AyeCode / invoicing

includes/deprecated-functions.php

Indentation +2 added lines, -2 removed lines

@@ -246,7 +246,7 @@ 
  * @deprecated
  */
 function wpinv_get_payment_key( $invoice = 0 ) {
-	$invoice = new WPInv_Invoice( $invoice );
+    $invoice = new WPInv_Invoice( $invoice );
     return $invoice->get_key();
 }
 
@@ -424,7 +424,7 @@ 
  * @deprecated
  */
 function wpinv_get_checkout_session() {
-	return false;
+    return false;
 }
 
 /**

Spacing +91 added lines, -91 removed lines

@@ -6,7 +6,7 @@ 
  * @package Invoicing
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * @deprecated
@@ -19,48 +19,48 @@ 
  * @deprecated
  */
 function wpinv_get_invoice_cart() {
-    return wpinv_get_invoice( getpaid_get_current_invoice_id() );
+    return wpinv_get_invoice(getpaid_get_current_invoice_id());
 }
 
 /**
  * @deprecated
  */
-function wpinv_get_invoice_description( $invoice ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_get_invoice_description($invoice) {
+    $invoice = new WPInv_Invoice($invoice);
     return $invoice->get_description();
 }
 
 /**
  * @deprecated
  */
-function wpinv_get_invoice_currency_code( $invoice ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_get_invoice_currency_code($invoice) {
+    $invoice = new WPInv_Invoice($invoice);
     return $invoice->get_currency();
 }
 
 /**
  * @deprecated
  */
-function wpinv_get_payment_user_email( $invoice ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_get_payment_user_email($invoice) {
+    $invoice = new WPInv_Invoice($invoice);
     return $invoice->get_email();
 }
 
 /**
  * @deprecated
  */
-function wpinv_get_user_id( $invoice ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_get_user_id($invoice) {
+    $invoice = new WPInv_Invoice($invoice);
     return $invoice->get_user_id();
 }
 
 /**
  * @deprecated
  */
-function wpinv_get_invoice_status( $invoice, $return_label = false ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_get_invoice_status($invoice, $return_label = false) {
+    $invoice = new WPInv_Invoice($invoice);
     
-    if ( $return_label ) {
+    if ($return_label) {
         return $invoice->get_status_nicename();
     }
 
@@ -70,10 +70,10 @@ 
 /**
  * @deprecated
  */
-function wpinv_get_payment_gateway( $invoice, $return_label = false ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_get_payment_gateway($invoice, $return_label = false) {
+    $invoice = new WPInv_Invoice($invoice);
 
-    if ( $return_label ) {
+    if ($return_label) {
         return $invoice->get_gateway_title();
     }
 
@@ -83,75 +83,75 @@ 
 /**
  * @deprecated
  */
-function wpinv_get_payment_gateway_name( $invoice ) {
-    return wpinv_get_payment_gateway( $invoice, true );
+function wpinv_get_payment_gateway_name($invoice) {
+    return wpinv_get_payment_gateway($invoice, true);
 }
 
 /**
  * @deprecated
  */
-function wpinv_get_payment_transaction_id( $invoice ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_get_payment_transaction_id($invoice) {
+    $invoice = new WPInv_Invoice($invoice);
     return $invoice->get_transaction_id();
 }
 
 /**
  * @deprecated
  */
-function wpinv_get_invoice_meta( $invoice_id = 0, $meta_key = '_wpinv_payment_meta', $single = true ) {
-    $invoice = new WPInv_Invoice( $invoice_id );
-    return $invoice->get_meta( $meta_key, $single );
+function wpinv_get_invoice_meta($invoice_id = 0, $meta_key = '_wpinv_payment_meta', $single = true) {
+    $invoice = new WPInv_Invoice($invoice_id);
+    return $invoice->get_meta($meta_key, $single);
 }
 
 /**
  * @deprecated
  */
-function wpinv_update_invoice_meta( $invoice_id = 0, $meta_key = '', $meta_value = '' ) {
-    $invoice = new WPInv_Invoice( $invoice_id );
-    return $invoice->update_meta_data( $meta_key, $meta_value );
+function wpinv_update_invoice_meta($invoice_id = 0, $meta_key = '', $meta_value = '') {
+    $invoice = new WPInv_Invoice($invoice_id);
+    return $invoice->update_meta_data($meta_key, $meta_value);
 }
 
 /**
  * @deprecated
  */
-function wpinv_get_items( $invoice = 0 ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_get_items($invoice = 0) {
+    $invoice = new WPInv_Invoice($invoice);
     return $invoice->get_items();
 }
 
 /**
  * @deprecated
  */
-function wpinv_get_fees( $invoice = 0 ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_get_fees($invoice = 0) {
+    $invoice = new WPInv_Invoice($invoice);
     return $invoice->get_fees();
 }
 
 /**
  * @deprecated
  */
-function wpinv_get_invoice_ip( $invoice ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_get_invoice_ip($invoice) {
+    $invoice = new WPInv_Invoice($invoice);
     return $invoice->get_ip();
 }
 
 /**
  * @deprecated
  */
-function wpinv_get_invoice_user_info( $invoice ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_get_invoice_user_info($invoice) {
+    $invoice = new WPInv_Invoice($invoice);
     return $invoice->get_user_info();
 }
 
 /**
  * @deprecated
  */
-function wpinv_subtotal( $invoice = 0, $currency = false ) {
-    $invoice  = new WPInv_Invoice( $invoice );
+function wpinv_subtotal($invoice = 0, $currency = false) {
+    $invoice  = new WPInv_Invoice($invoice);
     $subtotal = $invoice->get_subtotal();
 
-    if ( $currency ) {
-        return wpinv_price( wpinv_format_amount( $subtotal ), $invoice->get_currency() );
+    if ($currency) {
+        return wpinv_price(wpinv_format_amount($subtotal), $invoice->get_currency());
     }
 
     return $subtotal;
@@ -160,12 +160,12 @@ 
 /**
  * @deprecated
  */
-function wpinv_tax( $invoice = 0, $currency = false ) {
-    $invoice  = new WPInv_Invoice( $invoice );
+function wpinv_tax($invoice = 0, $currency = false) {
+    $invoice  = new WPInv_Invoice($invoice);
     $tax      = $invoice->get_total_tax();
 
-    if ( $currency ) {
-        return wpinv_price( wpinv_format_amount( $tax ), $invoice->get_currency() );
+    if ($currency) {
+        return wpinv_price(wpinv_format_amount($tax), $invoice->get_currency());
     }
 
     return $tax;
@@ -174,12 +174,12 @@ 
 /**
  * @deprecated
  */
-function wpinv_discount( $invoice = 0, $currency = false, $deprecated ) {
-    $invoice  = new WPInv_Invoice( $invoice );
+function wpinv_discount($invoice = 0, $currency = false, $deprecated) {
+    $invoice  = new WPInv_Invoice($invoice);
     $discount = $invoice->get_total_discount();
 
-    if ( $currency ) {
-        return wpinv_price( wpinv_format_amount( $discount ), $invoice->get_currency() );
+    if ($currency) {
+        return wpinv_price(wpinv_format_amount($discount), $invoice->get_currency());
     }
 
     return $discount;
@@ -188,20 +188,20 @@ 
 /**
  * @deprecated
  */
-function wpinv_discount_code( $invoice = 0 ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_discount_code($invoice = 0) {
+    $invoice = new WPInv_Invoice($invoice);
     return $invoice->get_discount_code();
 }
 
 /**
  * @deprecated
  */
-function wpinv_payment_total( $invoice = 0, $currency = false ) {
-    $invoice  = new WPInv_Invoice( $invoice );
+function wpinv_payment_total($invoice = 0, $currency = false) {
+    $invoice = new WPInv_Invoice($invoice);
     $total = $invoice->get_total();
 
-    if ( $currency ) {
-        return wpinv_price( wpinv_format_amount( $total ), $invoice->get_currency() );
+    if ($currency) {
+        return wpinv_price(wpinv_format_amount($total), $invoice->get_currency());
     }
 
     return $total;
@@ -210,51 +210,51 @@ 
 /**
  * @deprecated
  */
-function wpinv_get_date_created( $invoice = 0, $format = '' ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_get_date_created($invoice = 0, $format = '') {
+    $invoice = new WPInv_Invoice($invoice);
 
-    $format         = ! empty( $format ) ? $format : get_option( 'date_format' );
+    $format         = !empty($format) ? $format : get_option('date_format');
     $date_created   = $invoice->get_created_date();
 
-    return empty( $date_created ) ? date_i18n( $format, strtotime( $date_created ) ) : '';
+    return empty($date_created) ? date_i18n($format, strtotime($date_created)) : '';
 }
 
 /**
  * @deprecated
  */
-function wpinv_get_invoice_date( $invoice = 0, $format = '' ) {
-    wpinv_get_date_created( $invoice, $format );
+function wpinv_get_invoice_date($invoice = 0, $format = '') {
+    wpinv_get_date_created($invoice, $format);
 }
 
 /**
  * @deprecated
  */
-function wpinv_get_invoice_vat_number( $invoice = 0 ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_get_invoice_vat_number($invoice = 0) {
+    $invoice = new WPInv_Invoice($invoice);
     return $invoice->get_vat_number();
 }
 
 /**
  * @deprecated
  */
-function wpinv_insert_payment_note( $invoice = 0, $note = '', $user_type = false, $added_by_user = false, $system = false ) {
-    $invoice = new WPInv_Invoice( $invoice );
-    return $invoice->add_note( $note, $user_type, $added_by_user, $system );
+function wpinv_insert_payment_note($invoice = 0, $note = '', $user_type = false, $added_by_user = false, $system = false) {
+    $invoice = new WPInv_Invoice($invoice);
+    return $invoice->add_note($note, $user_type, $added_by_user, $system);
 }
 
 /**
  * @deprecated
  */
-function wpinv_get_payment_key( $invoice = 0 ) {
-	$invoice = new WPInv_Invoice( $invoice );
+function wpinv_get_payment_key($invoice = 0) {
+	$invoice = new WPInv_Invoice($invoice);
     return $invoice->get_key();
 }
 
 /**
  * @deprecated
  */
-function wpinv_get_invoice_number( $invoice = 0 ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_get_invoice_number($invoice = 0) {
+    $invoice = new WPInv_Invoice($invoice);
     return $invoice->get_number();
 }
 
@@ -401,9 +401,9 @@ 
 /**
  * @deprecated
  */
-function wpinv_update_payment_status( $invoice, $new_status = 'publish' ) {    
-    $invoice = new WPInv_Invoice( $invoice );
-    return $invoice->update_status( $new_status );
+function wpinv_update_payment_status($invoice, $new_status = 'publish') {    
+    $invoice = new WPInv_Invoice($invoice);
+    return $invoice->update_status($new_status);
 }
 
 /**
@@ -456,22 +456,22 @@ 
 /**
  * @deprecated
  */
-function wpinv_set_payment_transaction_id( $invoice_id = 0, $transaction_id = '' ) {
+function wpinv_set_payment_transaction_id($invoice_id = 0, $transaction_id = '') {
 
     // Fetch the invoice.
-    $invoice = new WPInv_Invoice( $invoice_id );
+    $invoice = new WPInv_Invoice($invoice_id);
 
-    if ( 0 ==  $invoice->get_id() ) {
+    if (0 == $invoice->get_id()) {
         return false;
     }
 
     // Prepare the transaction id.
-    if ( empty( $transaction_id ) ) {
+    if (empty($transaction_id)) {
         $transaction_id = $invoice_id;
     }
 
     // Set the transaction id;
-    $invoice->set_transaction_id( apply_filters( 'wpinv_set_payment_transaction_id', $transaction_id, $invoice ) );
+    $invoice->set_transaction_id(apply_filters('wpinv_set_payment_transaction_id', $transaction_id, $invoice));
 
     // Save the invoice.
     return $invoice->save();
@@ -484,12 +484,12 @@ 
  * @param WPInv_Invoice $invoice
  * @param string $gateway
  */
-function wpinv_send_to_gateway( $gateway, $invoice ) {
+function wpinv_send_to_gateway($gateway, $invoice) {
 
     $payment_data = array(
         'invoice_id'        => $invoice->get_id(),
         'items'             => $invoice->get_cart_details(),
-        'cart_discounts'    => array( $invoice->get_discount_code() ),
+        'cart_discounts'    => array($invoice->get_discount_code()),
         'fees'              => $invoice->get_total_fees(),
         'subtotal'          => $invoice->get_subtotal(),
         'discount'          => $invoice->get_total_discount(),
@@ -497,16 +497,16 @@ 
         'price'             => $invoice->get_total(),
         'invoice_key'       => $invoice->get_key(),
         'user_email'        => $invoice->get_email(),
-        'date'              => date( 'Y-m-d H:i:s', current_time( 'timestamp' ) ),
+        'date'              => date('Y-m-d H:i:s', current_time('timestamp')),
         'user_info'         => $invoice->get_user_info(),
-        'post_data'         => stripslashes_deep( $_POST ),
+        'post_data'         => stripslashes_deep($_POST),
         'cart_details'      => $invoice->get_cart_details(),
         'gateway'           => $gateway,
         'card_info'         => array(),
         'gateway_nonce'     => wp_create_nonce('wpi-gateway'),
     );
 
-    do_action( 'wpinv_gateway_' . $gateway, $payment_data );
+    do_action('wpinv_gateway_' . $gateway, $payment_data);
 }
 
 /**
@@ -519,10 +519,10 @@ 
 /**
  * @deprecated
  */
-function wpinv_die( $message = '', $title = '', $status = 400 ) {
-    add_filter( 'wp_die_ajax_handler', 'wpinv_die_handler', 10, 3 );
-    add_filter( 'wp_die_handler', 'wpinv_die_handler', 10, 3 );
-    wp_die( $message, $title, array( 'response' => $status ));
+function wpinv_die($message = '', $title = '', $status = 400) {
+    add_filter('wp_die_ajax_handler', 'wpinv_die_handler', 10, 3);
+    add_filter('wp_die_handler', 'wpinv_die_handler', 10, 3);
+    wp_die($message, $title, array('response' => $status));
 }
 
 /**
@@ -640,14 +640,14 @@ 
 /**
  * @deprecated
  */
-function wpinv_invoice_status_label( $status, $status_display = '' ) {
-    return empty( $status_display ) ? sanitize_text_field( $status ) : sanitize_text_field( $status_display );
+function wpinv_invoice_status_label($status, $status_display = '') {
+    return empty($status_display) ? sanitize_text_field($status) : sanitize_text_field($status_display);
 }
 
 /**
  * @deprecated
  */
-function wpinv_clean_invoice_number( $number ) {
+function wpinv_clean_invoice_number($number) {
     return $number;
 }
 
@@ -852,12 +852,12 @@ 
 /**
  * @deprecated
  */
-function wpinv_item_show_price( $item_id = 0, $echo = true ) {
+function wpinv_item_show_price($item_id = 0, $echo = true) {
 
-    if ( $echo ) {
-        echo wpinv_item_price( $item_id );
+    if ($echo) {
+        echo wpinv_item_price($item_id);
     } else {
-        return wpinv_item_price( $item_id );
+        return wpinv_item_price($item_id);
     }
 
 }
\ No newline at end of file

includes/invoice-functions.php

Indentation +1 added lines, -1 removed lines

@@ -67,7 +67,7 @@
  * Checks if the current user cna view an invoice receipt.
  */
 function wpinv_can_view_receipt( $invoice ) {
-	return (bool) apply_filters( 'wpinv_can_view_receipt', wpinv_user_can_view_invoice( $invoice ), $invoice );
+    return (bool) apply_filters( 'wpinv_can_view_receipt', wpinv_user_can_view_invoice( $invoice ), $invoice );
 }
 
 /**

Spacing +286 added lines, -286 removed lines

@@ -6,7 +6,7 @@ 
  * @package Invoicing
  */
  
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * Retrieves the current invoice.
@@ -14,15 +14,15 @@ 
 function getpaid_get_current_invoice_id() {
 
     // Ensure that we have an invoice key.
-    if ( empty( $_GET['invoice_key'] ) ) {
+    if (empty($_GET['invoice_key'])) {
         return 0;
     }
 
     // Retrieve an invoice using the key.
-    $invoice = new WPInv_Invoice( $_GET['invoice_key'] );
+    $invoice = new WPInv_Invoice($_GET['invoice_key']);
 
     // Compare the invoice key and the parsed key.
-    if ( $invoice->get_id() != 0 && $invoice->get_key() == $_GET['invoice_key'] ) {
+    if ($invoice->get_id() != 0 && $invoice->get_key() == $_GET['invoice_key']) {
         return $invoice->get_id();
     }
 
@@ -32,42 +32,42 @@ 
 /**
  * Checks if the current user cna view an invoice.
  */
-function wpinv_user_can_view_invoice( $invoice ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_user_can_view_invoice($invoice) {
+    $invoice = new WPInv_Invoice($invoice);
 
     // Abort if the invoice does not exist.
-    if ( 0 == $invoice->get_id() ) {
+    if (0 == $invoice->get_id()) {
         return false;
     }
 
     // Don't allow trash, draft status
-    if ( $invoice->is_draft() ) {
+    if ($invoice->is_draft()) {
         return false;
     }
 
     // If users are not required to login to check out, compare the invoice keys.
-    if ( ! wpinv_require_login_to_checkout() && isset( $_GET['invoice_key'] ) && trim( $_GET['invoice_key'] ) == $invoice->get_key() ) {
+    if (!wpinv_require_login_to_checkout() && isset($_GET['invoice_key']) && trim($_GET['invoice_key']) == $invoice->get_key()) {
         return true;
     }
 
     // Always enable for admins..
-    if ( wpinv_current_user_can_manage_invoicing() || current_user_can( 'view_invoices', $invoice->get_id() ) ) { // Admin user
+    if (wpinv_current_user_can_manage_invoicing() || current_user_can('view_invoices', $invoice->get_id())) { // Admin user
         return true;
     }
 
     // Else, ensure that this is their invoice.
-    if ( is_user_logged_in() && $invoice->get_user_id() == get_current_user_id() ) {
+    if (is_user_logged_in() && $invoice->get_user_id() == get_current_user_id()) {
         return true;
     }
 
-    return apply_filters( 'wpinv_current_user_can_view_invoice', false, $invoice );
+    return apply_filters('wpinv_current_user_can_view_invoice', false, $invoice);
 }
 
 /**
  * Checks if the current user cna view an invoice receipt.
  */
-function wpinv_can_view_receipt( $invoice ) {
-	return (bool) apply_filters( 'wpinv_can_view_receipt', wpinv_user_can_view_invoice( $invoice ), $invoice );
+function wpinv_can_view_receipt($invoice) {
+	return (bool) apply_filters('wpinv_can_view_receipt', wpinv_user_can_view_invoice($invoice), $invoice);
 }
 
 /**
@@ -77,11 +77,11 @@ 
  */
 function getpaid_get_invoice_post_types() {
     $post_types = array(
-        'wpi_quote'   => __( 'Quote', 'invoicing' ),
-        'wpi_invoice' => __( 'Invoice', 'invoicing' ),
+        'wpi_quote'   => __('Quote', 'invoicing'),
+        'wpi_invoice' => __('Invoice', 'invoicing'),
     );
 
-    return apply_filters( 'getpaid_invoice_post_types', $post_types );
+    return apply_filters('getpaid_invoice_post_types', $post_types);
 }
 
 /**
@@ -90,8 +90,8 @@ 
  * 
  * @param string $post_type The post type to check for.
  */
-function getpaid_is_invoice_post_type( $post_type ) {
-    return ! empty( $post_type ) && array_key_exists( $post_type, getpaid_get_invoice_post_types() );
+function getpaid_is_invoice_post_type($post_type) {
+    return !empty($post_type) && array_key_exists($post_type, getpaid_get_invoice_post_types());
 }
 
 /**
@@ -101,9 +101,9 @@ 
  * @param  bool  $wp_error       Whether to return false or WP_Error on failure.
  * @return int|WP_Error|WPInv_Invoice The value 0 or WP_Error on failure. The WPInv_Invoice object on success.
  */
-function wpinv_create_invoice( $data = array(), $deprecated = null, $wp_error = false ) {
-    $data[ 'invoice_id' ] = 0;
-    return wpinv_insert_invoice( $data, $wp_error );
+function wpinv_create_invoice($data = array(), $deprecated = null, $wp_error = false) {
+    $data['invoice_id'] = 0;
+    return wpinv_insert_invoice($data, $wp_error);
 }
 
 /**
@@ -113,36 +113,36 @@ 
  * @param  bool  $wp_error       Whether to return false or WP_Error on failure.
  * @return int|WP_Error|WPInv_Invoice The value 0 or WP_Error on failure. The WPInv_Invoice object on success.
  */
-function wpinv_update_invoice( $data = array(), $wp_error = false ) {
+function wpinv_update_invoice($data = array(), $wp_error = false) {
 
     // Backwards compatibility.
-    if ( ! empty( $data['ID'] ) ) {
+    if (!empty($data['ID'])) {
         $data['invoice_id'] = $data['ID'];
     }
 
     // Do we have an invoice id?
-    if ( empty( $data['invoice_id'] ) ) {
-        return $wp_error ? new WP_Error( 'invalid_invoice_id', __( 'Invalid invoice ID.', 'invoicing' ) ) : 0;
+    if (empty($data['invoice_id'])) {
+        return $wp_error ? new WP_Error('invalid_invoice_id', __('Invalid invoice ID.', 'invoicing')) : 0;
     }
 
     // Retrieve the invoice.
-    $invoice = wpinv_get_invoice( $data['invoice_id'] );
+    $invoice = wpinv_get_invoice($data['invoice_id']);
 
     // And abort if it does not exist.
-    if ( empty( $invoice ) ) {
-        return $wp_error ? new WP_Error( 'missing_invoice', __( 'Invoice not found.', 'invoicing' ) ) : 0;
+    if (empty($invoice)) {
+        return $wp_error ? new WP_Error('missing_invoice', __('Invoice not found.', 'invoicing')) : 0;
     }
 
     // Do not update totals for paid / refunded invoices.
-    if ( $invoice->is_paid() || $invoice->is_refunded() ) {
+    if ($invoice->is_paid() || $invoice->is_refunded()) {
 
-        if ( ! empty( $data['items'] ) || ! empty( $data['cart_details'] ) ) {
-            return $wp_error ? new WP_Error( 'paid_invoice', __( 'You can not update cart items for invoices that have already been paid for.', 'invoicing' ) ) : 0;
+        if (!empty($data['items']) || !empty($data['cart_details'])) {
+            return $wp_error ? new WP_Error('paid_invoice', __('You can not update cart items for invoices that have already been paid for.', 'invoicing')) : 0;
         }
 
     }
 
-    return wpinv_insert_invoice( $data, $wp_error );
+    return wpinv_insert_invoice($data, $wp_error);
 
 }
 
@@ -153,34 +153,34 @@ 
  * @param  bool  $wp_error       Whether to return false or WP_Error on failure.
  * @return int|WP_Error|WPInv_Invoice The value 0 or WP_Error on failure. The WPInv_Invoice object on success.
  */
-function wpinv_insert_invoice( $data = array(), $wp_error = false ) {
+function wpinv_insert_invoice($data = array(), $wp_error = false) {
 
     // Ensure that we have invoice data.
-    if ( empty( $data ) ) {
+    if (empty($data)) {
         return false;
     }
 
     // The invoice id will be provided when updating an invoice.
-    $data['invoice_id'] = ! empty( $data['invoice_id'] ) ? (int) $data['invoice_id'] : false;
+    $data['invoice_id'] = !empty($data['invoice_id']) ? (int) $data['invoice_id'] : false;
 
     // Retrieve the invoice.
-    $invoice = new WPInv_Invoice( $data['invoice_id'] );
+    $invoice = new WPInv_Invoice($data['invoice_id']);
 
     // Do we have an error?
-    if ( ! empty( $invoice->last_error ) ) {
-        return $wp_error ? new WP_Error( 'invalid_invoice_id', $invoice->last_error ) : 0;
+    if (!empty($invoice->last_error)) {
+        return $wp_error ? new WP_Error('invalid_invoice_id', $invoice->last_error) : 0;
     }
 
     // Backwards compatibility (billing address).
-    if ( ! empty( $data['user_info'] ) ) {
+    if (!empty($data['user_info'])) {
 
-        foreach ( $data['user_info'] as $key => $value ) {
+        foreach ($data['user_info'] as $key => $value) {
 
-            if ( $key == 'discounts' ) {
+            if ($key == 'discounts') {
                 $value = (array) $value;
-                $data[ 'discount_code' ] = empty( $value ) ? null : $value[0];
+                $data['discount_code'] = empty($value) ? null : $value[0];
             } else {
-                $data[ $key ] = $value;
+                $data[$key] = $value;
             }
 
         }
@@ -188,30 +188,30 @@ 
     }
 
     // Backwards compatibility.
-    if ( ! empty( $data['payment_details'] ) ) {
+    if (!empty($data['payment_details'])) {
 
-        foreach ( $data['payment_details'] as $key => $value ) {
-            $data[ $key ] = $value;
+        foreach ($data['payment_details'] as $key => $value) {
+            $data[$key] = $value;
         }
 
     }
 
     // Set up the owner of the invoice.
-    $user_id = ! empty( $data['user_id'] ) ? wpinv_clean( $data['user_id'] ) : get_current_user_id();
+    $user_id = !empty($data['user_id']) ? wpinv_clean($data['user_id']) : get_current_user_id();
 
     // Make sure the user exists.
-    if ( ! get_userdata( $user_id ) ) {
-        return $wp_error ? new WP_Error( 'wpinv_invalid_user', __( 'There is no user with that ID.', 'invoicing' ) ) : 0;
+    if (!get_userdata($user_id)) {
+        return $wp_error ? new WP_Error('wpinv_invalid_user', __('There is no user with that ID.', 'invoicing')) : 0;
     }
 
-    $address = wpinv_get_user_address( $user_id );
+    $address = wpinv_get_user_address($user_id);
 
-    foreach ( $address as $key => $value ) {
+    foreach ($address as $key => $value) {
 
-        if ( $value == '' ) {
-            $address[ $key ] = null;
+        if ($value == '') {
+            $address[$key] = null;
         } else {
-            $address[ $key ] = wpinv_clean( $value );
+            $address[$key] = wpinv_clean($value);
         }
 
     }
@@ -222,103 +222,103 @@ 
         array(
 
             // Basic info.
-            'template'             => isset( $data['template'] ) ? wpinv_clean( $data['template'] ) : null,
-            'email_cc'             => isset( $data['email_cc'] ) ? wpinv_clean( $data['email_cc'] ) : null,
-            'date_created'         => isset( $data['created_date'] ) ? wpinv_clean( $data['created_date'] ) : null,
-            'due_date'             => isset( $data['due_date'] ) ? wpinv_clean( $data['due_date'] ) : null,
-            'date_completed'       => isset( $data['date_completed'] ) ? wpinv_clean( $data['date_completed'] ) : null,
-            'number'               => isset( $data['number'] ) ? wpinv_clean( $data['number'] ) : null,
-            'key'                  => isset( $data['key'] ) ? wpinv_clean( $data['key'] ) : null,
-            'status'               => isset( $data['status'] ) ? wpinv_clean( $data['status'] ) : null,
-            'post_type'            => isset( $data['post_type'] ) ? wpinv_clean( $data['post_type'] ) : null,
-            'user_ip'              => isset( $data['ip'] ) ? wpinv_clean( $data['ip'] ) : wpinv_get_ip(),
-            'parent_id'            => isset( $data['parent'] ) ? intval( $data['parent'] ) : null,
-            'mode'                 => isset( $data['mode'] ) ? wpinv_clean( $data['mode'] ) : null,
-            'description'          => isset( $data['description'] ) ? wp_kses_post( $data['description'] ) : null,
+            'template'             => isset($data['template']) ? wpinv_clean($data['template']) : null,
+            'email_cc'             => isset($data['email_cc']) ? wpinv_clean($data['email_cc']) : null,
+            'date_created'         => isset($data['created_date']) ? wpinv_clean($data['created_date']) : null,
+            'due_date'             => isset($data['due_date']) ? wpinv_clean($data['due_date']) : null,
+            'date_completed'       => isset($data['date_completed']) ? wpinv_clean($data['date_completed']) : null,
+            'number'               => isset($data['number']) ? wpinv_clean($data['number']) : null,
+            'key'                  => isset($data['key']) ? wpinv_clean($data['key']) : null,
+            'status'               => isset($data['status']) ? wpinv_clean($data['status']) : null,
+            'post_type'            => isset($data['post_type']) ? wpinv_clean($data['post_type']) : null,
+            'user_ip'              => isset($data['ip']) ? wpinv_clean($data['ip']) : wpinv_get_ip(),
+            'parent_id'            => isset($data['parent']) ? intval($data['parent']) : null,
+            'mode'                 => isset($data['mode']) ? wpinv_clean($data['mode']) : null,
+            'description'          => isset($data['description']) ? wp_kses_post($data['description']) : null,
 
             // Payment info.
-            'disable_taxes'        => ! empty( $data['disable_taxes'] ),
-            'currency'             => isset( $data['currency'] ) ? wpinv_clean( $data['currency'] ) : wpinv_get_currency(),
-            'gateway'              => isset( $data['gateway'] ) ? wpinv_clean( $data['gateway'] ) : null,
-            'transaction_id'       => isset( $data['transaction_id'] ) ? wpinv_clean( $data['transaction_id'] ) : null,
-            'discount_code'        => isset( $data['discount_code'] ) ? wpinv_clean( $data['discount_code'] ) : null,
-            'payment_form'         => isset( $data['payment_form'] ) ? intval( $data['payment_form'] ) : null,
-            'submission_id'        => isset( $data['submission_id'] ) ? wpinv_clean( $data['submission_id'] ) : null,
-            'subscription_id'      => isset( $data['subscription_id'] ) ? wpinv_clean( $data['subscription_id'] ) : null,
-            'is_viewed'            => isset( $data['is_viewed'] ) ? wpinv_clean( $data['is_viewed'] ) : null,
-            'fees'                 => isset( $data['fees'] ) ? wpinv_clean( $data['fees'] ) : null,
-            'discounts'            => isset( $data['discounts'] ) ? wpinv_clean( $data['discounts'] ) : null,
-            'taxes'                => isset( $data['taxes'] ) ? wpinv_clean( $data['taxes'] ) : null,
+            'disable_taxes'        => !empty($data['disable_taxes']),
+            'currency'             => isset($data['currency']) ? wpinv_clean($data['currency']) : wpinv_get_currency(),
+            'gateway'              => isset($data['gateway']) ? wpinv_clean($data['gateway']) : null,
+            'transaction_id'       => isset($data['transaction_id']) ? wpinv_clean($data['transaction_id']) : null,
+            'discount_code'        => isset($data['discount_code']) ? wpinv_clean($data['discount_code']) : null,
+            'payment_form'         => isset($data['payment_form']) ? intval($data['payment_form']) : null,
+            'submission_id'        => isset($data['submission_id']) ? wpinv_clean($data['submission_id']) : null,
+            'subscription_id'      => isset($data['subscription_id']) ? wpinv_clean($data['subscription_id']) : null,
+            'is_viewed'            => isset($data['is_viewed']) ? wpinv_clean($data['is_viewed']) : null,
+            'fees'                 => isset($data['fees']) ? wpinv_clean($data['fees']) : null,
+            'discounts'            => isset($data['discounts']) ? wpinv_clean($data['discounts']) : null,
+            'taxes'                => isset($data['taxes']) ? wpinv_clean($data['taxes']) : null,
             
 
             // Billing details.
             'user_id'              => $data['user_id'],
-            'first_name'           => isset( $data['first_name'] ) ? wpinv_clean( $data['first_name'] ) : $address['first_name'],
-            'last_name'            => isset( $data['last_name'] ) ? wpinv_clean( $data['last_name'] ) : $address['last_name'],
-            'address'              => isset( $data['address'] ) ? wpinv_clean( $data['address'] ) : $address['address'] ,
-            'vat_number'           => isset( $data['vat_number'] ) ? wpinv_clean( $data['vat_number'] ) : $address['vat_number'],
-            'company'              => isset( $data['company'] ) ? wpinv_clean( $data['company'] ) : $address['company'],
-            'zip'                  => isset( $data['zip'] ) ? wpinv_clean( $data['zip'] ) : $address['zip'],
-            'state'                => isset( $data['state'] ) ? wpinv_clean( $data['state'] ) : $address['state'],
-            'city'                 => isset( $data['city'] ) ? wpinv_clean( $data['city'] ) : $address['city'],
-            'country'              => isset( $data['country'] ) ? wpinv_clean( $data['country'] ) : $address['country'],
-            'phone'                => isset( $data['phone'] ) ? wpinv_clean( $data['phone'] ) : $address['phone'],
-            'address_confirmed'    => ! empty( $data['address_confirmed'] ),
+            'first_name'           => isset($data['first_name']) ? wpinv_clean($data['first_name']) : $address['first_name'],
+            'last_name'            => isset($data['last_name']) ? wpinv_clean($data['last_name']) : $address['last_name'],
+            'address'              => isset($data['address']) ? wpinv_clean($data['address']) : $address['address'],
+            'vat_number'           => isset($data['vat_number']) ? wpinv_clean($data['vat_number']) : $address['vat_number'],
+            'company'              => isset($data['company']) ? wpinv_clean($data['company']) : $address['company'],
+            'zip'                  => isset($data['zip']) ? wpinv_clean($data['zip']) : $address['zip'],
+            'state'                => isset($data['state']) ? wpinv_clean($data['state']) : $address['state'],
+            'city'                 => isset($data['city']) ? wpinv_clean($data['city']) : $address['city'],
+            'country'              => isset($data['country']) ? wpinv_clean($data['country']) : $address['country'],
+            'phone'                => isset($data['phone']) ? wpinv_clean($data['phone']) : $address['phone'],
+            'address_confirmed'    => !empty($data['address_confirmed']),
 
         )
 
     );
 
     // Backwards compatibililty.
-    if ( ! empty( $data['cart_details'] ) && is_array( $data['cart_details'] ) ) {
+    if (!empty($data['cart_details']) && is_array($data['cart_details'])) {
         $data['items'] = array();
 
-        foreach( $data['cart_details'] as $_item ) {
+        foreach ($data['cart_details'] as $_item) {
 
             // Ensure that we have an item id.
-            if ( empty(  $_item['id']  ) ) {
+            if (empty($_item['id'])) {
                 continue;
             }
 
             // Retrieve the item.
-            $item = new GetPaid_Form_Item(  $_item['id']  );
+            $item = new GetPaid_Form_Item($_item['id']);
 
             // Ensure that it is purchasable.
-            if ( ! $item->can_purchase() ) {
+            if (!$item->can_purchase()) {
                 continue;
             }
 
             // Set quantity.
-            if ( ! empty( $_item['quantity'] ) && is_numeric( $_item['quantity'] ) ) {
-                $item->set_quantity( $_item['quantity'] );
+            if (!empty($_item['quantity']) && is_numeric($_item['quantity'])) {
+                $item->set_quantity($_item['quantity']);
             }
 
             // Set price.
-            if ( isset( $_item['item_price'] ) ) {
-                $item->set_price( $_item['item_price'] );
+            if (isset($_item['item_price'])) {
+                $item->set_price($_item['item_price']);
             }
 
-            if ( isset( $_item['custom_price'] ) ) {
-                $item->set_price( $_item['custom_price'] );
+            if (isset($_item['custom_price'])) {
+                $item->set_price($_item['custom_price']);
             }
 
             // Set name.
-            if ( ! empty( $_item['name'] ) ) {
-                $item->set_name( $_item['name'] );
+            if (!empty($_item['name'])) {
+                $item->set_name($_item['name']);
             }
 
             // Set description.
-            if ( isset( $_item['description'] ) ) {
-                $item->set_custom_description( $_item['description'] );
+            if (isset($_item['description'])) {
+                $item->set_custom_description($_item['description']);
             }
 
             // Set meta.
-            if ( isset( $_item['meta'] ) && is_array( $_item['meta'] ) ) {
+            if (isset($_item['meta']) && is_array($_item['meta'])) {
 
-                $item->set_item_meta( $_item['meta'] );
+                $item->set_item_meta($_item['meta']);
 
-                if ( isset( $_item['meta']['description'] ) ) {
-                    $item->set_custom_description( $_item['meta']['description'] );
+                if (isset($_item['meta']['description'])) {
+                    $item->set_custom_description($_item['meta']['description']);
                 }
 
             }
@@ -329,14 +329,14 @@ 
     }
 
     // Add invoice items.
-    if ( ! empty( $data['items'] ) && is_array( $data['items'] ) ) {
+    if (!empty($data['items']) && is_array($data['items'])) {
 
-        $invoice->set_items( array() );
+        $invoice->set_items(array());
 
-        foreach ( $data['items'] as $item ) {
+        foreach ($data['items'] as $item) {
 
-            if ( is_object( $item ) && is_a( $item, 'GetPaid_Form_Item' ) && $item->can_purchase() ) {
-                $invoice->add_item( $item );
+            if (is_object($item) && is_a($item, 'GetPaid_Form_Item') && $item->can_purchase()) {
+                $invoice->add_item($item);
             }
 
         }
@@ -346,30 +346,30 @@ 
     // Save the invoice.
     $invoice->save();
 
-    if ( ! $invoice->get_id() ) {
-        return $wp_error ? new WP_Error( 'wpinv_insert_invoice_error', __( 'An error occured when saving your invoice.', 'invoicing' ) ) : 0;
+    if (!$invoice->get_id()) {
+        return $wp_error ? new WP_Error('wpinv_insert_invoice_error', __('An error occured when saving your invoice.', 'invoicing')) : 0;
     }
 
     // Add private note.
-    if ( ! empty( $data['private_note'] ) ) {
-        $invoice->add_note( $data['private_note'] );
+    if (!empty($data['private_note'])) {
+        $invoice->add_note($data['private_note']);
     }
 
     // User notes.
-    if ( !empty( $data['user_note'] ) ) {
-        $invoice->add_note( $data['user_note'], true );
+    if (!empty($data['user_note'])) {
+        $invoice->add_note($data['user_note'], true);
     }
 
     // Created via.
-    if ( isset( $data['created_via'] ) ) {
-        update_post_meta( $invoice->get_id(), 'wpinv_created_via', $data['created_via'] );
+    if (isset($data['created_via'])) {
+        update_post_meta($invoice->get_id(), 'wpinv_created_via', $data['created_via']);
     }
 
     // Backwards compatiblity.
-    if ( $invoice->is_quote() ) {
+    if ($invoice->is_quote()) {
 
-        if ( isset( $data['valid_until'] ) ) {
-            update_post_meta( $invoice->get_id(), 'wpinv_quote_valid_until', $data['valid_until'] );
+        if (isset($data['valid_until'])) {
+            update_post_meta($invoice->get_id(), 'wpinv_quote_valid_until', $data['valid_until']);
         }
         return $invoice;
 
@@ -384,18 +384,18 @@ 
  * @param $bool $deprecated
  * @return WPInv_Invoice|null
  */
-function wpinv_get_invoice( $invoice = 0, $deprecated = false ) {
+function wpinv_get_invoice($invoice = 0, $deprecated = false) {
 
     // If we are retrieving the invoice from the cart...
-    if ( $deprecated && empty( $invoice ) ) {
+    if ($deprecated && empty($invoice)) {
         $invoice = (int) getpaid_get_current_invoice_id();
     }
 
     // Retrieve the invoice.
-    $invoice = new WPInv_Invoice( $invoice );
+    $invoice = new WPInv_Invoice($invoice);
 
     // Check if it exists.
-    if ( $invoice->get_id() != 0 ) {
+    if ($invoice->get_id() != 0) {
         return $invoice;
     }
 
@@ -408,15 +408,15 @@ 
  * @param array $args Args to search for.
  * @return WPInv_Invoice[]|int[]|object
  */
-function wpinv_get_invoices( $args ) {
+function wpinv_get_invoices($args) {
 
     // Prepare args.
     $args = wp_parse_args(
         $args,
         array(
-            'status'   => array_keys( wpinv_get_invoice_statuses() ),
+            'status'   => array_keys(wpinv_get_invoice_statuses()),
             'type'     => 'wpi_invoice',
-            'limit'    => get_option( 'posts_per_page' ),
+            'limit'    => get_option('posts_per_page'),
             'return'   => 'objects',
         )
     );
@@ -434,24 +434,24 @@ 
         'post__in'       => 'include',
     );
 
-    foreach ( $map_legacy as $to => $from ) {
-        if ( isset( $args[ $from ] ) ) {
-            $args[ $to ] = $args[ $from ];
-            unset( $args[ $from ] );
+    foreach ($map_legacy as $to => $from) {
+        if (isset($args[$from])) {
+            $args[$to] = $args[$from];
+            unset($args[$from]);
         }
     }
 
     // Backwards compatibility.
-    if ( ! empty( $args['email'] ) && empty( $args['user'] ) ) {
+    if (!empty($args['email']) && empty($args['user'])) {
         $args['user'] = $args['email'];
-        unset( $args['email'] );
+        unset($args['email']);
     }
 
     // Handle cases where the user is set as an email.
-    if ( ! empty( $args['author'] ) && is_email( $args['author'] ) ) {
-        $user = get_user_by( 'email', $args['user'] );
+    if (!empty($args['author']) && is_email($args['author'])) {
+        $user = get_user_by('email', $args['user']);
 
-        if ( $user ) {
+        if ($user) {
             $args['author'] = $user->user_email;
         }
 
@@ -462,31 +462,31 @@ 
 
     // Show all posts.
     $paginate = true;
-    if ( isset( $args['paginate'] ) ) {
+    if (isset($args['paginate'])) {
         
         $paginate = $args['paginate'];
-        $args['no_found_rows'] = empty( $args['paginate'] );
-        unset( $args['paginate'] );
+        $args['no_found_rows'] = empty($args['paginate']);
+        unset($args['paginate']);
 
     }
 
     // Whether to return objects or fields.
     $return = $args['return'];
-    unset( $args['return'] );
+    unset($args['return']);
 
     // Get invoices.
-    $invoices = new WP_Query( apply_filters( 'wpinv_get_invoices_args', $args ) );
+    $invoices = new WP_Query(apply_filters('wpinv_get_invoices_args', $args));
 
     // Prepare the results.
-    if ( 'objects' === $return ) {
-        $results = array_map( 'wpinv_get_invoice', $invoices->posts );
-    } elseif ( 'self' === $return ) {
+    if ('objects' === $return) {
+        $results = array_map('wpinv_get_invoice', $invoices->posts);
+    } elseif ('self' === $return) {
         return $invoices;
     } else {
         $results = $invoices->posts;
     }
 
-    if ( $paginate ) {
+    if ($paginate) {
         return (object) array(
             'invoices'      => $results,
             'total'         => $invoices->found_posts,
@@ -504,8 +504,8 @@ 
  * @param string $transaction_id The transaction id to check.
  * @return int Invoice id on success or 0 on failure
  */
-function wpinv_get_id_by_transaction_id( $transaction_id ) {
-    return WPInv_Invoice::get_invoice_id_by_field( $transaction_id, 'transaction_id' );
+function wpinv_get_id_by_transaction_id($transaction_id) {
+    return WPInv_Invoice::get_invoice_id_by_field($transaction_id, 'transaction_id');
 }
 
 /**
@@ -514,8 +514,8 @@ 
  * @param string $invoice_number The invoice number to check.
  * @return int Invoice id on success or 0 on failure
  */
-function wpinv_get_id_by_invoice_number( $invoice_number ) {
-    return WPInv_Invoice::get_invoice_id_by_field( $invoice_number, 'number' );
+function wpinv_get_id_by_invoice_number($invoice_number) {
+    return WPInv_Invoice::get_invoice_id_by_field($invoice_number, 'number');
 }
 
 /**
@@ -524,8 +524,8 @@ 
  * @param string $invoice_key The invoice key to check.
  * @return int Invoice id on success or 0 on failure
  */
-function wpinv_get_invoice_id_by_key( $invoice_key ) {
-    return WPInv_Invoice::get_invoice_id_by_field( $invoice_key, 'key' );
+function wpinv_get_invoice_id_by_key($invoice_key) {
+    return WPInv_Invoice::get_invoice_id_by_field($invoice_key, 'key');
 }
 
 /**
@@ -535,19 +535,19 @@ 
  * @param string $type Optionally filter by type i.e customer|system
  * @return array|null
  */
-function wpinv_get_invoice_notes( $invoice = 0, $type = '' ) {
+function wpinv_get_invoice_notes($invoice = 0, $type = '') {
 
     // Prepare the invoice.
-    $invoice = wpinv_get_invoice( $invoice );
-    if ( empty( $invoice ) ) {
+    $invoice = wpinv_get_invoice($invoice);
+    if (empty($invoice)) {
         return NULL;
     }
 
     // Fetch notes.
-    $notes = getpaid_notes()->get_invoice_notes( $invoice->get_id(), $type );
+    $notes = getpaid_notes()->get_invoice_notes($invoice->get_id(), $type);
 
     // Filter the notes.
-    return apply_filters( 'wpinv_invoice_notes', $notes, $invoice->get_id(), $type );
+    return apply_filters('wpinv_invoice_notes', $notes, $invoice->get_id(), $type);
 }
 
 /**
@@ -557,27 +557,27 @@ 
     $columns = array(
 
             'invoice-number'  => array(
-                'title' => __( 'Invoice', 'invoicing' ),
+                'title' => __('Invoice', 'invoicing'),
                 'class' => 'text-left'
             ),
 
             'created-date'    => array(
-                'title' => __( 'Created Date', 'invoicing' ),
+                'title' => __('Created Date', 'invoicing'),
                 'class' => 'text-left'
             ),
 
             'payment-date'    => array(
-                'title' => __( 'Payment Date', 'invoicing' ),
+                'title' => __('Payment Date', 'invoicing'),
                 'class' => 'text-left'
             ),
 
             'invoice-status'  => array(
-                'title' => __( 'Status', 'invoicing' ),
+                'title' => __('Status', 'invoicing'),
                 'class' => 'text-center'
             ),
 
             'invoice-total'   => array(
-                'title' => __( 'Total', 'invoicing' ),
+                'title' => __('Total', 'invoicing'),
                 'class' => 'text-right'
             ),
 
@@ -588,7 +588,7 @@ 
 
         );
 
-    return apply_filters( 'wpinv_user_invoices_columns', $columns );
+    return apply_filters('wpinv_user_invoices_columns', $columns);
 }
 
 /**
@@ -598,54 +598,54 @@ 
 
     // Find the invoice.
     $invoice_id = getpaid_get_current_invoice_id();
-    $invoice = new WPInv_Invoice( $invoice_id );
+    $invoice = new WPInv_Invoice($invoice_id);
 
     // Abort if non was found.
-    if ( empty( $invoice_id ) || $invoice->is_draft() ) {
+    if (empty($invoice_id) || $invoice->is_draft()) {
 
         return aui()->alert(
             array(
                 'type'    => 'warning',
-                'content' => __( 'We could not find your invoice', 'invoicing' ),
+                'content' => __('We could not find your invoice', 'invoicing'),
             )
         );
 
     }
 
     // Can the user view this invoice?
-    if ( ! wpinv_can_view_receipt( $invoice_id ) ) {
+    if (!wpinv_can_view_receipt($invoice_id)) {
 
         return aui()->alert(
             array(
                 'type'    => 'warning',
-                'content' => __( 'You are not allowed to view this receipt', 'invoicing' ),
+                'content' => __('You are not allowed to view this receipt', 'invoicing'),
             )
         );
 
     }
 
     // Load the template.
-    return wpinv_get_template_html( 'invoice-receipt.php', compact( 'invoice' ) );
+    return wpinv_get_template_html('invoice-receipt.php', compact('invoice'));
 
 }
 
 /**
  * Displays the invoice history.
  */
-function getpaid_invoice_history( $user_id = 0 ) {
+function getpaid_invoice_history($user_id = 0) {
 
     // Ensure that we have a user id.
-    if ( empty( $user_id ) || ! is_numeric( $user_id ) ) {
+    if (empty($user_id) || !is_numeric($user_id)) {
         $user_id = get_current_user_id();
     }
 
     // View user id.
-    if ( empty( $user_id ) ) {
+    if (empty($user_id)) {
 
         return aui()->alert(
             array(
                 'type'    => 'warning',
-                'content' => __( 'You must be logged in to view your invoice history.', 'invoicing' ),
+                'content' => __('You must be logged in to view your invoice history.', 'invoicing'),
             )
         );
 
@@ -655,55 +655,55 @@ 
     $invoices = wpinv_get_invoices(
 
         array(
-            'page'     => ( get_query_var( 'paged' ) ) ? absint( get_query_var( 'paged' ) ) : 1,
+            'page'     => (get_query_var('paged')) ? absint(get_query_var('paged')) : 1,
             'user'     => $user_id,
             'paginate' => true,
         )
 
     );
 
-    if ( empty( $invoices->total ) ) {
+    if (empty($invoices->total)) {
 
         return aui()->alert(
             array(
                 'type'    => 'info',
-                'content' => __( 'No invoices found.', 'invoicing' ),
+                'content' => __('No invoices found.', 'invoicing'),
             )
         );
 
     }
 
     // Load the template.
-    return wpinv_get_template_html( 'invoice-history.php', compact( 'invoices' ) );
+    return wpinv_get_template_html('invoice-history.php', compact('invoices'));
 
 }
 
 /**
  * Formats an invoice number given an invoice type.
  */
-function wpinv_format_invoice_number( $number, $type = '' ) {
+function wpinv_format_invoice_number($number, $type = '') {
 
     // Allow other plugins to overide this.
-    $check = apply_filters( 'wpinv_pre_format_invoice_number', null, $number, $type );
-    if ( null !== $check ) {
+    $check = apply_filters('wpinv_pre_format_invoice_number', null, $number, $type);
+    if (null !== $check) {
         return $check;
     }
 
     // Ensure that we have a numeric number.
-    if ( ! is_numeric( $number ) ) {
+    if (!is_numeric($number)) {
         return $number;
     }
 
     // Format the number.
-    $padd             = absint( (int) wpinv_get_option( 'invoice_number_padd' ) );
-    $prefix           = sanitize_text_field( (string) wpinv_get_option( 'invoice_number_prefix', 'INV-' ) );
-    $postfix          = sanitize_text_field( (string) wpinv_get_option( 'invoice_number_postfix' ) );
-    $formatted_number = zeroise( absint( $number ), $padd );
+    $padd             = absint((int) wpinv_get_option('invoice_number_padd'));
+    $prefix           = sanitize_text_field((string) wpinv_get_option('invoice_number_prefix', 'INV-'));
+    $postfix          = sanitize_text_field((string) wpinv_get_option('invoice_number_postfix'));
+    $formatted_number = zeroise(absint($number), $padd);
 
     // Add the prefix and post fix.
     $formatted_number = $prefix . $formatted_number . $postfix;
 
-    return apply_filters( 'wpinv_format_invoice_number', $formatted_number, $number, $prefix, $postfix, $padd );
+    return apply_filters('wpinv_format_invoice_number', $formatted_number, $number, $prefix, $postfix, $padd);
 }
 
 /**
@@ -712,58 +712,58 @@ 
  * @param string $type.
  * @return int|null|bool
  */
-function wpinv_get_next_invoice_number( $type = '' ) {
+function wpinv_get_next_invoice_number($type = '') {
 
     // Allow plugins to overide this.
-    $check = apply_filters( 'wpinv_get_pre_next_invoice_number', null, $type );
-    if ( null !== $check ) {
+    $check = apply_filters('wpinv_get_pre_next_invoice_number', null, $type);
+    if (null !== $check) {
         return $check;
     }
 
     // Ensure sequential invoice numbers is active.
-    if ( ! wpinv_sequential_number_active() ) {
+    if (!wpinv_sequential_number_active()) {
         return false;
     }
 
     // Retrieve the current number and the start number.
-    $number = (int) get_option( 'wpinv_last_invoice_number', 0 );
-    $start  = absint( (int) wpinv_get_option( 'invoice_sequence_start', 1 ) );
+    $number = (int) get_option('wpinv_last_invoice_number', 0);
+    $start  = absint((int) wpinv_get_option('invoice_sequence_start', 1));
 
     // Ensure that we are starting at a positive integer.
-    $start  = max( $start, 1 );
+    $start  = max($start, 1);
 
     // If this is the first invoice, use the start number.
-    $number = max( $start, $number );
+    $number = max($start, $number);
 
     // Format the invoice number.
-    $formatted_number = wpinv_format_invoice_number( $number, $type );
+    $formatted_number = wpinv_format_invoice_number($number, $type);
 
     // Ensure that this number is unique.
-    $invoice_id = WPInv_Invoice::get_invoice_id_by_field( $formatted_number, 'number' );
+    $invoice_id = WPInv_Invoice::get_invoice_id_by_field($formatted_number, 'number');
 
     // We found a match. Nice.
-    if ( empty( $invoice_id ) ) {
-        update_option( 'wpinv_last_invoice_number', $number );
-        return apply_filters( 'wpinv_get_next_invoice_number', $number );
+    if (empty($invoice_id)) {
+        update_option('wpinv_last_invoice_number', $number);
+        return apply_filters('wpinv_get_next_invoice_number', $number);
     }
 
-    update_option( 'wpinv_last_invoice_number', $number + 1 );
-    return wpinv_get_next_invoice_number( $type );
+    update_option('wpinv_last_invoice_number', $number + 1);
+    return wpinv_get_next_invoice_number($type);
 
 }
 
 /**
  * The prefix used for invoice paths.
  */
-function wpinv_post_name_prefix( $post_type = 'wpi_invoice' ) {
-    return apply_filters( 'wpinv_post_name_prefix', 'inv-', $post_type );
+function wpinv_post_name_prefix($post_type = 'wpi_invoice') {
+    return apply_filters('wpinv_post_name_prefix', 'inv-', $post_type);
 }
 
-function wpinv_generate_post_name( $post_ID ) {
-    $prefix = wpinv_post_name_prefix( get_post_type( $post_ID ) );
-    $post_name = sanitize_title( $prefix . $post_ID );
+function wpinv_generate_post_name($post_ID) {
+    $prefix = wpinv_post_name_prefix(get_post_type($post_ID));
+    $post_name = sanitize_title($prefix . $post_ID);
 
-    return apply_filters( 'wpinv_generate_post_name', $post_name, $post_ID, $prefix );
+    return apply_filters('wpinv_generate_post_name', $post_name, $post_ID, $prefix);
 }
 
 /**
@@ -771,8 +771,8 @@ 
  * 
  * @param int|string|object|WPInv_Invoice|WPInv_Legacy_Invoice|WP_Post $invoice Invoice id, key, transaction id, number or object.
  */
-function wpinv_is_invoice_viewed( $invoice ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_is_invoice_viewed($invoice) {
+    $invoice = new WPInv_Invoice($invoice);
     return (bool) $invoice->get_is_viewed();
 }
 
@@ -781,17 +781,17 @@ 
  * 
  * @param int|string|object|WPInv_Invoice|WPInv_Legacy_Invoice|WP_Post $invoice Invoice id, key, transaction id, number or object.
  */
-function getpaid_maybe_mark_invoice_as_viewed( $invoice ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function getpaid_maybe_mark_invoice_as_viewed($invoice) {
+    $invoice = new WPInv_Invoice($invoice);
 
-    if ( get_current_user_id() == $invoice->get_user_id() && ! $invoice->get_is_viewed() ) {
-        $invoice->set_is_viewed( true );
+    if (get_current_user_id() == $invoice->get_user_id() && !$invoice->get_is_viewed()) {
+        $invoice->set_is_viewed(true);
         $invoice->save();
     }
 
 }
-add_action( 'wpinv_invoice_print_before_display', 'getpaid_maybe_mark_invoice_as_viewed' );
-add_action( 'wpinv_before_receipt', 'getpaid_maybe_mark_invoice_as_viewed' );
+add_action('wpinv_invoice_print_before_display', 'getpaid_maybe_mark_invoice_as_viewed');
+add_action('wpinv_before_receipt', 'getpaid_maybe_mark_invoice_as_viewed');
 
 /**
  * Processes an invoice refund.
@@ -801,27 +801,27 @@ 
  * @param array $status_transition
  * @todo: descrease customer/store earnings
  */
-function getpaid_maybe_process_refund( $invoice_id, $invoice, $status_transition ) {
+function getpaid_maybe_process_refund($invoice_id, $invoice, $status_transition) {
 
-    if ( empty( $status_transition['from'] ) || ! in_array( $status_transition['from'], array( 'publish', 'wpi-processing', 'wpi-renewal' ) ) ) {
+    if (empty($status_transition['from']) || !in_array($status_transition['from'], array('publish', 'wpi-processing', 'wpi-renewal'))) {
         return;
     }
 
     $discount_code = $invoice->get_discount_code();
-    if ( ! empty( $discount_code ) ) {
-        $discount = wpinv_get_discount_obj( $discount_code );
+    if (!empty($discount_code)) {
+        $discount = wpinv_get_discount_obj($discount_code);
 
-        if ( $discount->exists() ) {
+        if ($discount->exists()) {
             $discount->increase_usage( -1 );
         }
 
     }
 
-    do_action( 'wpinv_pre_refund_invoice', $invoice, $invoice_id );
-    do_action( 'wpinv_refund_invoice', $invoice, $invoice_id );
-    do_action( 'wpinv_post_refund_invoice', $invoice, $invoice_id );
+    do_action('wpinv_pre_refund_invoice', $invoice, $invoice_id);
+    do_action('wpinv_refund_invoice', $invoice, $invoice_id);
+    do_action('wpinv_post_refund_invoice', $invoice, $invoice_id);
 }
-add_action( 'getpaid_invoice_status_wpi-refunded', 'getpaid_maybe_process_refund', 10, 3 );
+add_action('getpaid_invoice_status_wpi-refunded', 'getpaid_maybe_process_refund', 10, 3);
 
 
 /**
@@ -829,48 +829,48 @@ 
  *
  * @param int $invoice_id
  */
-function getpaid_process_invoice_payment( $invoice_id ) {
+function getpaid_process_invoice_payment($invoice_id) {
 
     // Fetch the invoice.
-    $invoice = new WPInv_Invoice( $invoice_id );
+    $invoice = new WPInv_Invoice($invoice_id);
 
     // We only want to do this once.
-    if ( 1 ==  get_post_meta( $invoice->get_id(), 'wpinv_processed_payment', true ) ) {
+    if (1 == get_post_meta($invoice->get_id(), 'wpinv_processed_payment', true)) {
         return;
     }
 
-    update_post_meta( $invoice->get_id(), 'wpinv_processed_payment', 1 );
+    update_post_meta($invoice->get_id(), 'wpinv_processed_payment', 1);
 
     // Fires when processing a payment.
-    do_action( 'getpaid_process_payment', $invoice );
+    do_action('getpaid_process_payment', $invoice);
 
     // Fire an action for each invoice item.
-    foreach( $invoice->get_items() as $item ) {
-        do_action( 'getpaid_process_item_payment', $item, $invoice );
+    foreach ($invoice->get_items() as $item) {
+        do_action('getpaid_process_item_payment', $item, $invoice);
     }
 
     // Increase discount usage.
     $discount_code = $invoice->get_discount_code();
-    if ( ! empty( $discount_code ) && ! $invoice->is_renewal() ) {
-        $discount = wpinv_get_discount_obj( $discount_code );
+    if (!empty($discount_code) && !$invoice->is_renewal()) {
+        $discount = wpinv_get_discount_obj($discount_code);
 
-        if ( $discount->exists() ) {
+        if ($discount->exists()) {
             $discount->increase_usage();
         }
 
     }
 
     // Record reverse vat.
-    if ( 'invoice' == $invoice->get_type() && wpinv_use_taxes() && ! $invoice->get_disable_taxes() ) {
+    if ('invoice' == $invoice->get_type() && wpinv_use_taxes() && !$invoice->get_disable_taxes()) {
 
-        if ( WPInv_EUVat::same_country_rule() == 'no' && wpinv_is_base_country( $invoice->get_country() ) ) {
-            $invoice->add_note( __( 'VAT was reverse charged', 'invoicing' ), false, false, true );
+        if (WPInv_EUVat::same_country_rule() == 'no' && wpinv_is_base_country($invoice->get_country())) {
+            $invoice->add_note(__('VAT was reverse charged', 'invoicing'), false, false, true);
         }
 
     }
 
 }
-add_action( 'getpaid_invoice_payment_status_changed', 'getpaid_process_invoice_payment' );
+add_action('getpaid_invoice_payment_status_changed', 'getpaid_process_invoice_payment');
 
 /**
  * Returns an array of invoice item columns
@@ -878,13 +878,13 @@ 
  * @param int|WPInv_Invoice $invoice
  * @return array
  */
-function getpaid_invoice_item_columns( $invoice ) {
+function getpaid_invoice_item_columns($invoice) {
 
     // Prepare the invoice.
-    $invoice = new WPInv_Invoice( $invoice );
+    $invoice = new WPInv_Invoice($invoice);
 
     // Abort if there is no invoice.
-    if ( 0 == $invoice->get_id() ) {
+    if (0 == $invoice->get_id()) {
         return array();
     }
 
@@ -892,47 +892,47 @@ 
     $columns = apply_filters(
         'getpaid_invoice_item_columns',
         array(
-            'name'     => __( 'Item', 'invoicing' ),
-            'price'    => __( 'Price', 'invoicing' ),
-            'quantity' => __( 'Quantity', 'invoicing' ),
-            'subtotal' => __( 'Subtotal', 'invoicing' ),
+            'name'     => __('Item', 'invoicing'),
+            'price'    => __('Price', 'invoicing'),
+            'quantity' => __('Quantity', 'invoicing'),
+            'subtotal' => __('Subtotal', 'invoicing'),
         ),
         $invoice
     );
 
     // Quantities.
-    if ( isset( $columns[ 'quantity' ] ) ) {
+    if (isset($columns['quantity'])) {
 
-        if ( 'hours' == $invoice->get_template() ) {
-            $columns[ 'quantity' ] = __( 'Hours', 'invoicing' );
+        if ('hours' == $invoice->get_template()) {
+            $columns['quantity'] = __('Hours', 'invoicing');
         }
 
-        if ( ! wpinv_item_quantities_enabled() || 'amount' == $invoice->get_template() ) {
-            unset( $columns[ 'quantity' ] );
+        if (!wpinv_item_quantities_enabled() || 'amount' == $invoice->get_template()) {
+            unset($columns['quantity']);
         }
 
     }
 
 
     // Price.
-    if ( isset( $columns[ 'price' ] ) ) {
+    if (isset($columns['price'])) {
 
-        if ( 'amount' == $invoice->get_template() ) {
-            $columns[ 'price' ] = __( 'Amount', 'invoicing' );
+        if ('amount' == $invoice->get_template()) {
+            $columns['price'] = __('Amount', 'invoicing');
         }
 
-        if ( 'hours' == $invoice->get_template() ) {
-            $columns[ 'price' ] = __( 'Rate', 'invoicing' );
+        if ('hours' == $invoice->get_template()) {
+            $columns['price'] = __('Rate', 'invoicing');
         }
 
     }
 
 
     // Sub total.
-    if ( isset( $columns[ 'subtotal' ] ) ) {
+    if (isset($columns['subtotal'])) {
 
-        if ( 'amount' == $invoice->get_template() ) {
-            unset( $columns[ 'subtotal' ] );
+        if ('amount' == $invoice->get_template()) {
+            unset($columns['subtotal']);
         }
 
     }
@@ -946,30 +946,30 @@ 
  * @param int|WPInv_Invoice $invoice
  * @return array
  */
-function getpaid_invoice_totals_rows( $invoice ) {
+function getpaid_invoice_totals_rows($invoice) {
 
     // Prepare the invoice.
-    $invoice = new WPInv_Invoice( $invoice );
+    $invoice = new WPInv_Invoice($invoice);
 
     // Abort if there is no invoice.
-    if ( 0 == $invoice->get_id() ) {
+    if (0 == $invoice->get_id()) {
         return array();
     }
 
     $totals = apply_filters(
         'getpaid_invoice_totals_rows',
         array(
-            'subtotal' => __( 'Subtotal', 'invoicing' ),
-            'tax'      => __( 'Tax', 'invoicing' ),
-            'fee'      => __( 'Fee', 'invoicing' ),
-            'discount' => __( 'Discount', 'invoicing' ),
-            'total'    => __( 'Total', 'invoicing' ),
+            'subtotal' => __('Subtotal', 'invoicing'),
+            'tax'      => __('Tax', 'invoicing'),
+            'fee'      => __('Fee', 'invoicing'),
+            'discount' => __('Discount', 'invoicing'),
+            'total'    => __('Total', 'invoicing'),
         ),
         $invoice
     );
 
-    if ( ( $invoice->get_disable_taxes() || ! wpinv_use_taxes() ) && isset( $totals['tax'] ) ) {
-        unset( $totals['tax'] );
+    if (($invoice->get_disable_taxes() || !wpinv_use_taxes()) && isset($totals['tax'])) {
+        unset($totals['tax']);
     }
 
     return $totals;
@@ -980,46 +980,46 @@ 
  * 
  * @param WPInv_Invoice $invoice
  */
-function getpaid_new_invoice( $invoice ) {
+function getpaid_new_invoice($invoice) {
 
-    if ( ! $invoice->get_status() ) {
+    if (!$invoice->get_status()) {
         return;
     }
 
     // Add an invoice created note.
     $invoice->add_note(
         wp_sprintf(
-            __( 'Invoice created with the status "%s".', 'invoicing' ),
-            wpinv_status_nicename( $invoice->get_status() )
+            __('Invoice created with the status "%s".', 'invoicing'),
+            wpinv_status_nicename($invoice->get_status())
         )
     );
 
 }
-add_action( 'getpaid_new_invoice', 'getpaid_new_invoice' );
+add_action('getpaid_new_invoice', 'getpaid_new_invoice');
 
 /**
  * This function updates invoice caches.
  * 
  * @param WPInv_Invoice $invoice
  */
-function getpaid_update_invoice_caches( $invoice ) {
+function getpaid_update_invoice_caches($invoice) {
 
     // Cache invoice number.
-    wp_cache_set( $invoice->get_number(), $invoice->get_id(), "getpaid_invoice_numbers_to_invoice_ids" );
+    wp_cache_set($invoice->get_number(), $invoice->get_id(), "getpaid_invoice_numbers_to_invoice_ids");
 
     // Cache invoice key.
-    wp_cache_set( $invoice->get_key(), $invoice->get_id(), "getpaid_invoice_keys_to_invoice_ids" );
+    wp_cache_set($invoice->get_key(), $invoice->get_id(), "getpaid_invoice_keys_to_invoice_ids");
 
     // (Maybe) cache transaction id.
     $transaction_id = $invoice->get_transaction_id();
 
-    if ( ! empty( $transaction_id ) ) {
-        wp_cache_set( $transaction_id, $invoice->get_id(), "getpaid_invoice_transaction_ids_to_invoice_ids" );
+    if (!empty($transaction_id)) {
+        wp_cache_set($transaction_id, $invoice->get_id(), "getpaid_invoice_transaction_ids_to_invoice_ids");
     }
 
 }
-add_action( 'getpaid_new_invoice', 'getpaid_update_invoice_caches', 5 );
-add_action( 'getpaid_update_invoice', 'getpaid_update_invoice_caches', 5 );
+add_action('getpaid_new_invoice', 'getpaid_update_invoice_caches', 5);
+add_action('getpaid_update_invoice', 'getpaid_update_invoice_caches', 5);
 
 /**
  * Duplicates an invoice.
@@ -1029,7 +1029,7 @@ 
  * @param  WPInv_Invoice $old_invoice The invoice to duplicate
  * @return WPInv_Invoice The new invoice.
  */
-function getpaid_duplicate_invoice( $old_invoice ) {
+function getpaid_duplicate_invoice($old_invoice) {
 
     // Create the new invoice.
     $invoice = new WPInv_Invoice();

includes/wpinv-template-functions.php

Braces +12 added lines, -8 removed lines

@@ -218,8 +218,9 @@ 
 
 	// Setup possible parts
 	$templates = array();
-	if ( isset( $name ) )
-		$templates[] = $slug . '-' . $name . '.php';
+	if ( isset( $name ) ) {
+			$templates[] = $slug . '-' . $name . '.php';
+	}
 	$templates[] = $slug . '.php';
 
