woocommerce / woocommerce-gateway-stripe

includes/class-wc-stripe-order-handler.php

Spacing +175 added lines, -175 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit;
 }
 
@@ -20,12 +20,12 @@ 
 	public function __construct() {
 		self::$_this = $this;
 
-		add_action( 'wp', array( $this, 'maybe_process_redirect_order' ) );
-		add_action( 'woocommerce_order_status_on-hold_to_processing', array( $this, 'capture_payment' ) );
-		add_action( 'woocommerce_order_status_on-hold_to_completed', array( $this, 'capture_payment' ) );
-		add_action( 'woocommerce_order_status_on-hold_to_cancelled', array( $this, 'cancel_payment' ) );
-		add_action( 'woocommerce_order_status_on-hold_to_refunded', array( $this, 'cancel_payment' ) );
-		add_action( 'wc_ajax_wc_stripe_validate_checkout', array( $this, 'validate_checkout' ) );
+		add_action('wp', array($this, 'maybe_process_redirect_order'));
+		add_action('woocommerce_order_status_on-hold_to_processing', array($this, 'capture_payment'));
+		add_action('woocommerce_order_status_on-hold_to_completed', array($this, 'capture_payment'));
+		add_action('woocommerce_order_status_on-hold_to_cancelled', array($this, 'cancel_payment'));
+		add_action('woocommerce_order_status_on-hold_to_refunded', array($this, 'cancel_payment'));
+		add_action('wc_ajax_wc_stripe_validate_checkout', array($this, 'validate_checkout'));
 	}
 
 	/**
@@ -46,25 +46,25 @@ 
 	 * @since 4.0.0
 	 * @version 4.0.0
 	 */
-	public function process_redirect_payment( $order_id, $retry = true ) {
+	public function process_redirect_payment($order_id, $retry = true) {
 		try {
-			$source = wc_clean( $_GET['source'] );
+			$source = wc_clean($_GET['source']);
 
-			if ( empty( $source ) ) {
+			if (empty($source)) {
 				return;
 			}
 
-			if ( empty( $order_id ) ) {
+			if (empty($order_id)) {
 				return;
 			}
 
-			$order = wc_get_order( $order_id );
+			$order = wc_get_order($order_id);
 
-			if ( ! is_object( $order ) ) {
+			if ( ! is_object($order)) {
 				return;
 			}
 
-			if ( 'processing' === $order->get_status() || 'completed' === $order->get_status() || 'on-hold' === $order->get_status() ) {
+			if ('processing' === $order->get_status() || 'completed' === $order->get_status() || 'on-hold' === $order->get_status()) {
 				return;
 			}
 
@@ -72,101 +72,101 @@ 
 			$response = null;
 
 			// This will throw exception if not valid.
-			$this->validate_minimum_order_amount( $order );
+			$this->validate_minimum_order_amount($order);
 
-			WC_Stripe_Logger::log( "Info: (Redirect) Begin processing payment for order $order_id for the amount of {$order->get_total()}" );
+			WC_Stripe_Logger::log("Info: (Redirect) Begin processing payment for order $order_id for the amount of {$order->get_total()}");
 
 			// Prep source object.
 			$source_object           = new stdClass();
 			$source_object->token_id = '';
-			$source_object->customer = $this->get_stripe_customer_id( $order );
+			$source_object->customer = $this->get_stripe_customer_id($order);
 			$source_object->source   = $source;
 
 			/**
 			 * First check if the source is chargeable at this time. If not,
 			 * webhook will take care of it later.
 			 */
-			$source_info = WC_Stripe_API::retrieve( 'sources/' . $source );
+			$source_info = WC_Stripe_API::retrieve('sources/' . $source);
 
-			if ( ! empty( $source_info->error ) ) {
-				throw new WC_Stripe_Exception( print_r( $source_info, true ), $source_info->error->message );
+			if ( ! empty($source_info->error)) {
+				throw new WC_Stripe_Exception(print_r($source_info, true), $source_info->error->message);
 			}
 
-			if ( 'failed' === $source_info->status || 'canceled' === $source_info->status ) {
-				throw new WC_Stripe_Exception( print_r( $source_info, true ), __( 'Unable to process this payment, please try again or use alternative method.', 'woocommerce-gateway-stripe' ) );
+			if ('failed' === $source_info->status || 'canceled' === $source_info->status) {
+				throw new WC_Stripe_Exception(print_r($source_info, true), __('Unable to process this payment, please try again or use alternative method.', 'woocommerce-gateway-stripe'));
 			}
 
 			// If already consumed, then ignore request.
-			if ( 'consumed' === $source_info->status ) {
+			if ('consumed' === $source_info->status) {
 				return;
 			}
 
 			// If not chargeable, then ignore request.
-			if ( 'chargeable' !== $source_info->status ) {
+			if ('chargeable' !== $source_info->status) {
 				return;
 			}
 
 			// Make the request.
-			$response = WC_Stripe_API::request( $this->generate_payment_request( $order, $source_object ) );
+			$response = WC_Stripe_API::request($this->generate_payment_request($order, $source_object));
 
-			if ( ! empty( $response->error ) ) {
+			if ( ! empty($response->error)) {
 				// If it is an API error such connection or server, let's retry.
-				if ( 'api_connection_error' === $response->error->type || 'api_error' === $response->error->type ) {
-					if ( $retry ) {
-						sleep( 5 );
-						return $this->process_redirect_payment( $order_id, false );
+				if ('api_connection_error' === $response->error->type || 'api_error' === $response->error->type) {
+					if ($retry) {
+						sleep(5);
+						return $this->process_redirect_payment($order_id, false);
 					} else {
 						$message = 'API connection error and retries exhausted.';
-						$order->add_order_note( $message );
-						throw new WC_Stripe_Exception( print_r( $response, true ), $message );
+						$order->add_order_note($message);
+						throw new WC_Stripe_Exception(print_r($response, true), $message);
 					}
 				}
 
 				// Customer param wrong? The user may have been deleted on stripe's end. Remove customer_id. Can be retried without.
-				if ( preg_match( '/No such customer/i', $response->error->message ) && $retry ) {
-					delete_user_meta( WC_Stripe_Helper::is_pre_30() ? $order->customer_user : $order->get_customer_id(), '_stripe_customer_id' );
+				if (preg_match('/No such customer/i', $response->error->message) && $retry) {
+					delete_user_meta(WC_Stripe_Helper::is_pre_30() ? $order->customer_user : $order->get_customer_id(), '_stripe_customer_id');
 
-					return $this->process_redirect_payment( $order_id, false );
+					return $this->process_redirect_payment($order_id, false);
 
-				} elseif ( preg_match( '/No such token/i', $response->error->message ) && $source_object->token_id ) {
+				} elseif (preg_match('/No such token/i', $response->error->message) && $source_object->token_id) {
 					// Source param wrong? The CARD may have been deleted on stripe's end. Remove token and show message.
 
-					$wc_token = WC_Payment_Tokens::get( $source_object->token_id );
+					$wc_token = WC_Payment_Tokens::get($source_object->token_id);
 					$wc_token->delete();
-					$message = __( 'This card is no longer available and has been removed.', 'woocommerce-gateway-stripe' );
-					$order->add_order_note( $message );
-					throw new WC_Stripe_Exception( print_r( $response, true ), $message );
+					$message = __('This card is no longer available and has been removed.', 'woocommerce-gateway-stripe');
+					$order->add_order_note($message);
+					throw new WC_Stripe_Exception(print_r($response, true), $message);
 				}
 
 				$localized_messages = WC_Stripe_Helper::get_localized_messages();
 
-				if ( 'card_error' === $response->error->type ) {
-					$message = isset( $localized_messages[ $response->error->code ] ) ? $localized_messages[ $response->error->code ] : $response->error->message;
+				if ('card_error' === $response->error->type) {
+					$message = isset($localized_messages[$response->error->code]) ? $localized_messages[$response->error->code] : $response->error->message;
 				} else {
-					$message = isset( $localized_messages[ $response->error->type ] ) ? $localized_messages[ $response->error->type ] : $response->error->message;
+					$message = isset($localized_messages[$response->error->type]) ? $localized_messages[$response->error->type] : $response->error->message;
 				}
 
-				throw new WC_Stripe_Exception( print_r( $response, true ), $message );
+				throw new WC_Stripe_Exception(print_r($response, true), $message);
 			}
 
-			do_action( 'wc_gateway_stripe_process_redirect_payment', $response, $order );
+			do_action('wc_gateway_stripe_process_redirect_payment', $response, $order);
 
-			$this->process_response( $response, $order );
+			$this->process_response($response, $order);
 
-		} catch ( WC_Stripe_Exception $e ) {
-			WC_Stripe_Logger::log( 'Error: ' . $e->getMessage() );
+		} catch (WC_Stripe_Exception $e) {
+			WC_Stripe_Logger::log('Error: ' . $e->getMessage());
 
-			do_action( 'wc_gateway_stripe_process_redirect_payment_error', $e, $order );
+			do_action('wc_gateway_stripe_process_redirect_payment_error', $e, $order);
 
 			/* translators: error message */
-			$order->update_status( 'failed', sprintf( __( 'Stripe payment failed: %s', 'woocommerce-gateway-stripe' ), $e->getLocalizedMessage() ) );
+			$order->update_status('failed', sprintf(__('Stripe payment failed: %s', 'woocommerce-gateway-stripe'), $e->getLocalizedMessage()));
 
-			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);
 			}
 
-			wc_add_notice( $e->getLocalizedMessage(), 'error' );
-			wp_safe_redirect( wc_get_checkout_url() );
+			wc_add_notice($e->getLocalizedMessage(), 'error');
+			wp_safe_redirect(wc_get_checkout_url());
 			exit;
 		}
 	}
@@ -178,13 +178,13 @@ 
 	 * @version 4.0.0
 	 */
 	public function maybe_process_redirect_order() {
-		if ( ! is_order_received_page() || empty( $_GET['client_secret'] ) || empty( $_GET['source'] ) ) {
+		if ( ! is_order_received_page() || empty($_GET['client_secret']) || empty($_GET['source'])) {
 			return;
 		}
 
-		$order_id = wc_clean( $_GET['order_id'] );
+		$order_id = wc_clean($_GET['order_id']);
 
-		$this->process_redirect_payment( $order_id );
+		$this->process_redirect_payment($order_id);
 	}
 
 	/**
@@ -194,52 +194,52 @@ 
 	 * @version 4.0.0
 	 * @param  int $order_id
 	 */
-	public function capture_payment( $order_id ) {
-		$order = wc_get_order( $order_id );
+	public function capture_payment($order_id) {
+		$order = wc_get_order($order_id);
 
-		if ( 'stripe' === ( WC_Stripe_Helper::is_pre_30() ? $order->payment_method : $order->get_payment_method() ) ) {
-			$charge   = WC_Stripe_Helper::is_pre_30() ? get_post_meta( $order_id, '_transaction_id', true ) : $order->get_transaction_id();
-			$captured = WC_Stripe_Helper::is_pre_30() ? get_post_meta( $order_id, '_stripe_charge_captured', true ) : $order->get_meta( '_stripe_charge_captured', true );
+		if ('stripe' === (WC_Stripe_Helper::is_pre_30() ? $order->payment_method : $order->get_payment_method())) {
+			$charge   = WC_Stripe_Helper::is_pre_30() ? get_post_meta($order_id, '_transaction_id', true) : $order->get_transaction_id();
+			$captured = WC_Stripe_Helper::is_pre_30() ? get_post_meta($order_id, '_stripe_charge_captured', true) : $order->get_meta('_stripe_charge_captured', true);
 
-			if ( $charge && 'no' === $captured ) {
+			if ($charge && 'no' === $captured) {
 				$order_total = $order->get_total();
 
-				if ( 0 < $order->get_total_refunded() ) {
+				if (0 < $order->get_total_refunded()) {
 					$order_total = $order_total - $order->get_total_refunded();
 				}
 
-				$result = WC_Stripe_API::request( array(
-					'amount'   => WC_Stripe_Helper::get_stripe_amount( $order_total ),
+				$result = WC_Stripe_API::request(array(
+					'amount'   => WC_Stripe_Helper::get_stripe_amount($order_total),
 					'expand[]' => 'balance_transaction',
-				), 'charges/' . $charge . '/capture' );
+				), 'charges/' . $charge . '/capture');
 
-				if ( ! empty( $result->error ) ) {
+				if ( ! empty($result->error)) {
 					/* translators: error message */
-					$order->update_status( 'failed', sprintf( __( 'Unable to capture charge! %s', 'woocommerce-gateway-stripe' ), $result->error->message ) );
+					$order->update_status('failed', sprintf(__('Unable to capture charge! %s', 'woocommerce-gateway-stripe'), $result->error->message));
 				} else {
 					/* translators: transaction id */
-					$order->add_order_note( sprintf( __( 'Stripe charge complete (Charge ID: %s)', 'woocommerce-gateway-stripe' ), $result->id ) );
-					WC_Stripe_Helper::is_pre_30() ? update_post_meta( $order_id, '_stripe_charge_captured', 'yes' ) : $order->update_meta_data( '_stripe_charge_captured', 'yes' );
+					$order->add_order_note(sprintf(__('Stripe charge complete (Charge ID: %s)', 'woocommerce-gateway-stripe'), $result->id));
+					WC_Stripe_Helper::is_pre_30() ? update_post_meta($order_id, '_stripe_charge_captured', 'yes') : $order->update_meta_data('_stripe_charge_captured', 'yes');
 
 					// Store other data such as fees
-					WC_Stripe_Helper::is_pre_30() ? update_post_meta( $order_id, '_transaction_id', $result->id ) : $order->set_transaction_id( $result->id );
+					WC_Stripe_Helper::is_pre_30() ? update_post_meta($order_id, '_transaction_id', $result->id) : $order->set_transaction_id($result->id);
 
-					if ( isset( $result->balance_transaction ) && isset( $result->balance_transaction->fee ) ) {
+					if (isset($result->balance_transaction) && isset($result->balance_transaction->fee)) {
 						// Fees and Net needs to both come from Stripe to be accurate as the returned
 						// values are in the local currency of the Stripe account, not from WC.
-						$fee = ! empty( $result->balance_transaction->fee ) ? WC_Stripe_Helper::format_balance_fee( $result->balance_transaction, 'fee' ) : 0;
-						$net = ! empty( $result->balance_transaction->net ) ? WC_Stripe_Helper::format_balance_fee( $result->balance_transaction, 'net' ) : 0;
-						WC_Stripe_Helper::is_pre_30() ? update_post_meta( $order_id, parent::META_NAME_FEE, $fee ) : $order->update_meta_data( parent::META_NAME_FEE, $fee );
-						WC_Stripe_Helper::is_pre_30() ? update_post_meta( $order_id, parent::META_NAME_NET, $net ) : $order->update_meta_data( parent::META_NAME_NET, $net );
+						$fee = ! empty($result->balance_transaction->fee) ? WC_Stripe_Helper::format_balance_fee($result->balance_transaction, 'fee') : 0;
+						$net = ! empty($result->balance_transaction->net) ? WC_Stripe_Helper::format_balance_fee($result->balance_transaction, 'net') : 0;
+						WC_Stripe_Helper::is_pre_30() ? update_post_meta($order_id, parent::META_NAME_FEE, $fee) : $order->update_meta_data(parent::META_NAME_FEE, $fee);
+						WC_Stripe_Helper::is_pre_30() ? update_post_meta($order_id, parent::META_NAME_NET, $net) : $order->update_meta_data(parent::META_NAME_NET, $net);
 					}
 
-					if ( is_callable( array( $order, 'save' ) ) ) {
+					if (is_callable(array($order, 'save'))) {
 						$order->save();
 					}
 				}
 
 				// This hook fires when admin manually changes order status to processing or completed.
-				do_action( 'woocommerce_stripe_process_manual_capture', $order, $result );
+				do_action('woocommerce_stripe_process_manual_capture', $order, $result);
 			}
 		}
 	}
@@ -251,32 +251,32 @@ 
 	 * @version 4.0.0
 	 * @param  int $order_id
 	 */
-	public function cancel_payment( $order_id ) {
-		$order = wc_get_order( $order_id );
+	public function cancel_payment($order_id) {
+		$order = wc_get_order($order_id);
 
-		if ( 'stripe' === ( WC_Stripe_Helper::is_pre_30() ? $order->payment_method : $order->get_payment_method() ) ) {
-			$charge_id = WC_Stripe_Helper::is_pre_30() ? get_post_meta( $order_id, '_transaction_id', true ) : $order->get_transaction_id();
+		if ('stripe' === (WC_Stripe_Helper::is_pre_30() ? $order->payment_method : $order->get_payment_method())) {
+			$charge_id = WC_Stripe_Helper::is_pre_30() ? get_post_meta($order_id, '_transaction_id', true) : $order->get_transaction_id();
 
-			if ( $charge_id ) {
-				$result = WC_Stripe_API::request( array(
-					'amount' => WC_Stripe_Helper::get_stripe_amount( $order->get_total() ),
-				), 'charges/' . $charge_id . '/refund' );
+			if ($charge_id) {
+				$result = WC_Stripe_API::request(array(
+					'amount' => WC_Stripe_Helper::get_stripe_amount($order->get_total()),
+				), 'charges/' . $charge_id . '/refund');
 
-				if ( ! empty( $result->error ) ) {
-					$order->add_order_note( __( 'Unable to refund charge!', 'woocommerce-gateway-stripe' ) . ' ' . $result->error->message );
+				if ( ! empty($result->error)) {
+					$order->add_order_note(__('Unable to refund charge!', 'woocommerce-gateway-stripe') . ' ' . $result->error->message);
 				} else {
 					/* translators: transaction id */
-					$order->add_order_note( sprintf( __( 'Stripe charge refunded (Charge ID: %s)', 'woocommerce-gateway-stripe' ), $result->id ) );
-					WC_Stripe_Helper::is_pre_30() ? delete_post_meta( $order_id, '_stripe_charge_captured' ) : $order->delete_meta_data( '_stripe_charge_captured' );
-					WC_Stripe_Helper::is_pre_30() ? delete_post_meta( $order_id, '_transaction_id' ) : $order->delete_meta_data( '_stripe_transaction_id' );
+					$order->add_order_note(sprintf(__('Stripe charge refunded (Charge ID: %s)', 'woocommerce-gateway-stripe'), $result->id));
+					WC_Stripe_Helper::is_pre_30() ? delete_post_meta($order_id, '_stripe_charge_captured') : $order->delete_meta_data('_stripe_charge_captured');
+					WC_Stripe_Helper::is_pre_30() ? delete_post_meta($order_id, '_transaction_id') : $order->delete_meta_data('_stripe_transaction_id');
 
-					if ( is_callable( array( $order, 'save' ) ) ) {
+					if (is_callable(array($order, 'save'))) {
 						$order->save();
 					}
 				}
 
 				// This hook fires when admin manually changes order status to cancel.
-				do_action( 'woocommerce_stripe_process_manual_cancel', $order, $result );
+				do_action('woocommerce_stripe_process_manual_cancel', $order, $result);
 			}
 		}
 	}
@@ -289,21 +289,21 @@ 
 	 * @param string $field
 	 * @return string $error_field
 	 */
-	public function normalize_field( $field ) {
+	public function normalize_field($field) {
 		$checkout_fields = WC()->checkout->get_checkout_fields();
 		$org_str         = array();
 		$replace_str     = array();
 
-		if ( array_key_exists( $field, $checkout_fields['billing'] ) ) {
-			$error_field = __( 'Billing', 'woocommerce-gateway-stripe' ) . ' ' . $checkout_fields['billing'][ $field ]['label'];
-		} elseif ( array_key_exists( $field, $checkout_fields['shipping'] ) ) {
-			$error_field = __( 'Shipping', 'woocommerce-gateway-stripe' ) . ' ' . $checkout_fields['shipping'][ $field ]['label'];
-		} elseif ( array_key_exists( $field, $checkout_fields['order'] ) ) {
-			$error_field = $checkout_fields['order'][ $field ]['label'];
-		} elseif ( array_key_exists( $field, $checkout_fields['account'] ) ) {
-			$error_field = $checkout_fields['account'][ $field ]['label'];
+		if (array_key_exists($field, $checkout_fields['billing'])) {
+			$error_field = __('Billing', 'woocommerce-gateway-stripe') . ' ' . $checkout_fields['billing'][$field]['label'];
+		} elseif (array_key_exists($field, $checkout_fields['shipping'])) {
+			$error_field = __('Shipping', 'woocommerce-gateway-stripe') . ' ' . $checkout_fields['shipping'][$field]['label'];
+		} elseif (array_key_exists($field, $checkout_fields['order'])) {
+			$error_field = $checkout_fields['order'][$field]['label'];
+		} elseif (array_key_exists($field, $checkout_fields['account'])) {
+			$error_field = $checkout_fields['account'][$field]['label'];
 		} else {
-			$error_field = str_replace( '_', ' ', $field );
+			$error_field = str_replace('_', ' ', $field);
 
 			$org_str[]     = 'stripe';
 			$replace_str[] = '';
@@ -318,9 +318,9 @@ 
 			$replace_str[] = 'SOFORT';
 
 			$org_str[]     = 'owner';
-			$replace_str[] = __( 'Owner', 'woocommerce-gateway-stripe' );
+			$replace_str[] = __('Owner', 'woocommerce-gateway-stripe');
 
-			$error_field   = str_replace( $org_str, $replace_str, $error_field );
+			$error_field   = str_replace($org_str, $replace_str, $error_field);
 		}
 
 		return $error_field;
@@ -333,157 +333,157 @@ 
 	 * @version 4.0.0
 	 */
 	public function validate_checkout() {
-		if ( ! wp_verify_nonce( $_POST['nonce'], '_wc_stripe_nonce' ) ) {
-			wp_die( __( 'Cheatin&#8217; huh?', 'woocommerce-gateway-stripe' ) );
+		if ( ! wp_verify_nonce($_POST['nonce'], '_wc_stripe_nonce')) {
+			wp_die(__('Cheatin&#8217; huh?', 'woocommerce-gateway-stripe'));
 		}
 
 		$errors = new WP_Error();
-		parse_str( $_POST['required_fields'], $required_fields );
-		parse_str( $_POST['all_fields'], $all_fields );
-		$source_type = isset( $_POST['source_type'] ) ? wc_clean( $_POST['source_type'] ) : '';
+		parse_str($_POST['required_fields'], $required_fields);
+		parse_str($_POST['all_fields'], $all_fields);
+		$source_type = isset($_POST['source_type']) ? wc_clean($_POST['source_type']) : '';
 		$validate_shipping_fields = false;
 		$create_account = false;
 
-		$all_fields      = apply_filters( 'wc_stripe_validate_checkout_all_fields', $all_fields );
-		$required_fields = apply_filters( 'wc_stripe_validate_checkout_required_fields', $required_fields );
+		$all_fields      = apply_filters('wc_stripe_validate_checkout_all_fields', $all_fields);
+		$required_fields = apply_filters('wc_stripe_validate_checkout_required_fields', $required_fields);
 
-		array_walk_recursive( $required_fields, 'wc_clean' );
-		array_walk_recursive( $all_fields, 'wc_clean' );
+		array_walk_recursive($required_fields, 'wc_clean');
+		array_walk_recursive($all_fields, 'wc_clean');
 
 		// Remove unneeded required fields depending on source type.
-		if ( 'stripe_sepa' !== $source_type ) {
-			unset( $required_fields['stripe_sepa_owner'] );
-			unset( $required_fields['stripe_sepa_iban'] );
+		if ('stripe_sepa' !== $source_type) {
+			unset($required_fields['stripe_sepa_owner']);
+			unset($required_fields['stripe_sepa_iban']);
 		}
 
-		if ( 'stripe_sofort' !== $source_type ) {
-			unset( $required_fields['stripe_sofort_bank_country'] );
+		if ('stripe_sofort' !== $source_type) {
+			unset($required_fields['stripe_sofort_bank_country']);
 		}
 
 		/**
 		 * If ship to different address checkbox is checked then we need
 		 * to validate shipping fields too.
 		 */
-		if ( isset( $all_fields['ship_to_different_address'] ) ) {
+		if (isset($all_fields['ship_to_different_address'])) {
 			$validate_shipping_fields = true;
 		}
 
 		// Check if createaccount is checked.
-		if ( isset( $all_fields['createaccount'] ) ) {
+		if (isset($all_fields['createaccount'])) {
 			$create_account = true;
 		}
 
 		// Check if required fields are empty.
-		foreach ( $required_fields as $field => $field_value ) {
+		foreach ($required_fields as $field => $field_value) {
 			// Check for shipping field.
-			if ( preg_match( '/^shipping_/', $field ) && ! $validate_shipping_fields ) {
+			if (preg_match('/^shipping_/', $field) && ! $validate_shipping_fields) {
 				continue;
 			}
 
