AyeCode / invoicing

includes/gateways/paypal.php

Spacing +283 added lines, -283 removed lines

@@ -1,13 +1,13 @@ 
 <?php
 // Exit if accessed directly
-if ( ! defined( 'ABSPATH' ) ) exit;
+if (!defined('ABSPATH')) exit;
 
-add_action( 'wpinv_paypal_cc_form', '__return_false' );
-add_filter( 'wpinv_paypal_support_subscription', '__return_true' );
+add_action('wpinv_paypal_cc_form', '__return_false');
+add_filter('wpinv_paypal_support_subscription', '__return_true');
 
-function wpinv_process_paypal_payment( $purchase_data ) {
-    if( ! wp_verify_nonce( $purchase_data['gateway_nonce'], 'wpi-gateway' ) ) {
-        wp_die( __( 'Nonce verification has failed', 'invoicing' ), __( 'Error', 'invoicing' ), array( 'response' => 403 ) );
+function wpinv_process_paypal_payment($purchase_data) {
+    if (!wp_verify_nonce($purchase_data['gateway_nonce'], 'wpi-gateway')) {
+        wp_die(__('Nonce verification has failed', 'invoicing'), __('Error', 'invoicing'), array('response' => 403));
     }
 
     // Collect payment data
@@ -25,30 +25,30 @@ 
     );
 
     // Record the pending payment
-    $invoice = wpinv_get_invoice( $purchase_data['invoice_id'] );
+    $invoice = wpinv_get_invoice($purchase_data['invoice_id']);
 
     // Check payment
-    if ( ! $invoice ) {
+    if (!$invoice) {
         // Record the error
-        wpinv_record_gateway_error( __( 'Payment Error', 'invoicing' ), sprintf( __( 'Payment creation failed before sending buyer to PayPal. Payment data: %s', 'invoicing' ), json_encode( $payment_data ) ), $invoice );
+        wpinv_record_gateway_error(__('Payment Error', 'invoicing'), sprintf(__('Payment creation failed before sending buyer to PayPal. Payment data: %s', 'invoicing'), json_encode($payment_data)), $invoice);
         // Problems? send back
-        wpinv_send_back_to_checkout( '?payment-mode=' . $purchase_data['post_data']['wpi-gateway'] );
+        wpinv_send_back_to_checkout('?payment-mode=' . $purchase_data['post_data']['wpi-gateway']);
     } else {
         // Only send to PayPal if the pending payment is created successfully
-        $listener_url = wpinv_get_ipn_url( 'paypal' );
+        $listener_url = wpinv_get_ipn_url('paypal');
 
         // Get the success url
-        $return_url = add_query_arg( array(
+        $return_url = add_query_arg(array(
                 'payment-confirm' => 'paypal',
                 'invoice-id' => $invoice->ID
-            ), get_permalink( wpinv_get_option( 'success_page', false ) ) );
+            ), get_permalink(wpinv_get_option('success_page', false)));
 
         // Get the PayPal redirect uri
-        $paypal_redirect = trailingslashit( wpinv_get_paypal_redirect() ) . '?';
+        $paypal_redirect = trailingslashit(wpinv_get_paypal_redirect()) . '?';
 
         // Setup PayPal arguments
         $paypal_args = array(
-            'business'      => wpinv_get_option( 'paypal_email', false ),
+            'business'      => wpinv_get_option('paypal_email', false),
             'email'         => $invoice->get_email(),
             'first_name'    => $invoice->get_first_name(),
             'last_name'     => $invoice->get_last_name(),
@@ -57,16 +57,16 @@ 
             'shipping'      => '0',
             'no_note'       => '1',
             'currency_code' => wpinv_get_currency(),
-            'charset'       => get_bloginfo( 'charset' ),
+            'charset'       => get_bloginfo('charset'),
             'custom'        => $invoice->ID,
             'rm'            => '2',
             'return'        => $return_url,
-            'cancel_return' => wpinv_get_failed_transaction_uri( '?invoice-id=' . $invoice->ID ),
+            'cancel_return' => wpinv_get_failed_transaction_uri('?invoice-id=' . $invoice->ID),
             'notify_url'    => $listener_url,
-            'cbt'           => get_bloginfo( 'name' ),
+            'cbt'           => get_bloginfo('name'),
             'bn'            => 'WPInvoicing_SP',
             'lc'            => 'US', // this will force paypal site to english
-            'landing_page'  => apply_filters( 'wpinv_paypal_standard_landing_page', 'billing', $invoice ), // 'login' or 'billing'. login - PayPal account login, billing - Non-PayPal account.
+            'landing_page'  => apply_filters('wpinv_paypal_standard_landing_page', 'billing', $invoice), // 'login' or 'billing'. login - PayPal account login, billing - Non-PayPal account.
         );
 
         $paypal_args['address1'] = $invoice->get_address();
@@ -80,57 +80,57 @@ 
             'upload' => '1'
         );
 
-        $paypal_args = array_merge( $paypal_extra_args, $paypal_args );
+        $paypal_args = array_merge($paypal_extra_args, $paypal_args);
 
         // Add cart items
         $i = 1;
-        if( is_array( $purchase_data['cart_details'] ) && ! empty( $purchase_data['cart_details'] ) ) {
-            foreach ( $purchase_data['cart_details'] as $item ) {
+        if (is_array($purchase_data['cart_details']) && !empty($purchase_data['cart_details'])) {
+            foreach ($purchase_data['cart_details'] as $item) {
                 $item['quantity'] = $item['quantity'] > 0 ? $item['quantity'] : 1;
-                $item_amount = wpinv_sanitize_amount( $item['subtotal'] / $item['quantity'], 2 );
+                $item_amount = wpinv_sanitize_amount($item['subtotal'] / $item['quantity'], 2);
 
-                if ( $item_amount <= 0 ) {
+                if ($item_amount <= 0) {
                     $item_amount = 0;
                 }
 
-                $paypal_args['item_number_' . $i ]      = $item['id'];
-                $paypal_args['item_name_' . $i ]        = stripslashes_deep( html_entity_decode( wpinv_get_cart_item_name( $item ), ENT_COMPAT, 'UTF-8' ) );
-                $paypal_args['quantity_' . $i ]         = $item['quantity'];
-                $paypal_args['amount_' . $i ]           = $item_amount;
-                $paypal_args['discount_amount_' . $i ]  = wpinv_sanitize_amount( $item['discount'], 2 );
+                $paypal_args['item_number_' . $i]      = $item['id'];
+                $paypal_args['item_name_' . $i]        = stripslashes_deep(html_entity_decode(wpinv_get_cart_item_name($item), ENT_COMPAT, 'UTF-8'));
+                $paypal_args['quantity_' . $i]         = $item['quantity'];
+                $paypal_args['amount_' . $i]           = $item_amount;
+                $paypal_args['discount_amount_' . $i]  = wpinv_sanitize_amount($item['discount'], 2);
 
                 $i++;
             }
         }
 
         // Add taxes to the cart
-        if ( wpinv_use_taxes() ) {
-            $paypal_args['tax_cart'] = wpinv_sanitize_amount( (float)$invoice->get_tax(), 2 );
+        if (wpinv_use_taxes()) {
+            $paypal_args['tax_cart'] = wpinv_sanitize_amount((float)$invoice->get_tax(), 2);
         }
 
-        $paypal_args = apply_filters( 'wpinv_paypal_args', $paypal_args, $purchase_data, $invoice );
+        $paypal_args = apply_filters('wpinv_paypal_args', $paypal_args, $purchase_data, $invoice);
 
         // Build query
-        $paypal_redirect .= http_build_query( $paypal_args );
+        $paypal_redirect .= http_build_query($paypal_args);
 
         // Fix for some sites that encode the entities
-        $paypal_redirect = str_replace( '&amp;', '&', $paypal_redirect );
+        $paypal_redirect = str_replace('&amp;', '&', $paypal_redirect);
 
         // Get rid of cart contents
         wpinv_empty_cart();
         
         // Redirect to PayPal
-        wp_redirect( $paypal_redirect );
+        wp_redirect($paypal_redirect);
         exit;
     }
 }
-add_action( 'wpinv_gateway_paypal', 'wpinv_process_paypal_payment' );
+add_action('wpinv_gateway_paypal', 'wpinv_process_paypal_payment');
 
-function wpinv_get_paypal_recurring_args( $paypal_args, $purchase_data, $invoice ) {
-    if ( $invoice->is_recurring() && $item_id = $invoice->get_recurring() ) {
-        $item   = new WPInv_Item( $item_id );
+function wpinv_get_paypal_recurring_args($paypal_args, $purchase_data, $invoice) {
+    if ($invoice->is_recurring() && $item_id = $invoice->get_recurring()) {
+        $item = new WPInv_Item($item_id);
         
-        if ( empty( $item ) ) {
+        if (empty($item)) {
             return $paypal_args;
         }
 
@@ -138,25 +138,25 @@ 
         $interval           = $item->get_recurring_interval();
         $bill_times         = (int)$item->get_recurring_limit();
         
