AyeCode / invoicing

includes/class-wpinv-ajax.php

Spacing +421 added lines, -421 removed lines

@@ -7,28 +7,28 @@ 
  */
  
 // MUST have WordPress.
-if ( !defined( 'WPINC' ) ) {
-    exit( 'Do NOT access this file directly: ' . basename( __FILE__ ) );
+if (!defined('WPINC')) {
+    exit('Do NOT access this file directly: ' . basename(__FILE__));
 }
 
 class WPInv_Ajax {
     public static function init() {
-        add_action( 'init', array( __CLASS__, 'define_ajax' ), 0 );
-        add_action( 'template_redirect', array( __CLASS__, 'do_wpinv_ajax' ), 0 );
+        add_action('init', array(__CLASS__, 'define_ajax'), 0);
+        add_action('template_redirect', array(__CLASS__, 'do_wpinv_ajax'), 0);
         self::add_ajax_events();
     }
 
     public static function define_ajax() {
-        if ( !empty( $_GET['wpinv-ajax'] ) ) {
-            if ( ! defined( 'DOING_AJAX' ) ) {
-                define( 'DOING_AJAX', true );
+        if (!empty($_GET['wpinv-ajax'])) {
+            if (!defined('DOING_AJAX')) {
+                define('DOING_AJAX', true);
             }
-            if ( ! defined( 'WC_DOING_AJAX' ) ) {
-                define( 'WC_DOING_AJAX', true );
+            if (!defined('WC_DOING_AJAX')) {
+                define('WC_DOING_AJAX', true);
             }
             // Turn off display_errors during AJAX events to prevent malformed JSON
-            if ( ! WP_DEBUG || ( WP_DEBUG && ! WP_DEBUG_DISPLAY ) ) {
-                /** @scrutinizer ignore-unhandled */ @ini_set( 'display_errors', 0 );
+            if (!WP_DEBUG || (WP_DEBUG && !WP_DEBUG_DISPLAY)) {
+                /** @scrutinizer ignore-unhandled */ @ini_set('display_errors', 0);
             }
             $GLOBALS['wpdb']->hide_errors();
         }
@@ -37,24 +37,24 @@ 
     public static function do_wpinv_ajax() {
         global $wp_query;
 
-        if ( !empty( $_GET['wpinv-ajax'] ) ) {
-            $wp_query->set( 'wpinv-ajax', sanitize_text_field( $_GET['wpinv-ajax'] ) );
+        if (!empty($_GET['wpinv-ajax'])) {
+            $wp_query->set('wpinv-ajax', sanitize_text_field($_GET['wpinv-ajax']));
         }
 
-        if ( $action = $wp_query->get( 'wpinv-ajax' ) ) {
+        if ($action = $wp_query->get('wpinv-ajax')) {
             self::wpinv_ajax_headers();
-            do_action( 'wpinv_ajax_' . sanitize_text_field( $action ) );
+            do_action('wpinv_ajax_' . sanitize_text_field($action));
             die();
         }
     }
     
     private static function wpinv_ajax_headers() {
         send_origin_headers();
-        /** @scrutinizer ignore-unhandled */ @header( 'Content-Type: text/html; charset=' . get_option( 'blog_charset' ) );
-        /** @scrutinizer ignore-unhandled */ @header( 'X-Robots-Tag: noindex' );
+        /** @scrutinizer ignore-unhandled */ @header('Content-Type: text/html; charset=' . get_option('blog_charset'));
+        /** @scrutinizer ignore-unhandled */ @header('X-Robots-Tag: noindex');
         send_nosniff_header();
         nocache_headers();
-        status_header( 200 );
+        status_header(200);
     }
     
     public static function add_ajax_events() {
@@ -86,41 +86,41 @@ 
             'payment_form_refresh_prices' => true,
         );
 
-        foreach ( $ajax_events as $ajax_event => $nopriv ) {
-            add_action( 'wp_ajax_wpinv_' . $ajax_event, array( __CLASS__, $ajax_event ) );
-            add_action( 'wp_ajax_getpaid_' . $ajax_event, array( __CLASS__, $ajax_event ) );
+        foreach ($ajax_events as $ajax_event => $nopriv) {
+            add_action('wp_ajax_wpinv_' . $ajax_event, array(__CLASS__, $ajax_event));
+            add_action('wp_ajax_getpaid_' . $ajax_event, array(__CLASS__, $ajax_event));
             
-            if ( !defined( 'WPI_AJAX_' . strtoupper( $nopriv ) ) ) {
-                define( 'WPI_AJAX_' . strtoupper( $nopriv ), 1 );
+            if (!defined('WPI_AJAX_' . strtoupper($nopriv))) {
+                define('WPI_AJAX_' . strtoupper($nopriv), 1);
             }
 
-            if ( $nopriv ) {
-                add_action( 'wp_ajax_nopriv_wpinv_' . $ajax_event, array( __CLASS__, $ajax_event ) );
-                add_action( 'wp_ajax_nopriv_getpaid_' . $ajax_event, array( __CLASS__, $ajax_event ) );
+            if ($nopriv) {
+                add_action('wp_ajax_nopriv_wpinv_' . $ajax_event, array(__CLASS__, $ajax_event));
+                add_action('wp_ajax_nopriv_getpaid_' . $ajax_event, array(__CLASS__, $ajax_event));
 
-                add_action( 'wpinv_ajax_' . $ajax_event, array( __CLASS__, $ajax_event ) );
+                add_action('wpinv_ajax_' . $ajax_event, array(__CLASS__, $ajax_event));
             }
         }
     }
     
     public static function add_note() {
-        check_ajax_referer( 'add-invoice-note', '_nonce' );
+        check_ajax_referer('add-invoice-note', '_nonce');
 
-        if ( ! wpinv_current_user_can_manage_invoicing() ) {
+        if (!wpinv_current_user_can_manage_invoicing()) {
             die(-1);
         }
 
-        $post_id   = absint( $_POST['post_id'] );
-        $note      = wp_kses_post( trim( stripslashes( $_POST['note'] ) ) );
-        $note_type = sanitize_text_field( $_POST['note_type'] );
+        $post_id   = absint($_POST['post_id']);
+        $note      = wp_kses_post(trim(stripslashes($_POST['note'])));
+        $note_type = sanitize_text_field($_POST['note_type']);
 
         $is_customer_note = $note_type == 'customer' ? 1 : 0;
 
-        if ( $post_id > 0 ) {
-            $note_id = wpinv_insert_payment_note( $post_id, $note, $is_customer_note );
+        if ($post_id > 0) {
+            $note_id = wpinv_insert_payment_note($post_id, $note, $is_customer_note);
 
-            if ( $note_id > 0 && !is_wp_error( $note_id ) ) {
-                wpinv_get_invoice_note_line_item( $note_id );
+            if ($note_id > 0 && !is_wp_error($note_id)) {
+                wpinv_get_invoice_note_line_item($note_id);
             }
         }
 
@@ -128,16 +128,16 @@ 
     }
 
     public static function delete_note() {
-        check_ajax_referer( 'delete-invoice-note', '_nonce' );
+        check_ajax_referer('delete-invoice-note', '_nonce');
 
-        if ( !wpinv_current_user_can_manage_invoicing() ) {
+        if (!wpinv_current_user_can_manage_invoicing()) {
             die(-1);
         }
 
-        $note_id = (int)$_POST['note_id'];
+        $note_id = (int) $_POST['note_id'];
 
-        if ( $note_id > 0 ) {
-            wp_delete_comment( $note_id, true );
+        if ($note_id > 0) {
+            wp_delete_comment($note_id, true);
         }
 
         die();
@@ -150,8 +150,8 @@ 
     }
     
     public static function checkout() {
-        if ( ! defined( 'WPINV_CHECKOUT' ) ) {
-            define( 'WPINV_CHECKOUT', true );
+        if (!defined('WPINV_CHECKOUT')) {
+            define('WPINV_CHECKOUT', true);
         }
 
         wpinv_process_checkout();
@@ -160,53 +160,53 @@ 
     
     public static function add_invoice_item() {
         global $wpi_userID, $wpinv_ip_address_country;
-        check_ajax_referer( 'invoice-item', '_nonce' );
-        if ( !wpinv_current_user_can_manage_invoicing() ) {
+        check_ajax_referer('invoice-item', '_nonce');
+        if (!wpinv_current_user_can_manage_invoicing()) {
             die(-1);
         }
         
-        $item_id    = sanitize_text_field( $_POST['item_id'] );
-        $invoice_id = absint( $_POST['invoice_id'] );
+        $item_id    = sanitize_text_field($_POST['item_id']);
+        $invoice_id = absint($_POST['invoice_id']);
         
-        if ( !is_numeric( $invoice_id ) || !is_numeric( $item_id ) ) {
+        if (!is_numeric($invoice_id) || !is_numeric($item_id)) {
             die();
         }
         
-        $invoice    = wpinv_get_invoice( $invoice_id );
-        if ( empty( $invoice ) ) {
+        $invoice = wpinv_get_invoice($invoice_id);
+        if (empty($invoice)) {
             die();
         }
         
-        if ( $invoice->is_paid() || $invoice->is_refunded() ) {
+        if ($invoice->is_paid() || $invoice->is_refunded()) {
             die(); // Don't allow modify items for paid invoice.
         }
         
-        if ( !empty( $_POST['user_id'] ) ) {
-            $wpi_userID = absint( $_POST['user_id'] ); 
+        if (!empty($_POST['user_id'])) {
+            $wpi_userID = absint($_POST['user_id']); 
         }
 
-        $item = new WPInv_Item( $item_id );
-        if ( !( !empty( $item ) && $item->post_type == 'wpi_item' ) ) {
+        $item = new WPInv_Item($item_id);
+        if (!(!empty($item) && $item->post_type == 'wpi_item')) {
             die();
         }
         
         // Validate item before adding to invoice because recurring item must be paid individually.
-        if ( !empty( $invoice->cart_details ) ) {
+        if (!empty($invoice->cart_details)) {
             $valid = true;
             
-            if ( $recurring_item = $invoice->get_recurring() ) {
-                if ( $recurring_item != $item_id ) {
+            if ($recurring_item = $invoice->get_recurring()) {
+                if ($recurring_item != $item_id) {
                     $valid = false;
                 }
-            } else if ( wpinv_is_recurring_item( $item_id ) ) {
+            } else if (wpinv_is_recurring_item($item_id)) {
                 $valid = false;
             }
             
-            if ( !$valid ) {
+            if (!$valid) {
                 $response               = array();
                 $response['success']    = false;
-                $response['msg']        = __( 'You can not add item because recurring item must be paid individually!', 'invoicing' );
-                wp_send_json( $response );
+                $response['msg']        = __('You can not add item because recurring item must be paid individually!', 'invoicing');
+                wp_send_json($response);
             }
         }
         
@@ -214,11 +214,11 @@ 
         
         $data                   = array();
         $data['invoice_id']     = $invoice_id;
-        $data['cart_discounts'] = $invoice->get_discounts( true );
+        $data['cart_discounts'] = $invoice->get_discounts(true);
         
-        wpinv_set_checkout_session( $data );
+        wpinv_set_checkout_session($data);
         
-        $quantity = wpinv_item_quantities_enabled() && !empty($_POST['qty']) && (int)$_POST['qty'] > 0 ? (int)$_POST['qty'] : 1;
+        $quantity = wpinv_item_quantities_enabled() && !empty($_POST['qty']) && (int) $_POST['qty'] > 0 ? (int) $_POST['qty'] : 1;
 
         $args = array(
             'id'            => $item_id,
@@ -231,21 +231,21 @@ 
             'fees'          => array()
         );
 
-        $invoice->add_item( $item_id, $args );
+        $invoice->add_item($item_id, $args);
         $invoice->save();
         
-        if ( empty( $_POST['country'] ) ) {
+        if (empty($_POST['country'])) {
             $_POST['country'] = !empty($invoice->country) ? $invoice->country : wpinv_get_default_country();
         }
-        if ( empty( $_POST['state'] ) ) {
+        if (empty($_POST['state'])) {
             $_POST['state'] = $invoice->state;
         }
          
