woocommerce / woocommerce-gateway-stripe

includes/class-wc-gateway-stripe.php

Spacing +286 added lines, -286 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit;
 }
 
@@ -120,8 +120,8 @@ 
 	 */
 	public function __construct() {
 		$this->id                   = 'stripe';
-		$this->method_title         = __( 'Stripe', 'woocommerce-gateway-stripe' );
-		$this->method_description   = __( 'Stripe works by adding credit card fields on the checkout and then sending the details to Stripe for verification.', 'woocommerce-gateway-stripe' );
+		$this->method_title         = __('Stripe', 'woocommerce-gateway-stripe');
+		$this->method_description   = __('Stripe works by adding credit card fields on the checkout and then sending the details to Stripe for verification.', 'woocommerce-gateway-stripe');
 		$this->has_fields           = true;
 		$this->view_transaction_url = 'https://dashboard.stripe.com/payments/%s';
 		$this->supports             = array(
@@ -149,54 +149,54 @@ 
 		$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->capture                = 'yes' === $this->get_option( 'capture', 'yes' );
-		$this->statement_descriptor   = $this->get_option( 'statement_descriptor', wp_specialchars_decode( get_bloginfo( 'name' ), ENT_QUOTES ) );
-		$this->stripe_checkout        = 'yes' === $this->get_option( 'stripe_checkout' );
-		$this->stripe_checkout_locale = $this->get_option( 'stripe_checkout_locale' );
-		$this->stripe_checkout_image  = $this->get_option( 'stripe_checkout_image', '' );
-		$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->bitcoin                = 'USD' === strtoupper( get_woocommerce_currency() ) && 'yes' === $this->get_option( 'stripe_bitcoin' );
-		$this->apple_pay              = 'yes' === $this->get_option( 'apple_pay', 'yes' );
-		$this->apple_pay_domain_set   = 'yes' === $this->get_option( 'apple_pay_domain_set', 'no' );
-		$this->apple_pay_button       = $this->get_option( 'apple_pay_button', 'black' );
-		$this->logging                = 'yes' === $this->get_option( 'logging' );
-		$this->allow_remember_me      = 'yes' === $this->get_option( 'allow_remember_me', 'no' );
-
-		if ( $this->stripe_checkout ) {
-			$this->order_button_text = __( 'Continue to payment', 'woocommerce-gateway-stripe' );
+		$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->capture                = 'yes' === $this->get_option('capture', 'yes');
+		$this->statement_descriptor   = $this->get_option('statement_descriptor', wp_specialchars_decode(get_bloginfo('name'), ENT_QUOTES));
+		$this->stripe_checkout        = 'yes' === $this->get_option('stripe_checkout');
+		$this->stripe_checkout_locale = $this->get_option('stripe_checkout_locale');
+		$this->stripe_checkout_image  = $this->get_option('stripe_checkout_image', '');
+		$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->bitcoin                = 'USD' === strtoupper(get_woocommerce_currency()) && 'yes' === $this->get_option('stripe_bitcoin');
+		$this->apple_pay              = 'yes' === $this->get_option('apple_pay', 'yes');
+		$this->apple_pay_domain_set   = 'yes' === $this->get_option('apple_pay_domain_set', 'no');
+		$this->apple_pay_button       = $this->get_option('apple_pay_button', 'black');
+		$this->logging                = 'yes' === $this->get_option('logging');
+		$this->allow_remember_me      = 'yes' === $this->get_option('allow_remember_me', 'no');
+
+		if ($this->stripe_checkout) {
+			$this->order_button_text = __('Continue to payment', 'woocommerce-gateway-stripe');
 
 			// Stripe checkout does not support add payment method.
-			if ( is_add_payment_method_page() ) {
-				if ( false !== ( $key = array_search( 'add_payment_method', $this->supports ) ) ) {
-					unset( $this->supports[ $key ] );
+			if (is_add_payment_method_page()) {
+				if (false !== ($key = array_search('add_payment_method', $this->supports))) {
+					unset($this->supports[$key]);
 				}
 
-				if ( false !== ( $key = array_search( 'tokenization', $this->supports ) ) ) {
-					unset( $this->supports[ $key ] );
+				if (false !== ($key = array_search('tokenization', $this->supports))) {
+					unset($this->supports[$key]);
 				}
 			}
 		}
 
-		if ( $this->testmode ) {
-			$this->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 documentation "<a href="%s">Testing Stripe</a>" for more card numbers.', 'woocommerce-gateway-stripe' ), 'https://stripe.com/docs/testing' );
-			$this->description  = trim( $this->description );
+		if ($this->testmode) {
+			$this->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 documentation "<a href="%s">Testing Stripe</a>" for more card numbers.', 'woocommerce-gateway-stripe'), 'https://stripe.com/docs/testing');
+			$this->description  = trim($this->description);
 		}
 
-		WC_Stripe_API::set_secret_key( $this->secret_key );
+		WC_Stripe_API::set_secret_key($this->secret_key);
 
 		$this->init_apple_pay();
 
 		// Hooks.
-		add_action( 'wp_enqueue_scripts', array( $this, 'payment_scripts' ) );
-		add_action( 'admin_enqueue_scripts', array( $this, 'admin_scripts' ) );
-		add_action( 'admin_notices', array( $this, 'admin_notices' ) );
-		add_action( 'woocommerce_update_options_payment_gateways_' . $this->id, array( $this, 'process_admin_options' ) );
+		add_action('wp_enqueue_scripts', array($this, 'payment_scripts'));
+		add_action('admin_enqueue_scripts', array($this, 'admin_scripts'));
+		add_action('admin_notices', array($this, 'admin_notices'));
+		add_action('woocommerce_update_options_payment_gateways_' . $this->id, array($this, 'process_admin_options'));
 	}
 
 	/**
@@ -206,24 +206,24 @@ 
 	 * @return string
 	 */
 	public function get_icon() {
-		$ext   = version_compare( WC()->version, '2.6', '>=' ) ? '.svg' : '.png';
-		$style = version_compare( WC()->version, '2.6', '>=' ) ? 'style="margin-left: 0.3em"' : '';
+		$ext   = version_compare(WC()->version, '2.6', '>=') ? '.svg' : '.png';
+		$style = version_compare(WC()->version, '2.6', '>=') ? 'style="margin-left: 0.3em"' : '';
 
-		$icon  = '<img src="' . WC_HTTPS::force_https_url( WC()->plugin_url() . '/assets/images/icons/credit-cards/visa' . $ext ) . '" alt="Visa" width="32" ' . $style . ' />';
-		$icon .= '<img src="' . WC_HTTPS::force_https_url( WC()->plugin_url() . '/assets/images/icons/credit-cards/mastercard' . $ext ) . '" alt="Mastercard" width="32" ' . $style . ' />';
-		$icon .= '<img src="' . WC_HTTPS::force_https_url( WC()->plugin_url() . '/assets/images/icons/credit-cards/amex' . $ext ) . '" alt="Amex" width="32" ' . $style . ' />';
+		$icon  = '<img src="' . WC_HTTPS::force_https_url(WC()->plugin_url() . '/assets/images/icons/credit-cards/visa' . $ext) . '" alt="Visa" width="32" ' . $style . ' />';
+		$icon .= '<img src="' . WC_HTTPS::force_https_url(WC()->plugin_url() . '/assets/images/icons/credit-cards/mastercard' . $ext) . '" alt="Mastercard" width="32" ' . $style . ' />';
+		$icon .= '<img src="' . WC_HTTPS::force_https_url(WC()->plugin_url() . '/assets/images/icons/credit-cards/amex' . $ext) . '" alt="Amex" width="32" ' . $style . ' />';
 
-		if ( 'USD' === get_woocommerce_currency() ) {
-			$icon .= '<img src="' . WC_HTTPS::force_https_url( WC()->plugin_url() . '/assets/images/icons/credit-cards/discover' . $ext ) . '" alt="Discover" width="32" ' . $style . ' />';
-			$icon .= '<img src="' . WC_HTTPS::force_https_url( WC()->plugin_url() . '/assets/images/icons/credit-cards/jcb' . $ext ) . '" alt="JCB" width="32" ' . $style . ' />';
-			$icon .= '<img src="' . WC_HTTPS::force_https_url( WC()->plugin_url() . '/assets/images/icons/credit-cards/diners' . $ext ) . '" alt="Diners" width="32" ' . $style . ' />';
+		if ('USD' === get_woocommerce_currency()) {
+			$icon .= '<img src="' . WC_HTTPS::force_https_url(WC()->plugin_url() . '/assets/images/icons/credit-cards/discover' . $ext) . '" alt="Discover" width="32" ' . $style . ' />';
+			$icon .= '<img src="' . WC_HTTPS::force_https_url(WC()->plugin_url() . '/assets/images/icons/credit-cards/jcb' . $ext) . '" alt="JCB" width="32" ' . $style . ' />';
+			$icon .= '<img src="' . WC_HTTPS::force_https_url(WC()->plugin_url() . '/assets/images/icons/credit-cards/diners' . $ext) . '" alt="Diners" width="32" ' . $style . ' />';
 		}
 
-		if ( $this->bitcoin && $this->stripe_checkout ) {
-			$icon .= '<img src="' . WC_HTTPS::force_https_url( plugins_url( '/assets/images/bitcoin' . $ext, WC_STRIPE_MAIN_FILE ) ) . '" alt="Bitcoin" width="24" ' . $style . ' />';
+		if ($this->bitcoin && $this->stripe_checkout) {
+			$icon .= '<img src="' . WC_HTTPS::force_https_url(plugins_url('/assets/images/bitcoin' . $ext, WC_STRIPE_MAIN_FILE)) . '" alt="Bitcoin" width="24" ' . $style . ' />';
 		}
 
-		return apply_filters( 'woocommerce_gateway_icon', $icon, $this->id );
+		return apply_filters('woocommerce_gateway_icon', $icon, $this->id);
 	}
 
 	/**
@@ -234,11 +234,11 @@ 
 	 *
 	 * @return float|int
 	 */
-	public function get_stripe_amount( $total, $currency = '' ) {
-		if ( ! $currency ) {
+	public function get_stripe_amount($total, $currency = '') {
+		if ( ! $currency) {
 			$currency = get_woocommerce_currency();
 		}
-		switch ( strtoupper( $currency ) ) {
+		switch (strtoupper($currency)) {
 			// Zero decimal currencies.
 			case 'BIF' :
 			case 'CLP' :
@@ -255,10 +255,10 @@ 
 			case 'XAF' :
 			case 'XOF' :
 			case 'XPF' :
-				$total = absint( $total );
+				$total = absint($total);
 				break;
 			default :
-				$total = round( $total, 2 ) * 100; // In cents.
+				$total = round($total, 2) * 100; // In cents.
 				break;
 		}
 		return $total;
@@ -273,9 +273,9 @@ 
 	public function init_apple_pay() {
 		if ( 
 			is_admin() && 
-			isset( $_GET['page'] ) && 'wc-settings' === $_GET['page'] && 
-			isset( $_GET['tab'] ) && 'checkout' === $_GET['tab'] &&
-			isset( $_GET['section'] ) && 'stripe' === $_GET['section']
+			isset($_GET['page']) && 'wc-settings' === $_GET['page'] && 
+			isset($_GET['tab']) && 'checkout' === $_GET['tab'] &&
+			isset($_GET['section']) && 'stripe' === $_GET['section']
 		) {
 			$this->process_apple_pay_verification();
 		}
@@ -288,9 +288,9 @@ 
 	 * @version 3.1.0
 	 * @param string $secret_key
 	 */
-	private function _register_apple_pay_domain( $secret_key = '' ) {
-		if ( empty( $secret_key ) ) {
-			throw new Exception( __( 'Unable to verify domain - missing secret key.', 'woocommerce-gateway-stripe' ) );
+	private function _register_apple_pay_domain($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';
@@ -304,13 +304,13 @@ 
 			'Authorization' => 'Bearer ' . $secret_key,
 		);
 