-        $initial_amount     = wpinv_sanitize_amount( $invoice->get_total(), 2 );
-        $recurring_amount   = wpinv_sanitize_amount( $invoice->get_recurring_details( 'total' ), 2 );
+        $initial_amount     = wpinv_sanitize_amount($invoice->get_total(), 2);
+        $recurring_amount   = wpinv_sanitize_amount($invoice->get_recurring_details('total'), 2);
         
         $paypal_args['cmd'] = '_xclick-subscriptions';
         $paypal_args['sra'] = '1';
         $paypal_args['src'] = '1';
         
         // Set item description
-        $item_name                  = sprintf( '[%s] %s', $invoice->get_number(), wpinv_get_cart_item_name( array( 'id' => $item->ID ) ) );
-        $paypal_args['item_name']   = stripslashes_deep( html_entity_decode( $item_name, ENT_COMPAT, 'UTF-8' ) );
+        $item_name                  = sprintf('[%s] %s', $invoice->get_number(), wpinv_get_cart_item_name(array('id' => $item->ID)));
+        $paypal_args['item_name']   = stripslashes_deep(html_entity_decode($item_name, ENT_COMPAT, 'UTF-8'));
         
-        if ( $invoice->is_free_trial() && $item->has_free_trial() ) {
+        if ($invoice->is_free_trial() && $item->has_free_trial()) {
             $paypal_args['a1']  = $initial_amount;
             $paypal_args['p1']  = $item->get_trial_interval();
             $paypal_args['t1']  = $item->get_trial_period();
             
             // Set the recurring amount
             $paypal_args['a3']  = $recurring_amount;
-        } else if ( $initial_amount != $recurring_amount && $bill_times != 1 ) {
+        } else if ($initial_amount != $recurring_amount && $bill_times != 1) {
             $paypal_args['a1']  = $initial_amount;
             $paypal_args['p1']  = $interval;
             $paypal_args['t1']  = $period;
@@ -164,63 +164,63 @@ 
             // Set the recurring amount
             $paypal_args['a3']  = $recurring_amount;
             
-            if ( $bill_times > 1 ) {
+            if ($bill_times > 1) {
                 $bill_times--;
             }
         } else {
-            $paypal_args['a3']  = $initial_amount;
+            $paypal_args['a3'] = $initial_amount;
         }
         
         $paypal_args['p3']  = $interval;
         $paypal_args['t3']  = $period;
         
-        if ( $bill_times > 1 ) {
+        if ($bill_times > 1) {
             // Make sure it's not over the max of 52
-            $paypal_args['srt'] = ( $bill_times <= 52 ? absint( $bill_times ) : 52 );
+            $paypal_args['srt'] = ($bill_times <= 52 ? absint($bill_times) : 52);
         }
                 
         // Remove cart items
         $i = 1;
-        if( is_array( $purchase_data['cart_details'] ) && ! empty( $purchase_data['cart_details'] ) ) {
-            foreach ( $purchase_data['cart_details'] as $item ) {                
-                if ( isset( $paypal_args['item_number_' . $i] ) ) {
-                    unset( $paypal_args['item_number_' . $i] );
+        if (is_array($purchase_data['cart_details']) && !empty($purchase_data['cart_details'])) {
+            foreach ($purchase_data['cart_details'] as $item) {                
+                if (isset($paypal_args['item_number_' . $i])) {
+                    unset($paypal_args['item_number_' . $i]);
                 }
-                if ( isset( $paypal_args['item_name_' . $i] ) ) {
-                    unset( $paypal_args['item_name_' . $i] );
+                if (isset($paypal_args['item_name_' . $i])) {
+                    unset($paypal_args['item_name_' . $i]);
                 }
-                if ( isset( $paypal_args['quantity_' . $i] ) ) {
-                    unset( $paypal_args['quantity_' . $i] );
+                if (isset($paypal_args['quantity_' . $i])) {
+                    unset($paypal_args['quantity_' . $i]);
                 }
-                if ( isset( $paypal_args['amount_' . $i] ) ) {
-                    unset( $paypal_args['amount_' . $i] );
+                if (isset($paypal_args['amount_' . $i])) {
+                    unset($paypal_args['amount_' . $i]);
                 }
-                if ( isset( $paypal_args['discount_amount_' . $i] ) ) {
-                    unset( $paypal_args['discount_amount_' . $i] );
+                if (isset($paypal_args['discount_amount_' . $i])) {
+                    unset($paypal_args['discount_amount_' . $i]);
                 }
 
                 $i++;
             }
         }
         
-        if ( isset( $paypal_args['tax_cart'] ) ) {
-            unset( $paypal_args['tax_cart'] );
+        if (isset($paypal_args['tax_cart'])) {
+            unset($paypal_args['tax_cart']);
         }
                 
-        if ( isset( $paypal_args['upload'] ) ) {
-            unset( $paypal_args['upload'] );
+        if (isset($paypal_args['upload'])) {
+            unset($paypal_args['upload']);
         }
         
-        $paypal_args = apply_filters( 'wpinv_paypal_recurring_args', $paypal_args, $purchase_data, $invoice );
+        $paypal_args = apply_filters('wpinv_paypal_recurring_args', $paypal_args, $purchase_data, $invoice);
     }
     
     return $paypal_args;
 }
-add_filter( 'wpinv_paypal_args', 'wpinv_get_paypal_recurring_args', 10, 3 );
+add_filter('wpinv_paypal_args', 'wpinv_get_paypal_recurring_args', 10, 3);
 
 function wpinv_process_paypal_ipn() {
 	// Check the request method is POST
-	if ( isset( $_SERVER['REQUEST_METHOD'] ) && $_SERVER['REQUEST_METHOD'] != 'POST' ) {
+	if (isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] != 'POST') {
 		return;
 	}
 
@@ -228,11 +228,11 @@ 
 	$post_data = '';
 
 	// Fallback just in case post_max_size is lower than needed
-	if ( ini_get( 'allow_url_fopen' ) ) {
-		$post_data = file_get_contents( 'php://input' );
+	if (ini_get('allow_url_fopen')) {
+		$post_data = file_get_contents('php://input');
 	} else {
 		// If allow_url_fopen is not enabled, then make sure that post_max_size is large enough
-		ini_set( 'post_max_size', '12M' );
+		ini_set('post_max_size', '12M');
 	}
 	// Start the encoded data collection with notification command
 	$encoded_data = 'cmd=_notify-validate';
@@ -241,43 +241,43 @@ 
 	$arg_separator = wpinv_get_php_arg_separator_output();
 
 	// Verify there is a post_data
-	if ( $post_data || strlen( $post_data ) > 0 ) {
+	if ($post_data || strlen($post_data) > 0) {
 		// Append the data
-		$encoded_data .= $arg_separator.$post_data;
+		$encoded_data .= $arg_separator . $post_data;
 	} else {
 		// Check if POST is empty
-		if ( empty( $_POST ) ) {
+		if (empty($_POST)) {
 			// Nothing to do
 			return;
 		} else {
 			// Loop through each POST
-			foreach ( $_POST as $key => $value ) {
+			foreach ($_POST as $key => $value) {
 				// Encode the value and append the data
-				$encoded_data .= $arg_separator."$key=" . urlencode( $value );
+				$encoded_data .= $arg_separator . "$key=" . urlencode($value);
 			}
 		}
 	}
 
 	// Convert collected post data to an array
-	parse_str( $encoded_data, $encoded_data_array );
+	parse_str($encoded_data, $encoded_data_array);
 
-	foreach ( $encoded_data_array as $key => $value ) {
-		if ( false !== strpos( $key, 'amp;' ) ) {
-			$new_key = str_replace( '&amp;', '&', $key );
-			$new_key = str_replace( 'amp;', '&' , $new_key );
+	foreach ($encoded_data_array as $key => $value) {
+		if (false !== strpos($key, 'amp;')) {
+			$new_key = str_replace('&amp;', '&', $key);
+			$new_key = str_replace('amp;', '&', $new_key);
 
-			unset( $encoded_data_array[ $key ] );
-			$encoded_data_array[ $new_key ] = $value;
+			unset($encoded_data_array[$key]);
+			$encoded_data_array[$new_key] = $value;
 		}
 	}
 
 	// Get the PayPal redirect uri
-	$paypal_redirect = wpinv_get_paypal_redirect( true );
+	$paypal_redirect = wpinv_get_paypal_redirect(true);
 
-	if ( !wpinv_get_option( 'disable_paypal_verification', false ) ) {
+	if (!wpinv_get_option('disable_paypal_verification', false)) {
 		// Validate the IPN
 
-		$remote_post_vars      = array(
+		$remote_post_vars = array(
 			'method'           => 'POST',
 			'timeout'          => 45,
 			'redirection'      => 5,
@@ -295,21 +295,21 @@ 
 		);
 
 		// Get response
-		$api_response = wp_remote_post( wpinv_get_paypal_redirect(), $remote_post_vars );
+		$api_response = wp_remote_post(wpinv_get_paypal_redirect(), $remote_post_vars);
 