-        $invoice->country   = sanitize_text_field( $_POST['country'] );
-        $invoice->state     = sanitize_text_field( $_POST['state'] );
+        $invoice->country   = sanitize_text_field($_POST['country']);
+        $invoice->state     = sanitize_text_field($_POST['state']);
         
-        $invoice->set( 'country', sanitize_text_field( $_POST['country'] ) );
-        $invoice->set( 'state', sanitize_text_field( $_POST['state'] ) );
+        $invoice->set('country', sanitize_text_field($_POST['country']));
+        $invoice->set('state', sanitize_text_field($_POST['state']));
         
         $wpinv_ip_address_country = $invoice->country;
 
@@ -253,7 +253,7 @@ 
         
         $response                       = array();
         $response['success']            = true;
-        $response['data']['items']      = wpinv_admin_get_line_items( $invoice );
+        $response['data']['items']      = wpinv_admin_get_line_items($invoice);
         $response['data']['subtotal']   = $invoice->get_subtotal();
         $response['data']['subtotalf']  = $invoice->get_subtotal(true);
         $response['data']['tax']        = $invoice->get_tax();
@@ -265,41 +265,41 @@ 
         
         wpinv_set_checkout_session($checkout_session);
         
-        wp_send_json( $response );
+        wp_send_json($response);
     }
 
 
     public static function remove_invoice_item() {
         global $wpi_userID, $wpinv_ip_address_country;
         
-        check_ajax_referer( 'invoice-item', '_nonce' );
-        if ( !wpinv_current_user_can_manage_invoicing() ) {
+        check_ajax_referer('invoice-item', '_nonce');
+        if (!wpinv_current_user_can_manage_invoicing()) {
             die(-1);
         }
         
-        $item_id    = sanitize_text_field( $_POST['item_id'] );
-        $invoice_id = absint( $_POST['invoice_id'] );
-        $cart_index = isset( $_POST['index'] ) && $_POST['index'] >= 0 ? $_POST['index'] : false;
+        $item_id    = sanitize_text_field($_POST['item_id']);
+        $invoice_id = absint($_POST['invoice_id']);
+        $cart_index = isset($_POST['index']) && $_POST['index'] >= 0 ? $_POST['index'] : false;
         
-        if ( !is_numeric( $invoice_id ) || !is_numeric( $item_id ) ) {
+        if (!is_numeric($invoice_id) || !is_numeric($item_id)) {
             die();
         }
 
-        $invoice    = wpinv_get_invoice( $invoice_id );
-        if ( empty( $invoice ) ) {
+        $invoice = wpinv_get_invoice($invoice_id);
+        if (empty($invoice)) {
             die();
         }
         
-        if ( $invoice->is_paid() || $invoice->is_refunded() ) {
+        if ($invoice->is_paid() || $invoice->is_refunded()) {
             die(); // Don't allow modify items for paid invoice.
         }
         
-        if ( !empty( $_POST['user_id'] ) ) {
-            $wpi_userID = absint( $_POST['user_id'] ); 
+        if (!empty($_POST['user_id'])) {
+            $wpi_userID = absint($_POST['user_id']); 
         }
 
-        $item       = new WPInv_Item( $item_id );
-        if ( !( !empty( $item ) && $item->post_type == 'wpi_item' ) ) {
+        $item = new WPInv_Item($item_id);
+        if (!(!empty($item) && $item->post_type == 'wpi_item')) {
             die();
         }
         
@@ -307,9 +307,9 @@ 
         
         $data                   = array();
         $data['invoice_id']     = $invoice_id;
-        $data['cart_discounts'] = $invoice->get_discounts( true );
+        $data['cart_discounts'] = $invoice->get_discounts(true);
         
-        wpinv_set_checkout_session( $data );
+        wpinv_set_checkout_session($data);
 
         $args = array(
             'id'         => $item_id,
@@ -317,21 +317,21 @@ 
             'cart_index' => $cart_index
         );
 
-        $invoice->remove_item( $item_id, $args );
+        $invoice->remove_item($item_id, $args);
         $invoice->save();
         
-        if ( empty( $_POST['country'] ) ) {
+        if (empty($_POST['country'])) {
             $_POST['country'] = !empty($invoice->country) ? $invoice->country : wpinv_get_default_country();
         }
-        if ( empty( $_POST['state'] ) ) {
+        if (empty($_POST['state'])) {
             $_POST['state'] = $invoice->state;
         }
          
-        $invoice->country   = sanitize_text_field( $_POST['country'] );
-        $invoice->state     = sanitize_text_field( $_POST['state'] );
+        $invoice->country   = sanitize_text_field($_POST['country']);
+        $invoice->state     = sanitize_text_field($_POST['state']);
         
-        $invoice->set( 'country', sanitize_text_field( $_POST['country'] ) );
-        $invoice->set( 'state', sanitize_text_field( $_POST['state'] ) );
+        $invoice->set('country', sanitize_text_field($_POST['country']));
+        $invoice->set('state', sanitize_text_field($_POST['state']));
         
         $wpinv_ip_address_country = $invoice->country;
         
@@ -339,7 +339,7 @@ 
         
         $response                       = array();
         $response['success']            = true;
-        $response['data']['items']      = wpinv_admin_get_line_items( $invoice );
+        $response['data']['items']      = wpinv_admin_get_line_items($invoice);
         $response['data']['subtotal']   = $invoice->get_subtotal();
         $response['data']['subtotalf']  = $invoice->get_subtotal(true);
         $response['data']['tax']        = $invoice->get_tax();
@@ -351,55 +351,55 @@ 
         
         wpinv_set_checkout_session($checkout_session);
         
-        wp_send_json( $response );
+        wp_send_json($response);
     }
     
     public static function create_invoice_item() {
-        check_ajax_referer( 'invoice-item', '_nonce' );
-        if ( !wpinv_current_user_can_manage_invoicing() ) {
+        check_ajax_referer('invoice-item', '_nonce');
+        if (!wpinv_current_user_can_manage_invoicing()) {
             die(-1);
         }
         
-        $invoice_id = absint( $_POST['invoice_id'] );
+        $invoice_id = absint($_POST['invoice_id']);
 
         // Find the item
-        if ( !is_numeric( $invoice_id ) ) {
+        if (!is_numeric($invoice_id)) {
             die();
         }        
         
-        $invoice     = wpinv_get_invoice( $invoice_id );
-        if ( empty( $invoice ) ) {
+        $invoice = wpinv_get_invoice($invoice_id);
+        if (empty($invoice)) {
             die();
         }
         
         // Validate item before adding to invoice because recurring item must be paid individually.
-        if ( !empty( $invoice->cart_details ) && $invoice->get_recurring() ) {
+        if (!empty($invoice->cart_details) && $invoice->get_recurring()) {
             $response               = array();
             $response['success']    = false;
-            $response['msg']        = __( 'You can not add item because recurring item must be paid individually!', 'invoicing' );
-            wp_send_json( $response );
+            $response['msg']        = __('You can not add item because recurring item must be paid individually!', 'invoicing');
+            wp_send_json($response);
         }        
         
-        $save_item = wp_unslash( $_POST['_wpinv_quick'] );
+        $save_item = wp_unslash($_POST['_wpinv_quick']);
         
         $meta               = array();
         $meta['type']       = !empty($save_item['type']) ? sanitize_text_field($save_item['type']) : 'custom';
-        $meta['price']      = !empty($save_item['price']) ? wpinv_sanitize_amount( $save_item['price'] ) : 0;
+        $meta['price']      = !empty($save_item['price']) ? wpinv_sanitize_amount($save_item['price']) : 0;
         $meta['vat_rule']   = !empty($save_item['vat_rule']) ? sanitize_text_field($save_item['vat_rule']) : 'digital';
         $meta['vat_class']  = !empty($save_item['vat_class']) ? sanitize_text_field($save_item['vat_class']) : '_standard';
         
         $data                   = array();
         $data['post_title']     = sanitize_text_field($save_item['name']);
         $data['post_status']    = 'publish';
-        $data['post_excerpt']   = ! empty( $save_item['excerpt'] ) ? wp_kses_post( $save_item['excerpt'] ) : '';
+        $data['post_excerpt']   = !empty($save_item['excerpt']) ? wp_kses_post($save_item['excerpt']) : '';
         $data['meta']           = $meta;
         
         $item = new WPInv_Item();
-        $item->create( $data );
+        $item->create($data);
         
-        if ( !empty( $item ) ) {
+        if (!empty($item)) {
             $_POST['item_id']   = $item->ID;
-            $_POST['qty']       = !empty($save_item['qty']) && $save_item['qty'] > 0 ? (int)$save_item['qty'] : 1;
+            $_POST['qty']       = !empty($save_item['qty']) && $save_item['qty'] > 0 ? (int) $save_item['qty'] : 1;
             
             self::add_invoice_item();
         }
@@ -412,48 +412,48 @@ 
     public static function get_billing_details() {
 
         // Verify nonce.
-        check_ajax_referer( 'wpinv-nonce' );
+        check_ajax_referer('wpinv-nonce');
 
         // Can the user manage the plugin?
-        if ( ! wpinv_current_user_can_manage_invoicing() ) {
+        if (!wpinv_current_user_can_manage_invoicing()) {
             die(-1);
         }
 
         // Do we have a user id?
         $user_id = $_GET['user_id'];
 
-        if ( empty( $user_id ) || ! is_numeric( $user_id ) ) {
+        if (empty($user_id) || !is_numeric($user_id)) {
             die(-1);
         }
 
         // Fetch the billing details.
-        $billing_details    = wpinv_get_user_address( $user_id );
-        $billing_details    = apply_filters( 'wpinv_ajax_billing_details', $billing_details, $user_id );
+        $billing_details    = wpinv_get_user_address($user_id);
+        $billing_details    = apply_filters('wpinv_ajax_billing_details', $billing_details, $user_id);
 
         // unset the user id and email.
-        $to_ignore = array( 'user_id', 'email' );
+        $to_ignore = array('user_id', 'email');
 
-        foreach ( $to_ignore as $key ) {
-            if ( isset( $billing_details[ $key ] ) ) {
-                unset( $billing_details[ $key ] );
+        foreach ($to_ignore as $key) {
+            if (isset($billing_details[$key])) {
+                unset($billing_details[$key]);
             }
         }
 
-        wp_send_json_success( $billing_details );
+        wp_send_json_success($billing_details);
 
     }
     
     public static function admin_recalculate_totals() {
         global $wpi_userID, $wpinv_ip_address_country;
         
-        check_ajax_referer( 'wpinv-nonce', '_nonce' );
-        if ( !wpinv_current_user_can_manage_invoicing() ) {
+        check_ajax_referer('wpinv-nonce', '_nonce');
+        if (!wpinv_current_user_can_manage_invoicing()) {
             die(-1);
         }
         
-        $invoice_id = absint( $_POST['invoice_id'] );        
-        $invoice    = wpinv_get_invoice( $invoice_id );
-        if ( empty( $invoice ) ) {
+        $invoice_id = absint($_POST['invoice_id']);        
+        $invoice    = wpinv_get_invoice($invoice_id);
+        if (empty($invoice)) {
             die();
         }
 
@@ -461,29 +461,29 @@ 
 
         $data                   = array();
         $data['invoice_id']     = $invoice_id;
-        $data['cart_discounts'] = $invoice->get_discounts( true );
+        $data['cart_discounts'] = $invoice->get_discounts(true);
 
-        wpinv_set_checkout_session( $data );
+        wpinv_set_checkout_session($data);
         
-        if ( !empty( $_POST['user_id'] ) ) {
-            $wpi_userID = absint( $_POST['user_id'] ); 
+        if (!empty($_POST['user_id'])) {
+            $wpi_userID = absint($_POST['user_id']); 
         }
         
-        if ( empty( $_POST['country'] ) ) {
+        if (empty($_POST['country'])) {
             $_POST['country'] = !empty($invoice->country) ? $invoice->country : wpinv_get_default_country();
         }
 
         $disable_taxes = 0;
-        if ( ! empty( $_POST['disable_taxes'] ) ) {
+        if (!empty($_POST['disable_taxes'])) {
             $disable_taxes = 1;
         }
-        $invoice->set( 'disable_taxes', $disable_taxes );
+        $invoice->set('disable_taxes', $disable_taxes);
 
