woocommerce / woocommerce-gateway-stripe

includes/class-wc-gateway-stripe.php

Spacing +211 added lines, -211 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit;
 }
 
@@ -85,8 +85,8 @@ 
 	 */
 	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(
@@ -114,35 +114,35 @@ 
 		$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->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->logging                = 'yes' === $this->get_option( 'logging' );
+		$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->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->logging                = 'yes' === $this->get_option('logging');
 
-		if ( $this->stripe_checkout ) {
-			$this->order_button_text = __( 'Continue to payment', 'woocommerce-gateway-stripe' );
+		if ($this->stripe_checkout) {
+			$this->order_button_text = __('Continue to payment', 'woocommerce-gateway-stripe');
 		}
 
-		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);
 
 		// Hooks.
-		add_action( 'wp_enqueue_scripts', array( $this, 'payment_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_notices', array($this, 'admin_notices'));
+		add_action('woocommerce_update_options_payment_gateways_' . $this->id, array($this, 'process_admin_options'));
 	}
 
 	/**
@@ -152,24 +152,24 @@ 
 	 * @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 ( 'yes' === $this->bitcoin && 'yes' === $this->stripe_checkout ) {
-			$icon .= '<img src="' . WC_HTTPS::force_https_url( plugins_url( '/assets/images/bitcoin' . $ext, WC_STRIPE_MAIN_FILE ) ) . '" alt="Bitcoin" width="32" ' . $style . ' />';
+		if ('yes' === $this->bitcoin && 'yes' === $this->stripe_checkout) {
+			$icon .= '<img src="' . WC_HTTPS::force_https_url(plugins_url('/assets/images/bitcoin' . $ext, WC_STRIPE_MAIN_FILE)) . '" alt="Bitcoin" width="32" ' . $style . ' />';
 		}
 
-		return apply_filters( 'woocommerce_gateway_icon', $icon, $this->id );
+		return apply_filters('woocommerce_gateway_icon', $icon, $this->id);
 	}
 
 	/**
@@ -180,11 +180,11 @@ 
 	 *
 	 * @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' :
@@ -201,10 +201,10 @@ 
 			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;
@@ -214,13 +214,13 @@ 
 	 * Check if SSL is enabled and notify the user
 	 */
 	public function admin_notices() {
-		if ( 'no' === $this->enabled ) {
+		if ('no' === $this->enabled) {
 			return;
 		}
 
 		// 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>';
 		}
 	}
 
@@ -228,11 +228,11 @@ 
 	 * 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;
@@ -244,9 +244,9 @@ 
 	 * Initialise Gateway Settings Form Fields
 	 */
 	public function init_form_fields() {
-		$this->form_fields = include( 'settings-stripe.php' );
+		$this->form_fields = include('settings-stripe.php');
 
-		wc_enqueue_js( "
+		wc_enqueue_js("
 			jQuery( function( $ ) {
 				$( '#woocommerce_stripe_stripe_checkout' ).change(function(){
 					if ( $( this ).is( ':checked' ) ) {
@@ -260,7 +260,7 @@ 
 					var value = $( this ).val();
 
 					if ( value.indexOf( '_test_' ) >= 0 ) {
-						$( this ).css( 'border-color', 'red' ).after( '<span class=\"description stripe-error-description\" style=\"color:red; display:block;\">" . __( 'This is not a valid live key. Live keys start with "sk_live_" and "pk_live_".', 'woocommerce-gateway-stripe' ) . "</span>' );
+						$( this ).css( 'border-color', 'red' ).after( '<span class=\"description stripe-error-description\" style=\"color:red; display:block;\">" . __('This is not a valid live key. Live keys start with "sk_live_" and "pk_live_".', 'woocommerce-gateway-stripe') . "</span>' );
 					} else {
 						$( this ).css( 'border-color', '' );
 						$( '.stripe-error-description', $( this ).parent() ).remove();
@@ -271,7 +271,7 @@ 
 					var value = $( this ).val();
 
 					if ( value.indexOf( '_live_' ) >= 0 ) {
-						$( this ).css( 'border-color', 'red' ).after( '<span class=\"description stripe-error-description\" style=\"color:red; display:block;\">" . __( 'This is not a valid test key. Test keys start with "sk_test_" and "pk_test_".', 'woocommerce-gateway-stripe' ) . "</span>' );
+						$( this ).css( 'border-color', 'red' ).after( '<span class=\"description stripe-error-description\" style=\"color:red; display:block;\">" . __('This is not a valid test key. Test keys start with "sk_test_" and "pk_test_".', 'woocommerce-gateway-stripe') . "</span>' );
 					} else {
 						$( this ).css( 'border-color', '' );
 						$( '.stripe-error-description', $( this ).parent() ).remove();
@@ -286,46 +286,46 @@ 
 	 */
 	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;
 
-		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( WC()->cart->total ) ) . '"
-			data-name="' . esc_attr( sprintf( __( '%s', 'woocommerce-gateway-stripe' ), get_bloginfo( 'name', 'display' ) ) ) . '"
-			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 ? $this->stripe_checkout_locale : 'en' ) . '">';
+			data-email="' . esc_attr($user_email) . '"
+			data-amount="' . esc_attr($this->get_stripe_amount(WC()->cart->total)) . '"
+			data-name="' . esc_attr(sprintf(__('%s', 'woocommerce-gateway-stripe'), get_bloginfo('name', 'display'))) . '"
+			data-currency="' . esc_attr(strtolower(get_woocommerce_currency())) . '"
+			data-image="' . esc_attr($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') . '">';
 
-		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();
 			}
 		}
@@ -341,20 +341,20 @@ 
 	 * @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'),
+			));
 	}
 
 	/**
@@ -365,29 +365,29 @@ 
 	 * @access public
 	 */
 	public function payment_scripts() {
-		$suffix = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
+		$suffix = defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ? '' : '.min';
 		
-		if ( $this->stripe_checkout ) {
-			wp_enqueue_script( 'stripe', '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', '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 ( is_checkout_pay_page() && isset( $_GET['order'] ) && isset( $_GET['order_id'] ) ) {
-			$order_key = urldecode( $_GET['order'] );
-			$order_id  = absint( $_GET['order_id'] );
-			$order     = wc_get_order( $order_id );
+		if (is_checkout_pay_page() && isset($_GET['order']) && isset($_GET['order_id'])) {
+			$order_key = urldecode($_GET['order']);
+			$order_id  = absint($_GET['order_id']);
+			$order     = wc_get_order($order_id);
 
-			if ( $order->id === $order_id && $order->order_key === $order_key ) {
+			if ($order->id === $order_id && $order->order_key === $order_key) {
 				$stripe_params['billing_first_name'] = $order->billing_first_name;
 				$stripe_params['billing_last_name']  = $order->billing_last_name;
 				$stripe_params['billing_address_1']  = $order->billing_address_1;
@@ -399,14 +399,14 @@ 
 			}
 		}
 