-		if ( is_wp_error( $api_response ) ) {
-			wpinv_record_gateway_error( __( 'IPN Error', 'invoicing' ), sprintf( __( 'Invalid IPN verification response. IPN data: %s', 'invoicing' ), json_encode( $api_response ) ) );
+		if (is_wp_error($api_response)) {
+			wpinv_record_gateway_error(__('IPN Error', 'invoicing'), sprintf(__('Invalid IPN verification response. IPN data: %s', 'invoicing'), json_encode($api_response)));
 			return; // Something went wrong
 		}
 
-		if ( $api_response['body'] !== 'VERIFIED' && wpinv_get_option( 'disable_paypal_verification', false ) ) {
-			wpinv_record_gateway_error( __( 'IPN Error', 'invoicing' ), sprintf( __( 'Invalid IPN verification response. IPN data: %s', 'invoicing' ), json_encode( $api_response ) ) );
+		if ($api_response['body'] !== 'VERIFIED' && wpinv_get_option('disable_paypal_verification', false)) {
+			wpinv_record_gateway_error(__('IPN Error', 'invoicing'), sprintf(__('Invalid IPN verification response. IPN data: %s', 'invoicing'), json_encode($api_response)));
 			return; // Response not okay
 		}
 	}
 
 	// Check if $post_data_array has been populated
-	if ( !is_array( $encoded_data_array ) && !empty( $encoded_data_array ) )
+	if (!is_array($encoded_data_array) && !empty($encoded_data_array))
 		return;
 
 	$defaults = array(
@@ -317,265 +317,265 @@ 
 		'payment_status' => ''
 	);
 
-	$encoded_data_array = wp_parse_args( $encoded_data_array, $defaults );
+	$encoded_data_array = wp_parse_args($encoded_data_array, $defaults);
 
-	$invoice_id = isset( $encoded_data_array['custom'] ) ? absint( $encoded_data_array['custom'] ) : 0;
+	$invoice_id = isset($encoded_data_array['custom']) ? absint($encoded_data_array['custom']) : 0;
     
-	wpinv_error_log( $encoded_data_array['txn_type'], 'PayPal txn_type', __FILE__, __LINE__ );
-	wpinv_error_log( $encoded_data_array, 'PayPal IPN response', __FILE__, __LINE__ );
+	wpinv_error_log($encoded_data_array['txn_type'], 'PayPal txn_type', __FILE__, __LINE__);
+	wpinv_error_log($encoded_data_array, 'PayPal IPN response', __FILE__, __LINE__);
 
-	if ( has_action( 'wpinv_paypal_' . $encoded_data_array['txn_type'] ) ) {
+	if (has_action('wpinv_paypal_' . $encoded_data_array['txn_type'])) {
 		// Allow PayPal IPN types to be processed separately
-		do_action( 'wpinv_paypal_' . $encoded_data_array['txn_type'], $encoded_data_array, $invoice_id );
+		do_action('wpinv_paypal_' . $encoded_data_array['txn_type'], $encoded_data_array, $invoice_id);
 	} else {
 		// Fallback to web accept just in case the txn_type isn't present
-		do_action( 'wpinv_paypal_web_accept', $encoded_data_array, $invoice_id );
+		do_action('wpinv_paypal_web_accept', $encoded_data_array, $invoice_id);
 	}
 	exit;
 }
-add_action( 'wpinv_verify_paypal_ipn', 'wpinv_process_paypal_ipn' );
+add_action('wpinv_verify_paypal_ipn', 'wpinv_process_paypal_ipn');
 
-function wpinv_process_paypal_web_accept_and_cart( $data, $invoice_id ) {
-	if ( $data['txn_type'] != 'web_accept' && $data['txn_type'] != 'cart' && $data['payment_status'] != 'Refunded' ) {
+function wpinv_process_paypal_web_accept_and_cart($data, $invoice_id) {
+	if ($data['txn_type'] != 'web_accept' && $data['txn_type'] != 'cart' && $data['payment_status'] != 'Refunded') {
 		return;
 	}
 
-	if( empty( $invoice_id ) ) {
+	if (empty($invoice_id)) {
 		return;
 	}
 
 	// Collect payment details
-	$purchase_key   = isset( $data['invoice'] ) ? $data['invoice'] : $data['item_number'];
+	$purchase_key   = isset($data['invoice']) ? $data['invoice'] : $data['item_number'];
 	$paypal_amount  = $data['mc_gross'];
-	$payment_status = strtolower( $data['payment_status'] );
-	$currency_code  = strtolower( $data['mc_currency'] );
-	$business_email = isset( $data['business'] ) && is_email( $data['business'] ) ? trim( $data['business'] ) : trim( $data['receiver_email'] );
-	$payment_meta   = wpinv_get_invoice_meta( $invoice_id );
+	$payment_status = strtolower($data['payment_status']);
+	$currency_code  = strtolower($data['mc_currency']);
+	$business_email = isset($data['business']) && is_email($data['business']) ? trim($data['business']) : trim($data['receiver_email']);
+	$payment_meta   = wpinv_get_invoice_meta($invoice_id);
 
-	if ( wpinv_get_payment_gateway( $invoice_id ) != 'paypal' ) {
+	if (wpinv_get_payment_gateway($invoice_id) != 'paypal') {
 		return; // this isn't a PayPal standard IPN
 	}
 
 	// Verify payment recipient
-	if ( strcasecmp( $business_email, trim( wpinv_get_option( 'paypal_email', false ) ) ) != 0 ) {
-		wpinv_record_gateway_error( __( 'IPN Error', 'invoicing' ), sprintf( __( 'Invalid business email in IPN response. IPN data: %s', 'invoicing' ), json_encode( $data ) ), $invoice_id );
-		wpinv_update_payment_status( $invoice_id, 'wpi-failed' );
-		wpinv_insert_payment_note( $invoice_id, __( 'Payment failed due to invalid PayPal business email.', 'invoicing' ), '', '', true );
+	if (strcasecmp($business_email, trim(wpinv_get_option('paypal_email', false))) != 0) {
+		wpinv_record_gateway_error(__('IPN Error', 'invoicing'), sprintf(__('Invalid business email in IPN response. IPN data: %s', 'invoicing'), json_encode($data)), $invoice_id);
+		wpinv_update_payment_status($invoice_id, 'wpi-failed');
+		wpinv_insert_payment_note($invoice_id, __('Payment failed due to invalid PayPal business email.', 'invoicing'), '', '', true);
 		return;
 	}
 
 	// Verify payment currency
-	if ( $currency_code != strtolower( $payment_meta['currency'] ) ) {
-		wpinv_record_gateway_error( __( 'IPN Error', 'invoicing' ), sprintf( __( 'Invalid currency in IPN response. IPN data: %s', 'invoicing' ), json_encode( $data ) ), $invoice_id );
-		wpinv_update_payment_status( $invoice_id, 'wpi-failed' );
-		wpinv_insert_payment_note( $invoice_id, __( 'Payment failed due to invalid currency in PayPal IPN.', 'invoicing' ), '', '', true );
+	if ($currency_code != strtolower($payment_meta['currency'])) {
+		wpinv_record_gateway_error(__('IPN Error', 'invoicing'), sprintf(__('Invalid currency in IPN response. IPN data: %s', 'invoicing'), json_encode($data)), $invoice_id);
+		wpinv_update_payment_status($invoice_id, 'wpi-failed');
+		wpinv_insert_payment_note($invoice_id, __('Payment failed due to invalid currency in PayPal IPN.', 'invoicing'), '', '', true);
 		return;
 	}
 
-	if ( !wpinv_get_payment_user_email( $invoice_id ) ) {
+	if (!wpinv_get_payment_user_email($invoice_id)) {
 		// This runs when a Buy Now purchase was made. It bypasses checkout so no personal info is collected until PayPal
 		// No email associated with purchase, so store from PayPal
-		wpinv_update_invoice_meta( $invoice_id, '_wpinv_email', $data['payer_email'] );
+		wpinv_update_invoice_meta($invoice_id, '_wpinv_email', $data['payer_email']);
 