-        $invoice->country = sanitize_text_field( $_POST['country'] );
-        $invoice->set( 'country', sanitize_text_field( $_POST['country'] ) );
-        if ( isset( $_POST['state'] ) ) {
-            $invoice->state = sanitize_text_field( $_POST['state'] );
-            $invoice->set( 'state', sanitize_text_field( $_POST['state'] ) );
+        $invoice->country = sanitize_text_field($_POST['country']);
+        $invoice->set('country', sanitize_text_field($_POST['country']));
+        if (isset($_POST['state'])) {
+            $invoice->state = sanitize_text_field($_POST['state']);
+            $invoice->set('state', sanitize_text_field($_POST['state']));
         }
         
         $wpinv_ip_address_country = $invoice->country;
@@ -492,7 +492,7 @@ 
         
         $response                       = array();
         $response['success']            = true;
-        $response['data']['items']      = wpinv_admin_get_line_items( $invoice );
+        $response['data']['items']      = wpinv_admin_get_line_items($invoice);
         $response['data']['subtotal']   = $invoice->get_subtotal();
         $response['data']['subtotalf']  = $invoice->get_subtotal(true);
         $response['data']['tax']        = $invoice->get_tax();
@@ -504,25 +504,25 @@ 
         
         wpinv_set_checkout_session($checkout_session);
 
-        wp_send_json( $response );
+        wp_send_json($response);
     }
     
     public static function admin_apply_discount() {
         global $wpi_userID;
         
-        check_ajax_referer( 'wpinv-nonce', '_nonce' );
-        if ( !wpinv_current_user_can_manage_invoicing() ) {
+        check_ajax_referer('wpinv-nonce', '_nonce');
+        if (!wpinv_current_user_can_manage_invoicing()) {
             die(-1);
         }
         
-        $invoice_id = absint( $_POST['invoice_id'] );
-        $discount_code = sanitize_text_field( $_POST['code'] );
-        if ( empty( $invoice_id ) || empty( $discount_code ) ) {
+        $invoice_id = absint($_POST['invoice_id']);
+        $discount_code = sanitize_text_field($_POST['code']);
+        if (empty($invoice_id) || empty($discount_code)) {
             die();
         }
         
-        $invoice = wpinv_get_invoice( $invoice_id );
-        if ( empty( $invoice ) || ( !empty( $invoice ) && ( $invoice->is_paid() || $invoice->is_refunded() ) ) ) {
+        $invoice = wpinv_get_invoice($invoice_id);
+        if (empty($invoice) || (!empty($invoice) && ($invoice->is_paid() || $invoice->is_refunded()))) {
             die();
         }
         
@@ -530,49 +530,49 @@ 
         
         $data                   = array();
         $data['invoice_id']     = $invoice_id;
-        $data['cart_discounts'] = $invoice->get_discounts( true );
+        $data['cart_discounts'] = $invoice->get_discounts(true);
         
-        wpinv_set_checkout_session( $data );
+        wpinv_set_checkout_session($data);
         
         $response               = array();
         $response['success']    = false;
-        $response['msg']        = __( 'This discount is invalid.', 'invoicing' );
+        $response['msg']        = __('This discount is invalid.', 'invoicing');
         $response['data']['code'] = $discount_code;
         
-        if ( wpinv_is_discount_valid( $discount_code, $invoice->get_user_id() ) ) {
-            $discounts = wpinv_set_cart_discount( $discount_code );
+        if (wpinv_is_discount_valid($discount_code, $invoice->get_user_id())) {
+            $discounts = wpinv_set_cart_discount($discount_code);
             
             $response['success'] = true;
-            $response['msg'] = __( 'Discount has been applied successfully.', 'invoicing' );
-        }  else {
+            $response['msg'] = __('Discount has been applied successfully.', 'invoicing');
+        } else {
             $errors = wpinv_get_errors();
-            if ( !empty( $errors['wpinv-discount-error'] ) ) {
+            if (!empty($errors['wpinv-discount-error'])) {
                 $response['msg'] = $errors['wpinv-discount-error'];
             }
-            wpinv_unset_error( 'wpinv-discount-error' );
+            wpinv_unset_error('wpinv-discount-error');
         }
         
         wpinv_set_checkout_session($checkout_session);
         
-        wp_send_json( $response );
+        wp_send_json($response);
     }
     
     public static function admin_remove_discount() {
         global $wpi_userID;
         
-        check_ajax_referer( 'wpinv-nonce', '_nonce' );
-        if ( !wpinv_current_user_can_manage_invoicing() ) {
+        check_ajax_referer('wpinv-nonce', '_nonce');
+        if (!wpinv_current_user_can_manage_invoicing()) {
             die(-1);
         }
         
-        $invoice_id = absint( $_POST['invoice_id'] );
-        $discount_code = sanitize_text_field( $_POST['code'] );
-        if ( empty( $invoice_id ) || empty( $discount_code ) ) {
+        $invoice_id = absint($_POST['invoice_id']);
+        $discount_code = sanitize_text_field($_POST['code']);
+        if (empty($invoice_id) || empty($discount_code)) {
             die();
         }
         
-        $invoice = wpinv_get_invoice( $invoice_id );
-        if ( empty( $invoice ) || ( !empty( $invoice ) && ( $invoice->is_paid() || $invoice->is_refunded() ) ) ) {
+        $invoice = wpinv_get_invoice($invoice_id);
+        if (empty($invoice) || (!empty($invoice) && ($invoice->is_paid() || $invoice->is_refunded()))) {
             die();
         }
         
@@ -580,21 +580,21 @@ 
         
         $data                   = array();
         $data['invoice_id']     = $invoice_id;
-        $data['cart_discounts'] = $invoice->get_discounts( true );
+        $data['cart_discounts'] = $invoice->get_discounts(true);
         
-        wpinv_set_checkout_session( $data );
+        wpinv_set_checkout_session($data);
         
         $response               = array();
         $response['success']    = false;
         $response['msg']        = NULL;
         
-        $discounts  = wpinv_unset_cart_discount( $discount_code );
+        $discounts = wpinv_unset_cart_discount($discount_code);
         $response['success'] = true;
-        $response['msg'] = __( 'Discount has been removed successfully.', 'invoicing' );
+        $response['msg'] = __('Discount has been removed successfully.', 'invoicing');
         
         wpinv_set_checkout_session($checkout_session);
         
-        wp_send_json( $response );
+        wp_send_json($response);
     }
 
     /**
@@ -603,80 +603,80 @@ 
     public static function check_new_user_email() {
 
         // Verify nonce.
-        check_ajax_referer( 'wpinv-nonce' );
+        check_ajax_referer('wpinv-nonce');
 
         // Can the user manage the plugin?
-        if ( ! wpinv_current_user_can_manage_invoicing() ) {
+        if (!wpinv_current_user_can_manage_invoicing()) {
             die(-1);
         }
 
         // We need an email address.
-        if ( empty( $_GET['email'] ) ) {
-            _e( "Provide the new user's email address", 'invoicing' );
+        if (empty($_GET['email'])) {
+            _e("Provide the new user's email address", 'invoicing');
             exit;
         }
 
         // Ensure the email is valid.
-        $email = sanitize_text_field( $_GET['email'] );
-        if ( ! is_email( $email ) ) {
-            _e( 'Invalid email address', 'invoicing' );
+        $email = sanitize_text_field($_GET['email']);
+        if (!is_email($email)) {
+            _e('Invalid email address', 'invoicing');
             exit;
         }
 
         // And it does not exist.
-        if ( email_exists( $email ) ) {
-            _e( 'A user with this email address already exists', 'invoicing' );
+        if (email_exists($email)) {
+            _e('A user with this email address already exists', 'invoicing');
             exit;
         }
 
-        wp_send_json_success( true );
+        wp_send_json_success(true);
     }
     
     public static function run_tool() {
-        check_ajax_referer( 'wpinv-nonce', '_nonce' );
-        if ( !wpinv_current_user_can_manage_invoicing() ) {
+        check_ajax_referer('wpinv-nonce', '_nonce');
+        if (!wpinv_current_user_can_manage_invoicing()) {
             die(-1);
         }
         
-        $tool = sanitize_text_field( $_POST['tool'] );
+        $tool = sanitize_text_field($_POST['tool']);
         
-        do_action( 'wpinv_run_tool' );
+        do_action('wpinv_run_tool');
         
-        if ( !empty( $tool ) ) {
-            do_action( 'wpinv_tool_' . $tool );
+        if (!empty($tool)) {
+            do_action('wpinv_tool_' . $tool);
         }
     }
     
     public static function apply_discount() {
         global $wpi_userID;
         
-        check_ajax_referer( 'wpinv-nonce', '_nonce' );
+        check_ajax_referer('wpinv-nonce', '_nonce');
         
         $response = array();
         
-        if ( isset( $_POST['code'] ) ) {
-            $discount_code = sanitize_text_field( $_POST['code'] );
+        if (isset($_POST['code'])) {
+            $discount_code = sanitize_text_field($_POST['code']);
 
             $response['success']        = false;
             $response['msg']            = '';
             $response['data']['code']   = $discount_code;
             
             $invoice = wpinv_get_invoice_cart();
-            if ( empty( $invoice->ID ) ) {
-                $response['msg'] = __( 'Invalid checkout request.', 'invoicing' );
-                wp_send_json( $response );
+            if (empty($invoice->ID)) {
+                $response['msg'] = __('Invalid checkout request.', 'invoicing');
+                wp_send_json($response);
             }
 
             $wpi_userID = $invoice->get_user_id();
 
-            if ( wpinv_is_discount_valid( $discount_code, $wpi_userID ) ) {
-                $discount       = wpinv_get_discount_by_code( $discount_code );
-                $discounts      = wpinv_set_cart_discount( $discount_code );
-                $amount         = wpinv_format_discount_rate( wpinv_get_discount_type( $discount->ID ), wpinv_get_discount_amount( $discount->ID ) );
-                $total          = wpinv_get_cart_total( null, $discounts );
-                $cart_totals    = wpinv_recalculate_tax( true );
+            if (wpinv_is_discount_valid($discount_code, $wpi_userID)) {
+                $discount       = wpinv_get_discount_by_code($discount_code);
+                $discounts      = wpinv_set_cart_discount($discount_code);
+                $amount         = wpinv_format_discount_rate(wpinv_get_discount_type($discount->ID), wpinv_get_discount_amount($discount->ID));
+                $total          = wpinv_get_cart_total(null, $discounts);
+                $cart_totals    = wpinv_recalculate_tax(true);
             
-                if ( !empty( $cart_totals ) ) {
+                if (!empty($cart_totals)) {
                     $response['success']        = true;
                     $response['data']           = $cart_totals;
                     $response['data']['code']   = $discount_code;
@@ -685,29 +685,29 @@ 
                 }
             } else {
                 $errors = wpinv_get_errors();
-                $response['msg']  = $errors['wpinv-discount-error'];
-                wpinv_unset_error( 'wpinv-discount-error' );
+                $response['msg'] = $errors['wpinv-discount-error'];
+                wpinv_unset_error('wpinv-discount-error');
             }
 
             // Allow for custom discount code handling
-            $response = apply_filters( 'wpinv_ajax_discount_response', $response );
+            $response = apply_filters('wpinv_ajax_discount_response', $response);
         }
         
-        wp_send_json( $response );
+        wp_send_json($response);
     }
     
     public static function remove_discount() {
-        check_ajax_referer( 'wpinv-nonce', '_nonce' );
+        check_ajax_referer('wpinv-nonce', '_nonce');
         
         $response = array();
         
-        if ( isset( $_POST['code'] ) ) {
-            $discount_code  = sanitize_text_field( $_POST['code'] );
-            $discounts      = wpinv_unset_cart_discount( $discount_code );
-            $total          = wpinv_get_cart_total( null, $discounts );
-            $cart_totals    = wpinv_recalculate_tax( true );
+        if (isset($_POST['code'])) {
+            $discount_code  = sanitize_text_field($_POST['code']);
+            $discounts      = wpinv_unset_cart_discount($discount_code);
+            $total          = wpinv_get_cart_total(null, $discounts);
+            $cart_totals    = wpinv_recalculate_tax(true);
             