-		$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));
 	}
 
 	/**
@@ -415,24 +415,24 @@ 
 	 * @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( $order->get_order_currency() ? $order->get_order_currency() : get_woocommerce_currency() );
-		$post_data['amount']      = $this->get_stripe_amount( $order->get_total(), $post_data['currency'] );
-		$post_data['description'] = sprintf( __( '%s - Order %s', 'woocommerce-gateway-stripe' ), wp_specialchars_decode( get_bloginfo( 'name' ), ENT_QUOTES ), $order->get_order_number() );
+		$post_data['currency']    = strtolower($order->get_order_currency() ? $order->get_order_currency() : get_woocommerce_currency());
+		$post_data['amount']      = $this->get_stripe_amount($order->get_total(), $post_data['currency']);
+		$post_data['description'] = sprintf(__('%s - Order %s', 'woocommerce-gateway-stripe'), wp_specialchars_decode(get_bloginfo('name'), ENT_QUOTES), $order->get_order_number());
 		$post_data['capture']     = $this->capture ? 'true' : 'false';
 
-		if ( ! empty( $order->billing_email ) && apply_filters( 'wc_stripe_send_stripe_receipt', false ) ) {
+		if ( ! empty($order->billing_email) && apply_filters('wc_stripe_send_stripe_receipt', false)) {
 			$post_data['receipt_email'] = $order->billing_email;
 		}
 
-		$post_data['expand[]']    = 'balance_transaction';
+		$post_data['expand[]'] = 'balance_transaction';
 
-		if ( $source->customer ) {
+		if ($source->customer) {
 			$post_data['customer'] = $source->customer;
 		}
 
-		if ( $source->source ) {
+		if ($source->source) {
 			$post_data['source'] = $source->source;
 		}
 
@@ -444,7 +444,7 @@ 
 		 * @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);
 	}
 
 	/**
@@ -456,22 +456,22 @@ 
 	 * @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 {
@@ -482,13 +482,13 @@ 
 		}
 
 		// Use an existing token, and then process the payment
-		elseif ( isset( $_POST['wc-stripe-payment-token'] ) && 'new' !== $_POST['wc-stripe-payment-token'] ) {
-			$token_id = wc_clean( $_POST['wc-stripe-payment-token'] );
-			$token    = WC_Payment_Tokens::get( $token_id );
+		elseif (isset($_POST['wc-stripe-payment-token']) && 'new' !== $_POST['wc-stripe-payment-token']) {
+			$token_id = wc_clean($_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();
@@ -512,16 +512,16 @@ 
 	 * @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 ) {
-			if ( $meta_value = get_post_meta( $order->id, '_stripe_customer_id', true ) ) {
-				$stripe_customer->set_id( $meta_value );
+		if ($order) {
+			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;
 			}
 		}
@@ -544,25 +544,25 @@ 
 	 *
 	 * @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) {
 
 				// Check order amount
-				switch ( get_woocommerce_currency() ) {
+				switch (get_woocommerce_currency()) {
 					case 'USD':
 					case 'CAD':
 					case 'EUR':
@@ -594,33 +594,33 @@ 
 						$minimum_amount = 50;
 						break;
 				}
-				if ( $order->get_total() * 100 < $minimum_amount ) {
-					throw new Exception( sprintf( __( 'Sorry, the minimum allowed order total is %1$s to use this payment method.', 'woocommerce-gateway-stripe' ), wc_price( $minimum_amount / 100 ) ) );
+				if ($order->get_total() * 100 < $minimum_amount) {
+					throw new Exception(sprintf(__('Sorry, the minimum allowed order total is %1$s to use this payment method.', 'woocommerce-gateway-stripe'), wc_price($minimum_amount / 100)));
 				}
 
-				WC_Stripe::log( "Info: Begin processing payment for order $order_id for the amount of {$order->get_total()}" );
+				WC_Stripe::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();
-						throw new Exception( __( 'This card is no longer available and has been removed.', 'woocommerce-gateway-stripe' ) );
+						throw new Exception(__('This card is no longer available and has been removed.', 'woocommerce-gateway-stripe'));
 					}
 					$localized_messages = $this->get_localized_messages();
 
-					throw new Exception( ( isset( $localized_messages[ $response->get_error_code() ] ) ? $localized_messages[ $response->get_error_code() ] : $response->get_error_message() ) );
+					throw new Exception((isset($localized_messages[$response->get_error_code()]) ? $localized_messages[$response->get_error_code()] : $response->get_error_message()));
 				}
 
 				// Process valid response.
-				$this->process_response( $response, $order );
+				$this->process_response($response, $order);
 			} else {
 				$order->payment_complete();
 			}
@@ -631,16 +631,16 @@ 
 			// 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' );
-			WC()->session->set( 'refresh_totals', true );
-			WC_Stripe::log( sprintf( __( 'Error: %s', 'woocommerce-gateway-stripe' ), $e->getMessage() ) );
+		} catch (Exception $e) {
+			wc_add_notice($e->getMessage(), 'error');
+			WC()->session->set('refresh_totals', true);
+			WC_Stripe::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);
 			}
 
 			return;
@@ -653,49 +653,49 @@ 
 	 * @param WC_Order $order For to which the source applies.
 	 * @param stdClass $source Source information.
 	 */
-	protected function save_source( $order, $source ) {
+	protected function save_source($order, $source) {
 		// 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 ) {
-		WC_Stripe::log( "Processing response: " . print_r( $response, true ) );
+	public function process_response($response, $order) {
+		WC_Stripe::log("Processing response: " . print_r($response, true));
 
 		// 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 ) ) {
-			$fee = number_format( $response->balance_transaction->fee / 100, 2, '.', '' );
-			update_post_meta( $order->id, 'Stripe Fee', $fee );
-			update_post_meta( $order->id, 'Net Revenue From Stripe', $order->get_total() - $fee );
+		if (isset($response->balance_transaction) && isset($response->balance_transaction->fee)) {
+			$fee = number_format($response->balance_transaction->fee / 100, 2, '.', '');
+			update_post_meta($order->id, 'Stripe Fee', $fee);
+			update_post_meta($order->id, 'Net Revenue From Stripe', $order->get_total() - $fee);
 		}
 
-		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 );
-			WC_Stripe::log( 'Success: ' . $message );
+			$message = sprintf(__('Stripe charge complete (Charge ID: %s)', 'woocommerce-gateway-stripe'), $response->id);
+			$order->add_order_note($message);
+			WC_Stripe::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 ( $order->has_status( array( 'pending', 'failed' ) ) ) {
+			if ($order->has_status(array('pending', 'failed'))) {
 				$order->reduce_order_stock();
 			}
 
-			$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 ) );
-			WC_Stripe::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));
+			WC_Stripe::log("Successful auth: $response->id");
 		}
 
 		return $response;
@@ -707,32 +707,32 @@ 
 	 * @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'),
 		);
 	}
 
@@ -742,36 +742,36 @@ 
 	 * @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,
 			);
 		}
 
-		WC_Stripe::log( "Info: Beginning refund for order $order_id for the amount of {$amount}" );
+		WC_Stripe::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 ) ) {
-			WC_Stripe::log( "Error: " . $response->get_error_message() );
+		if (is_wp_error($response)) {
+			WC_Stripe::log("Error: " . $response->get_error_message());
 			return $response;
-		} elseif ( ! empty( $response->id ) ) {
-			$refund_message = sprintf( __( 'Refunded %s - Refund ID: %s - Reason: %s', 'woocommerce-gateway-stripe' ), wc_price( $response->amount / 100 ), $response->id, $reason );
-			$order->add_order_note( $refund_message );
-			WC_Stripe::log( "Success: " . html_entity_decode( strip_tags( $refund_message ) ) );
+		} elseif ( ! empty($response->id)) {
+			$refund_message = sprintf(__('Refunded %s - Refund ID: %s - Reason: %s', 'woocommerce-gateway-stripe'), wc_price($response->amount / 100), $response->id, $reason);
+			$order->add_order_note($refund_message);
+			WC_Stripe::log("Success: " . html_entity_decode(strip_tags($refund_message)));
 			return true;
 		}
 	}
@@ -784,10 +784,10 @@ 
 	 * @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);
 		}
 	}
 }

includes/class-wc-gateway-stripe-addons.php

Spacing +123 added lines, -123 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit;
 }
 