 			// Check create account name.
-			if ( 'account_username' === $field && ! $create_account ) {
+			if ('account_username' === $field && ! $create_account) {
 				continue;
 			}
 
 			// Check create account password.
-			if ( 'account_password' === $field && ! $create_account ) {
+			if ('account_password' === $field && ! $create_account) {
 				continue;
 			}
 
 			// Check if is SEPA.
-			if ( 'stripe_sepa' !== $source_type && 'stripe_sepa_owner' === $field ) {
+			if ('stripe_sepa' !== $source_type && 'stripe_sepa_owner' === $field) {
 				continue;
 			}
 
-			if ( 'stripe_sepa' !== $source_type && 'stripe_sepa_iban' === $field ) {
+			if ('stripe_sepa' !== $source_type && 'stripe_sepa_iban' === $field) {
 				$continue;
 			}
 
-			if ( empty( $field_value ) || '-1' === $field_value ) {
-				$error_field = $this->normalize_field( $field );
+			if (empty($field_value) || '-1' === $field_value) {
+				$error_field = $this->normalize_field($field);
 				/* translators: error field name */
-				$errors->add( 'validation', sprintf( __( '<strong>%s</strong> cannot be empty', 'woocommerce-gateway-stripe' ), $error_field ) );
+				$errors->add('validation', sprintf(__('<strong>%s</strong> cannot be empty', 'woocommerce-gateway-stripe'), $error_field));
 			}
 		}
 
 		// Check if email is valid format.
-		if ( ! empty( $required_fields['billing_email'] ) && ! is_email( $required_fields['billing_email'] ) ) {
-			$errors->add( 'validation', __( 'Email is not valid', 'woocommerce-gateway-stripe' ) );
+		if ( ! empty($required_fields['billing_email']) && ! is_email($required_fields['billing_email'])) {
+			$errors->add('validation', __('Email is not valid', 'woocommerce-gateway-stripe'));
 		}
 
 		// Check if phone number is valid format.
-		if ( ! empty( $required_fields['billing_phone'] ) ) {
-			$phone = wc_format_phone_number( $required_fields['billing_phone'] );
+		if ( ! empty($required_fields['billing_phone'])) {
+			$phone = wc_format_phone_number($required_fields['billing_phone']);
 
-			if ( '' !== $phone && ! WC_Validation::is_phone( $phone ) ) {
+			if ('' !== $phone && ! WC_Validation::is_phone($phone)) {
 				/* translators: %s: phone number */
-				$errors->add( 'validation', __( 'Please enter a valid phone number.', 'woocommerce-gateway-stripe' ) );
+				$errors->add('validation', __('Please enter a valid phone number.', 'woocommerce-gateway-stripe'));
 			}
 		}
 
 		// Check if postal code is valid format.
-		if ( ! empty( $required_fields['billing_postcode'] ) ) {
-			$country = isset( $required_fields['billing_country'] ) ? $required_fields['billing_country'] : WC()->customer->get_billing_country();
-			$postcode = wc_format_postcode( $required_fields['billing_postcode'], $country );
+		if ( ! empty($required_fields['billing_postcode'])) {
+			$country = isset($required_fields['billing_country']) ? $required_fields['billing_country'] : WC()->customer->get_billing_country();
+			$postcode = wc_format_postcode($required_fields['billing_postcode'], $country);
 
-			if ( '' !== $required_fields['billing_postcode'] && ! WC_Validation::is_postcode( $postcode, $country ) ) {
-				$errors->add( 'validation', __( 'Please enter a valid billing postcode / ZIP.', 'woocommerce-gateway-stripe' ) );
+			if ('' !== $required_fields['billing_postcode'] && ! WC_Validation::is_postcode($postcode, $country)) {
+				$errors->add('validation', __('Please enter a valid billing postcode / ZIP.', 'woocommerce-gateway-stripe'));
 			}
 		}
 
 		// Don't check this on add payment method page.
-		if ( ( isset( $_POST['is_add_payment_page'] ) && 'no' === $_POST['is_add_payment_page'] ) ) {
-			if ( empty( $all_fields['woocommerce_checkout_update_totals'] ) && empty( $all_fields['terms'] ) && apply_filters( 'woocommerce_checkout_show_terms', wc_get_page_id( 'terms' ) > 0 ) ) {
-				$errors->add( 'terms', __( 'You must accept our Terms &amp; Conditions.', 'woocommerce-gateway-stripe' ) );
+		if ((isset($_POST['is_add_payment_page']) && 'no' === $_POST['is_add_payment_page'])) {
+			if (empty($all_fields['woocommerce_checkout_update_totals']) && empty($all_fields['terms']) && apply_filters('woocommerce_checkout_show_terms', wc_get_page_id('terms') > 0)) {
+				$errors->add('terms', __('You must accept our Terms &amp; Conditions.', 'woocommerce-gateway-stripe'));
 			}
 		}
 
-		if ( WC()->cart->needs_shipping() && $validate_shipping_fields ) {
+		if (WC()->cart->needs_shipping() && $validate_shipping_fields) {
 			// Check if postal code is valid format.
-			if ( ! empty( $required_fields['shipping_postcode'] ) ) {
-				$country = isset( $required_fields['shipping_country'] ) ? $required_fields['shipping_country'] : WC()->customer->get_shipping_country();
-				$postcode = wc_format_postcode( $required_fields['shipping_postcode'], $country );
+			if ( ! empty($required_fields['shipping_postcode'])) {
+				$country = isset($required_fields['shipping_country']) ? $required_fields['shipping_country'] : WC()->customer->get_shipping_country();
+				$postcode = wc_format_postcode($required_fields['shipping_postcode'], $country);
 
-				if ( '' !== $required_fields['shipping_postcode'] && ! WC_Validation::is_postcode( $postcode, $country ) ) {
-					$errors->add( 'validation', __( 'Please enter a valid shipping postcode / ZIP.', 'woocommerce-gateway-stripe' ) );
+				if ('' !== $required_fields['shipping_postcode'] && ! WC_Validation::is_postcode($postcode, $country)) {
+					$errors->add('validation', __('Please enter a valid shipping postcode / ZIP.', 'woocommerce-gateway-stripe'));
 				}
 			}
 		}
 
-		if ( WC()->cart->needs_shipping() ) {
+		if (WC()->cart->needs_shipping()) {
 			$shipping_country = WC()->customer->get_shipping_country();
 
-			if ( empty( $shipping_country ) ) {
-				$errors->add( 'shipping', __( 'Please enter an address to continue.', 'woocommerce-gateway-stripe' ) );
-			} elseif ( ! in_array( WC()->customer->get_shipping_country(), array_keys( WC()->countries->get_shipping_countries() ) ) ) {
+			if (empty($shipping_country)) {
+				$errors->add('shipping', __('Please enter an address to continue.', 'woocommerce-gateway-stripe'));
+			} elseif ( ! in_array(WC()->customer->get_shipping_country(), array_keys(WC()->countries->get_shipping_countries()))) {
 				/* translators: country name */
-				$errors->add( 'shipping', sprintf( __( 'Unfortunately <strong>we do not ship %s</strong>. Please enter an alternative shipping address.', 'woocommerce-gateway-stripe' ), WC()->countries->shipping_to_prefix() . ' ' . WC()->customer->get_shipping_country() ) );
+				$errors->add('shipping', sprintf(__('Unfortunately <strong>we do not ship %s</strong>. Please enter an alternative shipping address.', 'woocommerce-gateway-stripe'), WC()->countries->shipping_to_prefix() . ' ' . WC()->customer->get_shipping_country()));
 			} else {
-				$chosen_shipping_methods = WC()->session->get( 'chosen_shipping_methods' );
+				$chosen_shipping_methods = WC()->session->get('chosen_shipping_methods');
 
-				foreach ( WC()->shipping->get_packages() as $i => $package ) {
-					if ( ! isset( $chosen_shipping_methods[ $i ], $package['rates'][ $chosen_shipping_methods[ $i ] ] ) ) {
-						$errors->add( 'shipping', __( 'No shipping method has been selected. Please double check your address, or contact us if you need any help.', 'woocommerce-gateway-stripe' ) );
+				foreach (WC()->shipping->get_packages() as $i => $package) {
+					if ( ! isset($chosen_shipping_methods[$i], $package['rates'][$chosen_shipping_methods[$i]])) {
+						$errors->add('shipping', __('No shipping method has been selected. Please double check your address, or contact us if you need any help.', 'woocommerce-gateway-stripe'));
 					}
 				}
 			}
 		}
 
-		if ( WC()->cart->needs_payment() ) {
+		if (WC()->cart->needs_payment()) {
 			$available_gateways = WC()->payment_gateways->get_available_payment_gateways();
 
-			if ( ! isset( $available_gateways[ $all_fields['payment_method'] ] ) ) {
-				$errors->add( 'payment', __( 'Invalid payment method.', 'woocommerce-gateway-stripe' ) );
+			if ( ! isset($available_gateways[$all_fields['payment_method']])) {
+				$errors->add('payment', __('Invalid payment method.', 'woocommerce-gateway-stripe'));
 			} else {
-				$available_gateways[ $all_fields['payment_method'] ]->validate_fields();
+				$available_gateways[$all_fields['payment_method']]->validate_fields();
 			}
 		}
 
-		if ( 0 === count( $errors->errors ) ) {
-			wp_send_json( 'success' );
+		if (0 === count($errors->errors)) {
+			wp_send_json('success');
 		} else {
-			foreach ( $errors->get_error_messages() as $message ) {
-				wc_add_notice( $message, 'error' );
+			foreach ($errors->get_error_messages() as $message) {
+				wc_add_notice($message, 'error');
 			}
 
 			$this->send_ajax_failure_response();
@@ -497,9 +497,9 @@ 
 	 * @version 4.0.0
 	 */
 	public function send_ajax_failure_response() {
-		if ( is_ajax() ) {
+		if (is_ajax()) {
 			// only print notices if not reloading the checkout, otherwise they're lost in the page reload.
-			if ( ! isset( WC()->session->reload_checkout ) ) {
+			if ( ! isset(WC()->session->reload_checkout)) {
 				ob_start();
 				wc_print_notices();
 				$messages = ob_get_clean();
@@ -507,14 +507,14 @@ 
 
 			$response = array(
 				'result'   => 'failure',
-				'messages' => isset( $messages ) ? $messages : '',
-				'refresh'  => isset( WC()->session->refresh_totals ),
-				'reload'   => isset( WC()->session->reload_checkout ),
+				'messages' => isset($messages) ? $messages : '',
+				'refresh'  => isset(WC()->session->refresh_totals),
+				'reload'   => isset(WC()->session->reload_checkout),
 			);
 
-			unset( WC()->session->refresh_totals, WC()->session->reload_checkout );
+			unset(WC()->session->refresh_totals, WC()->session->reload_checkout);
 
-			wp_send_json( $response );
+			wp_send_json($response);
 		}
 	}
 }

includes/admin/stripe-settings.php

Spacing +80 added lines, -80 removed lines

@@ -1,207 +1,207 @@
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit;
 }
 
 $webhook_url = WC_Stripe_Helper::get_webhook_url();
 
-return apply_filters( 'wc_stripe_settings',
+return apply_filters('wc_stripe_settings',
 	array(
 		'enabled' => array(
-			'title'       => __( 'Enable/Disable', 'woocommerce-gateway-stripe' ),
-			'label'       => __( 'Enable Stripe', 'woocommerce-gateway-stripe' ),
+			'title'       => __('Enable/Disable', 'woocommerce-gateway-stripe'),
+			'label'       => __('Enable Stripe', 'woocommerce-gateway-stripe'),
 			'type'        => 'checkbox',
 			'description' => '',
 			'default'     => 'no',
 		),
 		'title' => array(
-			'title'       => __( 'Title', 'woocommerce-gateway-stripe' ),
+			'title'       => __('Title', 'woocommerce-gateway-stripe'),
 			'type'        => 'text',
-			'description' => __( 'This controls the title which the user sees during checkout.', 'woocommerce-gateway-stripe' ),
-			'default'     => __( 'Credit Card (Stripe)', 'woocommerce-gateway-stripe' ),
+			'description' => __('This controls the title which the user sees during checkout.', 'woocommerce-gateway-stripe'),
+			'default'     => __('Credit Card (Stripe)', 'woocommerce-gateway-stripe'),
 			'desc_tip'    => true,
 		),
 		'description' => array(
-			'title'       => __( 'Description', 'woocommerce-gateway-stripe' ),
+			'title'       => __('Description', 'woocommerce-gateway-stripe'),
 			'type'        => 'text',
-			'description' => __( 'This controls the description which the user sees during checkout.', 'woocommerce-gateway-stripe' ),
-			'default'     => __( 'Pay with your credit card via Stripe.', 'woocommerce-gateway-stripe' ),
+			'description' => __('This controls the description which the user sees during checkout.', 'woocommerce-gateway-stripe'),
+			'default'     => __('Pay with your credit card via Stripe.', 'woocommerce-gateway-stripe'),
 			'desc_tip'    => true,
 		),
 		'webhook' => array(
-			'title'       => __( 'Webhook Endpoints', 'woocommerce-gateway-stripe' ),
+			'title'       => __('Webhook Endpoints', 'woocommerce-gateway-stripe'),
 			'type'        => 'title',
 			/* translators: webhook URL */
-			'description' => sprintf( __( 'You must add the webhook endpoint <strong style="background-color:#ddd;">&nbsp;&nbsp;%s&nbsp;&nbsp;</strong> to your Stripe Account Settings <a href="https://dashboard.stripe.com/account/webhooks" target="_blank">Here</a> so you can receive notifications on the charge statuses.', 'woocommerce-gateway-stripe' ), $webhook_url ),
+			'description' => sprintf(__('You must add the webhook endpoint <strong style="background-color:#ddd;">&nbsp;&nbsp;%s&nbsp;&nbsp;</strong> to your Stripe Account Settings <a href="https://dashboard.stripe.com/account/webhooks" target="_blank">Here</a> so you can receive notifications on the charge statuses.', 'woocommerce-gateway-stripe'), $webhook_url),
 		),
 		'testmode' => array(
-			'title'       => __( 'Test mode', 'woocommerce-gateway-stripe' ),
-			'label'       => __( 'Enable Test Mode', 'woocommerce-gateway-stripe' ),
+			'title'       => __('Test mode', 'woocommerce-gateway-stripe'),
+			'label'       => __('Enable Test Mode', 'woocommerce-gateway-stripe'),
 			'type'        => 'checkbox',
-			'description' => __( 'Place the payment gateway in test mode using test API keys.', 'woocommerce-gateway-stripe' ),
+			'description' => __('Place the payment gateway in test mode using test API keys.', 'woocommerce-gateway-stripe'),
 			'default'     => 'yes',
 			'desc_tip'    => true,
 		),
 		'test_publishable_key' => array(
-			'title'       => __( 'Test Publishable Key', 'woocommerce-gateway-stripe' ),
+			'title'       => __('Test Publishable Key', 'woocommerce-gateway-stripe'),
 			'type'        => 'password',
-			'description' => __( 'Get your API keys from your stripe account.', 'woocommerce-gateway-stripe' ),
+			'description' => __('Get your API keys from your stripe account.', 'woocommerce-gateway-stripe'),
 			'default'     => '',
 			'desc_tip'    => true,
 		),
 		'test_secret_key' => array(
-			'title'       => __( 'Test Secret Key', 'woocommerce-gateway-stripe' ),
+			'title'       => __('Test Secret Key', 'woocommerce-gateway-stripe'),
 			'type'        => 'password',
-			'description' => __( 'Get your API keys from your stripe account.', 'woocommerce-gateway-stripe' ),
+			'description' => __('Get your API keys from your stripe account.', 'woocommerce-gateway-stripe'),
 			'default'     => '',
 			'desc_tip'    => true,
 		),
 		'publishable_key' => array(
-			'title'       => __( 'Live Publishable Key', 'woocommerce-gateway-stripe' ),
+			'title'       => __('Live Publishable Key', 'woocommerce-gateway-stripe'),
 			'type'        => 'password',
-			'description' => __( 'Get your API keys from your stripe account.', 'woocommerce-gateway-stripe' ),
+			'description' => __('Get your API keys from your stripe account.', 'woocommerce-gateway-stripe'),
 			'default'     => '',
 			'desc_tip'    => true,
 		),
 		'secret_key' => array(
-			'title'       => __( 'Live Secret Key', 'woocommerce-gateway-stripe' ),
+			'title'       => __('Live Secret Key', 'woocommerce-gateway-stripe'),
 			'type'        => 'password',
-			'description' => __( 'Get your API keys from your stripe account.', 'woocommerce-gateway-stripe' ),
+			'description' => __('Get your API keys from your stripe account.', 'woocommerce-gateway-stripe'),
 			'default'     => '',
 			'desc_tip'    => true,
 		),
 		'inline_cc_form' => array(
-			'title'       => __( 'Inline Credit Card Form', 'woocommerce-gateway-stripe' ),
+			'title'       => __('Inline Credit Card Form', 'woocommerce-gateway-stripe'),
 			'type'        => 'checkbox',
-			'description' => __( 'Choose the style you want to show for your credit card form. When unchecked, the credit card form will display separate credit card number field, expiry date field and cvc field.', 'woocommerce-gateway-stripe' ),
+			'description' => __('Choose the style you want to show for your credit card form. When unchecked, the credit card form will display separate credit card number field, expiry date field and cvc field.', 'woocommerce-gateway-stripe'),
 			'default'     => 'no',
 			'desc_tip'    => true,
 		),
 		'statement_descriptor' => array(
-			'title'       => __( 'Statement Descriptor', 'woocommerce-gateway-stripe' ),
+			'title'       => __('Statement Descriptor', 'woocommerce-gateway-stripe'),
 			'type'        => 'text',
-			'description' => __( 'This may be up to 22 characters. The statement description must contain at least one letter, may not include ><"\' characters, and will appear on your customer\'s statement in capital letters.' ),
+			'description' => __('This may be up to 22 characters. The statement description must contain at least one letter, may not include ><"\' characters, and will appear on your customer\'s statement in capital letters.'),
 			'default'     => '',
 			'desc_tip'    => true,
 		),
 		'capture' => array(
-			'title'       => __( 'Capture', 'woocommerce-gateway-stripe' ),
-			'label'       => __( 'Capture charge immediately', 'woocommerce-gateway-stripe' ),
+			'title'       => __('Capture', 'woocommerce-gateway-stripe'),
+			'label'       => __('Capture charge immediately', 'woocommerce-gateway-stripe'),
 			'type'        => 'checkbox',
-			'description' => __( 'Whether or not to immediately capture the charge. When unchecked, the charge issues an authorization and will need to be captured later. Uncaptured charges expire in 7 days.', 'woocommerce-gateway-stripe' ),
+			'description' => __('Whether or not to immediately capture the charge. When unchecked, the charge issues an authorization and will need to be captured later. Uncaptured charges expire in 7 days.', 'woocommerce-gateway-stripe'),
 			'default'     => 'yes',
 			'desc_tip'    => true,
 		),
 		'three_d_secure' => array(
-			'title'       => __( '3D Secure', 'woocommerce-gateway-stripe' ),
-			'label'       => __( 'Require 3D Secure when applicable', 'woocommerce-gateway-stripe' ),
+			'title'       => __('3D Secure', 'woocommerce-gateway-stripe'),
+			'label'       => __('Require 3D Secure when applicable', 'woocommerce-gateway-stripe'),
 			'type'        => 'checkbox',
-			'description' => __( 'Some payment methods have 3D Secure feature. This is an extra security layer for your store. Choose how to handle payments when 3D Secure is optional. Enabling would require customers to use 3D Secure when optional.', 'woocommerce-gateway-stripe' ),
+			'description' => __('Some payment methods have 3D Secure feature. This is an extra security layer for your store. Choose how to handle payments when 3D Secure is optional. Enabling would require customers to use 3D Secure when optional.', 'woocommerce-gateway-stripe'),
 			'default'     => 'no',
 			'desc_tip'    => true,
 		),
 		'stripe_checkout' => array(
-			'title'       => __( 'Stripe Checkout', 'woocommerce-gateway-stripe' ),
-			'label'       => __( 'Enable Stripe Checkout', 'woocommerce-gateway-stripe' ),
+			'title'       => __('Stripe Checkout', 'woocommerce-gateway-stripe'),
+			'label'       => __('Enable Stripe Checkout', 'woocommerce-gateway-stripe'),
 			'type'        => 'checkbox',
-			'description' => __( 'If enabled, this option shows a "pay" button and modal credit card form on the checkout, instead of credit card fields directly on the page.', 'woocommerce-gateway-stripe' ),
+			'description' => __('If enabled, this option shows a "pay" button and modal credit card form on the checkout, instead of credit card fields directly on the page.', 'woocommerce-gateway-stripe'),
 			'default'     => 'no',
 			'desc_tip'    => true,
 		),
 		'stripe_checkout_locale' => array(
-			'title'       => __( 'Stripe Checkout locale', 'woocommerce-gateway-stripe' ),
+			'title'       => __('Stripe Checkout locale', 'woocommerce-gateway-stripe'),
 			'type'        => 'select',
 			'class'       => 'wc-enhanced-select',
-			'description' => __( 'Language to display in Stripe Checkout modal. Specify Auto to display Checkout in the user\'s preferred language, if available. English will be used by default.', 'woocommerce-gateway-stripe' ),
+			'description' => __('Language to display in Stripe Checkout modal. Specify Auto to display Checkout in the user\'s preferred language, if available. English will be used by default.', 'woocommerce-gateway-stripe'),
 			'default'     => 'en',
 			'desc_tip'    => true,
 			'options'     => array(
-				'auto' => __( 'Auto', 'woocommerce-gateway-stripe' ),
-				'zh'   => __( 'Simplified Chinese', 'woocommerce-gateway-stripe' ),
-				'da'   => __( 'Danish', 'woocommerce-gateway-stripe' ),
-				'nl'   => __( 'Dutch', 'woocommerce-gateway-stripe' ),
-				'en'   => __( 'English', 'woocommerce-gateway-stripe' ),
-				'fi'   => __( 'Finnish', 'woocommerce-gateway-stripe' ),
-				'fr'   => __( 'French', 'woocommerce-gateway-stripe' ),
-				'de'   => __( 'German', 'woocommerce-gateway-stripe' ),
-				'it'   => __( 'Italian', 'woocommerce-gateway-stripe' ),
-				'ja'   => __( 'Japanese', 'woocommerce-gateway-stripe' ),
-				'no'   => __( 'Norwegian', 'woocommerce-gateway-stripe' ),
-				'es'   => __( 'Spanish', 'woocommerce-gateway-stripe' ),
-				'sv'   => __( 'Swedish', 'woocommerce-gateway-stripe' ),
+				'auto' => __('Auto', 'woocommerce-gateway-stripe'),
+				'zh'   => __('Simplified Chinese', 'woocommerce-gateway-stripe'),
+				'da'   => __('Danish', 'woocommerce-gateway-stripe'),
+				'nl'   => __('Dutch', 'woocommerce-gateway-stripe'),
+				'en'   => __('English', 'woocommerce-gateway-stripe'),
+				'fi'   => __('Finnish', 'woocommerce-gateway-stripe'),
+				'fr'   => __('French', 'woocommerce-gateway-stripe'),
+				'de'   => __('German', 'woocommerce-gateway-stripe'),
+				'it'   => __('Italian', 'woocommerce-gateway-stripe'),
+				'ja'   => __('Japanese', 'woocommerce-gateway-stripe'),
+				'no'   => __('Norwegian', 'woocommerce-gateway-stripe'),
+				'es'   => __('Spanish', 'woocommerce-gateway-stripe'),
+				'sv'   => __('Swedish', 'woocommerce-gateway-stripe'),
 			),
 		),
 		'stripe_bitcoin' => array(
-			'title'       => __( 'Bitcoin Currency', 'woocommerce-gateway-stripe' ),
-			'label'       => __( 'Enable Bitcoin Currency', 'woocommerce-gateway-stripe' ),
+			'title'       => __('Bitcoin Currency', 'woocommerce-gateway-stripe'),
+			'label'       => __('Enable Bitcoin Currency', 'woocommerce-gateway-stripe'),
 			'type'        => 'checkbox',
-			'description' => __( 'If enabled, an option to accept bitcoin will show on the checkout modal. Note: Stripe Checkout needs to be enabled and store currency must be set to USD.', 'woocommerce-gateway-stripe' ),
+			'description' => __('If enabled, an option to accept bitcoin will show on the checkout modal. Note: Stripe Checkout needs to be enabled and store currency must be set to USD.', 'woocommerce-gateway-stripe'),
 			'default'     => 'no',
 			'desc_tip'    => true,
 		),
 		'stripe_checkout_image' => array(
-			'title'       => __( 'Stripe Checkout Image', 'woocommerce-gateway-stripe' ),
-			'description' => __( 'Optionally enter the URL to a 128x128px image of your brand or product. e.g. <code>https://yoursite.com/wp-content/uploads/2013/09/yourimage.jpg</code>', 'woocommerce-gateway-stripe' ),
+			'title'       => __('Stripe Checkout Image', 'woocommerce-gateway-stripe'),
+			'description' => __('Optionally enter the URL to a 128x128px image of your brand or product. e.g. <code>https://yoursite.com/wp-content/uploads/2013/09/yourimage.jpg</code>', 'woocommerce-gateway-stripe'),
 			'type'        => 'text',
 			'default'     => '',
 			'desc_tip'    => true,
 		),
 		'payment_request' => array(
-			'title'       => __( 'Payment Request Buttons', 'woocommerce-gateway-stripe' ),
+			'title'       => __('Payment Request Buttons', 'woocommerce-gateway-stripe'),
 			/* translators: 1) br tag 2) opening anchor tag 3) closing anchor tag */
-			'label'       => sprintf( __( 'Enable Payment Request Buttons. (Apple Pay/Chrome Payment Request API) %1$sBy using Apple Pay, you agree to %2$s and %3$s\'s terms of service.', 'woocommerce-gateway-stripe' ), '<br />', '<a href="https://stripe.com/apple-pay/legal" target="_blank">Stripe</a>', '<a href="https://developer.apple.com/apple-pay/acceptable-use-guidelines-for-websites/" target="_blank">Apple</a>' ),
+			'label'       => sprintf(__('Enable Payment Request Buttons. (Apple Pay/Chrome Payment Request API) %1$sBy using Apple Pay, you agree to %2$s and %3$s\'s terms of service.', 'woocommerce-gateway-stripe'), '<br />', '<a href="https://stripe.com/apple-pay/legal" target="_blank">Stripe</a>', '<a href="https://developer.apple.com/apple-pay/acceptable-use-guidelines-for-websites/" target="_blank">Apple</a>'),
 			'type'        => 'checkbox',
-			'description' => __( 'If enabled, users will be able to pay using Apple Pay or Chrome Payment Request if supported by the browser.', 'woocommerce-gateway-stripe' ),
+			'description' => __('If enabled, users will be able to pay using Apple Pay or Chrome Payment Request if supported by the browser.', 'woocommerce-gateway-stripe'),
 			'default'     => 'yes',
 			'desc_tip'    => true,
 		),
 		'payment_request_button_type' => array(
-			'title'       => __( 'Payment Request Button Type', 'woocommerce-gateway-stripe' ),
-			'label'       => __( 'Button Type', 'woocommerce-gateway-stripe' ),
+			'title'       => __('Payment Request Button Type', 'woocommerce-gateway-stripe'),
+			'label'       => __('Button Type', 'woocommerce-gateway-stripe'),
 			'type'        => 'select',
-			'description' => __( 'Select the button type you would like to show.', 'woocommerce-gateway-stripe' ),
+			'description' => __('Select the button type you would like to show.', 'woocommerce-gateway-stripe'),
 			'default'     => 'buy',
 			'desc_tip'    => true,
 			'options'     => array(
-				'default' => __( 'Default', 'woocommerce-gateway-stripe' ),
-				'buy'     => __( 'Buy', 'woocommerce-gateway-stripe' ),
-				'donate'  => __( 'Donate', 'woocommerce-gateway-stripe' ),
+				'default' => __('Default', 'woocommerce-gateway-stripe'),
+				'buy'     => __('Buy', 'woocommerce-gateway-stripe'),
+				'donate'  => __('Donate', 'woocommerce-gateway-stripe'),
 			),
 		),
 		'payment_request_button_theme' => array(
-			'title'       => __( 'Payment Request Button Theme', 'woocommerce-gateway-stripe' ),
-			'label'       => __( 'Button Theme', 'woocommerce-gateway-stripe' ),
+			'title'       => __('Payment Request Button Theme', 'woocommerce-gateway-stripe'),
+			'label'       => __('Button Theme', 'woocommerce-gateway-stripe'),
 			'type'        => 'select',
-			'description' => __( 'Select the button theme you would like to show.', 'woocommerce-gateway-stripe' ),
+			'description' => __('Select the button theme you would like to show.', 'woocommerce-gateway-stripe'),
 			'default'     => 'dark',
 			'desc_tip'    => true,
 			'options'     => array(
-				'dark'          => __( 'Dark', 'woocommerce-gateway-stripe' ),
-				'light'         => __( 'Light', 'woocommerce-gateway-stripe' ),
-				'light-outline' => __( 'Light-Outline', 'woocommerce-gateway-stripe' ),
+				'dark'          => __('Dark', 'woocommerce-gateway-stripe'),
+				'light'         => __('Light', 'woocommerce-gateway-stripe'),
+				'light-outline' => __('Light-Outline', 'woocommerce-gateway-stripe'),
 			),
 		),
 		'payment_request_button_height' => array(
-			'title'       => __( 'Payment Request Button Height', 'woocommerce-gateway-stripe' ),
-			'label'       => __( 'Button Height', 'woocommerce-gateway-stripe' ),
+			'title'       => __('Payment Request Button Height', 'woocommerce-gateway-stripe'),
+			'label'       => __('Button Height', 'woocommerce-gateway-stripe'),
 			'type'        => 'text',
-			'description' => __( 'Enter the height you would like the button to be in pixels. Width will always be 100%.', 'woocommerce-gateway-stripe' ),
+			'description' => __('Enter the height you would like the button to be in pixels. Width will always be 100%.', 'woocommerce-gateway-stripe'),
 			'default'     => '44',
 			'desc_tip'    => true,
 		),
 		'saved_cards' => array(
-			'title'       => __( 'Saved Cards', 'woocommerce-gateway-stripe' ),
-			'label'       => __( 'Enable Payment via Saved Cards', 'woocommerce-gateway-stripe' ),
+			'title'       => __('Saved Cards', 'woocommerce-gateway-stripe'),
+			'label'       => __('Enable Payment via Saved Cards', 'woocommerce-gateway-stripe'),
 			'type'        => 'checkbox',
-			'description' => __( 'If enabled, users will be able to pay with a saved card during checkout. Card details are saved on Stripe servers, not on your store.', 'woocommerce-gateway-stripe' ),
+			'description' => __('If enabled, users will be able to pay with a saved card during checkout. Card details are saved on Stripe servers, not on your store.', 'woocommerce-gateway-stripe'),
 			'default'     => 'no',
 			'desc_tip'    => true,
 		),
 		'logging' => array(
-			'title'       => __( 'Logging', 'woocommerce-gateway-stripe' ),
-			'label'       => __( 'Log debug messages', 'woocommerce-gateway-stripe' ),
+			'title'       => __('Logging', 'woocommerce-gateway-stripe'),
+			'label'       => __('Log debug messages', 'woocommerce-gateway-stripe'),
 			'type'        => 'checkbox',
-			'description' => __( 'Save debug messages to the WooCommerce System Status log.', 'woocommerce-gateway-stripe' ),
+			'description' => __('Save debug messages to the WooCommerce System Status log.', 'woocommerce-gateway-stripe'),
 			'default'     => 'no',
 			'desc_tip'    => true,
 		),