 	// Allow template parts to be filtered
@@ -237,8 +238,9 @@ 
 	foreach ( (array)$template_names as $template_name ) {
 
 		// Continue if template is empty
-		if ( empty( $template_name ) )
-			continue;
+		if ( empty( $template_name ) ) {
+					continue;
+		}
 
 		// Trim off any slashes from the template name
 		$template_name = ltrim( $template_name, '/' );
@@ -257,8 +259,9 @@ 
 		}
 	}
 
-	if ( ( true == $load ) && ! empty( $located ) )
-		load_template( $located, $require_once );
+	if ( ( true == $load ) && ! empty( $located ) ) {
+			load_template( $located, $require_once );
+	}
 
 	return $located;
 }
@@ -336,8 +339,9 @@ 
 function wpinv_html_dropdown( $name = 'wpinv_discounts', $selected = 0, $status = '' ) {
     $args = array( 'nopaging' => true );
 
-    if ( ! empty( $status ) )
-        $args['post_status'] = $status;
+    if ( ! empty( $status ) ) {
+            $args['post_status'] = $status;
+    }
 
     $discounts = wpinv_get_discounts( $args );
     $options   = array();

Indentation +102 added lines, -102 removed lines

@@ -140,7 +140,7 @@ 
  * @param string $default_path The root path to the default template. Defaults to invoicing/templates
  */
 function wpinv_get_template_html( $template_name, $args = array(), $template_path = '', $default_path = '' ) {
-	return getpaid_template()->get_template( $template_name, $args, $template_path, $default_path );
+    return getpaid_template()->get_template( $template_name, $args, $template_path, $default_path );
 }
 
 /**
@@ -158,7 +158,7 @@ 
  * @return string
  */
 function wpinv_get_theme_template_dir_name() {
-	return trailingslashit( apply_filters( 'wpinv_templates_dir', 'invoicing' ) );
+    return trailingslashit( apply_filters( 'wpinv_templates_dir', 'invoicing' ) );
 }
 
 /**
@@ -175,122 +175,122 @@ 
 }
 
 function wpinv_get_template_part( $slug, $name = null, $load = true ) {
-	do_action( 'get_template_part_' . $slug, $slug, $name );
+    do_action( 'get_template_part_' . $slug, $slug, $name );
 
-	// Setup possible parts
-	$templates = array();
-	if ( isset( $name ) )
-		$templates[] = $slug . '-' . $name . '.php';
-	$templates[] = $slug . '.php';
+    // Setup possible parts
+    $templates = array();
+    if ( isset( $name ) )
+        $templates[] = $slug . '-' . $name . '.php';
+    $templates[] = $slug . '.php';
 
-	// Allow template parts to be filtered
-	$templates = apply_filters( 'wpinv_get_template_part', $templates, $slug, $name );
+    // Allow template parts to be filtered
+    $templates = apply_filters( 'wpinv_get_template_part', $templates, $slug, $name );
 
-	// Return the part that is found
-	return wpinv_locate_tmpl( $templates, $load, false );
+    // Return the part that is found
+    return wpinv_locate_tmpl( $templates, $load, false );
 }
 
 function wpinv_locate_tmpl( $template_names, $load = false, $require_once = true ) {
-	// No file found yet
-	$located = false;
+    // No file found yet
+    $located = false;
 
-	// Try to find a template file
-	foreach ( (array)$template_names as $template_name ) {
+    // Try to find a template file
+    foreach ( (array)$template_names as $template_name ) {
 
-		// Continue if template is empty
-		if ( empty( $template_name ) )
-			continue;
+        // Continue if template is empty
+        if ( empty( $template_name ) )
+            continue;
 
-		// Trim off any slashes from the template name
-		$template_name = ltrim( $template_name, '/' );
+        // Trim off any slashes from the template name
+        $template_name = ltrim( $template_name, '/' );
 
-		// try locating this template file by looping through the template paths
-		foreach( wpinv_get_theme_template_paths() as $template_path ) {
+        // try locating this template file by looping through the template paths
+        foreach( wpinv_get_theme_template_paths() as $template_path ) {
 
-			if( file_exists( $template_path . $template_name ) ) {
-				$located = $template_path . $template_name;
-				break;
-			}
-		}
+            if( file_exists( $template_path . $template_name ) ) {
+                $located = $template_path . $template_name;
+                break;
+            }
+        }
 
-		if( !empty( $located ) ) {
-			break;
-		}
-	}
+        if( !empty( $located ) ) {
+            break;
+        }
+    }
 
-	if ( ( true == $load ) && ! empty( $located ) )
-		load_template( $located, $require_once );
+    if ( ( true == $load ) && ! empty( $located ) )
+        load_template( $located, $require_once );
 
-	return $located;
+    return $located;
 }
 
 function wpinv_get_theme_template_paths() {
-	$template_dir = wpinv_get_theme_template_dir_name();
+    $template_dir = wpinv_get_theme_template_dir_name();
 
-	$file_paths = array(
-		1 => trailingslashit( get_stylesheet_directory() ) . $template_dir,
-		10 => trailingslashit( get_template_directory() ) . $template_dir,
-		100 => wpinv_get_templates_dir()
-	);
+    $file_paths = array(
+        1 => trailingslashit( get_stylesheet_directory() ) . $template_dir,
+        10 => trailingslashit( get_template_directory() ) . $template_dir,
+        100 => wpinv_get_templates_dir()
+    );
 
-	$file_paths = apply_filters( 'wpinv_template_paths', $file_paths );
+    $file_paths = apply_filters( 'wpinv_template_paths', $file_paths );
 
-	// sort the file paths based on priority
-	ksort( $file_paths, SORT_NUMERIC );
+    // sort the file paths based on priority
+    ksort( $file_paths, SORT_NUMERIC );
 
-	return array_map( 'trailingslashit', $file_paths );
+    return array_map( 'trailingslashit', $file_paths );
 }
 
 function wpinv_checkout_meta_tags() {
 
-	$pages   = array();
-	$pages[] = wpinv_get_option( 'success_page' );
-	$pages[] = wpinv_get_option( 'failure_page' );
-	$pages[] = wpinv_get_option( 'invoice_history_page' );
-	$pages[] = wpinv_get_option( 'invoice_subscription_page' );
+    $pages   = array();
+    $pages[] = wpinv_get_option( 'success_page' );
+    $pages[] = wpinv_get_option( 'failure_page' );
+    $pages[] = wpinv_get_option( 'invoice_history_page' );
+    $pages[] = wpinv_get_option( 'invoice_subscription_page' );
 
-	if( !wpinv_is_checkout() && !is_page( $pages ) ) {
-		return;
-	}
+    if( !wpinv_is_checkout() && !is_page( $pages ) ) {
+        return;
+    }
 
-	echo '<meta name="robots" content="noindex,nofollow" />' . "\n";
+    echo '<meta name="robots" content="noindex,nofollow" />' . "\n";
 }
 add_action( 'wp_head', 'wpinv_checkout_meta_tags' );
 
 function wpinv_add_body_classes( $class ) {
-	$classes = (array)$class;
+    $classes = (array)$class;
 
-	if( wpinv_is_checkout() ) {
-		$classes[] = 'wpinv-checkout';
-		$classes[] = 'wpinv-page';
-	}
+    if( wpinv_is_checkout() ) {
+        $classes[] = 'wpinv-checkout';
+        $classes[] = 'wpinv-page';
+    }
 
-	if( wpinv_is_success_page() ) {
-		$classes[] = 'wpinv-success';
-		$classes[] = 'wpinv-page';
-	}
+    if( wpinv_is_success_page() ) {
+        $classes[] = 'wpinv-success';
+        $classes[] = 'wpinv-page';
+    }
 
-	if( wpinv_is_failed_transaction_page() ) {
-		$classes[] = 'wpinv-failed-transaction';
-		$classes[] = 'wpinv-page';
-	}
+    if( wpinv_is_failed_transaction_page() ) {
+        $classes[] = 'wpinv-failed-transaction';
+        $classes[] = 'wpinv-page';
+    }
 
-	if( wpinv_is_invoice_history_page() ) {
-		$classes[] = 'wpinv-history';
-		$classes[] = 'wpinv-page';
-	}
+    if( wpinv_is_invoice_history_page() ) {
+        $classes[] = 'wpinv-history';
+        $classes[] = 'wpinv-page';
+    }
 
-	if( wpinv_is_subscriptions_history_page() ) {
-		$classes[] = 'wpinv-subscription';
-		$classes[] = 'wpinv-page';
-	}
+    if( wpinv_is_subscriptions_history_page() ) {
+        $classes[] = 'wpinv-subscription';
+        $classes[] = 'wpinv-page';
+    }
 
-	if( wpinv_is_test_mode() ) {
-		$classes[] = 'wpinv-test-mode';
-		$classes[] = 'wpinv-page';
-	}
+    if( wpinv_is_test_mode() ) {
+        $classes[] = 'wpinv-test-mode';
+        $classes[] = 'wpinv-page';
+    }
 
-	return array_unique( $classes );
+    return array_unique( $classes );
 }
 add_filter( 'body_class', 'wpinv_add_body_classes' );
 
@@ -992,21 +992,21 @@ 
 
     $formatted_address = str_ireplace( array_keys( $replacements ), $replacements, $format );
     
-	// Remove unavailable tags.
+    // Remove unavailable tags.
     $formatted_address = preg_replace( "/\{\{\w+\}\}/", '', $formatted_address );
 
     // Clean up white space.
-	$formatted_address = preg_replace( '/  +/', ' ', trim( $formatted_address ) );
+    $formatted_address = preg_replace( '/  +/', ' ', trim( $formatted_address ) );
     $formatted_address = preg_replace( '/\n\n+/', "\n", $formatted_address );
     
     // Break newlines apart and remove empty lines/trim commas and white space.
-	$formatted_address = array_filter( array_map( 'wpinv_trim_formatted_address_line', explode( "\n", $formatted_address ) ) );
+    $formatted_address = array_filter( array_map( 'wpinv_trim_formatted_address_line', explode( "\n", $formatted_address ) ) );
 
     // Add html breaks.
-	$formatted_address = implode( $separator, $formatted_address );
+    $formatted_address = implode( $separator, $formatted_address );
 
-	// We're done!
-	return $formatted_address;
+    // We're done!
+    return $formatted_address;
     
 }
 
@@ -1208,7 +1208,7 @@ 
 }
 
 function wpinv_empty_cart_message() {
-	return apply_filters( 'wpinv_empty_cart_message', '<span class="wpinv_empty_cart">' . __( 'Your cart is empty.', 'invoicing' ) . '</span>' );
+    return apply_filters( 'wpinv_empty_cart_message', '<span class="wpinv_empty_cart">' . __( 'Your cart is empty.', 'invoicing' ) . '</span>' );
 }
 
 /**
@@ -1498,10 +1498,10 @@ 
 
     if ( 0 == count( $form->get_items() ) ) {
         echo aui()->alert(
-			array(
-				'type'    => 'warning',
-				'content' => __( 'No published items found', 'invoicing' ),
-			)
+            array(
+                'type'    => 'warning',
+                'content' => __( 'No published items found', 'invoicing' ),
+            )
         );
         return;
     }
@@ -1517,21 +1517,21 @@ 
     $invoice = wpinv_get_invoice( $invoice_id );
 
     if ( empty( $invoice ) ) {
-		echo aui()->alert(
-			array(
-				'type'    => 'warning',
-				'content' => __( 'Invoice not found', 'invoicing' ),
-			)
+        echo aui()->alert(
+            array(
+                'type'    => 'warning',
+                'content' => __( 'Invoice not found', 'invoicing' ),
+            )
         );
         return;
     }
 
     if ( $invoice->is_paid() ) {
-		echo aui()->alert(
-			array(
-				'type'    => 'warning',
-				'content' => __( 'Invoice has already been paid', 'invoicing' ),
-			)
+        echo aui()->alert(
+            array(
+                'type'    => 'warning',
+                'content' => __( 'Invoice has already been paid', 'invoicing' ),
+            )
         );
         return;
     }
@@ -1594,7 +1594,7 @@ 
         return "<button class='btn btn-primary getpaid-payment-button' type='button' data-nonce='$nonce' data-form='$form'>$label</button>"; 
     }
 	
-	if ( ! empty( $items ) ) {
+    if ( ! empty( $items ) ) {
         $items  = esc_attr( $items );
         return "<button class='btn btn-primary getpaid-payment-button' type='button' data-nonce='$nonce' data-item='$items'>$label</button>"; 
     }

Spacing +522 added lines, -522 removed lines

@@ -4,99 +4,99 @@ 
  *
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * Displays an invoice.
  * 
  * @param WPInv_Invoice $invoice.
  */
-function getpaid_invoice( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/invoice.php', compact( 'invoice' ) );
+function getpaid_invoice($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/invoice.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice', 'getpaid_invoice', 10 );
+add_action('getpaid_invoice', 'getpaid_invoice', 10);
 
 /**
  * Displays the invoice footer.
  */
-function getpaid_invoice_footer( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/footer.php', compact( 'invoice' ) );
+function getpaid_invoice_footer($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/footer.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_footer', 'getpaid_invoice_footer', 10 );
+add_action('getpaid_invoice_footer', 'getpaid_invoice_footer', 10);
 
 /**
  * Displays the invoice top bar.
  */
-function getpaid_invoice_header( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/header.php', compact( 'invoice' ) );
+function getpaid_invoice_header($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/header.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_header', 'getpaid_invoice_header', 10 );
+add_action('getpaid_invoice_header', 'getpaid_invoice_header', 10);
 
 /**
  * Displays actions on the left side of the header.
  */
-function getpaid_invoice_header_left_actions( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/header-left-actions.php', compact( 'invoice' ) );
+function getpaid_invoice_header_left_actions($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/header-left-actions.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_header_left', 'getpaid_invoice_header_left_actions', 10 );
+add_action('getpaid_invoice_header_left', 'getpaid_invoice_header_left_actions', 10);
 
 /**
  * Displays actions on the right side of the invoice top bar.
  */
-function getpaid_invoice_header_right_actions( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/header-right-actions.php', compact( 'invoice' ) );
+function getpaid_invoice_header_right_actions($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/header-right-actions.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_header_right', 'getpaid_invoice_header_right_actions', 10 );
+add_action('getpaid_invoice_header_right', 'getpaid_invoice_header_right_actions', 10);
 
 /**
  * Displays the invoice title, watermark, logo etc.
  */
-function getpaid_invoice_details_top( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/details-top.php', compact( 'invoice' ) );
+function getpaid_invoice_details_top($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/details-top.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_details', 'getpaid_invoice_details_top', 10 );
+add_action('getpaid_invoice_details', 'getpaid_invoice_details_top', 10);
 
 /**
  * Displays the company logo.
  */
-function getpaid_invoice_logo( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/invoice-logo.php', compact( 'invoice' ) );
+function getpaid_invoice_logo($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/invoice-logo.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_details_top_left', 'getpaid_invoice_logo' );
+add_action('getpaid_invoice_details_top_left', 'getpaid_invoice_logo');
 
 /**
  * Displays the type of invoice.
  */
-function getpaid_invoice_type( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/invoice-type.php', compact( 'invoice' ) );
+function getpaid_invoice_type($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/invoice-type.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_details_top_right', 'getpaid_invoice_type' );
+add_action('getpaid_invoice_details_top_right', 'getpaid_invoice_type');
 
 /**
  * Displays the invoice details.
  */
-function getpaid_invoice_details_main( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/details.php', compact( 'invoice' ) );
+function getpaid_invoice_details_main($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/details.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_details', 'getpaid_invoice_details_main', 50 );
+add_action('getpaid_invoice_details', 'getpaid_invoice_details_main', 50);
 
 /**
  * Returns a path to the templates directory.
@@ -125,8 +125,8 @@ 
  * @param string $template_path The templates directory relative to the theme's root dir. Defaults to 'invoicing'.
  * @param string $default_path The root path to the default template. Defaults to invoicing/templates
  */
-function wpinv_get_template( $template_name, $args = array(), $template_path = '', $default_path = '' ) {
-    return getpaid_template()->display_template( $template_name, $args, $template_path, $default_path );
+function wpinv_get_template($template_name, $args = array(), $template_path = '', $default_path = '') {
+    return getpaid_template()->display_template($template_name, $args, $template_path, $default_path);
 }
 
 /**
@@ -139,8 +139,8 @@ 
  * @param string $template_path The templates directory relative to the theme's root dir. Defaults to 'invoicing'.
  * @param string $default_path The root path to the default template. Defaults to invoicing/templates
  */
-function wpinv_get_template_html( $template_name, $args = array(), $template_path = '', $default_path = '' ) {
-	return getpaid_template()->get_template( $template_name, $args, $template_path, $default_path );
+function wpinv_get_template_html($template_name, $args = array(), $template_path = '', $default_path = '') {
+	return getpaid_template()->get_template($template_name, $args, $template_path, $default_path);
 }
 
 /**
@@ -149,7 +149,7 @@ 
  * @return string
  */
 function wpinv_template_path() {
-    return apply_filters( 'wpinv_template_path', wpinv_get_theme_template_dir_name() );
+    return apply_filters('wpinv_template_path', wpinv_get_theme_template_dir_name());
 }
 
 /**
@@ -158,7 +158,7 @@ 
  * @return string
  */
 function wpinv_get_theme_template_dir_name() {
-	return trailingslashit( apply_filters( 'wpinv_templates_dir', 'invoicing' ) );
+	return trailingslashit(apply_filters('wpinv_templates_dir', 'invoicing'));
 }
 
 /**
@@ -170,56 +170,56 @@ 
  * @param string $template_path The template path relative to the theme's root dir. Defaults to 'invoicing'.
  * @param string $default_path The root path to the default template. Defaults to invoicing/templates
  */
-function wpinv_locate_template( $template_name, $template_path = '', $default_path = '' ) {
-    return getpaid_template()->locate_template( $template_name, $template_path, $default_path );
+function wpinv_locate_template($template_name, $template_path = '', $default_path = '') {
+    return getpaid_template()->locate_template($template_name, $template_path, $default_path);
 }
 
-function wpinv_get_template_part( $slug, $name = null, $load = true ) {
-	do_action( 'get_template_part_' . $slug, $slug, $name );
+function wpinv_get_template_part($slug, $name = null, $load = true) {
+	do_action('get_template_part_' . $slug, $slug, $name);
 
 	// Setup possible parts
 	$templates = array();
-	if ( isset( $name ) )
+	if (isset($name))
 		$templates[] = $slug . '-' . $name . '.php';
 	$templates[] = $slug . '.php';
 
 	// Allow template parts to be filtered
-	$templates = apply_filters( 'wpinv_get_template_part', $templates, $slug, $name );
+	$templates = apply_filters('wpinv_get_template_part', $templates, $slug, $name);
 
 	// Return the part that is found
-	return wpinv_locate_tmpl( $templates, $load, false );
+	return wpinv_locate_tmpl($templates, $load, false);
 }
 
-function wpinv_locate_tmpl( $template_names, $load = false, $require_once = true ) {
+function wpinv_locate_tmpl($template_names, $load = false, $require_once = true) {
 	// No file found yet
 	$located = false;
 
 	// Try to find a template file
-	foreach ( (array)$template_names as $template_name ) {
+	foreach ((array) $template_names as $template_name) {
 
 		// Continue if template is empty
-		if ( empty( $template_name ) )
+		if (empty($template_name))
 			continue;
 
 		// Trim off any slashes from the template name
-		$template_name = ltrim( $template_name, '/' );
+		$template_name = ltrim($template_name, '/');
 
 		// try locating this template file by looping through the template paths
-		foreach( wpinv_get_theme_template_paths() as $template_path ) {
+		foreach (wpinv_get_theme_template_paths() as $template_path) {
 
-			if( file_exists( $template_path . $template_name ) ) {
+			if (file_exists($template_path . $template_name)) {
 				$located = $template_path . $template_name;
 				break;
 			}
 		}
 
-		if( !empty( $located ) ) {
+		if (!empty($located)) {
 			break;
 		}
 	}
 
-	if ( ( true == $load ) && ! empty( $located ) )
-		load_template( $located, $require_once );
+	if ((true == $load) && !empty($located))
+		load_template($located, $require_once);
 
 	return $located;
 }
@@ -228,155 +228,155 @@ 
 	$template_dir = wpinv_get_theme_template_dir_name();
 
 	$file_paths = array(
-		1 => trailingslashit( get_stylesheet_directory() ) . $template_dir,
-		10 => trailingslashit( get_template_directory() ) . $template_dir,
+		1 => trailingslashit(get_stylesheet_directory()) . $template_dir,
+		10 => trailingslashit(get_template_directory()) . $template_dir,
 		100 => wpinv_get_templates_dir()
 	);
 
-	$file_paths = apply_filters( 'wpinv_template_paths', $file_paths );
+	$file_paths = apply_filters('wpinv_template_paths', $file_paths);
 
 	// sort the file paths based on priority
-	ksort( $file_paths, SORT_NUMERIC );
+	ksort($file_paths, SORT_NUMERIC);
 
-	return array_map( 'trailingslashit', $file_paths );
+	return array_map('trailingslashit', $file_paths);
 }
 
 function wpinv_checkout_meta_tags() {
 
 	$pages   = array();
-	$pages[] = wpinv_get_option( 'success_page' );
-	$pages[] = wpinv_get_option( 'failure_page' );
-	$pages[] = wpinv_get_option( 'invoice_history_page' );
-	$pages[] = wpinv_get_option( 'invoice_subscription_page' );
+	$pages[] = wpinv_get_option('success_page');
+	$pages[] = wpinv_get_option('failure_page');
+	$pages[] = wpinv_get_option('invoice_history_page');
+	$pages[] = wpinv_get_option('invoice_subscription_page');
 
-	if( !wpinv_is_checkout() && !is_page( $pages ) ) {
+	if (!wpinv_is_checkout() && !is_page($pages)) {
 		return;
 	}
 
 	echo '<meta name="robots" content="noindex,nofollow" />' . "\n";
 }
-add_action( 'wp_head', 'wpinv_checkout_meta_tags' );
+add_action('wp_head', 'wpinv_checkout_meta_tags');
 
-function wpinv_add_body_classes( $class ) {
-	$classes = (array)$class;
+function wpinv_add_body_classes($class) {
+	$classes = (array) $class;
 
-	if( wpinv_is_checkout() ) {
+	if (wpinv_is_checkout()) {
 		$classes[] = 'wpinv-checkout';
 		$classes[] = 'wpinv-page';
 	}
 
-	if( wpinv_is_success_page() ) {
+	if (wpinv_is_success_page()) {
 		$classes[] = 'wpinv-success';
 		$classes[] = 'wpinv-page';
 	}
 
-	if( wpinv_is_failed_transaction_page() ) {
+	if (wpinv_is_failed_transaction_page()) {
 		$classes[] = 'wpinv-failed-transaction';
 		$classes[] = 'wpinv-page';
 	}
 
-	if( wpinv_is_invoice_history_page() ) {
+	if (wpinv_is_invoice_history_page()) {
 		$classes[] = 'wpinv-history';
 		$classes[] = 'wpinv-page';
 	}
 
-	if( wpinv_is_subscriptions_history_page() ) {
+	if (wpinv_is_subscriptions_history_page()) {
 		$classes[] = 'wpinv-subscription';
 		$classes[] = 'wpinv-page';
 	}
 
-	if( wpinv_is_test_mode() ) {
+	if (wpinv_is_test_mode()) {
 		$classes[] = 'wpinv-test-mode';
 		$classes[] = 'wpinv-page';
 	}
 
-	return array_unique( $classes );
+	return array_unique($classes);
 }
-add_filter( 'body_class', 'wpinv_add_body_classes' );
+add_filter('body_class', 'wpinv_add_body_classes');
 
-function wpinv_html_dropdown( $name = 'wpinv_discounts', $selected = 0, $status = '' ) {
-    $args = array( 'nopaging' => true );
+function wpinv_html_dropdown($name = 'wpinv_discounts', $selected = 0, $status = '') {
+    $args = array('nopaging' => true);
 
-    if ( ! empty( $status ) )
+    if (!empty($status))
         $args['post_status'] = $status;
 
-    $discounts = wpinv_get_discounts( $args );
+    $discounts = wpinv_get_discounts($args);
     $options   = array();
 
-    if ( $discounts ) {
-        foreach ( $discounts as $discount ) {
-            $options[ absint( $discount->ID ) ] = esc_html( get_the_title( $discount->ID ) );
+    if ($discounts) {
+        foreach ($discounts as $discount) {
+            $options[absint($discount->ID)] = esc_html(get_the_title($discount->ID));
         }
     } else {
-        $options[0] = __( 'No discounts found', 'invoicing' );
+        $options[0] = __('No discounts found', 'invoicing');
     }
 
-    $output = wpinv_html_select( array(
+    $output = wpinv_html_select(array(
         'name'             => $name,
         'selected'         => $selected,
         'options'          => $options,
         'show_option_all'  => false,
         'show_option_none' => false,
-    ) );
+    ));
 
     return $output;
 }
 
-function wpinv_html_year_dropdown( $name = 'year', $selected = 0, $years_before = 5, $years_after = 0 ) {
-    $current     = date( 'Y' );
-    $start_year  = $current - absint( $years_before );
-    $end_year    = $current + absint( $years_after );
-    $selected    = empty( $selected ) ? date( 'Y' ) : $selected;
+function wpinv_html_year_dropdown($name = 'year', $selected = 0, $years_before = 5, $years_after = 0) {
+    $current     = date('Y');
+    $start_year  = $current - absint($years_before);
+    $end_year    = $current + absint($years_after);
+    $selected    = empty($selected) ? date('Y') : $selected;
     $options     = array();
 
-    while ( $start_year <= $end_year ) {
-        $options[ absint( $start_year ) ] = $start_year;
+    while ($start_year <= $end_year) {
+        $options[absint($start_year)] = $start_year;
         $start_year++;
     }
 
-    $output = wpinv_html_select( array(
+    $output = wpinv_html_select(array(
         'name'             => $name,
         'selected'         => $selected,
         'options'          => $options,
         'show_option_all'  => false,
         'show_option_none' => false
-    ) );
+    ));
 
     return $output;
 }
 
-function wpinv_html_month_dropdown( $name = 'month', $selected = 0 ) {
+function wpinv_html_month_dropdown($name = 'month', $selected = 0) {
 
     $options = array(
-        '1'  => __( 'January', 'invoicing' ),
-        '2'  => __( 'February', 'invoicing' ),
-        '3'  => __( 'March', 'invoicing' ),
-        '4'  => __( 'April', 'invoicing' ),
-        '5'  => __( 'May', 'invoicing' ),
-        '6'  => __( 'June', 'invoicing' ),
-        '7'  => __( 'July', 'invoicing' ),
-        '8'  => __( 'August', 'invoicing' ),
-        '9'  => __( 'September', 'invoicing' ),
-        '10' => __( 'October', 'invoicing' ),
-        '11' => __( 'November', 'invoicing' ),
-        '12' => __( 'December', 'invoicing' ),
+        '1'  => __('January', 'invoicing'),
+        '2'  => __('February', 'invoicing'),
+        '3'  => __('March', 'invoicing'),
+        '4'  => __('April', 'invoicing'),
+        '5'  => __('May', 'invoicing'),
+        '6'  => __('June', 'invoicing'),
+        '7'  => __('July', 'invoicing'),
+        '8'  => __('August', 'invoicing'),
+        '9'  => __('September', 'invoicing'),
+        '10' => __('October', 'invoicing'),
+        '11' => __('November', 'invoicing'),
+        '12' => __('December', 'invoicing'),
     );
 
     // If no month is selected, default to the current month
-    $selected = empty( $selected ) ? date( 'n' ) : $selected;
+    $selected = empty($selected) ? date('n') : $selected;
 
-    $output = wpinv_html_select( array(
+    $output = wpinv_html_select(array(
         'name'             => $name,
         'selected'         => $selected,
         'options'          => $options,
         'show_option_all'  => false,
         'show_option_none' => false
-    ) );
+    ));
 
     return $output;
 }
 
-function wpinv_html_select( $args = array() ) {
+function wpinv_html_select($args = array()) {
     $defaults = array(
         'options'          => array(),
         'name'             => null,
@@ -385,8 +385,8 @@ 
         'selected'         => 0,
         'placeholder'      => null,
         'multiple'         => false,
-        'show_option_all'  => _x( 'All', 'all dropdown items', 'invoicing' ),
-        'show_option_none' => _x( 'None', 'no dropdown items', 'invoicing' ),
+        'show_option_all'  => _x('All', 'all dropdown items', 'invoicing'),
+        'show_option_none' => _x('None', 'no dropdown items', 'invoicing'),
         'data'             => array(),
         'onchange'         => null,
         'required'         => false,
@@ -394,74 +394,74 @@ 
         'readonly'         => false,
     );
 
-    $args = wp_parse_args( $args, $defaults );
+    $args = wp_parse_args($args, $defaults);
 
     $data_elements = '';
-    foreach ( $args['data'] as $key => $value ) {
-        $data_elements .= ' data-' . esc_attr( $key ) . '="' . esc_attr( $value ) . '"';
+    foreach ($args['data'] as $key => $value) {
+        $data_elements .= ' data-' . esc_attr($key) . '="' . esc_attr($value) . '"';
     }
 
-    if( $args['multiple'] ) {
+    if ($args['multiple']) {
         $multiple = ' MULTIPLE';
     } else {
         $multiple = '';
     }
 
-    if( $args['placeholder'] ) {
+    if ($args['placeholder']) {
         $placeholder = $args['placeholder'];
     } else {
         $placeholder = '';
     }
     
     $options = '';
-    if( !empty( $args['onchange'] ) ) {
-        $options .= ' onchange="' . esc_attr( $args['onchange'] ) . '"';
+    if (!empty($args['onchange'])) {
+        $options .= ' onchange="' . esc_attr($args['onchange']) . '"';
     }
     
-    if( !empty( $args['required'] ) ) {
+    if (!empty($args['required'])) {
         $options .= ' required="required"';
     }
     
-    if( !empty( $args['disabled'] ) ) {
+    if (!empty($args['disabled'])) {
         $options .= ' disabled';
     }
     
-    if( !empty( $args['readonly'] ) ) {
+    if (!empty($args['readonly'])) {
         $options .= ' readonly';
     }
 
-    $class  = implode( ' ', array_map( 'sanitize_html_class', explode( ' ', $args['class'] ) ) );
-    $output = '<select name="' . esc_attr( $args['name'] ) . '" id="' . esc_attr( $args['id'] ) . '" class="wpinv-select ' . $class . '"' . $multiple . ' data-placeholder="' . $placeholder . '" ' . trim( $options ) . $data_elements . '>';
+    $class  = implode(' ', array_map('sanitize_html_class', explode(' ', $args['class'])));
+    $output = '<select name="' . esc_attr($args['name']) . '" id="' . esc_attr($args['id']) . '" class="wpinv-select ' . $class . '"' . $multiple . ' data-placeholder="' . $placeholder . '" ' . trim($options) . $data_elements . '>';
 
-    if ( $args['show_option_all'] ) {
-        if( $args['multiple'] ) {
-            $selected = selected( true, in_array( 0, $args['selected'] ), false );
+    if ($args['show_option_all']) {
+        if ($args['multiple']) {
+            $selected = selected(true, in_array(0, $args['selected']), false);
         } else {
-            $selected = selected( $args['selected'], 0, false );
+            $selected = selected($args['selected'], 0, false);
         }
-        $output .= '<option value="all"' . $selected . '>' . esc_html( $args['show_option_all'] ) . '</option>';
+        $output .= '<option value="all"' . $selected . '>' . esc_html($args['show_option_all']) . '</option>';
     }
 
-    if ( !empty( $args['options'] ) ) {
+    if (!empty($args['options'])) {
 
-        if ( $args['show_option_none'] ) {
-            if( $args['multiple'] ) {
-                $selected = selected( true, in_array( "", $args['selected'] ), false );
+        if ($args['show_option_none']) {
+            if ($args['multiple']) {
+                $selected = selected(true, in_array("", $args['selected']), false);
             } else {
-                $selected = selected( $args['selected'] === "", true, false );
+                $selected = selected($args['selected'] === "", true, false);
             }
-            $output .= '<option value=""' . $selected . '>' . esc_html( $args['show_option_none'] ) . '</option>';
+            $output .= '<option value=""' . $selected . '>' . esc_html($args['show_option_none']) . '</option>';
         }
 
-        foreach( $args['options'] as $key => $option ) {
+        foreach ($args['options'] as $key => $option) {
 
-            if( $args['multiple'] && is_array( $args['selected'] ) ) {
-                $selected = selected( true, (bool)in_array( $key, $args['selected'] ), false );
+            if ($args['multiple'] && is_array($args['selected'])) {
+                $selected = selected(true, (bool) in_array($key, $args['selected']), false);
             } else {
-                $selected = selected( $args['selected'], $key, false );
+                $selected = selected($args['selected'], $key, false);
             }
 
-            $output .= '<option value="' . esc_attr( $key ) . '"' . $selected . '>' . esc_html( $option ) . '</option>';
+            $output .= '<option value="' . esc_attr($key) . '"' . $selected . '>' . esc_html($option) . '</option>';
         }
     }
 
@@ -470,7 +470,7 @@ 
     return $output;
 }
 
-function wpinv_item_dropdown( $args = array() ) {
+function wpinv_item_dropdown($args = array()) {
     $defaults = array(
         'name'              => 'wpi_item',
         'id'                => 'wpi_item',
@@ -478,14 +478,14 @@ 
         'multiple'          => false,
         'selected'          => 0,
         'number'            => 100,
-        'placeholder'       => __( 'Choose a item', 'invoicing' ),
-        'data'              => array( 'search-type' => 'item' ),
+        'placeholder'       => __('Choose a item', 'invoicing'),
+        'data'              => array('search-type' => 'item'),
         'show_option_all'   => false,
         'show_option_none'  => false,
         'show_recurring'    => false,
     );
 
-    $args = wp_parse_args( $args, $defaults );
+    $args = wp_parse_args($args, $defaults);
 
     $item_args = array(
         'post_type'      => 'wpi_item',
@@ -494,44 +494,44 @@ 
         'posts_per_page' => $args['number']
     );
 
-    $item_args  = apply_filters( 'wpinv_item_dropdown_query_args', $item_args, $args, $defaults );
+    $item_args  = apply_filters('wpinv_item_dropdown_query_args', $item_args, $args, $defaults);
 
-    $items      = get_posts( $item_args );
+    $items      = get_posts($item_args);
     $options    = array();
-    if ( $items ) {
-        foreach ( $items as $item ) {
-            $title = esc_html( $item->post_title );
+    if ($items) {
+        foreach ($items as $item) {
+            $title = esc_html($item->post_title);
             
-            if ( !empty( $args['show_recurring'] ) ) {
-                $title .= wpinv_get_item_suffix( $item->ID, false );
+            if (!empty($args['show_recurring'])) {
+                $title .= wpinv_get_item_suffix($item->ID, false);
             }
             
-            $options[ absint( $item->ID ) ] = $title;
+            $options[absint($item->ID)] = $title;
         }
     }
 
     // This ensures that any selected items are included in the drop down
-    if( is_array( $args['selected'] ) ) {
-        foreach( $args['selected'] as $item ) {
-            if( ! in_array( $item, $options ) ) {
-                $title = get_the_title( $item );
-                if ( !empty( $args['show_recurring'] ) ) {
-                    $title .= wpinv_get_item_suffix( $item, false );
+    if (is_array($args['selected'])) {
+        foreach ($args['selected'] as $item) {
+            if (!in_array($item, $options)) {
+                $title = get_the_title($item);
+                if (!empty($args['show_recurring'])) {
+                    $title .= wpinv_get_item_suffix($item, false);
                 }
                 $options[$item] = $title;
             }
         }
-    } elseif ( is_numeric( $args['selected'] ) && $args['selected'] !== 0 ) {
-        if ( ! in_array( $args['selected'], $options ) ) {
-            $title = get_the_title( $args['selected'] );
-            if ( !empty( $args['show_recurring'] ) ) {
-                $title .= wpinv_get_item_suffix( $args['selected'], false );
+    } elseif (is_numeric($args['selected']) && $args['selected'] !== 0) {
+        if (!in_array($args['selected'], $options)) {
+            $title = get_the_title($args['selected']);
+            if (!empty($args['show_recurring'])) {
+                $title .= wpinv_get_item_suffix($args['selected'], false);
             }
-            $options[$args['selected']] = get_the_title( $args['selected'] );
+            $options[$args['selected']] = get_the_title($args['selected']);
         }
     }
 
-    $output = wpinv_html_select( array(
+    $output = wpinv_html_select(array(
         'name'             => $args['name'],
         'selected'         => $args['selected'],
         'id'               => $args['id'],
@@ -542,7 +542,7 @@ 
         'show_option_all'  => $args['show_option_all'],
         'show_option_none' => $args['show_option_none'],
         'data'             => $args['data'],
-    ) );
+    ));
 
     return $output;
 }
@@ -562,16 +562,16 @@ 
     );
 
     $options = array();
-    if ( $items ) {
-        foreach ( $items as $item ) {
-            $options[ $item->ID ] = esc_html( $item->post_title ) . wpinv_get_item_suffix( $item->ID, false );
+    if ($items) {
+        foreach ($items as $item) {
+            $options[$item->ID] = esc_html($item->post_title) . wpinv_get_item_suffix($item->ID, false);
         }
     }
 
     return $options;
 }
 
-function wpinv_html_checkbox( $args = array() ) {
+function wpinv_html_checkbox($args = array()) {
     $defaults = array(
         'name'     => null,
         'current'  => null,
@@ -582,17 +582,17 @@ 
         )
     );
 
-    $args = wp_parse_args( $args, $defaults );
+    $args = wp_parse_args($args, $defaults);
 
-    $class = implode( ' ', array_map( 'sanitize_html_class', explode( ' ', $args['class'] ) ) );
+    $class = implode(' ', array_map('sanitize_html_class', explode(' ', $args['class'])));
     $options = '';
-    if ( ! empty( $args['options']['disabled'] ) ) {
+    if (!empty($args['options']['disabled'])) {
         $options .= ' disabled="disabled"';
-    } elseif ( ! empty( $args['options']['readonly'] ) ) {
+    } elseif (!empty($args['options']['readonly'])) {
         $options .= ' readonly';
     }
 
-    $output = '<input type="checkbox"' . $options . ' name="' . esc_attr( $args['name'] ) . '" id="' . esc_attr( $args['name'] ) . '" class="' . $class . ' ' . esc_attr( $args['name'] ) . '" ' . checked( 1, $args['current'], false ) . ' />';
+    $output = '<input type="checkbox"' . $options . ' name="' . esc_attr($args['name']) . '" id="' . esc_attr($args['name']) . '" class="' . $class . ' ' . esc_attr($args['name']) . '" ' . checked(1, $args['current'], false) . ' />';
 
     return $output;
 }
@@ -600,30 +600,30 @@ 
 /**
  * Displays a hidden field.
  */
-function getpaid_hidden_field( $name, $value ) {
-    $name  = sanitize_text_field( $name );
-    $value = esc_attr( $value );
+function getpaid_hidden_field($name, $value) {
+    $name  = sanitize_text_field($name);
+    $value = esc_attr($value);
 
     echo "<input type='hidden' name='$name' value='$value' />";
 }
 
-function wpinv_html_text( $args = array() ) {
+function wpinv_html_text($args = array()) {
     // Backwards compatibility
-    if ( func_num_args() > 1 ) {
+    if (func_num_args() > 1) {
         $args = func_get_args();
 
         $name  = $args[0];
-        $value = isset( $args[1] ) ? $args[1] : '';
-        $label = isset( $args[2] ) ? $args[2] : '';
-        $desc  = isset( $args[3] ) ? $args[3] : '';
+        $value = isset($args[1]) ? $args[1] : '';
+        $label = isset($args[2]) ? $args[2] : '';
+        $desc  = isset($args[3]) ? $args[3] : '';
     }
 
     $defaults = array(
         'id'           => '',
-        'name'         => isset( $name )  ? $name  : 'text',
-        'value'        => isset( $value ) ? $value : null,
-        'label'        => isset( $label ) ? $label : null,
-        'desc'         => isset( $desc )  ? $desc  : null,
+        'name'         => isset($name) ? $name : 'text',
+        'value'        => isset($value) ? $value : null,
+        'label'        => isset($label) ? $label : null,
+        'desc'         => isset($desc) ? $desc : null,
         'placeholder'  => '',
         'class'        => 'regular-text',
         'disabled'     => false,
@@ -633,51 +633,51 @@ 
         'data'         => false
     );
 
-    $args = wp_parse_args( $args, $defaults );
+    $args = wp_parse_args($args, $defaults);
 
-    $class = implode( ' ', array_map( 'sanitize_html_class', explode( ' ', $args['class'] ) ) );
+    $class = implode(' ', array_map('sanitize_html_class', explode(' ', $args['class'])));
     $options = '';
-    if( $args['required'] ) {
+    if ($args['required']) {
         $options .= ' required="required"';
     }
-    if( $args['readonly'] ) {
+    if ($args['readonly']) {
         $options .= ' readonly';
     }
-    if( $args['readonly'] ) {
+    if ($args['readonly']) {
         $options .= ' readonly';
     }
 
     $data = '';
-    if ( !empty( $args['data'] ) ) {
-        foreach ( $args['data'] as $key => $value ) {
-            $data .= 'data-' . wpinv_sanitize_key( $key ) . '="' . esc_attr( $value ) . '" ';
+    if (!empty($args['data'])) {
+        foreach ($args['data'] as $key => $value) {
+            $data .= 'data-' . wpinv_sanitize_key($key) . '="' . esc_attr($value) . '" ';
         }
     }
 
-    $output = '<span id="wpinv-' . wpinv_sanitize_key( $args['name'] ) . '-wrap">';
-    $output .= '<label class="wpinv-label" for="' . wpinv_sanitize_key( $args['id'] ) . '">' . esc_html( $args['label'] ) . '</label>';
-    if ( ! empty( $args['desc'] ) ) {
-        $output .= '<span class="wpinv-description">' . esc_html( $args['desc'] ) . '</span>';
+    $output = '<span id="wpinv-' . wpinv_sanitize_key($args['name']) . '-wrap">';
+    $output .= '<label class="wpinv-label" for="' . wpinv_sanitize_key($args['id']) . '">' . esc_html($args['label']) . '</label>';
+    if (!empty($args['desc'])) {
+        $output .= '<span class="wpinv-description">' . esc_html($args['desc']) . '</span>';
     }
 
-    $output .= '<input type="text" name="' . esc_attr( $args['name'] ) . '" id="' . esc_attr( $args['id'] )  . '" autocomplete="' . esc_attr( $args['autocomplete'] )  . '" value="' . esc_attr( $args['value'] ) . '" placeholder="' . esc_attr( $args['placeholder'] ) . '" class="' . $class . '" ' . $data . ' ' . trim( $options ) . '/>';
+    $output .= '<input type="text" name="' . esc_attr($args['name']) . '" id="' . esc_attr($args['id']) . '" autocomplete="' . esc_attr($args['autocomplete']) . '" value="' . esc_attr($args['value']) . '" placeholder="' . esc_attr($args['placeholder']) . '" class="' . $class . '" ' . $data . ' ' . trim($options) . '/>';
 
     $output .= '</span>';
 
     return $output;
 }
 
-function wpinv_html_date_field( $args = array() ) {
-    if( empty( $args['class'] ) ) {
+function wpinv_html_date_field($args = array()) {
+    if (empty($args['class'])) {
         $args['class'] = 'wpiDatepicker';
-    } elseif( ! strpos( $args['class'], 'wpiDatepicker' ) ) {
+    } elseif (!strpos($args['class'], 'wpiDatepicker')) {
         $args['class'] .= ' wpiDatepicker';
     }
 
-    return wpinv_html_text( $args );
+    return wpinv_html_text($args);
 }
 
-function wpinv_html_textarea( $args = array() ) {
+function wpinv_html_textarea($args = array()) {
     $defaults = array(
         'name'        => 'textarea',
         'value'       => null,
@@ -688,31 +688,31 @@ 
         'placeholder' => '',
     );
 
-    $args = wp_parse_args( $args, $defaults );
+    $args = wp_parse_args($args, $defaults);
 
-    $class = implode( ' ', array_map( 'sanitize_html_class', explode( ' ', $args['class'] ) ) );
+    $class = implode(' ', array_map('sanitize_html_class', explode(' ', $args['class'])));
     $disabled = '';
-    if( $args['disabled'] ) {
+    if ($args['disabled']) {
         $disabled = ' disabled="disabled"';
     }
 
-    $output = '<span id="wpinv-' . wpinv_sanitize_key( $args['name'] ) . '-wrap">';
-    $output .= '<label class="wpinv-label" for="' . wpinv_sanitize_key( $args['name'] ) . '">' . esc_html( $args['label'] ) . '</label>';
-    $output .= '<textarea name="' . esc_attr( $args['name'] ) . '" placeholder="' . esc_attr( $args['placeholder'] ) . '" id="' . wpinv_sanitize_key( $args['name'] ) . '" class="' . $class . '"' . $disabled . '>' . esc_attr( $args['value'] ) . '</textarea>';
+    $output = '<span id="wpinv-' . wpinv_sanitize_key($args['name']) . '-wrap">';
+    $output .= '<label class="wpinv-label" for="' . wpinv_sanitize_key($args['name']) . '">' . esc_html($args['label']) . '</label>';
+    $output .= '<textarea name="' . esc_attr($args['name']) . '" placeholder="' . esc_attr($args['placeholder']) . '" id="' . wpinv_sanitize_key($args['name']) . '" class="' . $class . '"' . $disabled . '>' . esc_attr($args['value']) . '</textarea>';
 
-    if ( ! empty( $args['desc'] ) ) {
-        $output .= '<span class="wpinv-description">' . esc_html( $args['desc'] ) . '</span>';
+    if (!empty($args['desc'])) {
+        $output .= '<span class="wpinv-description">' . esc_html($args['desc']) . '</span>';
     }
     $output .= '</span>';
 
     return $output;
 }
 
-function wpinv_html_ajax_user_search( $args = array() ) {
+function wpinv_html_ajax_user_search($args = array()) {
     $defaults = array(
         'name'        => 'user_id',
         'value'       => null,
-        'placeholder' => __( 'Enter username', 'invoicing' ),
+        'placeholder' => __('Enter username', 'invoicing'),
         'label'       => null,
         'desc'        => null,
         'class'       => '',
@@ -721,13 +721,13 @@ 
         'data'        => false
     );
 
-    $args = wp_parse_args( $args, $defaults );
+    $args = wp_parse_args($args, $defaults);
 
     $args['class'] = 'wpinv-ajax-user-search ' . $args['class'];
 
     $output  = '<span class="wpinv_user_search_wrap">';
-        $output .= wpinv_html_text( $args );
-        $output .= '<span class="wpinv_user_search_results hidden"><a class="wpinv-ajax-user-cancel" title="' . __( 'Cancel', 'invoicing' ) . '" aria-label="' . __( 'Cancel', 'invoicing' ) . '" href="#">x</a><span></span></span>';
+        $output .= wpinv_html_text($args);
+        $output .= '<span class="wpinv_user_search_results hidden"><a class="wpinv-ajax-user-cancel" title="' . __('Cancel', 'invoicing') . '" aria-label="' . __('Cancel', 'invoicing') . '" href="#">x</a><span></span></span>';
     $output .= '</span>';
 
     return $output;
@@ -743,20 +743,20 @@ 
  * 
  * @param string $template the template that is currently being used.
  */
-function wpinv_template( $template ) {
+function wpinv_template($template) {
     global $post;
 
-    if ( ! is_admin() && ( is_single() || is_404() ) && ! empty( $post->ID ) && getpaid_is_invoice_post_type( get_post_type( $post->ID ) ) ) {
+    if (!is_admin() && (is_single() || is_404()) && !empty($post->ID) && getpaid_is_invoice_post_type(get_post_type($post->ID))) {
 
         // If the user can view this invoice, display it.
-        if ( wpinv_user_can_view_invoice( $post->ID ) ) {
+        if (wpinv_user_can_view_invoice($post->ID)) {
 
-            return wpinv_get_template_part( 'wpinv-invoice-print', false, false );
+            return wpinv_get_template_part('wpinv-invoice-print', false, false);
 
         // Else display an error message.
         } else {
 
-            return wpinv_get_template_part( 'wpinv-invalid-access', false, false );
+            return wpinv_get_template_part('wpinv-invalid-access', false, false);
 
         }
 
@@ -764,46 +764,46 @@ 
 
     return $template;
 }
-add_filter( 'template_include', 'wpinv_template', 10, 1 );
+add_filter('template_include', 'wpinv_template', 10, 1);
 
 function wpinv_get_business_address() {
     $business_address   = wpinv_store_address();
-    $business_address   = !empty( $business_address ) ? wpautop( wp_kses_post( $business_address ) ) : '';
+    $business_address   = !empty($business_address) ? wpautop(wp_kses_post($business_address)) : '';
     
     $business_address = $business_address ? '<div class="address">' . $business_address . '</div>' : '';
     
-    return apply_filters( 'wpinv_get_business_address', $business_address );
+    return apply_filters('wpinv_get_business_address', $business_address);
 }
 
 /**
  * Displays the company address.
  */
 function wpinv_display_from_address() {
-    wpinv_get_template( 'invoice/company-address.php' );
+    wpinv_get_template('invoice/company-address.php');
 }
-add_action( 'getpaid_invoice_details_left', 'wpinv_display_from_address', 10 );
+add_action('getpaid_invoice_details_left', 'wpinv_display_from_address', 10);
 
-function wpinv_watermark( $id = 0 ) {
-    $output = wpinv_get_watermark( $id );
-    return apply_filters( 'wpinv_get_watermark', $output, $id );
+function wpinv_watermark($id = 0) {
+    $output = wpinv_get_watermark($id);
+    return apply_filters('wpinv_get_watermark', $output, $id);
 }
 
-function wpinv_get_watermark( $id ) {
-    if ( !$id > 0 ) {
+function wpinv_get_watermark($id) {
+    if (!$id > 0) {
         return NULL;
     }
 
-    $invoice = wpinv_get_invoice( $id );
+    $invoice = wpinv_get_invoice($id);
     
-    if ( !empty( $invoice ) && "wpi_invoice" === $invoice->post_type ) {
-        if ( $invoice->is_paid() ) {
-            return __( 'Paid', 'invoicing' );
+    if (!empty($invoice) && "wpi_invoice" === $invoice->post_type) {
+        if ($invoice->is_paid()) {
+            return __('Paid', 'invoicing');
         }
-        if ( $invoice->is_refunded() ) {
-            return __( 'Refunded', 'invoicing' );
+        if ($invoice->is_refunded()) {
+            return __('Refunded', 'invoicing');
         }
-        if ( $invoice->has_status( array( 'wpi-cancelled' ) ) ) {
-            return __( 'Cancelled', 'invoicing' );
+        if ($invoice->has_status(array('wpi-cancelled'))) {
+            return __('Cancelled', 'invoicing');
         }
     }
     
@@ -813,140 +813,140 @@ 
 /**
  * @deprecated
  */
-function wpinv_display_invoice_details( $invoice ) {
-    return getpaid_invoice_meta( $invoice );
+function wpinv_display_invoice_details($invoice) {
+    return getpaid_invoice_meta($invoice);
 }
 
 /**
  * Displays invoice meta.
  */
-function getpaid_invoice_meta( $invoice ) {
+function getpaid_invoice_meta($invoice) {
 
-    $invoice = new WPInv_Invoice( $invoice );
+    $invoice = new WPInv_Invoice($invoice);
 
     // Ensure that we have an invoice.
-    if ( 0 == $invoice->get_id() ) {
+    if (0 == $invoice->get_id()) {
         return;
     }
 
     // Load the invoice meta.
-    $meta    = array(
+    $meta = array(
 
         'number' => array(
             'label' => sprintf(
-                __( '%s Number', 'invoicing' ),
-                ucfirst( $invoice->get_type() )
+                __('%s Number', 'invoicing'),
+                ucfirst($invoice->get_type())
             ),
-            'value' => sanitize_text_field( $invoice->get_number() ),
+            'value' => sanitize_text_field($invoice->get_number()),
         ),
 
         'status' => array(
             'label' => sprintf(
-                __( '%s Status', 'invoicing' ),
-                ucfirst( $invoice->get_type() )
+                __('%s Status', 'invoicing'),
+                ucfirst($invoice->get_type())
             ),
             'value' => $invoice->get_status_label_html(),
         ),
 
         'date' => array(
             'label' => sprintf(
-                __( '%s Date', 'invoicing' ),
-                ucfirst( $invoice->get_type() )
+                __('%s Date', 'invoicing'),
+                ucfirst($invoice->get_type())
             ),
-            'value' => getpaid_format_date( $invoice->get_created_date() ),
+            'value' => getpaid_format_date($invoice->get_created_date()),
         ),
 
         'date_paid' => array(
-            'label' => __( 'Paid On', 'invoicing' ),
-            'value' => getpaid_format_date( $invoice->get_completed_date() ),
+            'label' => __('Paid On', 'invoicing'),
+            'value' => getpaid_format_date($invoice->get_completed_date()),
         ),
 
         'gateway'   => array(
-            'label' => __( 'Payment Method', 'invoicing' ),
-            'value' => sanitize_text_field( $invoice->get_gateway_title() ),
+            'label' => __('Payment Method', 'invoicing'),
+            'value' => sanitize_text_field($invoice->get_gateway_title()),
         ),
 
         'transaction_id' => array(
-            'label' => __( 'Transaction ID', 'invoicing' ),
-            'value' => sanitize_text_field( $invoice->get_transaction_id() ),
+            'label' => __('Transaction ID', 'invoicing'),
+            'value' => sanitize_text_field($invoice->get_transaction_id()),
         ),
 
         'due_date'  => array(
-            'label' => __( 'Due Date', 'invoicing' ),
-            'value' => getpaid_format_date( $invoice->get_due_date() ),
+            'label' => __('Due Date', 'invoicing'),
+            'value' => getpaid_format_date($invoice->get_due_date()),
         ),
 
         'vat_number' => array(
             'label' => sprintf(
-                __( '%s Number', 'invoicing' ),
+                __('%s Number', 'invoicing'),
                 getpaid_tax()->get_vat_name()
             ),
-            'value' => sanitize_text_field( $invoice->get_vat_number() ),
+            'value' => sanitize_text_field($invoice->get_vat_number()),
         ),
 
     );
 
     // If it is not paid, remove the date of payment.
-    if ( ! $invoice->is_paid() ) {
-        unset( $meta[ 'date_paid' ] );
-        unset( $meta[ 'transaction_id' ] );
+    if (!$invoice->is_paid()) {
+        unset($meta['date_paid']);
+        unset($meta['transaction_id']);
     }
 
-    if ( ! $invoice->is_paid() || 'none' == $invoice->get_gateway() ) {
-        unset( $meta[ 'gateway' ] );
+    if (!$invoice->is_paid() || 'none' == $invoice->get_gateway()) {
+        unset($meta['gateway']);
     }
 
     // Only display the due date if due dates are enabled.
-    if ( ! $invoice->needs_payment() || ! wpinv_get_option( 'overdue_active' ) ) {
-        unset( $meta[ 'due_date' ] );
+    if (!$invoice->needs_payment() || !wpinv_get_option('overdue_active')) {
+        unset($meta['due_date']);
     }
 
     // Only display the vat number if taxes are enabled.
-    if ( ! wpinv_use_taxes() ) {
-        unset( $meta[ 'vat_number' ] );
+    if (!wpinv_use_taxes()) {
+        unset($meta['vat_number']);
     }
 
-    if ( $invoice->is_recurring() ) {
+    if ($invoice->is_recurring()) {
 
         // Link to the parent invoice.
-        if ( $invoice->is_renewal() ) {
+        if ($invoice->is_renewal()) {
 
-            $meta[ 'parent' ] = array(
+            $meta['parent'] = array(
 
                 'label' => sprintf(
-                    __( 'Parent %s', 'invoicing' ),
-                    ucfirst( $invoice->get_type() )
+                    __('Parent %s', 'invoicing'),
+                    ucfirst($invoice->get_type())
                 ),
 
-                'value' => wpinv_invoice_link( $invoice->get_parent_id() ),
+                'value' => wpinv_invoice_link($invoice->get_parent_id()),
 
             );
 
         }
 
-        $subscription = wpinv_get_subscription( $invoice );
+        $subscription = wpinv_get_subscription($invoice);
 
-        if ( ! empty ( $subscription ) ) {
+        if (!empty ($subscription)) {
 
             // Display the renewal date.
-            if ( $subscription->is_active() && 'cancelled' != $subscription->status ) {
+            if ($subscription->is_active() && 'cancelled' != $subscription->status) {
 
-                $meta[ 'renewal_date' ] = array(
+                $meta['renewal_date'] = array(
 
-                    'label' => __( 'Renews On', 'invoicing' ),
-                    'value' => getpaid_format_date( $subscription->expiration ),
+                    'label' => __('Renews On', 'invoicing'),
+                    'value' => getpaid_format_date($subscription->expiration),
         
                 );
 
             }
 
-            if ( $invoice->is_parent() ) {
+            if ($invoice->is_parent()) {
 
                 // Display the recurring amount.
-                $meta[ 'recurring_total' ] = array(
+                $meta['recurring_total'] = array(
 
-                    'label' => __( 'Recurring Amount', 'invoicing' ),
-                    'value' => wpinv_price( wpinv_format_amount( $subscription->recurring_amount ), $invoice->get_currency() ),
+                    'label' => __('Recurring Amount', 'invoicing'),
+                    'value' => wpinv_price(wpinv_format_amount($subscription->recurring_amount), $invoice->get_currency()),
         
                 );
 
@@ -956,20 +956,20 @@ 
     }
 
     // Add the invoice total to the meta.
-    $meta[ 'invoice_total' ] = array(
+    $meta['invoice_total'] = array(
 
-        'label' => __( 'Total Amount', 'invoicing' ),
-        'value' => wpinv_price( wpinv_format_amount( $invoice->get_total() ), $invoice->get_currency() ),
+        'label' => __('Total Amount', 'invoicing'),
+        'value' => wpinv_price(wpinv_format_amount($invoice->get_total()), $invoice->get_currency()),
 
     );
 
     // Provide a way for third party plugins to filter the meta.
-    $meta = apply_filters( 'getpaid_invoice_meta_data', $meta, $invoice );
+    $meta = apply_filters('getpaid_invoice_meta_data', $meta, $invoice);
 
-    wpinv_get_template( 'invoice/invoice-meta.php', compact( 'invoice', 'meta' ) );
+    wpinv_get_template('invoice/invoice-meta.php', compact('invoice', 'meta'));
 
 }
-add_action( 'getpaid_invoice_details_right', 'getpaid_invoice_meta', 10 );
+add_action('getpaid_invoice_details_right', 'getpaid_invoice_meta', 10);
 
 /**
  * Retrieves the address markup to use on Invoices.
@@ -981,29 +981,29 @@ 
  * @param  string $separator How to separate address lines.
  * @return string
  */
-function wpinv_get_invoice_address_markup( $billing_details, $separator = '<br/>' ) {
+function wpinv_get_invoice_address_markup($billing_details, $separator = '<br/>') {
 
     // Retrieve the address markup...
-    $country= empty( $billing_details['country'] ) ? '' : $billing_details['country'];
-    $format = wpinv_get_full_address_format( $country );
+    $country = empty($billing_details['country']) ? '' : $billing_details['country'];
+    $format = wpinv_get_full_address_format($country);
 
     // ... and the replacements.
-    $replacements = wpinv_get_invoice_address_replacements( $billing_details );
+    $replacements = wpinv_get_invoice_address_replacements($billing_details);
 
-    $formatted_address = str_ireplace( array_keys( $replacements ), $replacements, $format );
+    $formatted_address = str_ireplace(array_keys($replacements), $replacements, $format);
     
 	// Remove unavailable tags.
-    $formatted_address = preg_replace( "/\{\{\w+\}\}/", '', $formatted_address );
+    $formatted_address = preg_replace("/\{\{\w+\}\}/", '', $formatted_address);
 
     // Clean up white space.
-	$formatted_address = preg_replace( '/  +/', ' ', trim( $formatted_address ) );
-    $formatted_address = preg_replace( '/\n\n+/', "\n", $formatted_address );
+	$formatted_address = preg_replace('/  +/', ' ', trim($formatted_address));
+    $formatted_address = preg_replace('/\n\n+/', "\n", $formatted_address);
     
     // Break newlines apart and remove empty lines/trim commas and white space.
-	$formatted_address = array_filter( array_map( 'wpinv_trim_formatted_address_line', explode( "\n", $formatted_address ) ) );
+	$formatted_address = array_filter(array_map('wpinv_trim_formatted_address_line', explode("\n", $formatted_address)));
 
     // Add html breaks.
-	$formatted_address = implode( $separator, $formatted_address );
+	$formatted_address = implode($separator, $formatted_address);
 
 	// We're done!
 	return $formatted_address;
@@ -1015,88 +1015,88 @@ 
  * 
  * @param WPInv_Invoice $invoice
  */
-function wpinv_display_to_address( $invoice = 0 ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/billing-address.php', compact( 'invoice' ) );
+function wpinv_display_to_address($invoice = 0) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/billing-address.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_details_left', 'wpinv_display_to_address', 40 );
+add_action('getpaid_invoice_details_left', 'wpinv_display_to_address', 40);
 
 
 /**
  * Displays invoice line items.
  */
-function wpinv_display_line_items( $invoice_id = 0 ) {
+function wpinv_display_line_items($invoice_id = 0) {
 
     // Prepare the invoice.
-    $invoice = new WPInv_Invoice( $invoice_id );
+    $invoice = new WPInv_Invoice($invoice_id);
 
     // Abort if there is no invoice.
-    if ( 0 == $invoice->get_id() ) {
+    if (0 == $invoice->get_id()) {
         return;
     }
 
     // Line item columns.
-    $columns = getpaid_invoice_item_columns( $invoice );
-    $columns = apply_filters( 'getpaid_invoice_line_items_table_columns', $columns, $invoice );
+    $columns = getpaid_invoice_item_columns($invoice);
+    $columns = apply_filters('getpaid_invoice_line_items_table_columns', $columns, $invoice);
 
-    wpinv_get_template( 'invoice/line-items.php', compact( 'invoice', 'columns' ) );
+    wpinv_get_template('invoice/line-items.php', compact('invoice', 'columns'));
 }
-add_action( 'getpaid_invoice_line_items', 'wpinv_display_line_items', 10 );
+add_action('getpaid_invoice_line_items', 'wpinv_display_line_items', 10);
 
 /**
  * Displays invoice notices on invoices.
  */
 function wpinv_display_invoice_notice() {
 
-    $label  = wpinv_get_option( 'vat_invoice_notice_label' );
-    $notice = wpinv_get_option( 'vat_invoice_notice' );
+    $label  = wpinv_get_option('vat_invoice_notice_label');
+    $notice = wpinv_get_option('vat_invoice_notice');
 
-    if ( empty( $label ) && empty( $notice ) ) {
+    if (empty($label) && empty($notice)) {
         return;
     }
 
     echo '<div class="mt-4 mb-4 wpinv-vat-notice">';
 
-    if ( ! empty( $label ) ) {
-        $label = sanitize_text_field( $label );
+    if (!empty($label)) {
+        $label = sanitize_text_field($label);
         echo "<h5>$label</h5>";
     }
 
-    if ( ! empty( $notice ) ) {
-        echo '<small class="form-text text-muted">' . wpautop( wptexturize( $notice ) ) . '</small>';
+    if (!empty($notice)) {
+        echo '<small class="form-text text-muted">' . wpautop(wptexturize($notice)) . '</small>';
     }
 
     echo '</div>';
 }
-add_action( 'getpaid_invoice_line_items', 'wpinv_display_invoice_notice', 100 );
+add_action('getpaid_invoice_line_items', 'wpinv_display_invoice_notice', 100);
 
 /**
  * @param WPInv_Invoice $invoice
  */
-function wpinv_display_invoice_notes( $invoice ) {
+function wpinv_display_invoice_notes($invoice) {
 
     // Retrieve the notes.
-    $notes = wpinv_get_invoice_notes( $invoice->get_id(), 'customer' );
+    $notes = wpinv_get_invoice_notes($invoice->get_id(), 'customer');
 
     // Abort if we have non.
-    if ( empty( $notes ) ) {
+    if (empty($notes)) {
         return;
     }
 
     // Echo the note.
     echo '<div class="getpaid-invoice-notes-wrapper border position-relative w-100 mb-4 p-0">';
-    echo '<h3 class="getpaid-invoice-notes-title text-dark bg-light border-bottom m-0 d-block">' . __( 'Notes', 'invoicing' ) .'</h3>';
+    echo '<h3 class="getpaid-invoice-notes-title text-dark bg-light border-bottom m-0 d-block">' . __('Notes', 'invoicing') . '</h3>';
     echo '<ul class="getpaid-invoice-notes mt-4 p-0">';
 
-    foreach( $notes as $note ) {
-        wpinv_get_invoice_note_line_item( $note );
+    foreach ($notes as $note) {
+        wpinv_get_invoice_note_line_item($note);
     }
 
     echo '</ul>';
     echo '</div>';
 }
-add_action( 'getpaid_invoice_line_items', 'wpinv_display_invoice_notes', 60 );
+add_action('getpaid_invoice_line_items', 'wpinv_display_invoice_notes', 60);
 
 /**
  * Loads scripts on our invoice templates.
@@ -1104,32 +1104,32 @@ 
 function wpinv_display_style() {
 
     // Make sure that all scripts have been loaded.
-    if ( ! did_action( 'wp_enqueue_scripts' ) ) {
-        do_action( 'wp_enqueue_scripts' );
+    if (!did_action('wp_enqueue_scripts')) {
+        do_action('wp_enqueue_scripts');
     }
 
     // Register the invoices style.
-    wp_register_style( 'wpinv-single-style', WPINV_PLUGIN_URL . 'assets/css/invoice.css', array(), filemtime( WPINV_PLUGIN_DIR . 'assets/css/invoice.css' ) );
+    wp_register_style('wpinv-single-style', WPINV_PLUGIN_URL . 'assets/css/invoice.css', array(), filemtime(WPINV_PLUGIN_DIR . 'assets/css/invoice.css'));
 
     // Load required styles
-    wp_print_styles( 'open-sans' );
-    wp_print_styles( 'wpinv-single-style' );
-    wp_print_styles( 'ayecode-ui' );
+    wp_print_styles('open-sans');
+    wp_print_styles('wpinv-single-style');
+    wp_print_styles('ayecode-ui');
 
     // Maybe load custom css.
-    $custom_css = wpinv_get_option( 'template_custom_css' );
+    $custom_css = wpinv_get_option('template_custom_css');
 
-    if ( isset( $custom_css ) && ! empty( $custom_css ) ) {
-        $custom_css     = wp_kses( $custom_css, array( '\'', '\"' ) );
-        $custom_css     = str_replace( '&gt;', '>', $custom_css );
+    if (isset($custom_css) && !empty($custom_css)) {
+        $custom_css     = wp_kses($custom_css, array('\'', '\"'));
+        $custom_css     = str_replace('&gt;', '>', $custom_css);
         echo '<style type="text/css">';
         echo $custom_css;
         echo '</style>';
     }
 
 }
-add_action( 'wpinv_invoice_print_head', 'wpinv_display_style' );
-add_action( 'wpinv_invalid_invoice_head', 'wpinv_display_style' );
+add_action('wpinv_invoice_print_head', 'wpinv_display_style');
+add_action('wpinv_invalid_invoice_head', 'wpinv_display_style');
 
 
 /**
@@ -1141,41 +1141,41 @@ 
     // Retrieve the current invoice.
     $invoice_id = getpaid_get_current_invoice_id();
 