 		// Setup and store the customer's details
 		$user_info = array(
 			'user_id'    => '-1',
-			'email'      => sanitize_text_field( $data['payer_email'] ),
-			'first_name' => sanitize_text_field( $data['first_name'] ),
-			'last_name'  => sanitize_text_field( $data['last_name'] ),
+			'email'      => sanitize_text_field($data['payer_email']),
+			'first_name' => sanitize_text_field($data['first_name']),
+			'last_name'  => sanitize_text_field($data['last_name']),
 			'discount'   => '',
 		);
-		$user_info['address'] = ! empty( $data['address_street']       ) ? sanitize_text_field( $data['address_street'] )       : false;
-		$user_info['city']    = ! empty( $data['address_city']         ) ? sanitize_text_field( $data['address_city'] )         : false;
-		$user_info['state']   = ! empty( $data['address_state']        ) ? sanitize_text_field( $data['address_state'] )        : false;
-		$user_info['country'] = ! empty( $data['address_country_code'] ) ? sanitize_text_field( $data['address_country_code'] ) : false;
-		$user_info['zip']     = ! empty( $data['address_zip']          ) ? sanitize_text_field( $data['address_zip'] )          : false;
+		$user_info['address'] = !empty($data['address_street']) ? sanitize_text_field($data['address_street']) : false;
+		$user_info['city']    = !empty($data['address_city']) ? sanitize_text_field($data['address_city']) : false;
+		$user_info['state']   = !empty($data['address_state']) ? sanitize_text_field($data['address_state']) : false;
+		$user_info['country'] = !empty($data['address_country_code']) ? sanitize_text_field($data['address_country_code']) : false;
+		$user_info['zip']     = !empty($data['address_zip']) ? sanitize_text_field($data['address_zip']) : false;
 
 		$payment_meta['user_info'] = $user_info;
-		wpinv_update_invoice_meta( $invoice_id, '_wpinv_payment_meta', $payment_meta );
+		wpinv_update_invoice_meta($invoice_id, '_wpinv_payment_meta', $payment_meta);
 	}
 
-	if ( $payment_status == 'refunded' || $payment_status == 'reversed' ) {
+	if ($payment_status == 'refunded' || $payment_status == 'reversed') {
 		// Process a refund
-		wpinv_process_paypal_refund( $data, $invoice_id );
+		wpinv_process_paypal_refund($data, $invoice_id);
 	} else {
-		if ( get_post_status( $invoice_id ) == 'publish' ) {
+		if (get_post_status($invoice_id) == 'publish') {
 			return; // Only paid payments once
 		}
 
 		// Retrieve the total purchase amount (before PayPal)
-		$payment_amount = wpinv_payment_total( $invoice_id );
+		$payment_amount = wpinv_payment_total($invoice_id);
 
-		if ( number_format( (float) $paypal_amount, 2 ) < number_format( (float) $payment_amount, 2 ) ) {
+		if (number_format((float)$paypal_amount, 2) < number_format((float)$payment_amount, 2)) {
 			// The prices don't match
-			wpinv_record_gateway_error( __( 'IPN Error', 'invoicing' ), sprintf( __( 'Invalid payment amount in IPN response. IPN data: %s', 'invoicing' ), json_encode( $data ) ), $invoice_id );
-			wpinv_update_payment_status( $invoice_id, 'wpi-failed' );
-			wpinv_insert_payment_note( $invoice_id, __( 'Payment failed due to invalid amount in PayPal IPN.', 'invoicing' ), '', '', true );
+			wpinv_record_gateway_error(__('IPN Error', 'invoicing'), sprintf(__('Invalid payment amount in IPN response. IPN data: %s', 'invoicing'), json_encode($data)), $invoice_id);
+			wpinv_update_payment_status($invoice_id, 'wpi-failed');
+			wpinv_insert_payment_note($invoice_id, __('Payment failed due to invalid amount in PayPal IPN.', 'invoicing'), '', '', true);
 			return;
 		}
-		if ( $purchase_key != wpinv_get_payment_key( $invoice_id ) ) {
+		if ($purchase_key != wpinv_get_payment_key($invoice_id)) {
 			// Purchase keys don't match
-			wpinv_record_gateway_error( __( 'IPN Error', 'invoicing' ), sprintf( __( 'Invalid purchase key in IPN response. IPN data: %s', 'invoicing' ), json_encode( $data ) ), $invoice_id );
-			wpinv_update_payment_status( $invoice_id, 'wpi-failed' );
-			wpinv_insert_payment_note( $invoice_id, __( 'Payment failed due to invalid purchase key in PayPal IPN.', 'invoicing' ), '', '', true );
+			wpinv_record_gateway_error(__('IPN Error', 'invoicing'), sprintf(__('Invalid purchase key in IPN response. IPN data: %s', 'invoicing'), json_encode($data)), $invoice_id);
+			wpinv_update_payment_status($invoice_id, 'wpi-failed');
+			wpinv_insert_payment_note($invoice_id, __('Payment failed due to invalid purchase key in PayPal IPN.', 'invoicing'), '', '', true);
 			return;
 		}
 
-		if ( 'complete' == $payment_status || 'completed' == $payment_status || 'processed' == $payment_status || wpinv_is_test_mode( 'paypal' ) ) {
-			wpinv_insert_payment_note( $invoice_id, sprintf( __( 'PayPal Transaction ID: %s', 'invoicing' ) , $data['txn_id'] ), '', '', true );
-			wpinv_set_payment_transaction_id( $invoice_id, $data['txn_id'] );
-			wpinv_update_payment_status( $invoice_id, 'publish' );
-		} else if ( 'pending' == $payment_status && isset( $data['pending_reason'] ) ) {
+		if ('complete' == $payment_status || 'completed' == $payment_status || 'processed' == $payment_status || wpinv_is_test_mode('paypal')) {
+			wpinv_insert_payment_note($invoice_id, sprintf(__('PayPal Transaction ID: %s', 'invoicing'), $data['txn_id']), '', '', true);
+			wpinv_set_payment_transaction_id($invoice_id, $data['txn_id']);
+			wpinv_update_payment_status($invoice_id, 'publish');
+		} else if ('pending' == $payment_status && isset($data['pending_reason'])) {
 			// Look for possible pending reasons, such as an echeck
 			$note = '';
 
-			switch( strtolower( $data['pending_reason'] ) ) {
+			switch (strtolower($data['pending_reason'])) {
 				case 'echeck' :
-					$note = __( 'Payment made via eCheck and will clear automatically in 5-8 days', 'invoicing' );
+					$note = __('Payment made via eCheck and will clear automatically in 5-8 days', 'invoicing');
 					break;
 				
                 case 'address' :
-					$note = __( 'Payment requires a confirmed customer address and must be accepted manually through PayPal', 'invoicing' );
+					$note = __('Payment requires a confirmed customer address and must be accepted manually through PayPal', 'invoicing');
 					break;
 				
                 case 'intl' :
-					$note = __( 'Payment must be accepted manually through PayPal due to international account regulations', 'invoicing' );
+					$note = __('Payment must be accepted manually through PayPal due to international account regulations', 'invoicing');
 					break;
 				
                 case 'multi-currency' :
-					$note = __( 'Payment received in non-shop currency and must be accepted manually through PayPal', 'invoicing' );
+					$note = __('Payment received in non-shop currency and must be accepted manually through PayPal', 'invoicing');
 					break;
 				
                 case 'paymentreview' :
                 case 'regulatory_review' :
-					$note = __( 'Payment is being reviewed by PayPal staff as high-risk or in possible violation of government regulations', 'invoicing' );
+					$note = __('Payment is being reviewed by PayPal staff as high-risk or in possible violation of government regulations', 'invoicing');
 					break;
 				
                 case 'unilateral' :
-					$note = __( 'Payment was sent to non-confirmed or non-registered email address.', 'invoicing' );
+					$note = __('Payment was sent to non-confirmed or non-registered email address.', 'invoicing');
 					break;
 				
                 case 'upgrade' :
-					$note = __( 'PayPal account must be upgraded before this payment can be accepted', 'invoicing' );
+					$note = __('PayPal account must be upgraded before this payment can be accepted', 'invoicing');
 					break;
 				
                 case 'verify' :
-					$note = __( 'PayPal account is not verified. Verify account in order to accept this payment', 'invoicing' );
+					$note = __('PayPal account is not verified. Verify account in order to accept this payment', 'invoicing');
 					break;
 
 				case 'other' :
-					$note = __( 'Payment is pending for unknown reasons. Contact PayPal support for assistance', 'invoicing' );
+					$note = __('Payment is pending for unknown reasons. Contact PayPal support for assistance', 'invoicing');
 					break;
 			}
 
-			if ( ! empty( $note ) ) {
-				wpinv_insert_payment_note( $invoice_id, $note, '', '', true );
+			if (!empty($note)) {
+				wpinv_insert_payment_note($invoice_id, $note, '', '', true);
 			}
 		} else {
-			wpinv_insert_payment_note( $invoice_id, wp_sprintf( __( 'PayPal IPN has been received with invalid payment status: %s', 'invoicing' ), $payment_status ), '', '', true );
+			wpinv_insert_payment_note($invoice_id, wp_sprintf(__('PayPal IPN has been received with invalid payment status: %s', 'invoicing'), $payment_status), '', '', true);
 		}
 	}
 }
-add_action( 'wpinv_paypal_web_accept', 'wpinv_process_paypal_web_accept_and_cart', 10, 2 );
+add_action('wpinv_paypal_web_accept', 'wpinv_process_paypal_web_accept_and_cart', 10, 2);
 
 // Process PayPal subscription sign ups
-add_action( 'wpinv_paypal_subscr_signup', 'wpinv_process_paypal_subscr_signup' );
+add_action('wpinv_paypal_subscr_signup', 'wpinv_process_paypal_subscr_signup');
 