includes/payment-methods/class-wc-gateway-stripe-sepa.php

Spacing +98 added lines, -98 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit;
 }
 
@@ -57,9 +57,9 @@ 
 	 */
 	public function __construct() {
 		$this->id                   = 'stripe_sepa';
-		$this->method_title         = __( 'Stripe SEPA Direct Debit', 'woocommerce-gateway-stripe' );
+		$this->method_title         = __('Stripe SEPA Direct Debit', 'woocommerce-gateway-stripe');
 		/* translators: link */
-		$this->method_description   = sprintf( __( 'All other general Stripe settings can be adjusted <a href="%s">here</a>.', 'woocommerce-gateway-stripe' ), admin_url( 'admin.php?page=wc-settings&tab=checkout&section=stripe' ) );
+		$this->method_description   = sprintf(__('All other general Stripe settings can be adjusted <a href="%s">here</a>.', 'woocommerce-gateway-stripe'), admin_url('admin.php?page=wc-settings&tab=checkout&section=stripe'));
 		$this->supports             = array(
 			'products',
 			'refunds',
@@ -84,25 +84,25 @@ 
 		// Load the settings.
 		$this->init_settings();
 
-		$main_settings              = get_option( 'woocommerce_stripe_settings' );
-		$this->title                = $this->get_option( 'title' );
-		$this->description          = $this->get_option( 'description' );
-		$this->enabled              = $this->get_option( 'enabled' );
-		$this->testmode             = ( ! empty( $main_settings['testmode'] ) && 'yes' === $main_settings['testmode'] ) ? true : false;
-		$this->saved_cards          = ( ! empty( $main_settings['saved_cards'] ) && 'yes' === $main_settings['saved_cards'] ) ? true : false;
-		$this->publishable_key      = ! empty( $main_settings['publishable_key'] ) ? $main_settings['publishable_key'] : '';
-		$this->secret_key           = ! empty( $main_settings['secret_key'] ) ? $main_settings['secret_key'] : '';
-		$this->statement_descriptor = ! empty( $main_settings['statement_descriptor'] ) ? $main_settings['statement_descriptor'] : '';
-
-		if ( $this->testmode ) {
-			$this->publishable_key = ! empty( $main_settings['test_publishable_key'] ) ? $main_settings['test_publishable_key'] : '';
-			$this->secret_key      = ! empty( $main_settings['test_secret_key'] ) ? $main_settings['test_secret_key'] : '';
+		$main_settings              = get_option('woocommerce_stripe_settings');
+		$this->title                = $this->get_option('title');
+		$this->description          = $this->get_option('description');
+		$this->enabled              = $this->get_option('enabled');
+		$this->testmode             = ( ! empty($main_settings['testmode']) && 'yes' === $main_settings['testmode']) ? true : false;
+		$this->saved_cards          = ( ! empty($main_settings['saved_cards']) && 'yes' === $main_settings['saved_cards']) ? true : false;
+		$this->publishable_key      = ! empty($main_settings['publishable_key']) ? $main_settings['publishable_key'] : '';
+		$this->secret_key           = ! empty($main_settings['secret_key']) ? $main_settings['secret_key'] : '';
+		$this->statement_descriptor = ! empty($main_settings['statement_descriptor']) ? $main_settings['statement_descriptor'] : '';
+
+		if ($this->testmode) {
+			$this->publishable_key = ! empty($main_settings['test_publishable_key']) ? $main_settings['test_publishable_key'] : '';
+			$this->secret_key      = ! empty($main_settings['test_secret_key']) ? $main_settings['test_secret_key'] : '';
 		}
 
-		add_action( 'woocommerce_update_options_payment_gateways_' . $this->id, array( $this, 'process_admin_options' ) );
-		add_action( 'admin_notices', array( $this, 'check_environment' ) );
-		add_action( 'admin_head', array( $this, 'remove_admin_notice' ) );
-		add_action( 'wp_enqueue_scripts', array( $this, 'payment_scripts' ) );
+		add_action('woocommerce_update_options_payment_gateways_' . $this->id, array($this, 'process_admin_options'));
+		add_action('admin_notices', array($this, 'check_environment'));
+		add_action('admin_head', array($this, 'remove_admin_notice'));
+		add_action('wp_enqueue_scripts', array($this, 'payment_scripts'));
 	}
 
 	/**
@@ -112,19 +112,19 @@ 
 	 * @version 4.0.0
 	 */
 	public function check_environment() {
-		if ( ! current_user_can( 'manage_woocommerce' ) ) {
+		if ( ! current_user_can('manage_woocommerce')) {
 			return;
 		}
 
 		$environment_warning = $this->get_environment_warning();
 
-		if ( $environment_warning ) {
-			$this->add_admin_notice( 'bad_environment', 'error', $environment_warning );
+		if ($environment_warning) {
+			$this->add_admin_notice('bad_environment', 'error', $environment_warning);
 		}
 
-		foreach ( (array) $this->notices as $notice_key => $notice ) {
-			echo "<div class='" . esc_attr( $notice['class'] ) . "'><p>";
-			echo wp_kses( $notice['message'], array( 'a' => array( 'href' => array() ) ) );
+		foreach ((array) $this->notices as $notice_key => $notice) {
+			echo "<div class='" . esc_attr($notice['class']) . "'><p>";
+			echo wp_kses($notice['message'], array('a' => array('href' => array())));
 			echo '</p></div>';
 		}
 	}
@@ -137,8 +137,8 @@ 
 	 * @version 4.0.0
 	 */
 	public function get_environment_warning() {
-		if ( 'yes' === $this->enabled && ! in_array( get_woocommerce_currency(), $this->get_supported_currency() ) ) {
-			$message = __( 'SEPA is enabled - it requires store currency to be set to Euros.', 'woocommerce-gateway-stripe' );
+		if ('yes' === $this->enabled && ! in_array(get_woocommerce_currency(), $this->get_supported_currency())) {
+			$message = __('SEPA is enabled - it requires store currency to be set to Euros.', 'woocommerce-gateway-stripe');
 
 			return $message;
 		}
@@ -154,9 +154,9 @@ 
 	 * @return array
 	 */
 	public function get_supported_currency() {
-		return apply_filters( 'wc_stripe_sepa_supported_currencies', array(
+		return apply_filters('wc_stripe_sepa_supported_currencies', array(
 			'EUR',
-		) );
+		));
 	}
 
 	/**
@@ -167,11 +167,11 @@ 
 	 * @return bool
 	 */
 	public function is_available() {
-		if ( ! in_array( get_woocommerce_currency(), $this->get_supported_currency() ) ) {
+		if ( ! in_array(get_woocommerce_currency(), $this->get_supported_currency())) {
 			return false;
 		}
 
-		if ( is_add_payment_method_page() && ! $this->saved_cards ) {
+		if (is_add_payment_method_page() && ! $this->saved_cards) {
 			return false;
 		}
 
@@ -192,7 +192,7 @@ 
 
 		$icons_str .= $icons['sepa'];
 
-		return apply_filters( 'woocommerce_gateway_icon', $icons_str, $this->id );
+		return apply_filters('woocommerce_gateway_icon', $icons_str, $this->id);
 	}
 
 	/**
@@ -203,19 +203,19 @@ 
 	 * @access public
 	 */
 	public function payment_scripts() {
-		if ( ! is_cart() && ! is_checkout() && ! isset( $_GET['pay_for_order'] ) && ! is_add_payment_method_page() ) {
+		if ( ! is_cart() && ! is_checkout() && ! isset($_GET['pay_for_order']) && ! is_add_payment_method_page()) {
 			return;
 		}
 
-		wp_enqueue_style( 'stripe_paymentfonts' );
-		wp_enqueue_script( 'woocommerce_stripe' );
+		wp_enqueue_style('stripe_paymentfonts');
+		wp_enqueue_script('woocommerce_stripe');
 	}
 
 	/**
 	 * Initialize Gateway Settings Form Fields.
 	 */
 	public function init_form_fields() {
-		$this->form_fields = require( WC_STRIPE_PLUGIN_PATH . '/includes/admin/stripe-sepa-settings.php' );
+		$this->form_fields = require(WC_STRIPE_PLUGIN_PATH . '/includes/admin/stripe-sepa-settings.php');
 	}
 
 	/**
@@ -227,7 +227,7 @@ 
 	 */
 	public function mandate_display() {
 		/* translators: statement descriptor */
-		printf( __( 'By providing your IBAN and confirming this payment, you are authorizing %s and Stripe, our payment service provider, to send instructions to your bank to debit your account and your bank to debit your account in accordance with those instructions. You are entitled to a refund from your bank under the terms and conditions of your agreement with your bank. A refund must be claimed within 8 weeks starting from the date on which your account was debited.', 'woocommerce-gateway-stripe' ), WC_Stripe_Helper::clean_statement_descriptor( $this->statement_descriptor ) );
+		printf(__('By providing your IBAN and confirming this payment, you are authorizing %s and Stripe, our payment service provider, to send instructions to your bank to debit your account and your bank to debit your account in accordance with those instructions. You are entitled to a refund from your bank under the terms and conditions of your agreement with your bank. A refund must be claimed within 8 weeks starting from the date on which your account was debited.', 'woocommerce-gateway-stripe'), WC_Stripe_Helper::clean_statement_descriptor($this->statement_descriptor));
 	}
 
 	/**
@@ -238,24 +238,24 @@ 
 	 */
 	public function form() {
 		?>
-		<fieldset id="wc-<?php echo esc_attr( $this->id ); ?>-form" class="wc-payment-form">
-			<?php do_action( 'woocommerce_credit_card_form_start', $this->id ); ?>
+		<fieldset id="wc-<?php echo esc_attr($this->id); ?>-form" class="wc-payment-form">
+			<?php do_action('woocommerce_credit_card_form_start', $this->id); ?>
 			<p class="wc-stripe-sepa-mandate" style="margin-bottom:40px;"><?php $this->mandate_display(); ?></p>
 			<p class="form-row form-row-wide validate-required">
 				<label for="stripe-sepa-owner">
-					<?php esc_html_e( 'IBAN Account Name.', 'woocommerce-gateway-stripe' ); ?>
+					<?php esc_html_e('IBAN Account Name.', 'woocommerce-gateway-stripe'); ?>
 				</label>
 				<input id="stripe-sepa-owner" name="stripe_sepa_owner" value="" style="border:1px solid #ddd;margin:5px 0;padding:10px 5px;background-color:#fff;outline:0;" />
 			</p>
 			<p class="form-row form-row-wide validate-required">
 				<label for="stripe-sepa-iban">
-					<?php esc_html_e( 'IBAN Account Number.', 'woocommerce-gateway-stripe' ); ?>
+					<?php esc_html_e('IBAN Account Number.', 'woocommerce-gateway-stripe'); ?>
 				</label>
 				<input id="stripe-sepa-iban" name="stripe_sepa_iban" value="" style="border:1px solid #ddd;margin:5px 0;padding:10px 5px;background-color:#fff;outline:0;" />
 			</p>
 			<!-- Used to display form errors -->
 			<div class="stripe-source-errors" role="alert"></div>
-			<?php do_action( 'woocommerce_credit_card_form_end', $this->id ); ?>
+			<?php do_action('woocommerce_credit_card_form_end', $this->id); ?>
 			<div class="clear"></div>
 		</fieldset>
 		<?php
@@ -267,42 +267,42 @@ 
 	public function payment_fields() {
 		$user                 = wp_get_current_user();
 		$total                = WC()->cart->total;
-		$display_tokenization = $this->supports( 'tokenization' ) && is_checkout() && $this->saved_cards;
+		$display_tokenization = $this->supports('tokenization') && is_checkout() && $this->saved_cards;
 
 		// If paying from order, we need to get total from order not cart.
-		if ( isset( $_GET['pay_for_order'] ) && ! empty( $_GET['key'] ) ) {
-			$order = wc_get_order( wc_get_order_id_by_order_key( wc_clean( $_GET['key'] ) ) );
+		if (isset($_GET['pay_for_order']) && ! empty($_GET['key'])) {
+			$order = wc_get_order(wc_get_order_id_by_order_key(wc_clean($_GET['key'])));
 			$total = $order->get_total();
 		}
 
-		if ( is_add_payment_method_page() ) {
-			$pay_button_text = __( 'Add Payment', 'woocommerce-gateway-stripe' );
-			$total        = '';
+		if (is_add_payment_method_page()) {
+			$pay_button_text = __('Add Payment', 'woocommerce-gateway-stripe');
+			$total = '';
 		} else {
 			$pay_button_text = '';
 		}
 
 		echo '<div
 			id="stripe-sepa_debit-payment-data"
-			data-amount="' . esc_attr( WC_Stripe_Helper::get_stripe_amount( $total ) ) . '"
-			data-currency="' . esc_attr( strtolower( get_woocommerce_currency() ) ) . '">';
+			data-amount="' . esc_attr(WC_Stripe_Helper::get_stripe_amount($total)) . '"
+			data-currency="' . esc_attr(strtolower(get_woocommerce_currency())) . '">';
 
-		if ( $this->description ) {
-			if ( $this->testmode ) {
-				$this->description .= ' ' . __( 'TEST MODE ENABLED. In test mode, you can use IBAN number DE89370400440532013000.', 'woocommerce-gateway-stripe' );
-				$this->description  = trim( $this->description );
+		if ($this->description) {
+			if ($this->testmode) {
+				$this->description .= ' ' . __('TEST MODE ENABLED. In test mode, you can use IBAN number DE89370400440532013000.', 'woocommerce-gateway-stripe');
+				$this->description  = trim($this->description);
 			}
-			echo apply_filters( 'wc_stripe_description', wpautop( wp_kses_post( $this->description ) ) );
+			echo apply_filters('wc_stripe_description', wpautop(wp_kses_post($this->description)));
 		}
 
-		if ( $display_tokenization ) {
+		if ($display_tokenization) {
 			$this->tokenization_script();
 			$this->saved_payment_methods();
 		}
 
 		$this->form();
 
-		if ( apply_filters( 'wc_stripe_display_save_payment_method_checkbox', $display_tokenization ) && ! is_add_payment_method_page() && ! isset( $_GET['change_payment_method'] ) ) {
+		if (apply_filters('wc_stripe_display_save_payment_method_checkbox', $display_tokenization) && ! is_add_payment_method_page() && ! isset($_GET['change_payment_method'])) {
 			$this->save_payment_method_checkbox();
 		}
 
@@ -320,80 +320,80 @@ 
 	 *
 	 * @return array|void
 	 */
-	public function process_payment( $order_id, $retry = true, $force_save_source = false ) {
+	public function process_payment($order_id, $retry = true, $force_save_source = false) {
 		try {
-			$order = wc_get_order( $order_id );
+			$order = wc_get_order($order_id);
 
 			// This comes from the create account checkbox in the checkout page.
-			$create_account = ! empty( $_POST['createaccount'] ) ? true : false;
+			$create_account = ! empty($_POST['createaccount']) ? true : false;
 
-			if ( $create_account ) {
+			if ($create_account) {
 				$new_customer_id     = WC_Stripe_Helper::is_pre_30() ? $order->customer_user : $order->get_customer_id();
-				$new_stripe_customer = new WC_Stripe_Customer( $new_customer_id );
+				$new_stripe_customer = new WC_Stripe_Customer($new_customer_id);
 				$new_stripe_customer->create_customer();
 			}
 
-			$prepared_source = $this->prepare_source( $this->create_source_object(), get_current_user_id(), $force_save_source );
+			$prepared_source = $this->prepare_source($this->create_source_object(), get_current_user_id(), $force_save_source);
 
 			// Store source to order meta.
-			$this->save_source( $order, $prepared_source );
+			$this->save_source($order, $prepared_source);
 
 			// Result from Stripe API request.
 			$response = null;
 
-			if ( $order->get_total() > 0 ) {
+			if ($order->get_total() > 0) {
 				// This will throw exception if not valid.
-				$this->validate_minimum_order_amount( $order );
+				$this->validate_minimum_order_amount($order);
 
-				WC_Stripe_Logger::log( "Info: Begin processing payment for order $order_id for the amount of {$order->get_total()}" );
+				WC_Stripe_Logger::log("Info: Begin processing payment for order $order_id for the amount of {$order->get_total()}");
 
 				// Make the request.
-				$response = WC_Stripe_API::request( $this->generate_payment_request( $order, $prepared_source ) );
+				$response = WC_Stripe_API::request($this->generate_payment_request($order, $prepared_source));
 
-				if ( ! empty( $response->error ) ) {
+				if ( ! empty($response->error)) {
 					// If it is an API error such connection or server, let's retry.
-					if ( 'api_connection_error' === $response->error->type || 'api_error' === $response->error->type ) {
-						if ( $retry ) {
-							sleep( 5 );
-							return $this->process_payment( $order_id, false, $force_save_source );
+					if ('api_connection_error' === $response->error->type || 'api_error' === $response->error->type) {
+						if ($retry) {
+							sleep(5);
+							return $this->process_payment($order_id, false, $force_save_source);
 						} else {
 							$localized_message = 'API connection error and retries exhausted.';
-							$order->add_order_note( $localized_message );
-							throw new WC_Stripe_Exception( print_r( $response, true ), $localized_message );
+							$order->add_order_note($localized_message);
+							throw new WC_Stripe_Exception(print_r($response, true), $localized_message);
 						}
 					}
 
 					// Customer param wrong? The user may have been deleted on stripe's end. Remove customer_id. Can be retried without.
-					if ( preg_match( '/No such customer/i', $response->error->message ) && $retry ) {
-						delete_user_meta( WC_Stripe_Helper::is_pre_30() ? $order->customer_user : $order->get_customer_id(), '_stripe_customer_id' );
+					if (preg_match('/No such customer/i', $response->error->message) && $retry) {
+						delete_user_meta(WC_Stripe_Helper::is_pre_30() ? $order->customer_user : $order->get_customer_id(), '_stripe_customer_id');
 