-		$response = wp_remote_post( $endpoint, array(
+		$response = wp_remote_post($endpoint, array(
 			'headers' => $headers,
-			'body'    => http_build_query( $data ),
-		) );
+			'body'    => http_build_query($data),
+		));
 
-		if ( 200 !== $response['response']['code'] ) {
-			throw new Exception( sprintf( __( 'Unable to verify domain - %s', 'woocommerce-gateway-stripe' ), $response['response']['message'] ) );
+		if (200 !== $response['response']['code']) {
+			throw new Exception(sprintf(__('Unable to verify domain - %s', 'woocommerce-gateway-stripe'), $response['response']['message']));
 		}
 	}
 
@@ -321,48 +321,48 @@ 
 	 * @version 3.1.0
 	 */
 	public function process_apple_pay_verification() {
-		$gateway_settings = get_option( 'woocommerce_stripe_settings', '' );
+		$gateway_settings = get_option('woocommerce_stripe_settings', '');
 
 		try {
-			$path     = untrailingslashit( preg_replace( "!${_SERVER['SCRIPT_NAME']}$!", '', $_SERVER['SCRIPT_FILENAME'] ) );
+			$path     = untrailingslashit(preg_replace("!${_SERVER['SCRIPT_NAME']}$!", '', $_SERVER['SCRIPT_FILENAME']));
 			$dir      = '.well-known';
 			$file     = 'apple-developer-merchantid-domain-association';
 			$fullpath = $path . '/' . $dir . '/' . $file;
 
-			if ( 'yes' === $gateway_settings['apple_pay_domain_set'] && file_exists( $fullpath ) ) {
+			if ('yes' === $gateway_settings['apple_pay_domain_set'] && file_exists($fullpath)) {
 				return;
 			}
 
-			if ( ! file_exists( $path . '/' . $dir ) ) {
-				if ( ! @mkdir( $path . '/' . $dir, 0755 ) ) {
-					throw new Exception( __( 'Unable to create domain association folder to domain root.', 'woocommerce-gateway-stripe' ) );
+			if ( ! file_exists($path . '/' . $dir)) {
+				if ( ! @mkdir($path . '/' . $dir, 0755)) {
+					throw new Exception(__('Unable to create domain association folder to domain root.', 'woocommerce-gateway-stripe'));
 				}
 			}
 
-			if ( ! file_exists( $fullpath ) ) {
-				if ( ! @copy( WC_STRIPE_PLUGIN_PATH . '/' . $file, $fullpath ) ) {
-					throw new Exception( __( 'Unable to copy domain association file to domain root.', 'woocommerce-gateway-stripe' ) );
+			if ( ! file_exists($fullpath)) {
+				if ( ! @copy(WC_STRIPE_PLUGIN_PATH . '/' . $file, $fullpath)) {
+					throw new Exception(__('Unable to copy domain association file to domain root.', 'woocommerce-gateway-stripe'));
 				}
 			}
 
 			// At this point then the domain association folder and file should be available.
 			// Proceed to verify/and or verify again.
-			$this->_register_apple_pay_domain( $this->secret_key );
+			$this->_register_apple_pay_domain($this->secret_key);
 
 			// No errors to this point, verification success!
 			$gateway_settings['apple_pay_domain_set'] = 'yes';
 			$this->apple_pay_domain_set = true;
 
-			update_option( 'woocommerce_stripe_settings', $gateway_settings );
+			update_option('woocommerce_stripe_settings', $gateway_settings);
 
-			$this->log( __( 'Your domain has been verified with Apple Pay!', 'woocommerce-gateway-stripe' ) );
+			$this->log(__('Your domain has been verified with Apple Pay!', 'woocommerce-gateway-stripe'));
 
-		} catch ( Exception $e ) {
+		} catch (Exception $e) {
 			$gateway_settings['apple_pay_domain_set'] = 'no';
 
-			update_option( 'woocommerce_stripe_settings', $gateway_settings );
+			update_option('woocommerce_stripe_settings', $gateway_settings);
 
-			$this->log( sprintf( __( 'Error: %s', 'woocommerce-gateway-stripe' ), $e->getMessage() ) );
+			$this->log(sprintf(__('Error: %s', 'woocommerce-gateway-stripe'), $e->getMessage()));
 		}
 	}
 
@@ -370,7 +370,7 @@ 
 	 * Check if SSL is enabled and notify the user
 	 */
 	public function admin_notices() {
-		if ( 'no' === $this->enabled ) {
+		if ('no' === $this->enabled) {
 			return;
 		}
 
@@ -379,13 +379,13 @@ 
 		 * when setting screen is displayed. So if domain verification is not set,
 		 * something went wrong so lets notify user.
 		 */
-		if ( ! empty( $this->secret_key ) && $this->apple_pay && ! $this->apple_pay_domain_set ) {
-			echo '<div class="error stripe-apple-pay-message"><p>' . sprintf( __( 'Apple Pay domain verification failed. Please check the %1$slog%2$s to see the issue.', 'woocommerce-gateway-stripe' ), '<a href="' . admin_url( 'admin.php?page=wc-status&tab=logs' ) . '">', '</a>' ) . '</p></div>';
+		if ( ! empty($this->secret_key) && $this->apple_pay && ! $this->apple_pay_domain_set) {
+			echo '<div class="error stripe-apple-pay-message"><p>' . sprintf(__('Apple Pay domain verification failed. Please check the %1$slog%2$s to see the issue.', 'woocommerce-gateway-stripe'), '<a href="' . admin_url('admin.php?page=wc-status&tab=logs') . '">', '</a>') . '</p></div>';
 		}
 
 		// Show message if enabled and FORCE SSL is disabled and WordpressHTTPS plugin is not detected.
-		if ( ( function_exists( 'wc_site_is_https' ) && ! wc_site_is_https() ) && ( 'no' === get_option( 'woocommerce_force_ssl_checkout' ) && ! class_exists( 'WordPressHTTPS' ) ) ) {
-			echo '<div class="error stripe-ssl-message"><p>' . sprintf( __( 'Stripe is enabled, but the <a href="%s">force SSL option</a> is disabled; your checkout may not be secure! Please enable SSL and ensure your server has a valid SSL certificate - Stripe will only work in test mode.', 'woocommerce-gateway-stripe' ), admin_url( 'admin.php?page=wc-settings&tab=checkout' ) ) . '</p></div>';
+		if ((function_exists('wc_site_is_https') && ! wc_site_is_https()) && ('no' === get_option('woocommerce_force_ssl_checkout') && ! class_exists('WordPressHTTPS'))) {
+			echo '<div class="error stripe-ssl-message"><p>' . sprintf(__('Stripe is enabled, but the <a href="%s">force SSL option</a> is disabled; your checkout may not be secure! Please enable SSL and ensure your server has a valid SSL certificate - Stripe will only work in test mode.', 'woocommerce-gateway-stripe'), admin_url('admin.php?page=wc-settings&tab=checkout')) . '</p></div>';
 		}
 	}
 
@@ -393,11 +393,11 @@ 
 	 * Check if this gateway is enabled
 	 */
 	public function is_available() {
-		if ( 'yes' === $this->enabled ) {
-			if ( ! $this->testmode && is_checkout() && ! is_ssl() ) {
+		if ('yes' === $this->enabled) {
+			if ( ! $this->testmode && is_checkout() && ! is_ssl()) {
 				return false;
 			}
-			if ( ! $this->secret_key || ! $this->publishable_key ) {
+			if ( ! $this->secret_key || ! $this->publishable_key) {
 				return false;
 			}
 			return true;
@@ -409,7 +409,7 @@ 
 	 * Initialise Gateway Settings Form Fields
 	 */
 	public function init_form_fields() {
-		$this->form_fields = include( 'settings-stripe.php' );
+		$this->form_fields = include('settings-stripe.php');
 	}
 
 	/**
@@ -417,54 +417,54 @@ 
 	 */
 	public function payment_fields() {
 		$user                 = wp_get_current_user();
-		$display_tokenization = $this->supports( 'tokenization' ) && is_checkout() && $this->saved_cards;
+		$display_tokenization = $this->supports('tokenization') && is_checkout() && $this->saved_cards;
 		$total                = WC()->cart->total;
 
 		// If paying from order, we need to get total from order not cart.
-		if ( isset( $_GET['pay_for_order'] ) && isset( $_GET['key'] ) ) {
-			$order = wc_get_order( wc_get_order_id_by_order_key( wc_clean( $_GET['key'] ) ) );
+		if (isset($_GET['pay_for_order']) && isset($_GET['key'])) {
+			$order = wc_get_order(wc_get_order_id_by_order_key(wc_clean($_GET['key'])));
 			$total = $order->get_total();
 		}
 
-		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;
 		} else {
 			$user_email = '';
 		}
 
-		if ( is_add_payment_method_page() ) {
-			$pay_button_text = __( 'Add Card', 'woocommerce-gateway-stripe' );
+		if (is_add_payment_method_page()) {
+			$pay_button_text = __('Add Card', 'woocommerce-gateway-stripe');
 		} else {
 			$pay_button_text = '';
 		}
 
 		echo '<div
 			id="stripe-payment-data"
-			data-panel-label="' . esc_attr( $pay_button_text ) . '"
+			data-panel-label="' . esc_attr($pay_button_text) . '"
 			data-description=""
-			data-email="' . esc_attr( $user_email ) . '"
-			data-amount="' . esc_attr( $this->get_stripe_amount( $total ) ) . '"
-			data-name="' . esc_attr( $this->statement_descriptor ) . '"
-			data-currency="' . esc_attr( strtolower( get_woocommerce_currency() ) ) . '"
-			data-image="' . esc_attr( $this->stripe_checkout_image ) . '"
-			data-bitcoin="' . esc_attr( $this->bitcoin ? 'true' : 'false' ) . '"
-			data-locale="' . esc_attr( $this->stripe_checkout_locale ? $this->stripe_checkout_locale : 'en' ) . '"
-			data-allow-remember-me="' . esc_attr( $this->allow_remember_me ? 'true' : 'false' ) . '">';
+			data-email="' . esc_attr($user_email) . '"
+			data-amount="' . esc_attr($this->get_stripe_amount($total)) . '"
+			data-name="' . esc_attr($this->statement_descriptor) . '"
+			data-currency="' . esc_attr(strtolower(get_woocommerce_currency())) . '"
+			data-image="' . esc_attr($this->stripe_checkout_image) . '"
+			data-bitcoin="' . esc_attr($this->bitcoin ? 'true' : 'false') . '"
+			data-locale="' . esc_attr($this->stripe_checkout_locale ? $this->stripe_checkout_locale : 'en') . '"
+			data-allow-remember-me="' . esc_attr($this->allow_remember_me ? 'true' : 'false') . '">';
 