 // Process PayPal subscription payments
-add_action( 'wpinv_paypal_subscr_payment', 'wpinv_process_paypal_subscr_payment' );
+add_action('wpinv_paypal_subscr_payment', 'wpinv_process_paypal_subscr_payment');
 
 // Process PayPal subscription cancellations
-add_action( 'wpinv_paypal_subscr_cancel', 'wpinv_process_paypal_subscr_cancel' );
+add_action('wpinv_paypal_subscr_cancel', 'wpinv_process_paypal_subscr_cancel');
 
 // Process PayPal subscription end of term notices
-add_action( 'wpinv_paypal_subscr_eot', 'wpinv_process_paypal_subscr_eot' );
+add_action('wpinv_paypal_subscr_eot', 'wpinv_process_paypal_subscr_eot');
 
 // Process PayPal payment failed
-add_action( 'wpinv_paypal_subscr_failed', 'wpinv_process_paypal_subscr_failed' );
+add_action('wpinv_paypal_subscr_failed', 'wpinv_process_paypal_subscr_failed');
 
 
 /**
  * Process the subscription started IPN.
  */
-function wpinv_process_paypal_subscr_signup( $ipn_data ) {
-    $parent_invoice_id = absint( $ipn_data['custom'] );
-    if( empty( $parent_invoice_id ) ) {
+function wpinv_process_paypal_subscr_signup($ipn_data) {
+    $parent_invoice_id = absint($ipn_data['custom']);
+    if (empty($parent_invoice_id)) {
         return;
     }
 
-    $invoice = wpinv_get_invoice( $parent_invoice_id );
-    if ( empty( $invoice ) ) {
+    $invoice = wpinv_get_invoice($parent_invoice_id);
+    if (empty($invoice)) {
         return;
     }
 
-    if ( $invoice->is_free_trial() && !empty( $ipn_data['invoice'] ) ) {
-        wpinv_insert_payment_note( $parent_invoice_id, sprintf( __( 'PayPal Invoice ID: %s', 'invoicing' ) , $ipn_data['invoice'] ), '', '', true);
-        if ( !empty( $ipn_data['txn_id'] ) ) {
-            wpinv_set_payment_transaction_id( $parent_invoice_id, $ipn_data['txn_id'] );
+    if ($invoice->is_free_trial() && !empty($ipn_data['invoice'])) {
+        wpinv_insert_payment_note($parent_invoice_id, sprintf(__('PayPal Invoice ID: %s', 'invoicing'), $ipn_data['invoice']), '', '', true);
+        if (!empty($ipn_data['txn_id'])) {
+            wpinv_set_payment_transaction_id($parent_invoice_id, $ipn_data['txn_id']);
         }
     }
 
-    $subscription = wpinv_get_paypal_subscription( $ipn_data );
-    if ( false === $subscription ) {
+    $subscription = wpinv_get_paypal_subscription($ipn_data);
+    if (false === $subscription) {
         return;
     }
     
-    wpinv_update_payment_status( $parent_invoice_id, 'publish' );
+    wpinv_update_payment_status($parent_invoice_id, 'publish');
     sleep(1);
-    wpinv_insert_payment_note( $parent_invoice_id, sprintf( __( 'PayPal Subscription ID: %s', 'invoicing' ) , $ipn_data['subscr_id'] ), '', '', true );
-    update_post_meta($parent_invoice_id,'_wpinv_subscr_profile_id', $ipn_data['subscr_id']);
+    wpinv_insert_payment_note($parent_invoice_id, sprintf(__('PayPal Subscription ID: %s', 'invoicing'), $ipn_data['subscr_id']), '', '', true);
+    update_post_meta($parent_invoice_id, '_wpinv_subscr_profile_id', $ipn_data['subscr_id']);
 
     $status     = 'trialling' == $subscription->status ? 'trialling' : 'active';
-    $diff_days  = absint( ( ( strtotime( $subscription->expiration ) - strtotime( $subscription->created ) ) / DAY_IN_SECONDS ) );
-    $created    = date_i18n( 'Y-m-d H:i:s' );
-    $expiration = date_i18n( 'Y-m-d 23:59:59', ( strtotime( $created ) + ( $diff_days * DAY_IN_SECONDS ) ) );
+    $diff_days  = absint(((strtotime($subscription->expiration) - strtotime($subscription->created)) / DAY_IN_SECONDS));
+    $created    = date_i18n('Y-m-d H:i:s');
+    $expiration = date_i18n('Y-m-d 23:59:59', (strtotime($created) + ($diff_days * DAY_IN_SECONDS)));
 
     // Retrieve pending subscription from database and update it's status to active and set proper profile ID
-    $subscription->update( array( 'profile_id' => $ipn_data['subscr_id'], 'status' => $status, 'created' => $created, 'expiration' => $expiration ) );
+    $subscription->update(array('profile_id' => $ipn_data['subscr_id'], 'status' => $status, 'created' => $created, 'expiration' => $expiration));
 }
 
 /**
  * Process the subscription payment received IPN.
  */
-function wpinv_process_paypal_subscr_payment( $ipn_data ) {
-    $parent_invoice_id = absint( $ipn_data['custom'] );
+function wpinv_process_paypal_subscr_payment($ipn_data) {
+    $parent_invoice_id = absint($ipn_data['custom']);
 
-    $parent_invoice = wpinv_get_invoice( $parent_invoice_id );
-    if ( empty( $parent_invoice ) ) {
+    $parent_invoice = wpinv_get_invoice($parent_invoice_id);
+    if (empty($parent_invoice)) {
         return;
     }
 
-    $subscription = wpinv_get_paypal_subscription( $ipn_data );
-    if ( false === $subscription ) {
+    $subscription = wpinv_get_paypal_subscription($ipn_data);
+    if (false === $subscription) {
         return;
     }
 
-    $transaction_id = wpinv_get_payment_transaction_id( $parent_invoice_id );
+    $transaction_id = wpinv_get_payment_transaction_id($parent_invoice_id);
     $times_billed   = $subscription->get_times_billed();
-    $signup_date    = strtotime( $subscription->created );
-    $today          = date( 'Ynd', $signup_date ) == date( 'Ynd', strtotime( $ipn_data['payment_date'] ) );
+    $signup_date    = strtotime($subscription->created);
+    $today          = date('Ynd', $signup_date) == date('Ynd', strtotime($ipn_data['payment_date']));
 
     // Look to see if payment is same day as signup and we have set the transaction ID on the parent payment yet.
-    if ( (empty($times_billed) || $today) && ( !$transaction_id || $transaction_id == $parent_invoice_id ) ) {
-        wpinv_update_payment_status( $parent_invoice_id, 'publish' );
+    if ((empty($times_billed) || $today) && (!$transaction_id || $transaction_id == $parent_invoice_id)) {
+        wpinv_update_payment_status($parent_invoice_id, 'publish');
         sleep(1);
         
         // This is the very first payment
-        wpinv_set_payment_transaction_id( $parent_invoice_id, $ipn_data['txn_id'] );
-        wpinv_insert_payment_note( $parent_invoice_id, sprintf( __( 'PayPal Transaction ID: %s', 'invoicing' ) , $ipn_data['txn_id'] ), '', '', true );
+        wpinv_set_payment_transaction_id($parent_invoice_id, $ipn_data['txn_id']);
+        wpinv_insert_payment_note($parent_invoice_id, sprintf(__('PayPal Transaction ID: %s', 'invoicing'), $ipn_data['txn_id']), '', '', true);
         return;
     }
 
-    if ( wpinv_get_id_by_transaction_id( $ipn_data['txn_id'] ) ) {
+    if (wpinv_get_id_by_transaction_id($ipn_data['txn_id'])) {
         return; // Payment already recorded
     }
 
-    $currency_code = strtolower( $ipn_data['mc_currency'] );
+    $currency_code = strtolower($ipn_data['mc_currency']);
 
     // verify details
-    if ( $currency_code != strtolower( wpinv_get_currency() ) ) {
+    if ($currency_code != strtolower(wpinv_get_currency())) {
         // the currency code is invalid
-        wpinv_record_gateway_error( __( 'IPN Error', 'invoicing' ), sprintf( __( 'Invalid currency in IPN response. IPN data: ', 'invoicing' ), json_encode( $ipn_data ) ) );
+        wpinv_record_gateway_error(__('IPN Error', 'invoicing'), sprintf(__('Invalid currency in IPN response. IPN data: ', 'invoicing'), json_encode($ipn_data)));
         return;
     }
 
@@ -585,11 +585,11 @@ 
         'gateway'        => 'paypal'
     );
     
-    $invoice_id = $subscription->add_payment( $args );
+    $invoice_id = $subscription->add_payment($args);
 