-						return $this->process_payment( $order_id, false, $force_save_source );
-					} elseif ( preg_match( '/No such token/i', $response->error->message ) && $prepared_source->token_id ) {
+						return $this->process_payment($order_id, false, $force_save_source);
+					} elseif (preg_match('/No such token/i', $response->error->message) && $prepared_source->token_id) {
 						// Source param wrong? The CARD may have been deleted on stripe's end. Remove token and show message.
-						$wc_token = WC_Payment_Tokens::get( $prepared_source->token_id );
+						$wc_token = WC_Payment_Tokens::get($prepared_source->token_id);
 						$wc_token->delete();
-						$localized_message = __( 'This card is no longer available and has been removed.', 'woocommerce-gateway-stripe' );
-						$order->add_order_note( $localized_message );
-						throw new WC_Stripe_Exception( print_r( $response, true ), $localized_message );
+						$localized_message = __('This card is no longer available and has been removed.', 'woocommerce-gateway-stripe');
+						$order->add_order_note($localized_message);
+						throw new WC_Stripe_Exception(print_r($response, true), $localized_message);
 					}
 
 					$localized_messages = WC_Stripe_Helper::get_localized_messages();
 
-					if ( 'card_error' === $response->error->type ) {
-						$localized_message = isset( $localized_messages[ $response->error->code ] ) ? $localized_messages[ $response->error->code ] : $response->error->message;
+					if ('card_error' === $response->error->type) {
+						$localized_message = isset($localized_messages[$response->error->code]) ? $localized_messages[$response->error->code] : $response->error->message;
 					} else {
-						$localized_message = isset( $localized_messages[ $response->error->type ] ) ? $localized_messages[ $response->error->type ] : $response->error->message;
+						$localized_message = isset($localized_messages[$response->error->type]) ? $localized_messages[$response->error->type] : $response->error->message;
 					}
 
-					$order->add_order_note( $localized_message );
+					$order->add_order_note($localized_message);
 
-					throw new WC_Stripe_Exception( print_r( $response, true ), $localized_message );
+					throw new WC_Stripe_Exception(print_r($response, true), $localized_message);
 				}
 
-				do_action( 'wc_gateway_stripe_process_payment', $response, $order );
+				do_action('wc_gateway_stripe_process_payment', $response, $order);
 
 				// Process valid response.
-				$this->process_response( $response, $order );
+				$this->process_response($response, $order);
 			} else {
 				$order->payment_complete();
 			}
@@ -404,17 +404,17 @@ 
 			// Return thank you page redirect.
 			return array(
 				'result'   => 'success',
-				'redirect' => $this->get_return_url( $order ),
+				'redirect' => $this->get_return_url($order),
 			);
 
-		} catch ( WC_Stripe_Exception $e ) {
-			wc_add_notice( $e->getLocalizedMessage(), 'error' );
-			WC_Stripe_Logger::log( 'Error: ' . $e->getMessage() );
+		} catch (WC_Stripe_Exception $e) {
+			wc_add_notice($e->getLocalizedMessage(), 'error');
+			WC_Stripe_Logger::log('Error: ' . $e->getMessage());
 
-			do_action( 'wc_gateway_stripe_process_payment_error', $e, $order );
+			do_action('wc_gateway_stripe_process_payment_error', $e, $order);
 
-			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 array(

includes/payment-methods/class-wc-gateway-stripe-bitcoin.php

Spacing +87 added lines, -87 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit;
 }
 
@@ -64,9 +64,9 @@ 
 	 */
 	public function __construct() {
 		$this->id                   = 'stripe_bitcoin';
-		$this->method_title         = __( 'Stripe Bitcoin', 'woocommerce-gateway-stripe' );
+		$this->method_title         = __('Stripe Bitcoin', 'woocommerce-gateway-stripe');
 		/* translators: link */
-		$this->method_description   = sprintf( __( 'All other general Stripe settings can be adjusted <a href="%s">here</a>.', 'woocommerce-gateway-stripe' ), admin_url( 'admin.php?page=wc-settings&tab=checkout&section=stripe' ) );
+		$this->method_description   = sprintf(__('All other general Stripe settings can be adjusted <a href="%s">here</a>.', 'woocommerce-gateway-stripe'), admin_url('admin.php?page=wc-settings&tab=checkout&section=stripe'));
 		$this->supports             = array(
 			'products',
 			'refunds',
@@ -78,29 +78,29 @@ 
 		// Load the settings.
 		$this->init_settings();
 
-		$main_settings              = get_option( 'woocommerce_stripe_settings' );
-		$this->title                = $this->get_option( 'title' );
-		$this->description          = $this->get_option( 'description' );
-		$this->enabled              = $this->get_option( 'enabled' );
-		$this->testmode             = ( ! empty( $main_settings['testmode'] ) && 'yes' === $main_settings['testmode'] ) ? true : false;
-		$this->saved_cards          = ( ! empty( $main_settings['saved_cards'] ) && 'yes' === $main_settings['saved_cards'] ) ? true : false;
-		$this->publishable_key      = ! empty( $main_settings['publishable_key'] ) ? $main_settings['publishable_key'] : '';
-		$this->secret_key           = ! empty( $main_settings['secret_key'] ) ? $main_settings['secret_key'] : '';
-		$this->statement_descriptor = ! empty( $main_settings['statement_descriptor'] ) ? $main_settings['statement_descriptor'] : '';
-
-		if ( $this->testmode ) {
-			$this->publishable_key = ! empty( $main_settings['test_publishable_key'] ) ? $main_settings['test_publishable_key'] : '';
-			$this->secret_key      = ! empty( $main_settings['test_secret_key'] ) ? $main_settings['test_secret_key'] : '';
+		$main_settings              = get_option('woocommerce_stripe_settings');
+		$this->title                = $this->get_option('title');
+		$this->description          = $this->get_option('description');
+		$this->enabled              = $this->get_option('enabled');
+		$this->testmode             = ( ! empty($main_settings['testmode']) && 'yes' === $main_settings['testmode']) ? true : false;
+		$this->saved_cards          = ( ! empty($main_settings['saved_cards']) && 'yes' === $main_settings['saved_cards']) ? true : false;
+		$this->publishable_key      = ! empty($main_settings['publishable_key']) ? $main_settings['publishable_key'] : '';
+		$this->secret_key           = ! empty($main_settings['secret_key']) ? $main_settings['secret_key'] : '';
+		$this->statement_descriptor = ! empty($main_settings['statement_descriptor']) ? $main_settings['statement_descriptor'] : '';
+
+		if ($this->testmode) {
+			$this->publishable_key = ! empty($main_settings['test_publishable_key']) ? $main_settings['test_publishable_key'] : '';
+			$this->secret_key      = ! empty($main_settings['test_secret_key']) ? $main_settings['test_secret_key'] : '';
 		}
 
-		add_action( 'woocommerce_update_options_payment_gateways_' . $this->id, array( $this, 'process_admin_options' ) );
-		add_action( 'admin_notices', array( $this, 'check_environment' ) );
-		add_action( 'admin_head', array( $this, 'remove_admin_notice' ) );
-		add_action( 'wp_enqueue_scripts', array( $this, 'payment_scripts' ) );
-		add_action( 'woocommerce_thankyou_stripe_bitcoin', array( $this, 'thankyou_page' ) );
+		add_action('woocommerce_update_options_payment_gateways_' . $this->id, array($this, 'process_admin_options'));
+		add_action('admin_notices', array($this, 'check_environment'));
+		add_action('admin_head', array($this, 'remove_admin_notice'));
+		add_action('wp_enqueue_scripts', array($this, 'payment_scripts'));
+		add_action('woocommerce_thankyou_stripe_bitcoin', array($this, 'thankyou_page'));
 
 		// Customer Emails
-		add_action( 'woocommerce_email_before_order_table', array( $this, 'email_instructions' ), 10, 3 );
+		add_action('woocommerce_email_before_order_table', array($this, 'email_instructions'), 10, 3);
 	}
 
 	/**
@@ -110,19 +110,19 @@ 
 	 * @version 4.0.0
 	 */
 	public function check_environment() {
-		if ( ! current_user_can( 'manage_woocommerce' ) ) {
+		if ( ! current_user_can('manage_woocommerce')) {
 			return;
 		}
 
 		$environment_warning = $this->get_environment_warning();
 
-		if ( $environment_warning ) {
-			$this->add_admin_notice( 'bad_environment', 'error', $environment_warning );
+		if ($environment_warning) {
+			$this->add_admin_notice('bad_environment', 'error', $environment_warning);
 		}
 
-		foreach ( (array) $this->notices as $notice_key => $notice ) {
-			echo "<div class='" . esc_attr( $notice['class'] ) . "'><p>";
-			echo wp_kses( $notice['message'], array( 'a' => array( 'href' => array() ) ) );
+		foreach ((array) $this->notices as $notice_key => $notice) {
+			echo "<div class='" . esc_attr($notice['class']) . "'><p>";
+			echo wp_kses($notice['message'], array('a' => array('href' => array())));
 			echo '</p></div>';
 		}
 	}
@@ -135,8 +135,8 @@ 
 	 * @version 4.0.0
 	 */
 	public function get_environment_warning() {
-		if ( 'yes' === $this->enabled && ! in_array( get_woocommerce_currency(), $this->get_supported_currency() ) ) {
-			$message = __( 'Bitcoin is enabled - it requires store currency to be set to USD.', 'woocommerce-gateway-stripe' );
+		if ('yes' === $this->enabled && ! in_array(get_woocommerce_currency(), $this->get_supported_currency())) {
+			$message = __('Bitcoin is enabled - it requires store currency to be set to USD.', 'woocommerce-gateway-stripe');
 
 			return $message;
 		}
@@ -152,9 +152,9 @@ 
 	 * @return array
 	 */
 	public function get_supported_currency() {
-		return apply_filters( 'wc_stripe_bitcoin_supported_currencies', array(
+		return apply_filters('wc_stripe_bitcoin_supported_currencies', array(
 			'USD',
-		) );
+		));
 	}
 
 	/**
@@ -165,7 +165,7 @@ 
 	 * @return bool
 	 */
 	public function is_available() {
-		if ( ! in_array( get_woocommerce_currency(), $this->get_supported_currency() ) ) {
+		if ( ! in_array(get_woocommerce_currency(), $this->get_supported_currency())) {
 			return false;
 		}
 
@@ -186,7 +186,7 @@ 
 
 		$icons_str .= $icons['bitcoin'];
 
-		return apply_filters( 'woocommerce_gateway_icon', $icons_str, $this->id );
+		return apply_filters('woocommerce_gateway_icon', $icons_str, $this->id);
 	}
 
 	/**
@@ -197,19 +197,19 @@ 
 	 * @access public
 	 */
 	public function payment_scripts() {
-		if ( ! is_cart() && ! is_checkout() && ! isset( $_GET['pay_for_order'] ) && ! is_add_payment_method_page() ) {
+		if ( ! is_cart() && ! is_checkout() && ! isset($_GET['pay_for_order']) && ! is_add_payment_method_page()) {
 			return;
 		}
 
-		wp_enqueue_style( 'stripe_paymentfonts' );
-		wp_enqueue_script( 'woocommerce_stripe' );
+		wp_enqueue_style('stripe_paymentfonts');
+		wp_enqueue_script('woocommerce_stripe');
 	}
 
 	/**
 	 * Initialize Gateway Settings Form Fields.
 	 */
 	public function init_form_fields() {
-		$this->form_fields = require( WC_STRIPE_PLUGIN_PATH . '/includes/admin/stripe-bitcoin-settings.php' );
+		$this->form_fields = require(WC_STRIPE_PLUGIN_PATH . '/includes/admin/stripe-bitcoin-settings.php');
 	}
 
 	/**
@@ -220,25 +220,25 @@ 
 		$total                = WC()->cart->total;
 
 		// If paying from order, we need to get total from order not cart.
-		if ( isset( $_GET['pay_for_order'] ) && ! empty( $_GET['key'] ) ) {
-			$order = wc_get_order( wc_get_order_id_by_order_key( wc_clean( $_GET['key'] ) ) );
+		if (isset($_GET['pay_for_order']) && ! empty($_GET['key'])) {
+			$order = wc_get_order(wc_get_order_id_by_order_key(wc_clean($_GET['key'])));
 			$total = $order->get_total();
 		}
 
-		if ( is_add_payment_method_page() ) {
-			$pay_button_text = __( 'Add Payment', 'woocommerce-gateway-stripe' );
-			$total        = '';
+		if (is_add_payment_method_page()) {
+			$pay_button_text = __('Add Payment', 'woocommerce-gateway-stripe');
+			$total = '';
 		} else {
 			$pay_button_text = '';
 		}
 
 		echo '<div
 			id="stripe-bitcoin-payment-data"
-			data-amount="' . esc_attr( WC_Stripe_Helper::get_stripe_amount( $total ) ) . '"
-			data-currency="' . esc_attr( strtolower( get_woocommerce_currency() ) ) . '">';
+			data-amount="' . esc_attr(WC_Stripe_Helper::get_stripe_amount($total)) . '"
+			data-currency="' . esc_attr(strtolower(get_woocommerce_currency())) . '">';
 
-		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)));
 		}
 
 		echo '</div>';
@@ -249,8 +249,8 @@ 
 	 *
 	 * @param int $order_id
 	 */
-	public function thankyou_page( $order_id ) {
-		$this->get_instructions( $order_id );
+	public function thankyou_page($order_id) {
+		$this->get_instructions($order_id);
 	}
 
 	/**
@@ -262,13 +262,13 @@ 
 	 * @param bool $sent_to_admin
 	 * @param bool $plain_text
 	 */
-	public function email_instructions( $order, $sent_to_admin, $plain_text = false ) {
+	public function email_instructions($order, $sent_to_admin, $plain_text = false) {
 		$order_id = WC_Stripe_Helper::is_pre_30() ? $order->id : $order->get_id();
 
 		$payment_method = WC_Stripe_Helper::is_pre_30() ? $order->payment_method : $order->get_payment_method();
 
-		if ( ! $sent_to_admin && 'stripe_bitcoin' === $payment_method && $order->has_status( 'on-hold' ) ) {
-			$this->get_instructions( $order_id, $plain_text );
+		if ( ! $sent_to_admin && 'stripe_bitcoin' === $payment_method && $order->has_status('on-hold')) {
+			$this->get_instructions($order_id, $plain_text);
 		}
 	}
 
@@ -279,38 +279,38 @@ 
 	 * @version 4.0.0
 	 * @param int $order_id
 	 */
-	public function get_instructions( $order_id, $plain_text = false ) {
-		$data = get_post_meta( $order_id, '_stripe_bitcoin', true );
+	public function get_instructions($order_id, $plain_text = false) {
+		$data = get_post_meta($order_id, '_stripe_bitcoin', true);
 
-		if ( $plain_text ) {
-			esc_html_e( 'Please pay the following:', 'woocommerce-gateway-stripe' ) . "\n\n";
+		if ($plain_text) {
+			esc_html_e('Please pay the following:', 'woocommerce-gateway-stripe') . "\n\n";
 			echo "=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=\n\n";
-			esc_html_e( 'Bitcoin Amount:', 'woocommerce-gateway-stripe' ) . "\n\n";
+			esc_html_e('Bitcoin Amount:', 'woocommerce-gateway-stripe') . "\n\n";
 			echo $data['amount'] . "\n\n";
 			echo "=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=\n\n";
-			esc_html_e( 'Receiver:', 'woocommerce-gateway-stripe' ) . "\n\n";
+			esc_html_e('Receiver:', 'woocommerce-gateway-stripe') . "\n\n";
 			echo $data['address'] . "\n\n";
 			echo "=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=\n\n";
-			esc_html_e( 'URI:', 'woocommerce-gateway-stripe' ) . "\n\n";
+			esc_html_e('URI:', 'woocommerce-gateway-stripe') . "\n\n";
 			echo $data['uri'] . "\n\n";
 		} else {
 			?>
-			<h3><?php esc_html_e( 'Please pay the following:', 'woocommerce-gateway-stripe' ); ?></h3>
+			<h3><?php esc_html_e('Please pay the following:', 'woocommerce-gateway-stripe'); ?></h3>
 			<ul class="woocommerce-order-overview woocommerce-thankyou-order-details order_details">
 			<li class="woocommerce-order-overview__order order">
-				<?php esc_html_e( 'Bitcoin Amount:', 'woocommerce-gateway-stripe' ); ?>
+				<?php esc_html_e('Bitcoin Amount:', 'woocommerce-gateway-stripe'); ?>
 				<strong><?php echo $data['amount']; ?></strong>
 			</li>
 			<li class="woocommerce-order-overview__order order">
-				<?php esc_html_e( 'Receiver:', 'woocommerce-gateway-stripe' ); ?>
+				<?php esc_html_e('Receiver:', 'woocommerce-gateway-stripe'); ?>
 				<strong><?php echo $data['address']; ?></strong>
 			</li>
 			<li class="woocommerce-order-overview__order order">
-				<?php esc_html_e( 'URI:', 'woocommerce-gateway-stripe' ); ?>
+				<?php esc_html_e('URI:', 'woocommerce-gateway-stripe'); ?>
 				<strong>
 				<?php
 				/* translators: link */
-				printf( __( '<a href="%s">Pay Bitcoin</a>', 'woocommerce-gateway-stripe' ), $data['uri'] );
+				printf(__('<a href="%s">Pay Bitcoin</a>', 'woocommerce-gateway-stripe'), $data['uri']);
 				?>
 				</strong>
 			</li>
@@ -327,7 +327,7 @@ 
 	 * @param object $order
 	 * @param object $source_object
 	 */
-	public function save_instructions( $order, $source_object ) {
+	public function save_instructions($order, $source_object) {
 		$data = array(
 			'amount'  => $source_object->bitcoin->amount,
 			'address' => $source_object->bitcoin->address,
@@ -336,7 +336,7 @@ 
 
 		$order_id = WC_Stripe_Helper::is_pre_30() ? $order->id : $order->get_id();
 
-		update_post_meta( $order_id, '_stripe_bitcoin', $data );
+		update_post_meta($order_id, '_stripe_bitcoin', $data);
 	}
 
 	/**
@@ -350,39 +350,39 @@ 
 	 *
 	 * @return array|void
 	 */
-	public function process_payment( $order_id, $retry = true, $force_save_source = false ) {
+	public function process_payment($order_id, $retry = true, $force_save_source = false) {
 		try {
-			$order = wc_get_order( $order_id );
+			$order = wc_get_order($order_id);
 
 			// This comes from the create account checkbox in the checkout page.
-			$create_account = ! empty( $_POST['createaccount'] ) ? true : false;
+			$create_account = ! empty($_POST['createaccount']) ? true : false;
 
-			if ( $create_account ) {
+			if ($create_account) {
 				$new_customer_id     = WC_Stripe_Helper::is_pre_30() ? $order->customer_user : $order->get_customer_id();
-				$new_stripe_customer = new WC_Stripe_Customer( $new_customer_id );
+				$new_stripe_customer = new WC_Stripe_Customer($new_customer_id);
 				$new_stripe_customer->create_customer();
 			}
 
-			$prepared_source = $this->prepare_source( $this->create_source_object(), get_current_user_id(), $force_save_source );
+			$prepared_source = $this->prepare_source($this->create_source_object(), get_current_user_id(), $force_save_source);
 
-			if ( empty( $prepared_source->source ) ) {
-				$localized_message = __( 'Payment processing failed. Please retry.', 'woocommerce-gateway-stripe' );
-				throw new WC_Stripe_Exception( print_r( $prepared_source, true ), $localized_message );
+			if (empty($prepared_source->source)) {
+				$localized_message = __('Payment processing failed. Please retry.', 'woocommerce-gateway-stripe');
+				throw new WC_Stripe_Exception(print_r($prepared_source, true), $localized_message);
 			}
 
 			// Store source to order meta.
-			$this->save_source( $order, $prepared_source );
+			$this->save_source($order, $prepared_source);
 
 
 			// This will throw exception if not valid.
-			$this->validate_minimum_order_amount( $order );
+			$this->validate_minimum_order_amount($order);
 
-			$this->save_instructions( $order, $this->create_source_object() );
+			$this->save_instructions($order, $this->create_source_object());
 
 			// Mark as on-hold (we're awaiting the payment)
-			$order->update_status( 'on-hold', __( 'Awaiting Bitcoin payment', 'woocommerce-gateway-stripe' ) );
+			$order->update_status('on-hold', __('Awaiting Bitcoin payment', 'woocommerce-gateway-stripe'));
 
-			wc_reduce_stock_levels( $order_id );
+			wc_reduce_stock_levels($order_id);
 
 			// Remove cart
 			WC()->cart->empty_cart();
@@ -390,16 +390,16 @@ 
 			// Return thankyou redirect
 			return array(
 				'result'    => 'success',
-				'redirect'  => $this->get_return_url( $order ),
+				'redirect'  => $this->get_return_url($order),
 			);
-		} catch ( WC_Stripe_Exception $e ) {
-			wc_add_notice( $e->getLocalizedMessage(), 'error' );
-			WC_Stripe_Logger::log( 'Error: ' . $e->getMessage() );
+		} catch (WC_Stripe_Exception $e) {
+			wc_add_notice($e->getLocalizedMessage(), 'error');
+			WC_Stripe_Logger::log('Error: ' . $e->getMessage());
 
-			do_action( 'wc_gateway_stripe_process_payment_error', $e, $order );
+			do_action('wc_gateway_stripe_process_payment_error', $e, $order);
 
-			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 array(

includes/class-wc-gateway-stripe.php

Spacing +204 added lines, -204 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit;
 }
 
@@ -119,9 +119,9 @@ 
 	 */
 	public function __construct() {
 		$this->id                   = 'stripe';
-		$this->method_title         = __( 'Stripe', 'woocommerce-gateway-stripe' );
+		$this->method_title         = __('Stripe', 'woocommerce-gateway-stripe');
 		/* translators: 1) link to Stripe register page 2) link to Stripe api keys page */
-		$this->method_description   = sprintf( __( 'Stripe works by adding payment fields on the checkout and then sending the details to Stripe for verification. <a href="%1$s" target="_blank">Sign up</a> for a Stripe account, and <a href="%2$s" target="_blank">get your Stripe account keys</a>.', 'woocommerce-gateway-stripe' ), 'https://dashboard.stripe.com/register', 'https://dashboard.stripe.com/account/apikeys' );
+		$this->method_description   = sprintf(__('Stripe works by adding payment fields on the checkout and then sending the details to Stripe for verification. <a href="%1$s" target="_blank">Sign up</a> for a Stripe account, and <a href="%2$s" target="_blank">get your Stripe account keys</a>.', 'woocommerce-gateway-stripe'), 'https://dashboard.stripe.com/register', 'https://dashboard.stripe.com/account/apikeys');
 		$this->has_fields           = true;
 		$this->supports             = array(
 			'products',
@@ -148,38 +148,38 @@ 
 		$this->init_settings();
 
 		// Get setting values.
-		$this->title                   = $this->get_option( 'title' );
-		$this->description             = $this->get_option( 'description' );
-		$this->enabled                 = $this->get_option( 'enabled' );
-		$this->testmode                = 'yes' === $this->get_option( 'testmode' );
-		$this->inline_cc_form          = 'yes' === $this->get_option( 'inline_cc_form' );
-		$this->capture                 = 'yes' === $this->get_option( 'capture', 'yes' );
-		$this->statement_descriptor    = WC_Stripe_Helper::clean_statement_descriptor( $this->get_option( 'statement_descriptor' ) );
-		$this->three_d_secure          = 'yes' === $this->get_option( 'three_d_secure' );
-		$this->stripe_checkout         = 'yes' === $this->get_option( 'stripe_checkout' );
-		$this->stripe_checkout_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->payment_request         = 'yes' === $this->get_option( 'payment_request', 'yes' );
-		$this->apple_pay_domain_set    = 'yes' === $this->get_option( 'apple_pay_domain_set', 'no' );
+		$this->title                   = $this->get_option('title');
+		$this->description             = $this->get_option('description');
+		$this->enabled                 = $this->get_option('enabled');
+		$this->testmode                = 'yes' === $this->get_option('testmode');
+		$this->inline_cc_form          = 'yes' === $this->get_option('inline_cc_form');
+		$this->capture                 = 'yes' === $this->get_option('capture', 'yes');
+		$this->statement_descriptor    = WC_Stripe_Helper::clean_statement_descriptor($this->get_option('statement_descriptor'));
+		$this->three_d_secure          = 'yes' === $this->get_option('three_d_secure');
+		$this->stripe_checkout         = 'yes' === $this->get_option('stripe_checkout');
+		$this->stripe_checkout_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->payment_request         = 'yes' === $this->get_option('payment_request', 'yes');
+		$this->apple_pay_domain_set    = 'yes' === $this->get_option('apple_pay_domain_set', 'no');
 		$this->apple_pay_verify_notice = '';
 