-		if ( $this->description ) {
-			echo apply_filters( 'wc_stripe_description', wpautop( wp_kses_post( $this->description ) ) );
+		if ($this->description) {
+			echo apply_filters('wc_stripe_description', wpautop(wp_kses_post($this->description)));
 		}
 
-		if ( $display_tokenization ) {
+		if ($display_tokenization) {
 			$this->tokenization_script();
 			$this->saved_payment_methods();
 		}
 
-		if ( ! $this->stripe_checkout ) {
+		if ( ! $this->stripe_checkout) {
 			$this->form();
 
-			if ( $display_tokenization ) {
+			if ($display_tokenization) {
 				$this->save_payment_method_checkbox();
 			}
 		}
@@ -480,20 +480,20 @@ 
 	 * @return array
 	 */
 	public function get_localized_messages() {
-		return apply_filters( 'wc_stripe_localized_messages', array(
-			'invalid_number'        => __( 'The card number is not a valid credit card number.', 'woocommerce-gateway-stripe' ),
-			'invalid_expiry_month'  => __( 'The card\'s expiration month is invalid.', 'woocommerce-gateway-stripe' ),
-			'invalid_expiry_year'   => __( 'The card\'s expiration year is invalid.', 'woocommerce-gateway-stripe' ),
-			'invalid_cvc'           => __( 'The card\'s security code is invalid.', 'woocommerce-gateway-stripe' ),
-			'incorrect_number'      => __( 'The card number is incorrect.', 'woocommerce-gateway-stripe' ),
-			'expired_card'          => __( 'The card has expired.', 'woocommerce-gateway-stripe' ),
-			'incorrect_cvc'         => __( 'The card\'s security code is incorrect.', 'woocommerce-gateway-stripe' ),
-			'incorrect_zip'         => __( 'The card\'s zip code failed validation.', 'woocommerce-gateway-stripe' ),
-			'card_declined'         => __( 'The card was declined.', 'woocommerce-gateway-stripe' ),
-			'missing'               => __( 'There is no card on a customer that is being charged.', 'woocommerce-gateway-stripe' ),
-			'processing_error'      => __( 'An error occurred while processing the card.', 'woocommerce-gateway-stripe' ),
-			'invalid_request_error' => __( 'Could not find payment information.', 'woocommerce-gateway-stripe' ),
-		) );
+		return apply_filters('wc_stripe_localized_messages', array(
+			'invalid_number'        => __('The card number is not a valid credit card number.', 'woocommerce-gateway-stripe'),
+			'invalid_expiry_month'  => __('The card\'s expiration month is invalid.', 'woocommerce-gateway-stripe'),
+			'invalid_expiry_year'   => __('The card\'s expiration year is invalid.', 'woocommerce-gateway-stripe'),
+			'invalid_cvc'           => __('The card\'s security code is invalid.', 'woocommerce-gateway-stripe'),
+			'incorrect_number'      => __('The card number is incorrect.', 'woocommerce-gateway-stripe'),
+			'expired_card'          => __('The card has expired.', 'woocommerce-gateway-stripe'),
+			'incorrect_cvc'         => __('The card\'s security code is incorrect.', 'woocommerce-gateway-stripe'),
+			'incorrect_zip'         => __('The card\'s zip code failed validation.', 'woocommerce-gateway-stripe'),
+			'card_declined'         => __('The card was declined.', 'woocommerce-gateway-stripe'),
+			'missing'               => __('There is no card on a customer that is being charged.', 'woocommerce-gateway-stripe'),
+			'processing_error'      => __('An error occurred while processing the card.', 'woocommerce-gateway-stripe'),
+			'invalid_request_error' => __('Could not find payment information.', 'woocommerce-gateway-stripe'),
+		));
 	}
 
 	/**
@@ -503,28 +503,28 @@ 
 	 * @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);
 
 		$stripe_admin_params = array(
 			'localized_messages' => array(
-				'not_valid_live_key_msg' => __( 'This is not a valid live key. Live keys start with "sk_live_" and "pk_live_".', 'woocommerce-gateway-stripe' ),
-				'not_valid_test_key_msg' => __( 'This is not a valid test key. Test keys start with "sk_test_" and "pk_test_".', 'woocommerce-gateway-stripe' ),
-				're_verify_button_text'  => __( 'Re-verify Domain', 'woocommerce-gateway-stripe' ),
-				'missing_secret_key'     => __( 'Missing Secret Key. Please set the secret key field above and re-try.', 'woocommerce-gateway-stripe' ),
+				'not_valid_live_key_msg' => __('This is not a valid live key. Live keys start with "sk_live_" and "pk_live_".', 'woocommerce-gateway-stripe'),
+				'not_valid_test_key_msg' => __('This is not a valid test key. Test keys start with "sk_test_" and "pk_test_".', 'woocommerce-gateway-stripe'),
+				're_verify_button_text'  => __('Re-verify Domain', 'woocommerce-gateway-stripe'),
+				'missing_secret_key'     => __('Missing Secret Key. Please set the secret key field above and re-try.', 'woocommerce-gateway-stripe'),
 			),
-			'ajaxurl'            => admin_url( 'admin-ajax.php' ),
+			'ajaxurl'            => admin_url('admin-ajax.php'),
 			'nonce'              => array( 
-				'apple_pay_domain_nonce' => wp_create_nonce( '_wc_stripe_apple_pay_domain_nonce' ),
+				'apple_pay_domain_nonce' => wp_create_nonce('_wc_stripe_apple_pay_domain_nonce'),
 			),
 		);
 
-		wp_localize_script( 'woocommerce_stripe_admin', 'wc_stripe_admin_params', apply_filters( 'wc_stripe_admin_params', $stripe_admin_params ) );
+		wp_localize_script('woocommerce_stripe_admin', 'wc_stripe_admin_params', apply_filters('wc_stripe_admin_params', $stripe_admin_params));
 	}
 
 	/**
@@ -535,49 +535,49 @@ 
 	 * @access public
 	 */
 	public function payment_scripts() {
-		if ( ! is_cart() && ! is_checkout() && ! isset( $_GET['pay_for_order'] ) && ! is_add_payment_method_page() ) {
+		if ( ! is_cart() && ! is_checkout() && ! isset($_GET['pay_for_order']) && ! is_add_payment_method_page()) {
 			return;
 		}
 
-		$suffix = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
+		$suffix = defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ? '' : '.min';
 
-		if ( $this->stripe_checkout ) {
-			wp_enqueue_script( 'stripe_checkout', 'https://checkout.stripe.com/v2/checkout.js', '', '2.0', true );
-			wp_enqueue_script( 'woocommerce_stripe', plugins_url( 'assets/js/stripe-checkout' . $suffix . '.js', WC_STRIPE_MAIN_FILE ), array( 'stripe' ), WC_STRIPE_VERSION, true );
+		if ($this->stripe_checkout) {
+			wp_enqueue_script('stripe_checkout', 'https://checkout.stripe.com/v2/checkout.js', '', '2.0', true);
+			wp_enqueue_script('woocommerce_stripe', plugins_url('assets/js/stripe-checkout' . $suffix . '.js', WC_STRIPE_MAIN_FILE), array('stripe'), WC_STRIPE_VERSION, true);
 		} else {
-			wp_enqueue_script( 'stripe', 'https://js.stripe.com/v2/', '', '1.0', true );
-			wp_enqueue_script( 'woocommerce_stripe', plugins_url( 'assets/js/stripe' . $suffix . '.js', WC_STRIPE_MAIN_FILE ), array( 'jquery-payment', 'stripe' ), WC_STRIPE_VERSION, true );
+			wp_enqueue_script('stripe', 'https://js.stripe.com/v2/', '', '1.0', true);
+			wp_enqueue_script('woocommerce_stripe', plugins_url('assets/js/stripe' . $suffix . '.js', WC_STRIPE_MAIN_FILE), array('jquery-payment', 'stripe'), WC_STRIPE_VERSION, true);
 		}
 
 		$stripe_params = array(
 			'key'                  => $this->publishable_key,
-			'i18n_terms'           => __( 'Please accept the terms and conditions first', 'woocommerce-gateway-stripe' ),
-			'i18n_required_fields' => __( 'Please fill in required checkout fields first', 'woocommerce-gateway-stripe' ),
+			'i18n_terms'           => __('Please accept the terms and conditions first', 'woocommerce-gateway-stripe'),
+			'i18n_required_fields' => __('Please fill in required checkout fields first', 'woocommerce-gateway-stripe'),
 		);
 
 		// If we're on the pay page we need to pass stripe.js the address of the order.
-		if ( isset( $_GET['pay_for_order'] ) && 'true' === $_GET['pay_for_order'] ) {
-			$order_id = wc_get_order_id_by_order_key( urldecode( $_GET['key'] ) );
-			$order    = wc_get_order( $order_id );
+		if (isset($_GET['pay_for_order']) && 'true' === $_GET['pay_for_order']) {
+			$order_id = wc_get_order_id_by_order_key(urldecode($_GET['key']));
+			$order    = wc_get_order($order_id);
 
-			$stripe_params['billing_first_name'] = version_compare( WC_VERSION, '3.0.0', '<' ) ? $order->billing_first_name : $order->get_billing_first_name();
-			$stripe_params['billing_last_name']  = version_compare( WC_VERSION, '3.0.0', '<' ) ? $order->billing_last_name : $order->get_billing_last_name();
-			$stripe_params['billing_address_1']  = version_compare( WC_VERSION, '3.0.0', '<' ) ? $order->billing_address_1 : $order->get_billing_address_1();
-			$stripe_params['billing_address_2']  = version_compare( WC_VERSION, '3.0.0', '<' ) ? $order->billing_address_2 : $order->get_billing_address_2();
-			$stripe_params['billing_state']      = version_compare( WC_VERSION, '3.0.0', '<' ) ? $order->billing_state : $order->get_billing_state();
-			$stripe_params['billing_city']       = version_compare( WC_VERSION, '3.0.0', '<' ) ? $order->billing_city : $order->get_billing_city();
-			$stripe_params['billing_postcode']   = version_compare( WC_VERSION, '3.0.0', '<' ) ? $order->billing_postcode : $order->get_billing_postcode();
-			$stripe_params['billing_country']    = version_compare( WC_VERSION, '3.0.0', '<' ) ? $order->billing_country : $order->get_billing_country();
+			$stripe_params['billing_first_name'] = version_compare(WC_VERSION, '3.0.0', '<') ? $order->billing_first_name : $order->get_billing_first_name();
+			$stripe_params['billing_last_name']  = version_compare(WC_VERSION, '3.0.0', '<') ? $order->billing_last_name : $order->get_billing_last_name();
+			$stripe_params['billing_address_1']  = version_compare(WC_VERSION, '3.0.0', '<') ? $order->billing_address_1 : $order->get_billing_address_1();
+			$stripe_params['billing_address_2']  = version_compare(WC_VERSION, '3.0.0', '<') ? $order->billing_address_2 : $order->get_billing_address_2();
+			$stripe_params['billing_state']      = version_compare(WC_VERSION, '3.0.0', '<') ? $order->billing_state : $order->get_billing_state();
+			$stripe_params['billing_city']       = version_compare(WC_VERSION, '3.0.0', '<') ? $order->billing_city : $order->get_billing_city();
+			$stripe_params['billing_postcode']   = version_compare(WC_VERSION, '3.0.0', '<') ? $order->billing_postcode : $order->get_billing_postcode();
+			$stripe_params['billing_country']    = version_compare(WC_VERSION, '3.0.0', '<') ? $order->billing_country : $order->get_billing_country();
 		}
 