-    if ( $invoice_id > 0 ) {
-        wpinv_insert_payment_note( $invoice_id, wp_sprintf( __( 'PayPal Transaction ID: %s', 'invoicing' ) , $ipn_data['txn_id'] ), '', '', true );
-        wpinv_insert_payment_note( $invoice_id, wp_sprintf( __( 'PayPal Subscription ID: %s', 'invoicing' ) , $ipn_data['subscr_id'] ), '', '', true );
+    if ($invoice_id > 0) {
+        wpinv_insert_payment_note($invoice_id, wp_sprintf(__('PayPal Transaction ID: %s', 'invoicing'), $ipn_data['txn_id']), '', '', true);
+        wpinv_insert_payment_note($invoice_id, wp_sprintf(__('PayPal Subscription ID: %s', 'invoicing'), $ipn_data['subscr_id']), '', '', true);
 
         $subscription->renew();
     }
@@ -598,10 +598,10 @@ 
 /**
  * Process the subscription canceled IPN.
  */
-function wpinv_process_paypal_subscr_cancel( $ipn_data ) {
-    $subscription = wpinv_get_paypal_subscription( $ipn_data );
+function wpinv_process_paypal_subscr_cancel($ipn_data) {
+    $subscription = wpinv_get_paypal_subscription($ipn_data);
 
-    if( false === $subscription ) {
+    if (false === $subscription) {
         return;
     }
 
@@ -611,10 +611,10 @@ 
 /**
  * Process the subscription expired IPN.
  */
-function wpinv_process_paypal_subscr_eot( $ipn_data ) {
-    $subscription = wpinv_get_paypal_subscription( $ipn_data );
+function wpinv_process_paypal_subscr_eot($ipn_data) {
+    $subscription = wpinv_get_paypal_subscription($ipn_data);
 
-    if( false === $subscription ) {
+    if (false === $subscription) {
         return;
     }
 
@@ -624,40 +624,40 @@ 
 /**
  * Process the subscription payment failed IPN.
  */
-function wpinv_process_paypal_subscr_failed( $ipn_data ) {
-    $subscription = wpinv_get_paypal_subscription( $ipn_data );
+function wpinv_process_paypal_subscr_failed($ipn_data) {
+    $subscription = wpinv_get_paypal_subscription($ipn_data);
 
-    if( false === $subscription ) {
+    if (false === $subscription) {
         return;
     }
 
     $subscription->failing();
 
-    do_action( 'wpinv_recurring_payment_failed', $subscription );
+    do_action('wpinv_recurring_payment_failed', $subscription);
 }
 
 /**
  * Retrieve the subscription this IPN notice is for.
  */
-function wpinv_get_paypal_subscription( $ipn_data = array() ) {
-    $parent_invoice_id = absint( $ipn_data['custom'] );
+function wpinv_get_paypal_subscription($ipn_data = array()) {
+    $parent_invoice_id = absint($ipn_data['custom']);
 
-    if( empty( $parent_invoice_id ) ) {
+    if (empty($parent_invoice_id)) {
         return false;
     }
 
-    $invoice = wpinv_get_invoice( $parent_invoice_id );
-    if ( empty( $invoice ) ) {
+    $invoice = wpinv_get_invoice($parent_invoice_id);
+    if (empty($invoice)) {
         return false;
     }
 
-    $subscription = new WPInv_Subscription( $ipn_data['subscr_id'], true );
+    $subscription = new WPInv_Subscription($ipn_data['subscr_id'], true);
 
-    if ( ! ( ! empty( $subscription ) && $subscription->id > 0 ) ) {
-        $subscription = wpinv_get_subscription( $parent_invoice_id );
+    if (!(!empty($subscription) && $subscription->id > 0)) {
+        $subscription = wpinv_get_subscription($parent_invoice_id);
 
-        if ( ! empty( $subscription ) && $subscription->id > 0 ) {
-            $subscription->update( array( 'profile_id' => sanitize_text_field( $ipn_data['subscr_id'] ) ) );
+        if (!empty($subscription) && $subscription->id > 0) {
+            $subscription->update(array('profile_id' => sanitize_text_field($ipn_data['subscr_id'])));
         } else {
             return false;
         }
@@ -667,46 +667,46 @@ 
 
 }
 
-function wpinv_process_paypal_refund( $data, $invoice_id = 0 ) {
+function wpinv_process_paypal_refund($data, $invoice_id = 0) {
 	// Collect payment details
 
-	if( empty( $invoice_id ) ) {
+	if (empty($invoice_id)) {
 		return;
 	}
 
-	if ( get_post_status( $invoice_id ) == 'wpi-refunded' ) {
+	if (get_post_status($invoice_id) == 'wpi-refunded') {
 		return; // Only refund payments once
 	}
 
-	$payment_amount = wpinv_payment_total( $invoice_id );
+	$payment_amount = wpinv_payment_total($invoice_id);
 	$refund_amount  = $data['mc_gross'] * -1;
 
-	do_action( 'wpinv_paypal_refund_request', $data, $invoice_id );
+	do_action('wpinv_paypal_refund_request', $data, $invoice_id);
 
-	if ( number_format( (float) $refund_amount, 2 ) < number_format( (float) $payment_amount, 2 ) ) {
-		wpinv_insert_payment_note( $invoice_id, wp_sprintf( __( 'PayPal partial refund of %s processed for transaction #%s for reason: %s', 'invoicing' ), (float)$refund_amount . ' '. $data['mc_currency'], $data['parent_txn_id'], $data['reason_code'] ), '', '', true );
+	if (number_format((float)$refund_amount, 2) < number_format((float)$payment_amount, 2)) {
+		wpinv_insert_payment_note($invoice_id, wp_sprintf(__('PayPal partial refund of %s processed for transaction #%s for reason: %s', 'invoicing'), (float)$refund_amount . ' ' . $data['mc_currency'], $data['parent_txn_id'], $data['reason_code']), '', '', true);
 
-		do_action( 'wpinv_paypal_invoice_partially_refunded', $data, $invoice_id, $refund_amount );
+		do_action('wpinv_paypal_invoice_partially_refunded', $data, $invoice_id, $refund_amount);
 
 		return; // This is a partial refund
 	}
 
-	wpinv_insert_payment_note( $invoice_id, sprintf( __( 'PayPal Payment #%s Refunded for reason: %s', 'invoicing' ), $data['parent_txn_id'], $data['reason_code'] ), '', '', true );
-	wpinv_insert_payment_note( $invoice_id, sprintf( __( 'PayPal Refund Transaction ID: %s', 'invoicing' ), $data['txn_id'] ), '', '', true );
-	wpinv_update_payment_status( $invoice_id, 'wpi-refunded' );
+	wpinv_insert_payment_note($invoice_id, sprintf(__('PayPal Payment #%s Refunded for reason: %s', 'invoicing'), $data['parent_txn_id'], $data['reason_code']), '', '', true);
+	wpinv_insert_payment_note($invoice_id, sprintf(__('PayPal Refund Transaction ID: %s', 'invoicing'), $data['txn_id']), '', '', true);
+	wpinv_update_payment_status($invoice_id, 'wpi-refunded');
 
-	do_action( 'wpinv_paypal_invoice_fully_refunded', $data, $invoice_id );
+	do_action('wpinv_paypal_invoice_fully_refunded', $data, $invoice_id);
 }
 
-function wpinv_get_paypal_redirect( $ssl_check = false ) {
-    if ( is_ssl() || ! $ssl_check ) {
+function wpinv_get_paypal_redirect($ssl_check = false) {
+    if (is_ssl() || !$ssl_check) {
         $protocol = 'https://';
     } else {
         $protocol = 'http://';
     }
 
     // Check the current payment mode
-    if ( wpinv_is_test_mode( 'paypal' ) ) {
+    if (wpinv_is_test_mode('paypal')) {
         // Test mode
         $paypal_uri = $protocol . 'www.sandbox.paypal.com/cgi-bin/webscr';
     } else {
@@ -714,120 +714,120 @@ 
         $paypal_uri = $protocol . 'www.paypal.com/cgi-bin/webscr';
     }
 
-    return apply_filters( 'wpinv_paypal_uri', $paypal_uri );
+    return apply_filters('wpinv_paypal_uri', $paypal_uri);
 }
 
-function wpinv_paypal_success_page_content( $content ) {
+function wpinv_paypal_success_page_content($content) {
     global $wpi_invoice;
     
     $session = wpinv_get_checkout_session();
 
-    if ( empty( $_GET['invoice-id'] ) && empty( $session['invoice_key'] )  ) {
+    if (empty($_GET['invoice-id']) && empty($session['invoice_key'])) {
         return $content;
     }
 
-    $invoice_id = !empty( $_GET['invoice-id'] ) ? absint( $_GET['invoice-id'] ) : wpinv_get_invoice_id_by_key( $session['invoice_key'] );
+    $invoice_id = !empty($_GET['invoice-id']) ? absint($_GET['invoice-id']) : wpinv_get_invoice_id_by_key($session['invoice_key']);
 
-    if ( empty(  $invoice_id ) ) {
+    if (empty($invoice_id)) {
         return $content;
     }
 
-    $wpi_invoice = wpinv_get_invoice( $invoice_id );
+    $wpi_invoice = wpinv_get_invoice($invoice_id);
     