-            if ( !empty( $cart_totals ) ) {
+            if (!empty($cart_totals)) {
                 $response['success']        = true;
                 $response['data']           = $cart_totals;
                 $response['data']['code']   = $discount_code;
@@ -716,10 +716,10 @@ 
             }
             
             // Allow for custom discount code handling
-            $response = apply_filters( 'wpinv_ajax_discount_response', $response );
+            $response = apply_filters('wpinv_ajax_discount_response', $response);
         }
         
-        wp_send_json( $response );
+        wp_send_json($response);
     }
 
     /**
@@ -728,30 +728,30 @@ 
     public static function get_payment_form() {
 
         // Check nonce.
-        if ( ! isset( $_GET['nonce'] ) || ! wp_verify_nonce( $_GET['nonce'], 'getpaid_ajax_form' ) ) {
-            _e( 'Error: Reload the page and try again.', 'invoicing' );
+        if (!isset($_GET['nonce']) || !wp_verify_nonce($_GET['nonce'], 'getpaid_ajax_form')) {
+            _e('Error: Reload the page and try again.', 'invoicing');
             exit;
         }
 
         // Is the request set up correctly?
-		if ( empty( $_GET['form'] ) && empty( $_GET['item'] ) ) {
+		if (empty($_GET['form']) && empty($_GET['item'])) {
 			echo aui()->alert(
 				array(
 					'type'    => 'warning',
-					'content' => __( 'No payment form or item provided', 'invoicing' ),
+					'content' => __('No payment form or item provided', 'invoicing'),
 				)
             );
             exit;
         }
 
         // Payment form or button?
-		if ( ! empty( $_GET['form'] ) ) {
-            echo getpaid_display_payment_form( $_GET['form'] );
-		} else if( $_GET['invoice'] ) {
-		    echo getpaid_display_invoice_payment_form( $_GET['invoice'] );
+		if (!empty($_GET['form'])) {
+            echo getpaid_display_payment_form($_GET['form']);
+		} else if ($_GET['invoice']) {
+		    echo getpaid_display_invoice_payment_form($_GET['invoice']);
         } else {
-			$items = getpaid_convert_items_to_array( $_GET['item'] );
-		    echo getpaid_display_item_payment_form( $items );
+			$items = getpaid_convert_items_to_array($_GET['item']);
+		    echo getpaid_display_item_payment_form($items);
         }
         
         exit;
@@ -767,11 +767,11 @@ 
         global $invoicing, $wpi_checkout_id, $cart_total;
 
         // Check nonce.
-        check_ajax_referer( 'getpaid_form_nonce' );
+        check_ajax_referer('getpaid_form_nonce');
 
         // ... form fields...
-        if ( empty( $_POST['getpaid_payment_form_submission'] ) ) {
-            _e( 'Error: Reload the page and try again.', 'invoicing' );
+        if (empty($_POST['getpaid_payment_form_submission'])) {
+            _e('Error: Reload the page and try again.', 'invoicing');
             exit;
         }
 
@@ -779,25 +779,25 @@ 
         $submission = new GetPaid_Payment_Form_Submission();
 
         // Do we have an error?
-        if ( ! empty( $submission->last_error ) ) {
+        if (!empty($submission->last_error)) {
             echo $submission->last_error;
             exit;
         }
 
         // We need a billing email.
-        if ( ! $submission->has_billing_email() || ! is_email( $submission->get_billing_email() ) ) {
-            wp_send_json_error( __( 'Provide a valid billing email.', 'invoicing' ) );
+        if (!$submission->has_billing_email() || !is_email($submission->get_billing_email())) {
+            wp_send_json_error(__('Provide a valid billing email.', 'invoicing'));
         }
 
         // Prepare items.
         $items            = $submission->get_items();
         $prepared_items   = array();
 
-        if ( ! empty( $items ) ) {
+        if (!empty($items)) {
 
-            foreach( $items as $item_id => $item ) {
+            foreach ($items as $item_id => $item) {
 
-                if ( $item->can_purchase() ) {
+                if ($item->can_purchase()) {
                     $prepared_items[] = array(
                         'id'           => $item_id,
                         'item_price'   => $item->get_price(),
@@ -811,90 +811,90 @@ 
 
         }
 
-        if ( empty( $prepared_items ) ) {
-            wp_send_json_error( __( 'You have not selected any items.', 'invoicing' ) );
+        if (empty($prepared_items)) {
+            wp_send_json_error(__('You have not selected any items.', 'invoicing'));
         }
 
-        if ( $submission->has_recurring && 1 != count( $prepared_items ) ) {
-            wp_send_json_error( __( 'Recurring items should be bought individually.', 'invoicing' ) );
+        if ($submission->has_recurring && 1 != count($prepared_items)) {
+            wp_send_json_error(__('Recurring items should be bought individually.', 'invoicing'));
         }
 
         // Prepare the submission details.
         $prepared = array(
-            'billing_email'                    => sanitize_email( $submission->get_billing_email() ),
-            __( 'Billing Email', 'invoicing' ) => sanitize_email( $submission->get_billing_email() ),
-            __( 'Form Id', 'invoicing' )       => absint( $submission->payment_form->get_id() ),
+            'billing_email'                    => sanitize_email($submission->get_billing_email()),
+            __('Billing Email', 'invoicing') => sanitize_email($submission->get_billing_email()),
+            __('Form Id', 'invoicing')       => absint($submission->payment_form->get_id()),
         );
 
         // Address fields.
         $address_fields = array();
 
         // Add discount code.
-        if ( $submission->has_discount_code() ) {
-            $address_fields['discount'] = array( $submission->get_discount_code() );
+        if ($submission->has_discount_code()) {
+            $address_fields['discount'] = array($submission->get_discount_code());
         }
 
         // Are all required fields provided?
         $data = $submission->get_data();
 
-        foreach ( $submission->payment_form->get_elements() as $field ) {
+        foreach ($submission->payment_form->get_elements() as $field) {
 
-            if ( ! empty( $field['premade'] ) ) {
+            if (!empty($field['premade'])) {
                 continue;
             }
 
-            if ( ! $submission->is_required_field_set( $field ) ) {
-                wp_send_json_error( __( 'Fill all required fields.', 'invoicing' ) );
+            if (!$submission->is_required_field_set($field)) {
+                wp_send_json_error(__('Fill all required fields.', 'invoicing'));
             }
 
-            if ( $field['type'] == 'address' ) {
+            if ($field['type'] == 'address') {
 
-                foreach ( $field['fields'] as $address_field ) {
+                foreach ($field['fields'] as $address_field) {
 
-                    if ( empty( $address_field['visible'] ) ) {
+                    if (empty($address_field['visible'])) {
                         continue;
                     }
 
-                    if ( ! empty( $address_field['required'] ) && empty( $data[ $address_field['name'] ] ) ) {
-                        wp_send_json_error( __( 'Some required fields have not been filled.', 'invoicing' ) );
+                    if (!empty($address_field['required']) && empty($data[$address_field['name']])) {
+                        wp_send_json_error(__('Some required fields have not been filled.', 'invoicing'));
                     }
 
-                    if ( isset( $data[ $address_field['name'] ] ) ) {
-                        $label = str_replace( 'wpinv_', '', $address_field['name'] );
-                        $address_fields[ $label ] = wpinv_clean( $data[ $address_field['name'] ] );
+                    if (isset($data[$address_field['name']])) {
+                        $label = str_replace('wpinv_', '', $address_field['name']);
+                        $address_fields[$label] = wpinv_clean($data[$address_field['name']]);
                     }
 
                 }
 
-            } else if ( isset( $data[ $field['id'] ] ) ) {
+            } else if (isset($data[$field['id']])) {
                 $label = $field['id'];
 
-                if ( isset( $field['label'] ) ) {
+                if (isset($field['label'])) {
                     $label = $field['label'];
                 }
 
-                $prepared[ wpinv_clean( $label ) ] = wpinv_clean( $data[ $field['id'] ] );
+                $prepared[wpinv_clean($label)] = wpinv_clean($data[$field['id']]);
             }
 
         }
 
         // (Maybe) create the user.
-        $user = get_user_by( 'email', $prepared['billing_email'] );
+        $user = get_user_by('email', $prepared['billing_email']);
 
-        if ( empty( $user ) ) {
-            $user = wpinv_create_user( $prepared['billing_email'] );
+        if (empty($user)) {
+            $user = wpinv_create_user($prepared['billing_email']);
         }
 
-        if ( is_wp_error( $user ) ) {
-            wp_send_json_error( $user->get_error_message() );
+        if (is_wp_error($user)) {
+            wp_send_json_error($user->get_error_message());
         }
 
-        if ( is_numeric( $user ) ) {
-            $user = get_user_by( 'id', $user );
+        if (is_numeric($user)) {
+            $user = get_user_by('id', $user);
         }
 
         // Create the invoice.
-        if ( ! $submission->has_invoice() ) {
+        if (!$submission->has_invoice()) {
 
             $invoice = wpinv_insert_invoice(
                 array(
@@ -911,8 +911,8 @@ 
 
             $invoice = $submission->get_invoice();
 
-            if ( $invoice->is_paid() ) {
-                wp_send_json_error( __( 'This invoice has already been paid for.', 'invoicing' ) );
+            if ($invoice->is_paid()) {
+                wp_send_json_error(__('This invoice has already been paid for.', 'invoicing'));
             }
 
             $invoice = wpinv_update_invoice(
@@ -927,34 +927,34 @@ 
 
         }
 
-        if ( is_wp_error( $invoice ) ) {
-            wp_send_json_error( $invoice->get_error_message() );
+        if (is_wp_error($invoice)) {
+            wp_send_json_error($invoice->get_error_message());
         }
 
-        if ( empty( $invoice ) ) {
-            wp_send_json_error( __( 'Could not create your invoice.', 'invoicing' ) );
+        if (empty($invoice)) {
+            wp_send_json_error(__('Could not create your invoice.', 'invoicing'));
         }
 
-        unset( $prepared['billing_email'] );
-        update_post_meta( $invoice->ID, 'payment_form_data', $prepared );
+        unset($prepared['billing_email']);
+        update_post_meta($invoice->ID, 'payment_form_data', $prepared);
 
         $wpi_checkout_id = $invoice->ID;
         $cart_total = wpinv_price(
             wpinv_format_amount(
-                wpinv_get_cart_total( $invoice->get_cart_details(), NULL, $invoice ) ),
+                wpinv_get_cart_total($invoice->get_cart_details(), NULL, $invoice) ),
                 $invoice->get_currency()
         );
 
         $data                   = array();
         $data['invoice_id']     = $invoice->ID;
-        $data['cart_discounts'] = $invoice->get_discounts( true );
+        $data['cart_discounts'] = $invoice->get_discounts(true);
 
-        wpinv_set_checkout_session( $data );
-        add_filter( 'wp_redirect', array( $invoicing->form_elements, 'send_redirect_response' ) );
-        add_action( 'wpinv_pre_send_back_to_checkout', array( $invoicing->form_elements, 'checkout_error' ) );
+        wpinv_set_checkout_session($data);
+        add_filter('wp_redirect', array($invoicing->form_elements, 'send_redirect_response'));
+        add_action('wpinv_pre_send_back_to_checkout', array($invoicing->form_elements, 'checkout_error'));
         
-        if ( ! defined( 'WPINV_CHECKOUT' ) ) {
-            define( 'WPINV_CHECKOUT', true );
+        if (!defined('WPINV_CHECKOUT')) {
+            define('WPINV_CHECKOUT', true);
         }
 
         wpinv_process_checkout();
@@ -972,51 +972,51 @@ 
     public static function get_payment_form_states_field() {
         global $invoicing;
 
-        if ( empty( $_GET['country'] ) || empty( $_GET['form'] ) ) {
+        if (empty($_GET['country']) || empty($_GET['form'])) {
             exit;
         }
 
-        $elements = $invoicing->form_elements->get_form_elements( $_GET['form'] );
+        $elements = $invoicing->form_elements->get_form_elements($_GET['form']);
 
-        if ( empty( $elements ) ) {
+        if (empty($elements)) {
             exit;
         }
 
         $address_fields = array();
-        foreach ( $elements as $element ) {
-            if ( 'address' === $element['type'] ) {
+        foreach ($elements as $element) {
+            if ('address' === $element['type']) {
                 $address_fields = $element;
                 break;
             }
         }
 