-    if ( empty( $invoice_id ) ) {
+    if (empty($invoice_id)) {
 
         return aui()->alert(
             array(
                 'type'    => 'warning',
-                'content' => __( 'Invalid invoice', 'invoicing' ),
+                'content' => __('Invalid invoice', 'invoicing'),
             )
         );
 
     }
 
     // Can the user view this invoice?
-    if ( ! wpinv_user_can_view_invoice( $invoice_id ) ) {
+    if (!wpinv_user_can_view_invoice($invoice_id)) {
 
         return aui()->alert(
             array(
                 'type'    => 'warning',
-                'content' => __( 'You are not allowed to view this invoice', 'invoicing' ),
+                'content' => __('You are not allowed to view this invoice', 'invoicing'),
             )
         );
 
     }
 
     // Ensure that it is not yet paid for.
-    $invoice = new WPInv_Invoice( $invoice_id );
+    $invoice = new WPInv_Invoice($invoice_id);
 
     // Maybe mark it as viewed.
-    getpaid_maybe_mark_invoice_as_viewed( $invoice );
+    getpaid_maybe_mark_invoice_as_viewed($invoice);
 
-    if ( $invoice->is_paid() ) {
+    if ($invoice->is_paid()) {
 
         return aui()->alert(
             array(
                 'type'    => 'success',
-                'content' => __( 'This invoice has already been paid.', 'invoicing' ),
+                'content' => __('This invoice has already been paid.', 'invoicing'),
             )
         );
 
@@ -1185,14 +1185,14 @@ 
     $wpi_checkout_id = $invoice_id;
 
     // We'll display this invoice via the default form.
-    $form = new GetPaid_Payment_Form( wpinv_get_default_payment_form() );
+    $form = new GetPaid_Payment_Form(wpinv_get_default_payment_form());
 
-    if ( 0 == $form->get_id() ) {
+    if (0 == $form->get_id()) {
 
         return aui()->alert(
             array(
                 'type'    => 'warning',
-                'content' => __( 'Error loading the payment form', 'invoicing' ),
+                'content' => __('Error loading the payment form', 'invoicing'),
             )
         );
 
@@ -1200,7 +1200,7 @@ 
 
     // Set the invoice.
     $form->invoice = $invoice;
-    $form->set_items( $invoice->get_items() );
+    $form->set_items($invoice->get_items());
 
     // Generate the html.
     return $form->get_html();
@@ -1208,7 +1208,7 @@ 
 }
 
 function wpinv_empty_cart_message() {
-	return apply_filters( 'wpinv_empty_cart_message', '<span class="wpinv_empty_cart">' . __( 'Your cart is empty.', 'invoicing' ) . '</span>' );
+	return apply_filters('wpinv_empty_cart_message', '<span class="wpinv_empty_cart">' . __('Your cart is empty.', 'invoicing') . '</span>');
 }
 
 /**
@@ -1225,38 +1225,38 @@ 
         )
     );
 }
-add_action( 'wpinv_cart_empty', 'wpinv_empty_checkout_cart' );
+add_action('wpinv_cart_empty', 'wpinv_empty_checkout_cart');
 
-function wpinv_receipt_billing_address( $invoice_id = 0 ) {
-    $invoice = wpinv_get_invoice( $invoice_id );
+function wpinv_receipt_billing_address($invoice_id = 0) {
+    $invoice = wpinv_get_invoice($invoice_id);
 
-    if ( empty( $invoice ) ) {
+    if (empty($invoice)) {
         return NULL;
     }
 
     $billing_details = $invoice->get_user_info();
-    $address_row = wpinv_get_invoice_address_markup( $billing_details );
+    $address_row = wpinv_get_invoice_address_markup($billing_details);
 
     ob_start();
     ?>
     <table class="table table-bordered table-sm wpi-billing-details">
         <tbody>
             <tr class="wpi-receipt-name">
-                <th class="text-left"><?php _e( 'Name', 'invoicing' ); ?></th>
-                <td><?php echo esc_html( trim( $billing_details['first_name'] . ' ' . $billing_details['last_name'] ) ) ;?></td>
+                <th class="text-left"><?php _e('Name', 'invoicing'); ?></th>
+                <td><?php echo esc_html(trim($billing_details['first_name'] . ' ' . $billing_details['last_name'])); ?></td>
             </tr>
             <tr class="wpi-receipt-email">
-                <th class="text-left"><?php _e( 'Email', 'invoicing' ); ?></th>
-                <td><?php echo $billing_details['email'] ;?></td>
+                <th class="text-left"><?php _e('Email', 'invoicing'); ?></th>
+                <td><?php echo $billing_details['email']; ?></td>
             </tr>
             <tr class="wpi-receipt-address">
-                <th class="text-left"><?php _e( 'Address', 'invoicing' ); ?></th>
-                <td><?php echo $address_row ;?></td>
+                <th class="text-left"><?php _e('Address', 'invoicing'); ?></th>
+                <td><?php echo $address_row; ?></td>
             </tr>
-            <?php if ( $billing_details['phone'] ) { ?>
+            <?php if ($billing_details['phone']) { ?>
             <tr class="wpi-receipt-phone">
-                <th class="text-left"><?php _e( 'Phone', 'invoicing' ); ?></th>
-                <td><?php echo esc_html( $billing_details['phone'] ) ;?></td>
+                <th class="text-left"><?php _e('Phone', 'invoicing'); ?></th>
+                <td><?php echo esc_html($billing_details['phone']); ?></td>
             </tr>
             <?php } ?>
         </tbody>
@@ -1264,7 +1264,7 @@ 
     <?php
     $output = ob_get_clean();
     
-    $output = apply_filters( 'wpinv_receipt_billing_address', $output, $invoice_id );
+    $output = apply_filters('wpinv_receipt_billing_address', $output, $invoice_id);
 
     echo $output;
 }
@@ -1272,88 +1272,88 @@ 
 /**
  * Filters the receipt page.
  */
-function wpinv_filter_success_page_content( $content ) {
+function wpinv_filter_success_page_content($content) {
 
     // Ensure this is our page.
-    if ( isset( $_GET['payment-confirm'] ) && wpinv_is_success_page() ) {
+    if (isset($_GET['payment-confirm']) && wpinv_is_success_page()) {
 
-        $gateway = sanitize_text_field( $_GET['payment-confirm'] );
-        return apply_filters( "wpinv_payment_confirm_$gateway", $content );
+        $gateway = sanitize_text_field($_GET['payment-confirm']);
+        return apply_filters("wpinv_payment_confirm_$gateway", $content);
 
     }
 
     return $content;
 }
-add_filter( 'the_content', 'wpinv_filter_success_page_content', 99999 );
+add_filter('the_content', 'wpinv_filter_success_page_content', 99999);
 
-function wpinv_invoice_link( $invoice_id ) {
-    $invoice = wpinv_get_invoice( $invoice_id );
+function wpinv_invoice_link($invoice_id) {
+    $invoice = wpinv_get_invoice($invoice_id);
 
-    if ( empty( $invoice ) ) {
+    if (empty($invoice)) {
         return NULL;
     }
 
-    $invoice_link = '<a href="' . esc_url( $invoice->get_view_url() ) . '">' . $invoice->get_number() . '</a>';
+    $invoice_link = '<a href="' . esc_url($invoice->get_view_url()) . '">' . $invoice->get_number() . '</a>';
 
-    return apply_filters( 'wpinv_get_invoice_link', $invoice_link, $invoice );
+    return apply_filters('wpinv_get_invoice_link', $invoice_link, $invoice);
 }
 
-function wpinv_cart_total_label( $label, $invoice ) {
-    if ( empty( $invoice ) ) {
+function wpinv_cart_total_label($label, $invoice) {
+    if (empty($invoice)) {
         return $label;
     }
 
     $prefix_label = '';
-    if ( $invoice->is_parent() && $item_id = $invoice->get_recurring() ) {
-        $prefix_label   = '<span class="label label-primary label-recurring">' . __( 'Recurring Payment', 'invoicing' ) . '</span> ' . wpinv_subscription_payment_desc( $invoice );
-    } else if ( $invoice->is_renewal() ) {
-        $prefix_label   = '<span class="label label-primary label-renewal">' . __( 'Renewal Payment', 'invoicing' ) . '</span> ';        
+    if ($invoice->is_parent() && $item_id = $invoice->get_recurring()) {
+        $prefix_label   = '<span class="label label-primary label-recurring">' . __('Recurring Payment', 'invoicing') . '</span> ' . wpinv_subscription_payment_desc($invoice);
+    } else if ($invoice->is_renewal()) {
+        $prefix_label   = '<span class="label label-primary label-renewal">' . __('Renewal Payment', 'invoicing') . '</span> ';        
     }
 
-    if ( $prefix_label != '' ) {
-        $label  = '<span class="wpinv-cart-sub-desc">' . $prefix_label . '</span> ' . $label;
+    if ($prefix_label != '') {
+        $label = '<span class="wpinv-cart-sub-desc">' . $prefix_label . '</span> ' . $label;
     }
 
     return $label;
 }
-add_filter( 'wpinv_cart_total_label', 'wpinv_cart_total_label', 10, 2 );
-add_filter( 'wpinv_email_cart_total_label', 'wpinv_cart_total_label', 10, 2 );
-add_filter( 'wpinv_print_cart_total_label', 'wpinv_cart_total_label', 10, 2 );
+add_filter('wpinv_cart_total_label', 'wpinv_cart_total_label', 10, 2);
+add_filter('wpinv_email_cart_total_label', 'wpinv_cart_total_label', 10, 2);
+add_filter('wpinv_print_cart_total_label', 'wpinv_cart_total_label', 10, 2);
 
-function wpinv_get_invoice_note_line_item( $note, $echo = true ) {
-    if ( empty( $note ) ) {
+function wpinv_get_invoice_note_line_item($note, $echo = true) {
+    if (empty($note)) {
         return NULL;
     }
 
-    if ( is_int( $note ) ) {
-        $note = get_comment( $note );
+    if (is_int($note)) {
+        $note = get_comment($note);
     }
 
-    if ( !( is_object( $note ) && is_a( $note, 'WP_Comment' ) ) ) {
+    if (!(is_object($note) && is_a($note, 'WP_Comment'))) {
         return NULL;
     }
 
-    $note_classes   = array( 'note' );
-    $note_classes[] = get_comment_meta( $note->comment_ID, '_wpi_customer_note', true ) ? 'customer-note' : '';
+    $note_classes   = array('note');
+    $note_classes[] = get_comment_meta($note->comment_ID, '_wpi_customer_note', true) ? 'customer-note' : '';
     $note_classes[] = $note->comment_author === 'System' ? 'system-note' : '';
-    $note_classes   = apply_filters( 'wpinv_invoice_note_class', array_filter( $note_classes ), $note );
-    $note_classes   = !empty( $note_classes ) ? implode( ' ', $note_classes ) : '';
+    $note_classes   = apply_filters('wpinv_invoice_note_class', array_filter($note_classes), $note);
+    $note_classes   = !empty($note_classes) ? implode(' ', $note_classes) : '';
 
     ob_start();
     ?>
-    <li rel="<?php echo absint( $note->comment_ID ) ; ?>" class="<?php echo esc_attr( $note_classes ); ?> mt-4 pl-3 pr-3">
+    <li rel="<?php echo absint($note->comment_ID); ?>" class="<?php echo esc_attr($note_classes); ?> mt-4 pl-3 pr-3">
         <div class="note_content bg-light border position-relative p-4">
 
-            <?php echo wpautop( wptexturize( wp_kses_post( $note->comment_content ) ) ); ?>
+            <?php echo wpautop(wptexturize(wp_kses_post($note->comment_content))); ?>
 
-            <?php if ( ! is_admin() ) : ?>
+            <?php if (!is_admin()) : ?>
                 <em class="meta position-absolute form-text">
                     <?php
                         printf(
-                            __( '%1$s - %2$s at %3$s', 'invoicing' ),
+                            __('%1$s - %2$s at %3$s', 'invoicing'),
                             $note->comment_author,
-                            getpaid_format_date_value( $note->comment_date ),
-                            date_i18n( get_option( 'time_format' ), strtotime( $note->comment_date ) )
+                            getpaid_format_date_value($note->comment_date),
+                            date_i18n(get_option('time_format'), strtotime($note->comment_date))
                         );
                     ?>
                 </em>
@@ -1361,21 +1361,21 @@ 
 
         </div>
 
-        <?php if ( is_admin() ) : ?>
+        <?php if (is_admin()) : ?>
 
             <p class="meta px-4 py-2">
-                <abbr class="exact-date" title="<?php echo esc_attr( $note->comment_date ); ?>">
+                <abbr class="exact-date" title="<?php echo esc_attr($note->comment_date); ?>">
                     <?php
                         printf(
-                            __( '%1$s - %2$s at %3$s', 'invoicing' ),
+                            __('%1$s - %2$s at %3$s', 'invoicing'),
                             $note->comment_author,
-                            getpaid_format_date_value( $note->comment_date ),
-                            date_i18n( get_option( 'time_format' ), strtotime( $note->comment_date ) )
+                            getpaid_format_date_value($note->comment_date),
+                            date_i18n(get_option('time_format'), strtotime($note->comment_date))
                         );
                     ?>
                 </abbr>&nbsp;&nbsp;
-                <?php if ( $note->comment_author !== 'System' && wpinv_current_user_can_manage_invoicing() ) { ?>
-                    <a href="#" class="delete_note"><?php _e( 'Delete note', 'invoicing' ); ?></a>
+                <?php if ($note->comment_author !== 'System' && wpinv_current_user_can_manage_invoicing()) { ?>
+                    <a href="#" class="delete_note"><?php _e('Delete note', 'invoicing'); ?></a>
                 <?php } ?>
             </p>
 
@@ -1384,9 +1384,9 @@ 
     </li>
     <?php
     $note_content = ob_get_clean();
-    $note_content = apply_filters( 'wpinv_get_invoice_note_line_item', $note_content, $note, $echo );
+    $note_content = apply_filters('wpinv_get_invoice_note_line_item', $note_content, $note, $echo);
 
-    if ( $echo ) {
+    if ($echo) {
         echo $note_content;
     } else {
         return $note_content;
@@ -1396,36 +1396,36 @@ 
 function wpinv_invalid_invoice_content() {
     global $post;
 
-    $invoice = wpinv_get_invoice( $post->ID );
+    $invoice = wpinv_get_invoice($post->ID);
 
-    $error = __( 'This invoice is only viewable by clicking on the invoice link that was sent to you via email.', 'invoicing' );
-    if ( !empty( $invoice->get_id() ) && $invoice->has_status( array_keys( wpinv_get_invoice_statuses() ) ) ) {
-        if ( is_user_logged_in() ) {
-            if ( wpinv_require_login_to_checkout() ) {
-                if ( isset( $_GET['invoice_key'] ) && $_GET['invoice_key'] === $invoice->get_key() ) {
-                    $error = __( 'You are not allowed to view this invoice.', 'invoicing' );
+    $error = __('This invoice is only viewable by clicking on the invoice link that was sent to you via email.', 'invoicing');
+    if (!empty($invoice->get_id()) && $invoice->has_status(array_keys(wpinv_get_invoice_statuses()))) {
+        if (is_user_logged_in()) {
+            if (wpinv_require_login_to_checkout()) {
+                if (isset($_GET['invoice_key']) && $_GET['invoice_key'] === $invoice->get_key()) {
+                    $error = __('You are not allowed to view this invoice.', 'invoicing');
                 }
             }
         } else {
-            if ( wpinv_require_login_to_checkout() ) {
-                if ( isset( $_GET['invoice_key'] ) && $_GET['invoice_key'] === $invoice->get_key() ) {
-                    $error = __( 'You must be logged in to view this invoice.', 'invoicing' );
+            if (wpinv_require_login_to_checkout()) {
+                if (isset($_GET['invoice_key']) && $_GET['invoice_key'] === $invoice->get_key()) {
+                    $error = __('You must be logged in to view this invoice.', 'invoicing');
                 }
             }
         }
     } else {
-        $error = __( 'This invoice is deleted or does not exist.', 'invoicing' );
+        $error = __('This invoice is deleted or does not exist.', 'invoicing');
     }
     ?>
     <div class="row wpinv-row-invalid">
         <div class="col-md-6 col-md-offset-3 wpinv-message error">
-            <h3><?php _e( 'Access Denied', 'invoicing' ); ?></h3>
+            <h3><?php _e('Access Denied', 'invoicing'); ?></h3>
             <p class="wpinv-msg-text"><?php echo $error; ?></p>
         </div>
     </div>
     <?php
 }
-add_action( 'wpinv_invalid_invoice_content', 'wpinv_invalid_invoice_content' );
+add_action('wpinv_invalid_invoice_content', 'wpinv_invalid_invoice_content');
 
 /**
  * Function to get privacy policy text.
@@ -1434,21 +1434,21 @@ 
  * @return string
  */
 function wpinv_get_policy_text() {
-    $privacy_page_id = get_option( 'wp_page_for_privacy_policy', 0 );
+    $privacy_page_id = get_option('wp_page_for_privacy_policy', 0);
 
-    $text = wpinv_get_option('invoicing_privacy_checkout_message', sprintf( __( 'Your personal data will be used to process your invoice, payment and for other purposes described in our %s.', 'invoicing' ), '[wpinv_privacy_policy]' ));
+    $text = wpinv_get_option('invoicing_privacy_checkout_message', sprintf(__('Your personal data will be used to process your invoice, payment and for other purposes described in our %s.', 'invoicing'), '[wpinv_privacy_policy]'));
 
-    if(!$privacy_page_id){
-        $privacy_page_id = wpinv_get_option( 'privacy_page', 0 );
+    if (!$privacy_page_id) {
+        $privacy_page_id = wpinv_get_option('privacy_page', 0);
     }
 
-    $privacy_link    = $privacy_page_id ? '<a href="' . esc_url( get_permalink( $privacy_page_id ) ) . '" class="wpinv-privacy-policy-link" target="_blank">' . __( 'privacy policy', 'invoicing' ) . '</a>' : __( 'privacy policy', 'invoicing' );
+    $privacy_link = $privacy_page_id ? '<a href="' . esc_url(get_permalink($privacy_page_id)) . '" class="wpinv-privacy-policy-link" target="_blank">' . __('privacy policy', 'invoicing') . '</a>' : __('privacy policy', 'invoicing');
 
     $find_replace = array(
         '[wpinv_privacy_policy]' => $privacy_link,
     );
 
-    $privacy_text = str_replace( array_keys( $find_replace ), array_values( $find_replace ), $text );
+    $privacy_text = str_replace(array_keys($find_replace), array_values($find_replace), $text);
 
     return wp_kses_post(wpautop($privacy_text));
 }
@@ -1456,21 +1456,21 @@ 
 function wpinv_oxygen_fix_conflict() {
     global $ct_ignore_post_types;
 
-    if ( ! is_array( $ct_ignore_post_types ) ) {
+    if (!is_array($ct_ignore_post_types)) {
         $ct_ignore_post_types = array();
     }
 
-    $post_types = array( 'wpi_discount', 'wpi_invoice', 'wpi_item' );
+    $post_types = array('wpi_discount', 'wpi_invoice', 'wpi_item');
 
-    foreach ( $post_types as $post_type ) {
+    foreach ($post_types as $post_type) {
         $ct_ignore_post_types[] = $post_type;
 
         // Ignore post type
-        add_filter( 'pre_option_oxygen_vsb_ignore_post_type_' . $post_type, '__return_true', 999 );
+        add_filter('pre_option_oxygen_vsb_ignore_post_type_' . $post_type, '__return_true', 999);
     }
 
-    remove_filter( 'template_include', 'wpinv_template', 10, 1 );
-    add_filter( 'template_include', 'wpinv_template', 999, 1 );
+    remove_filter('template_include', 'wpinv_template', 10, 1);
+    add_filter('template_include', 'wpinv_template', 999, 1);
 }
 
 /**
@@ -1478,10 +1478,10 @@ 
  * 
  * @param GetPaid_Payment_Form $form
  */
-function getpaid_display_payment_form( $form ) {
+function getpaid_display_payment_form($form) {
 
-    if ( is_numeric( $form ) ) {
-        $form = new GetPaid_Payment_Form( $form );
+    if (is_numeric($form)) {
+        $form = new GetPaid_Payment_Form($form);
     }
 
     $form->display();
@@ -1491,16 +1491,16 @@ 
 /**
  * Helper function to display a item payment form on the frontend.
  */
-function getpaid_display_item_payment_form( $items ) {
+function getpaid_display_item_payment_form($items) {
 
-    $form = new GetPaid_Payment_Form( wpinv_get_default_payment_form() );
-    $form->set_items( $items );
+    $form = new GetPaid_Payment_Form(wpinv_get_default_payment_form());
+    $form->set_items($items);
 
-    if ( 0 == count( $form->get_items() ) ) {
+    if (0 == count($form->get_items())) {
         echo aui()->alert(
 			array(
 				'type'    => 'warning',
-				'content' => __( 'No published items found', 'invoicing' ),
+				'content' => __('No published items found', 'invoicing'),
 			)
         );
         return;
@@ -1512,32 +1512,32 @@ 
 /**
  * Helper function to display an invoice payment form on the frontend.
  */
-function getpaid_display_invoice_payment_form( $invoice_id ) {
+function getpaid_display_invoice_payment_form($invoice_id) {
 
-    $invoice = wpinv_get_invoice( $invoice_id );
+    $invoice = wpinv_get_invoice($invoice_id);
 
-    if ( empty( $invoice ) ) {
+    if (empty($invoice)) {
 		echo aui()->alert(
 			array(
 				'type'    => 'warning',
-				'content' => __( 'Invoice not found', 'invoicing' ),
+				'content' => __('Invoice not found', 'invoicing'),
 			)
         );
         return;
     }
 
-    if ( $invoice->is_paid() ) {
+    if ($invoice->is_paid()) {
 		echo aui()->alert(
 			array(
 				'type'    => 'warning',
-				'content' => __( 'Invoice has already been paid', 'invoicing' ),
+				'content' => __('Invoice has already been paid', 'invoicing'),
 			)
         );
         return;
     }
 
-    $form = new GetPaid_Payment_Form( wpinv_get_default_payment_form() );
-    $form->set_items( $invoice->get_items() );
+    $form = new GetPaid_Payment_Form(wpinv_get_default_payment_form());
+    $form->set_items($invoice->get_items());
 
     $form->display();
 }
@@ -1545,23 +1545,23 @@ 
 /**
  * Helper function to convert item string to array.
  */
-function getpaid_convert_items_to_array( $items ) {
-    $items    = array_filter( array_map( 'trim', explode( ',', $items ) ) );
+function getpaid_convert_items_to_array($items) {
+    $items    = array_filter(array_map('trim', explode(',', $items)));
     $prepared = array();
 
-    foreach ( $items as $item ) {
-        $data = array_map( 'trim', explode( '|', $item ) );
+    foreach ($items as $item) {
+        $data = array_map('trim', explode('|', $item));
 
-        if ( empty( $data[0] ) || ! is_numeric( $data[0] ) ) {
+        if (empty($data[0]) || !is_numeric($data[0])) {
             continue;
         }
 
         $quantity = 1;
-        if ( isset( $data[1] ) && is_numeric( $data[1] ) ) {
+        if (isset($data[1]) && is_numeric($data[1])) {
             $quantity = (int) $data[1];
         }
 
-        $prepared[ $data[0] ] = $quantity;
+        $prepared[$data[0]] = $quantity;
 
     }
 
@@ -1571,13 +1571,13 @@ 
 /**
  * Helper function to convert item array to string.
  */
-function getpaid_convert_items_to_string( $items ) {
+function getpaid_convert_items_to_string($items) {
     $prepared = array();
 
-    foreach ( $items as $item => $quantity ) {
+    foreach ($items as $item => $quantity) {
         $prepared[] = "$item|$quantity";
     }
-    return implode( ',', $prepared );
+    return implode(',', $prepared);
 }
 
 /**
@@ -1585,22 +1585,22 @@ 
  * 
  * Provide a label and one of $form, $items or $invoice.
  */
-function getpaid_get_payment_button( $label, $form = null, $items = null, $invoice = null ) {
-    $label = sanitize_text_field( $label );
+function getpaid_get_payment_button($label, $form = null, $items = null, $invoice = null) {
+    $label = sanitize_text_field($label);
     $nonce = wp_create_nonce('getpaid_ajax_form');
 
-    if ( ! empty( $form ) ) {
-        $form  = esc_attr( $form );
+    if (!empty($form)) {
+        $form = esc_attr($form);
         return "<button class='btn btn-primary getpaid-payment-button' type='button' data-nonce='$nonce' data-form='$form'>$label</button>"; 
     }
 	
-	if ( ! empty( $items ) ) {
-        $items  = esc_attr( $items );
+	if (!empty($items)) {
+        $items = esc_attr($items);
         return "<button class='btn btn-primary getpaid-payment-button' type='button' data-nonce='$nonce' data-item='$items'>$label</button>"; 
     }
     
-    if ( ! empty( $invoice ) ) {
-        $invoice  = esc_attr( $invoice );
+    if (!empty($invoice)) {
+        $invoice = esc_attr($invoice);
         return "<button class='btn btn-primary getpaid-payment-button' type='button' data-nonce='$nonce' data-invoice='$invoice'>$label</button>"; 
     }
 
@@ -1611,17 +1611,17 @@ 
  *
  * @param WPInv_Invoice $invoice
  */
-function getpaid_the_invoice_description( $invoice ) {
+function getpaid_the_invoice_description($invoice) {
     $description = $invoice->get_description();
 
-    if ( empty( $description ) ) {
+    if (empty($description)) {
         return;
     }
 
-    $description = wp_kses_post( $description );
+    $description = wp_kses_post($description);
     echo "<small class='getpaid-invoice-description text-dark p-2 form-text'><em>$description</em></small>";
 }
-add_action( 'getpaid_invoice_line_items', 'getpaid_the_invoice_description', 100 );
+add_action('getpaid_invoice_line_items', 'getpaid_the_invoice_description', 100);
 
 /**
  * Render element on a form.
@@ -1629,60 +1629,60 @@ 
  * @param array $element
  * @param GetPaid_Payment_Form $form
  */
-function getpaid_payment_form_element( $element, $form ) {
+function getpaid_payment_form_element($element, $form) {
 
     // Set up the args.
-    $element_type    = trim( $element['type'] );
+    $element_type    = trim($element['type']);
     $element['form'] = $form;
-    extract( $element );
+    extract($element);
 
     // Try to locate the appropriate template.
-    $located = wpinv_locate_template( "payment-forms/elements/$element_type.php" );
+    $located = wpinv_locate_template("payment-forms/elements/$element_type.php");
     
     // Abort if this is not our element.
-    if ( empty( $located ) || ! file_exists( $located ) ) {
+    if (empty($located) || !file_exists($located)) {
         return;
     }
 
     // Generate the class and id of the element.
-    $wrapper_class = 'getpaid-payment-form-element-' . trim( esc_attr( $element_type ) );
-    $id            = isset( $id ) ? $id : uniqid( 'gp' );
+    $wrapper_class = 'getpaid-payment-form-element-' . trim(esc_attr($element_type));
+    $id            = isset($id) ? $id : uniqid('gp');
 
     // Echo the opening wrapper.
     echo "<div class='getpaid-payment-form-element $wrapper_class'>";
 
     // Fires before displaying a given element type's content.
-    do_action( "getpaid_before_payment_form_{$element_type}_element", $element, $form );
+    do_action("getpaid_before_payment_form_{$element_type}_element", $element, $form);
 
     // Include the template for the element.
     include $located;
 
     // Fires after displaying a given element type's content.
-    do_action( "getpaid_payment_form_{$element_type}_element", $element, $form );
+    do_action("getpaid_payment_form_{$element_type}_element", $element, $form);
 
     // Echo the closing wrapper.
     echo '</div>';
 }
-add_action( 'getpaid_payment_form_element', 'getpaid_payment_form_element', 10, 2 );
+add_action('getpaid_payment_form_element', 'getpaid_payment_form_element', 10, 2);
 
 /**
  * Render an element's edit page.
  *
  * @param WP_Post $post
  */
-function getpaid_payment_form_edit_element_template( $post ) {
+function getpaid_payment_form_edit_element_template($post) {
 
     // Retrieve all elements.
-    $all_elements = wp_list_pluck( wpinv_get_data( 'payment-form-elements' ), 'type' );
+    $all_elements = wp_list_pluck(wpinv_get_data('payment-form-elements'), 'type');
 
-    foreach ( $all_elements as $element ) {
+    foreach ($all_elements as $element) {
 
         // Try to locate the appropriate template.
-        $element = sanitize_key( $element );
-        $located = wpinv_locate_template( "payment-forms-admin/edit/$element.php" );
+        $element = sanitize_key($element);
+        $located = wpinv_locate_template("payment-forms-admin/edit/$element.php");
 
         // Continue if this is not our element.
-        if ( empty( $located ) || ! file_exists( $located ) ) {
+        if (empty($located) || !file_exists($located)) {
             continue;
         }
 
@@ -1693,7 +1693,7 @@ 
     }
 
 }
-add_action( 'getpaid_payment_form_edit_element_template', 'getpaid_payment_form_edit_element_template' );
+add_action('getpaid_payment_form_edit_element_template', 'getpaid_payment_form_edit_element_template');
 
 /**
  * Render an element's preview.
@@ -1702,16 +1702,16 @@ 
 function getpaid_payment_form_render_element_preview_template() {
 
     // Retrieve all elements.
-    $all_elements = wp_list_pluck( wpinv_get_data( 'payment-form-elements' ), 'type' );
+    $all_elements = wp_list_pluck(wpinv_get_data('payment-form-elements'), 'type');
 
-    foreach ( $all_elements as $element ) {
+    foreach ($all_elements as $element) {
 
         // Try to locate the appropriate template.
-        $element = sanitize_key( $element );
-        $located = wpinv_locate_template( "payment-forms-admin/previews/$element.php" );
+        $element = sanitize_key($element);
+        $located = wpinv_locate_template("payment-forms-admin/previews/$element.php");
 
         // Continue if this is not our element.
-        if ( empty( $located ) || ! file_exists( $located ) ) {
+        if (empty($located) || !file_exists($located)) {
             continue;
         }
 
@@ -1722,7 +1722,7 @@ 
     }
 
 }
-add_action( 'wpinv_payment_form_render_element_template', 'getpaid_payment_form_render_element_preview_template' );
+add_action('wpinv_payment_form_render_element_template', 'getpaid_payment_form_render_element_preview_template');
 
 /**
  * Shows a list of gateways that support recurring payments.
@@ -1730,17 +1730,17 @@ 
 function wpinv_get_recurring_gateways_text() {
     $gateways = array();
 
-    foreach ( wpinv_get_payment_gateways() as $key => $gateway ) {
-        if ( wpinv_gateway_support_subscription( $key ) ) {
-            $gateways[] = sanitize_text_field( $gateway['admin_label'] );
+    foreach (wpinv_get_payment_gateways() as $key => $gateway) {
+        if (wpinv_gateway_support_subscription($key)) {
+            $gateways[] = sanitize_text_field($gateway['admin_label']);
         }
     }
 
-    if ( empty( $gateways ) ) {
-        return "<span class='form-text text-danger'>" . __( 'No active gateways support subscription payments.', 'invoicing' ) ."</span>";
+    if (empty($gateways)) {
+        return "<span class='form-text text-danger'>" . __('No active gateways support subscription payments.', 'invoicing') . "</span>";
     }
 
-    return "<span class='form-text text-muted'>" . wp_sprintf( __( 'Subscription payments only supported by: %s', 'invoicing' ), implode( ', ', $gateways ) ) ."</span>";
+    return "<span class='form-text text-muted'>" . wp_sprintf(__('Subscription payments only supported by: %s', 'invoicing'), implode(', ', $gateways)) . "</span>";
 
 }
 
@@ -1750,7 +1750,7 @@ 
  * @return GetPaid_Template
  */
 function getpaid_template() {
-    return getpaid()->get( 'template' );
+    return getpaid()->get('template');
 }
 
 /**
@@ -1759,23 +1759,23 @@ 
  * @param array args
  * @return string
  */
-function getpaid_paginate_links( $args ) {
+function getpaid_paginate_links($args) {
 
     $args['type']     = 'array';
     $args['mid_size'] = 1;
-    $pages        = paginate_links( $args );
+    $pages = paginate_links($args);
 
-    if ( ! is_array( $pages ) ) {
+    if (!is_array($pages)) {
         return '';
     }
 
     $_pages = array();
-    foreach ( $pages as $page ) {
-        $_pages[] = str_replace( 'page-numbers', 'page-link text-decoration-none', $page );
+    foreach ($pages as $page) {
+        $_pages[] = str_replace('page-numbers', 'page-link text-decoration-none', $page);
     }
 
     $links  = "<nav>\n\t<ul class='pagination justify-content-end m-0'>\n\t\t<li class='page-item'>";
-    $links .= join( "</li>\n\t\t<li class='page-item'>", $_pages );
+    $links .= join("</li>\n\t\t<li class='page-item'>", $_pages);
     $links .= "</li>\n\t</ul>\n</nav>\n";
 
     return $links;

includes/data/zip-regexes.php

Spacing +1 added lines, -1 removed lines

@@ -6,7 +6,7 @@
  * @package Invoicing/data
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 return array(
     "AD" => "AD\d{3}",

includes/class-wpinv-invoice.php

Braces +1 added lines, -1 removed lines

@@ -156,7 +156,7 @@
 			$this->set_id( $invoice_id );
 		} elseif ( is_scalar( $invoice ) && $invoice_id = self::get_invoice_id_by_field( $invoice, 'transaction_id' ) ) {
 			$this->set_id( $invoice_id );
-		}else {
+		} else {
 			$this->set_object_read( true );
 		}
 

Indentation +2332 added lines, -2332 removed lines

@@ -14,30 +14,30 @@ 
 class WPInv_Invoice extends GetPaid_Data {
 
     /**
-	 * Which data store to load.
-	 *
-	 * @var string
-	 */
+     * Which data store to load.
+     *
+     * @var string
+     */
     protected $data_store_name = 'invoice';
 
     /**
-	 * This is the name of this object type.
-	 *
-	 * @var string
-	 */
+     * This is the name of this object type.
+     *
+     * @var string
+     */
     protected $object_type = 'invoice';
 
     /**
-	 * Item Data array. This is the core item data exposed in APIs.
-	 *
-	 * @since 1.0.19
-	 * @var array
-	 */
-	protected $data = array(
-		'parent_id'            => 0,
-		'status'               => 'wpi-pending',
-		'version'              => '',
-		'date_created'         => null,
+     * Item Data array. This is the core item data exposed in APIs.
+     *
+     * @since 1.0.19
+     * @var array
+     */
+    protected $data = array(
+        'parent_id'            => 0,
+        'status'               => 'wpi-pending',
+        'version'              => '',
+        'date_created'         => null,
         'date_modified'        => null,
         'due_date'             => null,
         'completed_date'       => null,
@@ -79,22 +79,22 @@ 
         'transaction_id'       => '',
         'currency'             => '',
         'disable_taxes'        => false,
-		'subscription_id'      => null,
-		'remote_subscription_id' => null,
-		'is_viewed'            => false,
-		'email_cc'             => '',
-		'template'             => 'quantity', // hours, amount only
-		'created_via'          => null,
+        'subscription_id'      => null,
+        'remote_subscription_id' => null,
+        'is_viewed'            => false,
+        'email_cc'             => '',
+        'template'             => 'quantity', // hours, amount only
+        'created_via'          => null,
     );
 
     /**
-	 * Stores meta in cache for future reads.
-	 *
-	 * A group must be set to to enable caching.
-	 *
-	 * @var string
-	 */
-	protected $cache_group = 'getpaid_invoices';
+     * Stores meta in cache for future reads.
+     *
+     * A group must be set to to enable caching.
+     *
+     * @var string
+     */
+    protected $cache_group = 'getpaid_invoices';
 
     /**
      * Stores a reference to the original WP_Post object
@@ -108,104 +108,104 @@ 
      *
      * @var int
      */
-	protected $recurring_item = null;
+    protected $recurring_item = null;
 
-	/**
+    /**
      * Stores an array of item totals.
-	 *
-	 * e.g $totals['discount'] = array(
-	 * 		'initial'   => 10,
-	 * 		'recurring' => 10,
-	 * )
+     *
+     * e.g $totals['discount'] = array(
+     * 		'initial'   => 10,
+     * 		'recurring' => 10,
+     * )
      *
      * @var array
      */
-	protected $totals = array();
+    protected $totals = array();
 
-	/**
-	 * Stores the status transition information.
-	 *
-	 * @since 1.0.19
-	 * @var bool
-	 */
-	protected $status_transition = false;
+    /**
+     * Stores the status transition information.
+     *
+     * @since 1.0.19
+     * @var bool
+     */
+    protected $status_transition = false;
 
     /**
-	 * Get the invoice if ID is passed, otherwise the invoice is new and empty.
-	 *
-	 * @param  int|string|object|WPInv_Invoice|WPInv_Legacy_Invoice|WP_Post $invoice Invoice id, key, transaction id, number or object to read.
-	 */
+     * Get the invoice if ID is passed, otherwise the invoice is new and empty.
+     *
+     * @param  int|string|object|WPInv_Invoice|WPInv_Legacy_Invoice|WP_Post $invoice Invoice id, key, transaction id, number or object to read.
+     */
     public function __construct( $invoice = false ) {
 
         parent::__construct( $invoice );
 
-		if ( ! empty( $invoice ) && is_numeric( $invoice ) && getpaid_is_invoice_post_type( get_post_type( $invoice ) ) ) {
-			$this->set_id( $invoice );
-		} elseif ( $invoice instanceof self ) {
-			$this->set_id( $invoice->get_id() );
-		} elseif ( ! empty( $invoice->ID ) ) {
-			$this->set_id( $invoice->ID );
-		} elseif ( is_array( $invoice ) ) {
-			$this->set_props( $invoice );
-
-			if ( isset( $invoice['ID'] ) ) {
-				$this->set_id( $invoice['ID'] );
-			}
-
-		} elseif ( is_scalar( $invoice ) && $invoice_id = self::get_invoice_id_by_field( $invoice, 'key' ) ) {
-			$this->set_id( $invoice_id );
-		} elseif ( is_scalar( $invoice ) && $invoice_id = self::get_invoice_id_by_field( $invoice, 'number' ) ) {
-			$this->set_id( $invoice_id );
-		} elseif ( is_scalar( $invoice ) && $invoice_id = self::get_invoice_id_by_field( $invoice, 'transaction_id' ) ) {
-			$this->set_id( $invoice_id );
-		}else {
-			$this->set_object_read( true );
-		}
+        if ( ! empty( $invoice ) && is_numeric( $invoice ) && getpaid_is_invoice_post_type( get_post_type( $invoice ) ) ) {
+            $this->set_id( $invoice );
+        } elseif ( $invoice instanceof self ) {
+            $this->set_id( $invoice->get_id() );
+        } elseif ( ! empty( $invoice->ID ) ) {
+            $this->set_id( $invoice->ID );
+        } elseif ( is_array( $invoice ) ) {
+            $this->set_props( $invoice );
+
+            if ( isset( $invoice['ID'] ) ) {
+                $this->set_id( $invoice['ID'] );
+            }
+
+        } elseif ( is_scalar( $invoice ) && $invoice_id = self::get_invoice_id_by_field( $invoice, 'key' ) ) {
+            $this->set_id( $invoice_id );
+        } elseif ( is_scalar( $invoice ) && $invoice_id = self::get_invoice_id_by_field( $invoice, 'number' ) ) {
+            $this->set_id( $invoice_id );
+        } elseif ( is_scalar( $invoice ) && $invoice_id = self::get_invoice_id_by_field( $invoice, 'transaction_id' ) ) {
+            $this->set_id( $invoice_id );
+        }else {
+            $this->set_object_read( true );
+        }
 
         // Load the datastore.
-		$this->data_store = GetPaid_Data_Store::load( $this->data_store_name );
+        $this->data_store = GetPaid_Data_Store::load( $this->data_store_name );
 
-		if ( $this->get_id() > 0 ) {
+        if ( $this->get_id() > 0 ) {
             $this->post = get_post( $this->get_id() );
             $this->ID   = $this->get_id();
-			$this->data_store->read( $this );
+            $this->data_store->read( $this );
         }
 
     }
 
     /**
-	 * Given an invoice key/number, it returns its id.
-	 *
-	 *
-	 * @static
-	 * @param string $value The invoice key or number
-	 * @param string $field Either key, transaction_id or number.
-	 * @since 1.0.15
-	 * @return int
-	 */
-	public static function get_invoice_id_by_field( $value, $field = 'key' ) {
+     * Given an invoice key/number, it returns its id.
+     *
+     *
+     * @static
+     * @param string $value The invoice key or number
+     * @param string $field Either key, transaction_id or number.
+     * @since 1.0.15
+     * @return int
+     */
+    public static function get_invoice_id_by_field( $value, $field = 'key' ) {
         global $wpdb;
 
-		// Trim the value.
-		$value = trim( $value );
+        // Trim the value.
+        $value = trim( $value );
 
-		if ( empty( $value ) ) {
-			return 0;
-		}
+        if ( empty( $value ) ) {
+            return 0;
+        }
 
         // Valid fields.
         $fields = array( 'key', 'number', 'transaction_id' );
 
-		// Ensure a field has been passed.
-		if ( empty( $field ) || ! in_array( $field, $fields ) ) {
-			return 0;
-		}
+        // Ensure a field has been passed.
+        if ( empty( $field ) || ! in_array( $field, $fields ) ) {
+            return 0;
+        }
 
-		// Maybe retrieve from the cache.
-		$invoice_id   = wp_cache_get( $value, "getpaid_invoice_{$field}s_to_invoice_ids" );
-		if ( false !== $invoice_id ) {
-			return $invoice_id;
-		}
+        // Maybe retrieve from the cache.
+        $invoice_id   = wp_cache_get( $value, "getpaid_invoice_{$field}s_to_invoice_ids" );
+        if ( false !== $invoice_id ) {
+            return $invoice_id;
+        }
 
         // Fetch from the db.
         $table       = $wpdb->prefix . 'getpaid_invoices';
@@ -213,10 +213,10 @@ 
             $wpdb->prepare( "SELECT `post_id` FROM $table WHERE `$field`=%s LIMIT 1", $value )
         );
 
-		// Update the cache with our data
-		wp_cache_set( $value, $invoice_id, "getpaid_invoice_{$field}s_to_invoice_ids" );
+        // Update the cache with our data
+        wp_cache_set( $value, $invoice_id, "getpaid_invoice_{$field}s_to_invoice_ids" );
 
-		return $invoice_id;
+        return $invoice_id;
     }
 
     /**
@@ -242,80 +242,80 @@ 
     */
 
     /**
-	 * Get parent invoice ID.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_parent_id( $context = 'view' ) {
-		return (int) $this->get_prop( 'parent_id', $context );
+     * Get parent invoice ID.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_parent_id( $context = 'view' ) {
+        return (int) $this->get_prop( 'parent_id', $context );
     }
 
     /**
-	 * Get parent invoice.
-	 *
-	 * @since 1.0.19
-	 * @return WPInv_Invoice
-	 */
+     * Get parent invoice.
+     *
+     * @since 1.0.19
+     * @return WPInv_Invoice
+     */
     public function get_parent_payment() {
         return new WPInv_Invoice( $this->get_parent_id() );
     }
 
     /**
-	 * Alias for self::get_parent_payment().
-	 *
-	 * @since 1.0.19
-	 * @return WPInv_Invoice
-	 */
+     * Alias for self::get_parent_payment().
+     *
+     * @since 1.0.19
+     * @return WPInv_Invoice
+     */
     public function get_parent() {
         return $this->get_parent_payment();
     }
 
     /**
-	 * Get invoice status.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_status( $context = 'view' ) {
-		return $this->get_prop( 'status', $context );
-	}
+     * Get invoice status.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_status( $context = 'view' ) {
+        return $this->get_prop( 'status', $context );
+    }
 	
-	/**
-	 * Retrieves an array of possible invoice statuses.
-	 *
-	 * @since 1.0.19
-	 * @return array
-	 */
-	public function get_all_statuses() {
-
-		$statuses = wpinv_get_invoice_statuses( true, true, $this );
-
-		// For backwards compatibility.
-		if ( $this->is_quote() && class_exists( 'Wpinv_Quotes_Shared' ) ) {
+    /**
+     * Retrieves an array of possible invoice statuses.
+     *
+     * @since 1.0.19
+     * @return array
+     */
+    public function get_all_statuses() {
+
+        $statuses = wpinv_get_invoice_statuses( true, true, $this );
+
+        // For backwards compatibility.
+        if ( $this->is_quote() && class_exists( 'Wpinv_Quotes_Shared' ) ) {
             $statuses = Wpinv_Quotes_Shared::wpinv_get_quote_statuses();
-		}
+        }
 
-		return $statuses;
+        return $statuses;
     }
 
     /**
-	 * Get invoice status nice name.
-	 *
-	 * @since 1.0.19
-	 * @return string
-	 */
+     * Get invoice status nice name.
+     *
+     * @since 1.0.19
+     * @return string
+     */
     public function get_status_nicename() {
-		$statuses = $this->get_all_statuses();
+        $statuses = $this->get_all_statuses();
 
         $status = isset( $statuses[ $this->get_status() ] ) ? $statuses[ $this->get_status() ] : $this->get_status();
 
         return apply_filters( 'wpinv_get_invoice_status_nicename', $status, $this );
     }
 
-	/**
+    /**
      * Retrieves the invoice status label html
      *
      * @since  1.0.0
@@ -323,262 +323,262 @@ 
      */
     public function get_status_label_html() {
 
-		$status_label = sanitize_text_field( $this->get_status_nicename() );
-		$status       = sanitize_html_class( $this->get_status() );
+        $status_label = sanitize_text_field( $this->get_status_nicename() );
+        $status       = sanitize_html_class( $this->get_status() );
 
-		return "<span class='bsui'><span class='d-inline-block py-2 px-3 rounded getpaid-invoice-status-$status'>$status_label</span></span>";
-	}
+        return "<span class='bsui'><span class='d-inline-block py-2 px-3 rounded getpaid-invoice-status-$status'>$status_label</span></span>";
+    }
 
     /**
-	 * Get plugin version when the invoice was created.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_version( $context = 'view' ) {
-		return $this->get_prop( 'version', $context );
-	}
+     * Get plugin version when the invoice was created.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_version( $context = 'view' ) {
+        return $this->get_prop( 'version', $context );
+    }
 
-	/**
-	 * @deprecated
-	 */
-	public function get_invoice_date( $format = true ) {
-		$date      = getpaid_format_date( $this->get_date_completed() );
-		$date      = empty( $date ) ? $this->get_date_created() : $this->get_date_completed();
-		$formatted = getpaid_format_date( $date );
+    /**
+     * @deprecated
+     */
+    public function get_invoice_date( $format = true ) {
+        $date      = getpaid_format_date( $this->get_date_completed() );
+        $date      = empty( $date ) ? $this->get_date_created() : $this->get_date_completed();
+        $formatted = getpaid_format_date( $date );
 
-		if ( $format ) {
-			return $formatted;
-		}
+        if ( $format ) {
+            return $formatted;
+        }
 
-		return empty( $formatted ) ? '' : $date;
+        return empty( $formatted ) ? '' : $date;
 
     }
 
     /**
-	 * Get date when the invoice was created.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_date_created( $context = 'view' ) {
-		return $this->get_prop( 'date_created', $context );
-	}
+     * Get date when the invoice was created.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_date_created( $context = 'view' ) {
+        return $this->get_prop( 'date_created', $context );
+    }
 	
-	/**
-	 * Alias for self::get_date_created().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_created_date( $context = 'view' ) {
-		return $this->get_date_created( $context );
-    }
-
-    /**
-	 * Get GMT date when the invoice was created.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_date_created_gmt( $context = 'view' ) {
+    /**
+     * Alias for self::get_date_created().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_created_date( $context = 'view' ) {
+        return $this->get_date_created( $context );
+    }
+
+    /**
+     * Get GMT date when the invoice was created.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_date_created_gmt( $context = 'view' ) {
         $date = $this->get_date_created( $context );
 
         if ( $date ) {
             $date = get_gmt_from_date( $date );
         }
-		return $date;
+        return $date;
     }
 
     /**
-	 * Get date when the invoice was last modified.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_date_modified( $context = 'view' ) {
-		return $this->get_prop( 'date_modified', $context );
-	}
+     * Get date when the invoice was last modified.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_date_modified( $context = 'view' ) {
+        return $this->get_prop( 'date_modified', $context );
+    }
 
-	/**
-	 * Alias for self::get_date_modified().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_modified_date( $context = 'view' ) {
-		return $this->get_date_modified( $context );
+    /**
+     * Alias for self::get_date_modified().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_modified_date( $context = 'view' ) {
+        return $this->get_date_modified( $context );
     }
 
     /**
-	 * Get GMT date when the invoice was last modified.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_date_modified_gmt( $context = 'view' ) {
+     * Get GMT date when the invoice was last modified.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_date_modified_gmt( $context = 'view' ) {
         $date = $this->get_date_modified( $context );
 
         if ( $date ) {
             $date = get_gmt_from_date( $date );
         }
-		return $date;
+        return $date;
     }
 
     /**
-	 * Get the invoice due date.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_due_date( $context = 'view' ) {
-		return $this->get_prop( 'due_date', $context );
+     * Get the invoice due date.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_due_date( $context = 'view' ) {
+        return $this->get_prop( 'due_date', $context );
     }
 
     /**
-	 * Alias for self::get_due_date().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_date_due( $context = 'view' ) {
-		return $this->get_due_date( $context );
+     * Alias for self::get_due_date().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_date_due( $context = 'view' ) {
+        return $this->get_due_date( $context );
     }
 
     /**
-	 * Get the invoice GMT due date.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_due_date_gmt( $context = 'view' ) {
+     * Get the invoice GMT due date.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_due_date_gmt( $context = 'view' ) {
         $date = $this->get_due_date( $context );
 
         if ( $date ) {
             $date = get_gmt_from_date( $date );
         }
-		return $date;
+        return $date;
     }
 
     /**
-	 * Alias for self::get_due_date_gmt().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_gmt_date_due( $context = 'view' ) {
-		return $this->get_due_date_gmt( $context );
+     * Alias for self::get_due_date_gmt().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_gmt_date_due( $context = 'view' ) {
+        return $this->get_due_date_gmt( $context );
     }
 
     /**
-	 * Get date when the invoice was completed.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_completed_date( $context = 'view' ) {
-		return $this->get_prop( 'completed_date', $context );
+     * Get date when the invoice was completed.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_completed_date( $context = 'view' ) {
+        return $this->get_prop( 'completed_date', $context );
     }
 
     /**
-	 * Alias for self::get_completed_date().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_date_completed( $context = 'view' ) {
-		return $this->get_completed_date( $context );
+     * Alias for self::get_completed_date().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_date_completed( $context = 'view' ) {
+        return $this->get_completed_date( $context );
     }
 
     /**
-	 * Get GMT date when the invoice was was completed.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_completed_date_gmt( $context = 'view' ) {
+     * Get GMT date when the invoice was was completed.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_completed_date_gmt( $context = 'view' ) {
         $date = $this->get_completed_date( $context );
 
         if ( $date ) {
             $date = get_gmt_from_date( $date );
         }
-		return $date;
+        return $date;
     }
 
     /**
-	 * Alias for self::get_completed_date_gmt().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_gmt_completed_date( $context = 'view' ) {
-		return $this->get_completed_date_gmt( $context );
+     * Alias for self::get_completed_date_gmt().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_gmt_completed_date( $context = 'view' ) {
+        return $this->get_completed_date_gmt( $context );
     }
 
     /**
-	 * Get the invoice number.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_number( $context = 'view' ) {
-		$number = $this->get_prop( 'number', $context );
+     * Get the invoice number.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_number( $context = 'view' ) {
+        $number = $this->get_prop( 'number', $context );
 
-		if ( empty( $number ) ) {
-			$number = $this->generate_number();
-			$this->set_number( $this->generate_number() );
-		}
+        if ( empty( $number ) ) {
+            $number = $this->generate_number();
+            $this->set_number( $this->generate_number() );
+        }
 
-		return $number;
+        return $number;
     }
 
-	/**
-	 * Set the invoice number.
-	 *
-	 * @since 1.0.19
-	 */
-	public function maybe_set_number() {
+    /**
+     * Set the invoice number.
+     *
+     * @since 1.0.19
+     */
+    public function maybe_set_number() {
         $number = $this->get_number();
 
         if ( empty( $number ) || $this->get_id() == $number ) {
-			$this->set_number( $this->generate_number() );
+            $this->set_number( $this->generate_number() );
         }
 
-	}
+    }
 
     /**
-	 * Get the invoice key.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_key( $context = 'view' ) {
+     * Get the invoice key.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_key( $context = 'view' ) {
         return $this->get_prop( 'key', $context );
-	}
-
-	/**
-	 * Set the invoice key.
-	 *
-	 * @since 1.0.19
-	 */
-	public function maybe_set_key() {
+    }
+
+    /**
+     * Set the invoice key.
+     *
+     * @since 1.0.19
+     */
+    public function maybe_set_key() {
         $key = $this->get_key();
 
         if ( empty( $key ) ) {
@@ -589,126 +589,126 @@ 
     }
 
     /**
-	 * Get the invoice type.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_type( $context = 'view' ) {
+     * Get the invoice type.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_type( $context = 'view' ) {
         return $this->get_prop( 'type', $context );
-	}
+    }
 
-	/**
-	 * @deprecated
-	 */
-	public function get_invoice_quote_type() {
+    /**
+     * @deprecated
+     */
+    public function get_invoice_quote_type() {
         ucfirst( $this->get_type() );
     }
 
     /**
-	 * Get the invoice post type.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_post_type( $context = 'view' ) {
+     * Get the invoice post type.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_post_type( $context = 'view' ) {
         return $this->get_prop( 'post_type', $context );
     }
 
     /**
-	 * Get the invoice mode.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_mode( $context = 'view' ) {
+     * Get the invoice mode.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_mode( $context = 'view' ) {
         return $this->get_prop( 'mode', $context );
     }
 
     /**
-	 * Get the invoice path.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_path( $context = 'view' ) {
+     * Get the invoice path.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_path( $context = 'view' ) {
         $path   = $this->get_prop( 'path', $context );
-		$prefix = wpinv_post_name_prefix( $this->get_post_type() );
+        $prefix = wpinv_post_name_prefix( $this->get_post_type() );
 
-		if ( 0 !== strpos( $path, $prefix ) ) {
-			$path = sanitize_title(  $prefix . $this->get_id()  );
-			$this->set_path( $path );
-		}
+        if ( 0 !== strpos( $path, $prefix ) ) {
+            $path = sanitize_title(  $prefix . $this->get_id()  );
+            $this->set_path( $path );
+        }
 
-		return $path;
+        return $path;
     }
 
     /**
-	 * Get the invoice name/title.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_name( $context = 'view' ) {
+     * Get the invoice name/title.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_name( $context = 'view' ) {
         return $this->get_prop( 'title', $context );
     }
 
     /**
-	 * Alias of self::get_name().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_title( $context = 'view' ) {
-		return $this->get_name( $context );
+     * Alias of self::get_name().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_title( $context = 'view' ) {
+        return $this->get_name( $context );
     }
 
     /**
-	 * Get the invoice description.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_description( $context = 'view' ) {
-		return $this->get_prop( 'description', $context );
+     * Get the invoice description.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_description( $context = 'view' ) {
+        return $this->get_prop( 'description', $context );
     }
 
     /**
-	 * Alias of self::get_description().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_excerpt( $context = 'view' ) {
-		return $this->get_description( $context );
+     * Alias of self::get_description().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_excerpt( $context = 'view' ) {
+        return $this->get_description( $context );
     }
 
     /**
-	 * Alias of self::get_description().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_summary( $context = 'view' ) {
-		return $this->get_description( $context );
+     * Alias of self::get_description().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_summary( $context = 'view' ) {
+        return $this->get_description( $context );
     }
 
     /**
-	 * Returns the user info.
-	 *
-	 * @since 1.0.19
+     * Returns the user info.
+     *
+     * @since 1.0.19
      * @param  string $context View or edit context.
-	 * @return array
-	 */
+     * @return array
+     */
     public function get_user_info( $context = 'view' ) {
 
         $user_info = array(
@@ -725,616 +725,616 @@ 
             'company'    => $this->get_company( $context ),
             'vat_number' => $this->get_vat_number( $context ),
             'discount'   => $this->get_discount_code( $context ),
-		);
+        );
+
+        return apply_filters( 'wpinv_user_info', $user_info, $this->get_id(), $this );
+
+    }
+
+    /**
+     * Get the customer id.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_author( $context = 'view' ) {
+        return (int) $this->get_prop( 'author', $context );
+    }
+
+    /**
+     * Alias of self::get_author().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_user_id( $context = 'view' ) {
+        return $this->get_author( $context );
+    }
+
+        /**
+         * Alias of self::get_author().
+         *
+         * @since 1.0.19
+         * @param  string $context View or edit context.
+         * @return int
+         */
+    public function get_customer_id( $context = 'view' ) {
+        return $this->get_author( $context );
+    }
 
-		return apply_filters( 'wpinv_user_info', $user_info, $this->get_id(), $this );
+    /**
+     * Get the customer's ip.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_ip( $context = 'view' ) {
+        return $this->get_prop( 'user_ip', $context );
+    }
 
+    /**
+     * Alias of self::get_ip().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_user_ip( $context = 'view' ) {
+        return $this->get_ip( $context );
+    }
+
+        /**
+         * Alias of self::get_ip().
+         *
+         * @since 1.0.19
+         * @param  string $context View or edit context.
+         * @return string
+         */
+    public function get_customer_ip( $context = 'view' ) {
+        return $this->get_ip( $context );
     }
 
     /**
-	 * Get the customer id.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_author( $context = 'view' ) {
-		return (int) $this->get_prop( 'author', $context );
+     * Get the customer's first name.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_first_name( $context = 'view' ) {
+        return $this->get_prop( 'first_name', $context );
     }
 
     /**
-	 * Alias of self::get_author().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_user_id( $context = 'view' ) {
-		return $this->get_author( $context );
+     * Alias of self::get_first_name().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_user_first_name( $context = 'view' ) {
+        return $this->get_first_name( $context );
     }
 
-     /**
-	 * Alias of self::get_author().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_customer_id( $context = 'view' ) {
-		return $this->get_author( $context );
+        /**
+         * Alias of self::get_first_name().
+         *
+         * @since 1.0.19
+         * @param  string $context View or edit context.
+         * @return int
+         */
+    public function get_customer_first_name( $context = 'view' ) {
+        return $this->get_first_name( $context );
     }
 
     /**
-	 * Get the customer's ip.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_ip( $context = 'view' ) {
-		return $this->get_prop( 'user_ip', $context );
+     * Get the customer's last name.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_last_name( $context = 'view' ) {
+        return $this->get_prop( 'last_name', $context );
     }
 
     /**
-	 * Alias of self::get_ip().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_user_ip( $context = 'view' ) {
-		return $this->get_ip( $context );
+     * Alias of self::get_last_name().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_user_last_name( $context = 'view' ) {
+        return $this->get_last_name( $context );
     }
 
-     /**
-	 * Alias of self::get_ip().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_customer_ip( $context = 'view' ) {
-		return $this->get_ip( $context );
+    /**
+     * Alias of self::get_last_name().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_customer_last_name( $context = 'view' ) {
+        return $this->get_last_name( $context );
     }
 
     /**
-	 * Get the customer's first name.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_first_name( $context = 'view' ) {
-		return $this->get_prop( 'first_name', $context );
+     * Get the customer's full name.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_full_name( $context = 'view' ) {
+        return trim( $this->get_first_name( $context ) . ' ' . $this->get_last_name( $context ) );
     }
 
     /**
-	 * Alias of self::get_first_name().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_user_first_name( $context = 'view' ) {
-		return $this->get_first_name( $context );
+     * Alias of self::get_full_name().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_user_full_name( $context = 'view' ) {
+        return $this->get_full_name( $context );
     }
 
-     /**
-	 * Alias of self::get_first_name().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_customer_first_name( $context = 'view' ) {
-		return $this->get_first_name( $context );
+    /**
+     * Alias of self::get_full_name().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_customer_full_name( $context = 'view' ) {
+        return $this->get_full_name( $context );
     }
 
     /**
-	 * Get the customer's last name.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_last_name( $context = 'view' ) {
-		return $this->get_prop( 'last_name', $context );
+     * Get the customer's phone number.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_phone( $context = 'view' ) {
+        return $this->get_prop( 'phone', $context );
     }
 
     /**
-	 * Alias of self::get_last_name().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_user_last_name( $context = 'view' ) {
-		return $this->get_last_name( $context );
+     * Alias of self::get_phone().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_phone_number( $context = 'view' ) {
+        return $this->get_phone( $context );
     }
 
     /**
-	 * Alias of self::get_last_name().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_customer_last_name( $context = 'view' ) {
-		return $this->get_last_name( $context );
+     * Alias of self::get_phone().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_user_phone( $context = 'view' ) {
+        return $this->get_phone( $context );
     }
 
     /**
-	 * Get the customer's full name.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_full_name( $context = 'view' ) {
-		return trim( $this->get_first_name( $context ) . ' ' . $this->get_last_name( $context ) );
+     * Alias of self::get_phone().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_customer_phone( $context = 'view' ) {
+        return $this->get_phone( $context );
+    }
+
+    /**
+     * Get the customer's email address.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_email( $context = 'view' ) {
+        return $this->get_prop( 'email', $context );
+    }
+
+    /**
+     * Alias of self::get_email().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_email_address( $context = 'view' ) {
+        return $this->get_email( $context );
+    }
+
+    /**
+     * Alias of self::get_email().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_user_email( $context = 'view' ) {
+        return $this->get_email( $context );
+    }
+
+    /**
+     * Alias of self::get_email().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_customer_email( $context = 'view' ) {
+        return $this->get_email( $context );
+    }
+
+    /**
+     * Get the customer's country.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_country( $context = 'view' ) {
+        $country = $this->get_prop( 'country', $context );
+        return empty( $country ) ? wpinv_get_default_country() : $country;
+    }
+
+    /**
+     * Alias of self::get_country().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_user_country( $context = 'view' ) {
+        return $this->get_country( $context );
+    }
+
+    /**
+     * Alias of self::get_country().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_customer_country( $context = 'view' ) {
+        return $this->get_country( $context );
     }
 
     /**
-	 * Alias of self::get_full_name().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_user_full_name( $context = 'view' ) {
-		return $this->get_full_name( $context );
+     * Get the customer's state.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_state( $context = 'view' ) {
+        $state = $this->get_prop( 'state', $context );
+        return empty( $state ) ? wpinv_get_default_state() : $state;
     }
 
     /**
-	 * Alias of self::get_full_name().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_customer_full_name( $context = 'view' ) {
-		return $this->get_full_name( $context );
+     * Alias of self::get_state().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_user_state( $context = 'view' ) {
+        return $this->get_state( $context );
     }
 
     /**
-	 * Get the customer's phone number.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_phone( $context = 'view' ) {
-		return $this->get_prop( 'phone', $context );
+     * Alias of self::get_state().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_customer_state( $context = 'view' ) {
+        return $this->get_state( $context );
     }
 
     /**
-	 * Alias of self::get_phone().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_phone_number( $context = 'view' ) {
-		return $this->get_phone( $context );
+     * Get the customer's city.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_city( $context = 'view' ) {
+        return $this->get_prop( 'city', $context );
     }
 
     /**
-	 * Alias of self::get_phone().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_user_phone( $context = 'view' ) {
-		return $this->get_phone( $context );
+     * Alias of self::get_city().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_user_city( $context = 'view' ) {
+        return $this->get_city( $context );
     }
 
     /**
-	 * Alias of self::get_phone().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_customer_phone( $context = 'view' ) {
-		return $this->get_phone( $context );
+     * Alias of self::get_city().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_customer_city( $context = 'view' ) {
+        return $this->get_city( $context );
     }
 
     /**
-	 * Get the customer's email address.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_email( $context = 'view' ) {
-		return $this->get_prop( 'email', $context );
+     * Get the customer's zip.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_zip( $context = 'view' ) {
+        return $this->get_prop( 'zip', $context );
     }
 
     /**
-	 * Alias of self::get_email().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_email_address( $context = 'view' ) {
-		return $this->get_email( $context );
+     * Alias of self::get_zip().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_user_zip( $context = 'view' ) {
+        return $this->get_zip( $context );
     }
 
     /**
-	 * Alias of self::get_email().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_user_email( $context = 'view' ) {
-		return $this->get_email( $context );
+     * Alias of self::get_zip().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_customer_zip( $context = 'view' ) {
+        return $this->get_zip( $context );
     }
 
     /**
-	 * Alias of self::get_email().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_customer_email( $context = 'view' ) {
-		return $this->get_email( $context );
+     * Get the customer's company.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_company( $context = 'view' ) {
+        return $this->get_prop( 'company', $context );
     }
 
     /**
-	 * Get the customer's country.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_country( $context = 'view' ) {
-		$country = $this->get_prop( 'country', $context );
-		return empty( $country ) ? wpinv_get_default_country() : $country;
+     * Alias of self::get_company().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_user_company( $context = 'view' ) {
+        return $this->get_company( $context );
     }
 
     /**
-	 * Alias of self::get_country().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_user_country( $context = 'view' ) {
-		return $this->get_country( $context );
+     * Alias of self::get_company().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_customer_company( $context = 'view' ) {
+        return $this->get_company( $context );
     }
 
     /**
-	 * Alias of self::get_country().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_customer_country( $context = 'view' ) {
-		return $this->get_country( $context );
+     * Get the customer's vat number.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_vat_number( $context = 'view' ) {
+        return $this->get_prop( 'vat_number', $context );
     }
 
     /**
-	 * Get the customer's state.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_state( $context = 'view' ) {
-		$state = $this->get_prop( 'state', $context );
-		return empty( $state ) ? wpinv_get_default_state() : $state;
+     * Alias of self::get_vat_number().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_user_vat_number( $context = 'view' ) {
+        return $this->get_vat_number( $context );
     }
 
     /**
-	 * Alias of self::get_state().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_user_state( $context = 'view' ) {
-		return $this->get_state( $context );
+     * Alias of self::get_vat_number().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_customer_vat_number( $context = 'view' ) {
+        return $this->get_vat_number( $context );
     }
 
     /**
-	 * Alias of self::get_state().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_customer_state( $context = 'view' ) {
-		return $this->get_state( $context );
+     * Get the customer's vat rate.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_vat_rate( $context = 'view' ) {
+        return $this->get_prop( 'vat_rate', $context );
     }
 
     /**
-	 * Get the customer's city.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_city( $context = 'view' ) {
-		return $this->get_prop( 'city', $context );
+     * Alias of self::get_vat_rate().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_user_vat_rate( $context = 'view' ) {
+        return $this->get_vat_rate( $context );
     }
 
     /**
-	 * Alias of self::get_city().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_user_city( $context = 'view' ) {
-		return $this->get_city( $context );
+     * Alias of self::get_vat_rate().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_customer_vat_rate( $context = 'view' ) {
+        return $this->get_vat_rate( $context );
     }
 
     /**
-	 * Alias of self::get_city().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_customer_city( $context = 'view' ) {
-		return $this->get_city( $context );
+     * Get the customer's address.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_address( $context = 'view' ) {
+        return $this->get_prop( 'address', $context );
     }
 
     /**
-	 * Get the customer's zip.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_zip( $context = 'view' ) {
-		return $this->get_prop( 'zip', $context );
+     * Alias of self::get_address().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_user_address( $context = 'view' ) {
+        return $this->get_address( $context );
     }
 
     /**
-	 * Alias of self::get_zip().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_user_zip( $context = 'view' ) {
-		return $this->get_zip( $context );
+     * Alias of self::get_address().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_customer_address( $context = 'view' ) {
+        return $this->get_address( $context );
     }
 
     /**
-	 * Alias of self::get_zip().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_customer_zip( $context = 'view' ) {
-		return $this->get_zip( $context );
+     * Get whether the customer has viewed the invoice or not.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return bool
+     */
+    public function get_is_viewed( $context = 'view' ) {
+        return (bool) $this->get_prop( 'is_viewed', $context );
     }
 