@@ -16,22 +16,22 @@ 
 	public function __construct() {
 		parent::__construct();
 
-		if ( class_exists( 'WC_Subscriptions_Order' ) ) {
-			add_action( 'woocommerce_scheduled_subscription_payment_' . $this->id, array( $this, 'scheduled_subscription_payment' ), 10, 2 );
-			add_action( 'wcs_resubscribe_order_created', array( $this, 'delete_resubscribe_meta' ), 10 );
-			add_action( 'wcs_renewal_order_created', array( $this, 'delete_renewal_meta' ), 10 );
-			add_action( 'woocommerce_subscription_failing_payment_method_updated_stripe', array( $this, 'update_failing_payment_method' ), 10, 2 );
+		if (class_exists('WC_Subscriptions_Order')) {
+			add_action('woocommerce_scheduled_subscription_payment_' . $this->id, array($this, 'scheduled_subscription_payment'), 10, 2);
+			add_action('wcs_resubscribe_order_created', array($this, 'delete_resubscribe_meta'), 10);
+			add_action('wcs_renewal_order_created', array($this, 'delete_renewal_meta'), 10);
+			add_action('woocommerce_subscription_failing_payment_method_updated_stripe', array($this, 'update_failing_payment_method'), 10, 2);
 
 			// display the credit card used for a subscription in the "My Subscriptions" table
-			add_filter( 'woocommerce_my_subscriptions_payment_method', array( $this, 'maybe_render_subscription_payment_method' ), 10, 2 );
+			add_filter('woocommerce_my_subscriptions_payment_method', array($this, 'maybe_render_subscription_payment_method'), 10, 2);
 
 			// allow store managers to manually set Stripe as the payment method on a subscription
-			add_filter( 'woocommerce_subscription_payment_meta', array( $this, 'add_subscription_payment_meta' ), 10, 2 );
-			add_filter( 'woocommerce_subscription_validate_payment_meta', array( $this, 'validate_subscription_payment_meta' ), 10, 2 );
+			add_filter('woocommerce_subscription_payment_meta', array($this, 'add_subscription_payment_meta'), 10, 2);
+			add_filter('woocommerce_subscription_validate_payment_meta', array($this, 'validate_subscription_payment_meta'), 10, 2);
 		}
 
-		if ( class_exists( 'WC_Pre_Orders_Order' ) ) {
-			add_action( 'wc_pre_orders_process_pre_order_completion_payment_' . $this->id, array( $this, 'process_pre_order_release_payment' ) );
+		if (class_exists('WC_Pre_Orders_Order')) {
+			add_action('wc_pre_orders_process_pre_order_completion_payment_' . $this->id, array($this, 'process_pre_order_release_payment'));
 		}
 	}
 
@@ -40,8 +40,8 @@ 
 	 * @param  int  $order_id
 	 * @return boolean
 	 */
-	protected function is_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( $order_id ) ) );
+	protected function is_subscription($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)));
 	}
 
 	/**
@@ -49,8 +49,8 @@ 
 	 * @param  int  $order_id
 	 * @return boolean
 	 */
-	protected function is_pre_order( $order_id ) {
-		return ( class_exists( 'WC_Pre_Orders_Order' ) && WC_Pre_Orders_Order::order_contains_pre_order( $order_id ) );
+	protected function is_pre_order($order_id) {
+		return (class_exists('WC_Pre_Orders_Order') && WC_Pre_Orders_Order::order_contains_pre_order($order_id));
 	}
 
 	/**
@@ -58,37 +58,37 @@ 
 	 * @param  int $order_id
 	 * @return array
 	 */
-	public function process_payment( $order_id, $retry = true, $force_customer = false ) {
-		if ( $this->is_subscription( $order_id ) ) {
+	public function process_payment($order_id, $retry = true, $force_customer = false) {
+		if ($this->is_subscription($order_id)) {
 			// Regular payment with force customer enabled
-			return parent::process_payment( $order_id, true, true );
+			return parent::process_payment($order_id, true, true);
 
-		} elseif ( $this->is_pre_order( $order_id ) ) {
-			return $this->process_pre_order( $order_id, $retry, $force_customer );
+		} elseif ($this->is_pre_order($order_id)) {
+			return $this->process_pre_order($order_id, $retry, $force_customer);
 
 		} else {
-			return parent::process_payment( $order_id, $retry, $force_customer );
+			return parent::process_payment($order_id, $retry, $force_customer);
 		}
 	}
 
 	/**
 	 * Updates other subscription sources.
 	 */
-	protected function save_source( $order, $source ) {
-		parent::save_source( $order, $source );
+	protected function save_source($order, $source) {
+		parent::save_source($order, $source);
 
 		// 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 ) {
-			update_post_meta( $subscription->id, '_stripe_customer_id', $source->customer );
-			update_post_meta( $subscription->id, '_stripe_card_id', $source->source );
+		foreach ($subscriptions as $subscription) {
+			update_post_meta($subscription->id, '_stripe_customer_id', $source->customer);
+			update_post_meta($subscription->id, '_stripe_card_id', $source->source);
 		}
 	}
 
@@ -99,10 +99,10 @@ 
 	 * @param string $stripe_token (default: '')
 	 * @param  bool initial_payment
 	 */
-	public function process_subscription_payment( $order = '', $amount = 0 ) {
+	public function process_subscription_payment($order = '', $amount = 0) {
 		
 		// Check order amount
-		switch ( get_woocommerce_currency() ) {
+		switch (get_woocommerce_currency()) {
 			case 'USD':
 			case 'CAD':
 			case 'EUR':
@@ -134,37 +134,37 @@ 
 				$minimum_amount = 50;
 				break;
 		}
-		if ( $amount * 100 < $minimum_amount ) {
-			return new WP_Error( 'stripe_error', sprintf( __( 'Sorry, the minimum allowed order total is %1$s to use this payment method.', 'woocommerce-gateway-stripe' ), wc_price( $minimum_amount / 100 ) ) );
+		if ($amount * 100 < $minimum_amount) {
+			return new WP_Error('stripe_error', sprintf(__('Sorry, the minimum allowed order total is %1$s to use this payment method.', 'woocommerce-gateway-stripe'), wc_price($minimum_amount / 100)));
 		}
 
 		// Get source from order
-		$source = $this->get_order_source( $order );
+		$source = $this->get_order_source($order);
 
 		// If no order source was defined, use user source instead.
-		if ( ! $source->customer ) {
-			$source = $this->get_source( $order->customer_user );
+		if ( ! $source->customer) {
+			$source = $this->get_source($order->customer_user);
 		}
 