-        if ( empty( $address_fields ) ) {
+        if (empty($address_fields)) {
             exit;
         }
 
-        foreach( $address_fields['fields'] as $address_field ) {
+        foreach ($address_fields['fields'] as $address_field) {
 
-            if ( 'wpinv_state' == $address_field['name'] ) {
+            if ('wpinv_state' == $address_field['name']) {
 
                 $label = $address_field['label'];
 
-                if ( ! empty( $address_field['required'] ) ) {
+                if (!empty($address_field['required'])) {
                     $label .= "<span class='text-danger'> *</span>";
                 }
 
-                $states = wpinv_get_country_states( $_GET['country'] );
+                $states = wpinv_get_country_states($_GET['country']);
 
-                if ( ! empty( $states ) ) {
+                if (!empty($states)) {
 
                     $html = aui()->select(
                             array(
                                 'options'          => $states,
-                                'name'             => esc_attr( $address_field['name'] ),
-                                'id'               => esc_attr( $address_field['name'] ),
-                                'placeholder'      => esc_attr( $address_field['placeholder'] ),
+                                'name'             => esc_attr($address_field['name']),
+                                'id'               => esc_attr($address_field['name']),
+                                'placeholder'      => esc_attr($address_field['placeholder']),
                                 'required'         => (bool) $address_field['required'],
                                 'no_wrap'          => true,
-                                'label'            => wp_kses_post( $label ),
+                                'label'            => wp_kses_post($label),
                                 'select2'          => false,
                             )
                         );
@@ -1025,10 +1025,10 @@ 
 
                     $html = aui()->input(
                             array(
-                                'name'       => esc_attr( $address_field['name'] ),
-                                'id'         => esc_attr( $address_field['name'] ),
+                                'name'       => esc_attr($address_field['name']),
+                                'id'         => esc_attr($address_field['name']),
                                 'required'   => (bool) $address_field['required'],
-                                'label'      => wp_kses_post( $label ),
+                                'label'      => wp_kses_post($label),
                                 'no_wrap'    => true,
                                 'type'       => 'text',
                             )
@@ -1036,7 +1036,7 @@ 
 
                 }
 
-                wp_send_json_success( str_replace( 'sr-only', '', $html ) );
+                wp_send_json_success(str_replace('sr-only', '', $html));
                 exit;
 
             }
@@ -1052,33 +1052,33 @@ 
     public static function get_invoice_items() {
 
         // Verify nonce.
-        check_ajax_referer( 'wpinv-nonce' );
+        check_ajax_referer('wpinv-nonce');
 
-        if ( ! wpinv_current_user_can_manage_invoicing() ) {
+        if (!wpinv_current_user_can_manage_invoicing()) {
             exit;
         }
 
         // We need an invoice and items.
-        if ( empty( $_POST['post_id'] ) ) {
+        if (empty($_POST['post_id'])) {
             exit;
         }
 
         // Fetch the invoice.
-        $invoice = new WPInv_Invoice( trim( $_POST['post_id'] ) );
+        $invoice = new WPInv_Invoice(trim($_POST['post_id']));
 
         // Ensure it exists.
-        if ( ! $invoice->get_id() ) {
+        if (!$invoice->get_id()) {
             exit;
         }
 
         // Return an array of invoice items.
         $items = array();
 
-        foreach ( $invoice->get_items() as $item_id => $item ) {
-            $items[ $item_id ] = $item->prepare_data_for_invoice_edit_ajax();
+        foreach ($invoice->get_items() as $item_id => $item) {
+            $items[$item_id] = $item->prepare_data_for_invoice_edit_ajax();
         }
 
-        wp_send_json_success( compact( 'items' ) );
+        wp_send_json_success(compact('items'));
     }
 
     /**
@@ -1087,48 +1087,48 @@ 
     public static function edit_invoice_item() {
 
         // Verify nonce.
-        check_ajax_referer( 'wpinv-nonce' );
+        check_ajax_referer('wpinv-nonce');
 
-        if ( ! wpinv_current_user_can_manage_invoicing() ) {
+        if (!wpinv_current_user_can_manage_invoicing()) {
             exit;
         }
 
         // We need an invoice and item details.
-        if ( empty( $_POST['post_id'] ) || empty( $_POST['data'] ) ) {
+        if (empty($_POST['post_id']) || empty($_POST['data'])) {
             exit;
         }
 
         // Fetch the invoice.
-        $invoice = new WPInv_Invoice( trim( $_POST['post_id'] ) );
+        $invoice = new WPInv_Invoice(trim($_POST['post_id']));
 
         // Ensure it exists and its not been paid for.
-        if ( ! $invoice->get_id() || $invoice->is_paid() || $invoice->is_refunded() ) {
+        if (!$invoice->get_id() || $invoice->is_paid() || $invoice->is_refunded()) {
             exit;
         }
 
         // Format the data.
-        $data = wp_list_pluck( $_POST['data'], 'value', 'field' );
+        $data = wp_list_pluck($_POST['data'], 'value', 'field');
 
         // Ensure that we have an item id.
-        if ( empty( $data['id'] ) ) {
+        if (empty($data['id'])) {
             exit;
         }
 
         // Abort if the invoice does not have the specified item.
-        $item = $invoice->get_item( (int) $data['id'] );
+        $item = $invoice->get_item((int) $data['id']);
 
-        if ( empty( $item ) ) {
+        if (empty($item)) {
             exit;
         }
 
         // Update the item.
-        $item->set_price( $data['price'] );
-        $item->set_name( $data['name'] );
-        $item->set_description( $data['description'] );
-        $item->set_quantity( $data['quantity'] );
+        $item->set_price($data['price']);
+        $item->set_name($data['name']);
+        $item->set_description($data['description']);
+        $item->set_quantity($data['quantity']);
 
         // Add it to the invoice.
-        $invoice->add_item( $item );
+        $invoice->add_item($item);
 
         // Update totals.
         $invoice->recalculate_total();
@@ -1139,11 +1139,11 @@ 
         // Return an array of invoice items.
         $items = array();
 
-        foreach ( $invoice->get_items() as $item_id => $item ) {
-            $items[ $item_id ] = $item->prepare_data_for_invoice_edit_ajax();
+        foreach ($invoice->get_items() as $item_id => $item) {
+            $items[$item_id] = $item->prepare_data_for_invoice_edit_ajax();
         }
 
-        wp_send_json_success( compact( 'items' ) );
+        wp_send_json_success(compact('items'));
     }
     /**
      * Adds a items to an invoice.
@@ -1151,38 +1151,38 @@ 
     public static function add_invoice_items() {
 
         // Verify nonce.
-        check_ajax_referer( 'wpinv-nonce' );
+        check_ajax_referer('wpinv-nonce');
 
-        if ( ! wpinv_current_user_can_manage_invoicing() ) {
+        if (!wpinv_current_user_can_manage_invoicing()) {
             exit;
         }
 
         // We need an invoice and items.
-        if ( empty( $_POST['post_id'] ) || empty( $_POST['items'] ) ) {
+        if (empty($_POST['post_id']) || empty($_POST['items'])) {
             exit;
         }
 
         // Fetch the invoice.
-        $invoice = new WPInv_Invoice( trim( $_POST['post_id'] ) );
+        $invoice = new WPInv_Invoice(trim($_POST['post_id']));
         $alert   = false;
 
         // Ensure it exists and its not been paid for.
-        if ( ! $invoice->get_id() || $invoice->is_paid() || $invoice->is_refunded() ) {
+        if (!$invoice->get_id() || $invoice->is_paid() || $invoice->is_refunded()) {
             exit;
         }
 
         // Add the items.
-        foreach ( $_POST['items'] as $data ) {
+        foreach ($_POST['items'] as $data) {
 
-            $item = new GetPaid_Form_Item( $data[ 'id' ] );
+            $item = new GetPaid_Form_Item($data['id']);
 
-            if ( is_numeric( $data[ 'qty' ] ) && (int) $data[ 'qty' ] > 0 ) {
-                $item->set_quantity( $data[ 'qty' ] );
+            if (is_numeric($data['qty']) && (int) $data['qty'] > 0) {
+                $item->set_quantity($data['qty']);
             }
 
-            if ( $item->get_id() > 0 ) {
-                if ( ! $invoice->add_item( $item ) ) {
-                    $alert = __( 'An invoice can only contain one recurring item', 'invoicing' );
+            if ($item->get_id() > 0) {
+                if (!$invoice->add_item($item)) {
+                    $alert = __('An invoice can only contain one recurring item', 'invoicing');
                 }
             }
 
@@ -1195,11 +1195,11 @@ 
         // Return an array of invoice items.
         $items = array();
 
-        foreach ( $invoice->get_items() as $item_id => $item ) {
-            $items[ $item_id ] = $item->prepare_data_for_invoice_edit_ajax();
+        foreach ($invoice->get_items() as $item_id => $item) {
+            $items[$item_id] = $item->prepare_data_for_invoice_edit_ajax();
         }
 
-        wp_send_json_success( compact( 'items', 'alert' ) );
+        wp_send_json_success(compact('items', 'alert'));
     }
 
     /**
@@ -1208,15 +1208,15 @@ 
     public static function get_invoicing_items() {
 
         // Verify nonce.
-        check_ajax_referer( 'wpinv-nonce' );
+        check_ajax_referer('wpinv-nonce');
 
-        if ( ! wpinv_current_user_can_manage_invoicing() ) {
+        if (!wpinv_current_user_can_manage_invoicing()) {
             exit;
         }
 
         // We need a search term.
-        if ( empty( $_GET['search'] ) ) {
-            wp_send_json_success( array() );
+        if (empty($_GET['search'])) {
+            wp_send_json_success(array());
         }
 
         // Retrieve items.
@@ -1225,8 +1225,8 @@ 
             'orderby'        => 'title',
             'order'          => 'ASC',
             'posts_per_page' => -1,
-            'post_status'    => array( 'publish' ),
-            's'              => trim( $_GET['search'] ),
+            'post_status'    => array('publish'),
+            's'              => trim($_GET['search']),
             'meta_query'     => array(
                 array(
                     'key'       => '_wpinv_type',
@@ -1236,18 +1236,18 @@ 
             )
         );
 
-        $items = get_posts( apply_filters( 'getpaid_ajax_invoice_items_query_args', $item_args ) );
+        $items = get_posts(apply_filters('getpaid_ajax_invoice_items_query_args', $item_args));
         $data  = array();
 
-        foreach ( $items as $item ) {
-            $item      = new GetPaid_Form_Item( $item );
+        foreach ($items as $item) {
+            $item = new GetPaid_Form_Item($item);
             $data[] = array(
                 'id'   => $item->get_id(),
                 'text' => $item->get_name()
             );
         }
 
-        wp_send_json_success( $data );
+        wp_send_json_success($data);
 
     }
 
@@ -1257,24 +1257,24 @@ 
     public static function get_aui_states_field() {
 
         // Verify nonce.
-        check_ajax_referer( 'wpinv-nonce' );
+        check_ajax_referer('wpinv-nonce');
 
         // We need a country.
-        if ( empty( $_GET['country'] ) ) {
+        if (empty($_GET['country'])) {
             exit;
         }
 
-        $states = wpinv_get_country_states( trim( $_GET['country'] ) );
-        $state  = isset( $_GET['state'] ) ? trim( $_GET['state'] ) : wpinv_get_default_state();
+        $states = wpinv_get_country_states(trim($_GET['country']));
+        $state  = isset($_GET['state']) ? trim($_GET['state']) : wpinv_get_default_state();
 
-        if ( empty( $states ) ) {
+        if (empty($states)) {
 
             $html = aui()->input(
                 array(
                     'type'        => 'text',
                     'id'          => 'wpinv_state',
                     'name'        => 'wpinv_state',
-                    'label'       => __( 'State', 'invoicing' ),
+                    'label'       => __('State', 'invoicing'),
                     'label_type'  => 'vertical',
                     'placeholder' => 'Liège',
                     'class'       => 'form-control-sm',
@@ -1288,9 +1288,9 @@ 
                 array(
                     'id'          => 'wpinv_state',
                     'name'        => 'wpinv_state',
-                    'label'       => __( 'State', 'invoicing' ),
+                    'label'       => __('State', 'invoicing'),
                     'label_type'  => 'vertical',
-                    'placeholder' => __( 'Select a state', 'invoicing' ),
+                    'placeholder' => __('Select a state', 'invoicing'),
                     'class'       => 'form-control-sm',
                     'value'       => $state,
                     'options'     => $states,
@@ -1304,7 +1304,7 @@ 
         wp_send_json_success(
             array(
                 'html'   => $html,
-                'select' => ! empty ( $states )
+                'select' => !empty ($states)
             )
         );
 