     /**
-	 * Get the customer's company.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_company( $context = 'view' ) {
-		return $this->get_prop( 'company', $context );
+     * Get other recipients for invoice communications.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return bool
+     */
+    public function get_email_cc( $context = 'view' ) {
+        return $this->get_prop( 'email_cc', $context );
     }
 
     /**
-	 * Alias of self::get_company().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_user_company( $context = 'view' ) {
-		return $this->get_company( $context );
+     * Get invoice template.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return bool
+     */
+    public function get_template( $context = 'view' ) {
+        return $this->get_prop( 'template', $context );
     }
 
     /**
-	 * Alias of self::get_company().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_customer_company( $context = 'view' ) {
-		return $this->get_company( $context );
+     * Get invoice source.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return bool
+     */
+    public function get_created_via( $context = 'view' ) {
+        return $this->get_prop( 'created_via', $context );
     }
 
     /**
-	 * Get the customer's vat number.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_vat_number( $context = 'view' ) {
-		return $this->get_prop( 'vat_number', $context );
+     * Get whether the customer has confirmed their address.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return bool
+     */
+    public function get_address_confirmed( $context = 'view' ) {
+        return (bool) $this->get_prop( 'address_confirmed', $context );
     }
 
     /**
-	 * Alias of self::get_vat_number().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_user_vat_number( $context = 'view' ) {
-		return $this->get_vat_number( $context );
+     * Alias of self::get_address_confirmed().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return bool
+     */
+    public function get_user_address_confirmed( $context = 'view' ) {
+        return $this->get_address_confirmed( $context );
     }
 
     /**
-	 * Alias of self::get_vat_number().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_customer_vat_number( $context = 'view' ) {
-		return $this->get_vat_number( $context );
+     * Alias of self::get_address().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return bool
+     */
+    public function get_customer_address_confirmed( $context = 'view' ) {
+        return $this->get_address_confirmed( $context );
     }
 
     /**
-	 * Get the customer's vat rate.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_vat_rate( $context = 'view' ) {
-		return $this->get_prop( 'vat_rate', $context );
-    }
-
-    /**
-	 * Alias of self::get_vat_rate().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_user_vat_rate( $context = 'view' ) {
-		return $this->get_vat_rate( $context );
-    }
-
-    /**
-	 * Alias of self::get_vat_rate().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_customer_vat_rate( $context = 'view' ) {
-		return $this->get_vat_rate( $context );
-    }
-
-    /**
-	 * Get the customer's address.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_address( $context = 'view' ) {
-		return $this->get_prop( 'address', $context );
-    }
-
-    /**
-	 * Alias of self::get_address().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_user_address( $context = 'view' ) {
-		return $this->get_address( $context );
-    }
-
-    /**
-	 * Alias of self::get_address().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_customer_address( $context = 'view' ) {
-		return $this->get_address( $context );
-    }
-
-    /**
-	 * Get whether the customer has viewed the invoice or not.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return bool
-	 */
-	public function get_is_viewed( $context = 'view' ) {
-		return (bool) $this->get_prop( 'is_viewed', $context );
-	}
-
-	/**
-	 * Get other recipients for invoice communications.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return bool
-	 */
-	public function get_email_cc( $context = 'view' ) {
-		return $this->get_prop( 'email_cc', $context );
-	}
-
-	/**
-	 * Get invoice template.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return bool
-	 */
-	public function get_template( $context = 'view' ) {
-		return $this->get_prop( 'template', $context );
-	}
-
-	/**
-	 * Get invoice source.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return bool
-	 */
-	public function get_created_via( $context = 'view' ) {
-		return $this->get_prop( 'created_via', $context );
-	}
-
-	/**
-	 * Get whether the customer has confirmed their address.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return bool
-	 */
-	public function get_address_confirmed( $context = 'view' ) {
-		return (bool) $this->get_prop( 'address_confirmed', $context );
-    }
-
-    /**
-	 * Alias of self::get_address_confirmed().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return bool
-	 */
-	public function get_user_address_confirmed( $context = 'view' ) {
-		return $this->get_address_confirmed( $context );
-    }
-
-    /**
-	 * Alias of self::get_address().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return bool
-	 */
-	public function get_customer_address_confirmed( $context = 'view' ) {
-		return $this->get_address_confirmed( $context );
-    }
-
-    /**
-	 * Get the invoice subtotal.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return float
-	 */
-	public function get_subtotal( $context = 'view' ) {
+     * Get the invoice subtotal.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return float
+     */
+    public function get_subtotal( $context = 'view' ) {
         $subtotal = (float) $this->get_prop( 'subtotal', $context );
 
         // Backwards compatibility.
@@ -1346,165 +1346,165 @@ 
     }
 
     /**
-	 * Get the invoice discount total.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return float
-	 */
-	public function get_total_discount( $context = 'view' ) {
-		return (float) $this->get_prop( 'total_discount', $context );
+     * Get the invoice discount total.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return float
+     */
+    public function get_total_discount( $context = 'view' ) {
+        return (float) $this->get_prop( 'total_discount', $context );
     }
 
     /**
-	 * Get the invoice tax total.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return float
-	 */
-	public function get_total_tax( $context = 'view' ) {
-		return (float) $this->get_prop( 'total_tax', $context );
-	}
+     * Get the invoice tax total.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return float
+     */
+    public function get_total_tax( $context = 'view' ) {
+        return (float) $this->get_prop( 'total_tax', $context );
+    }
 
-	/**
-	 * @deprecated
-	 */
-	public function get_final_tax( $currency = false ) {
-		$tax = $this->get_total_tax();
+    /**
+     * @deprecated
+     */
+    public function get_final_tax( $currency = false ) {
+        $tax = $this->get_total_tax();
 
         if ( $currency ) {
-			return wpinv_price( wpinv_format_amount( $tax, NULL, false ), $this->get_currency() );
+            return wpinv_price( wpinv_format_amount( $tax, NULL, false ), $this->get_currency() );
         }
 
         return $tax;
     }
 
     /**
-	 * Get the invoice fees total.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return float
-	 */
-	public function get_total_fees( $context = 'view' ) {
-		return (float) $this->get_prop( 'total_fees', $context );
+     * Get the invoice fees total.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return float
+     */
+    public function get_total_fees( $context = 'view' ) {
+        return (float) $this->get_prop( 'total_fees', $context );
     }
 
     /**
-	 * Alias for self::get_total_fees().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return float
-	 */
-	public function get_fees_total( $context = 'view' ) {
-		return $this->get_total_fees( $context );
+     * Alias for self::get_total_fees().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return float
+     */
+    public function get_fees_total( $context = 'view' ) {
+        return $this->get_total_fees( $context );
     }
 
     /**
-	 * Get the invoice total.
-	 *
-	 * @since 1.0.19
+     * Get the invoice total.
+     *
+     * @since 1.0.19
      * @return float
-	 */
-	public function get_total() {
-		$total = $this->is_renewal() ? $this->get_recurring_total() : $this->get_initial_total();
-		return apply_filters( 'getpaid_get_invoice_total_amount', $total, $this  );
-	}
+     */
+    public function get_total() {
+        $total = $this->is_renewal() ? $this->get_recurring_total() : $this->get_initial_total();
+        return apply_filters( 'getpaid_get_invoice_total_amount', $total, $this  );
+    }
 	
-	/**
-	 * Get the invoice totals.
-	 *
-	 * @since 1.0.19
+    /**
+     * Get the invoice totals.
+     *
+     * @since 1.0.19
      * @return float
-	 */
-	public function get_totals() {
-		return $this->totals;
+     */
+    public function get_totals() {
+        return $this->totals;
     }
 
     /**
-	 * Get the initial invoice total.
-	 *
-	 * @since 1.0.19
+     * Get the initial invoice total.
+     *
+     * @since 1.0.19
      * @param  string $context View or edit context.
      * @return float
-	 */
+     */
     public function get_initial_total() {
 
-		if ( empty( $this->totals ) ) {
-			$this->recalculate_total();
-		}
+        if ( empty( $this->totals ) ) {
+            $this->recalculate_total();
+        }
 
-		$tax      = $this->totals['tax']['initial'];
-		$fee      = $this->totals['fee']['initial'];
-		$discount = $this->totals['discount']['initial'];
-		$subtotal = $this->totals['subtotal']['initial'];
-		$total    = $tax + $fee - $discount + $subtotal;
+        $tax      = $this->totals['tax']['initial'];
+        $fee      = $this->totals['fee']['initial'];
+        $discount = $this->totals['discount']['initial'];
+        $subtotal = $this->totals['subtotal']['initial'];
+        $total    = $tax + $fee - $discount + $subtotal;
 
-		if ( 0 > $total ) {
-			$total = 0;
-		}
+        if ( 0 > $total ) {
+            $total = 0;
+        }
 
         return apply_filters( 'wpinv_get_initial_invoice_total', $total, $this );
-	}
+    }
 
-	/**
-	 * Get the recurring invoice total.
-	 *
-	 * @since 1.0.19
+    /**
+     * Get the recurring invoice total.
+     *
+     * @since 1.0.19
      * @param  string $context View or edit context.
      * @return float
-	 */
+     */
     public function get_recurring_total() {
 
-		if ( empty( $this->totals ) ) {
-			$this->recalculate_total();
-		}
+        if ( empty( $this->totals ) ) {
+            $this->recalculate_total();
+        }
 
-		$tax      = $this->totals['tax']['recurring'];
-		$fee      = $this->totals['fee']['recurring'];
-		$discount = $this->totals['discount']['recurring'];
-		$subtotal = $this->totals['subtotal']['recurring'];
-		$total    = $tax + $fee - $discount + $subtotal;
+        $tax      = $this->totals['tax']['recurring'];
+        $fee      = $this->totals['fee']['recurring'];
+        $discount = $this->totals['discount']['recurring'];
+        $subtotal = $this->totals['subtotal']['recurring'];
+        $total    = $tax + $fee - $discount + $subtotal;
 
-		if ( 0 > $total ) {
-			$total = 0;
-		}
+        if ( 0 > $total ) {
+            $total = 0;
+        }
 
         return apply_filters( 'wpinv_get_recurring_invoice_total', $total, $this );
-	}
+    }
 
-	/**
-	 * Returns recurring payment details.
-	 *
-	 * @since 1.0.19
+    /**
+     * Returns recurring payment details.
+     *
+     * @since 1.0.19
      * @param  string $field Optionally provide a field to return.
-	 * @param string $currency Whether to include the currency.
+     * @param string $currency Whether to include the currency.
      * @return float
-	 */
+     */
     public function get_recurring_details( $field = '', $currency = false ) {
 
-		// Maybe recalculate totals.
-		if ( empty( $this->totals ) ) {
-			$this->recalculate_total();
-		}
+        // Maybe recalculate totals.
+        if ( empty( $this->totals ) ) {
+            $this->recalculate_total();
+        }
 
-		// Prepare recurring totals.
+        // Prepare recurring totals.
         $data = apply_filters(
-			'wpinv_get_invoice_recurring_details',
-			array(
-				'cart_details' => $this->get_cart_details(),
-				'subtotal'     => $this->totals['subtotal']['recurring'],
-				'discount'     => $this->totals['discount']['recurring'],
-				'tax'          => $this->totals['tax']['recurring'],
-				'fee'          => $this->totals['fee']['recurring'],
-				'total'        => $this->get_recurring_total(),
-			),
-			$this,
-			$field,
-			$currency
-		);
+            'wpinv_get_invoice_recurring_details',
+            array(
+                'cart_details' => $this->get_cart_details(),
+                'subtotal'     => $this->totals['subtotal']['recurring'],
+                'discount'     => $this->totals['discount']['recurring'],
+                'tax'          => $this->totals['tax']['recurring'],
+                'fee'          => $this->totals['fee']['recurring'],
+                'total'        => $this->get_recurring_total(),
+            ),
+            $this,
+            $field,
+            $currency
+        );
 
         if ( isset( $data[$field] ) ) {
             return ( $currency ? wpinv_price( $data[$field], $this->get_currency() ) : $data[$field] );
@@ -1514,156 +1514,156 @@ 
     }
 
     /**
-	 * Get the invoice fees.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return array
-	 */
-	public function get_fees( $context = 'view' ) {
-		return wpinv_parse_list( $this->get_prop( 'fees', $context ) );
+     * Get the invoice fees.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return array
+     */
+    public function get_fees( $context = 'view' ) {
+        return wpinv_parse_list( $this->get_prop( 'fees', $context ) );
     }
 
     /**
-	 * Get the invoice discounts.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return array
-	 */
-	public function get_discounts( $context = 'view' ) {
-		return wpinv_parse_list( $this->get_prop( 'discounts', $context ) );
+     * Get the invoice discounts.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return array
+     */
+    public function get_discounts( $context = 'view' ) {
+        return wpinv_parse_list( $this->get_prop( 'discounts', $context ) );
     }
 
     /**
-	 * Get the invoice taxes.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return array
-	 */
-	public function get_taxes( $context = 'view' ) {
-		return wpinv_parse_list( $this->get_prop( 'taxes', $context ) );
+     * Get the invoice taxes.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return array
+     */
+    public function get_taxes( $context = 'view' ) {
+        return wpinv_parse_list( $this->get_prop( 'taxes', $context ) );
     }
 
     /**
-	 * Get the invoice items.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return GetPaid_Form_Item[]
-	 */
-	public function get_items( $context = 'view' ) {
+     * Get the invoice items.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return GetPaid_Form_Item[]
+     */
+    public function get_items( $context = 'view' ) {
         return $this->get_prop( 'items', $context );
     }
 
     /**
-	 * Get the invoice's payment form.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_payment_form( $context = 'view' ) {
-		return intval( $this->get_prop( 'payment_form', $context ) );
+     * Get the invoice's payment form.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_payment_form( $context = 'view' ) {
+        return intval( $this->get_prop( 'payment_form', $context ) );
     }
 
     /**
-	 * Get the invoice's submission id.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_submission_id( $context = 'view' ) {
-		return $this->get_prop( 'submission_id', $context );
+     * Get the invoice's submission id.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_submission_id( $context = 'view' ) {
+        return $this->get_prop( 'submission_id', $context );
     }
 
     /**
-	 * Get the invoice's discount code.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_discount_code( $context = 'view' ) {
-		return $this->get_prop( 'discount_code', $context );
+     * Get the invoice's discount code.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_discount_code( $context = 'view' ) {
+        return $this->get_prop( 'discount_code', $context );
     }
 
     /**
-	 * Get the invoice's gateway.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_gateway( $context = 'view' ) {
-		return $this->get_prop( 'gateway', $context );
+     * Get the invoice's gateway.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_gateway( $context = 'view' ) {
+        return $this->get_prop( 'gateway', $context );
     }
 
     /**
-	 * Get the invoice's gateway display title.
-	 *
-	 * @since 1.0.19
-	 * @return string
-	 */
+     * Get the invoice's gateway display title.
+     *
+     * @since 1.0.19
+     * @return string
+     */
     public function get_gateway_title() {
         $title =  wpinv_get_gateway_checkout_label( $this->get_gateway() );
         return apply_filters( 'wpinv_gateway_title', $title, $this->get_id(), $this );
     }
 
     /**
-	 * Get the invoice's transaction id.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_transaction_id( $context = 'view' ) {
-		return $this->get_prop( 'transaction_id', $context );
+     * Get the invoice's transaction id.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_transaction_id( $context = 'view' ) {
+        return $this->get_prop( 'transaction_id', $context );
     }
 
     /**
-	 * Get the invoice's currency.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_currency( $context = 'view' ) {
+     * Get the invoice's currency.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_currency( $context = 'view' ) {
         $currency = $this->get_prop( 'currency', $context );
         return empty( $currency ) ? wpinv_get_currency() : $currency;
     }
 
     /**
-	 * Checks if we are charging taxes for this invoice.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return bool
-	 */
-	public function get_disable_taxes( $context = 'view' ) {
+     * Checks if we are charging taxes for this invoice.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return bool
+     */
+    public function get_disable_taxes( $context = 'view' ) {
         return (bool) $this->get_prop( 'disable_taxes', $context );
     }
 
     /**
-	 * Retrieves the subscription id for an invoice.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
+     * Retrieves the subscription id for an invoice.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
     public function get_subscription_id( $context = 'view' ) {
-		return $this->is_renewal() ? $this->get_parent()->get_subscription_id( $context ) : $this->get_prop( 'subscription_id', $context );
-	}
-
-	/**
-	 * Retrieves the remote subscription id for an invoice.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
+        return $this->is_renewal() ? $this->get_parent()->get_subscription_id( $context ) : $this->get_prop( 'subscription_id', $context );
+    }
+
+    /**
+     * Retrieves the remote subscription id for an invoice.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
     public function get_remote_subscription_id( $context = 'view' ) {
         $subscription_id = $this->get_prop( 'remote_subscription_id', $context );
 
@@ -1676,12 +1676,12 @@ 
     }
 
     /**
-	 * Retrieves the payment meta for an invoice.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return array
-	 */
+     * Retrieves the payment meta for an invoice.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return array
+     */
     public function get_payment_meta( $context = 'view' ) {
 
         return array(
@@ -1701,31 +1701,31 @@ 
     }
 
     /**
-	 * Retrieves the cart details for an invoice.
-	 *
-	 * @since 1.0.19
-	 * @return array
-	 */
+     * Retrieves the cart details for an invoice.
+     *
+     * @since 1.0.19
+     * @return array
+     */
     public function get_cart_details() {
         $items        = $this->get_items();
         $cart_details = array();
 
         foreach ( $items as $item_id => $item ) {
-			$item->invoice_id = $this->get_id();
+            $item->invoice_id = $this->get_id();
             $cart_details[]   = $item->prepare_data_for_saving();
         }
 
         return $cart_details;
-	}
+    }
 
-	/**
-	 * Retrieves the recurring item.
-	 *
-	 * @return null|GetPaid_Form_Item|int
-	 */
-	public function get_recurring( $object = false ) {
+    /**
+     * Retrieves the recurring item.
+     *
+     * @return null|GetPaid_Form_Item|int
+     */
+    public function get_recurring( $object = false ) {
 
-		// Are we returning an object?
+        // Are we returning an object?
         if ( $object ) {
             return $this->get_item( $this->recurring_item );
         }
@@ -1733,100 +1733,100 @@ 
         return $this->recurring_item;
     }
 
-	/**
-	 * Retrieves the subscription name.
-	 *
-	 * @since 1.0.19
-	 * @return string
-	 */
-	public function get_subscription_name() {
+    /**
+     * Retrieves the subscription name.
+     *
+     * @since 1.0.19
+     * @return string
+     */
+    public function get_subscription_name() {
 
-		// Retrieve the recurring name
+        // Retrieve the recurring name
         $item = $this->get_recurring( true );
 
-		// Abort if it does not exist.
+        // Abort if it does not exist.
         if ( empty( $item ) ) {
             return '';
         }
 
-		// Return the item name.
+        // Return the item name.
         return apply_filters( 'wpinv_invoice_get_subscription_name', $item->get_name(), $this );
-	}
-
-	/**
-	 * Retrieves the view url.
-	 *
-	 * @since 1.0.19
-	 * @return string
-	 */
-	public function get_view_url() {
+    }
+
+    /**
+     * Retrieves the view url.
+     *
+     * @since 1.0.19
+     * @return string
+     */
+    public function get_view_url() {
         $invoice_url = get_permalink( $this->get_id() );
-		$invoice_url = add_query_arg( 'invoice_key', $this->get_key(), $invoice_url );
+        $invoice_url = add_query_arg( 'invoice_key', $this->get_key(), $invoice_url );
         return apply_filters( 'wpinv_get_view_url', $invoice_url, $this );
-	}
+    }
 
-	/**
-	 * Retrieves the payment url.
-	 *
-	 * @since 1.0.19
-	 * @return string
-	 */
-	public function get_checkout_payment_url( $deprecated = false, $secret = false ) {
+    /**
+     * Retrieves the payment url.
+     *
+     * @since 1.0.19
+     * @return string
+     */
+    public function get_checkout_payment_url( $deprecated = false, $secret = false ) {
 
-		// Retrieve the checkout url.
+        // Retrieve the checkout url.
         $pay_url = wpinv_get_checkout_uri();
 
-		// Maybe force ssl.
+        // Maybe force ssl.
         if ( is_ssl() ) {
             $pay_url = str_replace( 'http:', 'https:', $pay_url );
         }
 
-		// Add the invoice key.
-		$pay_url = add_query_arg( 'invoice_key', $this->get_key(), $pay_url );
+        // Add the invoice key.
+        $pay_url = add_query_arg( 'invoice_key', $this->get_key(), $pay_url );
 
-		// (Maybe?) add a secret
+        // (Maybe?) add a secret
         if ( $secret ) {
             $pay_url = add_query_arg( array( '_wpipay' => md5( $this->get_user_id() . '::' . $this->get_email() . '::' . $this->get_key() ) ), $pay_url );
         }
 
         return apply_filters( 'wpinv_get_checkout_payment_url', $pay_url, $this, $deprecated, $secret );
-	}
+    }
 	
-	/**
-	 * Retrieves the receipt url.
-	 *
-	 * @since 1.0.19
-	 * @return string
-	 */
-	public function get_receipt_url() {
-
-		// Retrieve the checkout url.
+    /**
+     * Retrieves the receipt url.
+     *
+     * @since 1.0.19
+     * @return string
+     */
+    public function get_receipt_url() {
+
+        // Retrieve the checkout url.
         $receipt_url = wpinv_get_success_page_uri();
 
-		// Maybe force ssl.
+        // Maybe force ssl.
         if ( is_ssl() ) {
             $receipt_url = str_replace( 'http:', 'https:', $receipt_url );
         }
 
-		// Add the invoice key.
-		$receipt_url = add_query_arg( 'invoice_key', $this->get_key(), $receipt_url );
+        // Add the invoice key.
+        $receipt_url = add_query_arg( 'invoice_key', $this->get_key(), $receipt_url );
 
         return apply_filters( 'getpaid_get_invoice_receipt_url', $receipt_url, $this );
     }
 
     /**
-	 * Magic method for accessing invoice properties.
-	 *
-	 * @since 1.0.15
-	 * @access public
-	 *
-	 * @param string $key Discount data to retrieve
-	 * @param  string $context View or edit context.
-	 * @return mixed Value of the given invoice property (if set).
-	 */
-	public function get( $key, $context = 'view' ) {
+     * Magic method for accessing invoice properties.
+     *
+     * @since 1.0.15
+     * @access public
+     *
+     * @param string $key Discount data to retrieve
+     * @param  string $context View or edit context.
+     * @return mixed Value of the given invoice property (if set).
+     */
+    public function get( $key, $context = 'view' ) {
         return $this->get_prop( $key, $context );
-	}
+    }
 
     /*
 	|--------------------------------------------------------------------------
@@ -1839,130 +1839,130 @@ 
     */
 
     /**
-	 * Magic method for setting invoice properties.
-	 *
-	 * @since 1.0.19
-	 * @access public
-	 *
-	 * @param string $key Discount data to retrieve
-	 * @param  mixed $value new value.
-	 * @return mixed Value of the given invoice property (if set).
-	 */
-	public function set( $key, $value ) {
+     * Magic method for setting invoice properties.
+     *
+     * @since 1.0.19
+     * @access public
+     *
+     * @param string $key Discount data to retrieve
+     * @param  mixed $value new value.
+     * @return mixed Value of the given invoice property (if set).
+     */
+    public function set( $key, $value ) {
 
         $setter = "set_$key";
         if ( is_callable( array( $this, $setter ) ) ) {
             $this->{$setter}( $value );
         }
 
-	}
+    }
 
-	/**
-	 * Sets item status.
-	 *
-	 * @since 1.0.19
-	 * @param string $new_status    New status.
-	 * @param string $note          Optional note to add.
-	 * @param bool   $manual_update Is this a manual status change?.
-	 * @return array details of change.
-	 */
-	public function set_status( $new_status, $note = '', $manual_update = false ) {
-		$old_status = $this->get_status();
+    /**
+     * Sets item status.
+     *
+     * @since 1.0.19
+     * @param string $new_status    New status.
+     * @param string $note          Optional note to add.
+     * @param bool   $manual_update Is this a manual status change?.
+     * @return array details of change.
+     */
+    public function set_status( $new_status, $note = '', $manual_update = false ) {
+        $old_status = $this->get_status();
 
-		$statuses = $this->get_all_statuses();
+        $statuses = $this->get_all_statuses();
 
-		if ( isset( $statuses[ 'draft' ] ) ) {
-			unset( $statuses[ 'draft' ] );
-		}
+        if ( isset( $statuses[ 'draft' ] ) ) {
+            unset( $statuses[ 'draft' ] );
+        }
 
-		$this->set_prop( 'status', $new_status );
+        $this->set_prop( 'status', $new_status );
 
-		// If setting the status, ensure it's set to a valid status.
-		if ( true === $this->object_read ) {
+        // If setting the status, ensure it's set to a valid status.
+        if ( true === $this->object_read ) {
 
-			// Only allow valid new status.
-			if ( ! array_key_exists( $new_status, $statuses ) ) {
-				$new_status = 'wpi-pending';
-			}
+            // Only allow valid new status.
+            if ( ! array_key_exists( $new_status, $statuses ) ) {
+                $new_status = 'wpi-pending';
+            }
 
-			// If the old status is set but unknown (e.g. draft) assume its pending for action usage.
-			if ( $old_status && ! array_key_exists( $new_status, $statuses ) ) {
-				$old_status = 'wpi-pending';
-			}
+            // If the old status is set but unknown (e.g. draft) assume its pending for action usage.
+            if ( $old_status && ! array_key_exists( $new_status, $statuses ) ) {
+                $old_status = 'wpi-pending';
+            }
 
-			// Paid - Renewal (i.e when duplicating a parent invoice )
-			if ( $new_status == 'wpi-pending' && $old_status == 'publish' && ! $this->get_id() ) {
-				$old_status = 'wpi-pending';
-			}
+            // Paid - Renewal (i.e when duplicating a parent invoice )
+            if ( $new_status == 'wpi-pending' && $old_status == 'publish' && ! $this->get_id() ) {
+                $old_status = 'wpi-pending';
+            }
 
-		}
+        }
 
-		if ( true === $this->object_read && $old_status !== $new_status ) {
-			$this->status_transition = array(
-				'from'   => ! empty( $this->status_transition['from'] ) ? $this->status_transition['from'] : $old_status,
-				'to'     => $new_status,
-				'note'   => $note,
-				'manual' => (bool) $manual_update,
-			);
+        if ( true === $this->object_read && $old_status !== $new_status ) {
+            $this->status_transition = array(
+                'from'   => ! empty( $this->status_transition['from'] ) ? $this->status_transition['from'] : $old_status,
+                'to'     => $new_status,
+                'note'   => $note,
+                'manual' => (bool) $manual_update,
+            );
 
-			if ( $manual_update ) {
-				do_action( 'getpaid_' . $this->object_type .'_edit_status', $this->get_id(), $new_status );
-			}
+            if ( $manual_update ) {
+                do_action( 'getpaid_' . $this->object_type .'_edit_status', $this->get_id(), $new_status );
+            }
 
-			$this->maybe_set_date_paid();
+            $this->maybe_set_date_paid();
 
-		}
+        }
 
-		return array(
-			'from' => $old_status,
-			'to'   => $new_status,
-		);
-	}
+        return array(
+            'from' => $old_status,
+            'to'   => $new_status,
+        );
+    }
 
-	/**
-	 * Maybe set date paid.
-	 *
-	 * Sets the date paid variable when transitioning to the payment complete
-	 * order status.
-	 *
-	 * @since 1.0.19
-	 */
-	public function maybe_set_date_paid() {
+    /**
+     * Maybe set date paid.
+     *
+     * Sets the date paid variable when transitioning to the payment complete
+     * order status.
+     *
+     * @since 1.0.19
+     */
+    public function maybe_set_date_paid() {
 
-		if ( ! $this->get_date_completed( 'edit' ) && $this->is_paid() ) {
-			$this->set_date_completed( current_time( 'mysql' ) );
-		}
-	}
+        if ( ! $this->get_date_completed( 'edit' ) && $this->is_paid() ) {
+            $this->set_date_completed( current_time( 'mysql' ) );
+        }
+    }
 
     /**
-	 * Set parent invoice ID.
-	 *
-	 * @since 1.0.19
-	 */
-	public function set_parent_id( $value ) {
-		if ( $value && ( $value === $this->get_id() ) ) {
-			return;
-		}
-		$this->set_prop( 'parent_id', absint( $value ) );
+     * Set parent invoice ID.
+     *
+     * @since 1.0.19
+     */
+    public function set_parent_id( $value ) {
+        if ( $value && ( $value === $this->get_id() ) ) {
+            return;
+        }
+        $this->set_prop( 'parent_id', absint( $value ) );
     }
 
     /**
-	 * Set plugin version when the invoice was created.
-	 *
-	 * @since 1.0.19
-	 */
-	public function set_version( $value ) {
-		$this->set_prop( 'version', $value );
+     * Set plugin version when the invoice was created.
+     *
+     * @since 1.0.19
+     */
+    public function set_version( $value ) {
+        $this->set_prop( 'version', $value );
     }
-
-    /**
-	 * Set date when the invoice was created.
-	 *
-	 * @since 1.0.19
-	 * @param string $value Value to set.
+
+    /**
+     * Set date when the invoice was created.
+     *
+     * @since 1.0.19
+     * @param string $value Value to set.
      * @return bool Whether or not the date was set.
-	 */
-	public function set_date_created( $value ) {
+     */
+    public function set_date_created( $value ) {
         $date = strtotime( $value );
 
         if ( $date && $value !== '0000-00-00 00:00:00' ) {
@@ -1975,13 +1975,13 @@ 
     }
 
     /**
-	 * Set date invoice due date.
-	 *
-	 * @since 1.0.19
-	 * @param string $value Value to set.
+     * Set date invoice due date.
+     *
+     * @since 1.0.19
+     * @param string $value Value to set.
      * @return bool Whether or not the date was set.
-	 */
-	public function set_due_date( $value ) {
+     */
+    public function set_due_date( $value ) {
         $date = strtotime( $value );
 
         if ( $date && $value !== '0000-00-00 00:00:00' ) {
@@ -1989,29 +1989,29 @@ 
             return true;
         }
 
-		$this->set_prop( 'due_date', '' );
+        $this->set_prop( 'due_date', '' );
         return false;
 
     }
 
     /**
-	 * Alias of self::set_due_date().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New name.
-	 */
-	public function set_date_due( $value ) {
-		$this->set_due_date( $value );
+     * Alias of self::set_due_date().
+     *
+     * @since 1.0.19
+     * @param  string $value New name.
+     */
+    public function set_date_due( $value ) {
+        $this->set_due_date( $value );
     }
 
     /**
-	 * Set date invoice was completed.
-	 *
-	 * @since 1.0.19
-	 * @param string $value Value to set.
+     * Set date invoice was completed.
+     *
+     * @since 1.0.19
+     * @param string $value Value to set.
      * @return bool Whether or not the date was set.
-	 */
-	public function set_completed_date( $value ) {
+     */
+    public function set_completed_date( $value ) {
         $date = strtotime( $value );
 
         if ( $date && $value !== '0000-00-00 00:00:00'  ) {
@@ -2019,29 +2019,29 @@ 
             return true;
         }
 
-		$this->set_prop( 'completed_date', '' );
+        $this->set_prop( 'completed_date', '' );
         return false;
 
     }
 
     /**
-	 * Alias of self::set_completed_date().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New name.
-	 */
-	public function set_date_completed( $value ) {
-		$this->set_completed_date( $value );
+     * Alias of self::set_completed_date().
+     *
+     * @since 1.0.19
+     * @param  string $value New name.
+     */
+    public function set_date_completed( $value ) {
+        $this->set_completed_date( $value );
     }
 
     /**
-	 * Set date when the invoice was last modified.
-	 *
-	 * @since 1.0.19
-	 * @param string $value Value to set.
+     * Set date when the invoice was last modified.
+     *
+     * @since 1.0.19
+     * @param string $value Value to set.
      * @return bool Whether or not the date was set.
-	 */
-	public function set_date_modified( $value ) {
+     */
+    public function set_date_modified( $value ) {
         $date = strtotime( $value );
 
         if ( $date && $value !== '0000-00-00 00:00:00' ) {
@@ -2049,763 +2049,763 @@ 
             return true;
         }
 
-		$this->set_prop( 'date_modified', '' );
+        $this->set_prop( 'date_modified', '' );
         return false;
 
     }
 
     /**
-	 * Set the invoice number.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New number.
-	 */
-	public function set_number( $value ) {
+     * Set the invoice number.
+     *
+     * @since 1.0.19
+     * @param  string $value New number.
+     */
+    public function set_number( $value ) {
         $number = sanitize_text_field( $value );
-		$this->set_prop( 'number', $number );
+        $this->set_prop( 'number', $number );
     }
 
     /**
-	 * Set the invoice type.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value Type.
-	 */
-	public function set_type( $value ) {
+     * Set the invoice type.
+     *
+     * @since 1.0.19
+     * @param  string $value Type.
+     */
+    public function set_type( $value ) {
         $type = sanitize_text_field( str_replace( 'wpi_', '', $value ) );
-		$this->set_prop( 'type', $type );
-	}
+        $this->set_prop( 'type', $type );
+    }
 
     /**
-	 * Set the invoice post type.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value Post type.
-	 */
-	public function set_post_type( $value ) {
+     * Set the invoice post type.
+     *
+     * @since 1.0.19
+     * @param  string $value Post type.
+     */
+    public function set_post_type( $value ) {
         if ( getpaid_is_invoice_post_type( $value ) ) {
-			$this->set_type( $value );
+            $this->set_type( $value );
             $this->set_prop( 'post_type', $value );
         }
     }
 
     /**
-	 * Set the invoice key.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New key.
-	 */
-	public function set_key( $value ) {
+     * Set the invoice key.
+     *
+     * @since 1.0.19
+     * @param  string $value New key.
+     */
+    public function set_key( $value ) {
         $key = sanitize_text_field( $value );
-		$this->set_prop( 'key', $key );
+        $this->set_prop( 'key', $key );
     }
 
     /**
-	 * Set the invoice mode.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value mode.
-	 */
-	public function set_mode( $value ) {
+     * Set the invoice mode.
+     *
+     * @since 1.0.19
+     * @param  string $value mode.
+     */
+    public function set_mode( $value ) {
         if ( ! in_array( $value, array( 'live', 'test' ) ) ) {
             $this->set_prop( 'value', $value );
         }
     }
 
     /**
-	 * Set the invoice path.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value path.
-	 */
-	public function set_path( $value ) {
+     * Set the invoice path.
+     *
+     * @since 1.0.19
+     * @param  string $value path.
+     */
+    public function set_path( $value ) {
         $this->set_prop( 'path', $value );
     }
 
     /**
-	 * Set the invoice name.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New name.
-	 */
-	public function set_name( $value ) {
+     * Set the invoice name.
+     *
+     * @since 1.0.19
+     * @param  string $value New name.
+     */
+    public function set_name( $value ) {
         $name = sanitize_text_field( $value );
-		$this->set_prop( 'name', $name );
+        $this->set_prop( 'name', $name );
     }
 
     /**
-	 * Alias of self::set_name().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New name.
-	 */
-	public function set_title( $value ) {
-		$this->set_name( $value );
+     * Alias of self::set_name().
+     *
+     * @since 1.0.19
+     * @param  string $value New name.
+     */
+    public function set_title( $value ) {
+        $this->set_name( $value );
     }
 
     /**
-	 * Set the invoice description.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New description.
-	 */
-	public function set_description( $value ) {
+     * Set the invoice description.
+     *
+     * @since 1.0.19
+     * @param  string $value New description.
+     */
+    public function set_description( $value ) {
         $description = wp_kses_post( $value );
-		return $this->set_prop( 'description', $description );
+        return $this->set_prop( 'description', $description );
     }
 
     /**
-	 * Alias of self::set_description().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New description.
-	 */
-	public function set_excerpt( $value ) {
-		$this->set_description( $value );
+     * Alias of self::set_description().
+     *
+     * @since 1.0.19
+     * @param  string $value New description.
+     */
+    public function set_excerpt( $value ) {
+        $this->set_description( $value );
     }
 
     /**
-	 * Alias of self::set_description().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New description.
-	 */
-	public function set_summary( $value ) {
-		$this->set_description( $value );
+     * Alias of self::set_description().
+     *
+     * @since 1.0.19
+     * @param  string $value New description.
+     */
+    public function set_summary( $value ) {
+        $this->set_description( $value );
     }
 
     /**
-	 * Set the receiver of the invoice.
-	 *
-	 * @since 1.0.19
-	 * @param  int $value New author.
-	 */
-	public function set_author( $value ) {
-		$user = get_user_by( 'id', (int) $value );
+     * Set the receiver of the invoice.
+     *
+     * @since 1.0.19
+     * @param  int $value New author.
+     */
+    public function set_author( $value ) {
+        $user = get_user_by( 'id', (int) $value );
 
-		if ( $user && $user->ID ) {
-			$this->set_prop( 'author', $user->ID );
-			$this->set_prop( 'email', $user->user_email );
-		}
+        if ( $user && $user->ID ) {
+            $this->set_prop( 'author', $user->ID );
+            $this->set_prop( 'email', $user->user_email );
+        }
 		
     }
 
     /**
-	 * Alias of self::set_author().
-	 *
-	 * @since 1.0.19
-	 * @param  int $value New user id.
-	 */
-	public function set_user_id( $value ) {
-		$this->set_author( $value );
+     * Alias of self::set_author().
+     *
+     * @since 1.0.19
+     * @param  int $value New user id.
+     */
+    public function set_user_id( $value ) {
+        $this->set_author( $value );
+    }
+
+    /**
+     * Alias of self::set_author().
+     *
+     * @since 1.0.19
+     * @param  int $value New user id.
+     */
+    public function set_customer_id( $value ) {
+        $this->set_author( $value );
+    }
+
+    /**
+     * Set the customer's ip.
+     *
+     * @since 1.0.19
+     * @param  string $value ip address.
+     */
+    public function set_ip( $value ) {
+        $this->set_prop( 'ip', $value );
+    }
+
+    /**
+     * Alias of self::set_ip().
+     *
+     * @since 1.0.19
+     * @param  string $value ip address.
+     */
+    public function set_user_ip( $value ) {
+        $this->set_ip( $value );
+    }
+
+    /**
+     * Set the customer's first name.
+     *
+     * @since 1.0.19
+     * @param  string $value first name.
+     */
+    public function set_first_name( $value ) {
+        $this->set_prop( 'first_name', $value );
     }
 
     /**
-	 * Alias of self::set_author().
-	 *
-	 * @since 1.0.19
-	 * @param  int $value New user id.
-	 */
-	public function set_customer_id( $value ) {
-		$this->set_author( $value );
+     * Alias of self::set_first_name().
+     *
+     * @since 1.0.19
+     * @param  string $value first name.
+     */
+    public function set_user_first_name( $value ) {
+        $this->set_first_name( $value );
     }
 
     /**
-	 * Set the customer's ip.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value ip address.
-	 */
-	public function set_ip( $value ) {
-		$this->set_prop( 'ip', $value );
+     * Alias of self::set_first_name().
+     *
+     * @since 1.0.19
+     * @param  string $value first name.
+     */
+    public function set_customer_first_name( $value ) {
+        $this->set_first_name( $value );
     }
 
     /**
-	 * Alias of self::set_ip().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value ip address.
-	 */
-	public function set_user_ip( $value ) {
-		$this->set_ip( $value );
+     * Set the customer's last name.
+     *
+     * @since 1.0.19
+     * @param  string $value last name.
+     */
+    public function set_last_name( $value ) {
+        $this->set_prop( 'last_name', $value );
     }
 
     /**
-	 * Set the customer's first name.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value first name.
-	 */
-	public function set_first_name( $value ) {
-		$this->set_prop( 'first_name', $value );
+     * Alias of self::set_last_name().
+     *
+     * @since 1.0.19
+     * @param  string $value last name.
+     */
+    public function set_user_last_name( $value ) {
+        $this->set_last_name( $value );
     }
 
     /**
-	 * Alias of self::set_first_name().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value first name.
-	 */
-	public function set_user_first_name( $value ) {
-		$this->set_first_name( $value );
+     * Alias of self::set_last_name().
+     *
+     * @since 1.0.19
+     * @param  string $value last name.
+     */
+    public function set_customer_last_name( $value ) {
+        $this->set_last_name( $value );
     }
 
     /**
-	 * Alias of self::set_first_name().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value first name.
-	 */
-	public function set_customer_first_name( $value ) {
-		$this->set_first_name( $value );
+     * Set the customer's phone number.
+     *
+     * @since 1.0.19
+     * @param  string $value phone.
+     */
+    public function set_phone( $value ) {
+        $this->set_prop( 'phone', $value );
     }
 
     /**
-	 * Set the customer's last name.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value last name.
-	 */
-	public function set_last_name( $value ) {
-		$this->set_prop( 'last_name', $value );
+     * Alias of self::set_phone().
+     *
+     * @since 1.0.19
+     * @param  string $value phone.
+     */
+    public function set_user_phone( $value ) {
+        $this->set_phone( $value );
     }
 
     /**
-	 * Alias of self::set_last_name().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value last name.
-	 */
-	public function set_user_last_name( $value ) {
-		$this->set_last_name( $value );
+     * Alias of self::set_phone().
+     *
+     * @since 1.0.19
+     * @param  string $value phone.
+     */
+    public function set_customer_phone( $value ) {
+        $this->set_phone( $value );
     }
 
     /**
-	 * Alias of self::set_last_name().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value last name.
-	 */
-	public function set_customer_last_name( $value ) {
-		$this->set_last_name( $value );
+     * Alias of self::set_phone().
+     *
+     * @since 1.0.19
+     * @param  string $value phone.
+     */
+    public function set_phone_number( $value ) {
+        $this->set_phone( $value );
     }
 
     /**
-	 * Set the customer's phone number.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value phone.
-	 */
-	public function set_phone( $value ) {
-		$this->set_prop( 'phone', $value );
+     * Set the customer's email address.
+     *
+     * @since 1.0.19
+     * @param  string $value email address.
+     */
+    public function set_email( $value ) {
+        $this->set_prop( 'email', $value );
     }
 
     /**
-	 * Alias of self::set_phone().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value phone.
-	 */
-	public function set_user_phone( $value ) {
-		$this->set_phone( $value );
+     * Alias of self::set_email().
+     *
+     * @since 1.0.19
+     * @param  string $value email address.
+     */
+    public function set_user_email( $value ) {
+        $this->set_email( $value );
     }
 
     /**
-	 * Alias of self::set_phone().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value phone.
-	 */
-	public function set_customer_phone( $value ) {
-		$this->set_phone( $value );
+     * Alias of self::set_email().
+     *
+     * @since 1.0.19
+     * @param  string $value email address.
+     */
+    public function set_email_address( $value ) {
+        $this->set_email( $value );
     }
 
     /**
-	 * Alias of self::set_phone().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value phone.
-	 */
-	public function set_phone_number( $value ) {
-		$this->set_phone( $value );
+     * Alias of self::set_email().
+     *
+     * @since 1.0.19
+     * @param  string $value email address.
+     */
+    public function set_customer_email( $value ) {
+        $this->set_email( $value );
     }
 
     /**
-	 * Set the customer's email address.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value email address.
-	 */
-	public function set_email( $value ) {
-		$this->set_prop( 'email', $value );
+     * Set the customer's country.
+     *
+     * @since 1.0.19
+     * @param  string $value country.
+     */
+    public function set_country( $value ) {
+        $this->set_prop( 'country', $value );
     }
 
     /**
-	 * Alias of self::set_email().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value email address.
-	 */
-	public function set_user_email( $value ) {
-		$this->set_email( $value );
+     * Alias of self::set_country().
+     *
+     * @since 1.0.19
+     * @param  string $value country.
+     */
+    public function set_user_country( $value ) {
+        $this->set_country( $value );
     }
 
     /**
-	 * Alias of self::set_email().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value email address.
-	 */
-	public function set_email_address( $value ) {
-		$this->set_email( $value );
+     * Alias of self::set_country().
+     *
+     * @since 1.0.19
+     * @param  string $value country.
+     */
+    public function set_customer_country( $value ) {
+        $this->set_country( $value );
     }
 
     /**
-	 * Alias of self::set_email().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value email address.
-	 */
-	public function set_customer_email( $value ) {
-		$this->set_email( $value );
+     * Set the customer's state.
+     *
+     * @since 1.0.19
+     * @param  string $value state.
+     */
+    public function set_state( $value ) {
+        $this->set_prop( 'state', $value );
     }
 
     /**
-	 * Set the customer's country.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value country.
-	 */
-	public function set_country( $value ) {
-		$this->set_prop( 'country', $value );
+     * Alias of self::set_state().
+     *
+     * @since 1.0.19
+     * @param  string $value state.
+     */
+    public function set_user_state( $value ) {
+        $this->set_state( $value );
     }
 
     /**
-	 * Alias of self::set_country().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value country.
-	 */
-	public function set_user_country( $value ) {
-		$this->set_country( $value );
+     * Alias of self::set_state().
+     *
+     * @since 1.0.19
+     * @param  string $value state.
+     */
+    public function set_customer_state( $value ) {
+        $this->set_state( $value );
     }
 
     /**
-	 * Alias of self::set_country().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value country.
-	 */
-	public function set_customer_country( $value ) {
-		$this->set_country( $value );
+     * Set the customer's city.
+     *
+     * @since 1.0.19
+     * @param  string $value city.
+     */
+    public function set_city( $value ) {
+        $this->set_prop( 'city', $value );
     }
 
     /**
-	 * Set the customer's state.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value state.
-	 */
-	public function set_state( $value ) {
-		$this->set_prop( 'state', $value );
+     * Alias of self::set_city().
+     *
+     * @since 1.0.19
+     * @param  string $value city.
+     */
+    public function set_user_city( $value ) {
+        $this->set_city( $value );
     }
 
     /**
-	 * Alias of self::set_state().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value state.
-	 */
-	public function set_user_state( $value ) {
-		$this->set_state( $value );
+     * Alias of self::set_city().
+     *
+     * @since 1.0.19
+     * @param  string $value city.
+     */
+    public function set_customer_city( $value ) {
+        $this->set_city( $value );
     }
 
     /**
-	 * Alias of self::set_state().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value state.
-	 */
-	public function set_customer_state( $value ) {
-		$this->set_state( $value );
+     * Set the customer's zip code.
+     *
+     * @since 1.0.19
+     * @param  string $value zip.
+     */
+    public function set_zip( $value ) {
+        $this->set_prop( 'zip', $value );
     }
 
     /**
-	 * Set the customer's city.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value city.
-	 */
-	public function set_city( $value ) {
-		$this->set_prop( 'city', $value );
+     * Alias of self::set_zip().
+     *
+     * @since 1.0.19
+     * @param  string $value zip.
+     */
+    public function set_user_zip( $value ) {
+        $this->set_zip( $value );
     }
 
     /**
-	 * Alias of self::set_city().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value city.
-	 */
-	public function set_user_city( $value ) {
-		$this->set_city( $value );
+     * Alias of self::set_zip().
+     *
+     * @since 1.0.19
+     * @param  string $value zip.
+     */
+    public function set_customer_zip( $value ) {
+        $this->set_zip( $value );
     }
 
     /**
-	 * Alias of self::set_city().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value city.
-	 */
-	public function set_customer_city( $value ) {
-		$this->set_city( $value );
+     * Set the customer's company.
+     *
+     * @since 1.0.19
+     * @param  string $value company.
+     */
+    public function set_company( $value ) {
+        $this->set_prop( 'company', $value );
     }
 
     /**
-	 * Set the customer's zip code.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value zip.
-	 */
-	public function set_zip( $value ) {
-		$this->set_prop( 'zip', $value );
+     * Alias of self::set_company().
+     *
+     * @since 1.0.19
+     * @param  string $value company.
+     */
+    public function set_user_company( $value ) {
+        $this->set_company( $value );
     }
 
     /**
-	 * Alias of self::set_zip().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value zip.
-	 */
-	public function set_user_zip( $value ) {
-		$this->set_zip( $value );
+     * Alias of self::set_company().
+     *
+     * @since 1.0.19
+     * @param  string $value company.
+     */
+    public function set_customer_company( $value ) {
+        $this->set_company( $value );
     }
 
     /**
-	 * Alias of self::set_zip().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value zip.
-	 */
-	public function set_customer_zip( $value ) {
-		$this->set_zip( $value );
+     * Set the customer's var number.
+     *
+     * @since 1.0.19
+     * @param  string $value var number.
+     */
+    public function set_vat_number( $value ) {
+        $this->set_prop( 'vat_number', $value );
     }
 
     /**
-	 * Set the customer's company.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value company.
-	 */
-	public function set_company( $value ) {
-		$this->set_prop( 'company', $value );
+     * Alias of self::set_vat_number().
+     *
+     * @since 1.0.19
+     * @param  string $value var number.
+     */
+    public function set_user_vat_number( $value ) {
+        $this->set_vat_number( $value );
     }
 
     /**
-	 * Alias of self::set_company().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value company.
-	 */
-	public function set_user_company( $value ) {
-		$this->set_company( $value );
+     * Alias of self::set_vat_number().
+     *
+     * @since 1.0.19
+     * @param  string $value var number.
+     */
+    public function set_customer_vat_number( $value ) {
+        $this->set_vat_number( $value );
     }
 
     /**
-	 * Alias of self::set_company().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value company.
-	 */
-	public function set_customer_company( $value ) {
-		$this->set_company( $value );
+     * Set the customer's vat rate.
+     *
+     * @since 1.0.19
+     * @param  string $value var rate.
+     */
+    public function set_vat_rate( $value ) {
+        $this->set_prop( 'vat_rate', $value );
     }
 
     /**
-	 * Set the customer's var number.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value var number.
-	 */
-	public function set_vat_number( $value ) {
-		$this->set_prop( 'vat_number', $value );
+     * Alias of self::set_vat_rate().
+     *
+     * @since 1.0.19
+     * @param  string $value var number.
+     */
+    public function set_user_vat_rate( $value ) {
+        $this->set_vat_rate( $value );
     }
 
     /**
-	 * Alias of self::set_vat_number().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value var number.
-	 */
-	public function set_user_vat_number( $value ) {
-		$this->set_vat_number( $value );
+     * Alias of self::set_vat_rate().
+     *
+     * @since 1.0.19
+     * @param  string $value var number.
+     */
+    public function set_customer_vat_rate( $value ) {
+        $this->set_vat_rate( $value );
     }
 
     /**
-	 * Alias of self::set_vat_number().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value var number.
-	 */
-	public function set_customer_vat_number( $value ) {
-		$this->set_vat_number( $value );
+     * Set the customer's address.
+     *
+     * @since 1.0.19
+     * @param  string $value address.
+     */
+    public function set_address( $value ) {
+        $this->set_prop( 'address', $value );
     }
 
     /**
-	 * Set the customer's vat rate.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value var rate.
-	 */
-	public function set_vat_rate( $value ) {
-		$this->set_prop( 'vat_rate', $value );
+     * Alias of self::set_address().
+     *
+     * @since 1.0.19
+     * @param  string $value address.
+     */
+    public function set_user_address( $value ) {
+        $this->set_address( $value );
     }
 
     /**
-	 * Alias of self::set_vat_rate().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value var number.
-	 */
-	public function set_user_vat_rate( $value ) {
-		$this->set_vat_rate( $value );
+     * Alias of self::set_address().
+     *
+     * @since 1.0.19
+     * @param  string $value address.
+     */
+    public function set_customer_address( $value ) {
+        $this->set_address( $value );
     }
 
     /**
-	 * Alias of self::set_vat_rate().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value var number.
-	 */
-	public function set_customer_vat_rate( $value ) {
-		$this->set_vat_rate( $value );
+     * Set whether the customer has viewed the invoice or not.
+     *
+     * @since 1.0.19
+     * @param  int|bool $value confirmed.
+     */
+    public function set_is_viewed( $value ) {
+        $this->set_prop( 'is_viewed', $value );
     }
 
     /**
-	 * Set the customer's address.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value address.
-	 */
-	public function set_address( $value ) {
-		$this->set_prop( 'address', $value );
+     * Set extra email recipients.
+     *
+     * @since 1.0.19
+     * @param  string $value email recipients.
+     */
+    public function set_email_cc( $value ) {
+        $this->set_prop( 'email_cc', $value );
     }
 
     /**
-	 * Alias of self::set_address().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value address.
-	 */
-	public function set_user_address( $value ) {
-		$this->set_address( $value );
+     * Set the invoice template.
+     *
+     * @since 1.0.19
+     * @param  string $value template.
+     */
+    public function set_template( $value ) {
+        if ( in_array( $value, array( 'quantity', 'hours', 'amount' ) ) ) {
+            $this->set_prop( 'template', $value );
+        }
     }
 
     /**
-	 * Alias of self::set_address().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value address.
-	 */
-	public function set_customer_address( $value ) {
-		$this->set_address( $value );
+     * Set the invoice source.
+     *
+     * @since 1.0.19
+     * @param  string $value email recipients.
+     */
+    public function created_via( $value ) {
+        $this->set_prop( 'created_via', sanitize_text_field( $value ) );
     }
 
     /**
-	 * Set whether the customer has viewed the invoice or not.
-	 *
-	 * @since 1.0.19
-	 * @param  int|bool $value confirmed.
-	 */
-	public function set_is_viewed( $value ) {
-		$this->set_prop( 'is_viewed', $value );
-	}
-
-	/**
-	 * Set extra email recipients.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value email recipients.
-	 */
-	public function set_email_cc( $value ) {
-		$this->set_prop( 'email_cc', $value );
-	}
-
-	/**
-	 * Set the invoice template.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value template.
-	 */
-	public function set_template( $value ) {
-		if ( in_array( $value, array( 'quantity', 'hours', 'amount' ) ) ) {
-			$this->set_prop( 'template', $value );
-		}
-	}
-
-	/**
-	 * Set the invoice source.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value email recipients.
-	 */
-	public function created_via( $value ) {
-		$this->set_prop( 'created_via', sanitize_text_field( $value ) );
-	}
-
-	/**
-	 * Set the customer's address confirmed status.
-	 *
-	 * @since 1.0.19
-	 * @param  int|bool $value confirmed.
-	 */
-	public function set_address_confirmed( $value ) {
-		$this->set_prop( 'address_confirmed', $value );
+     * Set the customer's address confirmed status.
+     *
+     * @since 1.0.19
+     * @param  int|bool $value confirmed.
+     */
+    public function set_address_confirmed( $value ) {
+        $this->set_prop( 'address_confirmed', $value );
     }
 
     /**
-	 * Alias of self::set_address_confirmed().
-	 *
-	 * @since 1.0.19
-	 * @param  int|bool $value confirmed.
-	 */
-	public function set_user_address_confirmed( $value ) {
-		$this->set_address_confirmed( $value );
+     * Alias of self::set_address_confirmed().
+     *
+     * @since 1.0.19
+     * @param  int|bool $value confirmed.
+     */
+    public function set_user_address_confirmed( $value ) {
+        $this->set_address_confirmed( $value );
     }
 
     /**
-	 * Alias of self::set_address_confirmed().
-	 *
-	 * @since 1.0.19
-	 * @param  int|bool $value confirmed.
-	 */
-	public function set_customer_address_confirmed( $value ) {
-		$this->set_address_confirmed( $value );
+     * Alias of self::set_address_confirmed().
+     *
+     * @since 1.0.19
+     * @param  int|bool $value confirmed.
+     */
+    public function set_customer_address_confirmed( $value ) {
+        $this->set_address_confirmed( $value );
     }
 
     /**
-	 * Set the invoice sub total.
-	 *
-	 * @since 1.0.19
-	 * @param  float $value sub total.
-	 */
-	public function set_subtotal( $value ) {
-		$this->set_prop( 'subtotal', $value );
+     * Set the invoice sub total.
+     *
+     * @since 1.0.19
+     * @param  float $value sub total.
+     */
+    public function set_subtotal( $value ) {
+        $this->set_prop( 'subtotal', $value );
     }
 
     /**
-	 * Set the invoice discount amount.
-	 *
-	 * @since 1.0.19
-	 * @param  float $value discount total.
-	 */
-	public function set_total_discount( $value ) {
-		$this->set_prop( 'total_discount', $value );
+     * Set the invoice discount amount.
+     *
+     * @since 1.0.19
+     * @param  float $value discount total.
+     */
+    public function set_total_discount( $value ) {
+        $this->set_prop( 'total_discount', $value );
     }
 
     /**
-	 * Alias of self::set_total_discount().
-	 *
-	 * @since 1.0.19
-	 * @param  float $value discount total.
-	 */
-	public function set_discount( $value ) {
-		$this->set_total_discount( $value );
+     * Alias of self::set_total_discount().
+     *
+     * @since 1.0.19
+     * @param  float $value discount total.
+     */
+    public function set_discount( $value ) {
+        $this->set_total_discount( $value );
     }
 
     /**
-	 * Set the invoice tax amount.
-	 *
-	 * @since 1.0.19
-	 * @param  float $value tax total.
-	 */
-	public function set_total_tax( $value ) {
-		$this->set_prop( 'total_tax', $value );
+     * Set the invoice tax amount.
+     *
+     * @since 1.0.19
+     * @param  float $value tax total.
+     */
+    public function set_total_tax( $value ) {
+        $this->set_prop( 'total_tax', $value );
     }
 
     /**
-	 * Alias of self::set_total_tax().
-	 *
-	 * @since 1.0.19
-	 * @param  float $value tax total.
-	 */
-	public function set_tax_total( $value ) {
-		$this->set_total_tax( $value );
+     * Alias of self::set_total_tax().
+     *
+     * @since 1.0.19
+     * @param  float $value tax total.
+     */
+    public function set_tax_total( $value ) {
+        $this->set_total_tax( $value );
     }
 
     /**
-	 * Set the invoice fees amount.
-	 *
-	 * @since 1.0.19
-	 * @param  float $value fees total.
-	 */
-	public function set_total_fees( $value ) {
-		$this->set_prop( 'total_fees', $value );
+     * Set the invoice fees amount.
+     *
+     * @since 1.0.19
+     * @param  float $value fees total.
+     */
+    public function set_total_fees( $value ) {
+        $this->set_prop( 'total_fees', $value );
     }
 
     /**
-	 * Alias of self::set_total_fees().
-	 *
-	 * @since 1.0.19
-	 * @param  float $value fees total.
-	 */
-	public function set_fees_total( $value ) {
-		$this->set_total_fees( $value );
+     * Alias of self::set_total_fees().
+     *
+     * @since 1.0.19
+     * @param  float $value fees total.
+     */
+    public function set_fees_total( $value ) {
+        $this->set_total_fees( $value );
     }
 
     /**
-	 * Set the invoice fees.
-	 *
-	 * @since 1.0.19
-	 * @param  array $value fees.
-	 */
-	public function set_fees( $value ) {
+     * Set the invoice fees.
+     *
+     * @since 1.0.19
+     * @param  array $value fees.
+     */
+    public function set_fees( $value ) {
 
-		if ( ! is_array( $value ) ) {
-			$value = array();
-		}
+        if ( ! is_array( $value ) ) {
+            $value = array();
+        }
 
-		$this->set_prop( 'fees', $value );
+        $this->set_prop( 'fees', $value );
 
     }
 
     /**
-	 * Set the invoice taxes.
-	 *
-	 * @since 1.0.19
-	 * @param  array $value taxes.
-	 */
-	public function set_taxes( $value ) {
+     * Set the invoice taxes.
+     *
+     * @since 1.0.19
+     * @param  array $value taxes.
+     */
+    public function set_taxes( $value ) {
 
-		if ( ! is_array( $value ) ) {
-			$value = array();
-		}
+        if ( ! is_array( $value ) ) {
+            $value = array();
+        }
 
-		$this->set_prop( 'taxes', $value );
+        $this->set_prop( 'taxes', $value );
 
     }
 
     /**
-	 * Set the invoice discounts.
-	 *
-	 * @since 1.0.19
-	 * @param  array $value discounts.
-	 */
-	public function set_discounts( $value ) {
+     * Set the invoice discounts.
+     *
+     * @since 1.0.19
+     * @param  array $value discounts.
+     */
+    public function set_discounts( $value ) {
 
-		if ( ! is_array( $value ) ) {
-			$value = array();
-		}
+        if ( ! is_array( $value ) ) {
+            $value = array();
+        }
 
-		$this->set_prop( 'discounts', $value );
+        $this->set_prop( 'discounts', $value );
     }
 
     /**
-	 * Set the invoice items.
-	 *
-	 * @since 1.0.19
-	 * @param  GetPaid_Form_Item[] $value items.
-	 */
-	public function set_items( $value ) {
+     * Set the invoice items.
+     *
+     * @since 1.0.19
+     * @param  GetPaid_Form_Item[] $value items.
+     */
+    public function set_items( $value ) {
 
         // Remove existing items.
         $this->set_prop( 'items', array() );
@@ -2822,95 +2822,95 @@ 
     }
 
     /**
-	 * Set the payment form.
-	 *
-	 * @since 1.0.19
-	 * @param  int $value payment form.
-	 */
-	public function set_payment_form( $value ) {
-		$this->set_prop( 'payment_form', $value );
+     * Set the payment form.
+     *
+     * @since 1.0.19
+     * @param  int $value payment form.
+     */
+    public function set_payment_form( $value ) {
+        $this->set_prop( 'payment_form', $value );
     }
 
     /**
-	 * Set the submission id.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value submission id.
-	 */
-	public function set_submission_id( $value ) {
-		$this->set_prop( 'submission_id', $value );
+     * Set the submission id.
+     *
+     * @since 1.0.19
+     * @param  string $value submission id.
+     */
+    public function set_submission_id( $value ) {
+        $this->set_prop( 'submission_id', $value );
     }
 
     /**
-	 * Set the discount code.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value discount code.
-	 */
-	public function set_discount_code( $value ) {
-		$this->set_prop( 'discount_code', $value );
+     * Set the discount code.
+     *
+     * @since 1.0.19
+     * @param  string $value discount code.
+     */
+    public function set_discount_code( $value ) {
+        $this->set_prop( 'discount_code', $value );
     }
 
     /**
-	 * Set the gateway.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value gateway.
-	 */
-	public function set_gateway( $value ) {
-		$this->set_prop( 'gateway', $value );
+     * Set the gateway.
+     *
+     * @since 1.0.19
+     * @param  string $value gateway.
+     */
+    public function set_gateway( $value ) {
+        $this->set_prop( 'gateway', $value );
     }
 
     /**
-	 * Set the transaction id.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value transaction id.
-	 */
-	public function set_transaction_id( $value ) {
-		if ( ! empty( $value ) ) {
-			$this->set_prop( 'transaction_id', $value );
-		}
+     * Set the transaction id.
+     *
+     * @since 1.0.19
+     * @param  string $value transaction id.
+     */
+    public function set_transaction_id( $value ) {
+        if ( ! empty( $value ) ) {
+            $this->set_prop( 'transaction_id', $value );
+        }
     }
 
     /**
-	 * Set the currency id.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value currency id.
-	 */
-	public function set_currency( $value ) {
-		$this->set_prop( 'currency', $value );
+     * Set the currency id.
+     *
+     * @since 1.0.19
+     * @param  string $value currency id.
+     */
+    public function set_currency( $value ) {
+        $this->set_prop( 'currency', $value );
     }
 
-	/**
-	 * Set whether to disable taxes.
-	 *
-	 * @since 1.0.19
-	 * @param  bool $value value.
-	 */
-	public function set_disable_taxes( $value ) {
-		$this->set_prop( 'disable_taxes', (bool) $value );
-	}
+    /**
+     * Set whether to disable taxes.
+     *
+     * @since 1.0.19
+     * @param  bool $value value.
+     */
+    public function set_disable_taxes( $value ) {
+        $this->set_prop( 'disable_taxes', (bool) $value );
+    }
 
     /**
-	 * Set the subscription id.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value subscription id.
-	 */
-	public function set_subscription_id( $value ) {
-		$this->set_prop( 'subscription_id', $value );
-	}
+     * Set the subscription id.
+     *
+     * @since 1.0.19
+     * @param  string $value subscription id.
+     */
+    public function set_subscription_id( $value ) {
+        $this->set_prop( 'subscription_id', $value );
+    }
 	
-	/**
-	 * Set the remote subscription id.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value subscription id.
-	 */
-	public function set_remote_subscription_id( $value ) {
-		$this->set_prop( 'remote_subscription_id', $value );
+    /**
+     * Set the remote subscription id.
+     *
+     * @since 1.0.19
+     * @param  string $value subscription id.
+     */
+    public function set_remote_subscription_id( $value ) {
+        $this->set_prop( 'remote_subscription_id', $value );
     }
 
     /*
@@ -2949,12 +2949,12 @@ 
      */
     public function is_taxable() {
         return ! $this->get_disable_taxes();
-	}
+    }
 
-	/**
-	 * @deprecated
-	 */
-	public function has_vat() {
+    /**
+     * @deprecated
+     */
+    public function has_vat() {
         global $wpinv_euvat, $wpi_country;
 
         $requires_vat = false;
@@ -2965,17 +2965,17 @@ 
         }
 
         return apply_filters( 'wpinv_invoice_has_vat', $requires_vat, $this );
-	}
+    }
 
-	/**
-	 * Checks to see if the invoice requires payment.
-	 */
-	public function is_free() {
+    /**
+     * Checks to see if the invoice requires payment.
+     */
+    public function is_free() {
         $is_free = ( (float) wpinv_round_amount( $this->get_initial_total() ) == 0 );
 
-		if ( $this->is_recurring() && $this->get_recurring_total() > 0 ) {
-			$is_free = false;
-		}
+        if ( $this->is_recurring() && $this->get_recurring_total() > 0 ) {
+            $is_free = false;
+        }
 
         return apply_filters( 'wpinv_invoice_is_free', $is_free, $this );
     }
@@ -2986,46 +2986,46 @@ 
     public function is_paid() {
         $is_paid = $this->has_status( array( 'publish', 'wpi-processing', 'wpi-renewal' ) );
         return apply_filters( 'wpinv_invoice_is_paid', $is_paid, $this );
-	}
+    }
 
-	/**
+    /**
      * Checks if the invoice needs payment.
      */
-	public function needs_payment() {
-		$needs_payment = ! $this->is_paid() && ! $this->is_refunded() && ! $this->is_free();
+    public function needs_payment() {
+        $needs_payment = ! $this->is_paid() && ! $this->is_refunded() && ! $this->is_free();
         return apply_filters( 'wpinv_needs_payment', $needs_payment, $this );
     }
   
-	/**
+    /**
      * Checks if the invoice is refunded.
      */
-	public function is_refunded() {
+    public function is_refunded() {
         $is_refunded = $this->has_status( 'wpi-refunded' );
         return apply_filters( 'wpinv_invoice_is_refunded', $is_refunded, $this );
-	}
+    }
 
-	/**
+    /**
      * Checks if the invoice is held.
      */
-	public function is_held() {
+    public function is_held() {
         $is_held = $this->has_status( 'wpi-onhold' );
         return apply_filters( 'wpinv_invoice_is_held', $is_held, $this );
-	}
+    }
 
-	/**
+    /**
      * Checks if the invoice is due.
      */
-	public function is_due() {
-		$due_date = $this->get_due_date();
-		return empty( $due_date ) ? false : current_time( 'timestamp' ) > strtotime( $due_date );
-	}
+    public function is_due() {
+        $due_date = $this->get_due_date();
+        return empty( $due_date ) ? false : current_time( 'timestamp' ) > strtotime( $due_date );
+    }
 
-	/**
+    /**
      * Checks if the invoice is draft.
      */
-	public function is_draft() {
+    public function is_draft() {
         return $this->has_status( 'draft, auto-draft' );
-	}
+    }
 
     /**
      * Checks if the invoice has a given status.
@@ -3033,9 +3033,9 @@ 
     public function has_status( $status ) {
         $status = wpinv_parse_list( $status );
         return apply_filters( 'wpinv_has_status', in_array( $this->get_status(), $status ), $status );
-	}
+    }
 