-    if ( !empty( $wpi_invoice ) && 'wpi-pending' == $wpi_invoice->status ) {
+    if (!empty($wpi_invoice) && 'wpi-pending' == $wpi_invoice->status) {
         // Payment is still pending so show processing indicator to fix the Race Condition, issue #
         ob_start();
-        wpinv_get_template_part( 'wpinv-payment-processing' );
+        wpinv_get_template_part('wpinv-payment-processing');
         $content = ob_get_clean();
     }
 
     return $content;
 }
-add_filter( 'wpinv_payment_confirm_paypal', 'wpinv_paypal_success_page_content' );
+add_filter('wpinv_payment_confirm_paypal', 'wpinv_paypal_success_page_content');
 
-function wpinv_paypal_get_transaction_id( $invoice_id ) {
+function wpinv_paypal_get_transaction_id($invoice_id) {
     $transaction_id = '';
-    $notes = wpinv_get_invoice_notes( $invoice_id );
+    $notes = wpinv_get_invoice_notes($invoice_id);
 
-    foreach ( $notes as $note ) {
-        if ( preg_match( '/^PayPal Transaction ID: ([^\s]+)/', $note->comment_content, $match ) ) {
+    foreach ($notes as $note) {
+        if (preg_match('/^PayPal Transaction ID: ([^\s]+)/', $note->comment_content, $match)) {
             $transaction_id = $match[1];
             continue;
         }
     }
 
-    return apply_filters( 'wpinv_paypal_set_transaction_id', $transaction_id, $invoice_id );
+    return apply_filters('wpinv_paypal_set_transaction_id', $transaction_id, $invoice_id);
 }
-add_filter( 'wpinv_payment_get_transaction_id-paypal', 'wpinv_paypal_get_transaction_id', 10, 1 );
+add_filter('wpinv_payment_get_transaction_id-paypal', 'wpinv_paypal_get_transaction_id', 10, 1);
 
-function wpinv_paypal_link_transaction_id( $transaction_id, $invoice_id, $invoice ) {
-    if ( $transaction_id == $invoice_id ) {
+function wpinv_paypal_link_transaction_id($transaction_id, $invoice_id, $invoice) {
+    if ($transaction_id == $invoice_id) {
         $transaction_link = $transaction_id;
     } else {
-        if ( ! empty( $invoice ) && ! empty( $invoice->mode ) ) {
+        if (!empty($invoice) && !empty($invoice->mode)) {
             $mode = $invoice->mode;
         } else {
-            $mode = wpinv_is_test_mode( 'paypal' ) ? 'test' : 'live';
+            $mode = wpinv_is_test_mode('paypal') ? 'test' : 'live';
         }
 
         $sandbox = $mode == 'test' ? '.sandbox' : '';
         $transaction_url = 'https://www' . $sandbox . '.paypal.com/webscr?cmd=_history-details-from-hub&id=' . $transaction_id;
 
-        $transaction_link = '<a href="' . esc_url( $transaction_url ) . '" target="_blank">' . $transaction_id . '</a>';
+        $transaction_link = '<a href="' . esc_url($transaction_url) . '" target="_blank">' . $transaction_id . '</a>';
     }
 
-    return apply_filters( 'wpinv_paypal_link_payment_details_transaction_id', $transaction_link, $transaction_id, $invoice );
+    return apply_filters('wpinv_paypal_link_payment_details_transaction_id', $transaction_link, $transaction_id, $invoice);
 }
-add_filter( 'wpinv_payment_details_transaction_id-paypal', 'wpinv_paypal_link_transaction_id', 10, 3 );
+add_filter('wpinv_payment_details_transaction_id-paypal', 'wpinv_paypal_link_transaction_id', 10, 3);
 
-function wpinv_paypal_profile_id_link( $profile_id, $subscription ) {
+function wpinv_paypal_profile_id_link($profile_id, $subscription) {
     $link = $profile_id;
 
-    if ( ! empty( $profile_id ) && ! empty( $subscription ) && ( $invoice_id = $subscription->get_original_payment_id() ) ) {
-        $invoice = wpinv_get_invoice( $invoice_id );
+    if (!empty($profile_id) && !empty($subscription) && ($invoice_id = $subscription->get_original_payment_id())) {
+        $invoice = wpinv_get_invoice($invoice_id);
 
-        if ( ! empty( $invoice ) && ! empty( $invoice->mode ) ) {
+        if (!empty($invoice) && !empty($invoice->mode)) {
             $mode = $invoice->mode;
         } else {
-            $mode = wpinv_is_test_mode( 'paypal' ) ? 'test' : 'live';
+            $mode = wpinv_is_test_mode('paypal') ? 'test' : 'live';
         }
 
         $sandbox = $mode == 'test' ? '.sandbox' : '';
         $url = 'https://www' . $sandbox . '.paypal.com/cgi-bin/webscr?cmd=_profile-recurring-payments&encrypted_profile_id=' . $profile_id;
 
-        $link = '<a href="' . esc_url( $url ) . '" target="_blank">' . $profile_id . '</a>';
+        $link = '<a href="' . esc_url($url) . '" target="_blank">' . $profile_id . '</a>';
     }
     
-    return apply_filters( 'wpinv_paypal_profile_id_link', $link, $profile_id, $subscription );
+    return apply_filters('wpinv_paypal_profile_id_link', $link, $profile_id, $subscription);
 }
-add_filter( 'wpinv_subscription_profile_link_paypal', 'wpinv_paypal_profile_id_link', 10, 2 );
+add_filter('wpinv_subscription_profile_link_paypal', 'wpinv_paypal_profile_id_link', 10, 2);
 
-function wpinv_paypal_transaction_id_link( $transaction_id, $subscription ) {
-    if ( ! empty( $transaction_id ) && ! empty( $subscription ) && ( $invoice_id = $subscription->get_original_payment_id() ) ) {
-        $invoice = wpinv_get_invoice( $invoice_id );
+function wpinv_paypal_transaction_id_link($transaction_id, $subscription) {
+    if (!empty($transaction_id) && !empty($subscription) && ($invoice_id = $subscription->get_original_payment_id())) {
+        $invoice = wpinv_get_invoice($invoice_id);
 
-        if ( ! empty( $invoice ) ) {
-            return wpinv_paypal_link_transaction_id( $transaction_id, $invoice_id, $invoice );
+        if (!empty($invoice)) {
+            return wpinv_paypal_link_transaction_id($transaction_id, $invoice_id, $invoice);
         }        
     }
     
     return $transaction_id;
 }
-add_filter( 'wpinv_subscription_transaction_link_paypal', 'wpinv_paypal_transaction_id_link', 10, 2 );
+add_filter('wpinv_subscription_transaction_link_paypal', 'wpinv_paypal_transaction_id_link', 10, 2);
 
 function wpinv_is_paypal_valid_for_use() {
-    return in_array( wpinv_get_currency(), apply_filters( 'wpinv_paypal_supported_currencies', array( 'AUD', 'BRL', 'CAD', 'MXN', 'NZD', 'HKD', 'SGD', 'USD', 'EUR', 'JPY', 'TRY', 'NOK', 'CZK', 'DKK', 'HUF', 'ILS', 'MYR', 'PHP', 'PLN', 'SEK', 'CHF', 'TWD', 'THB', 'GBP', 'RMB', 'RUB', 'INR' ) ) );
+    return in_array(wpinv_get_currency(), apply_filters('wpinv_paypal_supported_currencies', array('AUD', 'BRL', 'CAD', 'MXN', 'NZD', 'HKD', 'SGD', 'USD', 'EUR', 'JPY', 'TRY', 'NOK', 'CZK', 'DKK', 'HUF', 'ILS', 'MYR', 'PHP', 'PLN', 'SEK', 'CHF', 'TWD', 'THB', 'GBP', 'RMB', 'RUB', 'INR')));
 }
 
-function wpinv_check_paypal_currency_support( $gateway_list ) {
-    if ( isset( $gateway_list['paypal'] ) && ! wpinv_is_paypal_valid_for_use() ) {
-        unset( $gateway_list['paypal'] );
+function wpinv_check_paypal_currency_support($gateway_list) {
+    if (isset($gateway_list['paypal']) && !wpinv_is_paypal_valid_for_use()) {
+        unset($gateway_list['paypal']);
     }
     return $gateway_list;
 }
-add_filter( 'wpinv_enabled_payment_gateways', 'wpinv_check_paypal_currency_support', 10, 1 );
+add_filter('wpinv_enabled_payment_gateways', 'wpinv_check_paypal_currency_support', 10, 1);
 