-		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');
 		}
 
-		WC_Stripe_API::set_secret_key( $this->secret_key );
+		WC_Stripe_API::set_secret_key($this->secret_key);
 
 		$this->init_apple_pay();
 
 		// Hooks.
-		add_action( 'wp_enqueue_scripts', array( $this, 'payment_scripts' ) );
-		add_action( 'admin_enqueue_scripts', array( $this, 'admin_scripts' ) );
-		add_action( 'admin_notices', array( $this, 'admin_notices' ) );
-		add_action( 'woocommerce_update_options_payment_gateways_' . $this->id, array( $this, 'process_admin_options' ) );
+		add_action('wp_enqueue_scripts', array($this, 'payment_scripts'));
+		add_action('admin_enqueue_scripts', array($this, 'admin_scripts'));
+		add_action('admin_notices', array($this, 'admin_notices'));
+		add_action('woocommerce_update_options_payment_gateways_' . $this->id, array($this, 'process_admin_options'));
 	}
 
 	/**
@@ -188,7 +188,7 @@ 
 	 * @since 4.0.2
 	 */
 	public function is_available() {
-		if ( is_add_payment_method_page() && ! $this->saved_cards ) {
+		if (is_add_payment_method_page() && ! $this->saved_cards) {
 			return false;
 		}
 
@@ -211,17 +211,17 @@ 
 		$icons_str .= $icons['amex'];
 		$icons_str .= $icons['mastercard'];
 
-		if ( 'USD' === get_woocommerce_currency() ) {
+		if ('USD' === get_woocommerce_currency()) {
 			$icons_str .= $icons['discover'];
 			$icons_str .= $icons['jcb'];
 			$icons_str .= $icons['diners'];
 		}
 
-		if ( $this->bitcoin && $this->stripe_checkout ) {
+		if ($this->bitcoin && $this->stripe_checkout) {
 			$icons_str .= $icons['bitcoin'];
 		}
 
-		return apply_filters( 'woocommerce_gateway_icon', $icons_str, $this->id );
+		return apply_filters('woocommerce_gateway_icon', $icons_str, $this->id);
 	}
 
 	/**
@@ -233,9 +233,9 @@ 
 	public function init_apple_pay() {
 		if (
 			is_admin() &&
-			isset( $_GET['page'] ) && 'wc-settings' === $_GET['page'] &&
-			isset( $_GET['tab'] ) && 'checkout' === $_GET['tab'] &&
-			isset( $_GET['section'] ) && 'stripe' === $_GET['section'] &&
+			isset($_GET['page']) && 'wc-settings' === $_GET['page'] &&
+			isset($_GET['tab']) && 'checkout' === $_GET['tab'] &&
+			isset($_GET['section']) && 'stripe' === $_GET['section'] &&
 			$this->payment_request
 		) {
 			$this->process_apple_pay_verification();
@@ -249,9 +249,9 @@ 
 	 * @version 3.1.0
 	 * @param string $secret_key
 	 */
-	private function register_apple_pay_domain( $secret_key = '' ) {
-		if ( empty( $secret_key ) ) {
-			throw new Exception( __( 'Unable to verify domain - missing secret key.', 'woocommerce-gateway-stripe' ) );
+	private function register_apple_pay_domain($secret_key = '') {
+		if (empty($secret_key)) {
+			throw new Exception(__('Unable to verify domain - missing secret key.', 'woocommerce-gateway-stripe'));
 		}
 
 		$endpoint = 'https://api.stripe.com/v1/apple_pay/domains';
@@ -265,23 +265,23 @@ 
 			'Authorization' => 'Bearer ' . $secret_key,
 		);
 
-		$response = wp_remote_post( $endpoint, array(
+		$response = wp_remote_post($endpoint, array(
 			'headers' => $headers,
-			'body'    => http_build_query( $data ),
-		) );
+			'body'    => http_build_query($data),
+		));
 
-		if ( is_wp_error( $response ) ) {
+		if (is_wp_error($response)) {
 			/* translators: error message */
-			throw new Exception( sprintf( __( 'Unable to verify domain - %s', 'woocommerce-gateway-stripe' ), $response->get_error_message() ) );
+			throw new Exception(sprintf(__('Unable to verify domain - %s', 'woocommerce-gateway-stripe'), $response->get_error_message()));
 		}
 
-		if ( 200 !== $response['response']['code'] ) {
-			$parsed_response = json_decode( $response['body'] );
+		if (200 !== $response['response']['code']) {
+			$parsed_response = json_decode($response['body']);
 
 			$this->apple_pay_verify_notice = $parsed_response->error->message;
 
 			/* translators: error message */
-			throw new Exception( sprintf( __( 'Unable to verify domain - %s', 'woocommerce-gateway-stripe' ), $parsed_response->error->message ) );
+			throw new Exception(sprintf(__('Unable to verify domain - %s', 'woocommerce-gateway-stripe'), $parsed_response->error->message));
 		}
 	}
 
@@ -292,48 +292,48 @@ 
 	 * @version 3.1.0
 	 */
 	public function process_apple_pay_verification() {
-		$gateway_settings = get_option( 'woocommerce_stripe_settings', array() );
+		$gateway_settings = get_option('woocommerce_stripe_settings', array());
 
 		try {
-			$path     = untrailingslashit( $_SERVER['DOCUMENT_ROOT'] );
+			$path     = untrailingslashit($_SERVER['DOCUMENT_ROOT']);
 			$dir      = '.well-known';
 			$file     = 'apple-developer-merchantid-domain-association';
 			$fullpath = $path . '/' . $dir . '/' . $file;
 
-			if ( ! empty( $gateway_settings['apple_pay_domain_set'] ) && 'yes' === $gateway_settings['apple_pay_domain_set'] && file_exists( $fullpath ) ) {
+			if ( ! empty($gateway_settings['apple_pay_domain_set']) && 'yes' === $gateway_settings['apple_pay_domain_set'] && file_exists($fullpath)) {
 				return;
 			}
 
-			if ( ! file_exists( $path . '/' . $dir ) ) {
-				if ( ! @mkdir( $path . '/' . $dir, 0755 ) ) {
-					throw new Exception( __( 'Unable to create domain association folder to domain root.', 'woocommerce-gateway-stripe' ) );
+			if ( ! file_exists($path . '/' . $dir)) {
+				if ( ! @mkdir($path . '/' . $dir, 0755)) {
+					throw new Exception(__('Unable to create domain association folder to domain root.', 'woocommerce-gateway-stripe'));
 				}
 			}
 
-			if ( ! file_exists( $fullpath ) ) {
-				if ( ! @copy( WC_STRIPE_PLUGIN_PATH . '/' . $file, $fullpath ) ) {
-					throw new Exception( __( 'Unable to copy domain association file to domain root.', 'woocommerce-gateway-stripe' ) );
+			if ( ! file_exists($fullpath)) {
+				if ( ! @copy(WC_STRIPE_PLUGIN_PATH . '/' . $file, $fullpath)) {
+					throw new Exception(__('Unable to copy domain association file to domain root.', 'woocommerce-gateway-stripe'));
 				}
 			}
 
 			// At this point then the domain association folder and file should be available.
 			// Proceed to verify/and or verify again.
-			$this->register_apple_pay_domain( $this->secret_key );
+			$this->register_apple_pay_domain($this->secret_key);
 
 			// No errors to this point, verification success!
 			$gateway_settings['apple_pay_domain_set'] = 'yes';
 			$this->apple_pay_domain_set = true;
 
-			update_option( 'woocommerce_stripe_settings', $gateway_settings );
+			update_option('woocommerce_stripe_settings', $gateway_settings);
 
-			WC_Stripe_Logger::log( 'Your domain has been verified with Apple Pay!' );
+			WC_Stripe_Logger::log('Your domain has been verified with Apple Pay!');
 
-		} catch ( Exception $e ) {
+		} catch (Exception $e) {
 			$gateway_settings['apple_pay_domain_set'] = 'no';
 
-			update_option( 'woocommerce_stripe_settings', $gateway_settings );
+			update_option('woocommerce_stripe_settings', $gateway_settings);
 
-			WC_Stripe_Logger::log( 'Error: ' . $e->getMessage() );
+			WC_Stripe_Logger::log('Error: ' . $e->getMessage());
 		}
 	}
 
@@ -341,11 +341,11 @@ 
 	 * Check if SSL is enabled and notify the user
 	 */
 	public function admin_notices() {
-		if ( 'no' === $this->enabled ) {
+		if ('no' === $this->enabled) {
 			return;
 		}
 
-		if ( $this->payment_request && ! empty( $this->apple_pay_verify_notice ) ) {
+		if ($this->payment_request && ! empty($this->apple_pay_verify_notice)) {
 			$allowed_html = array(
 				'a' => array(
 					'href' => array(),
@@ -353,7 +353,7 @@ 
 				),
 			);
 
-			echo '<div class="error stripe-apple-pay-message"><p>' . wp_kses( make_clickable( $this->apple_pay_verify_notice ), $allowed_html ) . '</p></div>';
+			echo '<div class="error stripe-apple-pay-message"><p>' . wp_kses(make_clickable($this->apple_pay_verify_notice), $allowed_html) . '</p></div>';
 		}
 
 		/**
@@ -361,9 +361,9 @@ 
 		 * when setting screen is displayed. So if domain verification is not set,
 		 * something went wrong so lets notify user.
 		 */
-		if ( ! empty( $this->secret_key ) && $this->payment_request && ! $this->apple_pay_domain_set ) {
+		if ( ! empty($this->secret_key) && $this->payment_request && ! $this->apple_pay_domain_set) {
 			/* translators: 1) HTML anchor open tag 2) HTML anchor closing tag */
-			echo '<div class="error stripe-apple-pay-message"><p>' . sprintf( __( 'Apple Pay domain verification failed. Please check the %1$slog%2$s to see the issue. (Logging must be enabled to see recorded logs)', 'woocommerce-gateway-stripe' ), '<a href="' . admin_url( 'admin.php?page=wc-status&tab=logs' ) . '">', '</a>' ) . '</p></div>';
+			echo '<div class="error stripe-apple-pay-message"><p>' . sprintf(__('Apple Pay domain verification failed. Please check the %1$slog%2$s to see the issue. (Logging must be enabled to see recorded logs)', 'woocommerce-gateway-stripe'), '<a href="' . admin_url('admin.php?page=wc-status&tab=logs') . '">', '</a>') . '</p></div>';
 		}
 	}
 
@@ -371,7 +371,7 @@ 
 	 * Initialise Gateway Settings Form Fields
 	 */
 	public function init_form_fields() {
-		$this->form_fields = require( dirname( __FILE__ ) . '/admin/stripe-settings.php' );
+		$this->form_fields = require(dirname(__FILE__) . '/admin/stripe-settings.php');
 	}
 
 	/**
@@ -379,59 +379,59 @@ 
 	 */
 	public function payment_fields() {
 		$user                 = wp_get_current_user();
-		$display_tokenization = $this->supports( 'tokenization' ) && is_checkout() && $this->saved_cards;
+		$display_tokenization = $this->supports('tokenization') && is_checkout() && $this->saved_cards;
 		$total                = WC()->cart->total;
 		$user_email           = '';
 
 		// If paying from order, we need to get total from order not cart.
-		if ( isset( $_GET['pay_for_order'] ) && ! empty( $_GET['key'] ) ) {
-			$order      = wc_get_order( wc_get_order_id_by_order_key( wc_clean( $_GET['key'] ) ) );
+		if (isset($_GET['pay_for_order']) && ! empty($_GET['key'])) {
+			$order      = wc_get_order(wc_get_order_id_by_order_key(wc_clean($_GET['key'])));
 			$total      = $order->get_total();
 			$user_email = WC_Stripe_Helper::is_pre_30() ? $order->billing_email : $order->get_billing_email();
 		} else {
-			if ( $user->ID ) {
-				$user_email = get_user_meta( $user->ID, 'billing_email', true );
+			if ($user->ID) {
+				$user_email = get_user_meta($user->ID, 'billing_email', true);
 				$user_email = $user_email ? $user_email : $user->user_email;
 			}
 		}
 
-		if ( is_add_payment_method_page() ) {
-			$pay_button_text = __( 'Add Card', 'woocommerce-gateway-stripe' );
-			$total        = '';
+		if (is_add_payment_method_page()) {
+			$pay_button_text = __('Add Card', 'woocommerce-gateway-stripe');
+			$total = '';
 		} 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( WC_Stripe_Helper::get_stripe_amount( $total ) ) . '"
-			data-name="' . esc_attr( $this->statement_descriptor ) . '"
-			data-currency="' . esc_attr( strtolower( get_woocommerce_currency() ) ) . '"
-			data-image="' . esc_attr( $this->stripe_checkout_image ) . '"
-			data-bitcoin="' . esc_attr( ( $this->bitcoin && $this->capture ) ? 'true' : 'false' ) . '"
-			data-locale="' . esc_attr( $this->stripe_checkout_locale ? $this->stripe_checkout_locale : 'en' ) . '"
-			data-three-d-secure="' . esc_attr( $this->three_d_secure ? 'true' : 'false' ) . '"
-			data-allow-remember-me="' . esc_attr( $this->saved_cards ? 'true' : 'false' ) . '">';
-
-		if ( $this->description ) {
-			if ( $this->testmode ) {
+			data-email="' . esc_attr($user_email) . '"
+			data-amount="' . esc_attr(WC_Stripe_Helper::get_stripe_amount($total)) . '"
+			data-name="' . esc_attr($this->statement_descriptor) . '"
+			data-currency="' . esc_attr(strtolower(get_woocommerce_currency())) . '"
+			data-image="' . esc_attr($this->stripe_checkout_image) . '"
+			data-bitcoin="' . esc_attr(($this->bitcoin && $this->capture) ? 'true' : 'false') . '"
+			data-locale="' . esc_attr($this->stripe_checkout_locale ? $this->stripe_checkout_locale : 'en') . '"
+			data-three-d-secure="' . esc_attr($this->three_d_secure ? 'true' : 'false') . '"
+			data-allow-remember-me="' . esc_attr($this->saved_cards ? 'true' : 'false') . '">';
+
+		if ($this->description) {
+			if ($this->testmode) {
 				/* translators: link to Stripe testing page */
-				$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" target="_blank">Testing Stripe</a>" for more card numbers.', 'woocommerce-gateway-stripe' ), 'https://stripe.com/docs/testing' );
-				$this->description  = trim( $this->description );
+				$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" target="_blank">Testing Stripe</a>" for more card numbers.', 'woocommerce-gateway-stripe'), 'https://stripe.com/docs/testing');
+				$this->description  = trim($this->description);
 			}
-			echo apply_filters( 'wc_stripe_description', wpautop( wp_kses_post( $this->description ) ) );
+			echo apply_filters('wc_stripe_description', wpautop(wp_kses_post($this->description)));
 		}
 
-		if ( $display_tokenization ) {
+		if ($display_tokenization) {
 			$this->tokenization_script();
 			$this->saved_payment_methods();
 		}
 
-		if ( ! $this->stripe_checkout ) {
-			if ( apply_filters( 'wc_stripe_use_elements_checkout_form', true ) ) {
+		if ( ! $this->stripe_checkout) {
+			if (apply_filters('wc_stripe_use_elements_checkout_form', true)) {
 				$this->elements_form();
 			} else {
 				$this->form();
@@ -439,7 +439,7 @@ 
 			}
 		}
 
-		if ( apply_filters( 'wc_stripe_display_save_payment_method_checkbox', $display_tokenization ) && ! is_add_payment_method_page() && ! isset( $_GET['change_payment_method'] ) ) {
+		if (apply_filters('wc_stripe_display_save_payment_method_checkbox', $display_tokenization) && ! is_add_payment_method_page() && ! isset($_GET['change_payment_method'])) {
 			$this->save_payment_method_checkbox();
 		}
 
@@ -454,12 +454,12 @@ 
 	 */
 	public function elements_form() {
 		?>
-		<fieldset id="wc-<?php echo esc_attr( $this->id ); ?>-cc-form" class="wc-credit-card-form wc-payment-form" style="background:transparent;">
-			<?php do_action( 'woocommerce_credit_card_form_start', $this->id ); ?>
+		<fieldset id="wc-<?php echo esc_attr($this->id); ?>-cc-form" class="wc-credit-card-form wc-payment-form" style="background:transparent;">
+			<?php do_action('woocommerce_credit_card_form_start', $this->id); ?>
 
-			<?php if ( $this->inline_cc_form ) { ?>
+			<?php if ($this->inline_cc_form) { ?>
 				<label for="card-element">
-					<?php esc_html_e( 'Credit or debit card', 'woocommerce-gateway-stripe' ); ?>
+					<?php esc_html_e('Credit or debit card', 'woocommerce-gateway-stripe'); ?>
 				</label>
 
 				<div id="stripe-card-element" style="background:#fff;padding:0 1em;border:1px solid #ddd;margin:5px 0;padding:10px 5px;">
@@ -467,7 +467,7 @@ 
 				</div>
 			<?php } else { ?>
 				<div class="form-row form-row-wide">
-					<label><?php _e( 'Card Number', 'woocommerce-gateway-stripe' ); ?> <span class="required">*</span></label>
+					<label><?php _e('Card Number', 'woocommerce-gateway-stripe'); ?> <span class="required">*</span></label>
 
 					<div id="stripe-card-element" style="background:#fff;padding:0 1em;border:1px solid #ddd;margin:5px 0;padding:10px 5px;">
 					<!-- a Stripe Element will be inserted here. -->
@@ -475,7 +475,7 @@ 
 				</div>
 
 				<div class="form-row form-row-first">
-					<label><?php _e( 'Expiry Date', 'woocommerce-gateway-stripe' ); ?> <span class="required">*</span></label>
+					<label><?php _e('Expiry Date', 'woocommerce-gateway-stripe'); ?> <span class="required">*</span></label>
 
 					<div id="stripe-exp-element" style="background:#fff;padding:0 1em;border:1px solid #ddd;margin:5px 0;padding:10px 5px;">
 					<!-- a Stripe Element will be inserted here. -->
@@ -483,7 +483,7 @@ 
 				</div>
 
 				<div class="form-row form-row-last">
-					<label><?php _e( 'Card Code (CVC)', 'woocommerce-gateway-stripe' ); ?> <span class="required">*</span></label>
+					<label><?php _e('Card Code (CVC)', 'woocommerce-gateway-stripe'); ?> <span class="required">*</span></label>
 				<div id="stripe-cvc-element" style="background:#fff;padding:0 1em;border:1px solid #ddd;margin:5px 0;padding:10px 5px;">
 				<!-- a Stripe Element will be inserted here. -->
 				</div>
@@ -493,7 +493,7 @@ 
 
 			<!-- Used to display form errors -->
 			<div class="stripe-source-errors" role="alert"></div>
-			<?php do_action( 'woocommerce_credit_card_form_end', $this->id ); ?>
+			<?php do_action('woocommerce_credit_card_form_end', $this->id); ?>
 			<div class="clear"></div>
 		</fieldset>
 		<?php
@@ -506,13 +506,13 @@ 
 	 * @version 3.1.0
 	 */
 	public function admin_scripts() {
-		if ( 'woocommerce_page_wc-settings' !== get_current_screen()->id ) {
+		if ('woocommerce_page_wc-settings' !== get_current_screen()->id) {
 			return;
 		}
 
-		$suffix = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
+		$suffix = defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ? '' : '.min';
 
-		wp_enqueue_script( 'woocommerce_stripe_admin', plugins_url( 'assets/js/stripe-admin' . $suffix . '.js', WC_STRIPE_MAIN_FILE ), array(), WC_STRIPE_VERSION, true );
+		wp_enqueue_script('woocommerce_stripe_admin', plugins_url('assets/js/stripe-admin' . $suffix . '.js', WC_STRIPE_MAIN_FILE), array(), WC_STRIPE_VERSION, true);
 	}
 
 	/**
@@ -524,29 +524,29 @@ 
 	 * @version 4.0.0
 	 */
 	public function payment_scripts() {
-		if ( ! is_cart() && ! is_checkout() && ! isset( $_GET['pay_for_order'] ) && ! is_add_payment_method_page() && ! isset( $_GET['change_payment_method'] ) ) {
+		if ( ! is_cart() && ! is_checkout() && ! isset($_GET['pay_for_order']) && ! is_add_payment_method_page() && ! isset($_GET['change_payment_method'])) {
 			return;
 		}
 
-		$suffix = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
+		$suffix = defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ? '' : '.min';
 
-		wp_register_style( 'stripe_paymentfonts', plugins_url( 'assets/css/stripe-paymentfonts.css', WC_STRIPE_MAIN_FILE ), array(), '1.2.5' );
-		wp_enqueue_style( 'stripe_paymentfonts' );
-		wp_register_script( 'stripe_checkout', 'https://checkout.stripe.com/checkout.js', '', WC_STRIPE_VERSION, true );
-		wp_register_script( 'stripev2', 'https://js.stripe.com/v2/', '', '2.0', true );
-		wp_register_script( 'stripe', 'https://js.stripe.com/v3/', '', '3.0', true );
-		wp_register_script( 'woocommerce_stripe', plugins_url( 'assets/js/stripe' . $suffix . '.js', WC_STRIPE_MAIN_FILE ), array( 'jquery-payment', 'stripev2', 'stripe' ), WC_STRIPE_VERSION, true );
+		wp_register_style('stripe_paymentfonts', plugins_url('assets/css/stripe-paymentfonts.css', WC_STRIPE_MAIN_FILE), array(), '1.2.5');
+		wp_enqueue_style('stripe_paymentfonts');
+		wp_register_script('stripe_checkout', 'https://checkout.stripe.com/checkout.js', '', WC_STRIPE_VERSION, true);
+		wp_register_script('stripev2', 'https://js.stripe.com/v2/', '', '2.0', true);
+		wp_register_script('stripe', 'https://js.stripe.com/v3/', '', '3.0', true);
+		wp_register_script('woocommerce_stripe', plugins_url('assets/js/stripe' . $suffix . '.js', WC_STRIPE_MAIN_FILE), array('jquery-payment', 'stripev2', 'stripe'), WC_STRIPE_VERSION, true);
 
 		$stripe_params = array(
 			'key'                  => $this->publishable_key,
-			'i18n_terms'           => __( 'Please accept the terms and conditions first', 'woocommerce-gateway-stripe' ),
-			'i18n_required_fields' => __( 'Please fill in required checkout fields first', 'woocommerce-gateway-stripe' ),
+			'i18n_terms'           => __('Please accept the terms and conditions first', 'woocommerce-gateway-stripe'),
+			'i18n_required_fields' => __('Please fill in required checkout fields first', 'woocommerce-gateway-stripe'),
 		);
 
 		// If we're on the pay page we need to pass stripe.js the address of the order.
-		if ( isset( $_GET['pay_for_order'] ) && 'true' === $_GET['pay_for_order'] ) {
-			$order_id = wc_get_order_id_by_order_key( urldecode( $_GET['key'] ) );
-			$order    = wc_get_order( $order_id );
+		if (isset($_GET['pay_for_order']) && 'true' === $_GET['pay_for_order']) {
+			$order_id = wc_get_order_id_by_order_key(urldecode($_GET['key']));
+			$order    = wc_get_order($order_id);
 
 			$stripe_params['billing_first_name'] = WC_Stripe_Helper::is_pre_30() ? $order->billing_first_name : $order->get_billing_first_name();
 			$stripe_params['billing_last_name']  = WC_Stripe_Helper::is_pre_30() ? $order->billing_last_name : $order->get_billing_last_name();
@@ -558,38 +558,38 @@ 
 			$stripe_params['billing_country']    = WC_Stripe_Helper::is_pre_30() ? $order->billing_country : $order->get_billing_country();
 		}
 