-	/**
+    /**
      * Checks if the invoice is of a given type.
      */
     public function is_type( $type ) {
@@ -3058,25 +3058,25 @@ 
      */
     public function has_free_trial() {
         return $this->is_recurring() && 0 == $this->get_initial_total();
-	}
+    }
 
-	/**
+    /**
      * @deprecated
      */
     public function is_free_trial() {
         $this->has_free_trial();
     }
 
-	/**
+    /**
      * Check if the initial payment if 0.
      *
      */
-	public function is_initial_free() {
+    public function is_initial_free() {
         $is_initial_free = ! ( (float) wpinv_round_amount( $this->get_initial_total() ) > 0 );
         return apply_filters( 'wpinv_invoice_is_initial_free', $is_initial_free, $this->get_cart_details(), $this );
     }
 	
-	/**
+    /**
      * Check if the recurring item has a free trial.
      *
      */
@@ -3089,21 +3089,21 @@ 
 
         $item = $this->get_recurring( true );
         return $item->has_free_trial();
-	}
+    }
 
-	/**
+    /**
      * Check if the free trial is a result of a discount.
      */
     public function is_free_trial_from_discount() {
-		return $this->has_free_trial() && ! $this->item_has_free_trial();
-	}
+        return $this->has_free_trial() && ! $this->item_has_free_trial();
+    }
 	
-	/**
+    /**
      * @deprecated
      */
     public function discount_first_payment_only() {
 
-		$discount_code = $this->get_discount_code();
+        $discount_code = $this->get_discount_code();
         if ( empty( $this->discount_code ) || ! $this->is_recurring() ) {
             return true;
         }
@@ -3134,28 +3134,28 @@ 
      */
     public function add_item( $item ) {
 
-		if ( is_array( $item ) ) {
-			$item = $this->process_array_item( $item );
-		}
+        if ( is_array( $item ) ) {
+            $item = $this->process_array_item( $item );
+        }
 
-		if ( is_numeric( $item ) ) {
-			$item = new GetPaid_Form_Item( $item );
-		}
+        if ( is_numeric( $item ) ) {
+            $item = new GetPaid_Form_Item( $item );
+        }
 
         // Make sure that it is available for purchase.
-		if ( $item->get_id() > 0 && ! $item->can_purchase() ) {
-			return new WP_Error( 'invalid_item', __( 'This item is not available for purchase', 'invoicing' ) );
+        if ( $item->get_id() > 0 && ! $item->can_purchase() ) {
+            return new WP_Error( 'invalid_item', __( 'This item is not available for purchase', 'invoicing' ) );
         }
 
         // Do we have a recurring item?
-		if ( $item->is_recurring() ) {
+        if ( $item->is_recurring() ) {
 
-			// An invoice can only contain one recurring item.
-			if ( ! empty( $this->recurring_item  && $this->recurring_item != (int) $item->get_id() ) ) {
-				return new WP_Error( 'recurring_item', __( 'An invoice can only contain one recurring item', 'invoicing' ) );
-			}
+            // An invoice can only contain one recurring item.
+            if ( ! empty( $this->recurring_item  && $this->recurring_item != (int) $item->get_id() ) ) {
+                return new WP_Error( 'recurring_item', __( 'An invoice can only contain one recurring item', 'invoicing' ) );
+            }
 
-			$this->recurring_item = $item->get_id();
+            $this->recurring_item = $item->get_id();
         }
 
         // Invoice id.
@@ -3166,60 +3166,60 @@ 
         $items[ (int) $item->get_id() ] = $item;
 
         $this->set_prop( 'items', $items );
-		return true;
-	}
+        return true;
+    }
 
-	/**
-	 * Converts an array to an item.
-	 *
-	 * @since 1.0.19
-	 * @return GetPaid_Form_Item
-	 */
-	protected function process_array_item( $array ) {
+    /**
+     * Converts an array to an item.
+     *
+     * @since 1.0.19
+     * @return GetPaid_Form_Item
+     */
+    protected function process_array_item( $array ) {
 
-		$item_id = isset( $array['item_id'] ) ? $array['item_id'] : 0;
-		$item    = new GetPaid_Form_Item( $item_id );
+        $item_id = isset( $array['item_id'] ) ? $array['item_id'] : 0;
+        $item    = new GetPaid_Form_Item( $item_id );
 
-		// Set item data.
-		foreach ( array( 'name', 'price', 'description' ) as $key ) {
-			if ( isset( $array[ "item_$key" ] ) ) {
-				$method = "set_$key";
-				$item->$method( $array[ "item_$key" ] );
-			}
-		}
+        // Set item data.
+        foreach ( array( 'name', 'price', 'description' ) as $key ) {
+            if ( isset( $array[ "item_$key" ] ) ) {
+                $method = "set_$key";
+                $item->$method( $array[ "item_$key" ] );
+            }
+        }
 
-		if ( isset( $array['quantity'] ) ) {
-			$item->set_quantity( $array['quantity'] );
-		}
+        if ( isset( $array['quantity'] ) ) {
+            $item->set_quantity( $array['quantity'] );
+        }
 
-		// Set item meta.
-		if ( isset( $array['meta'] ) && is_array( $array['meta'] ) ) {
-			$item->set_item_meta( $array['meta'] );
-		}
+        // Set item meta.
+        if ( isset( $array['meta'] ) && is_array( $array['meta'] ) ) {
+            $item->set_item_meta( $array['meta'] );
+        }
 
-		return $item;
+        return $item;
 
-	}
+    }
 
     /**
-	 * Retrieves a specific item.
-	 *
-	 * @since 1.0.19
-	 */
-	public function get_item( $item_id ) {
-		$items   = $this->get_items();
-		$item_id = (int) $item_id;
-		return ( ! empty( $item_id ) && isset( $items[ $item_id ] ) ) ? $items[ $item_id ] : null;
+     * Retrieves a specific item.
+     *
+     * @since 1.0.19
+     */
+    public function get_item( $item_id ) {
+        $items   = $this->get_items();
+        $item_id = (int) $item_id;
+        return ( ! empty( $item_id ) && isset( $items[ $item_id ] ) ) ? $items[ $item_id ] : null;
     }
 
     /**
-	 * Removes a specific item.
-	 *
-	 * @since 1.0.19
-	 */
-	public function remove_item( $item_id ) {
-		$items   = $this->get_items();
-		$item_id = (int) $item_id;
+     * Removes a specific item.
+     *
+     * @since 1.0.19
+     */
+    public function remove_item( $item_id ) {
+        $items   = $this->get_items();
+        $item_id = (int) $item_id;
 
         if ( $item_id == $this->recurring_item ) {
             $this->recurring_item = null;
@@ -3232,35 +3232,35 @@ 
     }
 
     /**
-	 * Adds a fee to the invoice.
-	 *
-	 * @param array $fee An array of fee details. name, initial_fee, and recurring_fee are required.
-	 * @since 1.0.19
-	 */
+     * Adds a fee to the invoice.
+     *
+     * @param array $fee An array of fee details. name, initial_fee, and recurring_fee are required.
+     * @since 1.0.19
+     */
     public function add_fee( $fee ) {
 
-		$fees                 = $this->get_fees();
-		$fees[ $fee['name'] ] = $fee;
-		$this->set_prop( 'fees', $fees );
+        $fees                 = $this->get_fees();
+        $fees[ $fee['name'] ] = $fee;
+        $this->set_prop( 'fees', $fees );
 
     }
 
     /**
-	 * Retrieves a specific fee.
-	 *
-	 * @since 1.0.19
-	 */
-	public function get_fee( $fee ) {
+     * Retrieves a specific fee.
+     *
+     * @since 1.0.19
+     */
+    public function get_fee( $fee ) {
         $fees = $this->get_fees();
-		return isset( $fees[ $fee ] ) ? $fees[ $fee ] : null;
+        return isset( $fees[ $fee ] ) ? $fees[ $fee ] : null;
     }
 
     /**
-	 * Removes a specific fee.
-	 *
-	 * @since 1.0.19
-	 */
-	public function remove_fee( $fee ) {
+     * Removes a specific fee.
+     *
+     * @since 1.0.19
+     */
+    public function remove_fee( $fee ) {
         $fees = $this->get_fees();
         if ( isset( $fees[ $fee ] ) ) {
             unset( $fees[ $fee ] );
@@ -3268,43 +3268,43 @@ 
         }
     }
 
-	/**
-	 * Adds a discount to the invoice.
-	 *
-	 * @param array $discount An array of discount details. name, initial_discount, and recurring_discount are required. Include discount_code if the discount is from a discount code.
-	 * @since 1.0.19
-	 */
-	public function add_discount( $discount ) {
+    /**
+     * Adds a discount to the invoice.
+     *
+     * @param array $discount An array of discount details. name, initial_discount, and recurring_discount are required. Include discount_code if the discount is from a discount code.
+     * @since 1.0.19
+     */
+    public function add_discount( $discount ) {
 
-		$discounts = $this->get_discounts();
-		$discounts[ $discount['name'] ] = $discount;
-		$this->set_prop( 'discounts', $discounts );
+        $discounts = $this->get_discounts();
+        $discounts[ $discount['name'] ] = $discount;
+        $this->set_prop( 'discounts', $discounts );
 
-	}
+    }
 
     /**
-	 * Retrieves a specific discount.
-	 *
-	 * @since 1.0.19
-	 * @return float
-	 */
-	public function get_discount( $discount = false ) {
+     * Retrieves a specific discount.
+     *
+     * @since 1.0.19
+     * @return float
+     */
+    public function get_discount( $discount = false ) {
 
-		// Backwards compatibilty.
-		if ( empty( $discount ) ) {
-			return $this->get_total_discount();
-		}
+        // Backwards compatibilty.
+        if ( empty( $discount ) ) {
+            return $this->get_total_discount();
+        }
 
         $discounts = $this->get_discounts();
-		return isset( $discounts[ $discount ] ) ? $discounts[ $discount ] : null;
+        return isset( $discounts[ $discount ] ) ? $discounts[ $discount ] : null;
     }
 
     /**
-	 * Removes a specific discount.
-	 *
-	 * @since 1.0.19
-	 */
-	public function remove_discount( $discount ) {
+     * Removes a specific discount.
+     *
+     * @since 1.0.19
+     */
+    public function remove_discount( $discount ) {
         $discounts = $this->get_discounts();
         if ( isset( $discounts[ $discount ] ) ) {
             unset( $discounts[ $discount ] );
@@ -3321,34 +3321,34 @@ 
         if ( $this->is_taxable() ) {
 
             $taxes                 = $this->get_taxes();
-			$taxes[ $tax['name'] ] = $tax;
-			$this->set_prop( 'taxes', $tax );
+            $taxes[ $tax['name'] ] = $tax;
+            $this->set_prop( 'taxes', $tax );
 
         }
     }
 
     /**
-	 * Retrieves a specific tax.
-	 *
-	 * @since 1.0.19
-	 */
-	public function get_tax( $tax = null ) {
+     * Retrieves a specific tax.
+     *
+     * @since 1.0.19
+     */
+    public function get_tax( $tax = null ) {
 
-		// Backwards compatility.
-		if ( empty( $tax ) ) {
-			return $this->get_total_tax();
-		}
+        // Backwards compatility.
+        if ( empty( $tax ) ) {
+            return $this->get_total_tax();
+        }
 
         $taxes = $this->get_taxes();
-		return isset( $taxes[ $tax ] ) ? $taxes[ $tax ] : null;
+        return isset( $taxes[ $tax ] ) ? $taxes[ $tax ] : null;
     }
 
     /**
-	 * Removes a specific tax.
-	 *
-	 * @since 1.0.19
-	 */
-	public function remove_tax( $tax ) {
+     * Removes a specific tax.
+     *
+     * @since 1.0.19
+     */
+    public function remove_tax( $tax ) {
         $taxes = $this->get_taxes();
         if ( isset( $taxes[ $tax ] ) ) {
             unset( $taxes[ $tax ] );
@@ -3357,134 +3357,134 @@ 
     }
 
     /**
-	 * Recalculates the invoice subtotal.
-	 *
-	 * @since 1.0.19
-	 * @return float The recalculated subtotal
-	 */
-	public function recalculate_subtotal() {
+     * Recalculates the invoice subtotal.
+     *
+     * @since 1.0.19
+     * @return float The recalculated subtotal
+     */
+    public function recalculate_subtotal() {
         $items     = $this->get_items();
-		$subtotal  = 0;
-		$recurring = 0;
+        $subtotal  = 0;
+        $recurring = 0;
 
         foreach ( $items as $item ) {
-			$subtotal  += $item->get_sub_total();
-			$recurring += $item->get_recurring_sub_total();
+            $subtotal  += $item->get_sub_total();
+            $recurring += $item->get_recurring_sub_total();
         }
 
-		$current = $this->is_renewal() ? $recurring : $subtotal;
-		$this->set_subtotal( $current );
+        $current = $this->is_renewal() ? $recurring : $subtotal;
+        $this->set_subtotal( $current );
 
-		$this->totals['subtotal'] = array(
-			'initial'   => $subtotal,
-			'recurring' => $recurring,
-		);
+        $this->totals['subtotal'] = array(
+            'initial'   => $subtotal,
+            'recurring' => $recurring,
+        );
 
         return $current;
     }
 
     /**
-	 * Recalculates the invoice discount total.
-	 *
-	 * @since 1.0.19
-	 * @return float The recalculated discount
-	 */
-	public function recalculate_total_discount() {
+     * Recalculates the invoice discount total.
+     *
+     * @since 1.0.19
+     * @return float The recalculated discount
+     */
+    public function recalculate_total_discount() {
         $discounts = $this->get_discounts();
-		$discount  = 0;
-		$recurring = 0;
+        $discount  = 0;
+        $recurring = 0;
 
         foreach ( $discounts as $data ) {
-			$discount  += wpinv_sanitize_amount( $data['initial_discount'] );
-			$recurring += wpinv_sanitize_amount( $data['recurring_discount'] );
-		}
+            $discount  += wpinv_sanitize_amount( $data['initial_discount'] );
+            $recurring += wpinv_sanitize_amount( $data['recurring_discount'] );
+        }
 
-		$current = $this->is_renewal() ? $recurring : $discount;
+        $current = $this->is_renewal() ? $recurring : $discount;
 
-		$this->set_total_discount( $current );
+        $this->set_total_discount( $current );
 
-		$this->totals['discount'] = array(
-			'initial'   => $discount,
-			'recurring' => $recurring,
-		);
+        $this->totals['discount'] = array(
+            'initial'   => $discount,
+            'recurring' => $recurring,
+        );
 
-		return $current;
+        return $current;
 
     }
 
     /**
-	 * Recalculates the invoice tax total.
-	 *
-	 * @since 1.0.19
-	 * @return float The recalculated tax
-	 */
-	public function recalculate_total_tax() {
+     * Recalculates the invoice tax total.
+     *
+     * @since 1.0.19
+     * @return float The recalculated tax
+     */
+    public function recalculate_total_tax() {
         $taxes     = $this->get_taxes();
-		$tax       = 0;
-		$recurring = 0;
+        $tax       = 0;
+        $recurring = 0;
 
         foreach ( $taxes as $data ) {
-			$tax       += wpinv_sanitize_amount( $data['initial_tax'] );
-			$recurring += wpinv_sanitize_amount( $data['recurring_tax'] );
-		}
+            $tax       += wpinv_sanitize_amount( $data['initial_tax'] );
+            $recurring += wpinv_sanitize_amount( $data['recurring_tax'] );
+        }
 
-		$current = $this->is_renewal() ? $recurring : $tax;
-		$this->set_total_tax( $current );
+        $current = $this->is_renewal() ? $recurring : $tax;
+        $this->set_total_tax( $current );
 
-		$this->totals['tax'] = array(
-			'initial'   => $tax,
-			'recurring' => $recurring,
-		);
+        $this->totals['tax'] = array(
+            'initial'   => $tax,
+            'recurring' => $recurring,
+        );
 
-		return $current;
+        return $current;
 
     }
 
     /**
-	 * Recalculates the invoice fees total.
-	 *
-	 * @since 1.0.19
-	 * @return float The recalculated fee
-	 */
-	public function recalculate_total_fees() {
-		$fees      = $this->get_fees();
-		$fee       = 0;
-		$recurring = 0;
+     * Recalculates the invoice fees total.
+     *
+     * @since 1.0.19
+     * @return float The recalculated fee
+     */
+    public function recalculate_total_fees() {
+        $fees      = $this->get_fees();
+        $fee       = 0;
+        $recurring = 0;
 
         foreach ( $fees as $data ) {
-			$fee       += wpinv_sanitize_amount( $data['initial_fee'] );
-			$recurring += wpinv_sanitize_amount( $data['recurring_fee'] );
-		}
+            $fee       += wpinv_sanitize_amount( $data['initial_fee'] );
+            $recurring += wpinv_sanitize_amount( $data['recurring_fee'] );
+        }
 
-		$current = $this->is_renewal() ? $recurring : $fee;
-		$this->set_total_fees( $current );
+        $current = $this->is_renewal() ? $recurring : $fee;
+        $this->set_total_fees( $current );
 
-		$this->totals['fee'] = array(
-			'initial'   => $fee,
-			'recurring' => $recurring,
-		);
+        $this->totals['fee'] = array(
+            'initial'   => $fee,
+            'recurring' => $recurring,
+        );
 
         $this->set_total_fees( $fee );
         return $current;
     }
 
     /**
-	 * Recalculates the invoice total.
-	 *
-	 * @since 1.0.19
+     * Recalculates the invoice total.
+     *
+     * @since 1.0.19
      * @return float The invoice total
-	 */
-	public function recalculate_total() {
+     */
+    public function recalculate_total() {
         $this->recalculate_subtotal();
         $this->recalculate_total_fees();
         $this->recalculate_total_discount();
         $this->recalculate_total_tax();
-		return $this->get_total();
-	}
+        return $this->get_total();
+    }
 
-	/**
-	 * @deprecated
-	 */
+    /**
+     * @deprecated
+     */
     public function recalculate_totals( $temp = false ) {
         $this->update_items( $temp );
         $this->save( true );
@@ -3502,7 +3502,7 @@ 
      * Adds a note to an invoice.
      *
      * @param string $note The note being added.
-	 * @return int|false The new note's ID on success, false on failure.
+     * @return int|false The new note's ID on success, false on failure.
      *
      */
     public function add_note( $note = '', $customer_type = false, $added_by_user = false, $system = false ) {
@@ -3512,21 +3512,21 @@ 
             return false;
         }
 
-		$author       = 'System';
-		$author_email = 'bot@wpinvoicing.com';
+        $author       = 'System';
+        $author_email = 'bot@wpinvoicing.com';
 
-		// If this is an admin comment or it has been added by the user.
-		if ( is_user_logged_in() && ( ! $system || $added_by_user ) ) {
-			$user         = get_user_by( 'id', get_current_user_id() );
+        // If this is an admin comment or it has been added by the user.
+        if ( is_user_logged_in() && ( ! $system || $added_by_user ) ) {
+            $user         = get_user_by( 'id', get_current_user_id() );
             $author       = $user->display_name;
             $author_email = $user->user_email;
-		}
+        }
 
-		return getpaid_notes()->add_invoice_note( $this, $note, $author, $author_email, $customer_type );
+        return getpaid_notes()->add_invoice_note( $this, $note, $author, $author_email, $customer_type );
 
-	}
+    }
 
-	/**
+    /**
      * Generates a unique key for the invoice.
      */
     public function generate_key( $string = '' ) {
@@ -3546,113 +3546,113 @@ 
             $number = wpinv_get_next_invoice_number( $this->get_post_type() );
         }
 
-		return wpinv_format_invoice_number( $number, $this->get_post_type() );
-
-	}
-
-	/**
-	 * Handle the status transition.
-	 */
-	protected function status_transition() {
-		$status_transition = $this->status_transition;
-
-		// Reset status transition variable.
-		$this->status_transition = false;
-
-		if ( $status_transition ) {
-			try {
+        return wpinv_format_invoice_number( $number, $this->get_post_type() );
 
-				// Fire a hook for the status change.
-				do_action( 'getpaid_invoice_status_' . $status_transition['to'], $this, $status_transition );
-
-				// @deprecated this is deprecated and will be removed in the future.
-				do_action( 'wpinv_status_' . $status_transition['to'], $this->get_id(), $status_transition['from'] );
-
-				if ( ! empty( $status_transition['from'] ) ) {
-
-					/* translators: 1: old invoice status 2: new invoice status */
-					$transition_note = sprintf( __( 'Status changed from %1$s to %2$s.', 'invoicing' ), wpinv_status_nicename( $status_transition['from'] ), wpinv_status_nicename( $status_transition['to'] ) );
-
-					// Fire another hook.
-					do_action( 'getpaid_invoice_status_' . $status_transition['from'] . '_to_' . $status_transition['to'], $this );
-					do_action( 'getpaid_invoice_status_changed', $this, $status_transition['from'], $status_transition['to'] );
-
-					// @deprecated this is deprecated and will be removed in the future.
-					do_action( 'wpinv_status_' . $status_transition['from'] . '_to_' . $status_transition['to'], $this->get_id(), $status_transition['from'] );
-
-					// Note the transition occurred.
-					$this->add_note( trim( $status_transition['note'] . ' ' . $transition_note ), 0, $status_transition['manual'] );
-
-					// Work out if this was for a payment, and trigger a payment_status hook instead.
-					if (
-						in_array( $status_transition['from'], array( 'wpi-cancelled', 'wpi-pending', 'wpi-failed', 'wpi-refunded', 'wpi-onhold' ), true )
-						&& in_array( $status_transition['to'], array( 'publish', 'wpi-processing', 'wpi-renewal' ), true )
-					) {
-						do_action( 'getpaid_invoice_payment_status_changed', $this, $status_transition );
-					}
-
-					// Work out if this was for a payment reversal, and trigger a payment_status_reversed hook instead.
-					if (
-						in_array( $status_transition['from'], array( 'publish', 'wpi-processing', 'wpi-renewal' ), true )
-						&& in_array( $status_transition['to'], array( 'wpi-cancelled', 'wpi-pending', 'wpi-failed', 'wpi-refunded', 'wpi-onhold' ), true )
-					) {
-						do_action( 'getpaid_invoice_payment_status_reversed', $this, $status_transition );
-					}
-				} else {
-					/* translators: %s: new invoice status */
-					$transition_note = sprintf( __( 'Status set to %s.', 'invoicing' ), wpinv_status_nicename( $status_transition['to'] ) );
-
-					// Note the transition occurred.
-					$this->add_note( trim( $status_transition['note'] . ' ' . $transition_note ), 0, $status_transition['manual'] );
+    }
 
-				}
-			} catch ( Exception $e ) {
-				$this->add_note( __( 'Error during status transition.', 'invoicing' ) . ' ' . $e->getMessage() );
-			}
-		}
-	}
+    /**
+     * Handle the status transition.
+     */
+    protected function status_transition() {
+        $status_transition = $this->status_transition;
+
+        // Reset status transition variable.
+        $this->status_transition = false;
+
+        if ( $status_transition ) {
+            try {
+
+                // Fire a hook for the status change.
+                do_action( 'getpaid_invoice_status_' . $status_transition['to'], $this, $status_transition );
+
+                // @deprecated this is deprecated and will be removed in the future.
+                do_action( 'wpinv_status_' . $status_transition['to'], $this->get_id(), $status_transition['from'] );
+
+                if ( ! empty( $status_transition['from'] ) ) {
+
+                    /* translators: 1: old invoice status 2: new invoice status */
+                    $transition_note = sprintf( __( 'Status changed from %1$s to %2$s.', 'invoicing' ), wpinv_status_nicename( $status_transition['from'] ), wpinv_status_nicename( $status_transition['to'] ) );
+
+                    // Fire another hook.
+                    do_action( 'getpaid_invoice_status_' . $status_transition['from'] . '_to_' . $status_transition['to'], $this );
+                    do_action( 'getpaid_invoice_status_changed', $this, $status_transition['from'], $status_transition['to'] );
+
+                    // @deprecated this is deprecated and will be removed in the future.
+                    do_action( 'wpinv_status_' . $status_transition['from'] . '_to_' . $status_transition['to'], $this->get_id(), $status_transition['from'] );
+
+                    // Note the transition occurred.
+                    $this->add_note( trim( $status_transition['note'] . ' ' . $transition_note ), 0, $status_transition['manual'] );
+
+                    // Work out if this was for a payment, and trigger a payment_status hook instead.
+                    if (
+                        in_array( $status_transition['from'], array( 'wpi-cancelled', 'wpi-pending', 'wpi-failed', 'wpi-refunded', 'wpi-onhold' ), true )
+                        && in_array( $status_transition['to'], array( 'publish', 'wpi-processing', 'wpi-renewal' ), true )
+                    ) {
+                        do_action( 'getpaid_invoice_payment_status_changed', $this, $status_transition );
+                    }
+
+                    // Work out if this was for a payment reversal, and trigger a payment_status_reversed hook instead.
+                    if (
+                        in_array( $status_transition['from'], array( 'publish', 'wpi-processing', 'wpi-renewal' ), true )
+                        && in_array( $status_transition['to'], array( 'wpi-cancelled', 'wpi-pending', 'wpi-failed', 'wpi-refunded', 'wpi-onhold' ), true )
+                    ) {
+                        do_action( 'getpaid_invoice_payment_status_reversed', $this, $status_transition );
+                    }
+                } else {
+                    /* translators: %s: new invoice status */
+                    $transition_note = sprintf( __( 'Status set to %s.', 'invoicing' ), wpinv_status_nicename( $status_transition['to'] ) );
+
+                    // Note the transition occurred.
+                    $this->add_note( trim( $status_transition['note'] . ' ' . $transition_note ), 0, $status_transition['manual'] );
+
+                }
+            } catch ( Exception $e ) {
+                $this->add_note( __( 'Error during status transition.', 'invoicing' ) . ' ' . $e->getMessage() );
+            }
+        }
+    }
 
-	/**
-	 * Updates an invoice status.
-	 */
-	public function update_status( $new_status = false, $note = '', $manual = false ) {
+    /**
+     * Updates an invoice status.
+     */
+    public function update_status( $new_status = false, $note = '', $manual = false ) {
 
-		// Fires before updating a status.
-		do_action( 'wpinv_before_invoice_status_change', $this->get_id(), $new_status, $this->get_status( 'edit' ) );
+        // Fires before updating a status.
+        do_action( 'wpinv_before_invoice_status_change', $this->get_id(), $new_status, $this->get_status( 'edit' ) );
 
-		// Update the status.
-		$this->set_status( $new_status, $note, $manual );
+        // Update the status.
+        $this->set_status( $new_status, $note, $manual );
 
-		// Save the order.
-		return $this->save();
+        // Save the order.
+        return $this->save();
 
-	}
+    }
 
-	/**
-	 * @deprecated
-	 */
-	public function refresh_item_ids() {
+    /**
+     * @deprecated
+     */
+    public function refresh_item_ids() {
         $item_ids = implode( ',', array_unique( array_keys( $this->get_items() ) ) );
         update_post_meta( $this->get_id(), '_wpinv_item_ids', $item_ids );
-	}
+    }
 
-	/**
-	 * @deprecated
-	 */
-	public function update_items( $temp = false ) {
+    /**
+     * @deprecated
+     */
+    public function update_items( $temp = false ) {
 
-		$this->set_items( $this->get_items() );
+        $this->set_items( $this->get_items() );
 
-		if ( ! $temp ) {
-			$this->save();
-		}
+        if ( ! $temp ) {
+            $this->save();
+        }
 
         return $this;
-	}
+    }
 
-	/**
-	 * @deprecated
-	 */
+    /**
+     * @deprecated
+     */
     public function validate_discount() {
 
         $discount_code = $this->get_discount_code();
@@ -3668,97 +3668,97 @@ 
 
     }
 
-	/**
-	 * Refunds an invoice.
-	 */
+    /**
+     * Refunds an invoice.
+     */
     public function refund() {
-		$this->set_status( 'wpi-refunded' );
+        $this->set_status( 'wpi-refunded' );
         $this->save();
-	}
+    }
 
-	/**
-	 * Marks an invoice as paid.
-	 * 
-	 * @param string $transaction_id
-	 */
+    /**
+     * Marks an invoice as paid.
+     * 
+     * @param string $transaction_id
+     */
     public function mark_paid( $transaction_id = null, $note = '' ) {
 
-		// Set the transaction id.
-		if ( empty( $transaction_id ) ) {
-			$transaction_id = $this->generate_key('trans_');
-		}
+        // Set the transaction id.
+        if ( empty( $transaction_id ) ) {
+            $transaction_id = $this->generate_key('trans_');
+        }
 
-		if ( ! $this->get_transaction_id() ) {
-			$this->set_transaction_id( $transaction_id );
-		}
+        if ( ! $this->get_transaction_id() ) {
+            $this->set_transaction_id( $transaction_id );
+        }
 
-		if ( $this->is_paid() && 'wpi-processing' != $this->get_status() ) {
-			return $this->save();
-		}
+        if ( $this->is_paid() && 'wpi-processing' != $this->get_status() ) {
+            return $this->save();
+        }
 
-		// Set the completed date.
-		$this->set_date_completed( current_time( 'mysql' ) );
+        // Set the completed date.
+        $this->set_date_completed( current_time( 'mysql' ) );
 
-		// Set the new status.
-		if ( $this->is_renewal() ) {
+        // Set the new status.
+        if ( $this->is_renewal() ) {
 
-			$_note = sprintf(
-				__( 'Renewed via %s', 'invoicing' ),
-				$this->get_gateway_title() . empty( $note ) ? '' : " ($note)"
-			);
+            $_note = sprintf(
+                __( 'Renewed via %s', 'invoicing' ),
+                $this->get_gateway_title() . empty( $note ) ? '' : " ($note)"
+            );
 
-			if ( 'none' == $this->get_gateway() ) {
-				$_note = $note;
-			}
+            if ( 'none' == $this->get_gateway() ) {
+                $_note = $note;
+            }
 
-			$this->set_status( 'wpi-renewal', $_note );
+            $this->set_status( 'wpi-renewal', $_note );
 
-		} else {
+        } else {
 
-			$_note = sprintf(
-				__( 'Paid via %s', 'invoicing' ),
-				$this->get_gateway_title() . empty( $note ) ? '' : " ($note)"
-			);
+            $_note = sprintf(
+                __( 'Paid via %s', 'invoicing' ),
+                $this->get_gateway_title() . empty( $note ) ? '' : " ($note)"
+            );
 
-			if ( 'none' == $this->get_gateway() ) {
-				$_note = $note;
-			}
+            if ( 'none' == $this->get_gateway() ) {
+                $_note = $note;
+            }
 
-			$this->set_status( 'publish',$_note );
+            $this->set_status( 'publish',$_note );
 
-		}
+        }
 
-		// Set checkout mode.
-		$mode = wpinv_is_test_mode( $this->get_gateway() ) ? 'test' : 'live';
-		$this->set_mode( $mode );
+        // Set checkout mode.
+        $mode = wpinv_is_test_mode( $this->get_gateway() ) ? 'test' : 'live';
+        $this->set_mode( $mode );
 
-		// Save the invoice.
+        // Save the invoice.
         $this->save();
-	}
-
-
-	/**
-	 * Save data to the database.
-	 *
-	 * @since 1.0.19
-	 * @return int invoice ID
-	 */
-	public function save() {
-		$this->maybe_set_date_paid();
-		$this->maybe_set_key();
-		parent::save();
-		$this->clear_cache();
-		$this->status_transition();
-		return $this->get_id();
-	}
-
-	/**
+    }
+
+
+    /**
+     * Save data to the database.
+     *
+     * @since 1.0.19
+     * @return int invoice ID
+     */
+    public function save() {
+        $this->maybe_set_date_paid();
+        $this->maybe_set_key();
+        parent::save();
+        $this->clear_cache();
+        $this->status_transition();
+        return $this->get_id();
+    }
+
+    /**
      * Clears the subscription's cache.
      */
     public function clear_cache() {
-		wp_cache_delete( $this->get_key(), 'getpaid_invoice_keys_to_invoice_ids' );
-		wp_cache_delete( $this->get_number(), 'getpaid_invoice_numbers_to_invoice_ids' );
-		wp_cache_delete( $this->get_transaction_id(), 'getpaid_invoice_transaction_ids_to_invoice_ids' );
-	}
+        wp_cache_delete( $this->get_key(), 'getpaid_invoice_keys_to_invoice_ids' );
+        wp_cache_delete( $this->get_number(), 'getpaid_invoice_numbers_to_invoice_ids' );
+        wp_cache_delete( $this->get_transaction_id(), 'getpaid_invoice_transaction_ids_to_invoice_ids' );
+    }
 
 }

Spacing +745 added lines, -745 removed lines

@@ -6,7 +6,7 @@ 
  * @package Invoicing
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * Invoice class.
@@ -135,40 +135,40 @@ 
 	 *
 	 * @param  int|string|object|WPInv_Invoice|WPInv_Legacy_Invoice|WP_Post $invoice Invoice id, key, transaction id, number or object to read.
 	 */
-    public function __construct( $invoice = false ) {
+    public function __construct($invoice = false) {
 
-        parent::__construct( $invoice );
+        parent::__construct($invoice);
 
-		if ( ! empty( $invoice ) && is_numeric( $invoice ) && getpaid_is_invoice_post_type( get_post_type( $invoice ) ) ) {
-			$this->set_id( $invoice );
-		} elseif ( $invoice instanceof self ) {
-			$this->set_id( $invoice->get_id() );
-		} elseif ( ! empty( $invoice->ID ) ) {
-			$this->set_id( $invoice->ID );
-		} elseif ( is_array( $invoice ) ) {
-			$this->set_props( $invoice );
+		if (!empty($invoice) && is_numeric($invoice) && getpaid_is_invoice_post_type(get_post_type($invoice))) {
+			$this->set_id($invoice);
+		} elseif ($invoice instanceof self) {
+			$this->set_id($invoice->get_id());
+		} elseif (!empty($invoice->ID)) {
+			$this->set_id($invoice->ID);
+		} elseif (is_array($invoice)) {
+			$this->set_props($invoice);
 
-			if ( isset( $invoice['ID'] ) ) {
-				$this->set_id( $invoice['ID'] );
+			if (isset($invoice['ID'])) {
+				$this->set_id($invoice['ID']);
 			}
 
-		} elseif ( is_scalar( $invoice ) && $invoice_id = self::get_invoice_id_by_field( $invoice, 'key' ) ) {
-			$this->set_id( $invoice_id );
-		} elseif ( is_scalar( $invoice ) && $invoice_id = self::get_invoice_id_by_field( $invoice, 'number' ) ) {
-			$this->set_id( $invoice_id );
-		} elseif ( is_scalar( $invoice ) && $invoice_id = self::get_invoice_id_by_field( $invoice, 'transaction_id' ) ) {
-			$this->set_id( $invoice_id );
-		}else {
-			$this->set_object_read( true );
+		} elseif (is_scalar($invoice) && $invoice_id = self::get_invoice_id_by_field($invoice, 'key')) {
+			$this->set_id($invoice_id);
+		} elseif (is_scalar($invoice) && $invoice_id = self::get_invoice_id_by_field($invoice, 'number')) {
+			$this->set_id($invoice_id);
+		} elseif (is_scalar($invoice) && $invoice_id = self::get_invoice_id_by_field($invoice, 'transaction_id')) {
+			$this->set_id($invoice_id);
+		} else {
+			$this->set_object_read(true);
 		}
 
         // Load the datastore.
-		$this->data_store = GetPaid_Data_Store::load( $this->data_store_name );
+		$this->data_store = GetPaid_Data_Store::load($this->data_store_name);
 
-		if ( $this->get_id() > 0 ) {
-            $this->post = get_post( $this->get_id() );
+		if ($this->get_id() > 0) {
+            $this->post = get_post($this->get_id());
             $this->ID   = $this->get_id();
-			$this->data_store->read( $this );
+			$this->data_store->read($this);
         }
 
     }
@@ -183,38 +183,38 @@ 
 	 * @since 1.0.15
 	 * @return int
 	 */
-	public static function get_invoice_id_by_field( $value, $field = 'key' ) {
+	public static function get_invoice_id_by_field($value, $field = 'key') {
         global $wpdb;
 
 		// Trim the value.
-		$value = trim( $value );
+		$value = trim($value);
 
-		if ( empty( $value ) ) {
+		if (empty($value)) {
 			return 0;
 		}
 
         // Valid fields.
-        $fields = array( 'key', 'number', 'transaction_id' );
+        $fields = array('key', 'number', 'transaction_id');
 
 		// Ensure a field has been passed.
-		if ( empty( $field ) || ! in_array( $field, $fields ) ) {
+		if (empty($field) || !in_array($field, $fields)) {
 			return 0;
 		}
 
 		// Maybe retrieve from the cache.
-		$invoice_id   = wp_cache_get( $value, "getpaid_invoice_{$field}s_to_invoice_ids" );
-		if ( false !== $invoice_id ) {
+		$invoice_id = wp_cache_get($value, "getpaid_invoice_{$field}s_to_invoice_ids");
+		if (false !== $invoice_id) {
 			return $invoice_id;
 		}
 
         // Fetch from the db.
         $table       = $wpdb->prefix . 'getpaid_invoices';
         $invoice_id  = (int) $wpdb->get_var(
-            $wpdb->prepare( "SELECT `post_id` FROM $table WHERE `$field`=%s LIMIT 1", $value )
+            $wpdb->prepare("SELECT `post_id` FROM $table WHERE `$field`=%s LIMIT 1", $value)
         );
 
 		// Update the cache with our data
-		wp_cache_set( $value, $invoice_id, "getpaid_invoice_{$field}s_to_invoice_ids" );
+		wp_cache_set($value, $invoice_id, "getpaid_invoice_{$field}s_to_invoice_ids");
 
 		return $invoice_id;
     }
@@ -222,8 +222,8 @@ 
     /**
      * Checks if an invoice key is set.
      */
-    public function _isset( $key ) {
-        return isset( $this->data[$key] ) || method_exists( $this, "get_$key" );
+    public function _isset($key) {
+        return isset($this->data[$key]) || method_exists($this, "get_$key");
     }
 
     /*
@@ -248,8 +248,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_parent_id( $context = 'view' ) {
-		return (int) $this->get_prop( 'parent_id', $context );
+	public function get_parent_id($context = 'view') {
+		return (int) $this->get_prop('parent_id', $context);
     }
 
     /**
@@ -259,7 +259,7 @@ 
 	 * @return WPInv_Invoice
 	 */
     public function get_parent_payment() {
-        return new WPInv_Invoice( $this->get_parent_id() );
+        return new WPInv_Invoice($this->get_parent_id());
     }
 
     /**
@@ -279,8 +279,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_status( $context = 'view' ) {
-		return $this->get_prop( 'status', $context );
+	public function get_status($context = 'view') {
+		return $this->get_prop('status', $context);
 	}
 	
 	/**
@@ -291,10 +291,10 @@ 
 	 */
 	public function get_all_statuses() {
 
-		$statuses = wpinv_get_invoice_statuses( true, true, $this );
+		$statuses = wpinv_get_invoice_statuses(true, true, $this);
 
 		// For backwards compatibility.
-		if ( $this->is_quote() && class_exists( 'Wpinv_Quotes_Shared' ) ) {
+		if ($this->is_quote() && class_exists('Wpinv_Quotes_Shared')) {
             $statuses = Wpinv_Quotes_Shared::wpinv_get_quote_statuses();
 		}
 
@@ -310,9 +310,9 @@ 
     public function get_status_nicename() {
 		$statuses = $this->get_all_statuses();
 
-        $status = isset( $statuses[ $this->get_status() ] ) ? $statuses[ $this->get_status() ] : $this->get_status();
+        $status = isset($statuses[$this->get_status()]) ? $statuses[$this->get_status()] : $this->get_status();
 
-        return apply_filters( 'wpinv_get_invoice_status_nicename', $status, $this );
+        return apply_filters('wpinv_get_invoice_status_nicename', $status, $this);
     }
 
 	/**
@@ -323,8 +323,8 @@ 
      */
     public function get_status_label_html() {
 
-		$status_label = sanitize_text_field( $this->get_status_nicename() );
-		$status       = sanitize_html_class( $this->get_status() );
+		$status_label = sanitize_text_field($this->get_status_nicename());
+		$status       = sanitize_html_class($this->get_status());
 
 		return "<span class='bsui'><span class='d-inline-block py-2 px-3 rounded getpaid-invoice-status-$status'>$status_label</span></span>";
 	}
@@ -336,23 +336,23 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_version( $context = 'view' ) {
-		return $this->get_prop( 'version', $context );
+	public function get_version($context = 'view') {
+		return $this->get_prop('version', $context);
 	}
 
 	/**
 	 * @deprecated
 	 */
-	public function get_invoice_date( $format = true ) {
-		$date      = getpaid_format_date( $this->get_date_completed() );
-		$date      = empty( $date ) ? $this->get_date_created() : $this->get_date_completed();
-		$formatted = getpaid_format_date( $date );
+	public function get_invoice_date($format = true) {
+		$date      = getpaid_format_date($this->get_date_completed());
+		$date      = empty($date) ? $this->get_date_created() : $this->get_date_completed();
+		$formatted = getpaid_format_date($date);
 
-		if ( $format ) {
+		if ($format) {
 			return $formatted;
 		}
 
-		return empty( $formatted ) ? '' : $date;
+		return empty($formatted) ? '' : $date;
 
     }
 
@@ -363,8 +363,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_date_created( $context = 'view' ) {
-		return $this->get_prop( 'date_created', $context );
+	public function get_date_created($context = 'view') {
+		return $this->get_prop('date_created', $context);
 	}
 	
 	/**
@@ -374,8 +374,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_created_date( $context = 'view' ) {
-		return $this->get_date_created( $context );
+	public function get_created_date($context = 'view') {
+		return $this->get_date_created($context);
     }
 
     /**
@@ -385,11 +385,11 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_date_created_gmt( $context = 'view' ) {
-        $date = $this->get_date_created( $context );
+	public function get_date_created_gmt($context = 'view') {
+        $date = $this->get_date_created($context);
 
-        if ( $date ) {
-            $date = get_gmt_from_date( $date );
+        if ($date) {
+            $date = get_gmt_from_date($date);
         }
 		return $date;
     }
@@ -401,8 +401,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_date_modified( $context = 'view' ) {
-		return $this->get_prop( 'date_modified', $context );
+	public function get_date_modified($context = 'view') {
+		return $this->get_prop('date_modified', $context);
 	}
 
 	/**
@@ -412,8 +412,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_modified_date( $context = 'view' ) {
-		return $this->get_date_modified( $context );
+	public function get_modified_date($context = 'view') {
+		return $this->get_date_modified($context);
     }
 
     /**
@@ -423,11 +423,11 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_date_modified_gmt( $context = 'view' ) {
-        $date = $this->get_date_modified( $context );
+	public function get_date_modified_gmt($context = 'view') {
+        $date = $this->get_date_modified($context);
 
-        if ( $date ) {
-            $date = get_gmt_from_date( $date );
+        if ($date) {
+            $date = get_gmt_from_date($date);
         }
 		return $date;
     }
@@ -439,8 +439,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_due_date( $context = 'view' ) {
-		return $this->get_prop( 'due_date', $context );
+	public function get_due_date($context = 'view') {
+		return $this->get_prop('due_date', $context);
     }
 
     /**
@@ -450,8 +450,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_date_due( $context = 'view' ) {
-		return $this->get_due_date( $context );
+	public function get_date_due($context = 'view') {
+		return $this->get_due_date($context);
     }
 
     /**
@@ -461,11 +461,11 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_due_date_gmt( $context = 'view' ) {
-        $date = $this->get_due_date( $context );
+	public function get_due_date_gmt($context = 'view') {
+        $date = $this->get_due_date($context);
 
-        if ( $date ) {
-            $date = get_gmt_from_date( $date );
+        if ($date) {
+            $date = get_gmt_from_date($date);
         }
 		return $date;
     }
@@ -477,8 +477,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_gmt_date_due( $context = 'view' ) {
-		return $this->get_due_date_gmt( $context );
+	public function get_gmt_date_due($context = 'view') {
+		return $this->get_due_date_gmt($context);
     }
 
     /**
@@ -488,8 +488,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_completed_date( $context = 'view' ) {
-		return $this->get_prop( 'completed_date', $context );
+	public function get_completed_date($context = 'view') {
+		return $this->get_prop('completed_date', $context);
     }
 
     /**
@@ -499,8 +499,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_date_completed( $context = 'view' ) {
-		return $this->get_completed_date( $context );
+	public function get_date_completed($context = 'view') {
+		return $this->get_completed_date($context);
     }
 
     /**
@@ -510,11 +510,11 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_completed_date_gmt( $context = 'view' ) {
-        $date = $this->get_completed_date( $context );
+	public function get_completed_date_gmt($context = 'view') {
+        $date = $this->get_completed_date($context);
 
-        if ( $date ) {
-            $date = get_gmt_from_date( $date );
+        if ($date) {
+            $date = get_gmt_from_date($date);
         }
 		return $date;
     }
@@ -526,8 +526,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_gmt_completed_date( $context = 'view' ) {
-		return $this->get_completed_date_gmt( $context );
+	public function get_gmt_completed_date($context = 'view') {
+		return $this->get_completed_date_gmt($context);
     }
 
     /**
@@ -537,12 +537,12 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_number( $context = 'view' ) {
-		$number = $this->get_prop( 'number', $context );
+	public function get_number($context = 'view') {
+		$number = $this->get_prop('number', $context);
 
-		if ( empty( $number ) ) {
+		if (empty($number)) {
 			$number = $this->generate_number();
-			$this->set_number( $this->generate_number() );
+			$this->set_number($this->generate_number());
 		}
 
 		return $number;
@@ -556,8 +556,8 @@ 
 	public function maybe_set_number() {
         $number = $this->get_number();
 
-        if ( empty( $number ) || $this->get_id() == $number ) {
-			$this->set_number( $this->generate_number() );
+        if (empty($number) || $this->get_id() == $number) {
+			$this->set_number($this->generate_number());
         }
 
 	}
@@ -569,8 +569,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_key( $context = 'view' ) {
-        return $this->get_prop( 'key', $context );
+	public function get_key($context = 'view') {
+        return $this->get_prop('key', $context);
 	}
 
 	/**
@@ -581,9 +581,9 @@ 
 	public function maybe_set_key() {
         $key = $this->get_key();
 
-        if ( empty( $key ) ) {
-            $key = $this->generate_key( $this->get_type() . '_' );
-            $this->set_key( $key );
+        if (empty($key)) {
+            $key = $this->generate_key($this->get_type() . '_');
+            $this->set_key($key);
         }
 
     }
@@ -595,15 +595,15 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_type( $context = 'view' ) {
-        return $this->get_prop( 'type', $context );
+	public function get_type($context = 'view') {
+        return $this->get_prop('type', $context);
 	}
 
 	/**
 	 * @deprecated
 	 */
 	public function get_invoice_quote_type() {
-        ucfirst( $this->get_type() );
+        ucfirst($this->get_type());
     }
 
     /**
@@ -613,8 +613,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_post_type( $context = 'view' ) {
-        return $this->get_prop( 'post_type', $context );
+	public function get_post_type($context = 'view') {
+        return $this->get_prop('post_type', $context);
     }
 
     /**
@@ -624,8 +624,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_mode( $context = 'view' ) {
-        return $this->get_prop( 'mode', $context );
+	public function get_mode($context = 'view') {
+        return $this->get_prop('mode', $context);
     }
 
     /**
@@ -635,13 +635,13 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_path( $context = 'view' ) {
-        $path   = $this->get_prop( 'path', $context );
-		$prefix = wpinv_post_name_prefix( $this->get_post_type() );
+	public function get_path($context = 'view') {
+        $path = $this->get_prop('path', $context);
+		$prefix = wpinv_post_name_prefix($this->get_post_type());
 
-		if ( 0 !== strpos( $path, $prefix ) ) {
-			$path = sanitize_title(  $prefix . $this->get_id()  );
-			$this->set_path( $path );
+		if (0 !== strpos($path, $prefix)) {
+			$path = sanitize_title($prefix . $this->get_id());
+			$this->set_path($path);
 		}
 
 		return $path;
@@ -654,8 +654,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_name( $context = 'view' ) {
-        return $this->get_prop( 'title', $context );
+	public function get_name($context = 'view') {
+        return $this->get_prop('title', $context);
     }
 
     /**
@@ -665,8 +665,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_title( $context = 'view' ) {
-		return $this->get_name( $context );
+	public function get_title($context = 'view') {
+		return $this->get_name($context);
     }
 
     /**
@@ -676,8 +676,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_description( $context = 'view' ) {
-		return $this->get_prop( 'description', $context );
+	public function get_description($context = 'view') {
+		return $this->get_prop('description', $context);
     }
 
     /**
@@ -687,8 +687,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_excerpt( $context = 'view' ) {
-		return $this->get_description( $context );
+	public function get_excerpt($context = 'view') {
+		return $this->get_description($context);
     }
 
     /**
@@ -698,8 +698,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_summary( $context = 'view' ) {
-		return $this->get_description( $context );
+	public function get_summary($context = 'view') {
+		return $this->get_description($context);
     }
 
     /**
@@ -709,25 +709,25 @@ 
      * @param  string $context View or edit context.
 	 * @return array
 	 */
-    public function get_user_info( $context = 'view' ) {
+    public function get_user_info($context = 'view') {
 
         $user_info = array(
-            'user_id'    => $this->get_user_id( $context ),
-            'email'      => $this->get_email( $context ),
-            'first_name' => $this->get_first_name( $context ),
-            'last_name'  => $this->get_last_name( $context ),
-            'address'    => $this->get_address( $context ),
-            'phone'      => $this->get_phone( $context ),
-            'city'       => $this->get_city( $context ),
-            'country'    => $this->get_country( $context ),
-            'state'      => $this->get_state( $context ),
-            'zip'        => $this->get_zip( $context ),
-            'company'    => $this->get_company( $context ),
-            'vat_number' => $this->get_vat_number( $context ),
-            'discount'   => $this->get_discount_code( $context ),
+            'user_id'    => $this->get_user_id($context),
+            'email'      => $this->get_email($context),
+            'first_name' => $this->get_first_name($context),
+            'last_name'  => $this->get_last_name($context),
+            'address'    => $this->get_address($context),
+            'phone'      => $this->get_phone($context),
+            'city'       => $this->get_city($context),
+            'country'    => $this->get_country($context),
+            'state'      => $this->get_state($context),
+            'zip'        => $this->get_zip($context),
+            'company'    => $this->get_company($context),
+            'vat_number' => $this->get_vat_number($context),
+            'discount'   => $this->get_discount_code($context),
 		);
 
-		return apply_filters( 'wpinv_user_info', $user_info, $this->get_id(), $this );
+		return apply_filters('wpinv_user_info', $user_info, $this->get_id(), $this);
 
     }
 
@@ -738,8 +738,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_author( $context = 'view' ) {
-		return (int) $this->get_prop( 'author', $context );
+	public function get_author($context = 'view') {
+		return (int) $this->get_prop('author', $context);
     }
 
     /**
@@ -749,8 +749,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_user_id( $context = 'view' ) {
-		return $this->get_author( $context );
+	public function get_user_id($context = 'view') {
+		return $this->get_author($context);
     }
 
      /**
@@ -760,8 +760,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_customer_id( $context = 'view' ) {
-		return $this->get_author( $context );
+	public function get_customer_id($context = 'view') {
+		return $this->get_author($context);
     }
 
     /**
@@ -771,8 +771,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_ip( $context = 'view' ) {
-		return $this->get_prop( 'user_ip', $context );
+	public function get_ip($context = 'view') {
+		return $this->get_prop('user_ip', $context);
     }
 
     /**
@@ -782,8 +782,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_ip( $context = 'view' ) {
-		return $this->get_ip( $context );
+	public function get_user_ip($context = 'view') {
+		return $this->get_ip($context);
     }
 
      /**
@@ -793,8 +793,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_ip( $context = 'view' ) {
-		return $this->get_ip( $context );
+	public function get_customer_ip($context = 'view') {
+		return $this->get_ip($context);
     }
 
     /**
@@ -804,8 +804,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_first_name( $context = 'view' ) {
-		return $this->get_prop( 'first_name', $context );
+	public function get_first_name($context = 'view') {
+		return $this->get_prop('first_name', $context);
     }
 
     /**
@@ -815,8 +815,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_user_first_name( $context = 'view' ) {
-		return $this->get_first_name( $context );
+	public function get_user_first_name($context = 'view') {
+		return $this->get_first_name($context);
     }
 
      /**
@@ -826,8 +826,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_customer_first_name( $context = 'view' ) {
-		return $this->get_first_name( $context );
+	public function get_customer_first_name($context = 'view') {
+		return $this->get_first_name($context);
     }
 
     /**
@@ -837,8 +837,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_last_name( $context = 'view' ) {
-		return $this->get_prop( 'last_name', $context );
+	public function get_last_name($context = 'view') {
+		return $this->get_prop('last_name', $context);
     }
 
     /**
@@ -848,8 +848,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_user_last_name( $context = 'view' ) {
-		return $this->get_last_name( $context );
+	public function get_user_last_name($context = 'view') {
+		return $this->get_last_name($context);
     }
 
     /**
@@ -859,8 +859,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_customer_last_name( $context = 'view' ) {
-		return $this->get_last_name( $context );
+	public function get_customer_last_name($context = 'view') {
+		return $this->get_last_name($context);
     }
 
     /**
@@ -870,8 +870,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_full_name( $context = 'view' ) {
-		return trim( $this->get_first_name( $context ) . ' ' . $this->get_last_name( $context ) );
+	public function get_full_name($context = 'view') {
+		return trim($this->get_first_name($context) . ' ' . $this->get_last_name($context));
     }
 
     /**
@@ -881,8 +881,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_user_full_name( $context = 'view' ) {
-		return $this->get_full_name( $context );
+	public function get_user_full_name($context = 'view') {
+		return $this->get_full_name($context);
     }
 
     /**
@@ -892,8 +892,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_customer_full_name( $context = 'view' ) {
-		return $this->get_full_name( $context );
+	public function get_customer_full_name($context = 'view') {
+		return $this->get_full_name($context);
     }
 
     /**
@@ -903,8 +903,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_phone( $context = 'view' ) {
-		return $this->get_prop( 'phone', $context );
+	public function get_phone($context = 'view') {
+		return $this->get_prop('phone', $context);
     }
 
     /**
@@ -914,8 +914,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_phone_number( $context = 'view' ) {
-		return $this->get_phone( $context );
+	public function get_phone_number($context = 'view') {
+		return $this->get_phone($context);
     }
 
     /**
@@ -925,8 +925,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_user_phone( $context = 'view' ) {
-		return $this->get_phone( $context );
+	public function get_user_phone($context = 'view') {
+		return $this->get_phone($context);
     }
 
     /**
@@ -936,8 +936,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_customer_phone( $context = 'view' ) {
-		return $this->get_phone( $context );
+	public function get_customer_phone($context = 'view') {
+		return $this->get_phone($context);
     }
 
     /**
@@ -947,8 +947,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_email( $context = 'view' ) {
-		return $this->get_prop( 'email', $context );
+	public function get_email($context = 'view') {
+		return $this->get_prop('email', $context);
     }
 
     /**
@@ -958,8 +958,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_email_address( $context = 'view' ) {
-		return $this->get_email( $context );
+	public function get_email_address($context = 'view') {
+		return $this->get_email($context);
     }
 
     /**
@@ -969,8 +969,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_user_email( $context = 'view' ) {
-		return $this->get_email( $context );
+	public function get_user_email($context = 'view') {
+		return $this->get_email($context);
     }
 
     /**
@@ -980,8 +980,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_customer_email( $context = 'view' ) {
-		return $this->get_email( $context );
+	public function get_customer_email($context = 'view') {
+		return $this->get_email($context);
     }
 
     /**
@@ -991,9 +991,9 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_country( $context = 'view' ) {
-		$country = $this->get_prop( 'country', $context );
-		return empty( $country ) ? wpinv_get_default_country() : $country;
+	public function get_country($context = 'view') {
+		$country = $this->get_prop('country', $context);
+		return empty($country) ? wpinv_get_default_country() : $country;
     }
 
     /**
@@ -1003,8 +1003,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_user_country( $context = 'view' ) {
-		return $this->get_country( $context );
+	public function get_user_country($context = 'view') {
+		return $this->get_country($context);
     }
 
     /**
@@ -1014,8 +1014,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_customer_country( $context = 'view' ) {
-		return $this->get_country( $context );
+	public function get_customer_country($context = 'view') {
+		return $this->get_country($context);
     }
 
     /**
@@ -1025,9 +1025,9 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_state( $context = 'view' ) {
-		$state = $this->get_prop( 'state', $context );
-		return empty( $state ) ? wpinv_get_default_state() : $state;
+	public function get_state($context = 'view') {
+		$state = $this->get_prop('state', $context);
+		return empty($state) ? wpinv_get_default_state() : $state;
     }
 
     /**
@@ -1037,8 +1037,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_user_state( $context = 'view' ) {
-		return $this->get_state( $context );
+	public function get_user_state($context = 'view') {
+		return $this->get_state($context);
     }
 
     /**
@@ -1048,8 +1048,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_customer_state( $context = 'view' ) {
-		return $this->get_state( $context );
+	public function get_customer_state($context = 'view') {
+		return $this->get_state($context);
     }
 
     /**
@@ -1059,8 +1059,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_city( $context = 'view' ) {
-		return $this->get_prop( 'city', $context );
+	public function get_city($context = 'view') {
+		return $this->get_prop('city', $context);
     }
 
     /**
@@ -1070,8 +1070,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_city( $context = 'view' ) {
-		return $this->get_city( $context );
+	public function get_user_city($context = 'view') {
+		return $this->get_city($context);
     }
 
     /**
@@ -1081,8 +1081,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_city( $context = 'view' ) {
-		return $this->get_city( $context );
+	public function get_customer_city($context = 'view') {
+		return $this->get_city($context);
     }
 
     /**
@@ -1092,8 +1092,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_zip( $context = 'view' ) {
-		return $this->get_prop( 'zip', $context );
+	public function get_zip($context = 'view') {
+		return $this->get_prop('zip', $context);
     }
 
     /**
@@ -1103,8 +1103,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_zip( $context = 'view' ) {
-		return $this->get_zip( $context );
+	public function get_user_zip($context = 'view') {
+		return $this->get_zip($context);
     }
 
     /**
@@ -1114,8 +1114,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_zip( $context = 'view' ) {
-		return $this->get_zip( $context );
+	public function get_customer_zip($context = 'view') {
+		return $this->get_zip($context);
     }
 
     /**
@@ -1125,8 +1125,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_company( $context = 'view' ) {
-		return $this->get_prop( 'company', $context );
+	public function get_company($context = 'view') {
+		return $this->get_prop('company', $context);
     }
 
     /**
@@ -1136,8 +1136,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_company( $context = 'view' ) {
-		return $this->get_company( $context );
+	public function get_user_company($context = 'view') {
+		return $this->get_company($context);
     }
 
     /**
@@ -1147,8 +1147,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_company( $context = 'view' ) {
-		return $this->get_company( $context );
+	public function get_customer_company($context = 'view') {
+		return $this->get_company($context);
     }
 
     /**
@@ -1158,8 +1158,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_vat_number( $context = 'view' ) {
-		return $this->get_prop( 'vat_number', $context );
+	public function get_vat_number($context = 'view') {
+		return $this->get_prop('vat_number', $context);
     }
 
     /**
@@ -1169,8 +1169,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_vat_number( $context = 'view' ) {
-		return $this->get_vat_number( $context );
+	public function get_user_vat_number($context = 'view') {
+		return $this->get_vat_number($context);
     }
 
     /**
@@ -1180,8 +1180,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_vat_number( $context = 'view' ) {
-		return $this->get_vat_number( $context );
+	public function get_customer_vat_number($context = 'view') {
+		return $this->get_vat_number($context);
     }
 
     /**
@@ -1191,8 +1191,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_vat_rate( $context = 'view' ) {
-		return $this->get_prop( 'vat_rate', $context );
+	public function get_vat_rate($context = 'view') {
+		return $this->get_prop('vat_rate', $context);
     }
 
     /**
@@ -1202,8 +1202,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_vat_rate( $context = 'view' ) {
-		return $this->get_vat_rate( $context );
+	public function get_user_vat_rate($context = 'view') {
+		return $this->get_vat_rate($context);
     }
 
     /**
@@ -1213,8 +1213,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_vat_rate( $context = 'view' ) {
-		return $this->get_vat_rate( $context );
+	public function get_customer_vat_rate($context = 'view') {
+		return $this->get_vat_rate($context);
     }
 
     /**
@@ -1224,8 +1224,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_address( $context = 'view' ) {
-		return $this->get_prop( 'address', $context );
+	public function get_address($context = 'view') {
+		return $this->get_prop('address', $context);
     }
 
     /**
@@ -1235,8 +1235,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_address( $context = 'view' ) {
-		return $this->get_address( $context );
+	public function get_user_address($context = 'view') {
+		return $this->get_address($context);
     }
 
     /**
@@ -1246,8 +1246,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_address( $context = 'view' ) {
-		return $this->get_address( $context );
+	public function get_customer_address($context = 'view') {
+		return $this->get_address($context);
     }
 
     /**
@@ -1257,8 +1257,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return bool
 	 */
-	public function get_is_viewed( $context = 'view' ) {
-		return (bool) $this->get_prop( 'is_viewed', $context );
+	public function get_is_viewed($context = 'view') {
+		return (bool) $this->get_prop('is_viewed', $context);
 	}
 
 	/**
@@ -1268,8 +1268,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return bool
 	 */
-	public function get_email_cc( $context = 'view' ) {
-		return $this->get_prop( 'email_cc', $context );
+	public function get_email_cc($context = 'view') {
+		return $this->get_prop('email_cc', $context);
 	}
 
 	/**
@@ -1279,8 +1279,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return bool
 	 */
-	public function get_template( $context = 'view' ) {
-		return $this->get_prop( 'template', $context );
+	public function get_template($context = 'view') {
+		return $this->get_prop('template', $context);
 	}
 
 	/**
@@ -1290,8 +1290,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return bool
 	 */
-	public function get_created_via( $context = 'view' ) {
-		return $this->get_prop( 'created_via', $context );
+	public function get_created_via($context = 'view') {
+		return $this->get_prop('created_via', $context);
 	}
 
 	/**
@@ -1301,8 +1301,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return bool
 	 */
-	public function get_address_confirmed( $context = 'view' ) {
-		return (bool) $this->get_prop( 'address_confirmed', $context );
+	public function get_address_confirmed($context = 'view') {
+		return (bool) $this->get_prop('address_confirmed', $context);
     }
 
     /**
@@ -1312,8 +1312,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return bool
 	 */
-	public function get_user_address_confirmed( $context = 'view' ) {
-		return $this->get_address_confirmed( $context );
+	public function get_user_address_confirmed($context = 'view') {
+		return $this->get_address_confirmed($context);
     }
 
     /**
@@ -1323,8 +1323,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return bool
 	 */
-	public function get_customer_address_confirmed( $context = 'view' ) {
-		return $this->get_address_confirmed( $context );
+	public function get_customer_address_confirmed($context = 'view') {
+		return $this->get_address_confirmed($context);
     }
 
     /**
@@ -1334,12 +1334,12 @@ 
 	 * @param  string $context View or edit context.
 	 * @return float
 	 */
-	public function get_subtotal( $context = 'view' ) {
-        $subtotal = (float) $this->get_prop( 'subtotal', $context );
+	public function get_subtotal($context = 'view') {
+        $subtotal = (float) $this->get_prop('subtotal', $context);
 
         // Backwards compatibility.
-        if ( is_bool( $context ) && $context ) {
-            return wpinv_price( wpinv_format_amount( $subtotal ), $this->get_currency() );
+        if (is_bool($context) && $context) {
+            return wpinv_price(wpinv_format_amount($subtotal), $this->get_currency());
         }
 
         return $subtotal;
@@ -1352,8 +1352,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return float
 	 */
-	public function get_total_discount( $context = 'view' ) {
-		return (float) $this->get_prop( 'total_discount', $context );
+	public function get_total_discount($context = 'view') {
+		return (float) $this->get_prop('total_discount', $context);
     }
 
     /**
@@ -1363,18 +1363,18 @@ 
 	 * @param  string $context View or edit context.
 	 * @return float
 	 */
-	public function get_total_tax( $context = 'view' ) {
-		return (float) $this->get_prop( 'total_tax', $context );
+	public function get_total_tax($context = 'view') {
+		return (float) $this->get_prop('total_tax', $context);
 	}
 
 	/**
 	 * @deprecated
 	 */
-	public function get_final_tax( $currency = false ) {
+	public function get_final_tax($currency = false) {
 		$tax = $this->get_total_tax();
 
-        if ( $currency ) {
-			return wpinv_price( wpinv_format_amount( $tax, NULL, false ), $this->get_currency() );
+        if ($currency) {
+			return wpinv_price(wpinv_format_amount($tax, NULL, false), $this->get_currency());
         }
 
         return $tax;
@@ -1387,8 +1387,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return float
 	 */
-	public function get_total_fees( $context = 'view' ) {
-		return (float) $this->get_prop( 'total_fees', $context );
+	public function get_total_fees($context = 'view') {
+		return (float) $this->get_prop('total_fees', $context);
     }
 
     /**
@@ -1398,8 +1398,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return float
 	 */
-	public function get_fees_total( $context = 'view' ) {
-		return $this->get_total_fees( $context );
+	public function get_fees_total($context = 'view') {
+		return $this->get_total_fees($context);
     }
 
     /**
@@ -1410,7 +1410,7 @@ 
 	 */
 	public function get_total() {
 		$total = $this->is_renewal() ? $this->get_recurring_total() : $this->get_initial_total();
-		return apply_filters( 'getpaid_get_invoice_total_amount', $total, $this  );
+		return apply_filters('getpaid_get_invoice_total_amount', $total, $this);
 	}
 	
 	/**
@@ -1432,7 +1432,7 @@ 
 	 */
     public function get_initial_total() {
 
-		if ( empty( $this->totals ) ) {
+		if (empty($this->totals)) {
 			$this->recalculate_total();
 		}
 
@@ -1442,11 +1442,11 @@ 
 		$subtotal = $this->totals['subtotal']['initial'];
 		$total    = $tax + $fee - $discount + $subtotal;
 
-		if ( 0 > $total ) {
+		if (0 > $total) {
 			$total = 0;
 		}
 
-        return apply_filters( 'wpinv_get_initial_invoice_total', $total, $this );
+        return apply_filters('wpinv_get_initial_invoice_total', $total, $this);
 	}
 
 	/**
@@ -1458,7 +1458,7 @@ 
 	 */
     public function get_recurring_total() {
 
-		if ( empty( $this->totals ) ) {
+		if (empty($this->totals)) {
 			$this->recalculate_total();
 		}
 
@@ -1468,11 +1468,11 @@ 
 		$subtotal = $this->totals['subtotal']['recurring'];
 		$total    = $tax + $fee - $discount + $subtotal;
 
-		if ( 0 > $total ) {
+		if (0 > $total) {
 			$total = 0;
 		}
 
-        return apply_filters( 'wpinv_get_recurring_invoice_total', $total, $this );
+        return apply_filters('wpinv_get_recurring_invoice_total', $total, $this);
 	}
 
 	/**
@@ -1483,10 +1483,10 @@ 
 	 * @param string $currency Whether to include the currency.
      * @return float
 	 */
-    public function get_recurring_details( $field = '', $currency = false ) {
+    public function get_recurring_details($field = '', $currency = false) {
 
 		// Maybe recalculate totals.
-		if ( empty( $this->totals ) ) {
+		if (empty($this->totals)) {
 			$this->recalculate_total();
 		}
 
@@ -1506,8 +1506,8 @@ 
 			$currency
 		);
 