@@ -1318,11 +1318,11 @@ 
     public static function payment_form_refresh_prices() {
 
         // Check nonce.
-        check_ajax_referer( 'getpaid_form_nonce' );
+        check_ajax_referer('getpaid_form_nonce');
 
         // ... form fields...
-        if ( empty( $_POST['getpaid_payment_form_submission'] ) ) {
-            _e( 'Error: Reload the page and try again.', 'invoicing' );
+        if (empty($_POST['getpaid_payment_form_submission'])) {
+            _e('Error: Reload the page and try again.', 'invoicing');
             exit;
         }
 
@@ -1330,7 +1330,7 @@ 
         $submission = new GetPaid_Payment_Form_Submission();
 
         // Do we have an error?
-        if ( ! empty( $submission->last_error ) ) {
+        if (!empty($submission->last_error)) {
             echo $submission->last_error;
             exit;
         }
@@ -1341,38 +1341,38 @@ 
             'has_recurring' => $submission->has_recurring,
             'is_free'       => $submission->get_payment_details(),
             'totals'        => array(
-                'subtotal'  => wpinv_price( wpinv_format_amount( $submission->subtotal_amount ), $submission->get_currency() ),
-                'discount'  => wpinv_price( wpinv_format_amount( $submission->get_total_discount() ), $submission->get_currency() ),
-                'fees'      => wpinv_price( wpinv_format_amount( $submission->get_total_fees() ), $submission->get_currency() ),
-                'tax'       => wpinv_price( wpinv_format_amount( $submission->get_total_tax() ), $submission->get_currency() ),
-                'total'     => wpinv_price( wpinv_format_amount( $submission->get_total() ), $submission->get_currency() ),
+                'subtotal'  => wpinv_price(wpinv_format_amount($submission->subtotal_amount), $submission->get_currency()),
+                'discount'  => wpinv_price(wpinv_format_amount($submission->get_total_discount()), $submission->get_currency()),
+                'fees'      => wpinv_price(wpinv_format_amount($submission->get_total_fees()), $submission->get_currency()),
+                'tax'       => wpinv_price(wpinv_format_amount($submission->get_total_tax()), $submission->get_currency()),
+                'total'     => wpinv_price(wpinv_format_amount($submission->get_total()), $submission->get_currency()),
             ),
         );
 
         // Add items.
         $items = $submission->get_items();
-        if ( ! empty( $items ) ) {
+        if (!empty($items)) {
             $result['items'] = array();
 
-            foreach( $items as $item_id => $item ) {
-                $result['items']["$item_id"] = wpinv_price( wpinv_format_amount( $item->get_price() * $item->get_qantity() ) );
+            foreach ($items as $item_id => $item) {
+                $result['items']["$item_id"] = wpinv_price(wpinv_format_amount($item->get_price() * $item->get_qantity()));
             }
         }
 
         // Add invoice.
-        if ( $submission->has_invoice() ) {
+        if ($submission->has_invoice()) {
             $result['invoice'] = $submission->get_invoice()->ID;
         }
 
         // Add discount code.
-        if ( $submission->has_discount_code() ) {
+        if ($submission->has_discount_code()) {
             $result['discount_code'] = $submission->get_discount_code();
         }
 
         // Filter the result.
-        $result = apply_filters( 'getpaid_payment_form_ajax_refresh_prices', $result, $submission );
+        $result = apply_filters('getpaid_payment_form_ajax_refresh_prices', $result, $submission);
 
-        wp_send_json_success( $result );
+        wp_send_json_success($result);
     }
 
     /**
@@ -1383,53 +1383,53 @@ 
     public static function buy_items() {
         $user_id = get_current_user_id();
 
-        if ( empty( $user_id ) ) { // If not logged in then lets redirect to the login page
-            wp_send_json( array(
-                'success' => wp_login_url( wp_get_referer() )
-            ) );
+        if (empty($user_id)) { // If not logged in then lets redirect to the login page
+            wp_send_json(array(
+                'success' => wp_login_url(wp_get_referer())
+            ));
         } else {
             // Only check nonce if logged in as it could be cached when logged out.
-            if ( ! isset( $_POST['wpinv_buy_nonce'] ) || ! wp_verify_nonce( $_POST['wpinv_buy_nonce'], 'wpinv_buy_items' ) ) {
-                wp_send_json( array(
-                    'error' => __( 'Security checks failed.', 'invoicing' )
-                ) );
+            if (!isset($_POST['wpinv_buy_nonce']) || !wp_verify_nonce($_POST['wpinv_buy_nonce'], 'wpinv_buy_items')) {
+                wp_send_json(array(
+                    'error' => __('Security checks failed.', 'invoicing')
+                ));
                 wp_die();
             }
 
             // allow to set a custom price through post_id
             $items = $_POST['items'];
-            $related_post_id = isset( $_POST['post_id'] ) ? (int)$_POST['post_id'] : 0;
-            $custom_item_price = $related_post_id ? abs( get_post_meta( $related_post_id, '_wpi_custom_price', true ) ) : 0;
+            $related_post_id = isset($_POST['post_id']) ? (int) $_POST['post_id'] : 0;
+            $custom_item_price = $related_post_id ? abs(get_post_meta($related_post_id, '_wpi_custom_price', true)) : 0;
 
             $cart_items = array();
-            if ( $items ) {
-                $items = explode( ',', $items );
+            if ($items) {
+                $items = explode(',', $items);
 
-                foreach( $items as $item ) {
+                foreach ($items as $item) {
                     $item_id = $item;
                     $quantity = 1;
 
-                    if ( strpos( $item, '|' ) !== false ) {
-                        $item_parts = explode( '|', $item );
+                    if (strpos($item, '|') !== false) {
+                        $item_parts = explode('|', $item);
                         $item_id = $item_parts[0];
                         $quantity = $item_parts[1];
                     }
 
-                    if ( $item_id && $quantity ) {
+                    if ($item_id && $quantity) {
                         $cart_items_arr = array(
-                            'id'            => (int)$item_id,
-                            'quantity'      => (int)$quantity
+                            'id'            => (int) $item_id,
+                            'quantity'      => (int) $quantity
                         );
 
                         // If there is a related post id then add it to meta
-                        if ( $related_post_id ) {
+                        if ($related_post_id) {
                             $cart_items_arr['meta'] = array(
                                 'post_id'   => $related_post_id
                             );
                         }
 
                         // If there is a custom price then set it.
-                        if ( $custom_item_price ) {
+                        if ($custom_item_price) {
                             $cart_items_arr['custom_price'] = $custom_item_price;
                         }
 
@@ -1445,37 +1445,37 @@ 
              * @param int $related_post_id The related post id if any.
              * @since 1.0.0
              */
-            $cart_items = apply_filters( 'wpinv_buy_cart_items', $cart_items, $related_post_id );
+            $cart_items = apply_filters('wpinv_buy_cart_items', $cart_items, $related_post_id);
 
             // Make sure its not in the cart already, if it is then redirect to checkout.
             $cart_invoice = wpinv_get_invoice_cart();
 
-            if ( isset( $cart_invoice->items ) && !empty( $cart_invoice->items ) && !empty( $cart_items ) && serialize( $cart_invoice->items ) == serialize( $cart_items ) ) {
-                wp_send_json( array(
+            if (isset($cart_invoice->items) && !empty($cart_invoice->items) && !empty($cart_items) && serialize($cart_invoice->items) == serialize($cart_items)) {
+                wp_send_json(array(
                     'success' =>  $cart_invoice->get_checkout_payment_url()
-                ) );
+                ));
                 wp_die();
             }
 
             // Check if user has invoice with same items waiting to be paid.
-            $user_invoices = wpinv_get_users_invoices( $user_id , 10 , false , 'wpi-pending' );
-            if ( !empty( $user_invoices ) ) {
-                foreach( $user_invoices as $user_invoice ) {
+            $user_invoices = wpinv_get_users_invoices($user_id, 10, false, 'wpi-pending');
+            if (!empty($user_invoices)) {
+                foreach ($user_invoices as $user_invoice) {
                     $user_cart_details = array();
-                    $invoice  = wpinv_get_invoice( $user_invoice->ID );
+                    $invoice = wpinv_get_invoice($user_invoice->ID);
                     $cart_details = $invoice->get_cart_details();
 
-                    if ( !empty( $cart_details ) ) {
-                        foreach ( $cart_details as $invoice_item ) {
+                    if (!empty($cart_details)) {
+                        foreach ($cart_details as $invoice_item) {
                             $ii_arr = array();
-                            $ii_arr['id'] = (int)$invoice_item['id'];
-                            $ii_arr['quantity'] = (int)$invoice_item['quantity'];
+                            $ii_arr['id'] = (int) $invoice_item['id'];
+                            $ii_arr['quantity'] = (int) $invoice_item['quantity'];
 
-                            if (isset( $invoice_item['meta'] ) && !empty( $invoice_item['meta'] ) ) {
+                            if (isset($invoice_item['meta']) && !empty($invoice_item['meta'])) {
                                 $ii_arr['meta'] = $invoice_item['meta'];
                             }
 
-                            if ( isset( $invoice_item['custom_price'] ) && !empty( $invoice_item['custom_price'] ) ) {
+                            if (isset($invoice_item['custom_price']) && !empty($invoice_item['custom_price'])) {
                                 $ii_arr['custom_price'] = $invoice_item['custom_price'];
                             }
 
@@ -1483,17 +1483,17 @@ 
                         }
                     }
 
-                    if ( !empty( $user_cart_details ) && serialize( $cart_items ) == serialize( $user_cart_details ) ) {
-                        wp_send_json( array(
+                    if (!empty($user_cart_details) && serialize($cart_items) == serialize($user_cart_details)) {
+                        wp_send_json(array(
                             'success' =>  $invoice->get_checkout_payment_url()
-                        ) );
+                        ));
                         wp_die();
                     }
                 }
             }
 
             // Create invoice and send user to checkout
-            if ( !empty( $cart_items ) ) {
+            if (!empty($cart_items)) {
                 $invoice_data = array(
                     'status'        =>  'wpi-pending',
                     'created_via'   =>  'wpi',
@@ -1501,21 +1501,21 @@ 
                     'cart_details'  =>  $cart_items,
                 );
 
-                $invoice = wpinv_insert_invoice( $invoice_data, true );
+                $invoice = wpinv_insert_invoice($invoice_data, true);
 
-                if ( !empty( $invoice ) && isset( $invoice->ID ) ) {
-                    wp_send_json( array(
+                if (!empty($invoice) && isset($invoice->ID)) {
+                    wp_send_json(array(
                         'success' =>  $invoice->get_checkout_payment_url()
-                    ) );
+                    ));
                 } else {
-                    wp_send_json( array(
-                        'error' => __( 'Invoice failed to create', 'invoicing' )
-                    ) );
+                    wp_send_json(array(
+                        'error' => __('Invoice failed to create', 'invoicing')
+                    ));
                 }
             } else {
-                wp_send_json( array(
-                    'error' => __( 'Items not valid.', 'invoicing' )
-                ) );
+                wp_send_json(array(
+                    'error' => __('Items not valid.', 'invoicing')
+                ));
             }
         }
 

includes/admin/meta-boxes/class-getpaid-meta-box-invoice-payment-meta.php

Spacing +21 added lines, -21 removed lines

@@ -7,7 +7,7 @@ 
  *
  */
 
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
 	exit; // Exit if accessed directly
 }
 
@@ -21,10 +21,10 @@ 
 	 *
 	 * @param WP_Post $post
 	 */
-    public static function output( $post ) {
+    public static function output($post) {
 
         // Prepare the invoice.
-        $invoice = new WPInv_Invoice( $post );
+        $invoice = new WPInv_Invoice($post);
 