-		$stripe_params['no_prepaid_card_msg']                     = __( 'Sorry, we\'re not accepting prepaid cards at this time.', 'woocommerce-gateway-stripe' );
-		$stripe_params['allow_prepaid_card']                      = apply_filters( 'wc_stripe_allow_prepaid_card', true ) ? 'yes' : 'no';
-		$stripe_params['stripe_checkout_require_billing_address'] = apply_filters( 'wc_stripe_checkout_require_billing_address', false ) ? 'yes' : 'no';
+		$stripe_params['no_prepaid_card_msg']                     = __('Sorry, we\'re not accepting prepaid cards at this time.', 'woocommerce-gateway-stripe');
+		$stripe_params['allow_prepaid_card']                      = apply_filters('wc_stripe_allow_prepaid_card', true) ? 'yes' : 'no';
+		$stripe_params['stripe_checkout_require_billing_address'] = apply_filters('wc_stripe_checkout_require_billing_address', false) ? 'yes' : 'no';
 
 		// merge localized messages to be use in JS
-		$stripe_params = array_merge( $stripe_params, $this->get_localized_messages() );
+		$stripe_params = array_merge($stripe_params, $this->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));
 	}
 
 	/**
@@ -586,35 +586,35 @@ 
 	 * @param  object $source
 	 * @return array()
 	 */
-	protected function generate_payment_request( $order, $source ) {
+	protected function generate_payment_request($order, $source) {
 		$post_data                = array();
-		$post_data['currency']    = strtolower( version_compare( WC_VERSION, '3.0.0', '<' ) ? $order->get_order_currency() : $order->get_currency() );
-		$post_data['amount']      = $this->get_stripe_amount( $order->get_total(), $post_data['currency'] );
-		$post_data['description'] = sprintf( __( '%1$s - Order %2$s', 'woocommerce-gateway-stripe' ), $this->statement_descriptor, $order->get_order_number() );
+		$post_data['currency']    = strtolower(version_compare(WC_VERSION, '3.0.0', '<') ? $order->get_order_currency() : $order->get_currency());
+		$post_data['amount']      = $this->get_stripe_amount($order->get_total(), $post_data['currency']);
+		$post_data['description'] = sprintf(__('%1$s - Order %2$s', 'woocommerce-gateway-stripe'), $this->statement_descriptor, $order->get_order_number());
 		$post_data['capture']     = $this->capture ? 'true' : 'false';
 
-		$billing_email      = version_compare( WC_VERSION, '3.0.0', '<' ) ? $order->billing_email : $order->get_billing_email();
-		$billing_first_name = version_compare( WC_VERSION, '3.0.0', '<' ) ? $order->billing_first_name : $order->get_billing_first_name();
-		$billing_last_name  = version_compare( WC_VERSION, '3.0.0', '<' ) ? $order->billing_last_name : $order->get_billing_last_name();
+		$billing_email      = version_compare(WC_VERSION, '3.0.0', '<') ? $order->billing_email : $order->get_billing_email();
+		$billing_first_name = version_compare(WC_VERSION, '3.0.0', '<') ? $order->billing_first_name : $order->get_billing_first_name();
+		$billing_last_name  = version_compare(WC_VERSION, '3.0.0', '<') ? $order->billing_last_name : $order->get_billing_last_name();
 
-		if ( ! empty( $billing_email ) && apply_filters( 'wc_stripe_send_stripe_receipt', false ) ) {
+		if ( ! empty($billing_email) && apply_filters('wc_stripe_send_stripe_receipt', false)) {
 			$post_data['receipt_email'] = $billing_email;
 		}
 
-		$post_data['expand[]']    = 'balance_transaction';
+		$post_data['expand[]'] = 'balance_transaction';
 
 		$metadata = array(
-			__( 'Customer Name', 'woocommerce-gateway-stripe' ) => sanitize_text_field( $billing_first_name ) . ' ' . sanitize_text_field( $billing_last_name ),
-			__( 'Customer Email', 'woocommerce-gateway-stripe' ) => sanitize_email( $billing_email ),
+			__('Customer Name', 'woocommerce-gateway-stripe') => sanitize_text_field($billing_first_name) . ' ' . sanitize_text_field($billing_last_name),
+			__('Customer Email', 'woocommerce-gateway-stripe') => sanitize_email($billing_email),
 		);
 
-		$post_data['metadata'] = apply_filters( 'wc_stripe_payment_metadata', $metadata, $order, $source );
+		$post_data['metadata'] = apply_filters('wc_stripe_payment_metadata', $metadata, $order, $source);
 
-		if ( $source->customer ) {
+		if ($source->customer) {
 			$post_data['customer'] = $source->customer;
 		}
 
-		if ( $source->source ) {
+		if ($source->source) {
 			$post_data['source'] = $source->source;
 		}
 
@@ -626,7 +626,7 @@ 
 		 * @param WC_Order $order
 		 * @param object $source
 		 */
-		return apply_filters( 'wc_stripe_generate_payment_request', $post_data, $order, $source );
+		return apply_filters('wc_stripe_generate_payment_request', $post_data, $order, $source);
 	}
 
 	/**
@@ -638,37 +638,37 @@ 
 	 * @throws Exception When card was not added or for and invalid card.
 	 * @return object
 	 */
-	protected function get_source( $user_id, $force_customer = false ) {
-		$stripe_customer = new WC_Stripe_Customer( $user_id );
+	protected function get_source($user_id, $force_customer = false) {
+		$stripe_customer = new WC_Stripe_Customer($user_id);
 		$stripe_source   = false;
 		$token_id        = false;
 
 		// New CC info was entered and we have a new token to process
-		if ( isset( $_POST['stripe_token'] ) ) {
-			$stripe_token     = wc_clean( $_POST['stripe_token'] );
-			$maybe_saved_card = isset( $_POST['wc-stripe-new-payment-method'] ) && ! empty( $_POST['wc-stripe-new-payment-method'] );
+		if (isset($_POST['stripe_token'])) {
+			$stripe_token     = wc_clean($_POST['stripe_token']);
+			$maybe_saved_card = isset($_POST['wc-stripe-new-payment-method']) && ! empty($_POST['wc-stripe-new-payment-method']);
 
 			// This is true if the user wants to store the card to their account.
-			if ( ( $user_id && $this->saved_cards && $maybe_saved_card ) || $force_customer ) {
-				$stripe_source = $stripe_customer->add_card( $stripe_token );
+			if (($user_id && $this->saved_cards && $maybe_saved_card) || $force_customer) {
+				$stripe_source = $stripe_customer->add_card($stripe_token);
 
-				if ( is_wp_error( $stripe_source ) ) {
-					throw new Exception( $stripe_source->get_error_message() );
+				if (is_wp_error($stripe_source)) {
+					throw new Exception($stripe_source->get_error_message());
 				}
 			} else {
 				// Not saving token, so don't define customer either.
 				$stripe_source   = $stripe_token;
 				$stripe_customer = false;
 			}
-		} elseif ( isset( $_POST['wc-stripe-payment-token'] ) && 'new' !== $_POST['wc-stripe-payment-token'] ) {
+		} elseif (isset($_POST['wc-stripe-payment-token']) && 'new' !== $_POST['wc-stripe-payment-token']) {
 			// Use an existing token, and then process the payment
 
-			$token_id = wc_clean( $_POST['wc-stripe-payment-token'] );
-			$token    = WC_Payment_Tokens::get( $token_id );
+			$token_id = wc_clean($_POST['wc-stripe-payment-token']);
+			$token    = WC_Payment_Tokens::get($token_id);
 
-			if ( ! $token || $token->get_user_id() !== get_current_user_id() ) {
-				WC()->session->set( 'refresh_totals', true );
-				throw new Exception( __( 'Invalid payment method. Please input a new card number.', 'woocommerce-gateway-stripe' ) );
+			if ( ! $token || $token->get_user_id() !== get_current_user_id()) {
+				WC()->session->set('refresh_totals', true);
+				throw new Exception(__('Invalid payment method. Please input a new card number.', 'woocommerce-gateway-stripe'));
 			}
 
 			$stripe_source = $token->get_token();
@@ -692,19 +692,19 @@ 
 	 * @param object $order
 	 * @return object
 	 */
-	protected function get_order_source( $order = null ) {
+	protected function get_order_source($order = null) {
 		$stripe_customer = new WC_Stripe_Customer();
 		$stripe_source   = false;
 		$token_id        = false;
 
-		if ( $order ) {
-			$order_id = version_compare( WC_VERSION, '3.0.0', '<' ) ? $order->id : $order->get_id();
+		if ($order) {
+			$order_id = version_compare(WC_VERSION, '3.0.0', '<') ? $order->id : $order->get_id();
 
-			if ( $meta_value = get_post_meta( $order_id, '_stripe_customer_id', true ) ) {
-				$stripe_customer->set_id( $meta_value );
+			if ($meta_value = get_post_meta($order_id, '_stripe_customer_id', true)) {
+				$stripe_customer->set_id($meta_value);
 			}
 
-			if ( $meta_value = get_post_meta( $order_id, '_stripe_card_id', true ) ) {
+			if ($meta_value = get_post_meta($order_id, '_stripe_card_id', true)) {
 				$stripe_source = $meta_value;
 			}
 		}
@@ -727,57 +727,57 @@ 
 	 *
 	 * @return array|void
 	 */
-	public function process_payment( $order_id, $retry = true, $force_customer = false ) {
+	public function process_payment($order_id, $retry = true, $force_customer = false) {
 		try {
-			$order  = wc_get_order( $order_id );
-			$source = $this->get_source( get_current_user_id(), $force_customer );
+			$order  = wc_get_order($order_id);
+			$source = $this->get_source(get_current_user_id(), $force_customer);
 
-			if ( empty( $source->source ) && empty( $source->customer ) ) {
-				$error_msg = __( 'Please enter your card details to make a payment.', 'woocommerce-gateway-stripe' );
-				$error_msg .= ' ' . __( 'Developers: Please make sure that you are including jQuery and there are no JavaScript errors on the page.', 'woocommerce-gateway-stripe' );
-				throw new Exception( $error_msg );
+			if (empty($source->source) && empty($source->customer)) {
+				$error_msg = __('Please enter your card details to make a payment.', 'woocommerce-gateway-stripe');
+				$error_msg .= ' ' . __('Developers: Please make sure that you are including jQuery and there are no JavaScript errors on the page.', 'woocommerce-gateway-stripe');
+				throw new Exception($error_msg);
 			}
 
 			// Store source to order meta.
-			$this->save_source( $order, $source );
+			$this->save_source($order, $source);
 
 			// Handle payment.
-			if ( $order->get_total() > 0 ) {
+			if ($order->get_total() > 0) {
 
-				if ( $order->get_total() * 100 < WC_Stripe::get_minimum_amount() ) {
-					throw new Exception( sprintf( __( 'Sorry, the minimum allowed order total is %1$s to use this payment method.', 'woocommerce-gateway-stripe' ), wc_price( WC_Stripe::get_minimum_amount() / 100 ) ) );
+				if ($order->get_total() * 100 < WC_Stripe::get_minimum_amount()) {
+					throw new Exception(sprintf(__('Sorry, the minimum allowed order total is %1$s to use this payment method.', 'woocommerce-gateway-stripe'), wc_price(WC_Stripe::get_minimum_amount() / 100)));
 				}
 