-        if ( isset( $data[$field] ) ) {
-            return ( $currency ? wpinv_price( $data[$field], $this->get_currency() ) : $data[$field] );
+        if (isset($data[$field])) {
+            return ($currency ? wpinv_price($data[$field], $this->get_currency()) : $data[$field]);
         }
 
         return $data;
@@ -1520,8 +1520,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return array
 	 */
-	public function get_fees( $context = 'view' ) {
-		return wpinv_parse_list( $this->get_prop( 'fees', $context ) );
+	public function get_fees($context = 'view') {
+		return wpinv_parse_list($this->get_prop('fees', $context));
     }
 
     /**
@@ -1531,8 +1531,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return array
 	 */
-	public function get_discounts( $context = 'view' ) {
-		return wpinv_parse_list( $this->get_prop( 'discounts', $context ) );
+	public function get_discounts($context = 'view') {
+		return wpinv_parse_list($this->get_prop('discounts', $context));
     }
 
     /**
@@ -1542,8 +1542,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return array
 	 */
-	public function get_taxes( $context = 'view' ) {
-		return wpinv_parse_list( $this->get_prop( 'taxes', $context ) );
+	public function get_taxes($context = 'view') {
+		return wpinv_parse_list($this->get_prop('taxes', $context));
     }
 
     /**
@@ -1553,8 +1553,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return GetPaid_Form_Item[]
 	 */
-	public function get_items( $context = 'view' ) {
-        return $this->get_prop( 'items', $context );
+	public function get_items($context = 'view') {
+        return $this->get_prop('items', $context);
     }
 
     /**
@@ -1564,8 +1564,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_payment_form( $context = 'view' ) {
-		return intval( $this->get_prop( 'payment_form', $context ) );
+	public function get_payment_form($context = 'view') {
+		return intval($this->get_prop('payment_form', $context));
     }
 
     /**
@@ -1575,8 +1575,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_submission_id( $context = 'view' ) {
-		return $this->get_prop( 'submission_id', $context );
+	public function get_submission_id($context = 'view') {
+		return $this->get_prop('submission_id', $context);
     }
 
     /**
@@ -1586,8 +1586,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_discount_code( $context = 'view' ) {
-		return $this->get_prop( 'discount_code', $context );
+	public function get_discount_code($context = 'view') {
+		return $this->get_prop('discount_code', $context);
     }
 
     /**
@@ -1597,8 +1597,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_gateway( $context = 'view' ) {
-		return $this->get_prop( 'gateway', $context );
+	public function get_gateway($context = 'view') {
+		return $this->get_prop('gateway', $context);
     }
 
     /**
@@ -1608,8 +1608,8 @@ 
 	 * @return string
 	 */
     public function get_gateway_title() {
-        $title =  wpinv_get_gateway_checkout_label( $this->get_gateway() );
-        return apply_filters( 'wpinv_gateway_title', $title, $this->get_id(), $this );
+        $title = wpinv_get_gateway_checkout_label($this->get_gateway());
+        return apply_filters('wpinv_gateway_title', $title, $this->get_id(), $this);
     }
 
     /**
@@ -1619,8 +1619,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_transaction_id( $context = 'view' ) {
-		return $this->get_prop( 'transaction_id', $context );
+	public function get_transaction_id($context = 'view') {
+		return $this->get_prop('transaction_id', $context);
     }
 
     /**
@@ -1630,9 +1630,9 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_currency( $context = 'view' ) {
-        $currency = $this->get_prop( 'currency', $context );
-        return empty( $currency ) ? wpinv_get_currency() : $currency;
+	public function get_currency($context = 'view') {
+        $currency = $this->get_prop('currency', $context);
+        return empty($currency) ? wpinv_get_currency() : $currency;
     }
 
     /**
@@ -1642,8 +1642,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return bool
 	 */
-	public function get_disable_taxes( $context = 'view' ) {
-        return (bool) $this->get_prop( 'disable_taxes', $context );
+	public function get_disable_taxes($context = 'view') {
+        return (bool) $this->get_prop('disable_taxes', $context);
     }
 
     /**
@@ -1653,8 +1653,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-    public function get_subscription_id( $context = 'view' ) {
-		return $this->is_renewal() ? $this->get_parent()->get_subscription_id( $context ) : $this->get_prop( 'subscription_id', $context );
+    public function get_subscription_id($context = 'view') {
+		return $this->is_renewal() ? $this->get_parent()->get_subscription_id($context) : $this->get_prop('subscription_id', $context);
 	}
 
 	/**
@@ -1664,12 +1664,12 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-    public function get_remote_subscription_id( $context = 'view' ) {
-        $subscription_id = $this->get_prop( 'remote_subscription_id', $context );
+    public function get_remote_subscription_id($context = 'view') {
+        $subscription_id = $this->get_prop('remote_subscription_id', $context);
 
-        if ( empty( $subscription_id ) && $this->is_renewal() ) {
+        if (empty($subscription_id) && $this->is_renewal()) {
             $parent = $this->get_parent();
-            return $parent->get_subscription_id( $context );
+            return $parent->get_subscription_id($context);
         }
 
         return $subscription_id;
@@ -1682,20 +1682,20 @@ 
 	 * @param  string $context View or edit context.
 	 * @return array
 	 */
-    public function get_payment_meta( $context = 'view' ) {
+    public function get_payment_meta($context = 'view') {
 
         return array(
-            'price'        => $this->get_total( $context ),
-            'date'         => $this->get_date_created( $context ),
-            'user_email'   => $this->get_email( $context ),
-            'invoice_key'  => $this->get_key( $context ),
-            'currency'     => $this->get_currency( $context ),
-            'items'        => $this->get_items( $context ),
-            'user_info'    => $this->get_user_info( $context ),
+            'price'        => $this->get_total($context),
+            'date'         => $this->get_date_created($context),
+            'user_email'   => $this->get_email($context),
+            'invoice_key'  => $this->get_key($context),
+            'currency'     => $this->get_currency($context),
+            'items'        => $this->get_items($context),
+            'user_info'    => $this->get_user_info($context),
             'cart_details' => $this->get_cart_details(),
-            'status'       => $this->get_status( $context ),
-            'fees'         => $this->get_fees( $context ),
-            'taxes'        => $this->get_taxes( $context ),
+            'status'       => $this->get_status($context),
+            'fees'         => $this->get_fees($context),
+            'taxes'        => $this->get_taxes($context),
         );
 
     }
@@ -1710,9 +1710,9 @@ 
         $items        = $this->get_items();
         $cart_details = array();
 
-        foreach ( $items as $item_id => $item ) {
+        foreach ($items as $item_id => $item) {
 			$item->invoice_id = $this->get_id();
-            $cart_details[]   = $item->prepare_data_for_saving();
+            $cart_details[] = $item->prepare_data_for_saving();
         }
 
         return $cart_details;
@@ -1723,11 +1723,11 @@ 
 	 *
 	 * @return null|GetPaid_Form_Item|int
 	 */
-	public function get_recurring( $object = false ) {
+	public function get_recurring($object = false) {
 
 		// Are we returning an object?
-        if ( $object ) {
-            return $this->get_item( $this->recurring_item );
+        if ($object) {
+            return $this->get_item($this->recurring_item);
         }
 
         return $this->recurring_item;
@@ -1742,15 +1742,15 @@ 
 	public function get_subscription_name() {
 
 		// Retrieve the recurring name
-        $item = $this->get_recurring( true );
+        $item = $this->get_recurring(true);
 
 		// Abort if it does not exist.
-        if ( empty( $item ) ) {
+        if (empty($item)) {
             return '';
         }
 
 		// Return the item name.
-        return apply_filters( 'wpinv_invoice_get_subscription_name', $item->get_name(), $this );
+        return apply_filters('wpinv_invoice_get_subscription_name', $item->get_name(), $this);
 	}
 
 	/**
@@ -1760,9 +1760,9 @@ 
 	 * @return string
 	 */
 	public function get_view_url() {
-        $invoice_url = get_permalink( $this->get_id() );
-		$invoice_url = add_query_arg( 'invoice_key', $this->get_key(), $invoice_url );
-        return apply_filters( 'wpinv_get_view_url', $invoice_url, $this );
+        $invoice_url = get_permalink($this->get_id());
+		$invoice_url = add_query_arg('invoice_key', $this->get_key(), $invoice_url);
+        return apply_filters('wpinv_get_view_url', $invoice_url, $this);
 	}
 
 	/**
@@ -1771,25 +1771,25 @@ 
 	 * @since 1.0.19
 	 * @return string
 	 */
-	public function get_checkout_payment_url( $deprecated = false, $secret = false ) {
+	public function get_checkout_payment_url($deprecated = false, $secret = false) {
 
 		// Retrieve the checkout url.
         $pay_url = wpinv_get_checkout_uri();
 
 		// Maybe force ssl.
-        if ( is_ssl() ) {
-            $pay_url = str_replace( 'http:', 'https:', $pay_url );
+        if (is_ssl()) {
+            $pay_url = str_replace('http:', 'https:', $pay_url);
         }
 
 		// Add the invoice key.
-		$pay_url = add_query_arg( 'invoice_key', $this->get_key(), $pay_url );
+		$pay_url = add_query_arg('invoice_key', $this->get_key(), $pay_url);
 
 		// (Maybe?) add a secret
-        if ( $secret ) {
-            $pay_url = add_query_arg( array( '_wpipay' => md5( $this->get_user_id() . '::' . $this->get_email() . '::' . $this->get_key() ) ), $pay_url );
+        if ($secret) {
+            $pay_url = add_query_arg(array('_wpipay' => md5($this->get_user_id() . '::' . $this->get_email() . '::' . $this->get_key())), $pay_url);
         }
 
-        return apply_filters( 'wpinv_get_checkout_payment_url', $pay_url, $this, $deprecated, $secret );
+        return apply_filters('wpinv_get_checkout_payment_url', $pay_url, $this, $deprecated, $secret);
 	}
 	
 	/**
@@ -1804,14 +1804,14 @@ 
         $receipt_url = wpinv_get_success_page_uri();
 
 		// Maybe force ssl.
-        if ( is_ssl() ) {
-            $receipt_url = str_replace( 'http:', 'https:', $receipt_url );
+        if (is_ssl()) {
+            $receipt_url = str_replace('http:', 'https:', $receipt_url);
         }
 
 		// Add the invoice key.
-		$receipt_url = add_query_arg( 'invoice_key', $this->get_key(), $receipt_url );
+		$receipt_url = add_query_arg('invoice_key', $this->get_key(), $receipt_url);
 
-        return apply_filters( 'getpaid_get_invoice_receipt_url', $receipt_url, $this );
+        return apply_filters('getpaid_get_invoice_receipt_url', $receipt_url, $this);
     }
 
     /**
@@ -1824,8 +1824,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return mixed Value of the given invoice property (if set).
 	 */
-	public function get( $key, $context = 'view' ) {
-        return $this->get_prop( $key, $context );
+	public function get($key, $context = 'view') {
+        return $this->get_prop($key, $context);
 	}
 
     /*
@@ -1848,11 +1848,11 @@ 
 	 * @param  mixed $value new value.
 	 * @return mixed Value of the given invoice property (if set).
 	 */
-	public function set( $key, $value ) {
+	public function set($key, $value) {
 
         $setter = "set_$key";
-        if ( is_callable( array( $this, $setter ) ) ) {
-            $this->{$setter}( $value );
+        if (is_callable(array($this, $setter))) {
+            $this->{$setter}($value);
         }
 
 	}
@@ -1866,47 +1866,47 @@ 
 	 * @param bool   $manual_update Is this a manual status change?.
 	 * @return array details of change.
 	 */
-	public function set_status( $new_status, $note = '', $manual_update = false ) {
+	public function set_status($new_status, $note = '', $manual_update = false) {
 		$old_status = $this->get_status();
 
 		$statuses = $this->get_all_statuses();
 
-		if ( isset( $statuses[ 'draft' ] ) ) {
-			unset( $statuses[ 'draft' ] );
+		if (isset($statuses['draft'])) {
+			unset($statuses['draft']);
 		}
 
-		$this->set_prop( 'status', $new_status );
+		$this->set_prop('status', $new_status);
 
 		// If setting the status, ensure it's set to a valid status.
-		if ( true === $this->object_read ) {
+		if (true === $this->object_read) {
 
 			// Only allow valid new status.
-			if ( ! array_key_exists( $new_status, $statuses ) ) {
+			if (!array_key_exists($new_status, $statuses)) {
 				$new_status = 'wpi-pending';
 			}
 
 			// If the old status is set but unknown (e.g. draft) assume its pending for action usage.
-			if ( $old_status && ! array_key_exists( $new_status, $statuses ) ) {
+			if ($old_status && !array_key_exists($new_status, $statuses)) {
 				$old_status = 'wpi-pending';
 			}
 
 			// Paid - Renewal (i.e when duplicating a parent invoice )
-			if ( $new_status == 'wpi-pending' && $old_status == 'publish' && ! $this->get_id() ) {
+			if ($new_status == 'wpi-pending' && $old_status == 'publish' && !$this->get_id()) {
 				$old_status = 'wpi-pending';
 			}
 
 		}
 
-		if ( true === $this->object_read && $old_status !== $new_status ) {
+		if (true === $this->object_read && $old_status !== $new_status) {
 			$this->status_transition = array(
-				'from'   => ! empty( $this->status_transition['from'] ) ? $this->status_transition['from'] : $old_status,
+				'from'   => !empty($this->status_transition['from']) ? $this->status_transition['from'] : $old_status,
 				'to'     => $new_status,
 				'note'   => $note,
 				'manual' => (bool) $manual_update,
 			);
 
-			if ( $manual_update ) {
-				do_action( 'getpaid_' . $this->object_type .'_edit_status', $this->get_id(), $new_status );
+			if ($manual_update) {
+				do_action('getpaid_' . $this->object_type . '_edit_status', $this->get_id(), $new_status);
 			}
 
 			$this->maybe_set_date_paid();
@@ -1929,8 +1929,8 @@ 
 	 */
 	public function maybe_set_date_paid() {
 
-		if ( ! $this->get_date_completed( 'edit' ) && $this->is_paid() ) {
-			$this->set_date_completed( current_time( 'mysql' ) );
+		if (!$this->get_date_completed('edit') && $this->is_paid()) {
+			$this->set_date_completed(current_time('mysql'));
 		}
 	}
 
@@ -1939,11 +1939,11 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function set_parent_id( $value ) {
-		if ( $value && ( $value === $this->get_id() ) ) {
+	public function set_parent_id($value) {
+		if ($value && ($value === $this->get_id())) {
 			return;
 		}
-		$this->set_prop( 'parent_id', absint( $value ) );
+		$this->set_prop('parent_id', absint($value));
     }
 
     /**
@@ -1951,8 +1951,8 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function set_version( $value ) {
-		$this->set_prop( 'version', $value );
+	public function set_version($value) {
+		$this->set_prop('version', $value);
     }
 
     /**
@@ -1962,15 +1962,15 @@ 
 	 * @param string $value Value to set.
      * @return bool Whether or not the date was set.
 	 */
-	public function set_date_created( $value ) {
-        $date = strtotime( $value );
+	public function set_date_created($value) {
+        $date = strtotime($value);
 
-        if ( $date && $value !== '0000-00-00 00:00:00' ) {
-            $this->set_prop( 'date_created', date( 'Y-m-d H:i:s', $date ) );
+        if ($date && $value !== '0000-00-00 00:00:00') {
+            $this->set_prop('date_created', date('Y-m-d H:i:s', $date));
             return true;
         }
 
-        return $this->set_prop( 'date_created', '' );
+        return $this->set_prop('date_created', '');
 
     }
 
@@ -1981,15 +1981,15 @@ 
 	 * @param string $value Value to set.
      * @return bool Whether or not the date was set.
 	 */
-	public function set_due_date( $value ) {
-        $date = strtotime( $value );
+	public function set_due_date($value) {
+        $date = strtotime($value);
 
-        if ( $date && $value !== '0000-00-00 00:00:00' ) {
-            $this->set_prop( 'due_date', date( 'Y-m-d H:i:s', $date ) );
+        if ($date && $value !== '0000-00-00 00:00:00') {
+            $this->set_prop('due_date', date('Y-m-d H:i:s', $date));
             return true;
         }
 
-		$this->set_prop( 'due_date', '' );
+		$this->set_prop('due_date', '');
         return false;
 
     }
@@ -2000,8 +2000,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New name.
 	 */
-	public function set_date_due( $value ) {
-		$this->set_due_date( $value );
+	public function set_date_due($value) {
+		$this->set_due_date($value);
     }
 
     /**
@@ -2011,15 +2011,15 @@ 
 	 * @param string $value Value to set.
      * @return bool Whether or not the date was set.
 	 */
-	public function set_completed_date( $value ) {
-        $date = strtotime( $value );
+	public function set_completed_date($value) {
+        $date = strtotime($value);
 
-        if ( $date && $value !== '0000-00-00 00:00:00'  ) {
-            $this->set_prop( 'completed_date', date( 'Y-m-d H:i:s', $date ) );
+        if ($date && $value !== '0000-00-00 00:00:00') {
+            $this->set_prop('completed_date', date('Y-m-d H:i:s', $date));
             return true;
         }
 
-		$this->set_prop( 'completed_date', '' );
+		$this->set_prop('completed_date', '');
         return false;
 
     }
@@ -2030,8 +2030,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New name.
 	 */
-	public function set_date_completed( $value ) {
-		$this->set_completed_date( $value );
+	public function set_date_completed($value) {
+		$this->set_completed_date($value);
     }
 
     /**
@@ -2041,15 +2041,15 @@ 
 	 * @param string $value Value to set.
      * @return bool Whether or not the date was set.
 	 */
-	public function set_date_modified( $value ) {
-        $date = strtotime( $value );
+	public function set_date_modified($value) {
+        $date = strtotime($value);
 
-        if ( $date && $value !== '0000-00-00 00:00:00' ) {
-            $this->set_prop( 'date_modified', date( 'Y-m-d H:i:s', $date ) );
+        if ($date && $value !== '0000-00-00 00:00:00') {
+            $this->set_prop('date_modified', date('Y-m-d H:i:s', $date));
             return true;
         }
 
-		$this->set_prop( 'date_modified', '' );
+		$this->set_prop('date_modified', '');
         return false;
 
     }
@@ -2060,9 +2060,9 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New number.
 	 */
-	public function set_number( $value ) {
-        $number = sanitize_text_field( $value );
-		$this->set_prop( 'number', $number );
+	public function set_number($value) {
+        $number = sanitize_text_field($value);
+		$this->set_prop('number', $number);
     }
 
     /**
@@ -2071,9 +2071,9 @@ 
 	 * @since 1.0.19
 	 * @param  string $value Type.
 	 */
-	public function set_type( $value ) {
-        $type = sanitize_text_field( str_replace( 'wpi_', '', $value ) );
-		$this->set_prop( 'type', $type );
+	public function set_type($value) {
+        $type = sanitize_text_field(str_replace('wpi_', '', $value));
+		$this->set_prop('type', $type);
 	}
 
     /**
@@ -2082,10 +2082,10 @@ 
 	 * @since 1.0.19
 	 * @param  string $value Post type.
 	 */
-	public function set_post_type( $value ) {
-        if ( getpaid_is_invoice_post_type( $value ) ) {
-			$this->set_type( $value );
-            $this->set_prop( 'post_type', $value );
+	public function set_post_type($value) {
+        if (getpaid_is_invoice_post_type($value)) {
+			$this->set_type($value);
+            $this->set_prop('post_type', $value);
         }
     }
 
@@ -2095,9 +2095,9 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New key.
 	 */
-	public function set_key( $value ) {
-        $key = sanitize_text_field( $value );
-		$this->set_prop( 'key', $key );
+	public function set_key($value) {
+        $key = sanitize_text_field($value);
+		$this->set_prop('key', $key);
     }
 
     /**
@@ -2106,9 +2106,9 @@ 
 	 * @since 1.0.19
 	 * @param  string $value mode.
 	 */
-	public function set_mode( $value ) {
-        if ( ! in_array( $value, array( 'live', 'test' ) ) ) {
-            $this->set_prop( 'value', $value );
+	public function set_mode($value) {
+        if (!in_array($value, array('live', 'test'))) {
+            $this->set_prop('value', $value);
         }
     }
 
@@ -2118,8 +2118,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value path.
 	 */
-	public function set_path( $value ) {
-        $this->set_prop( 'path', $value );
+	public function set_path($value) {
+        $this->set_prop('path', $value);
     }
 
     /**
@@ -2128,9 +2128,9 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New name.
 	 */
-	public function set_name( $value ) {
-        $name = sanitize_text_field( $value );
-		$this->set_prop( 'name', $name );
+	public function set_name($value) {
+        $name = sanitize_text_field($value);
+		$this->set_prop('name', $name);
     }
 
     /**
@@ -2139,8 +2139,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New name.
 	 */
-	public function set_title( $value ) {
-		$this->set_name( $value );
+	public function set_title($value) {
+		$this->set_name($value);
     }
 
     /**
@@ -2149,9 +2149,9 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New description.
 	 */
-	public function set_description( $value ) {
-        $description = wp_kses_post( $value );
-		return $this->set_prop( 'description', $description );
+	public function set_description($value) {
+        $description = wp_kses_post($value);
+		return $this->set_prop('description', $description);
     }
 
     /**
@@ -2160,8 +2160,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New description.
 	 */
-	public function set_excerpt( $value ) {
-		$this->set_description( $value );
+	public function set_excerpt($value) {
+		$this->set_description($value);
     }
 
     /**
@@ -2170,8 +2170,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New description.
 	 */
-	public function set_summary( $value ) {
-		$this->set_description( $value );
+	public function set_summary($value) {
+		$this->set_description($value);
     }
 
     /**
@@ -2180,12 +2180,12 @@ 
 	 * @since 1.0.19
 	 * @param  int $value New author.
 	 */
-	public function set_author( $value ) {
-		$user = get_user_by( 'id', (int) $value );
+	public function set_author($value) {
+		$user = get_user_by('id', (int) $value);
 
-		if ( $user && $user->ID ) {
-			$this->set_prop( 'author', $user->ID );
-			$this->set_prop( 'email', $user->user_email );
+		if ($user && $user->ID) {
+			$this->set_prop('author', $user->ID);
+			$this->set_prop('email', $user->user_email);
 		}
 		
     }
@@ -2196,8 +2196,8 @@ 
 	 * @since 1.0.19
 	 * @param  int $value New user id.
 	 */
-	public function set_user_id( $value ) {
-		$this->set_author( $value );
+	public function set_user_id($value) {
+		$this->set_author($value);
     }
 
     /**
@@ -2206,8 +2206,8 @@ 
 	 * @since 1.0.19
 	 * @param  int $value New user id.
 	 */
-	public function set_customer_id( $value ) {
-		$this->set_author( $value );
+	public function set_customer_id($value) {
+		$this->set_author($value);
     }
 
     /**
@@ -2216,8 +2216,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value ip address.
 	 */
-	public function set_ip( $value ) {
-		$this->set_prop( 'ip', $value );
+	public function set_ip($value) {
+		$this->set_prop('ip', $value);
     }
 
     /**
@@ -2226,8 +2226,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value ip address.
 	 */
-	public function set_user_ip( $value ) {
-		$this->set_ip( $value );
+	public function set_user_ip($value) {
+		$this->set_ip($value);
     }
 
     /**
@@ -2236,8 +2236,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value first name.
 	 */
-	public function set_first_name( $value ) {
-		$this->set_prop( 'first_name', $value );
+	public function set_first_name($value) {
+		$this->set_prop('first_name', $value);
     }
 
     /**
@@ -2246,8 +2246,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value first name.
 	 */
-	public function set_user_first_name( $value ) {
-		$this->set_first_name( $value );
+	public function set_user_first_name($value) {
+		$this->set_first_name($value);
     }
 
     /**
@@ -2256,8 +2256,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value first name.
 	 */
-	public function set_customer_first_name( $value ) {
-		$this->set_first_name( $value );
+	public function set_customer_first_name($value) {
+		$this->set_first_name($value);
     }
 
     /**
@@ -2266,8 +2266,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value last name.
 	 */
-	public function set_last_name( $value ) {
-		$this->set_prop( 'last_name', $value );
+	public function set_last_name($value) {
+		$this->set_prop('last_name', $value);
     }
 
     /**
@@ -2276,8 +2276,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value last name.
 	 */
-	public function set_user_last_name( $value ) {
-		$this->set_last_name( $value );
+	public function set_user_last_name($value) {
+		$this->set_last_name($value);
     }
 
     /**
@@ -2286,8 +2286,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value last name.
 	 */
-	public function set_customer_last_name( $value ) {
-		$this->set_last_name( $value );
+	public function set_customer_last_name($value) {
+		$this->set_last_name($value);
     }
 
     /**
@@ -2296,8 +2296,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value phone.
 	 */
-	public function set_phone( $value ) {
-		$this->set_prop( 'phone', $value );
+	public function set_phone($value) {
+		$this->set_prop('phone', $value);
     }
 
     /**
@@ -2306,8 +2306,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value phone.
 	 */
-	public function set_user_phone( $value ) {
-		$this->set_phone( $value );
+	public function set_user_phone($value) {
+		$this->set_phone($value);
     }
 
     /**
@@ -2316,8 +2316,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value phone.
 	 */
-	public function set_customer_phone( $value ) {
-		$this->set_phone( $value );
+	public function set_customer_phone($value) {
+		$this->set_phone($value);
     }
 
     /**
@@ -2326,8 +2326,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value phone.
 	 */
-	public function set_phone_number( $value ) {
-		$this->set_phone( $value );
+	public function set_phone_number($value) {
+		$this->set_phone($value);
     }
 
     /**
@@ -2336,8 +2336,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value email address.
 	 */
-	public function set_email( $value ) {
-		$this->set_prop( 'email', $value );
+	public function set_email($value) {
+		$this->set_prop('email', $value);
     }
 
     /**
@@ -2346,8 +2346,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value email address.
 	 */
-	public function set_user_email( $value ) {
-		$this->set_email( $value );
+	public function set_user_email($value) {
+		$this->set_email($value);
     }
 
     /**
@@ -2356,8 +2356,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value email address.
 	 */
-	public function set_email_address( $value ) {
-		$this->set_email( $value );
+	public function set_email_address($value) {
+		$this->set_email($value);
     }
 
     /**
@@ -2366,8 +2366,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value email address.
 	 */
-	public function set_customer_email( $value ) {
-		$this->set_email( $value );
+	public function set_customer_email($value) {
+		$this->set_email($value);
     }
 
     /**
@@ -2376,8 +2376,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value country.
 	 */
-	public function set_country( $value ) {
-		$this->set_prop( 'country', $value );
+	public function set_country($value) {
+		$this->set_prop('country', $value);
     }
 
     /**
@@ -2386,8 +2386,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value country.
 	 */
-	public function set_user_country( $value ) {
-		$this->set_country( $value );
+	public function set_user_country($value) {
+		$this->set_country($value);
     }
 
     /**
@@ -2396,8 +2396,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value country.
 	 */
-	public function set_customer_country( $value ) {
-		$this->set_country( $value );
+	public function set_customer_country($value) {
+		$this->set_country($value);
     }
 
     /**
@@ -2406,8 +2406,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value state.
 	 */
-	public function set_state( $value ) {
-		$this->set_prop( 'state', $value );
+	public function set_state($value) {
+		$this->set_prop('state', $value);
     }
 
     /**
@@ -2416,8 +2416,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value state.
 	 */
-	public function set_user_state( $value ) {
-		$this->set_state( $value );
+	public function set_user_state($value) {
+		$this->set_state($value);
     }
 
     /**
@@ -2426,8 +2426,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value state.
 	 */
-	public function set_customer_state( $value ) {
-		$this->set_state( $value );
+	public function set_customer_state($value) {
+		$this->set_state($value);
     }
 
     /**
@@ -2436,8 +2436,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value city.
 	 */
-	public function set_city( $value ) {
-		$this->set_prop( 'city', $value );
+	public function set_city($value) {
+		$this->set_prop('city', $value);
     }
 
     /**
@@ -2446,8 +2446,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value city.
 	 */
-	public function set_user_city( $value ) {
-		$this->set_city( $value );
+	public function set_user_city($value) {
+		$this->set_city($value);
     }
 
     /**
@@ -2456,8 +2456,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value city.
 	 */
-	public function set_customer_city( $value ) {
-		$this->set_city( $value );
+	public function set_customer_city($value) {
+		$this->set_city($value);
     }
 
     /**
@@ -2466,8 +2466,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value zip.
 	 */
-	public function set_zip( $value ) {
-		$this->set_prop( 'zip', $value );
+	public function set_zip($value) {
+		$this->set_prop('zip', $value);
     }
 
     /**
@@ -2476,8 +2476,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value zip.
 	 */
-	public function set_user_zip( $value ) {
-		$this->set_zip( $value );
+	public function set_user_zip($value) {
+		$this->set_zip($value);
     }
 
     /**
@@ -2486,8 +2486,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value zip.
 	 */
-	public function set_customer_zip( $value ) {
-		$this->set_zip( $value );
+	public function set_customer_zip($value) {
+		$this->set_zip($value);
     }
 
     /**
@@ -2496,8 +2496,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value company.
 	 */
-	public function set_company( $value ) {
-		$this->set_prop( 'company', $value );
+	public function set_company($value) {
+		$this->set_prop('company', $value);
     }
 
     /**
@@ -2506,8 +2506,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value company.
 	 */
-	public function set_user_company( $value ) {
-		$this->set_company( $value );
+	public function set_user_company($value) {
+		$this->set_company($value);
     }
 
     /**
@@ -2516,8 +2516,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value company.
 	 */
-	public function set_customer_company( $value ) {
-		$this->set_company( $value );
+	public function set_customer_company($value) {
+		$this->set_company($value);
     }
 
     /**
@@ -2526,8 +2526,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value var number.
 	 */
-	public function set_vat_number( $value ) {
-		$this->set_prop( 'vat_number', $value );
+	public function set_vat_number($value) {
+		$this->set_prop('vat_number', $value);
     }
 
     /**
@@ -2536,8 +2536,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value var number.
 	 */
-	public function set_user_vat_number( $value ) {
-		$this->set_vat_number( $value );
+	public function set_user_vat_number($value) {
+		$this->set_vat_number($value);
     }
 
     /**
@@ -2546,8 +2546,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value var number.
 	 */
-	public function set_customer_vat_number( $value ) {
-		$this->set_vat_number( $value );
+	public function set_customer_vat_number($value) {
+		$this->set_vat_number($value);
     }
 
     /**
@@ -2556,8 +2556,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value var rate.
 	 */
-	public function set_vat_rate( $value ) {
-		$this->set_prop( 'vat_rate', $value );
+	public function set_vat_rate($value) {
+		$this->set_prop('vat_rate', $value);
     }
 
     /**
@@ -2566,8 +2566,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value var number.
 	 */
-	public function set_user_vat_rate( $value ) {
-		$this->set_vat_rate( $value );
+	public function set_user_vat_rate($value) {
+		$this->set_vat_rate($value);
     }
 
     /**
@@ -2576,8 +2576,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value var number.
 	 */
-	public function set_customer_vat_rate( $value ) {
-		$this->set_vat_rate( $value );
+	public function set_customer_vat_rate($value) {
+		$this->set_vat_rate($value);
     }
 
     /**
@@ -2586,8 +2586,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value address.
 	 */
-	public function set_address( $value ) {
-		$this->set_prop( 'address', $value );
+	public function set_address($value) {
+		$this->set_prop('address', $value);
     }
 
     /**
@@ -2596,8 +2596,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value address.
 	 */
-	public function set_user_address( $value ) {
-		$this->set_address( $value );
+	public function set_user_address($value) {
+		$this->set_address($value);
     }
 
     /**
@@ -2606,8 +2606,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value address.
 	 */
-	public function set_customer_address( $value ) {
-		$this->set_address( $value );
+	public function set_customer_address($value) {
+		$this->set_address($value);
     }
 
     /**
@@ -2616,8 +2616,8 @@ 
 	 * @since 1.0.19
 	 * @param  int|bool $value confirmed.
 	 */
-	public function set_is_viewed( $value ) {
-		$this->set_prop( 'is_viewed', $value );
+	public function set_is_viewed($value) {
+		$this->set_prop('is_viewed', $value);
 	}
 
 	/**
@@ -2626,8 +2626,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value email recipients.
 	 */
-	public function set_email_cc( $value ) {
-		$this->set_prop( 'email_cc', $value );
+	public function set_email_cc($value) {
+		$this->set_prop('email_cc', $value);
 	}
 
 	/**
@@ -2636,9 +2636,9 @@ 
 	 * @since 1.0.19
 	 * @param  string $value template.
 	 */
-	public function set_template( $value ) {
-		if ( in_array( $value, array( 'quantity', 'hours', 'amount' ) ) ) {
-			$this->set_prop( 'template', $value );
+	public function set_template($value) {
+		if (in_array($value, array('quantity', 'hours', 'amount'))) {
+			$this->set_prop('template', $value);
 		}
 	}
 
@@ -2648,8 +2648,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value email recipients.
 	 */
-	public function created_via( $value ) {
-		$this->set_prop( 'created_via', sanitize_text_field( $value ) );
+	public function created_via($value) {
+		$this->set_prop('created_via', sanitize_text_field($value));
 	}
 
 	/**
@@ -2658,8 +2658,8 @@ 
 	 * @since 1.0.19
 	 * @param  int|bool $value confirmed.
 	 */
-	public function set_address_confirmed( $value ) {
-		$this->set_prop( 'address_confirmed', $value );
+	public function set_address_confirmed($value) {
+		$this->set_prop('address_confirmed', $value);
     }
 
     /**
@@ -2668,8 +2668,8 @@ 
 	 * @since 1.0.19
 	 * @param  int|bool $value confirmed.
 	 */
-	public function set_user_address_confirmed( $value ) {
-		$this->set_address_confirmed( $value );
+	public function set_user_address_confirmed($value) {
+		$this->set_address_confirmed($value);
     }
 
     /**
@@ -2678,8 +2678,8 @@ 
 	 * @since 1.0.19
 	 * @param  int|bool $value confirmed.
 	 */
-	public function set_customer_address_confirmed( $value ) {
-		$this->set_address_confirmed( $value );
+	public function set_customer_address_confirmed($value) {
+		$this->set_address_confirmed($value);
     }
 
     /**
@@ -2688,8 +2688,8 @@ 
 	 * @since 1.0.19
 	 * @param  float $value sub total.
 	 */
-	public function set_subtotal( $value ) {
-		$this->set_prop( 'subtotal', $value );
+	public function set_subtotal($value) {
+		$this->set_prop('subtotal', $value);
     }
 
     /**
@@ -2698,8 +2698,8 @@ 
 	 * @since 1.0.19
 	 * @param  float $value discount total.
 	 */
-	public function set_total_discount( $value ) {
-		$this->set_prop( 'total_discount', $value );
+	public function set_total_discount($value) {
+		$this->set_prop('total_discount', $value);
     }
 
     /**
@@ -2708,8 +2708,8 @@ 
 	 * @since 1.0.19
 	 * @param  float $value discount total.
 	 */
-	public function set_discount( $value ) {
-		$this->set_total_discount( $value );
+	public function set_discount($value) {
+		$this->set_total_discount($value);
     }
 
     /**
@@ -2718,8 +2718,8 @@ 
 	 * @since 1.0.19
 	 * @param  float $value tax total.
 	 */
-	public function set_total_tax( $value ) {
-		$this->set_prop( 'total_tax', $value );
+	public function set_total_tax($value) {
+		$this->set_prop('total_tax', $value);
     }
 
     /**
@@ -2728,8 +2728,8 @@ 
 	 * @since 1.0.19
 	 * @param  float $value tax total.
 	 */
-	public function set_tax_total( $value ) {
-		$this->set_total_tax( $value );
+	public function set_tax_total($value) {
+		$this->set_total_tax($value);
     }
 
     /**
@@ -2738,8 +2738,8 @@ 
 	 * @since 1.0.19
 	 * @param  float $value fees total.
 	 */
-	public function set_total_fees( $value ) {
-		$this->set_prop( 'total_fees', $value );
+	public function set_total_fees($value) {
+		$this->set_prop('total_fees', $value);
     }
 
     /**
@@ -2748,8 +2748,8 @@ 
 	 * @since 1.0.19
 	 * @param  float $value fees total.
 	 */
-	public function set_fees_total( $value ) {
-		$this->set_total_fees( $value );
+	public function set_fees_total($value) {
+		$this->set_total_fees($value);
     }
 
     /**
@@ -2758,13 +2758,13 @@ 
 	 * @since 1.0.19
 	 * @param  array $value fees.
 	 */
-	public function set_fees( $value ) {
+	public function set_fees($value) {
 
-		if ( ! is_array( $value ) ) {
+		if (!is_array($value)) {
 			$value = array();
 		}
 
-		$this->set_prop( 'fees', $value );
+		$this->set_prop('fees', $value);
 
     }
 
@@ -2774,13 +2774,13 @@ 
 	 * @since 1.0.19
 	 * @param  array $value taxes.
 	 */
-	public function set_taxes( $value ) {
+	public function set_taxes($value) {
 
-		if ( ! is_array( $value ) ) {
+		if (!is_array($value)) {
 			$value = array();
 		}
 
-		$this->set_prop( 'taxes', $value );
+		$this->set_prop('taxes', $value);
 
     }
 
@@ -2790,13 +2790,13 @@ 
 	 * @since 1.0.19
 	 * @param  array $value discounts.
 	 */
-	public function set_discounts( $value ) {
+	public function set_discounts($value) {
 
-		if ( ! is_array( $value ) ) {
+		if (!is_array($value)) {
 			$value = array();
 		}
 
-		$this->set_prop( 'discounts', $value );
+		$this->set_prop('discounts', $value);
     }
 
     /**
@@ -2805,18 +2805,18 @@ 
 	 * @since 1.0.19
 	 * @param  GetPaid_Form_Item[] $value items.
 	 */
-	public function set_items( $value ) {
+	public function set_items($value) {
 
         // Remove existing items.
-        $this->set_prop( 'items', array() );
+        $this->set_prop('items', array());
 
         // Ensure that we have an array.
-        if ( ! is_array( $value ) ) {
+        if (!is_array($value)) {
             return;
         }
 
-        foreach ( $value as $item ) {
-            $this->add_item( $item );
+        foreach ($value as $item) {
+            $this->add_item($item);
         }
 
     }
@@ -2827,8 +2827,8 @@ 
 	 * @since 1.0.19
 	 * @param  int $value payment form.
 	 */
-	public function set_payment_form( $value ) {
-		$this->set_prop( 'payment_form', $value );
+	public function set_payment_form($value) {
+		$this->set_prop('payment_form', $value);
     }
 
     /**
@@ -2837,8 +2837,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value submission id.
 	 */
-	public function set_submission_id( $value ) {
-		$this->set_prop( 'submission_id', $value );
+	public function set_submission_id($value) {
+		$this->set_prop('submission_id', $value);
     }
 
     /**
@@ -2847,8 +2847,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value discount code.
 	 */
-	public function set_discount_code( $value ) {
-		$this->set_prop( 'discount_code', $value );
+	public function set_discount_code($value) {
+		$this->set_prop('discount_code', $value);
     }
 
     /**
@@ -2857,8 +2857,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value gateway.
 	 */
-	public function set_gateway( $value ) {
-		$this->set_prop( 'gateway', $value );
+	public function set_gateway($value) {
+		$this->set_prop('gateway', $value);
     }
 
     /**
@@ -2867,9 +2867,9 @@ 
 	 * @since 1.0.19
 	 * @param  string $value transaction id.
 	 */
-	public function set_transaction_id( $value ) {
-		if ( ! empty( $value ) ) {
-			$this->set_prop( 'transaction_id', $value );
+	public function set_transaction_id($value) {
+		if (!empty($value)) {
+			$this->set_prop('transaction_id', $value);
 		}
     }
 
@@ -2879,8 +2879,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value currency id.
 	 */
-	public function set_currency( $value ) {
-		$this->set_prop( 'currency', $value );
+	public function set_currency($value) {
+		$this->set_prop('currency', $value);
     }
 
 	/**
@@ -2889,8 +2889,8 @@ 
 	 * @since 1.0.19
 	 * @param  bool $value value.
 	 */
-	public function set_disable_taxes( $value ) {
-		$this->set_prop( 'disable_taxes', (bool) $value );
+	public function set_disable_taxes($value) {
+		$this->set_prop('disable_taxes', (bool) $value);
 	}
 
     /**
@@ -2899,8 +2899,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value subscription id.
 	 */
-	public function set_subscription_id( $value ) {
-		$this->set_prop( 'subscription_id', $value );
+	public function set_subscription_id($value) {
+		$this->set_prop('subscription_id', $value);
 	}
 	
 	/**
@@ -2909,8 +2909,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value subscription id.
 	 */
-	public function set_remote_subscription_id( $value ) {
-		$this->set_prop( 'remote_subscription_id', $value );
+	public function set_remote_subscription_id($value) {
+		$this->set_prop('remote_subscription_id', $value);
     }
 
     /*
@@ -2927,28 +2927,28 @@ 
      */
     public function is_parent() {
         $parent = $this->get_parent_id();
-        return apply_filters( 'wpinv_invoice_is_parent', empty( $parent ), $this );
+        return apply_filters('wpinv_invoice_is_parent', empty($parent), $this);
     }
 
     /**
      * Checks if this is a renewal invoice.
      */
     public function is_renewal() {
-        return ! $this->is_parent();
+        return !$this->is_parent();
     }
 
     /**
      * Checks if this is a recurring invoice.
      */
     public function is_recurring() {
-        return $this->is_renewal() || ! empty( $this->recurring_item );
+        return $this->is_renewal() || !empty($this->recurring_item);
     }
 
     /**
      * Checks if this is a taxable invoice.
      */
     public function is_taxable() {
-        return ! $this->get_disable_taxes();
+        return !$this->get_disable_taxes();
 	}
 
 	/**
@@ -2959,57 +2959,57 @@ 
 
         $requires_vat = false;
 
-        if ( $this->country ) {
+        if ($this->country) {
             $wpi_country        = $this->country;
-            $requires_vat       = $wpinv_euvat->requires_vat( $requires_vat, $this->get_user_id(), $wpinv_euvat->invoice_has_digital_rule( $this ) );
+            $requires_vat       = $wpinv_euvat->requires_vat($requires_vat, $this->get_user_id(), $wpinv_euvat->invoice_has_digital_rule($this));
         }
 
-        return apply_filters( 'wpinv_invoice_has_vat', $requires_vat, $this );
+        return apply_filters('wpinv_invoice_has_vat', $requires_vat, $this);
 	}
 
 	/**
 	 * Checks to see if the invoice requires payment.
 	 */
 	public function is_free() {
-        $is_free = ( (float) wpinv_round_amount( $this->get_initial_total() ) == 0 );
+        $is_free = ((float) wpinv_round_amount($this->get_initial_total()) == 0);
 
-		if ( $this->is_recurring() && $this->get_recurring_total() > 0 ) {
+		if ($this->is_recurring() && $this->get_recurring_total() > 0) {
 			$is_free = false;
 		}
 
-        return apply_filters( 'wpinv_invoice_is_free', $is_free, $this );
+        return apply_filters('wpinv_invoice_is_free', $is_free, $this);
     }
 
     /**
      * Checks if the invoice is paid.
      */
     public function is_paid() {
-        $is_paid = $this->has_status( array( 'publish', 'wpi-processing', 'wpi-renewal' ) );
-        return apply_filters( 'wpinv_invoice_is_paid', $is_paid, $this );
+        $is_paid = $this->has_status(array('publish', 'wpi-processing', 'wpi-renewal'));
+        return apply_filters('wpinv_invoice_is_paid', $is_paid, $this);
 	}
 
 	/**
      * Checks if the invoice needs payment.
      */
 	public function needs_payment() {
-		$needs_payment = ! $this->is_paid() && ! $this->is_refunded() && ! $this->is_free();
-        return apply_filters( 'wpinv_needs_payment', $needs_payment, $this );
+		$needs_payment = !$this->is_paid() && !$this->is_refunded() && !$this->is_free();
+        return apply_filters('wpinv_needs_payment', $needs_payment, $this);
     }
   
 	/**
      * Checks if the invoice is refunded.
      */
 	public function is_refunded() {
-        $is_refunded = $this->has_status( 'wpi-refunded' );
-        return apply_filters( 'wpinv_invoice_is_refunded', $is_refunded, $this );
+        $is_refunded = $this->has_status('wpi-refunded');
+        return apply_filters('wpinv_invoice_is_refunded', $is_refunded, $this);
 	}
 
 	/**
      * Checks if the invoice is held.
      */
 	public function is_held() {
-        $is_held = $this->has_status( 'wpi-onhold' );
-        return apply_filters( 'wpinv_invoice_is_held', $is_held, $this );
+        $is_held = $this->has_status('wpi-onhold');
+        return apply_filters('wpinv_invoice_is_held', $is_held, $this);
 	}
 
 	/**
@@ -3017,30 +3017,30 @@ 
      */
 	public function is_due() {
 		$due_date = $this->get_due_date();
-		return empty( $due_date ) ? false : current_time( 'timestamp' ) > strtotime( $due_date );
+		return empty($due_date) ? false : current_time('timestamp') > strtotime($due_date);
 	}
 
 	/**
      * Checks if the invoice is draft.
      */
 	public function is_draft() {
-        return $this->has_status( 'draft, auto-draft' );
+        return $this->has_status('draft, auto-draft');
 	}
 
     /**
      * Checks if the invoice has a given status.
      */
-    public function has_status( $status ) {
-        $status = wpinv_parse_list( $status );
-        return apply_filters( 'wpinv_has_status', in_array( $this->get_status(), $status ), $status );
+    public function has_status($status) {
+        $status = wpinv_parse_list($status);
+        return apply_filters('wpinv_has_status', in_array($this->get_status(), $status), $status);
 	}
 
 	/**
      * Checks if the invoice is of a given type.
      */
-    public function is_type( $type ) {
-        $type = wpinv_parse_list( $type );
-        return in_array( $this->get_type(), $type );
+    public function is_type($type) {
+        $type = wpinv_parse_list($type);
+        return in_array($this->get_type(), $type);
     }
 
     /**
@@ -3072,8 +3072,8 @@ 
      *
      */
 	public function is_initial_free() {
-        $is_initial_free = ! ( (float) wpinv_round_amount( $this->get_initial_total() ) > 0 );
-        return apply_filters( 'wpinv_invoice_is_initial_free', $is_initial_free, $this->get_cart_details(), $this );
+        $is_initial_free = !((float) wpinv_round_amount($this->get_initial_total()) > 0);
+        return apply_filters('wpinv_invoice_is_initial_free', $is_initial_free, $this->get_cart_details(), $this);
     }
 	
 	/**
@@ -3083,11 +3083,11 @@ 
     public function item_has_free_trial() {
 
         // Ensure we have a recurring item.
-        if ( ! $this->is_recurring() ) {
+        if (!$this->is_recurring()) {
             return false;
         }
 
-        $item = $this->get_recurring( true );
+        $item = $this->get_recurring(true);
         return $item->has_free_trial();
 	}
 
@@ -3095,7 +3095,7 @@ 
      * Check if the free trial is a result of a discount.
      */
     public function is_free_trial_from_discount() {
-		return $this->has_free_trial() && ! $this->item_has_free_trial();
+		return $this->has_free_trial() && !$this->item_has_free_trial();
 	}
 	
 	/**
@@ -3104,17 +3104,17 @@ 
     public function discount_first_payment_only() {
 
 		$discount_code = $this->get_discount_code();
-        if ( empty( $this->discount_code ) || ! $this->is_recurring() ) {
+        if (empty($this->discount_code) || !$this->is_recurring()) {
             return true;
         }
 
-        $discount = wpinv_get_discount_obj( $discount_code );
+        $discount = wpinv_get_discount_obj($discount_code);
 
-        if ( ! $discount || ! $discount->exists() ) {
+        if (!$discount || !$discount->exists()) {
             return true;
         }
 
-        return ! $discount->get_is_recurring();
+        return !$discount->get_is_recurring();
     }
 
     /*
@@ -3132,27 +3132,27 @@ 
      * @param GetPaid_Form_Item|array $item
      * @return WP_Error|Bool
      */
-    public function add_item( $item ) {
+    public function add_item($item) {
 
-		if ( is_array( $item ) ) {
-			$item = $this->process_array_item( $item );
+		if (is_array($item)) {
+			$item = $this->process_array_item($item);
 		}
 
-		if ( is_numeric( $item ) ) {
-			$item = new GetPaid_Form_Item( $item );
+		if (is_numeric($item)) {
+			$item = new GetPaid_Form_Item($item);
 		}
 
         // Make sure that it is available for purchase.
-		if ( $item->get_id() > 0 && ! $item->can_purchase() ) {
-			return new WP_Error( 'invalid_item', __( 'This item is not available for purchase', 'invoicing' ) );
+		if ($item->get_id() > 0 && !$item->can_purchase()) {
+			return new WP_Error('invalid_item', __('This item is not available for purchase', 'invoicing'));
         }
 
         // Do we have a recurring item?
-		if ( $item->is_recurring() ) {
+		if ($item->is_recurring()) {
 
 			// An invoice can only contain one recurring item.
-			if ( ! empty( $this->recurring_item  && $this->recurring_item != (int) $item->get_id() ) ) {
-				return new WP_Error( 'recurring_item', __( 'An invoice can only contain one recurring item', 'invoicing' ) );
+			if (!empty($this->recurring_item && $this->recurring_item != (int) $item->get_id())) {
+				return new WP_Error('recurring_item', __('An invoice can only contain one recurring item', 'invoicing'));
 			}
 
 			$this->recurring_item = $item->get_id();
@@ -3163,9 +3163,9 @@ 
 
         // Retrieve all items.
         $items = $this->get_items();
-        $items[ (int) $item->get_id() ] = $item;
+        $items[(int) $item->get_id()] = $item;
 
-        $this->set_prop( 'items', $items );
+        $this->set_prop('items', $items);
 		return true;
 	}
 
@@ -3175,26 +3175,26 @@ 
 	 * @since 1.0.19
 	 * @return GetPaid_Form_Item
 	 */
-	protected function process_array_item( $array ) {
+	protected function process_array_item($array) {
 
-		$item_id = isset( $array['item_id'] ) ? $array['item_id'] : 0;
-		$item    = new GetPaid_Form_Item( $item_id );
+		$item_id = isset($array['item_id']) ? $array['item_id'] : 0;
+		$item    = new GetPaid_Form_Item($item_id);
 
 		// Set item data.
-		foreach ( array( 'name', 'price', 'description' ) as $key ) {
-			if ( isset( $array[ "item_$key" ] ) ) {
+		foreach (array('name', 'price', 'description') as $key) {
+			if (isset($array["item_$key"])) {
 				$method = "set_$key";
-				$item->$method( $array[ "item_$key" ] );
+				$item->$method($array["item_$key"]);
 			}
 		}
 
-		if ( isset( $array['quantity'] ) ) {
-			$item->set_quantity( $array['quantity'] );
+		if (isset($array['quantity'])) {
+			$item->set_quantity($array['quantity']);
 		}
 
 		// Set item meta.
-		if ( isset( $array['meta'] ) && is_array( $array['meta'] ) ) {
-			$item->set_item_meta( $array['meta'] );
+		if (isset($array['meta']) && is_array($array['meta'])) {
+			$item->set_item_meta($array['meta']);
 		}
 
 		return $item;
@@ -3206,10 +3206,10 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function get_item( $item_id ) {
+	public function get_item($item_id) {
 		$items   = $this->get_items();
 		$item_id = (int) $item_id;
-		return ( ! empty( $item_id ) && isset( $items[ $item_id ] ) ) ? $items[ $item_id ] : null;
+		return (!empty($item_id) && isset($items[$item_id])) ? $items[$item_id] : null;
     }
 
     /**
@@ -3217,17 +3217,17 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function remove_item( $item_id ) {
+	public function remove_item($item_id) {
 		$items   = $this->get_items();
 		$item_id = (int) $item_id;
 
-        if ( $item_id == $this->recurring_item ) {
+        if ($item_id == $this->recurring_item) {
             $this->recurring_item = null;
         }
 
-        if ( isset( $items[ $item_id ] ) ) {
-            unset( $items[ $item_id ] );
-            $this->set_prop( 'items', $items );
+        if (isset($items[$item_id])) {
+            unset($items[$item_id]);
+            $this->set_prop('items', $items);
         }
     }
 
@@ -3237,11 +3237,11 @@ 
 	 * @param array $fee An array of fee details. name, initial_fee, and recurring_fee are required.
 	 * @since 1.0.19
 	 */
-    public function add_fee( $fee ) {
+    public function add_fee($fee) {
 
 		$fees                 = $this->get_fees();
-		$fees[ $fee['name'] ] = $fee;
-		$this->set_prop( 'fees', $fees );
+		$fees[$fee['name']] = $fee;
+		$this->set_prop('fees', $fees);
 
     }
 
@@ -3250,9 +3250,9 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function get_fee( $fee ) {
+	public function get_fee($fee) {
         $fees = $this->get_fees();
-		return isset( $fees[ $fee ] ) ? $fees[ $fee ] : null;
+		return isset($fees[$fee]) ? $fees[$fee] : null;
     }
 
     /**
@@ -3260,11 +3260,11 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function remove_fee( $fee ) {
+	public function remove_fee($fee) {
         $fees = $this->get_fees();
-        if ( isset( $fees[ $fee ] ) ) {
-            unset( $fees[ $fee ] );
-            $this->set_prop( 'fees', $fees );
+        if (isset($fees[$fee])) {
+            unset($fees[$fee]);
+            $this->set_prop('fees', $fees);
         }
     }
 
@@ -3274,11 +3274,11 @@ 
 	 * @param array $discount An array of discount details. name, initial_discount, and recurring_discount are required. Include discount_code if the discount is from a discount code.
 	 * @since 1.0.19
 	 */
-	public function add_discount( $discount ) {
+	public function add_discount($discount) {
 
 		$discounts = $this->get_discounts();
-		$discounts[ $discount['name'] ] = $discount;
-		$this->set_prop( 'discounts', $discounts );
+		$discounts[$discount['name']] = $discount;
+		$this->set_prop('discounts', $discounts);
 
 	}
 
@@ -3288,15 +3288,15 @@ 
 	 * @since 1.0.19
 	 * @return float
 	 */
-	public function get_discount( $discount = false ) {
+	public function get_discount($discount = false) {
 
 		// Backwards compatibilty.
-		if ( empty( $discount ) ) {
+		if (empty($discount)) {
 			return $this->get_total_discount();
 		}
 
         $discounts = $this->get_discounts();
-		return isset( $discounts[ $discount ] ) ? $discounts[ $discount ] : null;
+		return isset($discounts[$discount]) ? $discounts[$discount] : null;
     }
 
     /**
@@ -3304,11 +3304,11 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function remove_discount( $discount ) {
+	public function remove_discount($discount) {
         $discounts = $this->get_discounts();
-        if ( isset( $discounts[ $discount ] ) ) {
-            unset( $discounts[ $discount ] );
-            $this->set_prop( 'discounts', $discounts );
+        if (isset($discounts[$discount])) {
+            unset($discounts[$discount]);
+            $this->set_prop('discounts', $discounts);
         }
     }
 
@@ -3317,12 +3317,12 @@ 
      *
      * @param array $tax An array of tax details. name, initial_tax, and recurring_tax are required.
      */
-    public function add_tax( $tax ) {
-        if ( $this->is_taxable() ) {
+    public function add_tax($tax) {
+        if ($this->is_taxable()) {
 
-            $taxes                 = $this->get_taxes();
-			$taxes[ $tax['name'] ] = $tax;
-			$this->set_prop( 'taxes', $tax );
+            $taxes = $this->get_taxes();
+			$taxes[$tax['name']] = $tax;
+			$this->set_prop('taxes', $tax);
 
         }
     }
@@ -3332,15 +3332,15 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function get_tax( $tax = null ) {
+	public function get_tax($tax = null) {
 
 		// Backwards compatility.
-		if ( empty( $tax ) ) {
+		if (empty($tax)) {
 			return $this->get_total_tax();
 		}
 
         $taxes = $this->get_taxes();
-		return isset( $taxes[ $tax ] ) ? $taxes[ $tax ] : null;
+		return isset($taxes[$tax]) ? $taxes[$tax] : null;
     }
 
     /**
@@ -3348,11 +3348,11 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function remove_tax( $tax ) {
+	public function remove_tax($tax) {
         $taxes = $this->get_taxes();
-        if ( isset( $taxes[ $tax ] ) ) {
-            unset( $taxes[ $tax ] );
-            $this->set_prop( 'taxes', $taxes );
+        if (isset($taxes[$tax])) {
+            unset($taxes[$tax]);
+            $this->set_prop('taxes', $taxes);
         }
     }
 
@@ -3363,17 +3363,17 @@ 
 	 * @return float The recalculated subtotal
 	 */
 	public function recalculate_subtotal() {
-        $items     = $this->get_items();
+        $items = $this->get_items();
 		$subtotal  = 0;
 		$recurring = 0;
 
-        foreach ( $items as $item ) {
+        foreach ($items as $item) {
 			$subtotal  += $item->get_sub_total();
 			$recurring += $item->get_recurring_sub_total();
         }
 
 		$current = $this->is_renewal() ? $recurring : $subtotal;
-		$this->set_subtotal( $current );
+		$this->set_subtotal($current);
 
 		$this->totals['subtotal'] = array(
 			'initial'   => $subtotal,
@@ -3394,14 +3394,14 @@ 
 		$discount  = 0;
 		$recurring = 0;
 
-        foreach ( $discounts as $data ) {
-			$discount  += wpinv_sanitize_amount( $data['initial_discount'] );
-			$recurring += wpinv_sanitize_amount( $data['recurring_discount'] );
+        foreach ($discounts as $data) {
+			$discount  += wpinv_sanitize_amount($data['initial_discount']);
+			$recurring += wpinv_sanitize_amount($data['recurring_discount']);
 		}
 
 		$current = $this->is_renewal() ? $recurring : $discount;
 
-		$this->set_total_discount( $current );
+		$this->set_total_discount($current);
 
 		$this->totals['discount'] = array(
 			'initial'   => $discount,
@@ -3419,17 +3419,17 @@ 
 	 * @return float The recalculated tax
 	 */
 	public function recalculate_total_tax() {
-        $taxes     = $this->get_taxes();
+        $taxes = $this->get_taxes();
 		$tax       = 0;
 		$recurring = 0;
 
-        foreach ( $taxes as $data ) {
-			$tax       += wpinv_sanitize_amount( $data['initial_tax'] );
-			$recurring += wpinv_sanitize_amount( $data['recurring_tax'] );
+        foreach ($taxes as $data) {
+			$tax       += wpinv_sanitize_amount($data['initial_tax']);
+			$recurring += wpinv_sanitize_amount($data['recurring_tax']);
 		}
 
 		$current = $this->is_renewal() ? $recurring : $tax;
-		$this->set_total_tax( $current );
+		$this->set_total_tax($current);
 
 		$this->totals['tax'] = array(
 			'initial'   => $tax,
@@ -3451,20 +3451,20 @@ 
 		$fee       = 0;
 		$recurring = 0;
 
-        foreach ( $fees as $data ) {
-			$fee       += wpinv_sanitize_amount( $data['initial_fee'] );
-			$recurring += wpinv_sanitize_amount( $data['recurring_fee'] );
+        foreach ($fees as $data) {
+			$fee       += wpinv_sanitize_amount($data['initial_fee']);
+			$recurring += wpinv_sanitize_amount($data['recurring_fee']);
 		}
 
 		$current = $this->is_renewal() ? $recurring : $fee;
-		$this->set_total_fees( $current );
+		$this->set_total_fees($current);
 
 		$this->totals['fee'] = array(
 			'initial'   => $fee,
 			'recurring' => $recurring,
 		);
 
-        $this->set_total_fees( $fee );
+        $this->set_total_fees($fee);
         return $current;
     }
 
@@ -3485,9 +3485,9 @@ 
 	/**
 	 * @deprecated
 	 */
-    public function recalculate_totals( $temp = false ) {
-        $this->update_items( $temp );
-        $this->save( true );
+    public function recalculate_totals($temp = false) {
+        $this->update_items($temp);
+        $this->save(true);
         return $this;
     }
 
@@ -3505,10 +3505,10 @@ 
 	 * @return int|false The new note's ID on success, false on failure.
      *
      */
-    public function add_note( $note = '', $customer_type = false, $added_by_user = false, $system = false ) {
+    public function add_note($note = '', $customer_type = false, $added_by_user = false, $system = false) {
 
         // Bail if no note specified or this invoice is not yet saved.
-        if ( ! $note || $this->get_id() == 0 || ( ! is_user_logged_in() && ! $system ) ) {
+        if (!$note || $this->get_id() == 0 || (!is_user_logged_in() && !$system)) {
             return false;
         }
 
@@ -3516,23 +3516,23 @@ 
 		$author_email = 'bot@wpinvoicing.com';
 
 		// If this is an admin comment or it has been added by the user.
-		if ( is_user_logged_in() && ( ! $system || $added_by_user ) ) {
-			$user         = get_user_by( 'id', get_current_user_id() );
+		if (is_user_logged_in() && (!$system || $added_by_user)) {
+			$user = get_user_by('id', get_current_user_id());
             $author       = $user->display_name;
             $author_email = $user->user_email;
 		}
 
-		return getpaid_notes()->add_invoice_note( $this, $note, $author, $author_email, $customer_type );
+		return getpaid_notes()->add_invoice_note($this, $note, $author, $author_email, $customer_type);
 
 	}
 
 	/**
      * Generates a unique key for the invoice.
      */
-    public function generate_key( $string = '' ) {
-        $auth_key  = defined( 'AUTH_KEY' ) ? AUTH_KEY : '';
+    public function generate_key($string = '') {
+        $auth_key = defined('AUTH_KEY') ? AUTH_KEY : '';
         return strtolower(
-            $string . md5( $this->get_id() . date( 'Y-m-d H:i:s' ) . $auth_key . uniqid( 'wpinv', true ) )
+            $string . md5($this->get_id() . date('Y-m-d H:i:s') . $auth_key . uniqid('wpinv', true))
         );
     }
 
@@ -3542,11 +3542,11 @@ 
     public function generate_number() {
         $number = $this->get_id();
 
-        if ( wpinv_sequential_number_active( $this->get_post_type() ) ) {
-            $number = wpinv_get_next_invoice_number( $this->get_post_type() );
+        if (wpinv_sequential_number_active($this->get_post_type())) {
+            $number = wpinv_get_next_invoice_number($this->get_post_type());
         }
 
-		return wpinv_format_invoice_number( $number, $this->get_post_type() );
+		return wpinv_format_invoice_number($number, $this->get_post_type());
 
 	}
 
@@ -3559,55 +3559,55 @@ 
 		// Reset status transition variable.
 		$this->status_transition = false;
 
-		if ( $status_transition ) {
+		if ($status_transition) {
 			try {
 
 				// Fire a hook for the status change.
-				do_action( 'getpaid_invoice_status_' . $status_transition['to'], $this, $status_transition );
+				do_action('getpaid_invoice_status_' . $status_transition['to'], $this, $status_transition);
 
 				// @deprecated this is deprecated and will be removed in the future.
-				do_action( 'wpinv_status_' . $status_transition['to'], $this->get_id(), $status_transition['from'] );
+				do_action('wpinv_status_' . $status_transition['to'], $this->get_id(), $status_transition['from']);
 
-				if ( ! empty( $status_transition['from'] ) ) {
+				if (!empty($status_transition['from'])) {
 
 					/* translators: 1: old invoice status 2: new invoice status */
-					$transition_note = sprintf( __( 'Status changed from %1$s to %2$s.', 'invoicing' ), wpinv_status_nicename( $status_transition['from'] ), wpinv_status_nicename( $status_transition['to'] ) );
+					$transition_note = sprintf(__('Status changed from %1$s to %2$s.', 'invoicing'), wpinv_status_nicename($status_transition['from']), wpinv_status_nicename($status_transition['to']));
 
 					// Fire another hook.
-					do_action( 'getpaid_invoice_status_' . $status_transition['from'] . '_to_' . $status_transition['to'], $this );
-					do_action( 'getpaid_invoice_status_changed', $this, $status_transition['from'], $status_transition['to'] );
+					do_action('getpaid_invoice_status_' . $status_transition['from'] . '_to_' . $status_transition['to'], $this);
+					do_action('getpaid_invoice_status_changed', $this, $status_transition['from'], $status_transition['to']);
 
 					// @deprecated this is deprecated and will be removed in the future.
-					do_action( 'wpinv_status_' . $status_transition['from'] . '_to_' . $status_transition['to'], $this->get_id(), $status_transition['from'] );
+					do_action('wpinv_status_' . $status_transition['from'] . '_to_' . $status_transition['to'], $this->get_id(), $status_transition['from']);
 
 					// Note the transition occurred.
-					$this->add_note( trim( $status_transition['note'] . ' ' . $transition_note ), 0, $status_transition['manual'] );
+					$this->add_note(trim($status_transition['note'] . ' ' . $transition_note), 0, $status_transition['manual']);
 
 					// Work out if this was for a payment, and trigger a payment_status hook instead.
 					if (
-						in_array( $status_transition['from'], array( 'wpi-cancelled', 'wpi-pending', 'wpi-failed', 'wpi-refunded', 'wpi-onhold' ), true )
-						&& in_array( $status_transition['to'], array( 'publish', 'wpi-processing', 'wpi-renewal' ), true )
+						in_array($status_transition['from'], array('wpi-cancelled', 'wpi-pending', 'wpi-failed', 'wpi-refunded', 'wpi-onhold'), true)
+						&& in_array($status_transition['to'], array('publish', 'wpi-processing', 'wpi-renewal'), true)
 					) {
-						do_action( 'getpaid_invoice_payment_status_changed', $this, $status_transition );
+						do_action('getpaid_invoice_payment_status_changed', $this, $status_transition);
 					}
 
 					// Work out if this was for a payment reversal, and trigger a payment_status_reversed hook instead.
 					if (
-						in_array( $status_transition['from'], array( 'publish', 'wpi-processing', 'wpi-renewal' ), true )
-						&& in_array( $status_transition['to'], array( 'wpi-cancelled', 'wpi-pending', 'wpi-failed', 'wpi-refunded', 'wpi-onhold' ), true )
+						in_array($status_transition['from'], array('publish', 'wpi-processing', 'wpi-renewal'), true)
+						&& in_array($status_transition['to'], array('wpi-cancelled', 'wpi-pending', 'wpi-failed', 'wpi-refunded', 'wpi-onhold'), true)
 					) {
-						do_action( 'getpaid_invoice_payment_status_reversed', $this, $status_transition );
+						do_action('getpaid_invoice_payment_status_reversed', $this, $status_transition);
 					}
 				} else {
 					/* translators: %s: new invoice status */
-					$transition_note = sprintf( __( 'Status set to %s.', 'invoicing' ), wpinv_status_nicename( $status_transition['to'] ) );
+					$transition_note = sprintf(__('Status set to %s.', 'invoicing'), wpinv_status_nicename($status_transition['to']));
 
 					// Note the transition occurred.
-					$this->add_note( trim( $status_transition['note'] . ' ' . $transition_note ), 0, $status_transition['manual'] );
+					$this->add_note(trim($status_transition['note'] . ' ' . $transition_note), 0, $status_transition['manual']);
 
 				}
-			} catch ( Exception $e ) {
-				$this->add_note( __( 'Error during status transition.', 'invoicing' ) . ' ' . $e->getMessage() );
+			} catch (Exception $e) {
+				$this->add_note(__('Error during status transition.', 'invoicing') . ' ' . $e->getMessage());
 			}
 		}
 	}
@@ -3615,13 +3615,13 @@ 
 	/**
 	 * Updates an invoice status.
 	 */
-	public function update_status( $new_status = false, $note = '', $manual = false ) {
+	public function update_status($new_status = false, $note = '', $manual = false) {
 
 		// Fires before updating a status.
-		do_action( 'wpinv_before_invoice_status_change', $this->get_id(), $new_status, $this->get_status( 'edit' ) );
+		do_action('wpinv_before_invoice_status_change', $this->get_id(), $new_status, $this->get_status('edit'));
 