         ?>
 
@@ -45,10 +45,10 @@ 
                                 'type'        => 'text',
                                 'id'          => 'wpinv_key',
                                 'name'        => 'wpinv_key',
-                                'label'       => __( 'Invoice Key:', 'invoicing' ),
+                                'label'       => __('Invoice Key:', 'invoicing'),
                                 'label_type'  => 'vertical',
                                 'class'       => 'form-control-sm',
-                                'value'       => $invoice->get_key( 'edit' ),
+                                'value'       => $invoice->get_key('edit'),
                                 'extra_attributes' => array(
                                     'onclick'  => 'this.select();',
                                     'readonly' => 'true',
@@ -62,7 +62,7 @@ 
                                 'type'        => 'text',
                                 'id'          => 'wpinv_view_url',
                                 'name'        => 'wpinv_view_url',
-                                'label'       => __( 'Invoice URL:', 'invoicing' ),
+                                'label'       => __('Invoice URL:', 'invoicing'),
                                 'label_type'  => 'vertical',
                                 'class'       => 'form-control-sm',
                                 'value'       => $invoice->get_view_url(),
@@ -74,7 +74,7 @@ 
                         );
 
                         // If the invoice is paid...
-                        if ( $invoice->is_paid() || $invoice->is_refunded() ) {
+                        if ($invoice->is_paid() || $invoice->is_refunded()) {
 
                             // Payment date.
                             echo aui()->input(
@@ -82,11 +82,11 @@ 
                                     'type'        => 'datepicker',
                                     'id'          => 'wpinv_date_completed',
                                     'name'        => 'date_completed',
-                                    'label'       => __( 'Payment Date:', 'invoicing' ),
+                                    'label'       => __('Payment Date:', 'invoicing'),
                                     'label_type'  => 'vertical',
                                     'placeholder' => 'YYYY-MM-DD 00:00',
                                     'class'       => 'form-control-sm',
-                                    'value'       => $invoice->get_date_completed( 'edit' ),
+                                    'value'       => $invoice->get_date_completed('edit'),
                                     'extra_attributes' => array(
                                         'data-enable-time' => 'true',
                                         'data-time_24hr'   => 'true',
@@ -101,10 +101,10 @@ 
                                     'type'        => 'text',
                                     'id'          => 'wpinv_gateway',
                                     'name'        => 'wpinv_gateway',
-                                    'label'       => __( 'Gateway:', 'invoicing' ),
+                                    'label'       => __('Gateway:', 'invoicing'),
                                     'label_type'  => 'vertical',
                                     'class'       => 'form-control-sm',
-                                    'value'       => wpinv_get_gateway_admin_label( $invoice->get_gateway( 'edit' ) ),
+                                    'value'       => wpinv_get_gateway_admin_label($invoice->get_gateway('edit')),
                                     'extra_attributes' => array(
                                         'onclick'  => 'this.select();',
                                         'readonly' => 'true',
@@ -118,11 +118,11 @@ 
                                     'type'        => 'text',
                                     'id'          => 'wpinv_transaction_id',
                                     'name'        => 'wpinv_transaction_id',
-                                    'label'       => __( 'Transaction ID:', 'invoicing' ),
+                                    'label'       => __('Transaction ID:', 'invoicing'),
                                     'label_type'  => 'vertical',
                                     'class'       => 'form-control-sm',
-                                    'value'       => $invoice->get_transaction_id( 'edit' ),
-                                    'help_text'   => apply_filters( 'wpinv_invoice_transaction_link_' . $invoice->get_gateway( 'edit' ), $invoice->get_transaction_id(), $invoice ),
+                                    'value'       => $invoice->get_transaction_id('edit'),
+                                    'help_text'   => apply_filters('wpinv_invoice_transaction_link_' . $invoice->get_gateway('edit'), $invoice->get_transaction_id(), $invoice),
                                     'extra_attributes' => array(
                                         'onclick'  => 'this.select();',
                                         'readonly' => 'true',
@@ -136,10 +136,10 @@ 
                                     'type'        => 'text',
                                     'id'          => 'wpinv_currency',
                                     'name'        => 'wpinv_currency',
-                                    'label'       => __( 'Currency:', 'invoicing' ),
+                                    'label'       => __('Currency:', 'invoicing'),
                                     'label_type'  => 'vertical',
                                     'class'       => 'form-control-sm',
-                                    'value'       => $invoice->get_currency( 'edit' ),
+                                    'value'       => $invoice->get_currency('edit'),
                                     'extra_attributes' => array(
                                         'onclick'  => 'this.select();',
                                         'readonly' => 'true',
@@ -155,7 +155,7 @@ 
                                     'type'        => 'text',
                                     'id'          => 'wpinv_payment_url',
                                     'name'        => 'wpinv_payment_url',
-                                    'label'       => __( 'Payment URL:', 'invoicing' ),
+                                    'label'       => __('Payment URL:', 'invoicing'),
                                     'label_type'  => 'vertical',
                                     'class'       => 'form-control-sm',
                                     'value'       => $invoice->get_checkout_payment_url(),
@@ -171,13 +171,13 @@ 
                                 array(
                                     'id'               => 'wpinv_gateway',
                                     'name'             => 'wpinv_gateway',
-                                    'label'            => __( 'Gateway:', 'invoicing' ),
+                                    'label'            => __('Gateway:', 'invoicing'),
                                     'label_type'       => 'vertical',
-                                    'placeholder'      => __( 'Select Gateway', 'invoicing' ),
-                                    'value'            => $invoice->get_gateway( 'edit' ),
+                                    'placeholder'      => __('Select Gateway', 'invoicing'),
+                                    'value'            => $invoice->get_gateway('edit'),
                                     'select2'          => true,
                                     'data-allow-clear' => 'false',
-                                    'options'          => wp_list_pluck( wpinv_get_enabled_payment_gateways( true ), 'admin_label' ),
+                                    'options'          => wp_list_pluck(wpinv_get_enabled_payment_gateways(true), 'admin_label'),
                                 )
                             );
 

includes/admin/meta-boxes/class-getpaid-meta-box-invoice-items.php

Spacing +49 added lines, -49 removed lines

@@ -7,7 +7,7 @@ 
  *
  */
 
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
 	exit; // Exit if accessed directly
 }
 
@@ -21,16 +21,16 @@ 
 	 *
 	 * @param WP_Post $post
 	 */
-    public static function output( $post ) {
+    public static function output($post) {
 
         // Prepare the invoice.
-        $invoice = new WPInv_Invoice( $post );
+        $invoice = new WPInv_Invoice($post);
 
         // Invoice items.
         $items = $invoice->get_items();
 
         // New item url.
-        $new_item = admin_url( 'post-new.php?post_type=wpi_item' );
+        $new_item = admin_url('post-new.php?post_type=wpi_item');
         ?>
 
         <style>
@@ -45,10 +45,10 @@ 
             }
         </style>
 
-                <div class="bsui getpaid-invoice-items-inner <?php echo sanitize_html_class( $invoice->get_template( 'edit' ) ); ?> <?php echo empty( $items ) ? 'no-items' : 'has-items'; ?>" style="margin-top: 1.5rem">
+                <div class="bsui getpaid-invoice-items-inner <?php echo sanitize_html_class($invoice->get_template('edit')); ?> <?php echo empty($items) ? 'no-items' : 'has-items'; ?>" style="margin-top: 1.5rem">
 
-                    <?php if ( ! $invoice->is_paid() && ! $invoice->is_refunded() ) : ?>
-                        <?php do_action( 'wpinv_meta_box_before_invoice_template_row', $invoice->get_id() ); ?>
+                    <?php if (!$invoice->is_paid() && !$invoice->is_refunded()) : ?>
+                        <?php do_action('wpinv_meta_box_before_invoice_template_row', $invoice->get_id()); ?>
 
                         <div class="row">
                             <div class="col-12 col-sm-6">
@@ -57,15 +57,15 @@ 
                                         array(
                                             'id'          => 'wpinv_template',
                                             'name'        => 'wpinv_template',
-                                            'label'       => __( 'Template', 'invoicing' ),
+                                            'label'       => __('Template', 'invoicing'),
                                             'label_type'  => 'vertical',
-                                            'placeholder' => __( 'Choose a template', 'invoicing' ),
+                                            'placeholder' => __('Choose a template', 'invoicing'),
                                             'class'       => 'form-control-sm',
-                                            'value'       => $invoice->get_template( 'edit' ),
+                                            'value'       => $invoice->get_template('edit'),
                                             'options'     => array(
-                                                'quantity' => __( 'Quantity', 'invoicing' ),
-                                                'hours'    => __( 'Hours', 'invoicing' ),
-                                                'amount'   => __( 'Amount Only', 'invoicing' ),
+                                                'quantity' => __('Quantity', 'invoicing'),
+                                                'hours'    => __('Hours', 'invoicing'),
+                                                'amount'   => __('Amount Only', 'invoicing'),
                                             ),
                                             'data-allow-clear' => 'false',
                                             'select2'          => true,
@@ -81,11 +81,11 @@ 
                                         array(
                                             'id'          => 'wpinv_currency',
                                             'name'        => 'wpinv_currency',
-                                            'label'       => __( 'Currency', 'invoicing' ),
+                                            'label'       => __('Currency', 'invoicing'),
                                             'label_type'  => 'vertical',
-                                            'placeholder' => __( 'Select Invoice Currency', 'invoicing' ),
+                                            'placeholder' => __('Select Invoice Currency', 'invoicing'),
                                             'class'       => 'form-control-sm',
-                                            'value'       => $invoice->get_currency( 'edit' ),
+                                            'value'       => $invoice->get_currency('edit'),
                                             'required'    => false,
                                             'data-allow-clear' => 'false',
                                             'select2'          => true,
@@ -97,24 +97,24 @@ 
                             </div>
                         </div>
 
-                        <?php do_action( 'wpinv_meta_box_invoice_template_row', $invoice->get_id() ); ?>
+                        <?php do_action('wpinv_meta_box_invoice_template_row', $invoice->get_id()); ?>
                     <?php endif; ?>
 