-				$this->log( "Info: Begin processing payment for order $order_id for the amount of {$order->get_total()}" );
+				$this->log("Info: Begin processing payment for order $order_id for the amount of {$order->get_total()}");
 
 				// Make the request.
-				$response = WC_Stripe_API::request( $this->generate_payment_request( $order, $source ) );
+				$response = WC_Stripe_API::request($this->generate_payment_request($order, $source));
 
-				if ( is_wp_error( $response ) ) {
+				if (is_wp_error($response)) {
 					// Customer param wrong? The user may have been deleted on stripe's end. Remove customer_id. Can be retried without.
-					if ( 'customer' === $response->get_error_code() && $retry ) {
-						delete_user_meta( get_current_user_id(), '_stripe_customer_id' );
-						return $this->process_payment( $order_id, false, $force_customer );
+					if ('customer' === $response->get_error_code() && $retry) {
+						delete_user_meta(get_current_user_id(), '_stripe_customer_id');
+						return $this->process_payment($order_id, false, $force_customer);
 						// Source param wrong? The CARD may have been deleted on stripe's end. Remove token and show message.
-					} elseif ( 'source' === $response->get_error_code() && $source->token_id ) {
-						$token = WC_Payment_Tokens::get( $source->token_id );
+					} elseif ('source' === $response->get_error_code() && $source->token_id) {
+						$token = WC_Payment_Tokens::get($source->token_id);
 						$token->delete();
-						$message = __( 'This card is no longer available and has been removed.', 'woocommerce-gateway-stripe' );
-						$order->add_order_note( $message );
-						throw new Exception( $message );
+						$message = __('This card is no longer available and has been removed.', 'woocommerce-gateway-stripe');
+						$order->add_order_note($message);
+						throw new Exception($message);
 					}
 
 					$localized_messages = $this->get_localized_messages();
 
-					$message = isset( $localized_messages[ $response->get_error_code() ] ) ? $localized_messages[ $response->get_error_code() ] : $response->get_error_message();
+					$message = isset($localized_messages[$response->get_error_code()]) ? $localized_messages[$response->get_error_code()] : $response->get_error_message();
 
-					$order->add_order_note( $message );
+					$order->add_order_note($message);
 
-					throw new Exception( $message );
+					throw new Exception($message);
 				}
 
 				// Process valid response.
-				$this->process_response( $response, $order );
+				$this->process_response($response, $order);
 			} else {
 				$order->payment_complete();
 			}
@@ -785,23 +785,23 @@ 
 			// Remove cart.
 			WC()->cart->empty_cart();
 
-			do_action( 'wc_gateway_stripe_process_payment', $response, $order );
+			do_action('wc_gateway_stripe_process_payment', $response, $order);
 
 			// Return thank you page redirect.
 			return array(
 				'result'   => 'success',
-				'redirect' => $this->get_return_url( $order ),
+				'redirect' => $this->get_return_url($order),
 			);
 
-		} catch ( Exception $e ) {
-			wc_add_notice( $e->getMessage(), 'error' );
-			$this->log( sprintf( __( 'Error: %s', 'woocommerce-gateway-stripe' ), $e->getMessage() ) );
+		} catch (Exception $e) {
+			wc_add_notice($e->getMessage(), 'error');
+			$this->log(sprintf(__('Error: %s', 'woocommerce-gateway-stripe'), $e->getMessage()));
 
-			if ( $order->has_status( array( 'pending', 'failed' ) ) ) {
-				$this->send_failed_order_email( $order_id );
+			if ($order->has_status(array('pending', 'failed'))) {
+				$this->send_failed_order_email($order_id);
 			}
 
-			do_action( 'wc_gateway_stripe_process_payment_error', $e, $order );
+			do_action('wc_gateway_stripe_process_payment_error', $e, $order);
 
 			return array(
 				'result'   => 'fail',
@@ -816,56 +816,56 @@ 
 	 * @param WC_Order $order For to which the source applies.
 	 * @param stdClass $source Source information.
 	 */
-	protected function save_source( $order, $source ) {
-		$order_id = version_compare( WC_VERSION, '3.0.0', '<' ) ? $order->id : $order->get_id();
+	protected function save_source($order, $source) {
+		$order_id = version_compare(WC_VERSION, '3.0.0', '<') ? $order->id : $order->get_id();
 
 		// Store source in the order.
-		if ( $source->customer ) {
-			update_post_meta( $order_id, '_stripe_customer_id', $source->customer );
+		if ($source->customer) {
+			update_post_meta($order_id, '_stripe_customer_id', $source->customer);
 		}
-		if ( $source->source ) {
-			update_post_meta( $order_id, '_stripe_card_id', $source->source );
+		if ($source->source) {
+			update_post_meta($order_id, '_stripe_card_id', $source->source);
 		}
 	}
 
 	/**
 	 * Store extra meta data for an order from a Stripe Response.
 	 */
-	public function process_response( $response, $order ) {
-		$this->log( 'Processing response: ' . print_r( $response, true ) );
+	public function process_response($response, $order) {
+		$this->log('Processing response: ' . print_r($response, true));
 
-		$order_id = version_compare( WC_VERSION, '3.0.0', '<' ) ? $order->id : $order->get_id();
+		$order_id = version_compare(WC_VERSION, '3.0.0', '<') ? $order->id : $order->get_id();
 
 		// Store charge data
-		update_post_meta( $order_id, '_stripe_charge_id', $response->id );
-		update_post_meta( $order_id, '_stripe_charge_captured', $response->captured ? 'yes' : 'no' );
+		update_post_meta($order_id, '_stripe_charge_id', $response->id);
+		update_post_meta($order_id, '_stripe_charge_captured', $response->captured ? 'yes' : 'no');
 
 		// Store other data such as fees
-		if ( isset( $response->balance_transaction ) && isset( $response->balance_transaction->fee ) ) {
+		if (isset($response->balance_transaction) && isset($response->balance_transaction->fee)) {
 			// Fees and Net needs to both come from Stripe to be accurate as the returned
 			// values are in the local currency of the Stripe account, not from WC.
-			$fee = ! empty( $response->balance_transaction->fee ) ? WC_Stripe::format_number( $response->balance_transaction, 'fee' ) : 0;
-			$net = ! empty( $response->balance_transaction->net ) ? WC_Stripe::format_number( $response->balance_transaction, 'net' ) : 0;
-			update_post_meta( $order_id, 'Stripe Fee', $fee );
-			update_post_meta( $order_id, 'Net Revenue From Stripe', $net );
+			$fee = ! empty($response->balance_transaction->fee) ? WC_Stripe::format_number($response->balance_transaction, 'fee') : 0;
+			$net = ! empty($response->balance_transaction->net) ? WC_Stripe::format_number($response->balance_transaction, 'net') : 0;
+			update_post_meta($order_id, 'Stripe Fee', $fee);
+			update_post_meta($order_id, 'Net Revenue From Stripe', $net);
 		}
 
-		if ( $response->captured ) {
-			$order->payment_complete( $response->id );
+		if ($response->captured) {
+			$order->payment_complete($response->id);
 
-			$message = sprintf( __( 'Stripe charge complete (Charge ID: %s)', 'woocommerce-gateway-stripe' ), $response->id );
-			$order->add_order_note( $message );
-			$this->log( 'Success: ' . $message );
+			$message = sprintf(__('Stripe charge complete (Charge ID: %s)', 'woocommerce-gateway-stripe'), $response->id);
+			$order->add_order_note($message);
+			$this->log('Success: ' . $message);
 
 		} else {
-			add_post_meta( $order_id, '_transaction_id', $response->id, true );
+			add_post_meta($order_id, '_transaction_id', $response->id, true);
 
-			if ( $order->has_status( array( 'pending', 'failed' ) ) ) {
-				version_compare( WC_VERSION, '3.0.0', '<' ) ? $order->reduce_order_stock() : wc_reduce_stock_levels( $order_id );
+			if ($order->has_status(array('pending', 'failed'))) {
+				version_compare(WC_VERSION, '3.0.0', '<') ? $order->reduce_order_stock() : wc_reduce_stock_levels($order_id);
 			}
 
-			$order->update_status( 'on-hold', sprintf( __( 'Stripe charge authorized (Charge ID: %s). Process order to take payment, or cancel to remove the pre-authorization.', 'woocommerce-gateway-stripe' ), $response->id ) );
-			$this->log( "Successful auth: $response->id" );
+			$order->update_status('on-hold', sprintf(__('Stripe charge authorized (Charge ID: %s). Process order to take payment, or cancel to remove the pre-authorization.', 'woocommerce-gateway-stripe'), $response->id));
+			$this->log("Successful auth: $response->id");
 		}
 
 		return $response;
@@ -877,32 +877,32 @@ 
 	 * @since 3.0.0
 	 */
 	public function add_payment_method() {
-		if ( empty( $_POST['stripe_token'] ) || ! is_user_logged_in() ) {
-			wc_add_notice( __( 'There was a problem adding the card.', 'woocommerce-gateway-stripe' ), 'error' );
+		if (empty($_POST['stripe_token']) || ! is_user_logged_in()) {
+			wc_add_notice(__('There was a problem adding the card.', 'woocommerce-gateway-stripe'), 'error');
 			return;
 		}
 
-		$stripe_customer = new WC_Stripe_Customer( get_current_user_id() );
-		$card            = $stripe_customer->add_card( wc_clean( $_POST['stripe_token'] ) );
+		$stripe_customer = new WC_Stripe_Customer(get_current_user_id());
+		$card            = $stripe_customer->add_card(wc_clean($_POST['stripe_token']));
 
-		if ( is_wp_error( $card ) ) {
+		if (is_wp_error($card)) {
 			$localized_messages = $this->get_localized_messages();
-			$error_msg = __( 'There was a problem adding the card.', 'woocommerce-gateway-stripe' );
+			$error_msg = __('There was a problem adding the card.', 'woocommerce-gateway-stripe');
 
 			// loop through the errors to find matching localized message
-			foreach ( $card->errors as $error => $msg ) {
-				if ( isset( $localized_messages[ $error ] ) ) {
-					$error_msg = $localized_messages[ $error ];
+			foreach ($card->errors as $error => $msg) {
+				if (isset($localized_messages[$error])) {
+					$error_msg = $localized_messages[$error];
 				}
 			}
 
-			wc_add_notice( $error_msg, 'error' );
+			wc_add_notice($error_msg, 'error');
 			return;
 		}
 
 		return array(
 			'result'   => 'success',
-			'redirect' => wc_get_endpoint_url( 'payment-methods' ),
+			'redirect' => wc_get_endpoint_url('payment-methods'),
 		);
 	}
 
@@ -912,36 +912,36 @@ 
 	 * @param  float $amount
 	 * @return bool
 	 */
-	public function process_refund( $order_id, $amount = null, $reason = '' ) {
-		$order = wc_get_order( $order_id );
+	public function process_refund($order_id, $amount = null, $reason = '') {
+		$order = wc_get_order($order_id);
 
-		if ( ! $order || ! $order->get_transaction_id() ) {
+		if ( ! $order || ! $order->get_transaction_id()) {
 			return false;
 		}
 