 		// Or fail :(
-		if ( ! $source->customer ) {
-			return new WP_Error( 'stripe_error', __( 'Customer not found', 'woocommerce-gateway-stripe' ) );
+		if ( ! $source->customer) {
+			return new WP_Error('stripe_error', __('Customer not found', 'woocommerce-gateway-stripe'));
 		}
 
-		WC_Stripe::log( "Info: Begin processing subscription payment for order {$order->id} for the amount of {$amount}" );
+		WC_Stripe::log("Info: Begin processing subscription payment for order {$order->id} for the amount of {$amount}");
 
 		// Make the request
-		$request             = $this->generate_payment_request( $order, $source );
+		$request             = $this->generate_payment_request($order, $source);
 		$request['capture']  = 'true';
-		$request['amount']   = $this->get_stripe_amount( $amount, $request['currency'] );
+		$request['amount']   = $this->get_stripe_amount($amount, $request['currency']);
 		$request['metadata'] = array(
 			'payment_type'   => 'recurring'
 		);
-		$response            = WC_Stripe_API::request( $request );
+		$response            = WC_Stripe_API::request($request);
 
 		// Process valid response
-		if ( ! is_wp_error( $response ) ) {
-			$this->process_response( $response, $order );
+		if ( ! is_wp_error($response)) {
+			$this->process_response($response, $order);
 		}
 
 		return $response;
@@ -175,13 +175,13 @@ 
 	 * @param int $order_id
 	 * @return array
 	 */
-	public function process_pre_order( $order_id, $retry, $force_customer ) {
-		if ( WC_Pre_Orders_Order::order_requires_payment_tokenization( $order_id ) ) {
+	public function process_pre_order($order_id, $retry, $force_customer) {
+		if (WC_Pre_Orders_Order::order_requires_payment_tokenization($order_id)) {
 			try {
-				$order = wc_get_order( $order_id );
+				$order = wc_get_order($order_id);
 
 				// Check order amount
-				switch ( get_woocommerce_currency() ) {
+				switch (get_woocommerce_currency()) {
 					case 'USD':
 					case 'CAD':
 					case 'EUR':
@@ -213,19 +213,19 @@ 
 						$minimum_amount = 50;
 						break;
 				}
-				if ( $order->get_total() * 100 < $minimum_amount ) {
-					throw new Exception( sprintf( __( 'Sorry, the minimum allowed order total is %1$s to use this payment method.', 'woocommerce-gateway-stripe' ), wc_price( $minimum_amount / 100 ) ) );
+				if ($order->get_total() * 100 < $minimum_amount) {
+					throw new Exception(sprintf(__('Sorry, the minimum allowed order total is %1$s to use this payment method.', 'woocommerce-gateway-stripe'), wc_price($minimum_amount / 100)));
 				}
 
-				$source = $this->get_source( get_current_user_id(), true );
+				$source = $this->get_source(get_current_user_id(), true);
 
 				// We need a source on file to continue.
-				if ( empty( $source->customer ) || empty( $source->source ) ) {
-					throw new Exception( __( 'Unable to store payment details. Please try again.', 'woocommerce-gateway-stripe' ) );
+				if (empty($source->customer) || empty($source->source)) {
+					throw new Exception(__('Unable to store payment details. Please try again.', 'woocommerce-gateway-stripe'));
 				}
 
 				// Store source to order meta
-				$this->save_source( $order, $source );
+				$this->save_source($order, $source);
 
 				// Reduce stock levels
 				$order->reduce_order_stock();
@@ -234,19 +234,19 @@ 
 				WC()->cart->empty_cart();
 
 				// Is pre ordered!
-				WC_Pre_Orders_Order::mark_order_as_pre_ordered( $order );
+				WC_Pre_Orders_Order::mark_order_as_pre_ordered($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' );
+			} catch (Exception $e) {
+				wc_add_notice($e->getMessage(), 'error');
 				return;
 			}
 		} else {
-			return parent::process_payment( $order_id, $retry, $force_customer );
+			return parent::process_payment($order_id, $retry, $force_customer);
 		}
 	}
 
@@ -255,7 +255,7 @@ 
 	 * @param WC_Order $order
 	 * @return void
 	 */
-	public function process_pre_order_release_payment( $order ) {
+	public function process_pre_order_release_payment($order) {
 		try {
 			// Define some callbacks if the first attempt fails.
 			$retry_callbacks = array(
@@ -263,33 +263,33 @@ 
 				'remove_order_customer_before_retry',
 			);
 
-			while ( 1 ) {
-				$source   = $this->get_order_source( $order );
-				$response = WC_Stripe_API::request( $this->generate_payment_request( $order, $source ) );
+			while (1) {
+				$source   = $this->get_order_source($order);
+				$response = WC_Stripe_API::request($this->generate_payment_request($order, $source));
 
-				if ( is_wp_error( $response ) ) {
-					if ( 0 === sizeof( $retry_callbacks ) ) {
-						throw new Exception( $response->get_error_message() );
+				if (is_wp_error($response)) {
+					if (0 === sizeof($retry_callbacks)) {
+						throw new Exception($response->get_error_message());
 					} else {
-						$retry_callback = array_shift( $retry_callbacks );
-						call_user_func( array( $this, $retry_callback ), $order );
+						$retry_callback = array_shift($retry_callbacks);
+						call_user_func(array($this, $retry_callback), $order);
 					}
 				} else {
 					// Successful
-					$this->process_response( $response, $order );
+					$this->process_response($response, $order);
 					break;
 				}
 			}
 
-		} catch ( Exception $e ) {
-			$order_note = sprintf( __( 'Stripe Transaction Failed (%s)', 'woocommerce-gateway-stripe' ), $e->getMessage() );
+		} catch (Exception $e) {
+			$order_note = sprintf(__('Stripe Transaction Failed (%s)', 'woocommerce-gateway-stripe'), $e->getMessage());
 
 			// Mark order as failed if not already set,
 			// otherwise, make sure we add the order note so we can detect when someone fails to check out multiple times
-			if ( ! $order->has_status( 'failed' ) ) {
-				$order->update_status( 'failed', $order_note );
+			if ( ! $order->has_status('failed')) {
+				$order->update_status('failed', $order_note);
 			} else {
-				$order->add_order_note( $order_note );
+				$order->add_order_note($order_note);
 			}
 		}
 	}
@@ -298,20 +298,20 @@ 
 	 * 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->id, '_stripe_customer_id' );
-		delete_post_meta( $resubscribe_order->id, '_stripe_card_id' );
-		$this->delete_renewal_meta( $resubscribe_order );
+	public function delete_resubscribe_meta($resubscribe_order) {
+		delete_post_meta($resubscribe_order->id, '_stripe_customer_id');
+		delete_post_meta($resubscribe_order->id, '_stripe_card_id');
+		$this->delete_renewal_meta($resubscribe_order);
 	}
 
 	/**
 	 * Don't transfer Stripe fee/ID meta to renewal orders.
 	 * @param int $resubscribe_order The order created for the customer to resubscribe to the old expired/cancelled subscription
 	 */
-	public function delete_renewal_meta( $renewal_order ) {
-		delete_post_meta( $renewal_order->id, 'Stripe Fee' );
-		delete_post_meta( $renewal_order->id, 'Net Revenue From Stripe' );
-		delete_post_meta( $renewal_order->id, 'Stripe Payment ID' );
+	public function delete_renewal_meta($renewal_order) {
+		delete_post_meta($renewal_order->id, 'Stripe Fee');
+		delete_post_meta($renewal_order->id, 'Net Revenue From Stripe');
+		delete_post_meta($renewal_order->id, 'Stripe Payment ID');
 		return $renewal_order;
 	}
 
