugin_basename(dirname(__FILE__)) . '/languages');
 
-	if ( ! class_exists( 'WooCommerce' ) ) {
-		add_action( 'admin_notices', 'woocommerce_stripe_missing_wc_notice' );
+	if ( ! class_exists('WooCommerce')) {
+		add_action('admin_notices', 'woocommerce_stripe_missing_wc_notice');
 		return;
 	}
 
-	if ( version_compare( WC_VERSION, WC_STRIPE_MIN_WC_VER, '<' ) ) {
-		add_action( 'admin_notices', 'woocommerce_stripe_wc_not_supported' );
+	if (version_compare(WC_VERSION, WC_STRIPE_MIN_WC_VER, '<')) {
+		add_action('admin_notices', 'woocommerce_stripe_wc_not_supported');
 		return;
 	}
 

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

Spacing +212 added lines, -212 removed lines

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

includes/class-wc-gateway-stripe.php

Spacing +327 added lines, -327 removed lines

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