 		$body = array();
 
-		if ( ! is_null( $amount ) ) {
-			$body['amount']	= $this->get_stripe_amount( $amount );
+		if ( ! is_null($amount)) {
+			$body['amount'] = $this->get_stripe_amount($amount);
 		}
 
-		if ( $reason ) {
+		if ($reason) {
 			$body['metadata'] = array(
 				'reason'	=> $reason,
 			);
 		}
 
-		$this->log( "Info: Beginning refund for order $order_id for the amount of {$amount}" );
+		$this->log("Info: Beginning refund for order $order_id for the amount of {$amount}");
 
-		$response = WC_Stripe_API::request( $body, 'charges/' . $order->get_transaction_id() . '/refunds' );
+		$response = WC_Stripe_API::request($body, 'charges/' . $order->get_transaction_id() . '/refunds');
 
-		if ( is_wp_error( $response ) ) {
-			$this->log( 'Error: ' . $response->get_error_message() );
+		if (is_wp_error($response)) {
+			$this->log('Error: ' . $response->get_error_message());
 			return $response;
-		} elseif ( ! empty( $response->id ) ) {
-			$refund_message = sprintf( __( 'Refunded %1$s - Refund ID: %2$s - Reason: %3$s', 'woocommerce-gateway-stripe' ), wc_price( $response->amount / 100 ), $response->id, $reason );
-			$order->add_order_note( $refund_message );
-			$this->log( 'Success: ' . html_entity_decode( strip_tags( $refund_message ) ) );
+		} elseif ( ! empty($response->id)) {
+			$refund_message = sprintf(__('Refunded %1$s - Refund ID: %2$s - Reason: %3$s', 'woocommerce-gateway-stripe'), wc_price($response->amount / 100), $response->id, $reason);
+			$order->add_order_note($refund_message);
+			$this->log('Success: ' . html_entity_decode(strip_tags($refund_message)));
 			return true;
 		}
 	}
@@ -954,10 +954,10 @@ 
 	 * @param int $order_id
 	 * @return null
 	 */
-	public function send_failed_order_email( $order_id ) {
+	public function send_failed_order_email($order_id) {
 		$emails = WC()->mailer()->get_emails();
-		if ( ! empty( $emails ) && ! empty( $order_id ) ) {
-			$emails['WC_Email_Failed_Order']->trigger( $order_id );
+		if ( ! empty($emails) && ! empty($order_id)) {
+			$emails['WC_Email_Failed_Order']->trigger($order_id);
 		}
 	}
 
@@ -969,9 +969,9 @@ 
 	 *
 	 * @param string $message
 	 */
-	public function log( $message ) {
-		if ( $this->logging ) {
-			WC_Stripe::log( $message );
+	public function log($message) {
+		if ($this->logging) {
+			WC_Stripe::log($message);
 		}
 	}
 }

woocommerce-gateway-stripe.php

Spacing +150 added lines, -150 removed lines

@@ -25,21 +25,21 @@ 
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit;
 }
 
 /**
  * Required minimums and constants
  */
-define( 'WC_STRIPE_VERSION', '3.1.2' );
-define( 'WC_STRIPE_MIN_PHP_VER', '5.6.0' );
-define( 'WC_STRIPE_MIN_WC_VER', '2.5.0' );
-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', '3.1.2');
+define('WC_STRIPE_MIN_PHP_VER', '5.6.0');
+define('WC_STRIPE_MIN_WC_VER', '2.5.0');
+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__)));
 
-if ( ! class_exists( 'WC_Stripe' ) ) :
+if ( ! class_exists('WC_Stripe')) :
 
 	class WC_Stripe {
 
@@ -59,7 +59,7 @@ 
 		 * @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;
@@ -108,9 +108,9 @@ 
 		 * *Singleton* via the `new` operator from outside of this class.
 		 */
 		protected function __construct() {
-			add_action( 'admin_init', array( $this, 'check_environment' ) );
-			add_action( 'admin_notices', array( $this, 'admin_notices' ), 15 );
-			add_action( 'plugins_loaded', array( $this, 'init' ) );
+			add_action('admin_init', array($this, 'check_environment'));
+			add_action('admin_notices', array($this, 'admin_notices'), 15);
+			add_action('plugins_loaded', array($this, 'init'));
 		}
 
 		/**
@@ -118,35 +118,35 @@ 
 		 */
 		public function init() {
 			// Don't hook anything else in the plugin if we're in an incompatible environment
-			if ( self::get_environment_warning() ) {
+			if (self::get_environment_warning()) {
 				return;
 			}
 
-			include_once( dirname( __FILE__ ) . '/includes/class-wc-stripe-api.php' );
-			include_once( dirname( __FILE__ ) . '/includes/class-wc-stripe-customer.php' );
+			include_once(dirname(__FILE__) . '/includes/class-wc-stripe-api.php');
+			include_once(dirname(__FILE__) . '/includes/class-wc-stripe-customer.php');
 
 			// Init the gateway itself
 			$this->init_gateways();
 
-			add_filter( 'plugin_action_links_' . plugin_basename( __FILE__ ), array( $this, 'plugin_action_links' ) );
-			add_action( 'woocommerce_order_status_on-hold_to_processing', array( $this, 'capture_payment' ) );
-			add_action( 'woocommerce_order_status_on-hold_to_completed', array( $this, 'capture_payment' ) );
-			add_action( 'woocommerce_order_status_on-hold_to_cancelled', array( $this, 'cancel_payment' ) );
-			add_action( 'woocommerce_order_status_on-hold_to_refunded', array( $this, 'cancel_payment' ) );
-			add_filter( 'woocommerce_get_customer_payment_tokens', array( $this, 'woocommerce_get_customer_payment_tokens' ), 10, 3 );
-			add_action( 'woocommerce_payment_token_deleted', array( $this, 'woocommerce_payment_token_deleted' ), 10, 2 );
-			add_action( 'woocommerce_payment_token_set_default', array( $this, 'woocommerce_payment_token_set_default' ) );
-			add_action( 'wp_ajax_stripe_dismiss_request_api_notice', array( $this, 'dismiss_request_api_notice' ) );
-			add_action( 'wp_ajax_stripe_dismiss_apple_pay_notice', array( $this, 'dismiss_apple_pay_notice' ) );
-
-			include_once( dirname( __FILE__ ) . '/includes/class-wc-stripe-payment-request.php' );
+			add_filter('plugin_action_links_' . plugin_basename(__FILE__), array($this, 'plugin_action_links'));
+			add_action('woocommerce_order_status_on-hold_to_processing', array($this, 'capture_payment'));
+			add_action('woocommerce_order_status_on-hold_to_completed', array($this, 'capture_payment'));
+			add_action('woocommerce_order_status_on-hold_to_cancelled', array($this, 'cancel_payment'));
+			add_action('woocommerce_order_status_on-hold_to_refunded', array($this, 'cancel_payment'));
+			add_filter('woocommerce_get_customer_payment_tokens', array($this, 'woocommerce_get_customer_payment_tokens'), 10, 3);
+			add_action('woocommerce_payment_token_deleted', array($this, 'woocommerce_payment_token_deleted'), 10, 2);
+			add_action('woocommerce_payment_token_set_default', array($this, 'woocommerce_payment_token_set_default'));
+			add_action('wp_ajax_stripe_dismiss_request_api_notice', array($this, 'dismiss_request_api_notice'));
+			add_action('wp_ajax_stripe_dismiss_apple_pay_notice', array($this, 'dismiss_apple_pay_notice'));
+
+			include_once(dirname(__FILE__) . '/includes/class-wc-stripe-payment-request.php');
 		}
 
 		/**
 		 * Allow this class and other classes to add slug keyed notices (to avoid duplication)
 		 */
-		public function add_admin_notice( $slug, $class, $message ) {
-			$this->notices[ $slug ] = array(
+		public function add_admin_notice($slug, $class, $message) {
+			$this->notices[$slug] = array(
 				'class'   => $class,
 				'message' => $message,
 			);
@@ -157,29 +157,29 @@ 
 		 * or the environment changes after activation. Also handles upgrade routines.
 		 */
 		public function check_environment() {
-			if ( ! defined( 'IFRAME_REQUEST' ) && ( WC_STRIPE_VERSION !== get_option( 'woocommerce_stripe_version' ) ) ) {
+			if ( ! defined('IFRAME_REQUEST') && (WC_STRIPE_VERSION !== get_option('woocommerce_stripe_version'))) {
 				$this->install();
 
-				do_action( 'woocommerce_stripe_updated' );
+				do_action('woocommerce_stripe_updated');
 			}
 
 			$environment_warning = self::get_environment_warning();
 
-			if ( $environment_warning && is_plugin_active( plugin_basename( __FILE__ ) ) ) {
-				$this->add_admin_notice( 'bad_environment', 'error', $environment_warning );
+			if ($environment_warning && is_plugin_active(plugin_basename(__FILE__))) {
+				$this->add_admin_notice('bad_environment', 'error', $environment_warning);
 			}
 
 			// Check if secret key present. Otherwise prompt, via notice, to go to
 			// setting.
-			if ( ! class_exists( 'WC_Stripe_API' ) ) {
-				include_once( dirname( __FILE__ ) . '/includes/class-wc-stripe-api.php' );
+			if ( ! class_exists('WC_Stripe_API')) {
+				include_once(dirname(__FILE__) . '/includes/class-wc-stripe-api.php');
 			}
 
 			$secret = WC_Stripe_API::get_secret_key();
 
-			if ( empty( $secret ) && ! ( isset( $_GET['page'], $_GET['section'] ) && 'wc-settings' === $_GET['page'] && 'stripe' === $_GET['section'] ) ) {
+			if (empty($secret) && ! (isset($_GET['page'], $_GET['section']) && 'wc-settings' === $_GET['page'] && 'stripe' === $_GET['section'])) {
 				$setting_link = $this->get_setting_link();
-				$this->add_admin_notice( 'prompt_connect', 'notice notice-warning', sprintf( __( 'Stripe is almost ready. To get started, <a href="%s">set your Stripe account keys</a>.', 'woocommerce-gateway-stripe' ), $setting_link ) );
+				$this->add_admin_notice('prompt_connect', 'notice notice-warning', sprintf(__('Stripe is almost ready. To get started, <a href="%s">set your Stripe account keys</a>.', 'woocommerce-gateway-stripe'), $setting_link));
 			}
 		}
 
@@ -191,8 +191,8 @@ 
 		 * @return bool
 		 */
 		private static function _update_plugin_version() {
-			delete_option( 'wc_stripe_version' );
-			add_option( 'wc_stripe_version', WC_STRIPE_VERSION );
+			delete_option('wc_stripe_version');
+			add_option('wc_stripe_version', WC_STRIPE_VERSION);
 
 			return true;
 		}
@@ -204,7 +204,7 @@ 
 		 * @version 3.1.0
 		 */
 		public function dismiss_request_api_notice() {
-			add_option( 'wc_stripe_show_request_api_notice', 'no' );
+			add_option('wc_stripe_show_request_api_notice', 'no');
 		}
 
 		/**
@@ -214,7 +214,7 @@ 
 		 * @version 3.1.0
 		 */
 		public function dismiss_apple_pay_notice() {
-			add_option( 'wc_stripe_show_apple_pay_notice', 'no' );
+			add_option('wc_stripe_show_apple_pay_notice', 'no');
 		}
 