@@ -321,11 +321,11 @@ 
 	 * @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 ) {
-		$response = $this->process_subscription_payment( $renewal_order, $amount_to_charge );
+	public function scheduled_subscription_payment($amount_to_charge, $renewal_order) {
+		$response = $this->process_subscription_payment($renewal_order, $amount_to_charge);
 
-		if ( is_wp_error( $response ) ) {
-			$renewal_order->update_status( 'failed', sprintf( __( 'Stripe Transaction Failed (%s)', 'woocommerce-gateway-stripe' ), $response->get_error_message() ) );
+		if (is_wp_error($response)) {
+			$renewal_order->update_status('failed', sprintf(__('Stripe Transaction Failed (%s)', 'woocommerce-gateway-stripe'), $response->get_error_message()));
 		}
 	}
 
@@ -333,16 +333,16 @@ 
 	 * Remove order meta
 	 * @param  object $order
 	 */
-	public function remove_order_source_before_retry( $order ) {
-		delete_post_meta( $order->id, '_stripe_card_id' );
+	public function remove_order_source_before_retry($order) {
+		delete_post_meta($order->id, '_stripe_card_id');
 	}
 
 	/**
 	 * Remove order meta
 	 * @param  object $order
 	 */
-	public function remove_order_customer_before_retry( $order ) {
-		delete_post_meta( $order->id, '_stripe_customer_id' );
+	public function remove_order_customer_before_retry($order) {
+		delete_post_meta($order->id, '_stripe_customer_id');
 	}
 
 	/**
@@ -354,9 +354,9 @@ 
 	 * @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->id, '_stripe_customer_id', $renewal_order->stripe_customer_id );
-		update_post_meta( $subscription->id, '_stripe_card_id', $renewal_order->stripe_card_id );
+	public function update_failing_payment_method($subscription, $renewal_order) {
+		update_post_meta($subscription->id, '_stripe_customer_id', $renewal_order->stripe_customer_id);
+		update_post_meta($subscription->id, '_stripe_card_id', $renewal_order->stripe_card_id);
 	}
 
 	/**
@@ -368,15 +368,15 @@ 
 	 * @param WC_Subscription $subscription An instance of a subscription object
 	 * @return array
 	 */
-	public function add_subscription_payment_meta( $payment_meta, $subscription ) {
-		$payment_meta[ $this->id ] = array(
+	public function add_subscription_payment_meta($payment_meta, $subscription) {
+		$payment_meta[$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_card_id' => array(
-					'value' => get_post_meta( $subscription->id, '_stripe_card_id', true ),
+					'value' => get_post_meta($subscription->id, '_stripe_card_id', true),
 					'label' => 'Stripe Card ID',
 				),
 			),
@@ -393,17 +393,17 @@ 
 	 * @param array $payment_meta associative array of meta data required for automatic payments
 	 * @return array
 	 */
-	public function validate_subscription_payment_meta( $payment_method_id, $payment_meta ) {
-		if ( $this->id === $payment_method_id ) {
+	public function validate_subscription_payment_meta($payment_method_id, $payment_meta) {
+		if ($this->id === $payment_method_id) {
 
-			if ( ! isset( $payment_meta['post_meta']['_stripe_customer_id']['value'] ) || empty( $payment_meta['post_meta']['_stripe_customer_id']['value'] ) ) {
-				throw new Exception( 'A "_stripe_customer_id" value is required.' );
-			} elseif ( 0 !== strpos( $payment_meta['post_meta']['_stripe_customer_id']['value'], 'cus_' ) ) {
-				throw new Exception( 'Invalid customer ID. A valid "_stripe_customer_id" must begin with "cus_".' );
+			if ( ! isset($payment_meta['post_meta']['_stripe_customer_id']['value']) || empty($payment_meta['post_meta']['_stripe_customer_id']['value'])) {
+				throw new Exception('A "_stripe_customer_id" value is required.');
+			} elseif (0 !== strpos($payment_meta['post_meta']['_stripe_customer_id']['value'], 'cus_')) {
+				throw new Exception('Invalid customer ID. A valid "_stripe_customer_id" must begin with "cus_".');
 			}
 
-			if ( ! empty( $payment_meta['post_meta']['_stripe_card_id']['value'] ) && 0 !== strpos( $payment_meta['post_meta']['_stripe_card_id']['value'], 'card_' ) ) {
-				throw new Exception( 'Invalid card ID. A valid "_stripe_card_id" must begin with "card_".' );
+			if ( ! empty($payment_meta['post_meta']['_stripe_card_id']['value']) && 0 !== strpos($payment_meta['post_meta']['_stripe_card_id']['value'], 'card_')) {
+				throw new Exception('Invalid card ID. A valid "_stripe_card_id" must begin with "card_".');
 			}
 		}
 	}
@@ -416,43 +416,43 @@ 
 	 * @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) {
 		// bail for other payment methods
-		if ( $this->id !== $subscription->payment_method || ! $subscription->customer_user ) {
+		if ($this->id !== $subscription->payment_method || ! $subscription->customer_user) {
 			return $payment_method_to_display;
 		}
 
 		$stripe_customer    = new WC_Stripe_Customer();
-		$stripe_customer_id = get_post_meta( $subscription->id, '_stripe_customer_id', true );
-		$stripe_card_id     = get_post_meta( $subscription->id, '_stripe_card_id', true );
+		$stripe_customer_id = get_post_meta($subscription->id, '_stripe_customer_id', true);
+		$stripe_card_id     = get_post_meta($subscription->id, '_stripe_card_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            = $subscription->customer_user;
-			$stripe_customer_id = get_user_meta( $user_id, '_stripe_customer_id', true );
-			$stripe_card_id     = get_user_meta( $user_id, '_stripe_card_id', true );
+			$stripe_customer_id = get_user_meta($user_id, '_stripe_customer_id', true);
+			$stripe_card_id     = get_user_meta($user_id, '_stripe_card_id', true);
 		}
 
 		// 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->order->id, '_stripe_customer_id', true );
-			$stripe_card_id     = get_post_meta( $subscription->order->id, '_stripe_card_id', true );
+		if (( ! $stripe_customer_id || ! is_string($stripe_customer_id)) && false !== $subscription->order) {
+			$stripe_customer_id = get_post_meta($subscription->order->id, '_stripe_customer_id', true);
+			$stripe_card_id     = get_post_meta($subscription->order->id, '_stripe_card_id', true);
 		}
 
-		$stripe_customer->set_id( $stripe_customer_id );
+		$stripe_customer->set_id($stripe_customer_id);
 		$cards = $stripe_customer->get_cards();
 