-		$stripe_params['no_prepaid_card_msg']                     = __( 'Sorry, we\'re not accepting prepaid cards at this time. Your credit card has not been charge. Please try with alternative payment method.', 'woocommerce-gateway-stripe' );
-		$stripe_params['no_bank_country_msg']                     = __( 'Please select a country for your bank.', 'woocommerce-gateway-stripe' );
-		$stripe_params['no_sepa_owner_msg']                       = __( 'Please enter your IBAN account name.', 'woocommerce-gateway-stripe' );
-		$stripe_params['no_sepa_iban_msg']                        = __( 'Please enter your IBAN account number.', 'woocommerce-gateway-stripe' );
-		$stripe_params['sepa_mandate_notification']               = apply_filters( 'wc_stripe_sepa_mandate_notification', 'email' );
-		$stripe_params['allow_prepaid_card']                      = apply_filters( 'wc_stripe_allow_prepaid_card', true ) ? 'yes' : 'no';
+		$stripe_params['no_prepaid_card_msg']                     = __('Sorry, we\'re not accepting prepaid cards at this time. Your credit card has not been charge. Please try with alternative payment method.', 'woocommerce-gateway-stripe');
+		$stripe_params['no_bank_country_msg']                     = __('Please select a country for your bank.', 'woocommerce-gateway-stripe');
+		$stripe_params['no_sepa_owner_msg']                       = __('Please enter your IBAN account name.', 'woocommerce-gateway-stripe');
+		$stripe_params['no_sepa_iban_msg']                        = __('Please enter your IBAN account number.', 'woocommerce-gateway-stripe');
+		$stripe_params['sepa_mandate_notification']               = apply_filters('wc_stripe_sepa_mandate_notification', 'email');
+		$stripe_params['allow_prepaid_card']                      = apply_filters('wc_stripe_allow_prepaid_card', true) ? 'yes' : 'no';
 		$stripe_params['inline_cc_form']                          = $this->inline_cc_form ? 'yes' : 'no';
-		$stripe_params['stripe_checkout_require_billing_address'] = apply_filters( 'wc_stripe_checkout_require_billing_address', false ) ? 'yes' : 'no';
-		$stripe_params['is_checkout']                             = ( is_checkout() && empty( $_GET['pay_for_order'] ) );
+		$stripe_params['stripe_checkout_require_billing_address'] = apply_filters('wc_stripe_checkout_require_billing_address', false) ? 'yes' : 'no';
+		$stripe_params['is_checkout']                             = (is_checkout() && empty($_GET['pay_for_order']));
 		$stripe_params['return_url']                              = $this->get_stripe_return_url();
-		$stripe_params['ajaxurl']                                 = WC_AJAX::get_endpoint( '%%endpoint%%' );
-		$stripe_params['stripe_nonce']                            = wp_create_nonce( '_wc_stripe_nonce' );
+		$stripe_params['ajaxurl']                                 = WC_AJAX::get_endpoint('%%endpoint%%');
+		$stripe_params['stripe_nonce']                            = wp_create_nonce('_wc_stripe_nonce');
 		$stripe_params['statement_descriptor']                    = $this->statement_descriptor;
-		$stripe_params['use_elements']                            = apply_filters( 'wc_stripe_use_elements_checkout_form', true ) ? 'yes' : 'no';
+		$stripe_params['use_elements']                            = apply_filters('wc_stripe_use_elements_checkout_form', true) ? 'yes' : 'no';
 		$stripe_params['is_stripe_checkout']                      = $this->stripe_checkout ? 'yes' : 'no';
-		$stripe_params['is_change_payment_page']                  = ( isset( $_GET['pay_for_order'] ) || isset( $_GET['change_payment_method'] ) ) ? 'yes' : 'no';
+		$stripe_params['is_change_payment_page']                  = (isset($_GET['pay_for_order']) || isset($_GET['change_payment_method'])) ? 'yes' : 'no';
 		$stripe_params['is_add_payment_method_page']              = is_add_payment_method_page() ? 'yes' : 'no';
-		$stripe_params['elements_styling']                        = apply_filters( 'wc_stripe_elements_styling', false );
-		$stripe_params['elements_classes']                        = apply_filters( 'wc_stripe_elements_classes', false );
+		$stripe_params['elements_styling']                        = apply_filters('wc_stripe_elements_styling', false);
+		$stripe_params['elements_classes']                        = apply_filters('wc_stripe_elements_classes', false);
 
 		// merge localized messages to be use in JS
-		$stripe_params = array_merge( $stripe_params, WC_Stripe_Helper::get_localized_messages() );
+		$stripe_params = array_merge($stripe_params, WC_Stripe_Helper::get_localized_messages());
 
-		wp_localize_script( 'woocommerce_stripe', 'wc_stripe_params', apply_filters( 'wc_stripe_params', $stripe_params ) );
-		wp_localize_script( 'woocommerce_stripe_checkout', 'wc_stripe_params', apply_filters( 'wc_stripe_params', $stripe_params ) );
+		wp_localize_script('woocommerce_stripe', 'wc_stripe_params', apply_filters('wc_stripe_params', $stripe_params));
+		wp_localize_script('woocommerce_stripe_checkout', 'wc_stripe_params', apply_filters('wc_stripe_params', $stripe_params));
 
-		if ( $this->stripe_checkout ) {
-			wp_enqueue_script( 'stripe_checkout' );
+		if ($this->stripe_checkout) {
+			wp_enqueue_script('stripe_checkout');
 		}
 
 		$this->tokenization_script();
-		wp_enqueue_script( 'woocommerce_stripe' );
+		wp_enqueue_script('woocommerce_stripe');
 	}
 
 	/**
@@ -601,22 +601,22 @@ 
 	 * @param object $source_object
 	 * @return mixed
 	 */
-	public function create_3ds_source( $order, $source_object ) {
+	public function create_3ds_source($order, $source_object) {
 		$currency                    = WC_Stripe_Helper::is_pre_30() ? $order->get_order_currency() : $order->get_currency();
 		$order_id                    = WC_Stripe_Helper::is_pre_30() ? $order->id : $order->get_id();
-		$return_url                  = $this->get_stripe_return_url( $order );
+		$return_url                  = $this->get_stripe_return_url($order);
 
 		$post_data                   = array();
-		$post_data['amount']         = WC_Stripe_Helper::get_stripe_amount( $order->get_total(), $currency );
-		$post_data['currency']       = strtolower( $currency );
+		$post_data['amount']         = WC_Stripe_Helper::get_stripe_amount($order->get_total(), $currency);
+		$post_data['currency']       = strtolower($currency);
 		$post_data['type']           = 'three_d_secure';
-		$post_data['owner']          = $this->get_owner_details( $order );
-		$post_data['three_d_secure'] = array( 'card' => $source_object->id );
-		$post_data['redirect']       = array( 'return_url' => $return_url );
+		$post_data['owner']          = $this->get_owner_details($order);
+		$post_data['three_d_secure'] = array('card' => $source_object->id);
+		$post_data['redirect']       = array('return_url' => $return_url);
 
-		WC_Stripe_Logger::log( 'Info: Begin creating 3DS source' );
+		WC_Stripe_Logger::log('Info: Begin creating 3DS source');
 
-		return WC_Stripe_API::request( $post_data, 'sources' );
+		return WC_Stripe_API::request($post_data, 'sources');
 	}
 
 	/**
@@ -632,45 +632,45 @@ 
 	 *
 	 * @return array|void
 	 */
-	public function process_payment( $order_id, $retry = true, $force_save_source = false ) {
+	public function process_payment($order_id, $retry = true, $force_save_source = false) {
 		try {
-			$order   = wc_get_order( $order_id );
+			$order = wc_get_order($order_id);
 
 			// This comes from the create account checkbox in the checkout page.
-			$create_account = ! empty( $_POST['createaccount'] ) ? true : false;
+			$create_account = ! empty($_POST['createaccount']) ? true : false;
 
-			if ( $create_account ) {
+			if ($create_account) {
 				$new_customer_id     = WC_Stripe_Helper::is_pre_30() ? $order->customer_user : $order->get_customer_id();
-				$new_stripe_customer = new WC_Stripe_Customer( $new_customer_id );
+				$new_stripe_customer = new WC_Stripe_Customer($new_customer_id);
 				$new_stripe_customer->create_customer();
 			}
 
 			$source_object = $this->create_source_object();
 
-			$prepared_source = $this->prepare_source( $source_object, get_current_user_id(), $force_save_source );
+			$prepared_source = $this->prepare_source($source_object, get_current_user_id(), $force_save_source);
 
 			// Check if we don't allow prepaid credit cards.
-			if ( ! apply_filters( 'wc_stripe_allow_prepaid_card', true ) ) {
-				if ( $source_object && 'token' === $source_object->object && 'prepaid' === $source_object->card->funding ) {
-					$localized_message = __( 'Sorry, we\'re not accepting prepaid cards at this time. Your credit card has not been charge. Please try with alternative payment method.', 'woocommerce-gateway-stripe' );
-					throw new WC_Stripe_Exception( print_r( $source_object, true ), $localized_message );
+			if ( ! apply_filters('wc_stripe_allow_prepaid_card', true)) {
+				if ($source_object && 'token' === $source_object->object && 'prepaid' === $source_object->card->funding) {
+					$localized_message = __('Sorry, we\'re not accepting prepaid cards at this time. Your credit card has not been charge. Please try with alternative payment method.', 'woocommerce-gateway-stripe');
+					throw new WC_Stripe_Exception(print_r($source_object, true), $localized_message);
 				}
 			}
 
-			if ( empty( $prepared_source->source ) ) {
-				$localized_message = __( 'Payment processing failed. Please retry.', 'woocommerce-gateway-stripe' );
-				throw new WC_Stripe_Exception( print_r( $prepared_source, true ), $localized_message );
+			if (empty($prepared_source->source)) {
+				$localized_message = __('Payment processing failed. Please retry.', 'woocommerce-gateway-stripe');
+				throw new WC_Stripe_Exception(print_r($prepared_source, true), $localized_message);
 			}
 
 			// Store source to order meta.
-			$this->save_source( $order, $prepared_source );
+			$this->save_source($order, $prepared_source);
 
 			// Result from Stripe API request.
 			$response = null;
 
-			if ( $order->get_total() > 0 ) {
+			if ($order->get_total() > 0) {
 				// This will throw exception if not valid.
-				$this->validate_minimum_order_amount( $order );
+				$this->validate_minimum_order_amount($order);
 
 				/**
 				 * Check if card 3DS is required or optional with 3DS setting.
@@ -679,83 +679,83 @@ 
 				 * Note that if we need to save source, the original source must be first
 				 * attached to a customer in Stripe before it can be charged.
 				 */
-				if ( ( $source_object && ! empty( $source_object->card ) ) && ( 'card' === $source_object->type && 'required' === $source_object->card->three_d_secure || ( $this->three_d_secure && 'optional' === $source_object->card->three_d_secure ) ) ) {
+				if (($source_object && ! empty($source_object->card)) && ('card' === $source_object->type && 'required' === $source_object->card->three_d_secure || ($this->three_d_secure && 'optional' === $source_object->card->three_d_secure))) {
 
-					$response = $this->create_3ds_source( $order, $source_object );
+					$response = $this->create_3ds_source($order, $source_object);
 
-					if ( ! empty( $response->error ) ) {
+					if ( ! empty($response->error)) {
 						$localized_message = $response->error->message;
 
-						$order->add_order_note( $localized_message );
+						$order->add_order_note($localized_message);
 
-						throw new WC_Stripe_Exception( print_r( $response, true ), $localized_message );
+						throw new WC_Stripe_Exception(print_r($response, true), $localized_message);
 					}
 
 					// Update order meta with 3DS source.
-					if ( WC_Stripe_Helper::is_pre_30() ) {
-						update_post_meta( $order_id, '_stripe_source_id', $response->id );
+					if (WC_Stripe_Helper::is_pre_30()) {
+						update_post_meta($order_id, '_stripe_source_id', $response->id);
 					} else {
-						$order->update_meta_data( '_stripe_source_id', $response->id );
+						$order->update_meta_data('_stripe_source_id', $response->id);
 						$order->save();
 					}
 
-					WC_Stripe_Logger::log( 'Info: Redirecting to 3DS...' );
+					WC_Stripe_Logger::log('Info: Redirecting to 3DS...');
 
 					return array(
 						'result'   => 'success',
-						'redirect' => esc_url_raw( $response->redirect->url ),
+						'redirect' => esc_url_raw($response->redirect->url),
 					);
 				}
 
-				WC_Stripe_Logger::log( "Info: Begin processing payment for order $order_id for the amount of {$order->get_total()}" );
+				WC_Stripe_Logger::log("Info: Begin processing payment for order $order_id for the amount of {$order->get_total()}");
 
 				// Make the request.
-				$response = WC_Stripe_API::request( $this->generate_payment_request( $order, $prepared_source ) );
+				$response = WC_Stripe_API::request($this->generate_payment_request($order, $prepared_source));
 
-				if ( ! empty( $response->error ) ) {
+				if ( ! empty($response->error)) {
 					// If it is an API error such connection or server, let's retry.
-					if ( 'api_connection_error' === $response->error->type || 'api_error' === $response->error->type ) {
-						if ( $retry ) {
-							sleep( 5 );
-							return $this->process_payment( $order_id, false, $force_save_source );
+					if ('api_connection_error' === $response->error->type || 'api_error' === $response->error->type) {
+						if ($retry) {
+							sleep(5);
+							return $this->process_payment($order_id, false, $force_save_source);
 						} else {
 							$localized_message = 'API connection error and retries exhausted.';
-							$order->add_order_note( $localized_message );
-							throw new WC_Stripe_Exception( print_r( $response, true ), $localized_message );
+							$order->add_order_note($localized_message);
+							throw new WC_Stripe_Exception(print_r($response, true), $localized_message);
 						}
 					}
 
 					// Customer param wrong? The user may have been deleted on stripe's end. Remove customer_id. Can be retried without.
-					if ( preg_match( '/No such customer/i', $response->error->message ) && $retry ) {
-						delete_user_meta( WC_Stripe_Helper::is_pre_30() ? $order->customer_user : $order->get_customer_id(), '_stripe_customer_id' );
+					if (preg_match('/No such customer/i', $response->error->message) && $retry) {
+						delete_user_meta(WC_Stripe_Helper::is_pre_30() ? $order->customer_user : $order->get_customer_id(), '_stripe_customer_id');
 
-						return $this->process_payment( $order_id, false, $force_save_source );
-					} elseif ( preg_match( '/No such token/i', $response->error->message ) && $prepared_source->token_id ) {
+						return $this->process_payment($order_id, false, $force_save_source);
+					} elseif (preg_match('/No such token/i', $response->error->message) && $prepared_source->token_id) {
 						// Source param wrong? The CARD may have been deleted on stripe's end. Remove token and show message.
-						$wc_token = WC_Payment_Tokens::get( $prepared_source->token_id );
+						$wc_token = WC_Payment_Tokens::get($prepared_source->token_id);
 						$wc_token->delete();
-						$localized_message = __( 'This card is no longer available and has been removed.', 'woocommerce-gateway-stripe' );
-						$order->add_order_note( $localized_message );
-						throw new WC_Stripe_Exception( print_r( $response, true ), $localized_message );
+						$localized_message = __('This card is no longer available and has been removed.', 'woocommerce-gateway-stripe');
+						$order->add_order_note($localized_message);
+						throw new WC_Stripe_Exception(print_r($response, true), $localized_message);
 					}
 
 					$localized_messages = WC_Stripe_Helper::get_localized_messages();
 
-					if ( 'card_error' === $response->error->type ) {
-						$localized_message = isset( $localized_messages[ $response->error->code ] ) ? $localized_messages[ $response->error->code ] : $response->error->message;
+					if ('card_error' === $response->error->type) {
+						$localized_message = isset($localized_messages[$response->error->code]) ? $localized_messages[$response->error->code] : $response->error->message;
 					} else {
-						$localized_message = isset( $localized_messages[ $response->error->type ] ) ? $localized_messages[ $response->error->type ] : $response->error->message;
+						$localized_message = isset($localized_messages[$response->error->type]) ? $localized_messages[$response->error->type] : $response->error->message;
 					}
 
-					$order->add_order_note( $localized_message );
+					$order->add_order_note($localized_message);
 
-					throw new WC_Stripe_Exception( print_r( $response, true ), $localized_message );
+					throw new WC_Stripe_Exception(print_r($response, true), $localized_message);
 				}
 
-				do_action( 'wc_gateway_stripe_process_payment', $response, $order );
+				do_action('wc_gateway_stripe_process_payment', $response, $order);
 
 				// Process valid response.
-				$this->process_response( $response, $order );
+				$this->process_response($response, $order);
 			} else {
 				$order->payment_complete();
 			}
@@ -766,17 +766,17 @@ 
 			// Return thank you page redirect.
 			return array(
 				'result'   => 'success',
-				'redirect' => $this->get_return_url( $order ),
+				'redirect' => $this->get_return_url($order),
 			);
 
-		} catch ( WC_Stripe_Exception $e ) {
-			wc_add_notice( $e->getLocalizedMessage(), 'error' );
-			WC_Stripe_Logger::log( 'Error: ' . $e->getMessage() );
+		} catch (WC_Stripe_Exception $e) {
+			wc_add_notice($e->getLocalizedMessage(), 'error');
+			WC_Stripe_Logger::log('Error: ' . $e->getMessage());
 
-			do_action( 'wc_gateway_stripe_process_payment_error', $e, $order );
+			do_action('wc_gateway_stripe_process_payment_error', $e, $order);
 
-			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 array(

includes/payment-methods/class-wc-stripe-payment-request.php

Spacing +268 added lines, -268 removed lines

@@ -6,7 +6,7 @@ 
  * @since   3.1.0
  */
 
-if ( ! defined( 'ABSPATH' ) ) {
+if ( ! defined('ABSPATH')) {
 	exit;
 }
 
@@ -56,35 +56,35 @@ 
 	 * @version 4.0.0
 	 */
 	public function __construct() {
-		$this->stripe_settings         = get_option( 'woocommerce_stripe_settings', array() );
-		$this->testmode                = ( ! empty( $this->stripe_settings['testmode'] ) && 'yes' === $this->stripe_settings['testmode'] ) ? true : false;
-		$this->publishable_key         = ! empty( $this->stripe_settings['publishable_key'] ) ? $this->stripe_settings['publishable_key'] : '';
-		$this->stripe_checkout_enabled = isset( $this->stripe_settings['stripe_checkout'] ) && 'yes' === $this->stripe_settings['stripe_checkout'];
-		$this->total_label             = ! empty( $this->stripe_settings['statement_descriptor'] ) ? WC_Stripe_Helper::clean_statement_descriptor( $this->stripe_settings['statement_descriptor'] ) : '';
-
-		if ( $this->testmode ) {
-			$this->publishable_key = ! empty( $this->stripe_settings['test_publishable_key'] ) ? $this->stripe_settings['test_publishable_key'] : '';
+		$this->stripe_settings         = get_option('woocommerce_stripe_settings', array());
+		$this->testmode                = ( ! empty($this->stripe_settings['testmode']) && 'yes' === $this->stripe_settings['testmode']) ? true : false;
+		$this->publishable_key         = ! empty($this->stripe_settings['publishable_key']) ? $this->stripe_settings['publishable_key'] : '';
+		$this->stripe_checkout_enabled = isset($this->stripe_settings['stripe_checkout']) && 'yes' === $this->stripe_settings['stripe_checkout'];
+		$this->total_label             = ! empty($this->stripe_settings['statement_descriptor']) ? WC_Stripe_Helper::clean_statement_descriptor($this->stripe_settings['statement_descriptor']) : '';
+
+		if ($this->testmode) {
+			$this->publishable_key = ! empty($this->stripe_settings['test_publishable_key']) ? $this->stripe_settings['test_publishable_key'] : '';
 		}
 
 		// If both site title and statement descriptor is not set. Fallback.
-		if ( empty( $this->total_label ) ) {
+		if (empty($this->total_label)) {
 			$this->total_label = $_SERVER['SERVER_NAME'];
 		}
 
-		$this->total_label = str_replace( "'", '', $this->total_label ) . apply_filters( 'wc_stripe_payment_request_total_label_suffix', ' (via WooCommerce)' );
+		$this->total_label = str_replace("'", '', $this->total_label) . apply_filters('wc_stripe_payment_request_total_label_suffix', ' (via WooCommerce)');
 
 		// Checks if Stripe Gateway is enabled.
-		if ( empty( $this->stripe_settings ) || ( isset( $this->stripe_settings['enabled'] ) && 'yes' !== $this->stripe_settings['enabled'] ) ) {
+		if (empty($this->stripe_settings) || (isset($this->stripe_settings['enabled']) && 'yes' !== $this->stripe_settings['enabled'])) {
 			return;
 		}
 
 		// Checks if Payment Request is enabled.
-		if ( ! isset( $this->stripe_settings['payment_request'] ) || 'yes' !== $this->stripe_settings['payment_request'] ) {
+		if ( ! isset($this->stripe_settings['payment_request']) || 'yes' !== $this->stripe_settings['payment_request']) {
 			return;
 		}
 
 		// Don't load for change payment method page.
-		if ( isset( $_GET['change_payment_method'] ) ) {
+		if (isset($_GET['change_payment_method'])) {
 			return;
 		}
 
@@ -98,42 +98,42 @@ 
 	 * @version 4.0.0
 	 */
 	protected function init() {
-		add_action( 'wp_enqueue_scripts', array( $this, 'scripts' ) );
-		add_action( 'wp', array( $this, 'set_session' ) );
+		add_action('wp_enqueue_scripts', array($this, 'scripts'));
+		add_action('wp', array($this, 'set_session'));
 
 		/*
 		 * In order to display the Payment Request button in the correct position,
 		 * a new hook was added to WooCommerce 3.0. In older versions of WooCommerce,
 		 * CSS is used to position the button.
 		 */
-		if ( WC_Stripe_Helper::is_pre_30() ) {
-			add_action( 'woocommerce_after_add_to_cart_button', array( $this, 'display_payment_request_button_html' ), 1 );
-			add_action( 'woocommerce_after_add_to_cart_button', array( $this, 'display_payment_request_button_separator_html' ), 2 );
+		if (WC_Stripe_Helper::is_pre_30()) {
+			add_action('woocommerce_after_add_to_cart_button', array($this, 'display_payment_request_button_html'), 1);
+			add_action('woocommerce_after_add_to_cart_button', array($this, 'display_payment_request_button_separator_html'), 2);
 		} else {
-			add_action( 'woocommerce_after_add_to_cart_quantity', array( $this, 'display_payment_request_button_html' ), 1 );
-			add_action( 'woocommerce_after_add_to_cart_quantity', array( $this, 'display_payment_request_button_separator_html' ), 2 );
+			add_action('woocommerce_after_add_to_cart_quantity', array($this, 'display_payment_request_button_html'), 1);
+			add_action('woocommerce_after_add_to_cart_quantity', array($this, 'display_payment_request_button_separator_html'), 2);
 		}
 
-		add_action( 'woocommerce_proceed_to_checkout', array( $this, 'display_payment_request_button_html' ), 1 );
-		add_action( 'woocommerce_proceed_to_checkout', array( $this, 'display_payment_request_button_separator_html' ), 2 );
+		add_action('woocommerce_proceed_to_checkout', array($this, 'display_payment_request_button_html'), 1);
+		add_action('woocommerce_proceed_to_checkout', array($this, 'display_payment_request_button_separator_html'), 2);
 
-		if ( apply_filters( 'wc_stripe_show_payment_request_on_checkout', false ) ) {
-			add_action( 'woocommerce_checkout_before_customer_details', array( $this, 'display_payment_request_button_html' ), 1 );
-			add_action( 'woocommerce_checkout_before_customer_details', array( $this, 'display_payment_request_button_separator_html' ), 2 );
+		if (apply_filters('wc_stripe_show_payment_request_on_checkout', false)) {
+			add_action('woocommerce_checkout_before_customer_details', array($this, 'display_payment_request_button_html'), 1);
+			add_action('woocommerce_checkout_before_customer_details', array($this, 'display_payment_request_button_separator_html'), 2);
 		}
 
-		add_action( 'wc_ajax_wc_stripe_get_cart_details', array( $this, 'ajax_get_cart_details' ) );
-		add_action( 'wc_ajax_wc_stripe_get_shipping_options', array( $this, 'ajax_get_shipping_options' ) );
-		add_action( 'wc_ajax_wc_stripe_update_shipping_method', array( $this, 'ajax_update_shipping_method' ) );
-		add_action( 'wc_ajax_wc_stripe_create_order', array( $this, 'ajax_create_order' ) );
-		add_action( 'wc_ajax_wc_stripe_add_to_cart', array( $this, 'ajax_add_to_cart' ) );
-		add_action( 'wc_ajax_wc_stripe_get_selected_product_data', array( $this, 'ajax_get_selected_product_data' ) );
-		add_action( 'wc_ajax_wc_stripe_clear_cart', array( $this, 'ajax_clear_cart' ) );
-		add_action( 'wc_ajax_wc_stripe_log_errors', array( $this, 'ajax_log_errors' ) );
+		add_action('wc_ajax_wc_stripe_get_cart_details', array($this, 'ajax_get_cart_details'));
+		add_action('wc_ajax_wc_stripe_get_shipping_options', array($this, 'ajax_get_shipping_options'));
+		add_action('wc_ajax_wc_stripe_update_shipping_method', array($this, 'ajax_update_shipping_method'));
+		add_action('wc_ajax_wc_stripe_create_order', array($this, 'ajax_create_order'));
+		add_action('wc_ajax_wc_stripe_add_to_cart', array($this, 'ajax_add_to_cart'));
+		add_action('wc_ajax_wc_stripe_get_selected_product_data', array($this, 'ajax_get_selected_product_data'));
+		add_action('wc_ajax_wc_stripe_clear_cart', array($this, 'ajax_clear_cart'));
+		add_action('wc_ajax_wc_stripe_log_errors', array($this, 'ajax_log_errors'));
 