 		// Update the status.
-		$this->set_status( $new_status, $note, $manual );
+		$this->set_status($new_status, $note, $manual);
 
 		// Save the order.
 		return $this->save();
@@ -3632,18 +3632,18 @@ 
 	 * @deprecated
 	 */
 	public function refresh_item_ids() {
-        $item_ids = implode( ',', array_unique( array_keys( $this->get_items() ) ) );
-        update_post_meta( $this->get_id(), '_wpinv_item_ids', $item_ids );
+        $item_ids = implode(',', array_unique(array_keys($this->get_items())));
+        update_post_meta($this->get_id(), '_wpinv_item_ids', $item_ids);
 	}
 
 	/**
 	 * @deprecated
 	 */
-	public function update_items( $temp = false ) {
+	public function update_items($temp = false) {
 
-		$this->set_items( $this->get_items() );
+		$this->set_items($this->get_items());
 
-		if ( ! $temp ) {
+		if (!$temp) {
 			$this->save();
 		}
 
@@ -3657,11 +3657,11 @@ 
 
         $discount_code = $this->get_discount_code();
 
-        if ( empty( $discount_code ) ) {
+        if (empty($discount_code)) {
             return false;
         }
 
-        $discount = wpinv_get_discount_obj( $discount_code );
+        $discount = wpinv_get_discount_obj($discount_code);
 
         // Ensure it is active.
         return $discount->exists();
@@ -3672,7 +3672,7 @@ 
 	 * Refunds an invoice.
 	 */
     public function refund() {
-		$this->set_status( 'wpi-refunded' );
+		$this->set_status('wpi-refunded');
         $this->save();
 	}
 
@@ -3681,56 +3681,56 @@ 
 	 * 
 	 * @param string $transaction_id
 	 */
-    public function mark_paid( $transaction_id = null, $note = '' ) {
+    public function mark_paid($transaction_id = null, $note = '') {
 
 		// Set the transaction id.
-		if ( empty( $transaction_id ) ) {
+		if (empty($transaction_id)) {
 			$transaction_id = $this->generate_key('trans_');
 		}
 
-		if ( ! $this->get_transaction_id() ) {
-			$this->set_transaction_id( $transaction_id );
+		if (!$this->get_transaction_id()) {
+			$this->set_transaction_id($transaction_id);
 		}
 
-		if ( $this->is_paid() && 'wpi-processing' != $this->get_status() ) {
+		if ($this->is_paid() && 'wpi-processing' != $this->get_status()) {
 			return $this->save();
 		}
 
 		// Set the completed date.
-		$this->set_date_completed( current_time( 'mysql' ) );
+		$this->set_date_completed(current_time('mysql'));
 
 		// Set the new status.
-		if ( $this->is_renewal() ) {
+		if ($this->is_renewal()) {
 
 			$_note = sprintf(
-				__( 'Renewed via %s', 'invoicing' ),
-				$this->get_gateway_title() . empty( $note ) ? '' : " ($note)"
+				__('Renewed via %s', 'invoicing'),
+				$this->get_gateway_title() . empty($note) ? '' : " ($note)"
 			);
 
-			if ( 'none' == $this->get_gateway() ) {
+			if ('none' == $this->get_gateway()) {
 				$_note = $note;
 			}
 
-			$this->set_status( 'wpi-renewal', $_note );
+			$this->set_status('wpi-renewal', $_note);
 
 		} else {
 
 			$_note = sprintf(
-				__( 'Paid via %s', 'invoicing' ),
-				$this->get_gateway_title() . empty( $note ) ? '' : " ($note)"
+				__('Paid via %s', 'invoicing'),
+				$this->get_gateway_title() . empty($note) ? '' : " ($note)"
 			);
 
-			if ( 'none' == $this->get_gateway() ) {
+			if ('none' == $this->get_gateway()) {
 				$_note = $note;
 			}
 
-			$this->set_status( 'publish',$_note );
+			$this->set_status('publish', $_note);
 
 		}
 
 		// Set checkout mode.
-		$mode = wpinv_is_test_mode( $this->get_gateway() ) ? 'test' : 'live';
-		$this->set_mode( $mode );
+		$mode = wpinv_is_test_mode($this->get_gateway()) ? 'test' : 'live';
+		$this->set_mode($mode);
 
 		// Save the invoice.
         $this->save();
@@ -3756,9 +3756,9 @@ 
      * Clears the subscription's cache.
      */
     public function clear_cache() {
-		wp_cache_delete( $this->get_key(), 'getpaid_invoice_keys_to_invoice_ids' );
-		wp_cache_delete( $this->get_number(), 'getpaid_invoice_numbers_to_invoice_ids' );
-		wp_cache_delete( $this->get_transaction_id(), 'getpaid_invoice_transaction_ids_to_invoice_ids' );
+		wp_cache_delete($this->get_key(), 'getpaid_invoice_keys_to_invoice_ids');
+		wp_cache_delete($this->get_number(), 'getpaid_invoice_numbers_to_invoice_ids');
+		wp_cache_delete($this->get_transaction_id(), 'getpaid_invoice_transaction_ids_to_invoice_ids');
 	}
 
 }

widgets/invoice-history.php

Indentation +9 added lines, -9 removed lines

@@ -44,15 +44,15 @@
         parent::__construct( $options );
     }
 
-	/**
-	 * The Super block output function.
-	 *
-	 * @param array $args
-	 * @param array $widget_args
-	 * @param string $content
-	 *
-	 * @return mixed|string|bool
-	 */
+    /**
+     * The Super block output function.
+     *
+     * @param array $args
+     * @param array $widget_args
+     * @param string $content
+     *
+     * @return mixed|string|bool
+     */
     public function output( $args = array(), $widget_args = array(), $content = '' ) {
         return getpaid_invoice_history();
     }

Spacing +7 added lines, -7 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
     exit;
 }
 
@@ -22,15 +22,15 @@ 
             'block-keywords'=> "['invoicing','history']",
             'class_name'     => __CLASS__,
             'base_id'       => 'wpinv_history',
-            'name'          => __('GetPaid > Invoice History','invoicing'),
+            'name'          => __('GetPaid > Invoice History', 'invoicing'),
             'widget_ops'    => array(
                 'classname'   => 'wpinv-history-class bsui',
-                'description' => esc_html__('Displays invoice history.','invoicing'),
+                'description' => esc_html__('Displays invoice history.', 'invoicing'),
             ),
             'arguments'     => array(
                 'title'  => array(
-                    'title'       => __( 'Widget title', 'invoicing' ),
-                    'desc'        => __( 'Enter widget title.', 'invoicing' ),
+                    'title'       => __('Widget title', 'invoicing'),
+                    'desc'        => __('Enter widget title.', 'invoicing'),
                     'type'        => 'text',
                     'desc_tip'    => true,
                     'default'     => '',
@@ -41,7 +41,7 @@ 
         );
 
 
-        parent::__construct( $options );
+        parent::__construct($options);
     }
 
 	/**
@@ -53,7 +53,7 @@ 
 	 *
 	 * @return mixed|string|bool
 	 */
-    public function output( $args = array(), $widget_args = array(), $content = '' ) {
+    public function output($args = array(), $widget_args = array(), $content = '') {
         return getpaid_invoice_history();
     }
 

widgets/invoice-receipt.php

Indentation +9 added lines, -9 removed lines

@@ -44,15 +44,15 @@
         parent::__construct( $options );
     }
 
-	/**
-	 * The Super block output function.
-	 *
-	 * @param array $args
-	 * @param array $widget_args
-	 * @param string $content
-	 *
-	 * @return mixed|string|bool
-	 */
+    /**
+     * The Super block output function.
+     *
+     * @param array $args
+     * @param array $widget_args
+     * @param string $content
+     *
+     * @return mixed|string|bool
+     */
     public function output( $args = array(), $widget_args = array(), $content = '' ) {
         return wpinv_payment_receipt();
     }

Spacing +7 added lines, -7 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
     exit;
 }
 
@@ -22,15 +22,15 @@ 
             'block-keywords'=> "['invoicing','receipt']",
             'class_name'     => __CLASS__,
             'base_id'       => 'wpinv_receipt',
-            'name'          => __('GetPaid > Invoice Receipt','invoicing'),
+            'name'          => __('GetPaid > Invoice Receipt', 'invoicing'),
             'widget_ops'    => array(
                 'classname'   => 'wpinv-receipt-class bsui',
-                'description' => esc_html__('Displays invoice receipt after checkout.','invoicing'),
+                'description' => esc_html__('Displays invoice receipt after checkout.', 'invoicing'),
             ),
             'arguments'     => array(
                 'title'  => array(
-                    'title'       => __( 'Widget title', 'invoicing' ),
-                    'desc'        => __( 'Enter widget title.', 'invoicing' ),
+                    'title'       => __('Widget title', 'invoicing'),
+                    'desc'        => __('Enter widget title.', 'invoicing'),
                     'type'        => 'text',
                     'desc_tip'    => true,
                     'default'     => '',
@@ -41,7 +41,7 @@ 
         );
 
 
-        parent::__construct( $options );
+        parent::__construct($options);
     }
 
 	/**
@@ -53,7 +53,7 @@ 
 	 *
 	 * @return mixed|string|bool
 	 */
-    public function output( $args = array(), $widget_args = array(), $content = '' ) {
+    public function output($args = array(), $widget_args = array(), $content = '') {
         return wpinv_payment_receipt();
     }
 

includes/libraries/wpinv-euvat/class-wpinv-euvat.php

Indentation +31 added lines, -31 removed lines

@@ -394,15 +394,15 @@ 
     }
 
     /**
-	 * Fetches the database from the MaxMind service.
-	 *
-	 * @param string $license_key The license key to be used when downloading the database.
-	 */
+     * Fetches the database from the MaxMind service.
+     *
+     * @param string $license_key The license key to be used when downloading the database.
+     */
     public static function geoip2_download_database() {
 
         // Allow us to easily interact with the filesystem.
         require_once ABSPATH . 'wp-admin/includes/file.php';
-		WP_Filesystem();
+        WP_Filesystem();
         global $wp_filesystem;
 
         $license_key = wpinv_get_option( 'maxmind_license_key' );
@@ -433,7 +433,7 @@ 
             }
 
             // Move the new database into position.
-		    $wp_filesystem->move( $database_path, $target_path, true );
+            $wp_filesystem->move( $database_path, $target_path, true );
             $wp_filesystem->delete( dirname( $database_path ) );
 
             wpinv_update_option( 'wpinv_geoip2_date_updated', current_time( 'timestamp' ) );
@@ -452,16 +452,16 @@ 
 
         // The download URI of the database.
         $source_url = add_query_arg(
-			array(
+            array(
                 'license_key' => urlencode( sanitize_text_field( $license_key ) ),
                 'edition_id'  => $database,
-				'suffix'      => 'tar.gz',
-			),
-			'https://download.maxmind.com/app/geoip_download'
+                'suffix'      => 'tar.gz',
+            ),
+            'https://download.maxmind.com/app/geoip_download'
         );
 
         // Needed for the download_url call right below.
-		require_once ABSPATH . 'wp-admin/includes/file.php';
+        require_once ABSPATH . 'wp-admin/includes/file.php';
 
         // Download the file.
         $tmp_archive_path = download_url( esc_url_raw( $source_url ) );
@@ -470,16 +470,16 @@ 
         if ( is_wp_error( $tmp_archive_path ) ) {
 
             // Transform the error into something more informative.
-			$error_data = $tmp_archive_path->get_error_data();
-			if ( isset( $error_data['code'] ) ) {
-				switch ( $error_data['code'] ) {
-					case 401:
-						return new WP_Error(
-							'invoicing_maxmind_geolocation_database_license_key',
-							__( 'The MaxMind license key is invalid. If you have recently created this key, you may need to wait for it to become active.', 'invoicing' )
-						);
-				}
-			}
+            $error_data = $tmp_archive_path->get_error_data();
+            if ( isset( $error_data['code'] ) ) {
+                switch ( $error_data['code'] ) {
+                    case 401:
+                        return new WP_Error(
+                            'invoicing_maxmind_geolocation_database_license_key',
+                            __( 'The MaxMind license key is invalid. If you have recently created this key, you may need to wait for it to become active.', 'invoicing' )
+                        );
+                }
+            }
 
             return new WP_Error( 'invoicing_maxmind_geolocation_database_download', __( 'Failed to download the MaxMind database.', 'invoicing' ) );
 
@@ -487,19 +487,19 @@ 
 
         // Extract the database from the archive.
         try {
-			$file      = new PharData( $tmp_archive_path );
+            $file      = new PharData( $tmp_archive_path );
             $file_path = trailingslashit( dirname( $tmp_archive_path ) ) . trailingslashit( $file->current()->getFilename() ) . $database . '.mmdb';
 
-			$file->extractTo(
-				dirname( $tmp_archive_path ),
-				trailingslashit( $file->current()->getFilename() ) . $database . '.mmdb',
-				true
+            $file->extractTo(
+                dirname( $tmp_archive_path ),
+                trailingslashit( $file->current()->getFilename() ) . $database . '.mmdb',
+                true
             );
 
-		} catch ( Exception $exception ) {
-			return new WP_Error( 'invoicing_maxmind_geolocation_database_archive', $exception->getMessage() );
-		} finally {
-			// Remove the archive since we only care about a single file in it.
+        } catch ( Exception $exception ) {
+            return new WP_Error( 'invoicing_maxmind_geolocation_database_archive', $exception->getMessage() );
+        } finally {
+            // Remove the archive since we only care about a single file in it.
             unlink( $tmp_archive_path );
         }
 
@@ -1862,7 +1862,7 @@ 
         $valid_company = $vies_company && $company && ( $vies_company == '---' || strcasecmp( trim( $vies_company ), trim( $company ) ) == 0 ) ? true : false;
 
         if ( ! $valid_company && ! empty( $wpinv_options['vat_disable_company_name_check'] ) ) {
-           return wp_sprintf(
+            return wp_sprintf(
                 __( 'The company name associated with the %s number provided is not the same as the company name provided.', 'invoicing' ),
                 getpaid_vat_name()
             );

Braces +7 added lines, -5 removed lines

@@ -712,7 +712,7 @@ 
                 if ( !empty( $load_xml ) && !empty( $load_xml->geoplugin_countryCode ) ) {
                     $wpinv_ip_address_country = (string)$load_xml->geoplugin_countryCode;
                 }
-            }elseif(!empty( $ip )){
+            } elseif(!empty( $ip )){
                 $url = 'http://ip-api.com/json/' . $ip;
                 $response = wp_remote_get($url);
 
@@ -1513,16 +1513,18 @@ 
 
         if ( !empty( $tax_rates ) ) {
             foreach ( $tax_rates as $key => $tax_rate ) {
-                if ( $country != $tax_rate['country'] )
-                    continue;
+                if ( $country != $tax_rate['country'] ) {
+                                    continue;
+                }
 
                 if ( !empty( $tax_rate['global'] ) ) {
                     if ( 0 !== $tax_rate['rate'] || !empty( $tax_rate['rate'] ) ) {
                         $rate = number_format( $tax_rate['rate'], 4 );
                     }
                 } else {
-                    if ( empty( $tax_rate['state'] ) || strtolower( $state ) != strtolower( $tax_rate['state'] ) )
-                        continue;
+                    if ( empty( $tax_rate['state'] ) || strtolower( $state ) != strtolower( $tax_rate['state'] ) ) {
+                                            continue;
+                    }
 
                     $state_rate = $tax_rate['rate'];
                     if ( 0 !== $state_rate || !empty( $state_rate ) ) {

Spacing +639 added lines, -639 removed lines

@@ -4,7 +4,7 @@ 
  *
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 class WPInv_EUVat {
 
@@ -24,128 +24,128 @@ 
     public function init() {
 
         // If this is an admin page...
-        if ( is_admin() ) {
+        if (is_admin()) {
 
             // Register our scripts.
-            add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_admin_scripts' ) );
-            add_action( 'wpinv_settings_sections_taxes', array( $this, 'section_vat_settings' ) );
-            add_action( 'wpinv_settings_taxes', array( $this, 'vat_settings' ) );
-            add_filter( 'wpinv_settings_taxes-vat_sanitize', array( $this, 'sanitize_vat_settings' ) );
-            add_filter( 'wpinv_settings_taxes-vat_rates_sanitize', array( $this, 'sanitize_vat_rates' ) );
-            add_action( 'wp_ajax_wpinv_add_vat_class', array( $this, 'add_class' ) );
-            add_action( 'wp_ajax_nopriv_wpinv_add_vat_class', array( $this, 'add_class' ) );
-            add_action( 'wp_ajax_wpinv_delete_vat_class', array( $this, 'delete_class' ) );
-            add_action( 'wp_ajax_nopriv_wpinv_delete_vat_class', array( $this, 'delete_class' ) );
-            add_action( 'wp_ajax_wpinv_update_vat_rates', array( $this, 'update_eu_rates' ) );
-            add_action( 'wp_ajax_nopriv_wpinv_update_vat_rates', array( $this, 'update_eu_rates' ) );
-            add_action( 'wp_ajax_wpinv_geoip2', array( $this, 'geoip2_download_database' ) );
-            add_action( 'wp_ajax_nopriv_wpinv_geoip2', array( $this, 'geoip2_download_database' ) );
+            add_action('admin_enqueue_scripts', array($this, 'enqueue_admin_scripts'));
+            add_action('wpinv_settings_sections_taxes', array($this, 'section_vat_settings'));
+            add_action('wpinv_settings_taxes', array($this, 'vat_settings'));
+            add_filter('wpinv_settings_taxes-vat_sanitize', array($this, 'sanitize_vat_settings'));
+            add_filter('wpinv_settings_taxes-vat_rates_sanitize', array($this, 'sanitize_vat_rates'));
+            add_action('wp_ajax_wpinv_add_vat_class', array($this, 'add_class'));
+            add_action('wp_ajax_nopriv_wpinv_add_vat_class', array($this, 'add_class'));
+            add_action('wp_ajax_wpinv_delete_vat_class', array($this, 'delete_class'));
+            add_action('wp_ajax_nopriv_wpinv_delete_vat_class', array($this, 'delete_class'));
+            add_action('wp_ajax_wpinv_update_vat_rates', array($this, 'update_eu_rates'));
+            add_action('wp_ajax_nopriv_wpinv_update_vat_rates', array($this, 'update_eu_rates'));
+            add_action('wp_ajax_wpinv_geoip2', array($this, 'geoip2_download_database'));
+            add_action('wp_ajax_nopriv_wpinv_geoip2', array($this, 'geoip2_download_database'));
         }
 
-        add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_vat_scripts' ) );
-        add_filter( 'wpinv_default_billing_country', array( $this, 'get_user_country' ), 10 );
-        add_filter( 'wpinv_get_user_country', array( $this, 'set_user_country' ), 10 );
-        add_action( 'wp_ajax_wpinv_vat_validate', array( $this, 'ajax_vat_validate' ) );
-        add_action( 'wp_ajax_nopriv_wpinv_vat_validate', array( $this, 'ajax_vat_validate' ) );
+        add_action('wp_enqueue_scripts', array($this, 'enqueue_vat_scripts'));
+        add_filter('wpinv_default_billing_country', array($this, 'get_user_country'), 10);
+        add_filter('wpinv_get_user_country', array($this, 'set_user_country'), 10);
+        add_action('wp_ajax_wpinv_vat_validate', array($this, 'ajax_vat_validate'));
+        add_action('wp_ajax_nopriv_wpinv_vat_validate', array($this, 'ajax_vat_validate'));
 
-        if ( wpinv_use_taxes() && self::allow_vat_rules() ) {
-            add_filter( 'wpinv_tax_rate', array( $this, 'get_rate' ), 10, 4 );
+        if (wpinv_use_taxes() && self::allow_vat_rules()) {
+            add_filter('wpinv_tax_rate', array($this, 'get_rate'), 10, 4);
         }
     }
 
-    public static function get_eu_states( $sort = true ) {
-        $eu_states = array( 'AT', 'BE', 'BG', 'HR', 'CY', 'CZ', 'DK', 'EE', 'FI', 'FR', 'DE', 'GB', 'GR', 'HU', 'IE', 'IT', 'LV', 'LT', 'LU', 'MT', 'NL', 'PL', 'PT', 'RO', 'SK', 'SI', 'ES', 'SE' );
-        if ( $sort ) {
-            $sort = sort( $eu_states );
+    public static function get_eu_states($sort = true) {
+        $eu_states = array('AT', 'BE', 'BG', 'HR', 'CY', 'CZ', 'DK', 'EE', 'FI', 'FR', 'DE', 'GB', 'GR', 'HU', 'IE', 'IT', 'LV', 'LT', 'LU', 'MT', 'NL', 'PL', 'PT', 'RO', 'SK', 'SI', 'ES', 'SE');
+        if ($sort) {
+            $sort = sort($eu_states);
         }
 
-        return apply_filters( 'wpinv_get_eu_states', $eu_states, $sort );
+        return apply_filters('wpinv_get_eu_states', $eu_states, $sort);
     }
 
-    public static function get_gst_countries( $sort = true ) {
-        $gst_countries  = array( 'AU', 'NZ', 'CA', 'CN' );
+    public static function get_gst_countries($sort = true) {
+        $gst_countries = array('AU', 'NZ', 'CA', 'CN');
 
-        if ( $sort ) {
-            $sort = sort( $gst_countries );
+        if ($sort) {
+            $sort = sort($gst_countries);
         }
 
-        return apply_filters( 'wpinv_get_gst_countries', $gst_countries, $sort );
+        return apply_filters('wpinv_get_gst_countries', $gst_countries, $sort);
     }
 
-    public static function is_eu_state( $country_code ) {
-        $return = !empty( $country_code ) && in_array( strtoupper( $country_code ), self::get_eu_states() ) ? true : false;
+    public static function is_eu_state($country_code) {
+        $return = !empty($country_code) && in_array(strtoupper($country_code), self::get_eu_states()) ? true : false;
 
-        return apply_filters( 'wpinv_is_eu_state', $return, $country_code );
+        return apply_filters('wpinv_is_eu_state', $return, $country_code);
     }
 
-    public static function is_gst_country( $country_code ) {
-        $return = !empty( $country_code ) && in_array( strtoupper( $country_code ), self::get_gst_countries() ) ? true : false;
+    public static function is_gst_country($country_code) {
+        $return = !empty($country_code) && in_array(strtoupper($country_code), self::get_gst_countries()) ? true : false;
 
-        return apply_filters( 'wpinv_is_gst_country', $return, $country_code );
+        return apply_filters('wpinv_is_gst_country', $return, $country_code);
     }
 
     public function enqueue_vat_scripts() {
-        if( wpinv_use_taxes() && wpinv_get_option( 'apply_vat_rules' ) ) {
+        if (wpinv_use_taxes() && wpinv_get_option('apply_vat_rules')) {
             $this->load_vat_scripts();
         }
     }
 
-    public function load_vat_scripts(){
-        $suffix     = '';//defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
+    public function load_vat_scripts() {
+        $suffix = ''; //defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
 
-        wp_register_script( 'wpinv-vat-validation-script', WPINV_PLUGIN_URL . 'assets/js/jsvat' . $suffix . '.js', array( 'jquery' ),  WPINV_VERSION );
-        wp_register_script( 'wpinv-vat-script', WPINV_PLUGIN_URL . 'assets/js/euvat' . $suffix . '.js', array( 'jquery' ),  WPINV_VERSION );
+        wp_register_script('wpinv-vat-validation-script', WPINV_PLUGIN_URL . 'assets/js/jsvat' . $suffix . '.js', array('jquery'), WPINV_VERSION);
+        wp_register_script('wpinv-vat-script', WPINV_PLUGIN_URL . 'assets/js/euvat' . $suffix . '.js', array('jquery'), WPINV_VERSION);
 
-        $vat_name   = $this->get_vat_name();
+        $vat_name = $this->get_vat_name();
 
         $vars = array();
         $vars['UseTaxes'] = wpinv_use_taxes();
         $vars['EUStates'] = self::get_eu_states();
-        $vars['NoRateSet'] = __( 'You have not set a rate. Do you want to continue?', 'invoicing' );
-        $vars['EmptyCompany'] = __( 'Please enter your registered company name!', 'invoicing' );
-        $vars['EmptyVAT'] = wp_sprintf( __( 'Please enter your %s number!', 'invoicing' ), $vat_name );
-        $vars['TotalsRefreshed'] = wp_sprintf( __( 'The invoice totals will be refreshed to update the %s.', 'invoicing' ), $vat_name );
-        $vars['ErrValidateVAT'] = wp_sprintf( __( 'Fail to validate the %s number!', 'invoicing' ), $vat_name );
-        $vars['ErrResetVAT'] = wp_sprintf( __( 'Fail to reset the %s number!', 'invoicing' ), $vat_name );
-        $vars['ErrInvalidVat'] = wp_sprintf( __( 'The %s number supplied does not have a valid format!', 'invoicing' ), $vat_name );
-        $vars['ErrInvalidResponse'] = __( 'An invalid response has been received from the server!', 'invoicing' );
+        $vars['NoRateSet'] = __('You have not set a rate. Do you want to continue?', 'invoicing');
+        $vars['EmptyCompany'] = __('Please enter your registered company name!', 'invoicing');
+        $vars['EmptyVAT'] = wp_sprintf(__('Please enter your %s number!', 'invoicing'), $vat_name);
+        $vars['TotalsRefreshed'] = wp_sprintf(__('The invoice totals will be refreshed to update the %s.', 'invoicing'), $vat_name);
+        $vars['ErrValidateVAT'] = wp_sprintf(__('Fail to validate the %s number!', 'invoicing'), $vat_name);
+        $vars['ErrResetVAT'] = wp_sprintf(__('Fail to reset the %s number!', 'invoicing'), $vat_name);
+        $vars['ErrInvalidVat'] = wp_sprintf(__('The %s number supplied does not have a valid format!', 'invoicing'), $vat_name);
+        $vars['ErrInvalidResponse'] = __('An invalid response has been received from the server!', 'invoicing');
         $vars['ApplyVATRules'] = $vars['UseTaxes'] ? self::allow_vat_rules() : false;
         $vars['HideVatFields'] = $vars['ApplyVATRules'] ? self::hide_vat_fields() : true;
-        $vars['ErrResponse'] = __( 'The request response is invalid!', 'invoicing' );
-        $vars['ErrRateResponse'] = __( 'The get rate request response is invalid', 'invoicing' );
-        $vars['PageRefresh'] = __( 'The page will be refreshed in 10 seconds to show the new options.', 'invoicing' );
-        $vars['RequestResponseNotValidJSON'] = __( 'The get rate request response is not valid JSON', 'invoicing' );
-        $vars['GetRateRequestFailed'] = __( 'The get rate request failed: ', 'invoicing' );
-        $vars['NoRateInformationInResponse'] = __( 'The get rate request response does not contain any rate information', 'invoicing' );
-        $vars['RatesUpdated'] = __( 'The rates have been updated. Press the save button to record these new rates.', 'invoicing' );
-        $vars['IPAddressInformation'] = __( 'IP Address Information', 'invoicing' );
-        $vars['VatValidating'] = wp_sprintf( __( 'Validating %s number...', 'invoicing' ), $vat_name );
-        $vars['VatReseting'] = __( 'Reseting...', 'invoicing' );
-        $vars['VatValidated'] = wp_sprintf( __( '%s number validated', 'invoicing' ), $vat_name );
-        $vars['VatNotValidated'] = wp_sprintf( __( '%s number not validated', 'invoicing' ), $vat_name );
-        $vars['ConfirmDeleteClass'] = __( 'Are you sure you wish to delete this rates class?', 'invoicing' );
+        $vars['ErrResponse'] = __('The request response is invalid!', 'invoicing');
+        $vars['ErrRateResponse'] = __('The get rate request response is invalid', 'invoicing');
+        $vars['PageRefresh'] = __('The page will be refreshed in 10 seconds to show the new options.', 'invoicing');
+        $vars['RequestResponseNotValidJSON'] = __('The get rate request response is not valid JSON', 'invoicing');
+        $vars['GetRateRequestFailed'] = __('The get rate request failed: ', 'invoicing');
+        $vars['NoRateInformationInResponse'] = __('The get rate request response does not contain any rate information', 'invoicing');
+        $vars['RatesUpdated'] = __('The rates have been updated. Press the save button to record these new rates.', 'invoicing');
+        $vars['IPAddressInformation'] = __('IP Address Information', 'invoicing');
+        $vars['VatValidating'] = wp_sprintf(__('Validating %s number...', 'invoicing'), $vat_name);
+        $vars['VatReseting'] = __('Reseting...', 'invoicing');
+        $vars['VatValidated'] = wp_sprintf(__('%s number validated', 'invoicing'), $vat_name);
+        $vars['VatNotValidated'] = wp_sprintf(__('%s number not validated', 'invoicing'), $vat_name);
+        $vars['ConfirmDeleteClass'] = __('Are you sure you wish to delete this rates class?', 'invoicing');
         $vars['isFront'] = is_admin() ? false : true;
         $vars['baseCountry'] = wpinv_get_default_country();
-        $vars['disableVATSameCountry'] = ( self::same_country_rule() == 'no' ? true : false );
-        $vars['disableVATSimpleCheck'] = wpinv_get_option( 'vat_offline_check' ) ? true : false;
+        $vars['disableVATSameCountry'] = (self::same_country_rule() == 'no' ? true : false);
+        $vars['disableVATSimpleCheck'] = wpinv_get_option('vat_offline_check') ? true : false;
 
-        wp_enqueue_script( 'wpinv-vat-validation-script' );
-        wp_enqueue_script( 'wpinv-vat-script' );
-        wp_localize_script( 'wpinv-vat-script', 'WPInv_VAT_Vars', $vars );
+        wp_enqueue_script('wpinv-vat-validation-script');
+        wp_enqueue_script('wpinv-vat-script');
+        wp_localize_script('wpinv-vat-script', 'WPInv_VAT_Vars', $vars);
     }
 
     public static function enqueue_admin_scripts() {
-        if( isset( $_GET['page'] ) && 'wpinv-settings' == $_GET['page'] ) {
+        if (isset($_GET['page']) && 'wpinv-settings' == $_GET['page']) {
             self::load_vat_scripts();
         }
     }
 
-    public static function section_vat_settings( $sections ) {
-        if ( !empty( $sections ) ) {
-            $sections['vat'] = __( 'EU VAT Settings', 'invoicing' );
+    public static function section_vat_settings($sections) {
+        if (!empty($sections)) {
+            $sections['vat'] = __('EU VAT Settings', 'invoicing');
 
-            if ( self::allow_vat_classes() ) {
-                $sections['vat_rates'] = __( 'EU VAT Rates', 'invoicing' );
+            if (self::allow_vat_classes()) {
+                $sections['vat_rates'] = __('EU VAT Rates', 'invoicing');
             }
         }
         return $sections;
@@ -154,52 +154,52 @@ 
     public static function vat_rates_settings() {
         $vat_classes = self::get_rate_classes();
         $vat_rates = array();
-        $vat_class = isset( $_REQUEST['wpi_sub'] ) && $_REQUEST['wpi_sub'] !== '' && isset( $vat_classes[$_REQUEST['wpi_sub']] )? sanitize_text_field( $_REQUEST['wpi_sub'] ) : '_new';
-        $current_url = remove_query_arg( 'wpi_sub' );
+        $vat_class = isset($_REQUEST['wpi_sub']) && $_REQUEST['wpi_sub'] !== '' && isset($vat_classes[$_REQUEST['wpi_sub']]) ? sanitize_text_field($_REQUEST['wpi_sub']) : '_new';
+        $current_url = remove_query_arg('wpi_sub');
 
         $vat_rates['vat_rates_header'] = array(
             'id' => 'vat_rates_header',
-            'name' => '<h3>' . __( 'Manage VAT Rates', 'invoicing' ) . '</h3>',
+            'name' => '<h3>' . __('Manage VAT Rates', 'invoicing') . '</h3>',
             'desc' => '',
             'type' => 'header',
             'size' => 'regular'
         );
         $vat_rates['vat_rates_class'] = array(
             'id'          => 'vat_rates_class',
-            'name'        => __( 'Edit VAT Rates', 'invoicing' ),
-            'desc'        => __( 'The standard rate will apply where no explicit rate is provided.', 'invoicing' ),
+            'name'        => __('Edit VAT Rates', 'invoicing'),
+            'desc'        => __('The standard rate will apply where no explicit rate is provided.', 'invoicing'),
             'type'        => 'select',
-            'options'     => array_merge( $vat_classes, array( '_new' => __( 'Add New Rate Class', 'invoicing' ) ) ),
-            'placeholder' => __( 'Select a VAT Rate', 'invoicing' ),
+            'options'     => array_merge($vat_classes, array('_new' => __('Add New Rate Class', 'invoicing'))),
+            'placeholder' => __('Select a VAT Rate', 'invoicing'),
             'selected'    => $vat_class,
             'class'       => 'wpi_select2',
             'onchange'    => 'document.location.href="' . $current_url . '&wpi_sub=" + this.value;',
         );
 
-        if ( $vat_class != '_standard' && $vat_class != '_new' ) {
+        if ($vat_class != '_standard' && $vat_class != '_new') {
             $vat_rates['vat_rate_delete'] = array(
                 'id'   => 'vat_rate_delete',
                 'type' => 'vat_rate_delete',
             );
         }
 
-        if ( $vat_class == '_new' ) {
+        if ($vat_class == '_new') {
             $vat_rates['vat_rates_settings'] = array(
                 'id' => 'vat_rates_settings',
-                'name' => '<h3>' . __( 'Add New Rate Class', 'invoicing' ) . '</h3>',
+                'name' => '<h3>' . __('Add New Rate Class', 'invoicing') . '</h3>',
                 'type' => 'header',
             );
             $vat_rates['vat_rate_name'] = array(
                 'id'   => 'vat_rate_name',
-                'name' => __( 'Name', 'invoicing' ),
-                'desc' => __( 'A short name for the new VAT Rate class', 'invoicing' ),
+                'name' => __('Name', 'invoicing'),
+                'desc' => __('A short name for the new VAT Rate class', 'invoicing'),
                 'type' => 'text',
                 'size' => 'regular',
             );
             $vat_rates['vat_rate_desc'] = array(
                 'id'   => 'vat_rate_desc',
-                'name' => __( 'Description', 'invoicing' ),
-                'desc' => __( 'Manage VAT Rate class', 'invoicing' ),
+                'name' => __('Description', 'invoicing'),
+                'desc' => __('Manage VAT Rate class', 'invoicing'),
                 'type' => 'text',
                 'size' => 'regular',
             );
@@ -211,7 +211,7 @@ 
             $vat_rates['vat_rates'] = array(
                 'id'   => 'vat_rates',
                 'name' => '<h3>' . $vat_classes[$vat_class] . '</h3>',
-                'desc' => self::get_class_desc( $vat_class ),
+                'desc' => self::get_class_desc($vat_class),
                 'type' => 'vat_rates',
             );
         }
@@ -219,12 +219,12 @@ 
         return $vat_rates;
     }
 
-    public static function vat_settings( $settings ) {
-        if ( !empty( $settings ) ) {
+    public static function vat_settings($settings) {
+        if (!empty($settings)) {
             $vat_settings = array();
             $vat_settings['vat_company_title'] = array(
                 'id' => 'vat_company_title',
-                'name' => '<h3>' . __( 'Your Company Details', 'invoicing' ) . '</h3>',
+                'name' => '<h3>' . __('Your Company Details', 'invoicing') . '</h3>',
                 'desc' => '',
                 'type' => 'header',
                 'size' => 'regular'
@@ -232,22 +232,22 @@ 
 
             $vat_settings['vat_company_name'] = array(
                 'id' => 'vat_company_name',
-                'name' => __( 'Your Company Name', 'invoicing' ),
-                'desc' => wp_sprintf(__( 'Your company name as it appears on your VAT return, you can verify it via your VAT ID on the %sEU VIES System.%s', 'invoicing' ), '<a href="http://ec.europa.eu/taxation_customs/vies/" target="_blank">', '</a>' ),
+                'name' => __('Your Company Name', 'invoicing'),
+                'desc' => wp_sprintf(__('Your company name as it appears on your VAT return, you can verify it via your VAT ID on the %sEU VIES System.%s', 'invoicing'), '<a href="http://ec.europa.eu/taxation_customs/vies/" target="_blank">', '</a>'),
                 'type' => 'text',
                 'size' => 'regular',
             );
 
             $vat_settings['vat_number'] = array(
                 'id'   => 'vat_number',
-                'name' => __( 'Your VAT Number', 'invoicing' ),
+                'name' => __('Your VAT Number', 'invoicing'),
                 'type' => 'vat_number',
                 'size' => 'regular',
             );
 
             $vat_settings['vat_settings_title'] = array(
                 'id' => 'vat_settings_title',
-                'name' => '<h3>' . __( 'Apply VAT Settings', 'invoicing' ) . '</h3>',
+                'name' => '<h3>' . __('Apply VAT Settings', 'invoicing') . '</h3>',
                 'desc' => '',
                 'type' => 'header',
                 'size' => 'regular'
@@ -255,8 +255,8 @@ 
 
             $vat_settings['apply_vat_rules'] = array(
                 'id' => 'apply_vat_rules',
-                'name' => __( 'Enable VAT Rules', 'invoicing' ),
-                'desc' => __( 'Apply VAT to consumer sales from IP addresses within the EU, even if the billing address is outside the EU.', 'invoicing' ) . '<br><font style="color:red">' . __( 'Do not disable unless you know what you are doing.', 'invoicing' ) . '</font>',
+                'name' => __('Enable VAT Rules', 'invoicing'),
+                'desc' => __('Apply VAT to consumer sales from IP addresses within the EU, even if the billing address is outside the EU.', 'invoicing') . '<br><font style="color:red">' . __('Do not disable unless you know what you are doing.', 'invoicing') . '</font>',
                 'type' => 'checkbox',
                 'std' => '1'
             );
@@ -272,8 +272,8 @@ 
 
             $vat_settings['vat_prevent_b2c_purchase'] = array(
                 'id' => 'vat_prevent_b2c_purchase',
-                'name' => __( 'Prevent EU B2C Sales', 'invoicing' ),
-                'desc' => __( 'Enable this option if you are not registered for VAT in the EU.', 'invoicing' ),
+                'name' => __('Prevent EU B2C Sales', 'invoicing'),
+                'desc' => __('Enable this option if you are not registered for VAT in the EU.', 'invoicing'),
                 'type' => 'checkbox'
             );
 
@@ -281,22 +281,22 @@ 
 
             $vat_settings['vat_same_country_rule'] = array(
                 'id'          => 'vat_same_country_rule',
-                'name'        => __( 'Same Country Rule', 'invoicing' ),
-                'desc'        => __( 'Select how you want to handle VAT charge if sales are in the same country as the base country.', 'invoicing' ),
+                'name'        => __('Same Country Rule', 'invoicing'),
+                'desc'        => __('Select how you want to handle VAT charge if sales are in the same country as the base country.', 'invoicing'),
                 'type'        => 'select',
                 'options'     => array(
-                    ''          => __( 'Normal', 'invoicing' ),
-                    'no'        => __( 'No VAT', 'invoicing' ),
-                    'always'    => __( 'Always apply VAT', 'invoicing' ),
+                    ''          => __('Normal', 'invoicing'),
+                    'no'        => __('No VAT', 'invoicing'),
+                    'always'    => __('Always apply VAT', 'invoicing'),
                 ),
-                'placeholder' => __( 'Select an option', 'invoicing' ),
+                'placeholder' => __('Select an option', 'invoicing'),
                 'std'         => '',
                 'class'   => 'wpi_select2',
             );
 
             $vat_settings['vat_checkout_title'] = array(
                 'id' => 'vat_checkout_title',
-                'name' => '<h3>' . __( 'Checkout Fields', 'invoicing' ) . '</h3>',
+                'name' => '<h3>' . __('Checkout Fields', 'invoicing') . '</h3>',
                 'desc' => '',
                 'type' => 'header',
                 'size' => 'regular'
@@ -304,22 +304,22 @@ 
 
             $vat_settings['vat_disable_fields'] = array(
                 'id' => 'vat_disable_fields',
-                'name' => __( 'Disable VAT Fields', 'invoicing' ),
-                'desc' => __( 'Disable VAT fields if Invoicing is being used for GST.', 'invoicing' ) . '<br><font style="color:red">' . __( 'Do not disable if you have enabled Prevent EU B2C sales, otherwise Prevent EU B2C sales setting will not work.', 'invoicing' ) . '</font>',
+                'name' => __('Disable VAT Fields', 'invoicing'),
+                'desc' => __('Disable VAT fields if Invoicing is being used for GST.', 'invoicing') . '<br><font style="color:red">' . __('Do not disable if you have enabled Prevent EU B2C sales, otherwise Prevent EU B2C sales setting will not work.', 'invoicing') . '</font>',
                 'type' => 'checkbox'
             );
 
             $vat_settings['maxmind_license_key'] = array(
                 'id'   => 'maxmind_license_key',
-                'name' => __( 'MaxMind License Key', 'invoicing' ),
+                'name' => __('MaxMind License Key', 'invoicing'),
                 'type' => 'text',
                 'size' => 'regular',
-                'desc' => '<a href="https://support.maxmind.com/account-faq/license-keys/how-do-i-generate-a-license-key/">' . __( 'The key that will be used when dealing with MaxMind Geolocation services.', 'invoicing' ) . '</a>',
+                'desc' => '<a href="https://support.maxmind.com/account-faq/license-keys/how-do-i-generate-a-license-key/">' . __('The key that will be used when dealing with MaxMind Geolocation services.', 'invoicing') . '</a>',
             );
 
             $vat_settings['vat_ip_lookup'] = array(
                 'id'   => 'vat_ip_lookup',
-                'name' => __( 'IP Country Look-up', 'invoicing' ),
+                'name' => __('IP Country Look-up', 'invoicing'),
                 'type' => 'vat_ip_lookup',
                 'size' => 'regular',
                 'std' => 'default',
@@ -328,14 +328,14 @@ 
 
             $vat_settings['vat_ip_country_default'] = array(
                 'id' => 'vat_ip_country_default',
-                'name' => __( 'Enable IP Country as Default', 'invoicing' ),
-                'desc' => __( 'Show the country of the users IP as the default country, otherwise the site default country will be used.', 'invoicing' ),
+                'name' => __('Enable IP Country as Default', 'invoicing'),
+                'desc' => __('Show the country of the users IP as the default country, otherwise the site default country will be used.', 'invoicing'),
                 'type' => 'checkbox'
             );
 
             $vat_settings['vies_validation_title'] = array(
                 'id' => 'vies_validation_title',
-                'name' => '<h3>' . __( 'VIES Validation', 'invoicing' ) . '</h3>',
+                'name' => '<h3>' . __('VIES Validation', 'invoicing') . '</h3>',
                 'desc' => '',
                 'type' => 'header',
                 'size' => 'regular'
@@ -343,37 +343,37 @@ 
 
             $vat_settings['vat_vies_check'] = array(
                 'id' => 'vat_vies_check',
-                'name' => __( 'Disable VIES VAT ID Check', 'invoicing' ),
-                'desc' => wp_sprintf( __( 'Prevent VAT numbers from being validated by the %sEU VIES System.%s', 'invoicing' ), '<a href="http://ec.europa.eu/taxation_customs/vies/" target="_blank">', '</a>' ),
+                'name' => __('Disable VIES VAT ID Check', 'invoicing'),
+                'desc' => wp_sprintf(__('Prevent VAT numbers from being validated by the %sEU VIES System.%s', 'invoicing'), '<a href="http://ec.europa.eu/taxation_customs/vies/" target="_blank">', '</a>'),
                 'type' => 'checkbox'
             );
 
             $vat_settings['vat_disable_company_name_check'] = array(
                 'id' => 'vat_disable_company_name_check',
-                'name' => __( 'Disable VIES Name Check', 'invoicing' ),
-                'desc' => wp_sprintf( __( 'Prevent company name from being validated by the %sEU VIES System.%s', 'invoicing' ), '<a href="http://ec.europa.eu/taxation_customs/vies/" target="_blank">', '</a>' ),
+                'name' => __('Disable VIES Name Check', 'invoicing'),
+                'desc' => wp_sprintf(__('Prevent company name from being validated by the %sEU VIES System.%s', 'invoicing'), '<a href="http://ec.europa.eu/taxation_customs/vies/" target="_blank">', '</a>'),
                 'type' => 'checkbox'
             );
 
             $vat_settings['vat_offline_check'] = array(
                 'id' => 'vat_offline_check',
-                'name' => __( 'Disable Basic Checks', 'invoicing' ),
-                'desc' => __( 'Disable basic JS checks for correct format of VAT number. (Not Recommended)', 'invoicing' ),
+                'name' => __('Disable Basic Checks', 'invoicing'),
+                'desc' => __('Disable basic JS checks for correct format of VAT number. (Not Recommended)', 'invoicing'),
                 'type' => 'checkbox'
             );
 
 
             $settings['vat'] = $vat_settings;
 
-            if ( self::allow_vat_classes() ) {
+            if (self::allow_vat_classes()) {
                 $settings['vat_rates'] = self::vat_rates_settings();
             }
 
             $eu_fallback_rate = array(
                 'id'   => 'eu_fallback_rate',
-                'name' => '<h3>' . __( 'VAT rate for EU member states', 'invoicing' ) . '</h3>',
+                'name' => '<h3>' . __('VAT rate for EU member states', 'invoicing') . '</h3>',
                 'type' => 'eu_fallback_rate',
-                'desc' => __( 'Enter the VAT rate to be charged for EU member states. You can edit the rates for each member state when a country rate has been set up by pressing this button.', 'invoicing' ),
+                'desc' => __('Enter the VAT rate to be charged for EU member states. You can edit the rates for each member state when a country rate has been set up by pressing this button.', 'invoicing'),
                 'std'  => '20',
                 'size' => 'small'
             );
@@ -388,7 +388,7 @@ 
      */
     public static function maxmind_folder() {
 
-        $upload_dir      = wp_upload_dir();
+        $upload_dir = wp_upload_dir();
         return $upload_dir['basedir'] . '/invoicing';
 
     }
@@ -405,39 +405,39 @@ 
 		WP_Filesystem();
         global $wp_filesystem;
 
-        $license_key = wpinv_get_option( 'maxmind_license_key' );
+        $license_key = wpinv_get_option('maxmind_license_key');
 
-        if ( empty( $license_key ) ) {
-            echo __( 'Please enter your MaxMind license key then save the settings first before downloading the databases.', 'invoicing' );
+        if (empty($license_key)) {
+            echo __('Please enter your MaxMind license key then save the settings first before downloading the databases.', 'invoicing');
             exit;
         }
 
         // The database files that we will download.
-        $database_files     = array( 'GeoLite2-Country', 'GeoLite2-City' );
+        $database_files = array('GeoLite2-Country', 'GeoLite2-City');
 
         // The destination dir of all databases.
         $destination_dir = self::maxmind_folder();
 
-        if ( ! $wp_filesystem->is_dir( $destination_dir ) ) {
-            $wp_filesystem->mkdir( $destination_dir );
+        if (!$wp_filesystem->is_dir($destination_dir)) {
+            $wp_filesystem->mkdir($destination_dir);
         }
 
-        foreach( $database_files as $database ) {
+        foreach ($database_files as $database) {
 
-            $database_path = self::geoip2_download_file( $license_key, $database );
-            $target_path   = trailingslashit( $destination_dir ) .  $database . '.mmdb';
+            $database_path = self::geoip2_download_file($license_key, $database);
+            $target_path   = trailingslashit($destination_dir) . $database . '.mmdb';
 
-            if ( is_wp_error( $database_path ) ) {
+            if (is_wp_error($database_path)) {
                 echo $database_path->get_error_message();
                 exit;
             }
 
             // Move the new database into position.
-		    $wp_filesystem->move( $database_path, $target_path, true );
-            $wp_filesystem->delete( dirname( $database_path ) );
+		    $wp_filesystem->move($database_path, $target_path, true);
+            $wp_filesystem->delete(dirname($database_path));
 
-            wpinv_update_option( 'wpinv_geoip2_date_updated', current_time( 'timestamp' ) );
-            echo sprintf( __( 'GeoIP2 %s database updated successfully.', 'invoicing' ), $database ) . ' ';
+            wpinv_update_option('wpinv_geoip2_date_updated', current_time('timestamp'));
+            echo sprintf(__('GeoIP2 %s database updated successfully.', 'invoicing'), $database) . ' ';
         }
 
         exit;
@@ -448,12 +448,12 @@ 
      *
      * @return string|WP_Error
      */
-    public static function geoip2_download_file( $license_key, $database ) {
+    public static function geoip2_download_file($license_key, $database) {
 
         // The download URI of the database.
         $source_url = add_query_arg(
 			array(
-                'license_key' => urlencode( sanitize_text_field( $license_key ) ),
+                'license_key' => urlencode(sanitize_text_field($license_key)),
                 'edition_id'  => $database,
 				'suffix'      => 'tar.gz',
 			),
@@ -464,54 +464,54 @@ 
 		require_once ABSPATH . 'wp-admin/includes/file.php';
 
         // Download the file.
-        $tmp_archive_path = download_url( esc_url_raw( $source_url ) );
+        $tmp_archive_path = download_url(esc_url_raw($source_url));
 
         // Did we encounter an error?
-        if ( is_wp_error( $tmp_archive_path ) ) {
+        if (is_wp_error($tmp_archive_path)) {
 
             // Transform the error into something more informative.
 			$error_data = $tmp_archive_path->get_error_data();
-			if ( isset( $error_data['code'] ) ) {
-				switch ( $error_data['code'] ) {
+			if (isset($error_data['code'])) {
+				switch ($error_data['code']) {
 					case 401:
 						return new WP_Error(
 							'invoicing_maxmind_geolocation_database_license_key',
-							__( 'The MaxMind license key is invalid. If you have recently created this key, you may need to wait for it to become active.', 'invoicing' )
+							__('The MaxMind license key is invalid. If you have recently created this key, you may need to wait for it to become active.', 'invoicing')
 						);
 				}
 			}
 
-            return new WP_Error( 'invoicing_maxmind_geolocation_database_download', __( 'Failed to download the MaxMind database.', 'invoicing' ) );
+            return new WP_Error('invoicing_maxmind_geolocation_database_download', __('Failed to download the MaxMind database.', 'invoicing'));
 
         }
 
         // Extract the database from the archive.
         try {
-			$file      = new PharData( $tmp_archive_path );
-            $file_path = trailingslashit( dirname( $tmp_archive_path ) ) . trailingslashit( $file->current()->getFilename() ) . $database . '.mmdb';
+			$file = new PharData($tmp_archive_path);
+            $file_path = trailingslashit(dirname($tmp_archive_path)) . trailingslashit($file->current()->getFilename()) . $database . '.mmdb';
 
 			$file->extractTo(
-				dirname( $tmp_archive_path ),
-				trailingslashit( $file->current()->getFilename() ) . $database . '.mmdb',
+				dirname($tmp_archive_path),
+				trailingslashit($file->current()->getFilename()) . $database . '.mmdb',
 				true
             );
 
-		} catch ( Exception $exception ) {
-			return new WP_Error( 'invoicing_maxmind_geolocation_database_archive', $exception->getMessage() );
+		} catch (Exception $exception) {
+			return new WP_Error('invoicing_maxmind_geolocation_database_archive', $exception->getMessage());
 		} finally {
 			// Remove the archive since we only care about a single file in it.
-            unlink( $tmp_archive_path );
+            unlink($tmp_archive_path);
         }
 
         return $file_path;
     }
 
     public static function load_geoip2() {
-        if ( defined( 'WPINV_GEOIP2_LODDED' ) ) {
+        if (defined('WPINV_GEOIP2_LODDED')) {
             return;
         }
 
-        if ( !class_exists( '\MaxMind\Db\Reader' ) ) {
+        if (!class_exists('\MaxMind\Db\Reader')) {
             $maxmind_db_files = array(
                 'Reader/Decoder.php',
                 'Reader/InvalidDatabaseException.php',
@@ -520,12 +520,12 @@ 
                 'Reader.php',
             );
 
-            foreach ( $maxmind_db_files as $key => $file ) {
-                require_once( WPINV_PLUGIN_DIR . 'includes/libraries/MaxMind/Db/' . $file );
+            foreach ($maxmind_db_files as $key => $file) {
+                require_once(WPINV_PLUGIN_DIR . 'includes/libraries/MaxMind/Db/' . $file);
             }
         }
 
-        if ( !class_exists( '\GeoIp2\Database\Reader' ) ) {
+        if (!class_exists('\GeoIp2\Database\Reader')) {
             $geoip2_files = array(
                 'ProviderInterface.php',
                 'Compat/JsonSerializable.php',
@@ -559,23 +559,23 @@ 
                 'WebService/Client.php',
             );
 
-            foreach ( $geoip2_files as $key => $file ) {
-                require_once( WPINV_PLUGIN_DIR . 'includes/libraries/GeoIp2/' . $file );
+            foreach ($geoip2_files as $key => $file) {
+                require_once(WPINV_PLUGIN_DIR . 'includes/libraries/GeoIp2/' . $file);
             }
         }
 
-        define( 'WPINV_GEOIP2_LODDED', true );
+        define('WPINV_GEOIP2_LODDED', true);
     }
 
     public static function geoip2_country_dbfile() {
         $upload_dir = wp_upload_dir();
 
-        if ( !isset( $upload_dir['basedir'] ) ) {
+        if (!isset($upload_dir['basedir'])) {
             return false;
         }
 
         $filename = $upload_dir['basedir'] . '/invoicing/GeoLite2-Country.mmdb';
-        if ( !file_exists( $filename ) ) {
+        if (!file_exists($filename)) {
             return false;
         }
 
@@ -585,12 +585,12 @@ 
     public static function geoip2_city_dbfile() {
         $upload_dir = wp_upload_dir();
 
-        if ( !isset( $upload_dir['basedir'] ) ) {
+        if (!isset($upload_dir['basedir'])) {
             return false;
         }
 
         $filename = $upload_dir['basedir'] . '/invoicing/GeoLite2-City.mmdb';
-        if ( !file_exists( $filename ) ) {
+        if (!file_exists($filename)) {
             return false;
         }
 
@@ -601,10 +601,10 @@ 
         try {
             self::load_geoip2();
 
-            if ( $filename = self::geoip2_country_dbfile() ) {
-                return new \GeoIp2\Database\Reader( $filename );
+            if ($filename = self::geoip2_country_dbfile()) {
+                return new \GeoIp2\Database\Reader($filename);
             }
-        } catch( Exception $e ) {
+        } catch (Exception $e) {
             return false;
         }
 
@@ -615,183 +615,183 @@ 
         try {
             self::load_geoip2();
 
-            if ( $filename = self::geoip2_city_dbfile() ) {
-                return new \GeoIp2\Database\Reader( $filename );
+            if ($filename = self::geoip2_city_dbfile()) {
+                return new \GeoIp2\Database\Reader($filename);
             }
-        } catch( Exception $e ) {
+        } catch (Exception $e) {
             return false;
         }
 
         return false;
     }
 
-    public static function geoip2_country_record( $ip_address ) {
+    public static function geoip2_country_record($ip_address) {
         try {
             $reader = self::geoip2_country_reader();
 
-            if ( $reader ) {
-                $record = $reader->country( $ip_address );
+            if ($reader) {
+                $record = $reader->country($ip_address);
 
-                if ( !empty( $record->country->isoCode ) ) {
+                if (!empty($record->country->isoCode)) {
                     return $record;
                 }
             }
-        } catch(\InvalidArgumentException $e) {
-            wpinv_error_log( $e->getMessage(), 'GeoIp2 Lookup( ' . $ip_address . ' )' );
+        } catch (\InvalidArgumentException $e) {
+            wpinv_error_log($e->getMessage(), 'GeoIp2 Lookup( ' . $ip_address . ' )');
 
             return false;
-        } catch(\GeoIp2\Exception\AddressNotFoundException $e) {
-            wpinv_error_log( $e->getMessage(), 'GeoIp2 Lookup( ' . $ip_address . ' )' );
+        } catch (\GeoIp2\Exception\AddressNotFoundException $e) {
+            wpinv_error_log($e->getMessage(), 'GeoIp2 Lookup( ' . $ip_address . ' )');
 
             return false;
-        } catch( Exception $e ) {
+        } catch (Exception $e) {
             return false;
         }
 
         return false;
     }
 
-    public static function geoip2_city_record( $ip_address ) {
+    public static function geoip2_city_record($ip_address) {
         try {
             $reader = self::geoip2_city_reader();
 
-            if ( $reader ) {
-                $record = $reader->city( $ip_address );
+            if ($reader) {
+                $record = $reader->city($ip_address);
 
-                if ( !empty( $record->country->isoCode ) ) {
+                if (!empty($record->country->isoCode)) {
                     return $record;
                 }
             }
-        } catch(\InvalidArgumentException $e) {
-            wpinv_error_log( $e->getMessage(), 'GeoIp2 Lookup( ' . $ip_address . ' )' );
+        } catch (\InvalidArgumentException $e) {
+            wpinv_error_log($e->getMessage(), 'GeoIp2 Lookup( ' . $ip_address . ' )');
 
             return false;
-        } catch(\GeoIp2\Exception\AddressNotFoundException $e) {
-            wpinv_error_log( $e->getMessage(), 'GeoIp2 Lookup( ' . $ip_address . ' )' );
+        } catch (\GeoIp2\Exception\AddressNotFoundException $e) {
+            wpinv_error_log($e->getMessage(), 'GeoIp2 Lookup( ' . $ip_address . ' )');
 
             return false;
-        } catch( Exception $e ) {
+        } catch (Exception $e) {
             return false;
         }
 
         return false;
     }
 
-    public static function geoip2_country_code( $ip_address ) {
-        $record = self::geoip2_country_record( $ip_address );
-        return !empty( $record->country->isoCode ) ? $record->country->isoCode : wpinv_get_default_country();
+    public static function geoip2_country_code($ip_address) {
+        $record = self::geoip2_country_record($ip_address);
+        return !empty($record->country->isoCode) ? $record->country->isoCode : wpinv_get_default_country();
     }
 
     // Find country by IP address.
-    public static function get_country_by_ip( $ip = '' ) {
+    public static function get_country_by_ip($ip = '') {
         global $wpinv_ip_address_country;
         return '';
-        if ( !empty( $wpinv_ip_address_country ) ) {
+        if (!empty($wpinv_ip_address_country)) {
             return $wpinv_ip_address_country;
         }
 
-        if ( empty( $ip ) ) {
+        if (empty($ip)) {
             $ip = wpinv_get_ip();
         }
 
-        $ip_country_service = wpinv_get_option( 'vat_ip_lookup' );
-        $is_default         = empty( $ip_country_service ) || $ip_country_service === 'default' ? true : false;
+        $ip_country_service = wpinv_get_option('vat_ip_lookup');
+        $is_default         = empty($ip_country_service) || $ip_country_service === 'default' ? true : false;
 
-        if ( !empty( $ip ) && $ip !== '127.0.0.1' ) { // For 127.0.0.1(localhost) use default country.
-            if ( function_exists( 'geoip_country_code_by_name') && ( $ip_country_service === 'geoip' || $is_default ) ) {
+        if (!empty($ip) && $ip !== '127.0.0.1') { // For 127.0.0.1(localhost) use default country.
+            if (function_exists('geoip_country_code_by_name') && ($ip_country_service === 'geoip' || $is_default)) {
                 try {
-                    $wpinv_ip_address_country = geoip_country_code_by_name( $ip );
-                } catch( Exception $e ) {
-                    wpinv_error_log( $e->getMessage(), 'GeoIP Lookup( ' . $ip . ' )' );
+                    $wpinv_ip_address_country = geoip_country_code_by_name($ip);
+                } catch (Exception $e) {
+                    wpinv_error_log($e->getMessage(), 'GeoIP Lookup( ' . $ip . ' )');
                 }
-            } else if ( self::geoip2_country_dbfile() && ( $ip_country_service === 'geoip2' || $is_default ) ) {
-                $wpinv_ip_address_country = self::geoip2_country_code( $ip );
-            } else if ( function_exists( 'simplexml_load_file' ) && ini_get('allow_url_fopen') && ( $ip_country_service === 'geoplugin' || $is_default ) ) {
-                $load_xml = simplexml_load_file( 'http://www.geoplugin.net/xml.gp?ip=' . $ip );
+            } else if (self::geoip2_country_dbfile() && ($ip_country_service === 'geoip2' || $is_default)) {
+                $wpinv_ip_address_country = self::geoip2_country_code($ip);
+            } else if (function_exists('simplexml_load_file') && ini_get('allow_url_fopen') && ($ip_country_service === 'geoplugin' || $is_default)) {
+                $load_xml = simplexml_load_file('http://www.geoplugin.net/xml.gp?ip=' . $ip);
 
-                if ( !empty( $load_xml ) && !empty( $load_xml->geoplugin_countryCode ) ) {
-                    $wpinv_ip_address_country = (string)$load_xml->geoplugin_countryCode;
+                if (!empty($load_xml) && !empty($load_xml->geoplugin_countryCode)) {
+                    $wpinv_ip_address_country = (string) $load_xml->geoplugin_countryCode;
                 }
-            }elseif(!empty( $ip )){
+            }elseif (!empty($ip)) {
                 $url = 'http://ip-api.com/json/' . $ip;
                 $response = wp_remote_get($url);
 
-                if ( is_array( $response ) && wp_remote_retrieve_response_code( $response ) == '200' ) {
-                    $data = json_decode(wp_remote_retrieve_body( $response ),true);
-                    if(!empty($data['countryCode'])){
-                        $wpinv_ip_address_country = (string)$data['countryCode'];
+                if (is_array($response) && wp_remote_retrieve_response_code($response) == '200') {
+                    $data = json_decode(wp_remote_retrieve_body($response), true);
+                    if (!empty($data['countryCode'])) {
+                        $wpinv_ip_address_country = (string) $data['countryCode'];
                     }
                 }
             }
         }
 
-        if ( empty( $wpinv_ip_address_country ) ) {
+        if (empty($wpinv_ip_address_country)) {
             $wpinv_ip_address_country = wpinv_get_default_country();
         }
 
         return $wpinv_ip_address_country;
     }
 
-    public static function sanitize_vat_settings( $input ) {
+    public static function sanitize_vat_settings($input) {
         global $wpinv_options;
 
         $valid      = false;
         $message    = '';
 
-        if ( !empty( $wpinv_options['vat_vies_check'] ) ) {
-            if ( empty( $wpinv_options['vat_offline_check'] ) ) {
-                $valid = self::offline_check( $input['vat_number'] );
+        if (!empty($wpinv_options['vat_vies_check'])) {
+            if (empty($wpinv_options['vat_offline_check'])) {
+                $valid = self::offline_check($input['vat_number']);
             } else {
                 $valid = true;
             }
 
-            $message = $valid ? '' : __( 'VAT number not validated', 'invoicing' );
+            $message = $valid ? '' : __('VAT number not validated', 'invoicing');
         } else {
-            $result = self::check_vat( $input['vat_number'] );
+            $result = self::check_vat($input['vat_number']);
 
-            if ( empty( $result['valid'] ) ) {
+            if (empty($result['valid'])) {
                 $valid      = false;
                 $message    = $result['message'];
             } else {
-                $valid      = ( isset( $result['company'] ) && ( $result['company'] == '---' || ( strcasecmp( trim( $result['company'] ), trim( $input['vat_company_name'] ) ) == 0 ) ) ) || !empty( $wpinv_options['vat_disable_company_name_check'] );
-                $message    = $valid ? '' : __( 'The company name associated with the VAT number provided is not the same as the company name provided.', 'invoicing' );
+                $valid      = (isset($result['company']) && ($result['company'] == '---' || (strcasecmp(trim($result['company']), trim($input['vat_company_name'])) == 0))) || !empty($wpinv_options['vat_disable_company_name_check']);
+                $message    = $valid ? '' : __('The company name associated with the VAT number provided is not the same as the company name provided.', 'invoicing');
             }
         }
 
-        if ( $message && self::is_vat_validated() != $valid ) {
-            add_settings_error( 'wpinv-notices', '', $message, ( $valid ? 'updated' : 'error' ) );
+        if ($message && self::is_vat_validated() != $valid) {
+            add_settings_error('wpinv-notices', '', $message, ($valid ? 'updated' : 'error'));
         }
 
         $input['vat_valid'] = $valid;
         return $input;
     }
 
-    public static function sanitize_vat_rates( $input ) {
-        if( !wpinv_current_user_can_manage_invoicing() ) {
-            add_settings_error( 'wpinv-notices', '', __( 'Your account does not have permission to add rate classes.', 'invoicing' ), 'error' );
+    public static function sanitize_vat_rates($input) {
+        if (!wpinv_current_user_can_manage_invoicing()) {
+            add_settings_error('wpinv-notices', '', __('Your account does not have permission to add rate classes.', 'invoicing'), 'error');
             return $input;
         }
 
         $vat_classes = self::get_rate_classes();
-        $vat_class = !empty( $_REQUEST['wpi_vat_class'] ) && isset( $vat_classes[$_REQUEST['wpi_vat_class']] )? sanitize_text_field( $_REQUEST['wpi_vat_class'] ) : '';
+        $vat_class = !empty($_REQUEST['wpi_vat_class']) && isset($vat_classes[$_REQUEST['wpi_vat_class']]) ? sanitize_text_field($_REQUEST['wpi_vat_class']) : '';
 
-        if ( empty( $vat_class ) ) {
-            add_settings_error( 'wpinv-notices', '', __( 'No valid VAT rates class contained in the request to save rates.', 'invoicing' ), 'error' );
+        if (empty($vat_class)) {
+            add_settings_error('wpinv-notices', '', __('No valid VAT rates class contained in the request to save rates.', 'invoicing'), 'error');
 
             return $input;
         }
 
-        $new_rates = ! empty( $_POST['vat_rates'] ) ? array_values( $_POST['vat_rates'] ) : array();
+        $new_rates = !empty($_POST['vat_rates']) ? array_values($_POST['vat_rates']) : array();
 
-        if ( $vat_class === '_standard' ) {
+        if ($vat_class === '_standard') {
             // Save the active rates in the invoice settings
-            update_option( 'wpinv_tax_rates', $new_rates );
+            update_option('wpinv_tax_rates', $new_rates);
         } else {
             // Get the existing set of rates
             $rates = self::get_non_standard_rates();
             $rates[$vat_class] = $new_rates;
 
-            update_option( 'wpinv_vat_rates', $rates );
+            update_option('wpinv_vat_rates', $rates);
         }
 
         return $input;
@@ -801,71 +801,71 @@ 
         $response = array();
         $response['success'] = false;
 
-        if ( !wpinv_current_user_can_manage_invoicing() ) {
-            $response['error'] = __( 'Invalid access!', 'invoicing' );
-            wp_send_json( $response );
+        if (!wpinv_current_user_can_manage_invoicing()) {
+            $response['error'] = __('Invalid access!', 'invoicing');
+            wp_send_json($response);
         }
 
-        $vat_class_name = !empty( $_POST['name'] ) ? sanitize_text_field( $_POST['name'] ) : false;
-        $vat_class_desc = !empty( $_POST['desc'] ) ? sanitize_text_field( $_POST['desc'] ) : false;
+        $vat_class_name = !empty($_POST['name']) ? sanitize_text_field($_POST['name']) : false;
+        $vat_class_desc = !empty($_POST['desc']) ? sanitize_text_field($_POST['desc']) : false;
 
-        if ( empty( $vat_class_name ) ) {
-            $response['error'] = __( 'Select the VAT rate name', 'invoicing' );
-            wp_send_json( $response );
+        if (empty($vat_class_name)) {
+            $response['error'] = __('Select the VAT rate name', 'invoicing');
+            wp_send_json($response);
         }
 
-        $vat_classes = (array)self::get_rate_classes();
+        $vat_classes = (array) self::get_rate_classes();
 