-		if ( $cards ) {
+		if ($cards) {
 			$found_card = false;
-			foreach ( $cards as $card ) {
-				if ( $card->id === $stripe_card_id ) {
+			foreach ($cards as $card) {
+				if ($card->id === $stripe_card_id) {
 					$found_card                = true;
-					$payment_method_to_display = sprintf( __( 'Via %s card ending in %s', 'woocommerce-gateway-stripe' ), ( isset( $card->type ) ? $card->type : $card->brand ), $card->last4 );
+					$payment_method_to_display = sprintf(__('Via %s card ending in %s', 'woocommerce-gateway-stripe'), (isset($card->type) ? $card->type : $card->brand), $card->last4);
 					break;
 				}
 			}
-			if ( ! $found_card ) {
-				$payment_method_to_display = sprintf( __( 'Via %s card ending in %s', 'woocommerce-gateway-stripe' ), ( isset( $cards[0]->type ) ? $cards[0]->type : $cards[0]->brand ), $cards[0]->last4 );
+			if ( ! $found_card) {
+				$payment_method_to_display = sprintf(__('Via %s card ending in %s', 'woocommerce-gateway-stripe'), (isset($cards[0]->type) ? $cards[0]->type : $cards[0]->brand), $cards[0]->last4);
 			}
 		}
 

includes/legacy/class-wc-gateway-stripe.php

Spacing +186 added lines, -186 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit;
 }
 
@@ -15,8 +15,8 @@ 
 	 */
 	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(
@@ -42,35 +42,35 @@ 
 		$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->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->logging                = 'yes' === $this->get_option( 'logging' );
-
-		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->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->logging                = 'yes' === $this->get_option('logging');
+
+		if ($this->stripe_checkout) {
+			$this->order_button_text = __('Continue to payment', 'woocommerce-gateway-stripe');
 		}
 
-		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);
 
 		// Hooks
-		add_action( 'wp_enqueue_scripts', array( $this, 'payment_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_notices', array($this, 'admin_notices'));
+		add_action('woocommerce_update_options_payment_gateways_' . $this->id, array($this, 'process_admin_options'));
 	}
 
 	/**
@@ -80,35 +80,35 @@ 
 	 * @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 ) {
-			$icon .= '<img src="' . WC_HTTPS::force_https_url( plugins_url( '/assets/images/bitcoin' . $ext, WC_STRIPE_MAIN_FILE ) ) . '" alt="Bitcoin" width="32" ' . $style . ' />';
+		if ($this->bitcoin) {
+			$icon .= '<img src="' . WC_HTTPS::force_https_url(plugins_url('/assets/images/bitcoin' . $ext, WC_STRIPE_MAIN_FILE)) . '" alt="Bitcoin" width="32" ' . $style . ' />';
 		}
 
-		return apply_filters( 'woocommerce_gateway_icon', $icon, $this->id );
+		return apply_filters('woocommerce_gateway_icon', $icon, $this->id);
 	}
 
 	/**
 	 * Get Stripe amount to pay
 	 * @return float
 	 */
-	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' :
@@ -125,10 +125,10 @@ 
 			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;
@@ -138,31 +138,31 @@ 
 	 * Check if SSL is enabled and notify the user
 	 */
 	public function admin_notices() {
-		if ( $this->enabled == 'no' ) {
+		if ($this->enabled == 'no') {
 			return;
 		}
 
-		$addons = ( class_exists( 'WC_Subscriptions_Order' ) || class_exists( 'WC_Pre_Orders_Order' ) ) ? '_addons' : '';
+		$addons = (class_exists('WC_Subscriptions_Order') || class_exists('WC_Pre_Orders_Order')) ? '_addons' : '';
 
 		// Check required fields
-		if ( ! $this->secret_key ) {
-			echo '<div class="error"><p>' . sprintf( __( 'Stripe error: Please enter your secret key <a href="%s">here</a>', 'woocommerce-gateway-stripe' ), admin_url( 'admin.php?page=wc-settings&tab=checkout&section=wc_gateway_stripe' . $addons ) ) . '</p></div>';
+		if ( ! $this->secret_key) {
+			echo '<div class="error"><p>' . sprintf(__('Stripe error: Please enter your secret key <a href="%s">here</a>', 'woocommerce-gateway-stripe'), admin_url('admin.php?page=wc-settings&tab=checkout&section=wc_gateway_stripe' . $addons)) . '</p></div>';
 			return;
 
-		} elseif ( ! $this->publishable_key ) {
-			echo '<div class="error"><p>' . sprintf( __( 'Stripe error: Please enter your publishable key <a href="%s">here</a>', 'woocommerce-gateway-stripe' ), admin_url( 'admin.php?page=wc-settings&tab=checkout&section=wc_gateway_stripe' . $addons ) ) . '</p></div>';
+		} elseif ( ! $this->publishable_key) {
+			echo '<div class="error"><p>' . sprintf(__('Stripe error: Please enter your publishable key <a href="%s">here</a>', 'woocommerce-gateway-stripe'), admin_url('admin.php?page=wc-settings&tab=checkout&section=wc_gateway_stripe' . $addons)) . '</p></div>';
 			return;
 		}
 
 		// Simple check for duplicate keys
-		if ( $this->secret_key == $this->publishable_key ) {
-			echo '<div class="error"><p>' . sprintf( __( 'Stripe error: Your secret and publishable keys match. Please check and re-enter.', 'woocommerce-gateway-stripe' ), admin_url( 'admin.php?page=wc-settings&tab=checkout&section=wc_gateway_stripe' . $addons ) ) . '</p></div>';
+		if ($this->secret_key == $this->publishable_key) {
+			echo '<div class="error"><p>' . sprintf(__('Stripe error: Your secret and publishable keys match. Please check and re-enter.', 'woocommerce-gateway-stripe'), admin_url('admin.php?page=wc-settings&tab=checkout&section=wc_gateway_stripe' . $addons)) . '</p></div>';
 			return;
 		}
 
 		// 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"><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"><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>';
 		}
 	}
 
@@ -170,11 +170,11 @@ 
 	 * 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;
@@ -186,9 +186,9 @@ 
 	 * Initialise Gateway Settings Form Fields
 	 */
 	public function init_form_fields() {
-		$this->form_fields = include( untrailingslashit( plugin_dir_path( WC_STRIPE_MAIN_FILE ) ) . '/includes/settings-stripe.php' );
+		$this->form_fields = include(untrailingslashit(plugin_dir_path(WC_STRIPE_MAIN_FILE)) . '/includes/settings-stripe.php');
 