-		add_filter( 'woocommerce_gateway_title', array( $this, 'filter_gateway_title' ), 10, 2 );
+		add_filter('woocommerce_gateway_title', array($this, 'filter_gateway_title'), 10, 2);
 
-		add_action( 'woocommerce_checkout_order_processed', array( $this, 'add_order_meta' ), 10, 3 );
+		add_action('woocommerce_checkout_order_processed', array($this, 'add_order_meta'), 10, 3);
 	}
 
 	/**
@@ -143,11 +143,11 @@ 
 	 * @since 4.0.0
 	 */
 	public function set_session() {
-		if ( ! is_user_logged_in() ) {
+		if ( ! is_user_logged_in()) {
 			$wc_session = new WC_Session_Handler();
 
-			if ( ! $wc_session->has_session() ) {
-				$wc_session->set_customer_session_cookie( true );
+			if ( ! $wc_session->has_session()) {
+				$wc_session->set_customer_session_cookie(true);
 			}
 		}
 	}
@@ -160,7 +160,7 @@ 
 	 * @return string
 	 */
 	public function get_button_type() {
-		return isset( $this->stripe_settings['payment_request_button_type'] ) ? $this->stripe_settings['payment_request_button_type'] : 'default';
+		return isset($this->stripe_settings['payment_request_button_type']) ? $this->stripe_settings['payment_request_button_type'] : 'default';
 	}
 
 	/**
@@ -171,7 +171,7 @@ 
 	 * @return string
 	 */
 	public function get_button_theme() {
-		return isset( $this->stripe_settings['payment_request_button_theme'] ) ? $this->stripe_settings['payment_request_button_theme'] : 'dark';
+		return isset($this->stripe_settings['payment_request_button_theme']) ? $this->stripe_settings['payment_request_button_theme'] : 'dark';
 	}
 
 	/**
@@ -182,7 +182,7 @@ 
 	 * @return string
 	 */
 	public function get_button_height() {
-		return isset( $this->stripe_settings['payment_request_button_height'] ) ? str_replace( 'px', '', $this->stripe_settings['payment_request_button_height'] ) : '64';
+		return isset($this->stripe_settings['payment_request_button_height']) ? str_replace('px', '', $this->stripe_settings['payment_request_button_height']) : '64';
 	}
 
 	/**
@@ -192,40 +192,40 @@ 
 	 * @version 4.0.0
 	 */
 	public function get_product_data() {
-		if ( ! is_product() ) {
+		if ( ! is_product()) {
 			return false;
 		}
 
 		global $post;
 
-		$product = wc_get_product( $post->ID );
+		$product = wc_get_product($post->ID);
 
 		$data  = array();
 		$items = array();
 
 		$items[] = array(
 			'label'  => WC_Stripe_Helper::is_pre_30() ? $product->name : $product->get_name(),
-			'amount' => WC_Stripe_Helper::get_stripe_amount( WC_Stripe_Helper::is_pre_30() ? $product->price : $product->get_price() ),
+			'amount' => WC_Stripe_Helper::get_stripe_amount(WC_Stripe_Helper::is_pre_30() ? $product->price : $product->get_price()),
 		);
 
-		if ( wc_tax_enabled() ) {
+		if (wc_tax_enabled()) {
 			$items[] = array(
-				'label'   => __( 'Tax', 'woocommerce-gateway-stripe' ),
+				'label'   => __('Tax', 'woocommerce-gateway-stripe'),
 				'amount'  => 0,
 				'pending' => true,
 			);
 		}
 
-		if ( wc_shipping_enabled() && $product->needs_shipping() ) {
+		if (wc_shipping_enabled() && $product->needs_shipping()) {
 			$items[] = array(
-				'label'   => __( 'Shipping', 'woocommerce-gateway-stripe' ),
+				'label'   => __('Shipping', 'woocommerce-gateway-stripe'),
 				'amount'  => 0,
 				'pending' => true,
 			);
 
-			$data['shippingOptions']  = array(
+			$data['shippingOptions'] = array(
 				'id'     => 'pending',
-				'label'  => __( 'Pending', 'woocommerce-gateway-stripe' ),
+				'label'  => __('Pending', 'woocommerce-gateway-stripe'),
 				'detail' => '',
 				'amount' => 0,
 			);
@@ -234,13 +234,13 @@ 
 		$data['displayItems'] = $items;
 		$data['total'] = array(
 			'label'   => $this->total_label,
-			'amount'  => WC_Stripe_Helper::get_stripe_amount( WC_Stripe_Helper::is_pre_30() ? $product->price : $product->get_price() ),
+			'amount'  => WC_Stripe_Helper::get_stripe_amount(WC_Stripe_Helper::is_pre_30() ? $product->price : $product->get_price()),
 			'pending' => true,
 		);
 
-		$data['requestShipping'] = ( wc_shipping_enabled() && $product->needs_shipping() );
-		$data['currency']        = strtolower( get_woocommerce_currency() );
-		$data['country_code']    = substr( get_option( 'woocommerce_default_country' ), 0, 2 );
+		$data['requestShipping'] = (wc_shipping_enabled() && $product->needs_shipping());
+		$data['currency']        = strtolower(get_woocommerce_currency());
+		$data['country_code']    = substr(get_option('woocommerce_default_country'), 0, 2);
 
 		return $data;
 	}
@@ -249,25 +249,25 @@ 
 	 * Filters the gateway title to reflect Payment Request type
 	 *
 	 */
-	public function filter_gateway_title( $title, $id ) {
+	public function filter_gateway_title($title, $id) {
 		global $post;
 
-		if ( ! is_object( $post ) ) {
+		if ( ! is_object($post)) {
 			return $title;
 		}
 
-		if ( WC_Stripe_Helper::is_pre_30() ) {
-			$method_title = get_post_meta( $post->ID, '_payment_method_title', true );
+		if (WC_Stripe_Helper::is_pre_30()) {
+			$method_title = get_post_meta($post->ID, '_payment_method_title', true);
 		} else {
-			$order        = wc_get_order( $post->ID );
-			$method_title = is_object( $order ) ? $order->get_payment_method_title() : '';
+			$order        = wc_get_order($post->ID);
+			$method_title = is_object($order) ? $order->get_payment_method_title() : '';
 		}
 
-		if ( 'stripe' === $id && ! empty( $method_title ) && 'Apple Pay (Stripe)' === $method_title ) {
+		if ('stripe' === $id && ! empty($method_title) && 'Apple Pay (Stripe)' === $method_title) {
 			return $method_title;
 		}
 
-		if ( 'stripe' === $id && ! empty( $method_title ) && 'Chrome Payment Request (Stripe)' === $method_title ) {
+		if ('stripe' === $id && ! empty($method_title) && 'Chrome Payment Request (Stripe)' === $method_title) {
 			return $method_title;
 		}
 
@@ -283,27 +283,27 @@ 
 	 * @param array $posted_data The posted data from checkout form.
 	 * @param object $order
 	 */
-	public function add_order_meta( $order_id, $posted_data, $order ) {
-		if ( empty( $_POST['payment_request_type'] ) ) {
+	public function add_order_meta($order_id, $posted_data, $order) {
+		if (empty($_POST['payment_request_type'])) {
 			return;
 		}
 
-		$payment_request_type = wc_clean( $_POST['payment_request_type'] );
+		$payment_request_type = wc_clean($_POST['payment_request_type']);
 
-		if ( 'apple_pay' === $payment_request_type ) {
-			if ( WC_Stripe_Helper::is_pre_30() ) {
-				update_post_meta( $order_id, '_payment_method_title', 'Apple Pay (Stripe)' );
+		if ('apple_pay' === $payment_request_type) {
+			if (WC_Stripe_Helper::is_pre_30()) {
+				update_post_meta($order_id, '_payment_method_title', 'Apple Pay (Stripe)');
 			} else {
-				$order->set_payment_method_title( 'Apple Pay (Stripe)' );
+				$order->set_payment_method_title('Apple Pay (Stripe)');
 				$order->save();
 			}
 		}
 
-		if ( 'payment_request_api' === $payment_request_type ) {
-			if ( WC_Stripe_Helper::is_pre_30() ) {
-				update_post_meta( $order_id, '_payment_method_title', 'Chrome Payment Request (Stripe)' );
+		if ('payment_request_api' === $payment_request_type) {
+			if (WC_Stripe_Helper::is_pre_30()) {
+				update_post_meta($order_id, '_payment_method_title', 'Chrome Payment Request (Stripe)');
 			} else {
-				$order->set_payment_method_title( 'Chrome Payment Request (Stripe)' );
+				$order->set_payment_method_title('Chrome Payment Request (Stripe)');
 				$order->save();
 			}
 		}
@@ -317,11 +317,11 @@ 
 	 * @return array
 	 */
 	public function supported_product_types() {
-		return apply_filters( 'wc_stripe_payment_request_supported_types', array(
+		return apply_filters('wc_stripe_payment_request_supported_types', array(
 			'simple',
 			'variable',
 			'variation',
-		) );
+		));
 	}
 
 	/**
@@ -332,15 +332,15 @@ 
 	 * @return bool
 	 */
 	public function allowed_items_in_cart() {
-		foreach ( WC()->cart->get_cart() as $cart_item_key => $cart_item ) {
-			$_product = apply_filters( 'woocommerce_cart_item_product', $cart_item['data'], $cart_item, $cart_item_key );
+		foreach (WC()->cart->get_cart() as $cart_item_key => $cart_item) {
+			$_product = apply_filters('woocommerce_cart_item_product', $cart_item['data'], $cart_item, $cart_item_key);
 
-			if ( ! in_array( ( WC_Stripe_Helper::is_pre_30() ? $_product->product_type : $_product->get_type() ), $this->supported_product_types() ) ) {
+			if ( ! in_array((WC_Stripe_Helper::is_pre_30() ? $_product->product_type : $_product->get_type()), $this->supported_product_types())) {
 				return false;
 			}
 
 			// Pre Orders compatbility where we don't support charge upon release.
-			if ( class_exists( 'WC_Pre_Orders_Order' ) && WC_Pre_Orders_Cart::cart_contains_pre_order() && WC_Pre_Orders_Product::product_is_charged_upon_release( WC_Pre_Orders_Cart::get_pre_order_product() ) ) {
+			if (class_exists('WC_Pre_Orders_Order') && WC_Pre_Orders_Cart::cart_contains_pre_order() && WC_Pre_Orders_Product::product_is_charged_upon_release(WC_Pre_Orders_Cart::get_pre_order_product())) {
 				return false;
 			}
 		}
@@ -355,71 +355,71 @@ 
 	 * @version 4.0.0
 	 */
 	public function scripts() {
-		if ( ! is_product() && ! is_cart() && ! is_checkout() && ! isset( $_GET['pay_for_order'] ) ) {
+		if ( ! is_product() && ! is_cart() && ! is_checkout() && ! isset($_GET['pay_for_order'])) {
 			return;
 		}
 
-		if ( is_product() ) {
+		if (is_product()) {
 			global $post;
 
-			$product = wc_get_product( $post->ID );
+			$product = wc_get_product($post->ID);
 
-			if ( ! is_object( $product ) || ! in_array( ( WC_Stripe_Helper::is_pre_30() ? $product->product_type : $product->get_type() ), $this->supported_product_types() ) ) {
+			if ( ! is_object($product) || ! in_array((WC_Stripe_Helper::is_pre_30() ? $product->product_type : $product->get_type()), $this->supported_product_types())) {
 				return;
 			}
 
-			if ( apply_filters( 'wc_stripe_hide_payment_request_on_product_page', false ) ) {
+			if (apply_filters('wc_stripe_hide_payment_request_on_product_page', false)) {
 				return;
 			}
 		}
 
-		$suffix = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
+		$suffix = defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ? '' : '.min';
 
-		wp_register_script( 'stripe', 'https://js.stripe.com/v3/', '', '3.0', true );
-		wp_register_script( 'wc_stripe_payment_request', plugins_url( 'assets/js/stripe-payment-request' . $suffix . '.js', WC_STRIPE_MAIN_FILE ), array( 'jquery', 'stripe' ), WC_STRIPE_VERSION, true );
+		wp_register_script('stripe', 'https://js.stripe.com/v3/', '', '3.0', true);
+		wp_register_script('wc_stripe_payment_request', plugins_url('assets/js/stripe-payment-request' . $suffix . '.js', WC_STRIPE_MAIN_FILE), array('jquery', 'stripe'), WC_STRIPE_VERSION, true);
 
 		wp_localize_script(
 			'wc_stripe_payment_request',
 			'wc_stripe_payment_request_params',
 			array(
-				'ajax_url' => WC_AJAX::get_endpoint( '%%endpoint%%' ),
+				'ajax_url' => WC_AJAX::get_endpoint('%%endpoint%%'),
 				'stripe'   => array(
 					'key'                => $this->publishable_key,
-					'allow_prepaid_card' => apply_filters( 'wc_stripe_allow_prepaid_card', true ) ? 'yes' : 'no',
+					'allow_prepaid_card' => apply_filters('wc_stripe_allow_prepaid_card', true) ? 'yes' : 'no',
 				),
 				'nonce'    => array(
-					'payment'                        => wp_create_nonce( 'wc-stripe-payment-request' ),
-					'shipping'                       => wp_create_nonce( 'wc-stripe-payment-request-shipping' ),
-					'update_shipping'                => wp_create_nonce( 'wc-stripe-update-shipping-method' ),
-					'checkout'                       => wp_create_nonce( 'woocommerce-process_checkout' ),
-					'add_to_cart'                    => wp_create_nonce( 'wc-stripe-add-to-cart' ),
-					'get_selected_product_data'      => wp_create_nonce( 'wc-stripe-get-selected-product-data' ),
-					'log_errors'                     => wp_create_nonce( 'wc-stripe-log-errors' ),
-					'clear_cart'                     => wp_create_nonce( 'wc-stripe-clear-cart' ),
+					'payment'                        => wp_create_nonce('wc-stripe-payment-request'),
+					'shipping'                       => wp_create_nonce('wc-stripe-payment-request-shipping'),
+					'update_shipping'                => wp_create_nonce('wc-stripe-update-shipping-method'),
+					'checkout'                       => wp_create_nonce('woocommerce-process_checkout'),
+					'add_to_cart'                    => wp_create_nonce('wc-stripe-add-to-cart'),
+					'get_selected_product_data'      => wp_create_nonce('wc-stripe-get-selected-product-data'),
+					'log_errors'                     => wp_create_nonce('wc-stripe-log-errors'),
+					'clear_cart'                     => wp_create_nonce('wc-stripe-clear-cart'),
 				),
 				'i18n'     => array(
-					'no_prepaid_card'  => __( 'Sorry, we\'re not accepting prepaid cards at this time.', 'woocommerce-gateway-stripe' ),
+					'no_prepaid_card'  => __('Sorry, we\'re not accepting prepaid cards at this time.', 'woocommerce-gateway-stripe'),
 					/* translators: Do not translate the [option] placeholder */
-					'unknown_shipping' => __( 'Unknown shipping option "[option]".', 'woocommerce-gateway-stripe' ),
+					'unknown_shipping' => __('Unknown shipping option "[option]".', 'woocommerce-gateway-stripe'),
 				),
 				'checkout' => array(
 					'url'            => wc_get_checkout_url(),
-					'currency_code'  => strtolower( get_woocommerce_currency() ),
-					'country_code'   => substr( get_option( 'woocommerce_default_country' ), 0, 2 ),
+					'currency_code'  => strtolower(get_woocommerce_currency()),
+					'country_code'   => substr(get_option('woocommerce_default_country'), 0, 2),
 					'needs_shipping' => WC()->cart->needs_shipping() ? 'yes' : 'no',
 				),
 				'button' => array(
 					'type'   => $this->get_button_type(),
 					'theme'  => $this->get_button_theme(),
 					'height' => $this->get_button_height(),
-					'locale' => substr( get_locale(), 0, 2 ), // Default format is en_US.
+					'locale' => substr(get_locale(), 0, 2), // Default format is en_US.
 				),
 				'is_product_page' => is_product(),
 				'product'         => $this->get_product_data(),
 			)
 		);
 
-		wp_enqueue_script( 'wc_stripe_payment_request' );
+		wp_enqueue_script('wc_stripe_payment_request');
 	}
 
 	/**
@@ -431,35 +431,35 @@ 
 	public function display_payment_request_button_html() {
 		$gateways = WC()->payment_gateways->get_available_payment_gateways();
 
-		if ( ! isset( $gateways['stripe'] ) ) {
+		if ( ! isset($gateways['stripe'])) {
 			return;
 		}
 
-		if ( ! is_cart() && ! is_checkout() && ! is_product() && ! isset( $_GET['pay_for_order'] ) ) {
+		if ( ! is_cart() && ! is_checkout() && ! is_product() && ! isset($_GET['pay_for_order'])) {
 			return;
 		}
 
-		if ( is_product() && apply_filters( 'wc_stripe_hide_payment_request_on_product_page', false ) ) {
+		if (is_product() && apply_filters('wc_stripe_hide_payment_request_on_product_page', false)) {
 			return;
 		}
 
-		if ( is_product() ) {
+		if (is_product()) {
 			global $post;
 
-			$product = wc_get_product( $post->ID );
+			$product = wc_get_product($post->ID);
 
-			if ( ! is_object( $product ) || ! in_array( ( WC_Stripe_Helper::is_pre_30() ? $product->product_type : $product->get_type() ), $this->supported_product_types() ) ) {
+			if ( ! is_object($product) || ! in_array((WC_Stripe_Helper::is_pre_30() ? $product->product_type : $product->get_type()), $this->supported_product_types())) {
 				return;
 			}
 
 			// Pre Orders charge upon release not supported.
-			if ( class_exists( 'WC_Pre_Orders_Order' ) && WC_Pre_Orders_Product::product_is_charged_upon_release( $product ) ) {
-				WC_Stripe_Logger::log( 'Pre Order charge upon release is not supported. ( Payment Request button disabled )' );
+			if (class_exists('WC_Pre_Orders_Order') && WC_Pre_Orders_Product::product_is_charged_upon_release($product)) {
+				WC_Stripe_Logger::log('Pre Order charge upon release is not supported. ( Payment Request button disabled )');
 				return;
 			}
 		} else {
-			if ( ! $this->allowed_items_in_cart() ) {
-				WC_Stripe_Logger::log( 'Items in the cart has unsupported product type ( Payment Request button disabled )' );
+			if ( ! $this->allowed_items_in_cart()) {
+				WC_Stripe_Logger::log('Items in the cart has unsupported product type ( Payment Request button disabled )');
 				return;
 			}
 		}
@@ -481,40 +481,40 @@ 
 	public function display_payment_request_button_separator_html() {
 		$gateways = WC()->payment_gateways->get_available_payment_gateways();
 
-		if ( ! isset( $gateways['stripe'] ) ) {
+		if ( ! isset($gateways['stripe'])) {
 			return;
 		}
 
-		if ( ! is_cart() && ! is_checkout() && ! is_product() && ! isset( $_GET['pay_for_order'] ) ) {
+		if ( ! is_cart() && ! is_checkout() && ! is_product() && ! isset($_GET['pay_for_order'])) {
 			return;
 		}
 
-		if ( is_product() && apply_filters( 'wc_stripe_hide_payment_request_on_product_page', false ) ) {
+		if (is_product() && apply_filters('wc_stripe_hide_payment_request_on_product_page', false)) {
 			return;
 		}
 
-		if ( is_product() ) {
+		if (is_product()) {
 			global $post;
 
-			$product = wc_get_product( $post->ID );
+			$product = wc_get_product($post->ID);
 
-			if ( ! is_object( $product ) || ! in_array( ( WC_Stripe_Helper::is_pre_30() ? $product->product_type : $product->get_type() ), $this->supported_product_types() ) ) {
+			if ( ! is_object($product) || ! in_array((WC_Stripe_Helper::is_pre_30() ? $product->product_type : $product->get_type()), $this->supported_product_types())) {
 				return;
 			}
 
 			// Pre Orders charge upon release not supported.
-			if ( class_exists( 'WC_Pre_Orders_Order' ) && WC_Pre_Orders_Product::product_is_charged_upon_release( $product ) ) {
-				WC_Stripe_Logger::log( 'Pre Order charge upon release is not supported. ( Payment Request button disabled )' );
+			if (class_exists('WC_Pre_Orders_Order') && WC_Pre_Orders_Product::product_is_charged_upon_release($product)) {
+				WC_Stripe_Logger::log('Pre Order charge upon release is not supported. ( Payment Request button disabled )');
 				return;
 			}
 		} else {
-			if ( ! $this->allowed_items_in_cart() ) {
-				WC_Stripe_Logger::log( 'Items in the cart has unsupported product type ( Payment Request button disabled )' );
+			if ( ! $this->allowed_items_in_cart()) {
+				WC_Stripe_Logger::log('Items in the cart has unsupported product type ( Payment Request button disabled )');
 				return;
 			}
 		}
 		?>
-		<p id="wc-stripe-payment-request-button-separator" style="margin-top:1.5em;text-align:center;display:none;">- <?php esc_html_e( 'OR', 'woocommerce-gateway-stripe' ); ?> -</p>
+		<p id="wc-stripe-payment-request-button-separator" style="margin-top:1.5em;text-align:center;display:none;">- <?php esc_html_e('OR', 'woocommerce-gateway-stripe'); ?> -</p>
 		<?php
 	}
 
@@ -525,11 +525,11 @@ 
 	 * @version 4.0.0
 	 */
 	public function ajax_log_errors() {
-		check_ajax_referer( 'wc-stripe-log-errors', 'security' );
+		check_ajax_referer('wc-stripe-log-errors', 'security');
 
-		$errors = wc_clean( stripslashes( $_POST['errors'] ) );
+		$errors = wc_clean(stripslashes($_POST['errors']));
 
-		WC_Stripe_Logger::log( $errors );
+		WC_Stripe_Logger::log($errors);
 
 		exit;
 	}
@@ -541,7 +541,7 @@ 
 	 * @version 4.0.0
 	 */
 	public function ajax_clear_cart() {
-		check_ajax_referer( 'wc-stripe-clear-cart', 'security' );
+		check_ajax_referer('wc-stripe-clear-cart', 'security');
 
 		WC()->cart->empty_cart();
 		exit;
@@ -551,10 +551,10 @@ 
 	 * Get cart details.
 	 */
 	public function ajax_get_cart_details() {
-		check_ajax_referer( 'wc-stripe-payment-request', 'security' );
+		check_ajax_referer('wc-stripe-payment-request', 'security');
 
-		if ( ! defined( 'WOOCOMMERCE_CART' ) ) {
-			define( 'WOOCOMMERCE_CART', true );
+		if ( ! defined('WOOCOMMERCE_CART')) {
+			define('WOOCOMMERCE_CART', true);
 		}
 
 		WC()->cart->calculate_totals();
@@ -565,14 +565,14 @@ 
 		$data = array(
 			'shipping_required' => WC()->cart->needs_shipping(),
 			'order_data'        => array(
-				'currency'        => strtolower( $currency ),
-				'country_code'    => substr( get_option( 'woocommerce_default_country' ), 0, 2 ),
+				'currency'        => strtolower($currency),
+				'country_code'    => substr(get_option('woocommerce_default_country'), 0, 2),
 			),
 		);
 
 		$data['order_data'] += $this->build_display_items();
 
-		wp_send_json( $data );
+		wp_send_json($data);
 	}
 
 	/**
@@ -583,47 +583,47 @@ 
 	 * @see WC_Shipping::get_packages().
 	 */
 	public function ajax_get_shipping_options() {
-		check_ajax_referer( 'wc-stripe-payment-request-shipping', 'security' );
+		check_ajax_referer('wc-stripe-payment-request-shipping', 'security');
 
 		try {
 			// Set the shipping package.
-			$posted = filter_input_array( INPUT_POST, array(
+			$posted = filter_input_array(INPUT_POST, array(
 				'country'   => FILTER_SANITIZE_STRING,
 				'state'     => FILTER_SANITIZE_STRING,
 				'postcode'  => FILTER_SANITIZE_STRING,
 				'city'      => FILTER_SANITIZE_STRING,
 				'address'   => FILTER_SANITIZE_STRING,
 				'address_2' => FILTER_SANITIZE_STRING,
-			) );
+			));
 
-			$this->calculate_shipping( $posted );
+			$this->calculate_shipping($posted);
 
 			// Set the shipping options.
 			$data     = array();
 			$packages = WC()->shipping->get_packages();
 