-        if ( !empty( $vat_classes ) && in_array( strtolower( $vat_class_name ), array_map( 'strtolower', array_values( $vat_classes ) ) ) ) {
-            $response['error'] = wp_sprintf( __( 'A VAT Rate name "%s" already exists', 'invoicing' ), $vat_class_name );
-            wp_send_json( $response );
+        if (!empty($vat_classes) && in_array(strtolower($vat_class_name), array_map('strtolower', array_values($vat_classes)))) {
+            $response['error'] = wp_sprintf(__('A VAT Rate name "%s" already exists', 'invoicing'), $vat_class_name);
+            wp_send_json($response);
         }
 
-        $rate_class_key = normalize_whitespace( 'wpi-' . $vat_class_name );
-        $rate_class_key = sanitize_key( str_replace( " ", "-", $rate_class_key ) );
+        $rate_class_key = normalize_whitespace('wpi-' . $vat_class_name);
+        $rate_class_key = sanitize_key(str_replace(" ", "-", $rate_class_key));
 
-        $vat_classes = (array)self::get_rate_classes( true );
-        $vat_classes[$rate_class_key] = array( 'name' => $vat_class_name, 'desc' => $vat_class_desc );
+        $vat_classes = (array) self::get_rate_classes(true);
+        $vat_classes[$rate_class_key] = array('name' => $vat_class_name, 'desc' => $vat_class_desc);
 
-        update_option( '_wpinv_vat_rate_classes', $vat_classes );
+        update_option('_wpinv_vat_rate_classes', $vat_classes);
 
         $response['success'] = true;
-        $response['redirect'] = admin_url( 'admin.php?page=wpinv-settings&tab=taxes&section=vat_rates&wpi_sub=' . $rate_class_key );
+        $response['redirect'] = admin_url('admin.php?page=wpinv-settings&tab=taxes&section=vat_rates&wpi_sub=' . $rate_class_key);
 
-        wp_send_json( $response );
+        wp_send_json($response);
     }
 
     public static function delete_class() {
         $response = array();
         $response['success'] = false;
 
-        if ( !wpinv_current_user_can_manage_invoicing() || !isset( $_POST['class'] ) ) {
-            $response['error'] = __( 'Invalid access!', 'invoicing' );
-            wp_send_json( $response );
+        if (!wpinv_current_user_can_manage_invoicing() || !isset($_POST['class'])) {
+            $response['error'] = __('Invalid access!', 'invoicing');
+            wp_send_json($response);
         }
 
-        $vat_class = isset( $_POST['class'] ) && $_POST['class'] !== '' ? sanitize_text_field( $_POST['class'] ) : false;
-        $vat_classes = (array)self::get_rate_classes();
+        $vat_class = isset($_POST['class']) && $_POST['class'] !== '' ? sanitize_text_field($_POST['class']) : false;
+        $vat_classes = (array) self::get_rate_classes();
 
-        if ( !isset( $vat_classes[$vat_class] ) ) {
-            $response['error'] = __( 'Requested class does not exists', 'invoicing' );
-            wp_send_json( $response );
+        if (!isset($vat_classes[$vat_class])) {
+            $response['error'] = __('Requested class does not exists', 'invoicing');
+            wp_send_json($response);
         }
 
-        if ( $vat_class == '_new' || $vat_class == '_standard' ) {
-            $response['error'] = __( 'You can not delete standard rates class', 'invoicing' );
-            wp_send_json( $response );
+        if ($vat_class == '_new' || $vat_class == '_standard') {
+            $response['error'] = __('You can not delete standard rates class', 'invoicing');
+            wp_send_json($response);
         }
 
-        $vat_classes = (array)self::get_rate_classes( true );
-        unset( $vat_classes[$vat_class] );
+        $vat_classes = (array) self::get_rate_classes(true);
+        unset($vat_classes[$vat_class]);
 
-        update_option( '_wpinv_vat_rate_classes', $vat_classes );
+        update_option('_wpinv_vat_rate_classes', $vat_classes);
 
         $response['success'] = true;
-        $response['redirect'] = admin_url( 'admin.php?page=wpinv-settings&tab=taxes&section=vat_rates&wpi_sub=_new' );
+        $response['redirect'] = admin_url('admin.php?page=wpinv-settings&tab=taxes&section=vat_rates&wpi_sub=_new');
 
-        wp_send_json( $response );
+        wp_send_json($response);
     }
 
     public static function update_eu_rates() {
@@ -874,73 +874,73 @@ 
         $response['error']      = null;
         $response['data']       = null;
 
-        if ( !wpinv_current_user_can_manage_invoicing() ) {
-            $response['error'] = __( 'Invalid access!', 'invoicing' );
-            wp_send_json( $response );
+        if (!wpinv_current_user_can_manage_invoicing()) {
+            $response['error'] = __('Invalid access!', 'invoicing');
+            wp_send_json($response);
         }
 
-        $group      = !empty( $_POST['group'] ) ? sanitize_text_field( $_POST['group'] ) : '';
-        $euvatrates = self::request_euvatrates( $group );
+        $group      = !empty($_POST['group']) ? sanitize_text_field($_POST['group']) : '';
+        $euvatrates = self::request_euvatrates($group);
 
-        if ( !empty( $euvatrates ) ) {
-            if ( !empty( $euvatrates['success'] ) && !empty( $euvatrates['rates'] ) ) {
+        if (!empty($euvatrates)) {
+            if (!empty($euvatrates['success']) && !empty($euvatrates['rates'])) {
                 $response['success']        = true;
                 $response['data']['rates']  = $euvatrates['rates'];
-            } else if ( !empty( $euvatrates['error'] ) ) {
+            } else if (!empty($euvatrates['error'])) {
                 $response['error']          = $euvatrates['error'];
             }
         }
 
-        wp_send_json( $response );
+        wp_send_json($response);
     }
 
     public static function hide_vat_fields() {
-        $hide = wpinv_get_option( 'vat_disable_fields' );
+        $hide = wpinv_get_option('vat_disable_fields');
 
-        return apply_filters( 'wpinv_hide_vat_fields', $hide );
+        return apply_filters('wpinv_hide_vat_fields', $hide);
     }
 
     public static function same_country_rule() {
-        $same_country_rule = wpinv_get_option( 'vat_same_country_rule' );
+        $same_country_rule = wpinv_get_option('vat_same_country_rule');
 
-        return apply_filters( 'wpinv_vat_same_country_rule', $same_country_rule );
+        return apply_filters('wpinv_vat_same_country_rule', $same_country_rule);
     }
 
     /**
      * Retrieves the vat name.
      */
     public function get_vat_name() {
-        $vat_name = wpinv_get_option( 'vat_name' );
-        return empty( $vat_name ) ? __( 'VAT', 'invoicing' ) : sanitize_text_field( $vat_name );
+        $vat_name = wpinv_get_option('vat_name');
+        return empty($vat_name) ? __('VAT', 'invoicing') : sanitize_text_field($vat_name);
     }
 
     public static function get_company_name() {
-        $company_name = wpinv_get_option( 'vat_company_name' );
+        $company_name = wpinv_get_option('vat_company_name');
 
-        return apply_filters( 'wpinv_get_owner_company_name', $company_name );
+        return apply_filters('wpinv_get_owner_company_name', $company_name);
     }
 
     public static function get_vat_number() {
-        $vat_number = wpinv_get_option( 'vat_number' );
+        $vat_number = wpinv_get_option('vat_number');
 
-        return apply_filters( 'wpinv_get_owner_vat_number', $vat_number );
+        return apply_filters('wpinv_get_owner_vat_number', $vat_number);
     }
 
     public static function is_vat_validated() {
-        $validated = self::get_vat_number() && wpinv_get_option( 'vat_valid' );
+        $validated = self::get_vat_number() && wpinv_get_option('vat_valid');
 
-        return apply_filters( 'wpinv_is_owner_vat_validated', $validated );
+        return apply_filters('wpinv_is_owner_vat_validated', $validated);
     }
 
-    public static function sanitize_vat( $vat_number, $country_code = '' ) {
-        $vat_number = str_replace( array(' ', '.', '-', '_', ',' ), '', strtoupper( trim( $vat_number ) ) );
+    public static function sanitize_vat($vat_number, $country_code = '') {
+        $vat_number = str_replace(array(' ', '.', '-', '_', ','), '', strtoupper(trim($vat_number)));
 
-        if ( empty( $country_code ) ) {
-            $country_code = substr( $vat_number, 0, 2 );
+        if (empty($country_code)) {
+            $country_code = substr($vat_number, 0, 2);
         }
 
-        if ( strpos( $vat_number , $country_code ) === 0 ) {
-            $vat = str_replace( $country_code, '', $vat_number );
+        if (strpos($vat_number, $country_code) === 0) {
+            $vat = str_replace($country_code, '', $vat_number);
         } else {
             $vat = $country_code . $vat_number;
         }
@@ -953,140 +953,140 @@ 
         return $return;
     }
 
-    public static function offline_check( $vat_number, $country_code = '', $formatted = false ) {
-        $vat            = self::sanitize_vat( $vat_number, $country_code );
+    public static function offline_check($vat_number, $country_code = '', $formatted = false) {
+        $vat            = self::sanitize_vat($vat_number, $country_code);
         $vat_number     = $vat['vat_number'];
         $country_code   = $vat['iso'];
         $regex          = array();
 
-        switch ( $country_code ) {
+        switch ($country_code) {
             case 'AT':
-                $regex[] = '/^(AT)U(\d{8})$/';                           // Austria
+                $regex[] = '/^(AT)U(\d{8})$/'; // Austria
                 break;
             case 'BE':
-                $regex[] = '/^(BE)(0?\d{9})$/';                          // Belgium
+                $regex[] = '/^(BE)(0?\d{9})$/'; // Belgium
                 break;
             case 'BG':
-                $regex[] = '/^(BG)(\d{9,10})$/';                         // Bulgaria
+                $regex[] = '/^(BG)(\d{9,10})$/'; // Bulgaria
                 break;
             case 'CH':
             case 'CHE':
-                $regex[] = '/^(CHE)(\d{9})MWST$/';                       // Switzerland (Not EU)
+                $regex[] = '/^(CHE)(\d{9})MWST$/'; // Switzerland (Not EU)
                 break;
             case 'CY':
-                $regex[] = '/^(CY)([0-5|9]\d{7}[A-Z])$/';                // Cyprus
+                $regex[] = '/^(CY)([0-5|9]\d{7}[A-Z])$/'; // Cyprus
                 break;
             case 'CZ':
-                $regex[] = '/^(CZ)(\d{8,13})$/';                         // Czech Republic
+                $regex[] = '/^(CZ)(\d{8,13})$/'; // Czech Republic
                 break;
             case 'DE':
-                $regex[] = '/^(DE)([1-9]\d{8})$/';                       // Germany
+                $regex[] = '/^(DE)([1-9]\d{8})$/'; // Germany
                 break;
             case 'DK':
-                $regex[] = '/^(DK)(\d{8})$/';                            // Denmark
+                $regex[] = '/^(DK)(\d{8})$/'; // Denmark
                 break;
             case 'EE':
-                $regex[] = '/^(EE)(10\d{7})$/';                          // Estonia
+                $regex[] = '/^(EE)(10\d{7})$/'; // Estonia
                 break;
             case 'EL':
-                $regex[] = '/^(EL)(\d{9})$/';                            // Greece
+                $regex[] = '/^(EL)(\d{9})$/'; // Greece
                 break;
             case 'ES':
-                $regex[] = '/^(ES)([A-Z]\d{8})$/';                       // Spain (National juridical entities)
-                $regex[] = '/^(ES)([A-H|N-S|W]\d{7}[A-J])$/';            // Spain (Other juridical entities)
-                $regex[] = '/^(ES)([0-9|Y|Z]\d{7}[A-Z])$/';              // Spain (Personal entities type 1)
-                $regex[] = '/^(ES)([K|L|M|X]\d{7}[A-Z])$/';              // Spain (Personal entities type 2)
+                $regex[] = '/^(ES)([A-Z]\d{8})$/'; // Spain (National juridical entities)
+                $regex[] = '/^(ES)([A-H|N-S|W]\d{7}[A-J])$/'; // Spain (Other juridical entities)
+                $regex[] = '/^(ES)([0-9|Y|Z]\d{7}[A-Z])$/'; // Spain (Personal entities type 1)
+                $regex[] = '/^(ES)([K|L|M|X]\d{7}[A-Z])$/'; // Spain (Personal entities type 2)
                 break;
             case 'EU':
-                $regex[] = '/^(EU)(\d{9})$/';                            // EU-type
+                $regex[] = '/^(EU)(\d{9})$/'; // EU-type
                 break;
             case 'FI':
-                $regex[] = '/^(FI)(\d{8})$/';                            // Finland
+                $regex[] = '/^(FI)(\d{8})$/'; // Finland
                 break;
             case 'FR':
-                $regex[] = '/^(FR)(\d{11})$/';                           // France (1)
-                $regex[] = '/^(FR)[(A-H)|(J-N)|(P-Z)](\d{10})$/';        // France (2)
-                $regex[] = '/^(FR)\d[(A-H)|(J-N)|(P-Z)](\d{9})$/';       // France (3)
-                $regex[] = '/^(FR)[(A-H)|(J-N)|(P-Z)]{2}(\d{9})$/';      // France (4)
+                $regex[] = '/^(FR)(\d{11})$/'; // France (1)
+                $regex[] = '/^(FR)[(A-H)|(J-N)|(P-Z)](\d{10})$/'; // France (2)
+                $regex[] = '/^(FR)\d[(A-H)|(J-N)|(P-Z)](\d{9})$/'; // France (3)
+                $regex[] = '/^(FR)[(A-H)|(J-N)|(P-Z)]{2}(\d{9})$/'; // France (4)
                 break;
             case 'GB':
-                $regex[] = '/^(GB)?(\d{9})$/';                           // UK (Standard)
-                $regex[] = '/^(GB)?(\d{12})$/';                          // UK (Branches)
-                $regex[] = '/^(GB)?(GD\d{3})$/';                         // UK (Government)
-                $regex[] = '/^(GB)?(HA\d{3})$/';                         // UK (Health authority)
+                $regex[] = '/^(GB)?(\d{9})$/'; // UK (Standard)
+                $regex[] = '/^(GB)?(\d{12})$/'; // UK (Branches)
+                $regex[] = '/^(GB)?(GD\d{3})$/'; // UK (Government)
+                $regex[] = '/^(GB)?(HA\d{3})$/'; // UK (Health authority)
                 break;
             case 'GR':
-                $regex[] = '/^(GR)(\d{8,9})$/';                          // Greece
+                $regex[] = '/^(GR)(\d{8,9})$/'; // Greece
                 break;
             case 'HR':
-                $regex[] = '/^(HR)(\d{11})$/';                           // Croatia
+                $regex[] = '/^(HR)(\d{11})$/'; // Croatia
                 break;
             case 'HU':
-                $regex[] = '/^(HU)(\d{8})$/';                            // Hungary
+                $regex[] = '/^(HU)(\d{8})$/'; // Hungary
                 break;
             case 'IE':
-                $regex[] = '/^(IE)(\d{7}[A-W])$/';                       // Ireland (1)
-                $regex[] = '/^(IE)([7-9][A-Z\*\+)]\d{5}[A-W])$/';        // Ireland (2)
-                $regex[] = '/^(IE)(\d{7}[A-Z][AH])$/';                   // Ireland (3) (new format from 1 Jan 2013)
+                $regex[] = '/^(IE)(\d{7}[A-W])$/'; // Ireland (1)
+                $regex[] = '/^(IE)([7-9][A-Z\*\+)]\d{5}[A-W])$/'; // Ireland (2)
+                $regex[] = '/^(IE)(\d{7}[A-Z][AH])$/'; // Ireland (3) (new format from 1 Jan 2013)
                 break;
             case 'IT':
-                $regex[] = '/^(IT)(\d{11})$/';                           // Italy
+                $regex[] = '/^(IT)(\d{11})$/'; // Italy
                 break;
             case 'LV':
-                $regex[] = '/^(LV)(\d{11})$/';                           // Latvia
+                $regex[] = '/^(LV)(\d{11})$/'; // Latvia
                 break;
             case 'LT':
-                $regex[] = '/^(LT)(\d{9}|\d{12})$/';                     // Lithuania
+                $regex[] = '/^(LT)(\d{9}|\d{12})$/'; // Lithuania
                 break;
             case 'LU':
-                $regex[] = '/^(LU)(\d{8})$/';                            // Luxembourg
+                $regex[] = '/^(LU)(\d{8})$/'; // Luxembourg
                 break;
             case 'MT':
-                $regex[] = '/^(MT)([1-9]\d{7})$/';                       // Malta
+                $regex[] = '/^(MT)([1-9]\d{7})$/'; // Malta
                 break;
             case 'NL':
-                $regex[] = '/^(NL)(\d{9})B\d{2}$/';                      // Netherlands
+                $regex[] = '/^(NL)(\d{9})B\d{2}$/'; // Netherlands
                 break;
             case 'NO':
-                $regex[] = '/^(NO)(\d{9})$/';                            // Norway (Not EU)
+                $regex[] = '/^(NO)(\d{9})$/'; // Norway (Not EU)
                 break;
             case 'PL':
-                $regex[] = '/^(PL)(\d{10})$/';                           // Poland
+                $regex[] = '/^(PL)(\d{10})$/'; // Poland
                 break;
             case 'PT':
-                $regex[] = '/^(PT)(\d{9})$/';                            // Portugal
+                $regex[] = '/^(PT)(\d{9})$/'; // Portugal
                 break;
             case 'RO':
-                $regex[] = '/^(RO)([1-9]\d{1,9})$/';                     // Romania
+                $regex[] = '/^(RO)([1-9]\d{1,9})$/'; // Romania
                 break;
             case 'RS':
-                $regex[] = '/^(RS)(\d{9})$/';                            // Serbia (Not EU)
+                $regex[] = '/^(RS)(\d{9})$/'; // Serbia (Not EU)
                 break;
             case 'SI':
-                $regex[] = '/^(SI)([1-9]\d{7})$/';                       // Slovenia
+                $regex[] = '/^(SI)([1-9]\d{7})$/'; // Slovenia
                 break;
             case 'SK':
-                $regex[] = '/^(SK)([1-9]\d[(2-4)|(6-9)]\d{7})$/';        // Slovakia Republic
+                $regex[] = '/^(SK)([1-9]\d[(2-4)|(6-9)]\d{7})$/'; // Slovakia Republic
                 break;
             case 'SE':
-                $regex[] = '/^(SE)(\d{10}01)$/';                         // Sweden
+                $regex[] = '/^(SE)(\d{10}01)$/'; // Sweden
                 break;
             default:
                 $regex = array();
             break;
         }
 
-        if ( empty( $regex ) ) {
+        if (empty($regex)) {
             return false;
         }
 
-        foreach ( $regex as $pattern ) {
+        foreach ($regex as $pattern) {
             $matches = null;
-            preg_match_all( $pattern, $vat_number, $matches );
+            preg_match_all($pattern, $vat_number, $matches);
 
-            if ( !empty( $matches[1][0] ) && !empty( $matches[2][0] ) ) {
-                if ( $formatted ) {
-                    return array( 'code' => $matches[1][0], 'number' => $matches[2][0] );
+            if (!empty($matches[1][0]) && !empty($matches[2][0])) {
+                if ($formatted) {
+                    return array('code' => $matches[1][0], 'number' => $matches[2][0]);
                 } else {
                     return true;
                 }
@@ -1096,75 +1096,75 @@ 
         return false;
     }
 
-    public static function vies_check( $vat_number, $country_code = '', $result = false ) {
-        $vat            = self::sanitize_vat( $vat_number, $country_code );
+    public static function vies_check($vat_number, $country_code = '', $result = false) {
+        $vat            = self::sanitize_vat($vat_number, $country_code);
         $vat_number     = $vat['vat'];
         $iso            = $vat['iso'];
 
-        $url = 'http://ec.europa.eu/taxation_customs/vies/viesquer.do?ms=' . urlencode( $iso ) . '&iso=' . urlencode( $iso ) . '&vat=' . urlencode( $vat_number );
+        $url = 'http://ec.europa.eu/taxation_customs/vies/viesquer.do?ms=' . urlencode($iso) . '&iso=' . urlencode($iso) . '&vat=' . urlencode($vat_number);
 
-        if ( ini_get( 'allow_url_fopen' ) ) {
-            $response = file_get_contents( $url );
-        } else if ( function_exists( 'curl_init' ) ) {
+        if (ini_get('allow_url_fopen')) {
+            $response = file_get_contents($url);
+        } else if (function_exists('curl_init')) {
             $ch = curl_init();
 
-            curl_setopt( $ch, CURLOPT_URL, $url );
-            curl_setopt( $ch, CURLOPT_CONNECTTIMEOUT, 30 );
-            curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true );
-            curl_setopt( $ch, CURLOPT_SSL_VERIFYHOST, 0 );
-            curl_setopt( $ch, CURLOPT_SSL_VERIFYPEER, 0 );
+            curl_setopt($ch, CURLOPT_URL, $url);
+            curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 30);
+            curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
+            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
 
-            $response = curl_exec( $ch );
+            $response = curl_exec($ch);
 
-            if ( curl_errno( $ch ) ) {
-                wpinv_error_log( curl_error( $ch ), 'VIES CHECK ERROR' );
+            if (curl_errno($ch)) {
+                wpinv_error_log(curl_error($ch), 'VIES CHECK ERROR');
                 $response = '';
             }
 
-            curl_close( $ch );
+            curl_close($ch);
         } else {
-            wpinv_error_log( 'To use VIES CHECK you must have allow_url_fopen is ON or cURL installed & active on your server.', 'VIES CHECK ERROR' );
+            wpinv_error_log('To use VIES CHECK you must have allow_url_fopen is ON or cURL installed & active on your server.', 'VIES CHECK ERROR');
         }
 
-        if ( empty( $response ) ) {
+        if (empty($response)) {
             return $result;
         }
 
-        if ( preg_match( '/invalid VAT number/i', $response ) ) {
+        if (preg_match('/invalid VAT number/i', $response)) {
             return false;
-        } else if ( preg_match( '/valid VAT number/i', $response, $matches ) ) {
-            $content = explode( "valid VAT number", htmlentities( $response ) );
+        } else if (preg_match('/valid VAT number/i', $response, $matches)) {
+            $content = explode("valid VAT number", htmlentities($response));
 
-            if ( !empty( $content[1] ) ) {
-                preg_match_all( '/<tr>(.*?)<td.*?>(.*?)<\/td>(.*?)<\/tr>/si', html_entity_decode( $content[1] ), $matches );
+            if (!empty($content[1])) {
+                preg_match_all('/<tr>(.*?)<td.*?>(.*?)<\/td>(.*?)<\/tr>/si', html_entity_decode($content[1]), $matches);
 
-                if ( !empty( $matches[2] ) && $matches[3] ) {
+                if (!empty($matches[2]) && $matches[3]) {
                     $return = array();
 
-                    foreach ( $matches[2] as $key => $label ) {
-                        $label = trim( $label );
+                    foreach ($matches[2] as $key => $label) {
+                        $label = trim($label);
 
-                        switch ( strtolower( $label ) ) {
+                        switch (strtolower($label)) {
                             case 'member state':
-                                $return['state'] = trim( strip_tags( $matches[3][$key] ) );
+                                $return['state'] = trim(strip_tags($matches[3][$key]));
                             break;
                             case 'vat number':
-                                $return['number'] = trim( strip_tags( $matches[3][$key] ) );
+                                $return['number'] = trim(strip_tags($matches[3][$key]));
                             break;
                             case 'name':
-                                $return['company'] = trim( strip_tags( $matches[3][$key] ) );
+                                $return['company'] = trim(strip_tags($matches[3][$key]));
                             break;
                             case 'address':
-                                $address           = str_replace( array( "<br><br>", "<br /><br />", "<br/><br/>" ), "<br>", html_entity_decode( trim( $matches[3][$key] ) ) );
-                                $return['address'] = trim( strip_tags( $address, '<br>' ) );
+                                $address           = str_replace(array("<br><br>", "<br /><br />", "<br/><br/>"), "<br>", html_entity_decode(trim($matches[3][$key])));
+                                $return['address'] = trim(strip_tags($address, '<br>'));
                             break;
                             case 'consultation number':
-                                $return['consultation'] = trim( strip_tags( $matches[3][$key] ) );
+                                $return['consultation'] = trim(strip_tags($matches[3][$key]));
                             break;
                         }
                     }
 
-                    if ( !empty( $return ) ) {
+                    if (!empty($return)) {
                         return $return;
                     }
                 }
@@ -1176,62 +1176,62 @@ 
         }
     }
 
-    public static function check_vat( $vat_number, $country_code = '' ) {
+    public static function check_vat($vat_number, $country_code = '') {
         $vat_name           = getpaid_vat_name();
 
         $return             = array();
         $return['valid']    = false;
-        $return['message']  = wp_sprintf( __( '%s number not validated', 'invoicing' ), $vat_name );
+        $return['message']  = wp_sprintf(__('%s number not validated', 'invoicing'), $vat_name);
 
-        if ( !wpinv_get_option( 'vat_offline_check' ) && !self::offline_check( $vat_number, $country_code ) ) {
+        if (!wpinv_get_option('vat_offline_check') && !self::offline_check($vat_number, $country_code)) {
             return $return;
         }
 
-        $response = self::vies_check( $vat_number, $country_code );
+        $response = self::vies_check($vat_number, $country_code);
 
-        if ( $response ) {
-            $return['valid']    = true;
+        if ($response) {
+            $return['valid'] = true;
 
-            if ( is_array( $response ) ) {
-                $return['company'] = isset( $response['company'] ) ? $response['company'] : '';
-                $return['address'] = isset( $response['address'] ) ? $response['address'] : '';
+            if (is_array($response)) {
+                $return['company'] = isset($response['company']) ? $response['company'] : '';
+                $return['address'] = isset($response['address']) ? $response['address'] : '';
                 $return['message'] = $return['company'] . '<br/>' . $return['address'];
             }
         } else {
             $return['valid']    = false;
-            $return['message']  = wp_sprintf( __( 'Fail to validate the %s number: EU Commission VAT server (VIES) check fails.', 'invoicing' ), $vat_name );
+            $return['message']  = wp_sprintf(__('Fail to validate the %s number: EU Commission VAT server (VIES) check fails.', 'invoicing'), $vat_name);
         }
 
         return $return;
     }
 
-    public static function request_euvatrates( $group ) {
+    public static function request_euvatrates($group) {
         $response               = array();
         $response['success']    = false;
         $response['error']      = null;
         $response['eurates']    = null;
 
         $euvatrates_url = 'https://euvatrates.com/rates.json';
-        $euvatrates_url = apply_filters( 'wpinv_euvatrates_url', $euvatrates_url );
-        $api_response   = wp_remote_get( $euvatrates_url );
+        $euvatrates_url = apply_filters('wpinv_euvatrates_url', $euvatrates_url);
+        $api_response   = wp_remote_get($euvatrates_url);
 
         try {
-            if ( is_wp_error( $api_response ) ) {
-                $response['error']      = __( $api_response->get_error_message(), 'invoicing' );
+            if (is_wp_error($api_response)) {
+                $response['error'] = __($api_response->get_error_message(), 'invoicing');
             } else {
-                $body = json_decode( $api_response['body'] );
-                if ( isset( $body->rates ) ) {
+                $body = json_decode($api_response['body']);
+                if (isset($body->rates)) {
                     $rates = array();
 
-                    foreach ( $body->rates as $country_code => $rate ) {
+                    foreach ($body->rates as $country_code => $rate) {
                         $vat_rate = array();
                         $vat_rate['country']        = $rate->country;
-                        $vat_rate['standard']       = (float)$rate->standard_rate;
-                        $vat_rate['reduced']        = (float)$rate->reduced_rate;
-                        $vat_rate['superreduced']   = (float)$rate->super_reduced_rate;
-                        $vat_rate['parking']        = (float)$rate->parking_rate;
+                        $vat_rate['standard']       = (float) $rate->standard_rate;
+                        $vat_rate['reduced']        = (float) $rate->reduced_rate;
+                        $vat_rate['superreduced']   = (float) $rate->super_reduced_rate;
+                        $vat_rate['parking']        = (float) $rate->parking_rate;
 
-                        if ( $group !== '' && in_array( $group, array( 'standard', 'reduced', 'superreduced', 'parking' ) ) ) {
+                        if ($group !== '' && in_array($group, array('standard', 'reduced', 'superreduced', 'parking'))) {
                             $vat_rate_group = array();
                             $vat_rate_group['country'] = $rate->country;
                             $vat_rate_group[$group]    = $vat_rate[$group];
@@ -1243,79 +1243,79 @@ 
                     }
 
                     $response['success']    = true;
-                    $response['rates']      = apply_filters( 'wpinv_process_euvatrates', $rates, $api_response, $group );
+                    $response['rates']      = apply_filters('wpinv_process_euvatrates', $rates, $api_response, $group);
                 } else {
-                    $response['error']      = __( 'No EU rates found!', 'invoicing' );
+                    $response['error']      = __('No EU rates found!', 'invoicing');
                 }
             }
-        } catch ( Exception $e ) {
-            $response['error'] = __( $e->getMessage(), 'invoicing' );
+        } catch (Exception $e) {
+            $response['error'] = __($e->getMessage(), 'invoicing');
         }
 
-        return apply_filters( 'wpinv_response_euvatrates', $response, $group );
+        return apply_filters('wpinv_response_euvatrates', $response, $group);
     }
 
-    public static function requires_vat( $requires_vat = false, $user_id = 0, $is_digital = null ) {
+    public static function requires_vat($requires_vat = false, $user_id = 0, $is_digital = null) {
         global $wpi_item_id, $wpi_country;
 
-        if ( !empty( $_POST['wpinv_country'] ) ) {
-            $country_code = trim( $_POST['wpinv_country'] );
-        } else if ( !empty( $_POST['country'] ) ) {
-            $country_code = trim( $_POST['country'] );
-        } else if ( !empty( $wpi_country ) ) {
+        if (!empty($_POST['wpinv_country'])) {
+            $country_code = trim($_POST['wpinv_country']);
+        } else if (!empty($_POST['country'])) {
+            $country_code = trim($_POST['country']);
+        } else if (!empty($wpi_country)) {
             $country_code = $wpi_country;
         } else {
-            $country_code = self::get_user_country( '', $user_id );
+            $country_code = self::get_user_country('', $user_id);
         }
 
-        if ( $is_digital === null && $wpi_item_id ) {
-            $is_digital = $wpi_item_id ? self::item_has_digital_rule( $wpi_item_id ) : self::allow_vat_rules();
+        if ($is_digital === null && $wpi_item_id) {
+            $is_digital = $wpi_item_id ? self::item_has_digital_rule($wpi_item_id) : self::allow_vat_rules();
         }
 
-        if ( !empty( $country_code ) ) {
-            $requires_vat = ( self::is_eu_state( $country_code ) && ( self::is_eu_state( wpinv_get_default_country() ) || $is_digital ) ) || ( self::is_gst_country( $country_code ) && self::is_gst_country( wpinv_get_default_country() ) );
+        if (!empty($country_code)) {
+            $requires_vat = (self::is_eu_state($country_code) && (self::is_eu_state(wpinv_get_default_country()) || $is_digital)) || (self::is_gst_country($country_code) && self::is_gst_country(wpinv_get_default_country()));
         }
 
-        return apply_filters( 'wpinv_requires_vat', $requires_vat, $user_id );
+        return apply_filters('wpinv_requires_vat', $requires_vat, $user_id);
     }
 
-    public static function tax_label( $label = '' ) {
+    public static function tax_label($label = '') {
         global $wpi_requires_vat;
 
-        if ( !( $wpi_requires_vat !== 0 && $wpi_requires_vat ) ) {
-            $wpi_requires_vat = self::requires_vat( 0, false );
+        if (!($wpi_requires_vat !== 0 && $wpi_requires_vat)) {
+            $wpi_requires_vat = self::requires_vat(0, false);
         }
 
-        return $wpi_requires_vat ? __( self::get_vat_name(), 'invoicing' ) : ( $label ? $label : __( 'Tax', 'invoicing' ) );
+        return $wpi_requires_vat ? __(self::get_vat_name(), 'invoicing') : ($label ? $label : __('Tax', 'invoicing'));
     }
 
     public static function standard_rates_label() {
-        return __( 'Standard Rates', 'invoicing' );
+        return __('Standard Rates', 'invoicing');
     }
 
-    public static function get_rate_classes( $with_desc = false ) {
-        $rate_classes_option = get_option( '_wpinv_vat_rate_classes', true );
-        $classes = maybe_unserialize( $rate_classes_option );
+    public static function get_rate_classes($with_desc = false) {
+        $rate_classes_option = get_option('_wpinv_vat_rate_classes', true);
+        $classes = maybe_unserialize($rate_classes_option);
 
-        if ( empty( $classes ) || !is_array( $classes ) ) {
+        if (empty($classes) || !is_array($classes)) {
             $classes = array();
         }
 
         $rate_classes = array();
-        if ( !array_key_exists( '_standard', $classes ) ) {
-            if ( $with_desc ) {
-                $rate_classes['_standard'] = array( 'name' => self::standard_rates_label(), 'desc' => __( 'EU member states standard VAT rates', 'invoicing' ) );
+        if (!array_key_exists('_standard', $classes)) {
+            if ($with_desc) {
+                $rate_classes['_standard'] = array('name' => self::standard_rates_label(), 'desc' => __('EU member states standard VAT rates', 'invoicing'));
             } else {
                 $rate_classes['_standard'] = self::standard_rates_label();
             }
         }
 
-        foreach ( $classes as $key => $class ) {
-            $name = !empty( $class['name'] ) ? __( $class['name'], 'invoicing' ) : $key;
-            $desc = !empty( $class['desc'] ) ? __( $class['desc'], 'invoicing' ) : '';
+        foreach ($classes as $key => $class) {
+            $name = !empty($class['name']) ? __($class['name'], 'invoicing') : $key;
+            $desc = !empty($class['desc']) ? __($class['desc'], 'invoicing') : '';
 
-            if ( $with_desc ) {
-                $rate_classes[$key] = array( 'name' => $name, 'desc' => $desc );
+            if ($with_desc) {
+                $rate_classes[$key] = array('name' => $name, 'desc' => $desc);
             } else {
                 $rate_classes[$key] = $name;
             }
@@ -1326,15 +1326,15 @@ 
 
     public static function get_all_classes() {
         $classes            = self::get_rate_classes();
-        $classes['_exempt'] = __( 'Exempt (0%)', 'invoicing' );
+        $classes['_exempt'] = __('Exempt (0%)', 'invoicing');
 
-        return apply_filters( 'wpinv_vat_get_all_classes', $classes );
+        return apply_filters('wpinv_vat_get_all_classes', $classes);
     }
 
-    public static function get_class_desc( $rate_class ) {
-        $rate_classes = self::get_rate_classes( true );
+    public static function get_class_desc($rate_class) {
+        $rate_classes = self::get_rate_classes(true);
 
-        if ( !empty( $rate_classes ) && isset( $rate_classes[$rate_class] ) && isset( $rate_classes[$rate_class]['desc'] ) ) {
+        if (!empty($rate_classes) && isset($rate_classes[$rate_class]) && isset($rate_classes[$rate_class]['desc'])) {
             return $rate_classes[$rate_class]['desc'];
         }
 
@@ -1350,107 +1350,107 @@ 
             'increased'     => 'Increased'
         );
 
-        return apply_filters( 'wpinv_get_vat_groups', $vat_groups );
+        return apply_filters('wpinv_get_vat_groups', $vat_groups);
     }
 
     public static function get_rules() {
         $vat_rules = array(
-            'digital' => __( 'Digital Product', 'invoicing' ),
-            'physical' => __( 'Physical Product', 'invoicing' ),
-            '_exempt' => __( 'Tax-Free Product', 'invoicing' ),
+            'digital' => __('Digital Product', 'invoicing'),
+            'physical' => __('Physical Product', 'invoicing'),
+            '_exempt' => __('Tax-Free Product', 'invoicing'),
         );
-        return apply_filters( 'wpinv_get_vat_rules', $vat_rules );
+        return apply_filters('wpinv_get_vat_rules', $vat_rules);
     }
 
-    public static function get_vat_rates( $class ) {
-        if ( $class === '_standard' ) {
+    public static function get_vat_rates($class) {
+        if ($class === '_standard') {
             return wpinv_get_tax_rates();
         }
 
         $rates = self::get_non_standard_rates();
 
-        return array_key_exists( $class, $rates ) ? $rates[$class] : array();
+        return array_key_exists($class, $rates) ? $rates[$class] : array();
     }
 
     public static function get_non_standard_rates() {
-        $option = get_option( 'wpinv_vat_rates', array());
-        return is_array( $option ) ? $option : array();
+        $option = get_option('wpinv_vat_rates', array());
+        return is_array($option) ? $option : array();
     }
 
     public static function allow_vat_rules() {
-        return ( wpinv_use_taxes() && wpinv_get_option( 'apply_vat_rules' ) ? true : false );
+        return (wpinv_use_taxes() && wpinv_get_option('apply_vat_rules') ? true : false);
     }
 
     public static function allow_vat_classes() {
         return false; // TODO
-        return ( wpinv_get_option( 'vat_allow_classes' ) ? true : false );
+        return (wpinv_get_option('vat_allow_classes') ? true : false);
     }
 
-    public static function get_item_class( $postID ) {
-        $class = get_post_meta( $postID, '_wpinv_vat_class', true );
+    public static function get_item_class($postID) {
+        $class = get_post_meta($postID, '_wpinv_vat_class', true);
 
-        if ( empty( $class ) ) {
+        if (empty($class)) {
             $class = '_standard';
         }
 
-        return apply_filters( 'wpinv_get_item_vat_class', $class, $postID );
+        return apply_filters('wpinv_get_item_vat_class', $class, $postID);
     }
 
-    public static function item_class_label( $postID ) {
+    public static function item_class_label($postID) {
         $vat_classes = self::get_all_classes();
 
-        $class = self::get_item_class( $postID );
-        $class = isset( $vat_classes[$class] ) ? $vat_classes[$class] : __( $class, 'invoicing' );
+        $class = self::get_item_class($postID);
+        $class = isset($vat_classes[$class]) ? $vat_classes[$class] : __($class, 'invoicing');
 
-        return apply_filters( 'wpinv_item_class_label', $class, $postID );
+        return apply_filters('wpinv_item_class_label', $class, $postID);
     }
 
-    public static function get_item_rule( $postID ) {
-        $rule_type = get_post_meta( $postID, '_wpinv_vat_rule', true );
+    public static function get_item_rule($postID) {
+        $rule_type = get_post_meta($postID, '_wpinv_vat_rule', true);
 
-        if ( empty( $rule_type ) ) {
+        if (empty($rule_type)) {
             $rule_type = self::allow_vat_rules() ? 'digital' : 'physical';
         }
 
-        return apply_filters( 'wpinv_item_get_vat_rule', $rule_type, $postID );
+        return apply_filters('wpinv_item_get_vat_rule', $rule_type, $postID);
     }
 
-    public static function item_rule_label( $postID ) {
+    public static function item_rule_label($postID) {
         $vat_rules  = self::get_rules();
-        $vat_rule   = self::get_item_rule( $postID );
-        $vat_rule   = isset( $vat_rules[$vat_rule] ) ? $vat_rules[$vat_rule] : $vat_rule;
+        $vat_rule   = self::get_item_rule($postID);
+        $vat_rule   = isset($vat_rules[$vat_rule]) ? $vat_rules[$vat_rule] : $vat_rule;
 
-        return apply_filters( 'wpinv_item_rule_label', $vat_rule, $postID );
+        return apply_filters('wpinv_item_rule_label', $vat_rule, $postID);
     }
 
-    public static function item_has_digital_rule( $item_id = 0 ) {
-        return self::get_item_rule( $item_id ) == 'digital' ? true : false;
+    public static function item_has_digital_rule($item_id = 0) {
+        return self::get_item_rule($item_id) == 'digital' ? true : false;
     }
 
-    public static function invoice_has_digital_rule( $invoice = 0 ) {
-        if ( !self::allow_vat_rules() ) {
+    public static function invoice_has_digital_rule($invoice = 0) {
+        if (!self::allow_vat_rules()) {
             return false;
         }
 
-        if ( empty( $invoice ) ) {
+        if (empty($invoice)) {
             return true;
         }
 
-        if ( is_int( $invoice ) ) {
-            $invoice = new WPInv_Invoice( $invoice );
+        if (is_int($invoice)) {
+            $invoice = new WPInv_Invoice($invoice);
         }
 
-        if ( !( is_object( $invoice ) && is_a( $invoice, 'WPInv_Invoice' ) ) ) {
+        if (!(is_object($invoice) && is_a($invoice, 'WPInv_Invoice'))) {
             return true;
         }
 
-        $cart_items  = $invoice->get_cart_details();
+        $cart_items = $invoice->get_cart_details();
 
-        if ( !empty( $cart_items ) ) {
+        if (!empty($cart_items)) {
             $has_digital_rule = false;
 
-            foreach ( $cart_items as $key => $item ) {
-                if ( self::item_has_digital_rule( $item['id'] ) ) {
+            foreach ($cart_items as $key => $item) {
+                if (self::item_has_digital_rule($item['id'])) {
                     $has_digital_rule = true;
                     break;
                 }
@@ -1462,71 +1462,71 @@ 
         return $has_digital_rule;
     }
 
-    public static function item_is_taxable( $item_id = 0, $country = false, $state = false ) {
-        if ( !wpinv_use_taxes() ) {
+    public static function item_is_taxable($item_id = 0, $country = false, $state = false) {
+        if (!wpinv_use_taxes()) {
             return false;
         }
 
         $is_taxable = true;
 
-        if ( !empty( $item_id ) && self::get_item_class( $item_id ) == '_exempt' ) {
+        if (!empty($item_id) && self::get_item_class($item_id) == '_exempt') {
             $is_taxable = false;
         }
 
-        if ( !empty( $item_id ) && self::get_item_rule( $item_id ) == '_exempt' ) {
+        if (!empty($item_id) && self::get_item_rule($item_id) == '_exempt') {
             $is_taxable = false;
         }
 
-        return apply_filters( 'wpinv_item_is_taxable', $is_taxable, $item_id, $country , $state );
+        return apply_filters('wpinv_item_is_taxable', $is_taxable, $item_id, $country, $state);
     }
 
-    public static function find_rate( $country, $state, $rate, $class ) {
+    public static function find_rate($country, $state, $rate, $class) {
         global $wpi_zero_tax;
 
-        if ( $class === '_exempt' || $wpi_zero_tax ) {
+        if ($class === '_exempt' || $wpi_zero_tax) {
             return 0;
         }
 
-        $tax_rates   = wpinv_get_tax_rates();
+        $tax_rates = wpinv_get_tax_rates();
 
-        if ( $class !== '_standard' ) {
-            $class_rates = self::get_vat_rates( $class );
+        if ($class !== '_standard') {
+            $class_rates = self::get_vat_rates($class);
 
-            if ( is_array( $class_rates ) ) {
+            if (is_array($class_rates)) {
                 $indexed_class_rates = array();
 
-                foreach ( $class_rates as $key => $cr ) {
+                foreach ($class_rates as $key => $cr) {
                     $indexed_class_rates[$cr['country']] = $cr;
                 }
 
-                $tax_rates = array_map( function( $tr ) use( $indexed_class_rates ) {
+                $tax_rates = array_map(function($tr) use($indexed_class_rates) {
                     $tr_country = $tr['country'];
-                    if ( !isset( $indexed_class_rates[$tr_country] ) ) {
+                    if (!isset($indexed_class_rates[$tr_country])) {
                         return $tr;
                     }
                     $icr = $indexed_class_rates[$tr_country];
-                    return ( empty( $icr['rate'] ) && $icr['rate'] !== '0' ) ? $tr : $icr;
+                    return (empty($icr['rate']) && $icr['rate'] !== '0') ? $tr : $icr;
 
-                }, $tax_rates, $class_rates );
+                }, $tax_rates, $class_rates);
             }
         }
 
-        if ( !empty( $tax_rates ) ) {
-            foreach ( $tax_rates as $key => $tax_rate ) {
-                if ( $country != $tax_rate['country'] )
+        if (!empty($tax_rates)) {
+            foreach ($tax_rates as $key => $tax_rate) {
+                if ($country != $tax_rate['country'])
                     continue;
 
-                if ( !empty( $tax_rate['global'] ) ) {
-                    if ( 0 !== $tax_rate['rate'] || !empty( $tax_rate['rate'] ) ) {
-                        $rate = number_format( $tax_rate['rate'], 4 );
+                if (!empty($tax_rate['global'])) {
+                    if (0 !== $tax_rate['rate'] || !empty($tax_rate['rate'])) {
+                        $rate = number_format($tax_rate['rate'], 4);
                     }
                 } else {
-                    if ( empty( $tax_rate['state'] ) || strtolower( $state ) != strtolower( $tax_rate['state'] ) )
+                    if (empty($tax_rate['state']) || strtolower($state) != strtolower($tax_rate['state']))
                         continue;
 
                     $state_rate = $tax_rate['rate'];
-                    if ( 0 !== $state_rate || !empty( $state_rate ) ) {
-                        $rate = number_format( $state_rate, 4 );
+                    if (0 !== $state_rate || !empty($state_rate)) {
+                        $rate = number_format($state_rate, 4);
                     }
                 }
             }
@@ -1535,84 +1535,84 @@ 
         return $rate;
     }
 
-    public static function get_rate( $rate = 1, $country = '', $state = '', $item_id = 0 ) {
+    public static function get_rate($rate = 1, $country = '', $state = '', $item_id = 0) {
         global $wpinv_options, $wpi_item_id, $wpi_zero_tax;
 
         $item_id = $item_id > 0 ? $item_id : $wpi_item_id;
         $allow_vat_classes = self::allow_vat_classes();
-        $class = $item_id ? self::get_item_class( $item_id ) : '_standard';
+        $class = $item_id ? self::get_item_class($item_id) : '_standard';
 
-        if ( $class === '_exempt' || $wpi_zero_tax ) {
+        if ($class === '_exempt' || $wpi_zero_tax) {
             return 0;
-        } else if ( !$allow_vat_classes ) {
+        } else if (!$allow_vat_classes) {
             $class = '_standard';
         }
 
-        if( !empty( $_POST['wpinv_country'] ) ) {
+        if (!empty($_POST['wpinv_country'])) {
             $post_country = $_POST['wpinv_country'];
-        } elseif( !empty( $_POST['wpinv_country'] ) ) {
+        } elseif (!empty($_POST['wpinv_country'])) {
             $post_country = $_POST['wpinv_country'];
-        } elseif( !empty( $_POST['country'] ) ) {
+        } elseif (!empty($_POST['country'])) {
             $post_country = $_POST['country'];
         } else {
             $post_country = '';
         }
 
-        $country        = !empty( $post_country ) ? $post_country : wpinv_default_billing_country( $country );
-        $base_country   = wpinv_is_base_country( $country );
+        $country        = !empty($post_country) ? $post_country : wpinv_default_billing_country($country);
+        $base_country   = wpinv_is_base_country($country);
 
-        $requires_vat   = self::requires_vat( 0, false );
-        $is_digital     = self::get_item_rule( $item_id ) == 'digital' ;
-        $rate           = $requires_vat && isset( $wpinv_options['eu_fallback_rate'] ) ? $wpinv_options['eu_fallback_rate'] : $rate;
+        $requires_vat   = self::requires_vat(0, false);
+        $is_digital     = self::get_item_rule($item_id) == 'digital';
+        $rate           = $requires_vat && isset($wpinv_options['eu_fallback_rate']) ? $wpinv_options['eu_fallback_rate'] : $rate;
 
-        if ( self::same_country_rule() == 'no' && $base_country ) { // Disable VAT to same country
+        if (self::same_country_rule() == 'no' && $base_country) { // Disable VAT to same country
             $rate = 0;
-        } else if ( $requires_vat ) {
-            $vat_number = self::get_user_vat_number( '', 0, true );
+        } else if ($requires_vat) {
+            $vat_number = self::get_user_vat_number('', 0, true);
             $vat_info   = self::current_vat_data();
 
-            if ( is_array( $vat_info ) ) {
-                $vat_number = isset( $vat_info['number'] ) && !empty( $vat_info['valid'] ) ? $vat_info['number'] : "";
+            if (is_array($vat_info)) {
+                $vat_number = isset($vat_info['number']) && !empty($vat_info['valid']) ? $vat_info['number'] : "";
             }
 
-            if ( $country == 'UK' ) {
+            if ($country == 'UK') {
                 $country = 'GB';
             }
 
-            if ( !empty( $vat_number ) ) {
+            if (!empty($vat_number)) {
                 $rate = 0;
             } else {
-                $rate = self::find_rate( $country, $state, $rate, $class ); // Fix if there are no tax rated and you try to pay an invoice it does not add the fallback tax rate
+                $rate = self::find_rate($country, $state, $rate, $class); // Fix if there are no tax rated and you try to pay an invoice it does not add the fallback tax rate
             }
 
-            if ( empty( $vat_number ) && !$is_digital ) {
-                if ( $base_country ) {
-                    $rate = self::find_rate( $country, null, $rate, $class );
+            if (empty($vat_number) && !$is_digital) {
+                if ($base_country) {
+                    $rate = self::find_rate($country, null, $rate, $class);
                 } else {
-                    if ( empty( $country ) && isset( $wpinv_options['eu_fallback_rate'] ) ) {
+                    if (empty($country) && isset($wpinv_options['eu_fallback_rate'])) {
                         $rate = $wpinv_options['eu_fallback_rate'];
-                    } else if( !empty( $country ) ) {
-                        $rate = self::find_rate( $country, $state, $rate, $class );
+                    } else if (!empty($country)) {
+                        $rate = self::find_rate($country, $state, $rate, $class);
                     }
                 }
-            } else if ( empty( $vat_number ) || ( self::same_country_rule() == 'always' && $base_country ) ) {
-                if ( empty( $country ) && isset( $wpinv_options['eu_fallback_rate'] ) ) {
+            } else if (empty($vat_number) || (self::same_country_rule() == 'always' && $base_country)) {
+                if (empty($country) && isset($wpinv_options['eu_fallback_rate'])) {
                     $rate = $wpinv_options['eu_fallback_rate'];
-                } else if( !empty( $country ) ) {
-                    $rate = self::find_rate( $country, $state, $rate, $class );
+                } else if (!empty($country)) {
+                    $rate = self::find_rate($country, $state, $rate, $class);
                 }
             }
         } else {
-            if ( $is_digital ) {
+            if ($is_digital) {
                 $ip_country_code = self::get_country_by_ip();
 
-                if ( $ip_country_code && self::is_eu_state( $ip_country_code ) ) {
-                    $rate = self::find_rate( $ip_country_code, '', 0, $class );
+                if ($ip_country_code && self::is_eu_state($ip_country_code)) {
+                    $rate = self::find_rate($ip_country_code, '', 0, $class);
                 } else {
-                    $rate = self::find_rate( $country, $state, $rate, $class );
+                    $rate = self::find_rate($country, $state, $rate, $class);
                 }
             } else {
-                $rate = self::find_rate( $country, $state, $rate, $class );
+                $rate = self::find_rate($country, $state, $rate, $class);
             }
         }
 
@@ -1620,48 +1620,48 @@ 
     }
 
     public static function current_vat_data() {
-        return getpaid_session()->get( 'user_vat_data' );
+        return getpaid_session()->get('user_vat_data');
     }
 
-    public static function get_user_country( $country = '', $user_id = 0 ) {
-        $user_address = wpinv_get_user_address( $user_id, false );
+    public static function get_user_country($country = '', $user_id = 0) {
+        $user_address = wpinv_get_user_address($user_id, false);
 
-        if ( wpinv_get_option( 'vat_ip_country_default' ) ) {
+        if (wpinv_get_option('vat_ip_country_default')) {
             $country = '';
         }
 
-        $country    = empty( $user_address ) || !isset( $user_address['country'] ) || empty( $user_address['country'] ) ? $country : $user_address['country'];
-        $result     = apply_filters( 'wpinv_get_user_country', $country, $user_id );
+        $country    = empty($user_address) || !isset($user_address['country']) || empty($user_address['country']) ? $country : $user_address['country'];
+        $result     = apply_filters('wpinv_get_user_country', $country, $user_id);
 
-        if ( empty( $result ) ) {
+        if (empty($result)) {
             $result = self::get_country_by_ip();
         }
 
         return $result;
     }
 
-    public static function set_user_country( $country = '', $user_id = 0 ) {
+    public static function set_user_country($country = '', $user_id = 0) {
         global $wpi_userID;
 
-        if ( empty($country) && !empty($wpi_userID) && get_current_user_id() != $wpi_userID ) {
+        if (empty($country) && !empty($wpi_userID) && get_current_user_id() != $wpi_userID) {
             $country = wpinv_get_default_country();
         }
 
         return $country;
     }
 
-    public static function get_user_vat_number( $vat_number = '', $user_id = 0, $is_valid = false ) {
+    public static function get_user_vat_number($vat_number = '', $user_id = 0, $is_valid = false) {
         global $wpi_current_id, $wpi_userID;
 
-        if ( !empty( $_POST['new_user'] ) ) {
+        if (!empty($_POST['new_user'])) {
             return '';
         }
 
-        if ( empty( $user_id ) ) {
-            $user_id = !empty( $wpi_userID ) ? $wpi_userID : ( $wpi_current_id ? wpinv_get_user_id( $wpi_current_id ) : get_current_user_id() );
+        if (empty($user_id)) {
+            $user_id = !empty($wpi_userID) ? $wpi_userID : ($wpi_current_id ? wpinv_get_user_id($wpi_current_id) : get_current_user_id());
         }
 
-        $vat_number = empty( $user_id ) ? '' : get_user_meta( $user_id, '_wpinv_vat_number', true );
+        $vat_number = empty($user_id) ? '' : get_user_meta($user_id, '_wpinv_vat_number', true);
 
         /* TODO
         if ( $is_valid && $vat_number ) {
@@ -1672,38 +1672,38 @@ 
         }
         */
 
-        return apply_filters('wpinv_get_user_vat_number', $vat_number, $user_id, $is_valid );
+        return apply_filters('wpinv_get_user_vat_number', $vat_number, $user_id, $is_valid);
     }
 
-    public static function get_user_company( $company = '', $user_id = 0 ) {
+    public static function get_user_company($company = '', $user_id = 0) {
         global $wpi_current_id, $wpi_userID;
 
-        if ( empty( $user_id ) ) {
-            $user_id = !empty( $wpi_userID ) ? $wpi_userID : ( $wpi_current_id ? wpinv_get_user_id( $wpi_current_id ) : get_current_user_id() );
+        if (empty($user_id)) {
+            $user_id = !empty($wpi_userID) ? $wpi_userID : ($wpi_current_id ? wpinv_get_user_id($wpi_current_id) : get_current_user_id());
         }
 
-        $company = empty( $user_id ) ? "" : get_user_meta( $user_id, '_wpinv_company', true );
+        $company = empty($user_id) ? "" : get_user_meta($user_id, '_wpinv_company', true);
 
-        return apply_filters( 'wpinv_user_company', $company, $user_id );
+        return apply_filters('wpinv_user_company', $company, $user_id);
     }
 
-    public static function save_user_vat_details( $company = '', $vat_number = '' ) {
-        $save = apply_filters( 'wpinv_allow_save_user_vat_details', true );
+    public static function save_user_vat_details($company = '', $vat_number = '') {
+        $save = apply_filters('wpinv_allow_save_user_vat_details', true);
 
-        if ( is_user_logged_in() && $save ) {
+        if (is_user_logged_in() && $save) {
             $user_id = get_current_user_id();
 
-            if ( !empty( $vat_number ) ) {
-                update_user_meta( $user_id, '_wpinv_vat_number', $vat_number );
+            if (!empty($vat_number)) {
+                update_user_meta($user_id, '_wpinv_vat_number', $vat_number);
             } else {
-                delete_user_meta( $user_id, '_wpinv_vat_number');
+                delete_user_meta($user_id, '_wpinv_vat_number');
             }
 
-            if ( !empty( $company ) ) {
-                update_user_meta( $user_id, '_wpinv_company', $company );
+            if (!empty($company)) {
+                update_user_meta($user_id, '_wpinv_company', $company);
             } else {
-                delete_user_meta( $user_id, '_wpinv_company');
-                delete_user_meta( $user_id, '_wpinv_vat_number');
+                delete_user_meta($user_id, '_wpinv_company');
+                delete_user_meta($user_id, '_wpinv_vat_number');
             }
         }
 
@@ -1713,113 +1713,113 @@ 
     public static function ajax_vat_validate() {
         global $wpinv_options;
 
-        $is_checkout            = ( !empty( $_POST['source'] ) && $_POST['source'] == 'checkout' ) ? true : false;
+        $is_checkout            = (!empty($_POST['source']) && $_POST['source'] == 'checkout') ? true : false;
         $response               = array();
         $response['success']    = false;
 
-        if ( empty( $_REQUEST['_wpi_nonce'] ) || ( !empty( $_REQUEST['_wpi_nonce'] ) && !wp_verify_nonce( $_REQUEST['_wpi_nonce'], 'vat_validation' ) ) ) {
-            $response['error'] = __( 'Invalid security nonce', 'invoicing' );
-            wp_send_json( $response );
+        if (empty($_REQUEST['_wpi_nonce']) || (!empty($_REQUEST['_wpi_nonce']) && !wp_verify_nonce($_REQUEST['_wpi_nonce'], 'vat_validation'))) {
+            $response['error'] = __('Invalid security nonce', 'invoicing');
+            wp_send_json($response);
         }
 
-        $vat_name   = self::get_vat_name();
+        $vat_name = self::get_vat_name();
 
-        if ( $is_checkout ) {
+        if ($is_checkout) {
             $invoice = wpinv_get_invoice_cart();
 
-            if ( !self::requires_vat( false, 0, self::invoice_has_digital_rule( $invoice ) ) ) {
+            if (!self::requires_vat(false, 0, self::invoice_has_digital_rule($invoice))) {
                 $vat_info = array();
-                getpaid_session()->set( 'user_vat_data', $vat_info );
+                getpaid_session()->set('user_vat_data', $vat_info);
 
                 self::save_user_vat_details();
 
                 $response['success'] = true;
-                $response['message'] = wp_sprintf( __( 'Ignore %s', 'invoicing' ), $vat_name );
-                wp_send_json( $response );
+                $response['message'] = wp_sprintf(__('Ignore %s', 'invoicing'), $vat_name);
+                wp_send_json($response);
             }
         }
 
-        $company    = !empty( $_POST['company'] ) ? sanitize_text_field( $_POST['company'] ) : '';
-        $vat_number = !empty( $_POST['number'] ) ? sanitize_text_field( $_POST['number'] ) : '';
+        $company    = !empty($_POST['company']) ? sanitize_text_field($_POST['company']) : '';
+        $vat_number = !empty($_POST['number']) ? sanitize_text_field($_POST['number']) : '';
 
-        $vat_info = getpaid_session()->get( 'user_vat_data' );
-        if ( !is_array( $vat_info ) || empty( $vat_info ) ) {
-            $vat_info = array( 'company'=> $company, 'number' => '', 'valid' => true );
+        $vat_info = getpaid_session()->get('user_vat_data');
+        if (!is_array($vat_info) || empty($vat_info)) {
+            $vat_info = array('company'=> $company, 'number' => '', 'valid' => true);
         }
 
-        if ( empty( $vat_number ) ) {
-            if ( $is_checkout ) {
+        if (empty($vat_number)) {
+            if ($is_checkout) {
                 $response['success'] = true;
-                $response['message'] = wp_sprintf( __( 'No %s number has been applied. %s will be added to invoice totals', 'invoicing' ), $vat_name, $vat_name );
+                $response['message'] = wp_sprintf(__('No %s number has been applied. %s will be added to invoice totals', 'invoicing'), $vat_name, $vat_name);
 
-                $vat_info = getpaid_session()->get( 'user_vat_data' );
+                $vat_info = getpaid_session()->get('user_vat_data');
                 $vat_info['number'] = "";
                 $vat_info['valid'] = true;
 
-                self::save_user_vat_details( $company );
+                self::save_user_vat_details($company);
             } else {
-                $response['error'] = wp_sprintf( __( 'Please enter your %s number!', 'invoicing' ), $vat_name );
+                $response['error'] = wp_sprintf(__('Please enter your %s number!', 'invoicing'), $vat_name);
 
                 $vat_info['valid'] = false;
             }
 
-            getpaid_session()->set( 'user_vat_data', $vat_info );
-            wp_send_json( $response );
+            getpaid_session()->set('user_vat_data', $vat_info);
+            wp_send_json($response);
         }
 
-        if ( empty( $company ) ) {
+        if (empty($company)) {
             $vat_info['valid'] = false;
-            getpaid_session()->set( 'user_vat_data', $vat_info );
+            getpaid_session()->set('user_vat_data', $vat_info);
 
-            $response['error'] = __( 'Please enter your registered company name!', 'invoicing' );
-            wp_send_json( $response );
+            $response['error'] = __('Please enter your registered company name!', 'invoicing');
+            wp_send_json($response);
         }
 
-        if ( !empty( $wpinv_options['vat_vies_check'] ) ) {
-            if ( empty( $wpinv_options['vat_offline_check'] ) && !self::offline_check( $vat_number ) ) {
+        if (!empty($wpinv_options['vat_vies_check'])) {
+            if (empty($wpinv_options['vat_offline_check']) && !self::offline_check($vat_number)) {
                 $vat_info['valid'] = false;
-                getpaid_session()->set( 'user_vat_data', $vat_info );
+                getpaid_session()->set('user_vat_data', $vat_info);
 
-                $response['error'] = wp_sprintf( __( '%s number not validated', 'invoicing' ), $vat_name );
-                wp_send_json( $response );
+                $response['error'] = wp_sprintf(__('%s number not validated', 'invoicing'), $vat_name);
+                wp_send_json($response);
             }
 
             $response['success'] = true;
-            $response['message'] = wp_sprintf( __( '%s number validated', 'invoicing' ), $vat_name );
+            $response['message'] = wp_sprintf(__('%s number validated', 'invoicing'), $vat_name);
         } else {
-            $result = self::check_vat( $vat_number );
+            $result = self::check_vat($vat_number);
 
-            if ( empty( $result['valid'] ) ) {
+            if (empty($result['valid'])) {
                 $response['error'] = $result['message'];
-                wp_send_json( $response );
+                wp_send_json($response);
             }
 
-            $vies_company = !empty( $result['company'] ) ? $result['company'] : '';
-            $vies_company = apply_filters( 'wpinv_vies_company_name', $vies_company );
+            $vies_company = !empty($result['company']) ? $result['company'] : '';
+            $vies_company = apply_filters('wpinv_vies_company_name', $vies_company);
 
-            $valid_company = $vies_company && $company && ( $vies_company == '---' || strcasecmp( trim( $vies_company ), trim( $company ) ) == 0 ) ? true : false;
+            $valid_company = $vies_company && $company && ($vies_company == '---' || strcasecmp(trim($vies_company), trim($company)) == 0) ? true : false;
 
-            if ( !empty( $wpinv_options['vat_disable_company_name_check'] ) || $valid_company ) {
+            if (!empty($wpinv_options['vat_disable_company_name_check']) || $valid_company) {
                 $response['success'] = true;
-                $response['message'] = wp_sprintf( __( '%s number validated', 'invoicing' ), $vat_name );
+                $response['message'] = wp_sprintf(__('%s number validated', 'invoicing'), $vat_name);
             } else {
                 $vat_info['valid'] = false;
-                getpaid_session()->set( 'user_vat_data', $vat_info );
+                getpaid_session()->set('user_vat_data', $vat_info);
 
                 $response['success'] = false;
-                $response['message'] = wp_sprintf( __( 'The company name associated with the %s number provided is not the same as the company name provided.', 'invoicing' ), $vat_name );
-                wp_send_json( $response );
+                $response['message'] = wp_sprintf(__('The company name associated with the %s number provided is not the same as the company name provided.', 'invoicing'), $vat_name);
+                wp_send_json($response);
             }
         }
 
-        if ( $is_checkout ) {
-            self::save_user_vat_details( $company, $vat_number );
+        if ($is_checkout) {
+            self::save_user_vat_details($company, $vat_number);
 
-            $vat_info = array('company' => $company, 'number' => $vat_number, 'valid' => true );
-            getpaid_session()->set( 'user_vat_data', $vat_info );
+            $vat_info = array('company' => $company, 'number' => $vat_number, 'valid' => true);
+            getpaid_session()->set('user_vat_data', $vat_info);
         }
 
-        wp_send_json( $response );
+        wp_send_json($response);
     }
 
     /**
@@ -1827,16 +1827,16 @@ 
      * 
      * @return string
      */
-    public static function validate_vat_number( $vat_number, $company, $country ) {
+    public static function validate_vat_number($vat_number, $company, $country) {
         global $wpinv_options;
 
         // If we are not checking the vat number via view...
-        if ( ! empty( $wpinv_options['vat_vies_check'] ) ) {
+        if (!empty($wpinv_options['vat_vies_check'])) {
 
             // Try validating via regex.
-            if ( empty( $wpinv_options['vat_offline_check'] ) && ! self::offline_check( $vat_number, $country ) ) {
+            if (empty($wpinv_options['vat_offline_check']) && !self::offline_check($vat_number, $country)) {
                 return wp_sprintf(
-                    __( 'Your %s number is invalid', 'invoicing' ),
+                    __('Your %s number is invalid', 'invoicing'),
                     getpaid_vat_name()
                 );
             }
@@ -1845,23 +1845,23 @@ 
         }
 
         // Validate the vat number.
-        $result = self::check_vat( $vat_number, $country );
+        $result = self::check_vat($vat_number, $country);
 
-        if ( empty( $result['valid'] ) ) {
+        if (empty($result['valid'])) {
             return wp_sprintf(
-                __( 'Failed to validate the %s number via EU Commission VAT server (VIES).', 'invoicing' ),
+                __('Failed to validate the %s number via EU Commission VAT server (VIES).', 'invoicing'),
                 getpaid_vat_name()
             );
         }
 
         // Validate the company.
-        $vies_company  = ! empty( $result['company'] ) ? $result['company'] : '';
-        $vies_company  = apply_filters( 'wpinv_vies_company_name', $vies_company );
-        $valid_company = $vies_company && $company && ( $vies_company == '---' || strcasecmp( trim( $vies_company ), trim( $company ) ) == 0 ) ? true : false;
+        $vies_company  = !empty($result['company']) ? $result['company'] : '';
+        $vies_company  = apply_filters('wpinv_vies_company_name', $vies_company);
+        $valid_company = $vies_company && $company && ($vies_company == '---' || strcasecmp(trim($vies_company), trim($company)) == 0) ? true : false;
 
-        if ( ! $valid_company && ! empty( $wpinv_options['vat_disable_company_name_check'] ) ) {
+        if (!$valid_company && !empty($wpinv_options['vat_disable_company_name_check'])) {
            return wp_sprintf(
-                __( 'The company name associated with the %s number provided is not the same as the company name provided.', 'invoicing' ),
+                __('The company name associated with the %s number provided is not the same as the company name provided.', 'invoicing'),
                 getpaid_vat_name()
             );
         }

templates/payment-forms/elements/ip_address.php

Spacing +6 added lines, -6 removed lines

@@ -7,17 +7,17 @@
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
-if ( empty( $text ) ) {
-    $text = __( 'Your IP address is:', 'invoicing' );
+if (empty($text)) {
+    $text = __('Your IP address is:', 'invoicing');
 }
 
-$ip_address = sanitize_text_field( wpinv_get_ip() );
-$url        = esc_url( getpaid_ip_location_url( $ip_address ) );
+$ip_address = sanitize_text_field(wpinv_get_ip());
+$url        = esc_url(getpaid_ip_location_url($ip_address));
 
 ?>
 <div class="form-group getpaid-ip-info">
-    <span><?php echo wp_kses_post( $text ); ?></span>
+    <span><?php echo wp_kses_post($text); ?></span>
     <a target='_blank' href='<?php echo $url; ?>'><?php echo $ip_address; ?>&nbsp;&nbsp;<i class='fa fa-external-link-square' aria-hidden='true'></i></a>
 </div>