 		/**
@@ -224,8 +224,8 @@ 
 		 * @version 3.1.0
 		 */
 		public function install() {
-			if ( ! defined( 'WC_STRIPE_INSTALLING' ) ) {
-				define( 'WC_STRIPE_INSTALLING', true );
+			if ( ! defined('WC_STRIPE_INSTALLING')) {
+				define('WC_STRIPE_INSTALLING', true);
 			}
 
 			$this->_update_plugin_version();
@@ -236,24 +236,24 @@ 
 		 * found or false if the environment has no problems.
 		 */
 		static function get_environment_warning() {
-			if ( version_compare( phpversion(), WC_STRIPE_MIN_PHP_VER, '<' ) ) {
-				$message = __( 'WooCommerce Stripe - The minimum PHP version required for this plugin is %1$s. You are running %2$s.', 'woocommerce-gateway-stripe' );
+			if (version_compare(phpversion(), WC_STRIPE_MIN_PHP_VER, '<')) {
+				$message = __('WooCommerce Stripe - The minimum PHP version required for this plugin is %1$s. You are running %2$s.', 'woocommerce-gateway-stripe');
 
-				return sprintf( $message, WC_STRIPE_MIN_PHP_VER, phpversion() );
+				return sprintf($message, WC_STRIPE_MIN_PHP_VER, phpversion());
 			}
 
-			if ( ! defined( 'WC_VERSION' ) ) {
-				return __( 'WooCommerce Stripe requires WooCommerce to be activated to work.', 'woocommerce-gateway-stripe' );
+			if ( ! defined('WC_VERSION')) {
+				return __('WooCommerce Stripe requires WooCommerce to be activated to work.', 'woocommerce-gateway-stripe');
 			}
 
-			if ( version_compare( WC_VERSION, WC_STRIPE_MIN_WC_VER, '<' ) ) {
-				$message = __( 'WooCommerce Stripe - The minimum WooCommerce version required for this plugin is %1$s. You are running %2$s.', 'woocommerce-gateway-stripe' );
+			if (version_compare(WC_VERSION, WC_STRIPE_MIN_WC_VER, '<')) {
+				$message = __('WooCommerce Stripe - The minimum WooCommerce version required for this plugin is %1$s. You are running %2$s.', 'woocommerce-gateway-stripe');
 
-				return sprintf( $message, WC_STRIPE_MIN_WC_VER, WC_VERSION );
+				return sprintf($message, WC_STRIPE_MIN_WC_VER, WC_VERSION);
 			}
 
-			if ( ! function_exists( 'curl_init' ) ) {
-				return __( 'WooCommerce Stripe - cURL is not installed.', 'woocommerce-gateway-stripe' );
+			if ( ! function_exists('curl_init')) {
+				return __('WooCommerce Stripe - cURL is not installed.', 'woocommerce-gateway-stripe');
 			}
 
 			return false;
@@ -264,15 +264,15 @@ 
 		 *
 		 * @since 1.0.0
 		 */
-		public function plugin_action_links( $links ) {
+		public function plugin_action_links($links) {
 			$setting_link = $this->get_setting_link();
 
 			$plugin_links = array(
-				'<a href="' . $setting_link . '">' . __( 'Settings', 'woocommerce-gateway-stripe' ) . '</a>',
-				'<a href="https://docs.woothemes.com/document/stripe/">' . __( 'Docs', 'woocommerce-gateway-stripe' ) . '</a>',
-				'<a href="http://support.woothemes.com/">' . __( 'Support', 'woocommerce-gateway-stripe' ) . '</a>',
+				'<a href="' . $setting_link . '">' . __('Settings', 'woocommerce-gateway-stripe') . '</a>',
+				'<a href="https://docs.woothemes.com/document/stripe/">' . __('Docs', 'woocommerce-gateway-stripe') . '</a>',
+				'<a href="http://support.woothemes.com/">' . __('Support', 'woocommerce-gateway-stripe') . '</a>',
 			);
-			return array_merge( $plugin_links, $links );
+			return array_merge($plugin_links, $links);
 		}
 
 		/**
@@ -283,24 +283,24 @@ 
 		 * @return string Setting link
 		 */
 		public function get_setting_link() {
-			$use_id_as_section = function_exists( 'WC' ) ? version_compare( WC()->version, '2.6', '>=' ) : false;
+			$use_id_as_section = function_exists('WC') ? version_compare(WC()->version, '2.6', '>=') : false;
 
-			$section_slug = $use_id_as_section ? 'stripe' : strtolower( 'WC_Gateway_Stripe' );
+			$section_slug = $use_id_as_section ? 'stripe' : strtolower('WC_Gateway_Stripe');
 
-			return admin_url( 'admin.php?page=wc-settings&tab=checkout&section=' . $section_slug );
+			return admin_url('admin.php?page=wc-settings&tab=checkout&section=' . $section_slug);
 		}
 
 		/**
 		 * Display any notices we've collected thus far (e.g. for connection, disconnection)
 		 */
 		public function admin_notices() {
-			$show_request_api_notice = get_option( 'wc_stripe_show_request_api_notice' );
-			$show_apple_pay_notice   = get_option( 'wc_stripe_show_apple_pay_notice' );
+			$show_request_api_notice = get_option('wc_stripe_show_request_api_notice');
+			$show_apple_pay_notice   = get_option('wc_stripe_show_apple_pay_notice');
 
-			if ( empty( $show_apple_pay_notice ) ) {
+			if (empty($show_apple_pay_notice)) {
 				// @TODO remove this notice in the future.
 				?>
-				<div class="notice notice-warning wc-stripe-apple-pay-notice is-dismissible"><p><?php esc_html_e( 'New Feature! Stripe now supports Apple Pay. Your customers can now purchase your products even faster. Apple Pay has been enabled by default.', 'woocommerce-gateway-stripe' ); ?></p></div>
+				<div class="notice notice-warning wc-stripe-apple-pay-notice is-dismissible"><p><?php esc_html_e('New Feature! Stripe now supports Apple Pay. Your customers can now purchase your products even faster. Apple Pay has been enabled by default.', 'woocommerce-gateway-stripe'); ?></p></div>
 
 				<script type="application/javascript">
 					jQuery( '.wc-stripe-apple-pay-notice' ).on( 'click', '.notice-dismiss', function() {
@@ -308,17 +308,17 @@ 
 							action: 'stripe_dismiss_apple_pay_notice'
 						};
 
-						jQuery.post( '<?php echo admin_url( 'admin-ajax.php' ); ?>', data );
+						jQuery.post( '<?php echo admin_url('admin-ajax.php'); ?>', data );
 					});
 				</script>
 
 				<?php
 			}
 
-			if ( empty( $show_request_api_notice ) ) {
+			if (empty($show_request_api_notice)) {
 				// @TODO remove this notice in the future.
 				?>
-				<div class="notice notice-warning wc-stripe-request-api-notice is-dismissible"><p><?php esc_html_e( 'New Feature! Stripe now supports Google Payment Request. Your customers can now use mobile phones with supported browsers such as Chrome to make purchases easier and faster.', 'woocommerce-gateway-stripe' ); ?></p></div>
+				<div class="notice notice-warning wc-stripe-request-api-notice is-dismissible"><p><?php esc_html_e('New Feature! Stripe now supports Google Payment Request. Your customers can now use mobile phones with supported browsers such as Chrome to make purchases easier and faster.', 'woocommerce-gateway-stripe'); ?></p></div>
 				
 				<script type="application/javascript">
 					jQuery( '.wc-stripe-request-api-notice' ).on( 'click', '.notice-dismiss', function() {
@@ -326,16 +326,16 @@ 
 							action: 'stripe_dismiss_request_api_notice'
 						};
 
-						jQuery.post( '<?php echo admin_url( 'admin-ajax.php' ); ?>', data );
+						jQuery.post( '<?php echo admin_url('admin-ajax.php'); ?>', data );
 					});
 				</script>
 
 				<?php
 			}
 			
-			foreach ( (array) $this->notices as $notice_key => $notice ) {
-				echo "<div class='" . esc_attr( $notice['class'] ) . "'><p>";
-				echo wp_kses( $notice['message'], array( 'a' => array( 'href' => array() ) ) );
+			foreach ((array) $this->notices as $notice_key => $notice) {
+				echo "<div class='" . esc_attr($notice['class']) . "'><p>";
+				echo wp_kses($notice['message'], array('a' => array('href' => array())));
 				echo '</p></div>';
 			}
 		}
@@ -346,28 +346,28 @@ 
 		 * @since 1.0.0
 		 */
 		public function init_gateways() {
-			if ( class_exists( 'WC_Subscriptions_Order' ) && function_exists( 'wcs_create_renewal_order' ) ) {
+			if (class_exists('WC_Subscriptions_Order') && function_exists('wcs_create_renewal_order')) {
 				$this->subscription_support_enabled = true;
 			}
 
-			if ( class_exists( 'WC_Pre_Orders_Order' ) ) {
+			if (class_exists('WC_Pre_Orders_Order')) {
 				$this->pre_order_enabled = true;
 			}
 
-			if ( ! class_exists( 'WC_Payment_Gateway' ) ) {
+			if ( ! class_exists('WC_Payment_Gateway')) {
 				return;
 			}
 
-			if ( class_exists( 'WC_Payment_Gateway_CC' ) ) {
-				include_once( dirname( __FILE__ ) . '/includes/class-wc-gateway-stripe.php' );
-				include_once( dirname( __FILE__ ) . '/includes/class-wc-stripe-apple-pay.php' );
+			if (class_exists('WC_Payment_Gateway_CC')) {
+				include_once(dirname(__FILE__) . '/includes/class-wc-gateway-stripe.php');
+				include_once(dirname(__FILE__) . '/includes/class-wc-stripe-apple-pay.php');
 			} else {
-				include_once( dirname( __FILE__ ) . '/includes/legacy/class-wc-gateway-stripe.php' );
-				include_once( dirname( __FILE__ ) . '/includes/legacy/class-wc-gateway-stripe-saved-cards.php' );
+				include_once(dirname(__FILE__) . '/includes/legacy/class-wc-gateway-stripe.php');
+				include_once(dirname(__FILE__) . '/includes/legacy/class-wc-gateway-stripe-saved-cards.php');
 			}
 
-			load_plugin_textdomain( 'woocommerce-gateway-stripe', false, plugin_basename( dirname( __FILE__ ) ) . '/languages' );
-			add_filter( 'woocommerce_payment_gateways', array( $this, 'add_gateways' ) );
+			load_plugin_textdomain('woocommerce-gateway-stripe', false, plugin_basename(dirname(__FILE__)) . '/languages');
+			add_filter('woocommerce_payment_gateways', array($this, 'add_gateways'));
 			
 			$load_addons = (
 				$this->subscription_support_enabled
@@ -375,8 +375,8 @@ 
 				$this->pre_order_enabled
 			);
 
-			if ( $load_addons ) {
-				require_once( dirname( __FILE__ ) . '/includes/class-wc-gateway-stripe-addons.php' );
+			if ($load_addons) {
+				require_once(dirname(__FILE__) . '/includes/class-wc-gateway-stripe-addons.php');
 			}
 		}
 