-			if ( ! empty( $packages ) && WC()->customer->has_calculated_shipping() ) {
-				foreach ( $packages as $package_key => $package ) {
-					if ( empty( $package['rates'] ) ) {
-						throw new Exception( __( 'Unable to find shipping method for address.', 'woocommerce-gateway-stripe' ) );
+			if ( ! empty($packages) && WC()->customer->has_calculated_shipping()) {
+				foreach ($packages as $package_key => $package) {
+					if (empty($package['rates'])) {
+						throw new Exception(__('Unable to find shipping method for address.', 'woocommerce-gateway-stripe'));
 					}
 
-					foreach ( $package['rates'] as $key => $rate ) {
+					foreach ($package['rates'] as $key => $rate) {
 						$data['shipping_options'][] = array(
 							'id'       => $rate->id,
 							'label'    => $rate->label,
 							'detail'   => '',
-							'amount'   => WC_Stripe_Helper::get_stripe_amount( $rate->cost ),
+							'amount'   => WC_Stripe_Helper::get_stripe_amount($rate->cost),
 						);
 					}
 				}
 			} else {
-				throw new Exception( __( 'Unable to find shipping method for address.', 'woocommerce-gateway-stripe' ) );
+				throw new Exception(__('Unable to find shipping method for address.', 'woocommerce-gateway-stripe'));
 			}
 
-			if ( isset( $data[0] ) ) {
+			if (isset($data[0])) {
 				// Auto select the first shipping method.
-				WC()->session->set( 'chosen_shipping_methods', array( $data[0]['id'] ) );
+				WC()->session->set('chosen_shipping_methods', array($data[0]['id']));
 			}
 
 			WC()->cart->calculate_totals();
@@ -631,12 +631,12 @@ 
 			$data += $this->build_display_items();
 			$data['result'] = 'success';
 
-			wp_send_json( $data );
-		} catch ( Exception $e ) {
+			wp_send_json($data);
+		} catch (Exception $e) {
 			$data += $this->build_display_items();
 			$data['result'] = 'invalid_shipping_address';
 
-			wp_send_json( $data );
+			wp_send_json($data);
 		}
 	}
 
@@ -644,22 +644,22 @@ 
 	 * Update shipping method.
 	 */
 	public function ajax_update_shipping_method() {
-		check_ajax_referer( 'wc-stripe-update-shipping-method', 'security' );
+		check_ajax_referer('wc-stripe-update-shipping-method', 'security');
 
-		if ( ! defined( 'WOOCOMMERCE_CART' ) ) {
-			define( 'WOOCOMMERCE_CART', true );
+		if ( ! defined('WOOCOMMERCE_CART')) {
+			define('WOOCOMMERCE_CART', true);
 		}
 
-		$chosen_shipping_methods = WC()->session->get( 'chosen_shipping_methods' );
-		$shipping_method         = filter_input( INPUT_POST, 'shipping_method', FILTER_DEFAULT, FILTER_REQUIRE_ARRAY );
+		$chosen_shipping_methods = WC()->session->get('chosen_shipping_methods');
+		$shipping_method         = filter_input(INPUT_POST, 'shipping_method', FILTER_DEFAULT, FILTER_REQUIRE_ARRAY);
 
-		if ( is_array( $shipping_method ) ) {
-			foreach ( $shipping_method as $i => $value ) {
-				$chosen_shipping_methods[ $i ] = wc_clean( $value );
+		if (is_array($shipping_method)) {
+			foreach ($shipping_method as $i => $value) {
+				$chosen_shipping_methods[$i] = wc_clean($value);
 			}
 		}
 
-		WC()->session->set( 'chosen_shipping_methods', $chosen_shipping_methods );
+		WC()->session->set('chosen_shipping_methods', $chosen_shipping_methods);
 
 		WC()->cart->calculate_totals();
 
@@ -667,7 +667,7 @@ 
 		$data += $this->build_display_items();
 		$data['result'] = 'success';
 
-		wp_send_json( $data );
+		wp_send_json($data);
 	}
 
 	/**
@@ -678,31 +678,31 @@ 
 	 * @return array $data
 	 */
 	public function ajax_get_selected_product_data() {
-		check_ajax_referer( 'wc-stripe-get-selected-product-data', 'security' );
+		check_ajax_referer('wc-stripe-get-selected-product-data', 'security');
 
-		$product_id = absint( $_POST['product_id'] );
-		$qty = ! isset( $_POST['qty'] ) ? 1 : absint( $_POST['qty'] );
+		$product_id = absint($_POST['product_id']);
+		$qty = ! isset($_POST['qty']) ? 1 : absint($_POST['qty']);
 
-		$product = wc_get_product( $product_id );
+		$product = wc_get_product($product_id);
 
-		if ( 'variable' === ( WC_Stripe_Helper::is_pre_30() ? $product->product_type : $product->get_type() ) && isset( $_POST['attributes'] ) ) {
-			$attributes = array_map( 'wc_clean', $_POST['attributes'] );
+		if ('variable' === (WC_Stripe_Helper::is_pre_30() ? $product->product_type : $product->get_type()) && isset($_POST['attributes'])) {
+			$attributes = array_map('wc_clean', $_POST['attributes']);
 
-			if ( WC_Stripe_Helper::is_pre_30() ) {
-				$variation_id = $product->get_matching_variation( $attributes );
+			if (WC_Stripe_Helper::is_pre_30()) {
+				$variation_id = $product->get_matching_variation($attributes);
 			} else {
-				$data_store = WC_Data_Store::load( 'product' );
-				$variation_id = $data_store->find_matching_product_variation( $product, $attributes );
+				$data_store = WC_Data_Store::load('product');
+				$variation_id = $data_store->find_matching_product_variation($product, $attributes);
 			}
 
-			if ( ! empty( $variation_id ) ) {
-				$product = wc_get_product( $variation_id );
+			if ( ! empty($variation_id)) {
+				$product = wc_get_product($variation_id);
 			}
-		} elseif ( 'simple' === ( WC_Stripe_Helper::is_pre_30() ? $product->product_type : $product->get_type() ) ) {
-			$product = wc_get_product( $product_id );
+		} elseif ('simple' === (WC_Stripe_Helper::is_pre_30() ? $product->product_type : $product->get_type())) {
+			$product = wc_get_product($product_id);
 		}
 
-		$total = $qty * ( WC_Stripe_Helper::is_pre_30() ? $product->price : $product->get_price() );
+		$total = $qty * (WC_Stripe_Helper::is_pre_30() ? $product->price : $product->get_price());
 
 		$quantity_label = 1 < $qty ? ' (x' . $qty . ')' : '';
 
@@ -710,28 +710,28 @@ 
 		$items = array();
 
 		$items[] = array(
-			'label'  => ( WC_Stripe_Helper::is_pre_30() ? $product->name : $product->get_name() ) . $quantity_label,
-			'amount' => WC_Stripe_Helper::get_stripe_amount( $total ),
+			'label'  => (WC_Stripe_Helper::is_pre_30() ? $product->name : $product->get_name()) . $quantity_label,
+			'amount' => WC_Stripe_Helper::get_stripe_amount($total),
 		);
 
-		if ( wc_tax_enabled() ) {
+		if (wc_tax_enabled()) {
 			$items[] = array(
-				'label'   => __( 'Tax', 'woocommerce-gateway-stripe' ),
+				'label'   => __('Tax', 'woocommerce-gateway-stripe'),
 				'amount'  => 0,
 				'pending' => true,
 			);
 		}
 
-		if ( wc_shipping_enabled() && $product->needs_shipping() ) {
+		if (wc_shipping_enabled() && $product->needs_shipping()) {
 			$items[] = array(
-				'label'   => __( 'Shipping', 'woocommerce-gateway-stripe' ),
+				'label'   => __('Shipping', 'woocommerce-gateway-stripe'),
 				'amount'  => 0,
 				'pending' => true,
 			);
 
-			$data['shippingOptions']  = array(
+			$data['shippingOptions'] = array(
 				'id'     => 'pending',
-				'label'  => __( 'Pending', 'woocommerce-gateway-stripe' ),
+				'label'  => __('Pending', 'woocommerce-gateway-stripe'),
 				'detail' => '',
 				'amount' => 0,
 			);
@@ -740,15 +740,15 @@ 
 		$data['displayItems'] = $items;
 		$data['total'] = array(
 			'label'   => $this->total_label,
-			'amount'  => WC_Stripe_Helper::get_stripe_amount( $total ),
+			'amount'  => WC_Stripe_Helper::get_stripe_amount($total),
 			'pending' => true,
 		);
 
-		$data['requestShipping'] = ( wc_shipping_enabled() && $product->needs_shipping() );
-		$data['currency']        = strtolower( get_woocommerce_currency() );
-		$data['country_code']    = substr( get_option( 'woocommerce_default_country' ), 0, 2 );
+		$data['requestShipping'] = (wc_shipping_enabled() && $product->needs_shipping());
+		$data['currency']        = strtolower(get_woocommerce_currency());
+		$data['country_code']    = substr(get_option('woocommerce_default_country'), 0, 2);
 
-		wp_send_json( $data );
+		wp_send_json($data);
 	}
 
 	/**
@@ -759,37 +759,37 @@ 
 	 * @return array $data
 	 */
 	public function ajax_add_to_cart() {
-		check_ajax_referer( 'wc-stripe-add-to-cart', 'security' );
+		check_ajax_referer('wc-stripe-add-to-cart', 'security');
 
-		if ( ! defined( 'WOOCOMMERCE_CART' ) ) {
-			define( 'WOOCOMMERCE_CART', true );
+		if ( ! defined('WOOCOMMERCE_CART')) {
+			define('WOOCOMMERCE_CART', true);
 		}
 
 		WC()->shipping->reset_shipping();
 
-		$product_id = absint( $_POST['product_id'] );
-		$qty = ! isset( $_POST['qty'] ) ? 1 : absint( $_POST['qty'] );
+		$product_id = absint($_POST['product_id']);
+		$qty = ! isset($_POST['qty']) ? 1 : absint($_POST['qty']);
 
-		$product = wc_get_product( $product_id );
+		$product = wc_get_product($product_id);
 
 		// First empty the cart to prevent wrong calculation.
 		WC()->cart->empty_cart();
 
-		if ( 'variable' === ( WC_Stripe_Helper::is_pre_30() ? $product->product_type : $product->get_type() ) && isset( $_POST['attributes'] ) ) {
-			$attributes = array_map( 'wc_clean', $_POST['attributes'] );
+		if ('variable' === (WC_Stripe_Helper::is_pre_30() ? $product->product_type : $product->get_type()) && isset($_POST['attributes'])) {
+			$attributes = array_map('wc_clean', $_POST['attributes']);
 
-			if ( WC_Stripe_Helper::is_pre_30() ) {
-				$variation_id = $product->get_matching_variation( $attributes );
+			if (WC_Stripe_Helper::is_pre_30()) {
+				$variation_id = $product->get_matching_variation($attributes);
 			} else {
-				$data_store = WC_Data_Store::load( 'product' );
-				$variation_id = $data_store->find_matching_product_variation( $product, $attributes );
+				$data_store = WC_Data_Store::load('product');
+				$variation_id = $data_store->find_matching_product_variation($product, $attributes);
 			}
 
-			WC()->cart->add_to_cart( $product->get_id(), $qty, $variation_id, $attributes );
+			WC()->cart->add_to_cart($product->get_id(), $qty, $variation_id, $attributes);
 		}
 
-		if ( 'simple' === ( WC_Stripe_Helper::is_pre_30() ? $product->product_type : $product->get_type() ) ) {
-			WC()->cart->add_to_cart( $product->get_id(), $qty );
+		if ('simple' === (WC_Stripe_Helper::is_pre_30() ? $product->product_type : $product->get_type())) {
+			WC()->cart->add_to_cart($product->get_id(), $qty);
 		}
 
 		WC()->cart->calculate_totals();
@@ -798,7 +798,7 @@ 
 		$data += $this->build_display_items();
 		$data['result'] = 'success';
 
-		wp_send_json( $data );
+		wp_send_json($data);
 	}
 
 	/**
@@ -811,31 +811,31 @@ 
 	 * @version 4.0.0
 	 */
 	public function normalize_state() {
-		$billing_country  = ! empty( $_POST['billing_country'] ) ? wc_clean( $_POST['billing_country'] ) : '';
-		$shipping_country = ! empty( $_POST['shipping_country'] ) ? wc_clean( $_POST['shipping_country'] ) : '';
-		$billing_state    = ! empty( $_POST['billing_state'] ) ? wc_clean( $_POST['billing_state'] ) : '';
-		$shipping_state   = ! empty( $_POST['shipping_state'] ) ? wc_clean( $_POST['shipping_state'] ) : '';
+		$billing_country  = ! empty($_POST['billing_country']) ? wc_clean($_POST['billing_country']) : '';
+		$shipping_country = ! empty($_POST['shipping_country']) ? wc_clean($_POST['shipping_country']) : '';
+		$billing_state    = ! empty($_POST['billing_state']) ? wc_clean($_POST['billing_state']) : '';
+		$shipping_state   = ! empty($_POST['shipping_state']) ? wc_clean($_POST['shipping_state']) : '';
 
-		if ( $billing_state && $billing_country ) {
-			$valid_states = WC()->countries->get_states( $billing_country );
+		if ($billing_state && $billing_country) {
+			$valid_states = WC()->countries->get_states($billing_country);
 
 			// Valid states found for country.
-			if ( ! empty( $valid_states ) && is_array( $valid_states ) && sizeof( $valid_states ) > 0 ) {
-				foreach ( $valid_states as $state_abbr => $state ) {
-					if ( preg_match( '/' . preg_quote( $state ) . '/i', $billing_state ) ) {
+			if ( ! empty($valid_states) && is_array($valid_states) && sizeof($valid_states) > 0) {
+				foreach ($valid_states as $state_abbr => $state) {
+					if (preg_match('/' . preg_quote($state) . '/i', $billing_state)) {
 						$_POST['billing_state'] = $state_abbr;
 					}
 				}
 			}
 		}
 
-		if ( $shipping_state && $shipping_country ) {
-			$valid_states = WC()->countries->get_states( $shipping_country );
+		if ($shipping_state && $shipping_country) {
+			$valid_states = WC()->countries->get_states($shipping_country);
 
 			// Valid states found for country.
-			if ( ! empty( $valid_states ) && is_array( $valid_states ) && sizeof( $valid_states ) > 0 ) {
-				foreach ( $valid_states as $state_abbr => $state ) {
-					if ( preg_match( '/' . preg_quote( $state ) . '/i', $shipping_state ) ) {
+			if ( ! empty($valid_states) && is_array($valid_states) && sizeof($valid_states) > 0) {
+				foreach ($valid_states as $state_abbr => $state) {
+					if (preg_match('/' . preg_quote($state) . '/i', $shipping_state)) {
 						$_POST['shipping_state'] = $state_abbr;
 					}
 				}
@@ -850,19 +850,19 @@ 
 	 * @version 4.0.0
 	 */
 	public function ajax_create_order() {
-		if ( WC()->cart->is_empty() ) {
-			wp_send_json_error( __( 'Empty cart', 'woocommerce-gateway-stripe' ) );
+		if (WC()->cart->is_empty()) {
+			wp_send_json_error(__('Empty cart', 'woocommerce-gateway-stripe'));
 		}
 
-		if ( ! defined( 'WOOCOMMERCE_CHECKOUT' ) ) {
-			define( 'WOOCOMMERCE_CHECKOUT', true );
+		if ( ! defined('WOOCOMMERCE_CHECKOUT')) {
+			define('WOOCOMMERCE_CHECKOUT', true);
 		}
 
 		$this->normalize_state();
 
 		WC()->checkout()->process_checkout();
 
-		die( 0 );
+		die(0);
 	}
 
 	/**
@@ -872,7 +872,7 @@ 
 	 * @version 4.0.0
 	 * @param array $address
 	 */
-	protected function calculate_shipping( $address = array() ) {
+	protected function calculate_shipping($address = array()) {
 		global $states;
 
 		$country   = $address['country'];
@@ -889,28 +889,28 @@ 
 		 * In some versions of Chrome, state can be a full name. So we need
 		 * to convert that to abbreviation as WC is expecting that.
 		 */
-		if ( 2 < strlen( $state ) ) {
-			$state = array_search( ucfirst( strtolower( $state ) ), $states[ $country ] );
+		if (2 < strlen($state)) {
+			$state = array_search(ucfirst(strtolower($state)), $states[$country]);
 		}
 
 		WC()->shipping->reset_shipping();
 
-		if ( $postcode && WC_Validation::is_postcode( $postcode, $country ) ) {
-			$postcode = wc_format_postcode( $postcode, $country );
+		if ($postcode && WC_Validation::is_postcode($postcode, $country)) {
+			$postcode = wc_format_postcode($postcode, $country);
 		}
 
-		if ( $country ) {
-			WC()->customer->set_location( $country, $state, $postcode, $city );
-			WC()->customer->set_shipping_location( $country, $state, $postcode, $city );
+		if ($country) {
+			WC()->customer->set_location($country, $state, $postcode, $city);
+			WC()->customer->set_shipping_location($country, $state, $postcode, $city);
 		} else {
 			WC_Stripe_Helper::is_pre_30() ? WC()->customer->set_to_base() : WC()->customer->set_billing_address_to_base();
 			WC_Stripe_Helper::is_pre_30() ? WC()->customer->set_shipping_to_base() : WC()->customer->set_shipping_address_to_base();
 		}
 
-		if ( WC_Stripe_Helper::is_pre_30() ) {
-			WC()->customer->calculated_shipping( true );
+		if (WC_Stripe_Helper::is_pre_30()) {
+			WC()->customer->calculated_shipping(true);
 		} else {
-			WC()->customer->set_calculated_shipping( true );
+			WC()->customer->set_calculated_shipping(true);
 			WC()->customer->save();
 		}
 
@@ -927,17 +927,17 @@ 
 		$packages[0]['destination']['address']   = $address_1;
 		$packages[0]['destination']['address_2'] = $address_2;
 
-		foreach ( WC()->cart->get_cart() as $item ) {
-			if ( $item['data']->needs_shipping() ) {
-				if ( isset( $item['line_total'] ) ) {
+		foreach (WC()->cart->get_cart() as $item) {
+			if ($item['data']->needs_shipping()) {
+				if (isset($item['line_total'])) {
 					$packages[0]['contents_cost'] += $item['line_total'];
 				}
 			}
 		}
 
-		$packages = apply_filters( 'woocommerce_cart_shipping_packages', $packages );
+		$packages = apply_filters('woocommerce_cart_shipping_packages', $packages);
 
-		WC()->shipping->calculate_shipping( $packages );
+		WC()->shipping->calculate_shipping($packages);
 	}
 
 	/**
@@ -946,19 +946,19 @@ 
 	 * @since 3.1.0
 	 * @version 4.0.0
 	 */
-	protected function build_shipping_methods( $shipping_methods ) {
-		if ( empty( $shipping_methods ) ) {
+	protected function build_shipping_methods($shipping_methods) {
+		if (empty($shipping_methods)) {
 			return array();
 		}
 
 		$shipping = array();
 
-		foreach ( $shipping_methods as $method ) {
+		foreach ($shipping_methods as $method) {
 			$shipping[] = array(
 				'id'         => $method['id'],
 				'label'      => $method['label'],
 				'detail'     => '',
-				'amount'     => WC_Stripe_Helper::get_stripe_amount( $method['amount']['value'] ),
+				'amount'     => WC_Stripe_Helper::get_stripe_amount($method['amount']['value']),
 			);
 		}
 
@@ -972,69 +972,69 @@ 
 	 * @version 4.0.0
 	 */
 	protected function build_display_items() {
-		if ( ! defined( 'WOOCOMMERCE_CART' ) ) {
-			define( 'WOOCOMMERCE_CART', true );
+		if ( ! defined('WOOCOMMERCE_CART')) {
+			define('WOOCOMMERCE_CART', true);
 		}
 
 		$items    = array();
 		$subtotal = 0;
 
 		// Default show only subtotal instead of itemization.
-		if ( ! apply_filters( 'wc_stripe_payment_request_hide_itemization', true ) ) {
-			foreach ( WC()->cart->get_cart() as $cart_item_key => $cart_item ) {
+		if ( ! apply_filters('wc_stripe_payment_request_hide_itemization', true)) {
+			foreach (WC()->cart->get_cart() as $cart_item_key => $cart_item) {
 				$amount         = $cart_item['line_subtotal'];
-				$subtotal       += $cart_item['line_subtotal'];
+				$subtotal += $cart_item['line_subtotal'];
 				$quantity_label = 1 < $cart_item['quantity'] ? ' (x' . $cart_item['quantity'] . ')' : '';
 
 				$product_name = WC_Stripe_Helper::is_pre_30() ? $cart_item['data']->post->post_title : $cart_item['data']->get_name();
 
 				$item = array(
 					'label'  => $product_name . $quantity_label,
-					'amount' => WC_Stripe_Helper::get_stripe_amount( $amount ),
+					'amount' => WC_Stripe_Helper::get_stripe_amount($amount),
 				);
 
 				$items[] = $item;
 			}
 		}
 
-		$discounts   = wc_format_decimal( WC()->cart->get_cart_discount_total(), WC()->cart->dp );
-		$tax         = wc_format_decimal( WC()->cart->tax_total + WC()->cart->shipping_tax_total, WC()->cart->dp );
-		$shipping    = wc_format_decimal( WC()->cart->shipping_total, WC()->cart->dp );
-		$items_total = wc_format_decimal( WC()->cart->cart_contents_total, WC()->cart->dp ) + $discounts;
-		$order_total = wc_format_decimal( $items_total + $tax + $shipping - $discounts, WC()->cart->dp );
+		$discounts   = wc_format_decimal(WC()->cart->get_cart_discount_total(), WC()->cart->dp);
+		$tax         = wc_format_decimal(WC()->cart->tax_total + WC()->cart->shipping_tax_total, WC()->cart->dp);
+		$shipping    = wc_format_decimal(WC()->cart->shipping_total, WC()->cart->dp);
+		$items_total = wc_format_decimal(WC()->cart->cart_contents_total, WC()->cart->dp) + $discounts;
+		$order_total = wc_format_decimal($items_total + $tax + $shipping - $discounts, WC()->cart->dp);
 
-		if ( wc_tax_enabled() ) {
+		if (wc_tax_enabled()) {
 			$items[] = array(
-				'label'  => esc_html( __( 'Tax', 'woocommerce-gateway-stripe' ) ),
-				'amount' => WC_Stripe_Helper::get_stripe_amount( $tax ),
+				'label'  => esc_html(__('Tax', 'woocommerce-gateway-stripe')),
+				'amount' => WC_Stripe_Helper::get_stripe_amount($tax),
 			);
 		}
 
-		if ( WC()->cart->needs_shipping() ) {
+		if (WC()->cart->needs_shipping()) {
 			$items[] = array(
-				'label'  => esc_html( __( 'Shipping', 'woocommerce-gateway-stripe' ) ),
-				'amount' => WC_Stripe_Helper::get_stripe_amount( $shipping ),
+				'label'  => esc_html(__('Shipping', 'woocommerce-gateway-stripe')),
+				'amount' => WC_Stripe_Helper::get_stripe_amount($shipping),
 			);
 		}
 
-		if ( WC()->cart->has_discount() ) {
+		if (WC()->cart->has_discount()) {
 			$items[] = array(
-				'label'  => esc_html( __( 'Discount', 'woocommerce-gateway-stripe' ) ),
-				'amount' => WC_Stripe_Helper::get_stripe_amount( $discounts ),
+				'label'  => esc_html(__('Discount', 'woocommerce-gateway-stripe')),
+				'amount' => WC_Stripe_Helper::get_stripe_amount($discounts),
 			);
 		}
 
-		if ( version_compare( WC_VERSION, '3.2', '<' ) ) {
+		if (version_compare(WC_VERSION, '3.2', '<')) {
 			$cart_fees = WC()->cart->fees;
 		} else {
 			$cart_fees = WC()->cart->get_fees();
 		}
 
 		// Include fees and taxes as display items.
-		foreach ( $cart_fees as $key => $fee ) {
+		foreach ($cart_fees as $key => $fee) {
 			$items[] = array(
 				'label'  => $fee->name,
-				'amount' => WC_Stripe_Helper::get_stripe_amount( $fee->amount ),
+				'amount' => WC_Stripe_Helper::get_stripe_amount($fee->amount),
 			);
 		}
 
@@ -1042,7 +1042,7 @@ 
 			'displayItems' => $items,
 			'total'      => array(
 				'label'   => $this->total_label,
-				'amount'  => max( 0, apply_filters( 'woocommerce_stripe_calculated_total', WC_Stripe_Helper::get_stripe_amount( $order_total ), $order_total, WC()->cart ) ),
+				'amount'  => max(0, apply_filters('woocommerce_stripe_calculated_total', WC_Stripe_Helper::get_stripe_amount($order_total), $order_total, WC()->cart)),
 				'pending' => false,
 			),
 		);