-		wc_enqueue_js( "
+		wc_enqueue_js("
 			jQuery( function( $ ) {
 				$( '#woocommerce_stripe_stripe_checkout' ).change(function(){
 					if ( $( this ).is( ':checked' ) ) {
@@ -208,25 +208,25 @@ 
 		?>
 		<fieldset class="stripe-legacy-payment-fields">
 			<?php
-				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 ( $this->saved_cards && is_user_logged_in() ) {
-					$stripe_customer = new WC_Stripe_Customer( get_current_user_id() );
+				if ($this->saved_cards && is_user_logged_in()) {
+					$stripe_customer = new WC_Stripe_Customer(get_current_user_id());
 					?>
 					<p class="form-row form-row-wide">
-						<a class="<?php echo apply_filters( 'wc_stripe_manage_saved_cards_class', 'button' ); ?>" style="float:right;" href="<?php echo apply_filters( 'wc_stripe_manage_saved_cards_url', get_permalink( get_option( 'woocommerce_myaccount_page_id' ) ) ); ?>#saved-cards"><?php esc_html_e( 'Manage cards', 'woocommerce-gateway-stripe' ); ?></a>
+						<a class="<?php echo apply_filters('wc_stripe_manage_saved_cards_class', 'button'); ?>" style="float:right;" href="<?php echo apply_filters('wc_stripe_manage_saved_cards_url', get_permalink(get_option('woocommerce_myaccount_page_id'))); ?>#saved-cards"><?php esc_html_e('Manage cards', 'woocommerce-gateway-stripe'); ?></a>
 						<?php
-						if ( $cards = $stripe_customer->get_cards() ) {
+						if ($cards = $stripe_customer->get_cards()) {
 							$default_card = $cards[0]->id;
-							foreach ( (array) $cards as $card ) {
-								if ( 'card' !== $card->object ) {
+							foreach ((array) $cards as $card) {
+								if ('card' !== $card->object) {
 									continue;
 								}
 								?>
-								<label for="stripe_card_<?php echo $card->id; ?>" class="brand-<?php echo esc_attr( strtolower( $card->brand ) ); ?>">
-									<input type="radio" id="stripe_card_<?php echo $card->id; ?>" name="wc-stripe-payment-token" value="<?php echo $card->id; ?>" <?php checked( $default_card, $card->id ) ?> />
-									<?php printf( __( '%s card ending in %s (Expires %s/%s)', 'woocommerce-gateway-stripe' ), $card->brand, $card->last4, $card->exp_month, $card->exp_year ); ?>
+								<label for="stripe_card_<?php echo $card->id; ?>" class="brand-<?php echo esc_attr(strtolower($card->brand)); ?>">
+									<input type="radio" id="stripe_card_<?php echo $card->id; ?>" name="wc-stripe-payment-token" value="<?php echo $card->id; ?>" <?php checked($default_card, $card->id) ?> />
+									<?php printf(__('%s card ending in %s (Expires %s/%s)', 'woocommerce-gateway-stripe'), $card->brand, $card->last4, $card->exp_month, $card->exp_year); ?>
 								</label>
 								<?php
 							}
@@ -234,7 +234,7 @@ 
 						?>
 						<label for="new">
 							<input type="radio" id="new" name="wc-stripe-payment-token" value="new" />
-							<?php _e( 'Use a new credit card', 'woocommerce-gateway-stripe' ); ?>
+							<?php _e('Use a new credit card', 'woocommerce-gateway-stripe'); ?>
 						</label>
 					</p>
 					<?php
@@ -242,8 +242,8 @@ 
 
 				$user = wp_get_current_user();
 
-				if ( $user ) {
-					$user_email = get_user_meta( $user->ID, 'billing_email', true );
+				if ($user) {
+					$user_email = get_user_meta($user->ID, 'billing_email', true);
 					$user_email = $user_email ? $user_email : $user->user_email;
 				} else {
 					$user_email = '';
@@ -251,22 +251,22 @@ 
 
 				$display = '';
 
-				if ( $this->stripe_checkout || $this->saved_cards && ! empty( $cards ) ) {
+				if ($this->stripe_checkout || $this->saved_cards && ! empty($cards)) {
 					$display = 'style="display:none;"';
 				}
 
 				echo '<div ' . $display . ' id="stripe-payment-data"
 					data-description=""
-					data-email="' . esc_attr( $user_email ) . '"
-					data-amount="' . esc_attr( $this->get_stripe_amount( WC()->cart->total ) ) . '"
-					data-name="' . esc_attr( sprintf( __( '%s', 'woocommerce-gateway-stripe' ), get_bloginfo( 'name', 'display' ) ) ) . '"
-					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' ) . '">';
-
-				if ( ! $this->stripe_checkout ) {
-					$this->credit_card_form( array( 'fields_have_names' => false ) );
+					data-email="' . esc_attr($user_email) . '"
+					data-amount="' . esc_attr($this->get_stripe_amount(WC()->cart->total)) . '"
+					data-name="' . esc_attr(sprintf(__('%s', 'woocommerce-gateway-stripe'), get_bloginfo('name', 'display'))) . '"
+					data-currency="' . esc_attr(strtolower(get_woocommerce_currency())) . '"
+					data-image="' . esc_attr($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') . '">';
+
+				if ( ! $this->stripe_checkout) {
+					$this->credit_card_form(array('fields_have_names' => false));
 				}
 
 				echo '</div>';
@@ -283,27 +283,27 @@ 
 	 * @access public
 	 */
 	public function payment_scripts() {
-		if ( $this->stripe_checkout ) {
-			wp_enqueue_script( 'stripe', 'https://checkout.stripe.com/v2/checkout.js', '', '2.0', true );
-			wp_enqueue_script( 'woocommerce_stripe', plugins_url( 'assets/js/stripe_checkout.js', WC_STRIPE_MAIN_FILE ), array( 'stripe' ), WC_STRIPE_VERSION, true );
+		if ($this->stripe_checkout) {
+			wp_enqueue_script('stripe', 'https://checkout.stripe.com/v2/checkout.js', '', '2.0', true);
+			wp_enqueue_script('woocommerce_stripe', plugins_url('assets/js/stripe_checkout.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.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.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 ( is_checkout_pay_page() && isset( $_GET['order'] ) && isset( $_GET['order_id'] ) ) {
-			$order_key = urldecode( $_GET['order'] );
-			$order_id  = absint( $_GET['order_id'] );
-			$order     = wc_get_order( $order_id );
+		if (is_checkout_pay_page() && isset($_GET['order']) && isset($_GET['order_id'])) {
+			$order_key = urldecode($_GET['order']);
+			$order_id  = absint($_GET['order_id']);
+			$order     = wc_get_order($order_id);
 
-			if ( $order->id === $order_id && $order->order_key === $order_key ) {
+			if ($order->id === $order_id && $order->order_key === $order_key) {
 				$stripe_params['billing_first_name'] = $order->billing_first_name;
 				$stripe_params['billing_last_name']  = $order->billing_last_name;
 				$stripe_params['billing_address_1']  = $order->billing_address_1;
@@ -315,7 +315,7 @@ 
 			}
 		}
 
-		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));
 	}
 
 	/**
@@ -324,24 +324,24 @@ 
 	 * @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( $order->get_order_currency() ? $order->get_order_currency() : get_woocommerce_currency() );
-		$post_data['amount']      = $this->get_stripe_amount( $order->get_total(), $post_data['currency'] );
-		$post_data['description'] = sprintf( __( '%s - Order %s', 'woocommerce-gateway-stripe' ), wp_specialchars_decode( get_bloginfo( 'name' ), ENT_QUOTES ), $order->get_order_number() );
+		$post_data['currency']    = strtolower($order->get_order_currency() ? $order->get_order_currency() : get_woocommerce_currency());
+		$post_data['amount']      = $this->get_stripe_amount($order->get_total(), $post_data['currency']);
+		$post_data['description'] = sprintf(__('%s - Order %s', 'woocommerce-gateway-stripe'), wp_specialchars_decode(get_bloginfo('name'), ENT_QUOTES), $order->get_order_number());
 		$post_data['capture']     = $this->capture ? 'true' : 'false';
 
-		if ( ! empty( $order->billing_email ) && apply_filters( 'wc_stripe_send_stripe_receipt', false ) ) {
+		if ( ! empty($order->billing_email) && apply_filters('wc_stripe_send_stripe_receipt', false)) {
 			$post_data['receipt_email'] = $order->billing_email;
 		}
 
-		$post_data['expand[]']    = 'balance_transaction';
+		$post_data['expand[]'] = 'balance_transaction';
 