@@ -385,8 +385,8 @@ 
 		 *
 		 * @since 1.0.0
 		 */
-		public function add_gateways( $methods ) {
-			if ( $this->subscription_support_enabled || $this->pre_order_enabled ) {
+		public function add_gateways($methods) {
+			if ($this->subscription_support_enabled || $this->pre_order_enabled) {
 				$methods[] = 'WC_Gateway_Stripe_Addons';
 			} else {
 				$methods[] = 'WC_Gateway_Stripe';
@@ -426,24 +426,24 @@ 
 		 * @param object $balance_transaction
 		 * @param string $type Type of number to format
 		 */
-		public static function format_number( $balance_transaction, $type = 'fee' ) {
-			if ( ! is_object( $balance_transaction ) ) {
+		public static function format_number($balance_transaction, $type = 'fee') {
+			if ( ! is_object($balance_transaction)) {
 				return;
 			}
 
-			if ( in_array( strtolower( $balance_transaction->currency ), self::no_decimal_currencies() ) ) {
-				if ( 'fee' === $type ) {
+			if (in_array(strtolower($balance_transaction->currency), self::no_decimal_currencies())) {
+				if ('fee' === $type) {
 					return $balance_transaction->fee;
 				}
 
 				return $balance_transaction->net;
 			}
 
-			if ( 'fee' === $type ) {
-				return number_format( $balance_transaction->fee / 100, 2, '.', '' );
+			if ('fee' === $type) {
+				return number_format($balance_transaction->fee / 100, 2, '.', '');
 			}
 
-			return number_format( $balance_transaction->net / 100, 2, '.', '' ); 
+			return number_format($balance_transaction->net / 100, 2, '.', ''); 
 		}
 
 		/**
@@ -451,35 +451,35 @@ 
 		 *
 		 * @param  int $order_id
 		 */
-		public function capture_payment( $order_id ) {
-			$order = wc_get_order( $order_id );
+		public function capture_payment($order_id) {
+			$order = wc_get_order($order_id);
 
-			if ( 'stripe' === ( version_compare( WC_VERSION, '3.0.0', '<' ) ? $order->payment_method : $order->get_payment_method() ) ) {
-				$charge   = get_post_meta( $order_id, '_stripe_charge_id', true );
-				$captured = get_post_meta( $order_id, '_stripe_charge_captured', true );
+			if ('stripe' === (version_compare(WC_VERSION, '3.0.0', '<') ? $order->payment_method : $order->get_payment_method())) {
+				$charge   = get_post_meta($order_id, '_stripe_charge_id', true);
+				$captured = get_post_meta($order_id, '_stripe_charge_captured', true);
 
-				if ( $charge && 'no' === $captured ) {
-					$result = WC_Stripe_API::request( array(
+				if ($charge && 'no' === $captured) {
+					$result = WC_Stripe_API::request(array(
 						'amount'   => $order->get_total() * 100,
 						'expand[]' => 'balance_transaction',
-					), 'charges/' . $charge . '/capture' );
+					), 'charges/' . $charge . '/capture');
 
-					if ( is_wp_error( $result ) ) {
-						$order->add_order_note( __( 'Unable to capture charge!', 'woocommerce-gateway-stripe' ) . ' ' . $result->get_error_message() );
+					if (is_wp_error($result)) {
+						$order->add_order_note(__('Unable to capture charge!', 'woocommerce-gateway-stripe') . ' ' . $result->get_error_message());
 					} else {
-						$order->add_order_note( sprintf( __( 'Stripe charge complete (Charge ID: %s)', 'woocommerce-gateway-stripe' ), $result->id ) );
-						update_post_meta( $order_id, '_stripe_charge_captured', 'yes' );
+						$order->add_order_note(sprintf(__('Stripe charge complete (Charge ID: %s)', 'woocommerce-gateway-stripe'), $result->id));
+						update_post_meta($order_id, '_stripe_charge_captured', 'yes');
 
 						// Store other data such as fees
-						update_post_meta( $order_id, 'Stripe Payment ID', $result->id );
+						update_post_meta($order_id, 'Stripe Payment ID', $result->id);
 
-						if ( isset( $result->balance_transaction ) && isset( $result->balance_transaction->fee ) ) {
+						if (isset($result->balance_transaction) && isset($result->balance_transaction->fee)) {
 							// Fees and Net needs to both come from Stripe to be accurate as the returned
 							// values are in the local currency of the Stripe account, not from WC.
-							$fee = ! empty( $result->balance_transaction->fee ) ? self::format_number( $result->balance_transaction, 'fee' ) : 0;
-							$net = ! empty( $result->balance_transaction->net ) ? self::format_number( $result->balance_transaction, 'net' ) : 0;
-							update_post_meta( $order_id, 'Stripe Fee', $fee );
-							update_post_meta( $order_id, 'Net Revenue From Stripe', $net );
+							$fee = ! empty($result->balance_transaction->fee) ? self::format_number($result->balance_transaction, 'fee') : 0;
+							$net = ! empty($result->balance_transaction->net) ? self::format_number($result->balance_transaction, 'net') : 0;
+							update_post_meta($order_id, 'Stripe Fee', $fee);
+							update_post_meta($order_id, 'Net Revenue From Stripe', $net);
 						}
 					}
 				}
@@ -491,23 +491,23 @@ 
 		 *
 		 * @param  int $order_id
 		 */
-		public function cancel_payment( $order_id ) {
-			$order = wc_get_order( $order_id );
+		public function cancel_payment($order_id) {
+			$order = wc_get_order($order_id);
 
-			if ( 'stripe' === ( version_compare( WC_VERSION, '3.0.0', '<' ) ? $order->payment_method : $order->get_payment_method() ) ) {
-				$charge   = get_post_meta( $order_id, '_stripe_charge_id', true );
+			if ('stripe' === (version_compare(WC_VERSION, '3.0.0', '<') ? $order->payment_method : $order->get_payment_method())) {
+				$charge = get_post_meta($order_id, '_stripe_charge_id', true);
 
-				if ( $charge ) {
-					$result = WC_Stripe_API::request( array(
+				if ($charge) {
+					$result = WC_Stripe_API::request(array(
 						'amount' => $order->get_total() * 100,
-					), 'charges/' . $charge . '/refund' );
+					), 'charges/' . $charge . '/refund');
 
-					if ( is_wp_error( $result ) ) {
-						$order->add_order_note( __( 'Unable to refund charge!', 'woocommerce-gateway-stripe' ) . ' ' . $result->get_error_message() );
+					if (is_wp_error($result)) {
+						$order->add_order_note(__('Unable to refund charge!', 'woocommerce-gateway-stripe') . ' ' . $result->get_error_message());
 					} else {
-						$order->add_order_note( sprintf( __( 'Stripe charge refunded (Charge ID: %s)', 'woocommerce-gateway-stripe' ), $result->id ) );
-						delete_post_meta( $order_id, '_stripe_charge_captured' );
-						delete_post_meta( $order_id, '_stripe_charge_id' );
+						$order->add_order_note(sprintf(__('Stripe charge refunded (Charge ID: %s)', 'woocommerce-gateway-stripe'), $result->id));
+						delete_post_meta($order_id, '_stripe_charge_captured');
+						delete_post_meta($order_id, '_stripe_charge_id');
 					}
 				}
 			}
@@ -518,28 +518,28 @@ 
 		 * @param array $tokens
 		 * @return array
 		 */
-		public function woocommerce_get_customer_payment_tokens( $tokens, $customer_id, $gateway_id ) {
-			if ( is_user_logged_in() && 'stripe' === $gateway_id && class_exists( 'WC_Payment_Token_CC' ) ) {
-				$stripe_customer = new WC_Stripe_Customer( $customer_id );
+		public function woocommerce_get_customer_payment_tokens($tokens, $customer_id, $gateway_id) {
+			if (is_user_logged_in() && 'stripe' === $gateway_id && class_exists('WC_Payment_Token_CC')) {
+				$stripe_customer = new WC_Stripe_Customer($customer_id);
 				$stripe_cards    = $stripe_customer->get_cards();
 				$stored_tokens   = array();
 
-				foreach ( $tokens as $token ) {
+				foreach ($tokens as $token) {
 					$stored_tokens[] = $token->get_token();
 				}
 
-				foreach ( $stripe_cards as $card ) {
-					if ( ! in_array( $card->id, $stored_tokens ) ) {
+				foreach ($stripe_cards as $card) {
+					if ( ! in_array($card->id, $stored_tokens)) {
 						$token = new WC_Payment_Token_CC();
-						$token->set_token( $card->id );
-						$token->set_gateway_id( 'stripe' );
-						$token->set_card_type( strtolower( $card->brand ) );
-						$token->set_last4( $card->last4 );
-						$token->set_expiry_month( $card->exp_month );
-						$token->set_expiry_year( $card->exp_year );
-						$token->set_user_id( $customer_id );
+						$token->set_token($card->id);
+						$token->set_gateway_id('stripe');
+						$token->set_card_type(strtolower($card->brand));
+						$token->set_last4($card->last4);
+						$token->set_expiry_month($card->exp_month);
+						$token->set_expiry_year($card->exp_year);
+						$token->set_user_id($customer_id);
 						$token->save();
-						$tokens[ $token->get_id() ] = $token;
+						$tokens[$token->get_id()] = $token;
 					}
 				}
 			}
@@ -549,21 +549,21 @@ 
 		/**
 		 * Delete token from Stripe
 		 */
-		public function woocommerce_payment_token_deleted( $token_id, $token ) {
-			if ( 'stripe' === $token->get_gateway_id() ) {
-				$stripe_customer = new WC_Stripe_Customer( get_current_user_id() );
-				$stripe_customer->delete_card( $token->get_token() );
+		public function woocommerce_payment_token_deleted($token_id, $token) {
+			if ('stripe' === $token->get_gateway_id()) {
+				$stripe_customer = new WC_Stripe_Customer(get_current_user_id());
+				$stripe_customer->delete_card($token->get_token());
 			}
 		}
 
 		/**
 		 * Set as default in Stripe
 		 */
-		public function woocommerce_payment_token_set_default( $token_id ) {
-			$token = WC_Payment_Tokens::get( $token_id );
-			if ( 'stripe' === $token->get_gateway_id() ) {
-				$stripe_customer = new WC_Stripe_Customer( get_current_user_id() );
-				$stripe_customer->set_default_card( $token->get_token() );
+		public function woocommerce_payment_token_set_default($token_id) {
+			$token = WC_Payment_Tokens::get($token_id);
+			if ('stripe' === $token->get_gateway_id()) {
+				$stripe_customer = new WC_Stripe_Customer(get_current_user_id());
+				$stripe_customer->set_default_card($token->get_token());
 			}
 		}
 
@@ -572,7 +572,7 @@ 
 		 */
 		public static function get_minimum_amount() {
 			// Check order amount
-			switch ( get_woocommerce_currency() ) {
+			switch (get_woocommerce_currency()) {
 				case 'USD':
 				case 'CAD':
 				case 'EUR':
@@ -616,12 +616,12 @@ 
 		 * And fits on your back?
 		 * It's log, log, log
 		 */
-		public static function log( $message ) {
-			if ( empty( self::$log ) ) {
+		public static function log($message) {
+			if (empty(self::$log)) {
 				self::$log = new WC_Logger();
 			}
 
-			self::$log->add( 'woocommerce-gateway-stripe', $message );
+			self::$log->add('woocommerce-gateway-stripe', $message);
 		}
 	}