-function wpinv_gateway_paypal_button_label( $label ) {
-    return __( 'Proceed to PayPal', 'invoicing' );
+function wpinv_gateway_paypal_button_label($label) {
+    return __('Proceed to PayPal', 'invoicing');
 }
-add_filter( 'wpinv_gateway_paypal_button_label', 'wpinv_gateway_paypal_button_label', 10, 1 );
\ No newline at end of file
+add_filter('wpinv_gateway_paypal_button_label', 'wpinv_gateway_paypal_button_label', 10, 1);
\ No newline at end of file

vendor/composer/autoload_static.php

Spacing +7 added lines, -7 removed lines

@@ -6,31 +6,31 @@
 
 class ComposerStaticInit8b6d4385c391849a80038f0b0e87c8b5
 {
-    public static $files = array (
+    public static $files = array(
         '24583d3588ebda5228dd453cfaa070da' => __DIR__ . '/..' . '/ayecode/wp-font-awesome-settings/wp-font-awesome-settings.php',
     );
 
-    public static $prefixLengthsPsr4 = array (
+    public static $prefixLengthsPsr4 = array(
         'C' => 
-        array (
+        array(
             'Composer\\Installers\\' => 20,
         ),
     );
 
-    public static $prefixDirsPsr4 = array (
+    public static $prefixDirsPsr4 = array(
         'Composer\\Installers\\' => 
-        array (
+        array(
             0 => __DIR__ . '/..' . '/composer/installers/src/Composer/Installers',
         ),
     );
 
-    public static $classMap = array (
+    public static $classMap = array(
         'WP_Super_Duper' => __DIR__ . '/..' . '/ayecode/wp-super-duper/wp-super-duper.php',
     );
 
     public static function getInitializer(ClassLoader $loader)
     {
-        return \Closure::bind(function () use ($loader) {
+        return \Closure::bind(function() use ($loader) {
             $loader->prefixLengthsPsr4 = ComposerStaticInit8b6d4385c391849a80038f0b0e87c8b5::$prefixLengthsPsr4;
             $loader->prefixDirsPsr4 = ComposerStaticInit8b6d4385c391849a80038f0b0e87c8b5::$prefixDirsPsr4;
             $loader->classMap = ComposerStaticInit8b6d4385c391849a80038f0b0e87c8b5::$classMap;

vendor/composer/ClassLoader.php

Spacing +16 added lines, -16 removed lines

@@ -111,13 +111,13 @@ 
         if (!$prefix) {
             if ($prepend) {
                 $this->fallbackDirsPsr0 = array_merge(
-                    (array) $paths,
+                    (array)$paths,
                     $this->fallbackDirsPsr0
                 );
             } else {
                 $this->fallbackDirsPsr0 = array_merge(
                     $this->fallbackDirsPsr0,
-                    (array) $paths
+                    (array)$paths
                 );
             }
 
@@ -126,19 +126,19 @@ 
 
         $first = $prefix[0];
         if (!isset($this->prefixesPsr0[$first][$prefix])) {
-            $this->prefixesPsr0[$first][$prefix] = (array) $paths;
+            $this->prefixesPsr0[$first][$prefix] = (array)$paths;
 
             return;
         }
         if ($prepend) {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
-                (array) $paths,
+                (array)$paths,
                 $this->prefixesPsr0[$first][$prefix]
             );
         } else {
             $this->prefixesPsr0[$first][$prefix] = array_merge(
                 $this->prefixesPsr0[$first][$prefix],
-                (array) $paths
+                (array)$paths
             );
         }
     }
@@ -159,13 +159,13 @@ 
             // Register directories for the root namespace.
             if ($prepend) {
                 $this->fallbackDirsPsr4 = array_merge(
-                    (array) $paths,
+                    (array)$paths,
                     $this->fallbackDirsPsr4
                 );
             } else {
                 $this->fallbackDirsPsr4 = array_merge(
                     $this->fallbackDirsPsr4,
-                    (array) $paths
+                    (array)$paths
                 );
             }
         } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
@@ -175,18 +175,18 @@ 
                 throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
             }
             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
-            $this->prefixDirsPsr4[$prefix] = (array) $paths;
+            $this->prefixDirsPsr4[$prefix] = (array)$paths;
         } elseif ($prepend) {
             // Prepend directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
-                (array) $paths,
+                (array)$paths,
                 $this->prefixDirsPsr4[$prefix]
             );
         } else {
             // Append directories for an already registered namespace.
             $this->prefixDirsPsr4[$prefix] = array_merge(
                 $this->prefixDirsPsr4[$prefix],
-                (array) $paths
+                (array)$paths
             );
         }
     }
@@ -201,9 +201,9 @@ 
     public function set($prefix, $paths)
     {
         if (!$prefix) {
-            $this->fallbackDirsPsr0 = (array) $paths;
+            $this->fallbackDirsPsr0 = (array)$paths;
         } else {
-            $this->prefixesPsr0[$prefix[0]][$prefix] = (array) $paths;
+            $this->prefixesPsr0[$prefix[0]][$prefix] = (array)$paths;
         }
     }
 
@@ -219,14 +219,14 @@ 
     public function setPsr4($prefix, $paths)
     {
         if (!$prefix) {
-            $this->fallbackDirsPsr4 = (array) $paths;
+            $this->fallbackDirsPsr4 = (array)$paths;
         } else {
             $length = strlen($prefix);
             if ('\\' !== $prefix[$length - 1]) {
                 throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
             }
             $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
-            $this->prefixDirsPsr4[$prefix] = (array) $paths;
+            $this->prefixDirsPsr4[$prefix] = (array)$paths;
         }
     }
 
@@ -342,7 +342,7 @@ 
             return false;
         }
         if (null !== $this->apcuPrefix) {
-            $file = apcu_fetch($this->apcuPrefix.$class, $hit);
+            $file = apcu_fetch($this->apcuPrefix . $class, $hit);
             if ($hit) {
                 return $file;
             }
@@ -356,7 +356,7 @@ 
         }
 
         if (null !== $this->apcuPrefix) {
-            apcu_add($this->apcuPrefix.$class, $file);
+            apcu_add($this->apcuPrefix . $class, $file);
         }
 
         if (false === $file) {

vendor/composer/installers/src/Composer/Installers/CakePHPInstaller.php

Spacing +1 added lines, -1 removed lines

@@ -35,7 +35,7 @@
     public function getLocations()
     {
         if ($this->matchesCakeVersion('>=', '3.0.0')) {
-            $this->locations['plugin'] =  $this->composer->getConfig()->get('vendor-dir') . '/{$vendor}/{$name}/';
+            $this->locations['plugin'] = $this->composer->getConfig()->get('vendor-dir') . '/{$vendor}/{$name}/';
         }
         return $this->locations;
     }

vendor/composer/installers/src/Composer/Installers/GravInstaller.php

Spacing +1 added lines, -1 removed lines

@@ -20,7 +20,7 @@
         $restrictedWords = implode('|', array_keys($this->locations));
 
         $vars['name'] = strtolower($vars['name']);
-        $vars['name'] = preg_replace('/^(?:grav-)?(?:(?:'.$restrictedWords.')-)?(.*?)(?:-(?:'.$restrictedWords.'))?$/ui',
+        $vars['name'] = preg_replace('/^(?:grav-)?(?:(?:' . $restrictedWords . ')-)?(.*?)(?:-(?:' . $restrictedWords . '))?$/ui',
             '$1',
             $vars['name']
         );

vendor/composer/installers/src/Composer/Installers/MauticInstaller.php

Spacing +1 added lines, -1 removed lines

@@ -14,7 +14,7 @@
     public function inflectPackageVars($vars)
     {
         if ($vars['type'] == 'mautic-plugin') {
-            $vars['name'] = preg_replace_callback('/(-[a-z])/', function ($matches) {
+            $vars['name'] = preg_replace_callback('/(-[a-z])/', function($matches) {
                 return strtoupper($matches[0][1]);
             }, ucfirst($vars['name']));
         }

vendor/composer/installers/src/Composer/Installers/PlentymarketsInstaller.php

Spacing +1 added lines, -1 removed lines

@@ -22,7 +22,7 @@
                 unset($vars['name'][$key]);
             }
         }
-        $vars['name'] = implode("",$vars['name']);
+        $vars['name'] = implode("", $vars['name']);
 
         return $vars;
     }

vendor/composer/installers/src/Composer/Installers/MajimaInstaller.php

Spacing +1 added lines, -1 removed lines

@@ -28,7 +28,7 @@
      */
     private function correctPluginName($vars)
     {
-        $camelCasedName = preg_replace_callback('/(-[a-z])/', function ($matches) {
+        $camelCasedName = preg_replace_callback('/(-[a-z])/', function($matches) {
             return strtoupper($matches[0][1]);
         }, $vars['name']);
         $vars['name'] = ucfirst($camelCasedName);

vendor/composer/installers/src/Composer/Installers/AglInstaller.php

Spacing +1 added lines, -1 removed lines

@@ -12,7 +12,7 @@
      */
     public function inflectPackageVars($vars)
     {
-        $vars['name'] = preg_replace_callback('/(?:^|_|-)(.?)/', function ($matches) {
+        $vars['name'] = preg_replace_callback('/(?:^|_|-)(.?)/', function($matches) {
             return strtoupper($matches[1]);
         }, $vars['name']);