-		if ( $source->customer ) {
+		if ($source->customer) {
 			$post_data['customer'] = $source->customer;
 		}
 
-		if ( $source->source ) {
+		if ($source->source) {
 			$post_data['source'] = $source->source;
 		}
 
@@ -353,22 +353,22 @@ 
 	 * @param  bool $force_customer Should we force customer creation?
 	 * @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 {
@@ -379,8 +379,8 @@ 
 		}
 
 		// Use an existing token, and then process the payment
-		elseif ( isset( $_POST['wc-stripe-payment-token'] ) && 'new' !== $_POST['wc-stripe-payment-token'] ) {
-			$stripe_source = wc_clean( $_POST['wc-stripe-payment-token'] );
+		elseif (isset($_POST['wc-stripe-payment-token']) && 'new' !== $_POST['wc-stripe-payment-token']) {
+			$stripe_source = wc_clean($_POST['wc-stripe-payment-token']);
 		}
 
 		return (object) array(
@@ -401,16 +401,16 @@ 
 	 * @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 ) {
-			if ( $meta_value = get_post_meta( $order->id, '_stripe_customer_id', true ) ) {
-				$stripe_customer->set_id( $meta_value );
+		if ($order) {
+			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;
 			}
 		}
@@ -425,25 +425,25 @@ 
 	/**
 	 * Process the payment
 	 */
-	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) {
 
 				// Check order amount
-				switch ( get_woocommerce_currency() ) {
+				switch (get_woocommerce_currency()) {
 					case 'USD':
 					case 'CAD':
 					case 'EUR':
@@ -475,26 +475,26 @@ 
 						$minimum_amount = 50;
 						break;
 				}
-				if ( $order->get_total() * 100 < $minimum_amount ) {
-					throw new Exception( sprintf( __( 'Sorry, the minimum allowed order total is %1$s to use this payment method.', 'woocommerce-gateway-stripe' ), wc_price( $minimum_amount / 100 ) ) );
+				if ($order->get_total() * 100 < $minimum_amount) {
+					throw new Exception(sprintf(__('Sorry, the minimum allowed order total is %1$s to use this payment method.', 'woocommerce-gateway-stripe'), wc_price($minimum_amount / 100)));
 				}
 
-				WC_Stripe::log( "Info: Begin processing payment for order $order_id for the amount of {$order->get_total()}" );
+				WC_Stripe::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);
 					}
-					throw new Exception( $response->get_error_code() . ': ' . $response->get_error_message() );
+					throw new Exception($response->get_error_code() . ': ' . $response->get_error_message());
 				}
 
 				// Process valid response
-				$this->process_response( $response, $order );
+				$this->process_response($response, $order);
 			} else {
 				$order->payment_complete();
 			}
@@ -505,13 +505,13 @@ 
 			// 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' );
-			WC()->session->set( 'refresh_totals', true );
-			WC_Stripe::log( sprintf( __( 'Error: %s', 'woocommerce-gateway-stripe' ), $e->getMessage() ) );
+		} catch (Exception $e) {
+			wc_add_notice($e->getMessage(), 'error');
+			WC()->session->set('refresh_totals', true);
+			WC_Stripe::log(sprintf(__('Error: %s', 'woocommerce-gateway-stripe'), $e->getMessage()));
 			return;
 		}
 	}
@@ -519,45 +519,45 @@ 
 	/**
 	 * Save source to order.
 	 */
-	protected function save_source( $order, $source ) {
+	protected function save_source($order, $source) {
 		// 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', $source->source->id );
+		if ($source->source) {
+			update_post_meta($order->id, '_stripe_card_id', $source->source->id);
 		}
 	}
 
 	/**
 	 * Store extra meta data for an order from a Stripe Response.
 	 */
-	public function process_response( $response, $order ) {
-		WC_Stripe::log( "Processing response: " . print_r( $response, true ) );
+	public function process_response($response, $order) {
+		WC_Stripe::log("Processing response: " . print_r($response, true));
 
 		// 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 ) ) {
-			$fee = number_format( $response->balance_transaction->fee / 100, 2, '.', '' );
-			update_post_meta( $order->id, 'Stripe Fee', $fee );
-			update_post_meta( $order->id, 'Net Revenue From Stripe', $order->get_total() - $fee );
+		if (isset($response->balance_transaction) && isset($response->balance_transaction->fee)) {
+			$fee = number_format($response->balance_transaction->fee / 100, 2, '.', '');
+			update_post_meta($order->id, 'Stripe Fee', $fee);
+			update_post_meta($order->id, 'Net Revenue From Stripe', $order->get_total() - $fee);
 		}
 
-		if ( $response->captured ) {
-			$order->payment_complete( $response->id );
-			WC_Stripe::log( "Successful charge: $response->id" );
+		if ($response->captured) {
+			$order->payment_complete($response->id);
+			WC_Stripe::log("Successful charge: $response->id");
 		} else {
-			add_post_meta( $order->id, '_transaction_id', $response->id, true );
+			add_post_meta($order->id, '_transaction_id', $response->id, true);
 
-			if ( $order->has_status( array( 'pending', 'failed' ) ) ) {
+			if ($order->has_status(array('pending', 'failed'))) {
 				$order->reduce_order_stock();
 			}
 
-			$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 ) );
-			WC_Stripe::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));
+			WC_Stripe::log("Successful auth: $response->id");
 		}
 
 		return $response;
@@ -569,21 +569,21 @@ 
 	 * @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() );
-		$result          = $stripe_customer->add_card( wc_clean( $_POST['stripe_token'] ) );
+		$stripe_customer = new WC_Stripe_Customer(get_current_user_id());
+		$result          = $stripe_customer->add_card(wc_clean($_POST['stripe_token']));
 
-		if ( is_wp_error( $result ) ) {
-			throw new Exception( $result->get_error_message() );
+		if (is_wp_error($result)) {
+			throw new Exception($result->get_error_message());
 		}
 
 		return array(
 			'result'   => 'success',
-			'redirect' => wc_get_endpoint_url( 'payment-methods' ),
+			'redirect' => wc_get_endpoint_url('payment-methods'),
 		);
 	}
 
@@ -593,36 +593,36 @@ 
 	 * @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,
 			);
 		}
 
-		WC_Stripe::log( "Info: Beginning refund for order $order_id for the amount of {$amount}" );
+		WC_Stripe::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 ) ) {
-			WC_Stripe::log( "Error: " . $response->get_error_message() );
+		if (is_wp_error($response)) {
+			WC_Stripe::log("Error: " . $response->get_error_message());
 			return $response;
-		} elseif ( ! empty( $response->id ) ) {
-			$refund_message = sprintf( __( 'Refunded %s - Refund ID: %s - Reason: %s', 'woocommerce-gateway-stripe' ), wc_price( $response->amount / 100 ), $response->id, $reason );
-			$order->add_order_note( $refund_message );
-			WC_Stripe::log( "Success: " . html_entity_decode( strip_tags( $refund_message ) ) );
+		} elseif ( ! empty($response->id)) {
+			$refund_message = sprintf(__('Refunded %s - Refund ID: %s - Reason: %s', 'woocommerce-gateway-stripe'), wc_price($response->amount / 100), $response->id, $reason);
+			$order->add_order_note($refund_message);
+			WC_Stripe::log("Success: " . html_entity_decode(strip_tags($refund_message)));
 			return true;
 		}
 	}