                     <table cellpadding="0" cellspacing="0" class="getpaid_invoice_items">
                         <thead>
                             <tr>
-                                <th class="getpaid-item" colspan="2"><?php _e( 'Item', 'invoicing' ) ?></th>
+                                <th class="getpaid-item" colspan="2"><?php _e('Item', 'invoicing') ?></th>
                                 <th class="getpaid-quantity hide-if-amount text-right">
-                                    <span class="getpaid-hide-if-hours"><?php _e( 'Quantity', 'invoicing' ) ?></span>
-                                    <span class="getpaid-hide-if-quantity"><?php _e( 'Hours', 'invoicing' ) ?></span>
+                                    <span class="getpaid-hide-if-hours"><?php _e('Quantity', 'invoicing') ?></span>
+                                    <span class="getpaid-hide-if-quantity"><?php _e('Hours', 'invoicing') ?></span>
                                 </th>
                                 <th class="getpaid-price hide-if-amount text-right">
-                                    <span class="getpaid-hide-if-hours"><?php _e( 'Price', 'invoicing' ) ?></span>
-                                    <span class="getpaid-hide-if-quantity"><?php _e( 'Rate', 'invoicing' ) ?></span>
+                                    <span class="getpaid-hide-if-hours"><?php _e('Price', 'invoicing') ?></span>
+                                    <span class="getpaid-hide-if-quantity"><?php _e('Rate', 'invoicing') ?></span>
                                 </th>
                                 <th class="getpaid-item-subtotal text-right">
-                                    <span class="getpaid-hide-if-hours getpaid-hide-if-quantity"><?php _e( 'Amount', 'invoicing' ) ?></span>
-                                    <span class="hide-if-amount"><?php _e( 'Total', 'invoicing' ) ?></span>
+                                    <span class="getpaid-hide-if-hours getpaid-hide-if-quantity"><?php _e('Amount', 'invoicing') ?></span>
+                                    <span class="hide-if-amount"><?php _e('Total', 'invoicing') ?></span>
                                 </th>
                                 <th class="getpaid-item-actions" width="70px">&nbsp;</th>
                             </tr>
@@ -122,8 +122,8 @@ 
 		                <tbody class="getpaid_invoice_line_items">
                             <tr class="hide-if-has-items">
                                 <td colspan="2" class="pt-4 pb-4">
-                                    <button type="button" class="button button-primary add-invoice-item" data-toggle="modal" data-target="#getpaid-add-items-to-invoice"><?php _e( 'Add Existing Items', 'invoicing' ) ?></button>
-	                                <a href="<?php echo esc_url( $new_item ); ?>" target="_blank" class="button button-secondary"><?php _e( 'Create New Item', 'invoicing' ) ?></a>
+                                    <button type="button" class="button button-primary add-invoice-item" data-toggle="modal" data-target="#getpaid-add-items-to-invoice"><?php _e('Add Existing Items', 'invoicing') ?></button>
+	                                <a href="<?php echo esc_url($new_item); ?>" target="_blank" class="button button-secondary"><?php _e('Create New Item', 'invoicing') ?></a>
                                 </td>
                                 <td class="hide-if-amount">&nbsp;</th>
                                 <td class="hide-if-amount">&nbsp;</th>
@@ -154,12 +154,12 @@ 
                     <div class="getpaid-invoice-item-actions hide-if-no-items">
                         <div class="row">
                             <div class="text-left col-12 col-sm-8">
-                                <button type="button" class="button add-invoice-item" data-toggle="modal" data-target="#getpaid-add-items-to-invoice"><?php _e( 'Add Existing Item', 'invoicing' ) ?></button>
-                                <a href="<?php echo esc_url( $new_item ); ?>" target="_blank" class="button button-secondary"><?php _e( 'Create New Item', 'invoicing' ) ?></a>
-                                <?php do_action( 'getpaid-invoice-items-actions', $invoice ); ?>
+                                <button type="button" class="button add-invoice-item" data-toggle="modal" data-target="#getpaid-add-items-to-invoice"><?php _e('Add Existing Item', 'invoicing') ?></button>
+                                <a href="<?php echo esc_url($new_item); ?>" target="_blank" class="button button-secondary"><?php _e('Create New Item', 'invoicing') ?></a>
+                                <?php do_action('getpaid-invoice-items-actions', $invoice); ?>
                             </div>
                             <div class="text-right col-12 col-sm-4">
-                                <button type="button" class="button button-primary recalculate-totals-button"><?php _e( 'Recalculate Totals', 'invoicing' ) ?></button>
+                                <button type="button" class="button button-primary recalculate-totals-button"><?php _e('Recalculate Totals', 'invoicing') ?></button>
                             </div>
                         </div>
                     </div>
@@ -169,8 +169,8 @@ 
                         <div class="modal-dialog modal-dialog-centered" role="document">
                             <div class="modal-content">
                                 <div class="modal-header">
-                                    <h5 class="modal-title" id="getpaid-add-item-to-invoice-label"><?php _e( "Add Item(s)", 'invoicing' ); ?></h5>
-                                    <button type="button" class="close" data-dismiss="modal" aria-label="<?php _e( "Close", 'invoicing' ); ?>">
+                                    <h5 class="modal-title" id="getpaid-add-item-to-invoice-label"><?php _e("Add Item(s)", 'invoicing'); ?></h5>
+                                    <button type="button" class="close" data-dismiss="modal" aria-label="<?php _e("Close", 'invoicing'); ?>">
                                         <span aria-hidden="true">&times;</span>
                                     </button>
                                 </div>
@@ -178,17 +178,17 @@ 
                                     <table class="widefat">
                                         <thead>
                                             <tr>
-                                                <th class="pl-0 text-left"><?php _e( 'Item', 'invoicing' ) ?></th>
+                                                <th class="pl-0 text-left"><?php _e('Item', 'invoicing') ?></th>
                                                 <th class="pr-0 text-right">
-                                                    <span class="getpaid-hide-if-hours"><?php _e( 'Quantity', 'invoicing' ) ?></span>
-                                                    <span class="getpaid-hide-if-quantity"><?php _e( 'Hours', 'invoicing' ) ?></span>
+                                                    <span class="getpaid-hide-if-hours"><?php _e('Quantity', 'invoicing') ?></span>
+                                                    <span class="getpaid-hide-if-quantity"><?php _e('Hours', 'invoicing') ?></span>
                                                 </th>
                                             </tr>
                                         </thead>
 										<tbody>
 								            <tr>
 									            <td class="pl-0 text-left">
-                                                    <select class="getpaid-item-search regular-text" data-placeholder="<?php esc_attr_e( 'Search for an item…', 'invoicing' ); ?>"></select>
+                                                    <select class="getpaid-item-search regular-text" data-placeholder="<?php esc_attr_e('Search for an item…', 'invoicing'); ?>"></select>
                                                 </td>
 									            <td class="pr-0 text-right">
                                                     <input type="number" class="w100" step="1" min="1" autocomplete="off" value="1" placeholder="1">
@@ -198,8 +198,8 @@ 
 						            </table>
                                 </div>
                                 <div class="modal-footer">
-                                    <button type="button" class="btn btn-secondary getpaid-cancel" data-dismiss="modal"><?php _e( 'Cancel', 'invoicing' ); ?></button>
-                                    <button type="button" class="btn btn-primary getpaid-add" data-dismiss="modal"><?php _e( 'Add', 'invoicing' ); ?></button>
+                                    <button type="button" class="btn btn-secondary getpaid-cancel" data-dismiss="modal"><?php _e('Cancel', 'invoicing'); ?></button>
+                                    <button type="button" class="btn btn-primary getpaid-add" data-dismiss="modal"><?php _e('Add', 'invoicing'); ?></button>
                                 </div>
                             </div>
                         </div>
@@ -210,8 +210,8 @@ 
                         <div class="modal-dialog modal-dialog-centered" role="document">
                             <div class="modal-content">
                                 <div class="modal-header">
-                                    <h5 class="modal-title" id="getpaid-edit-invoice-item-label"><?php _e( "Edit Item", 'invoicing' ); ?></h5>
-                                    <button type="button" class="close" data-dismiss="modal" aria-label="<?php _e( "Close", 'invoicing' ); ?>">
+                                    <h5 class="modal-title" id="getpaid-edit-invoice-item-label"><?php _e("Edit Item", 'invoicing'); ?></h5>
+                                    <button type="button" class="close" data-dismiss="modal" aria-label="<?php _e("Close", 'invoicing'); ?>">
                                         <span aria-hidden="true">&times;</span>
                                     </button>
                                 </div>
@@ -219,26 +219,26 @@ 
                                     <div class="getpaid-edit-item-div">
                                         <input type="hidden" name="id" class="form-control form-control-sm item-id">
                                         <label class="form-group w-100">
-                                            <span><?php _e( 'Name', 'invoicing' ); ?></span>
-                                            <input type="text" name="name" placeholder="<?php esc_attr_e( 'Item Name', 'invoicing' ); ?>" class="form-control form-control-sm item-name">
+                                            <span><?php _e('Name', 'invoicing'); ?></span>
+                                            <input type="text" name="name" placeholder="<?php esc_attr_e('Item Name', 'invoicing'); ?>" class="form-control form-control-sm item-name">
                                         </label>
                                         <label class="form-group w-100">
-                                            <span><?php _e( 'Price', 'invoicing' ); ?></span>
-                                            <input type="text" name="price" placeholder="<?php wpinv_sanitize_amount( 0 ); ?>" class="form-control form-control-sm item-price">
+                                            <span><?php _e('Price', 'invoicing'); ?></span>
+                                            <input type="text" name="price" placeholder="<?php wpinv_sanitize_amount(0); ?>" class="form-control form-control-sm item-price">
                                         </label>
                                         <label class="form-group w-100">
-                                            <span><?php _e( 'Quantity', 'invoicing' ); ?></span>
+                                            <span><?php _e('Quantity', 'invoicing'); ?></span>
                                             <input type="number" name="quantity" placeholder="1" class="form-control form-control-sm item-quantity">
                                         </label>
                                         <label class="form-group w-100">
-                                            <span><?php _e( 'Item Description', 'invoicing' ); ?></span>
-                                            <textarea name="description" placeholder="<?php esc_attr_e( 'Enter a description for this item', 'invoicing' ); ?>" class="form-control item-description"></textarea>
+                                            <span><?php _e('Item Description', 'invoicing'); ?></span>
+                                            <textarea name="description" placeholder="<?php esc_attr_e('Enter a description for this item', 'invoicing'); ?>" class="form-control item-description"></textarea>
                                         </label>
                                     </div>
                                 </div>
                                 <div class="modal-footer">
-                                    <button type="button" class="btn btn-secondary getpaid-cancel" data-dismiss="modal"><?php _e( 'Cancel', 'invoicing' ); ?></button>
-                                    <button type="button" class="btn btn-primary getpaid-save" data-dismiss="modal"><?php _e( 'Save', 'invoicing' ); ?></button>
+                                    <button type="button" class="btn btn-secondary getpaid-cancel" data-dismiss="modal"><?php _e('Cancel', 'invoicing'); ?></button>
+                                    <button type="button" class="btn btn-primary getpaid-save" data-dismiss="modal"><?php _e('Save', 'invoicing'); ?></button>
                                 </div>
                             </div>
                         </div>

includes/class-wpinv.php

Spacing +273 added lines, -273 removed lines

@@ -7,15 +7,15 @@ 
  */
  
 // MUST have WordPress.
-if ( !defined( 'WPINC' ) ) {
-    exit( 'Do NOT access this file directly: ' . basename( __FILE__ ) );
+if (!defined('WPINC')) {
+    exit('Do NOT access this file directly: ' . basename(__FILE__));
 }
 
 class WPInv_Plugin {
     private static $instance;
     
     public static function run() {
-        if ( !isset( self::$instance ) && !( self::$instance instanceof WPInv_Plugin ) ) {
+        if (!isset(self::$instance) && !(self::$instance instanceof WPInv_Plugin)) {
             self::$instance = new WPInv_Plugin;
             self::$instance->includes();
             self::$instance->actions();
@@ -33,35 +33,35 @@ 
     }
     
     public function define_constants() {
-        define( 'WPINV_PLUGIN_DIR', plugin_dir_path( WPINV_PLUGIN_FILE ) );
-        define( 'WPINV_PLUGIN_URL', plugin_dir_url( WPINV_PLUGIN_FILE ) );
+        define('WPINV_PLUGIN_DIR', plugin_dir_path(WPINV_PLUGIN_FILE));
+        define('WPINV_PLUGIN_URL', plugin_dir_url(WPINV_PLUGIN_FILE));
     }
 
     private function actions() {
         /* Internationalize the text strings used. */
-        add_action( 'plugins_loaded', array( &$this, 'plugins_loaded' ) );
+        add_action('plugins_loaded', array(&$this, 'plugins_loaded'));
         
         /* Perform actions on admin initialization. */
-        add_action( 'admin_init', array( &$this, 'admin_init') );
-        add_action( 'init', array( &$this, 'init' ), 3 );
-        add_action( 'init', array( &$this, 'wpinv_actions' ) );
+        add_action('admin_init', array(&$this, 'admin_init'));
+        add_action('init', array(&$this, 'init'), 3);
+        add_action('init', array(&$this, 'wpinv_actions'));
         
-        if ( class_exists( 'BuddyPress' ) ) {
-            add_action( 'bp_include', array( &$this, 'bp_invoicing_init' ) );
+        if (class_exists('BuddyPress')) {
+            add_action('bp_include', array(&$this, 'bp_invoicing_init'));
         }
 
-        add_action( 'wp_enqueue_scripts', array( &$this, 'enqueue_scripts' ) );
-        add_action( 'wp_footer', array( &$this, 'wp_footer' ) );
-        add_action( 'widgets_init', array( &$this, 'register_widgets' ) );
-        add_filter( 'wpseo_exclude_from_sitemap_by_post_ids', array( $this, 'wpseo_exclude_from_sitemap_by_post_ids' ) );
+        add_action('wp_enqueue_scripts', array(&$this, 'enqueue_scripts'));
+        add_action('wp_footer', array(&$this, 'wp_footer'));
+        add_action('widgets_init', array(&$this, 'register_widgets'));
+        add_filter('wpseo_exclude_from_sitemap_by_post_ids', array($this, 'wpseo_exclude_from_sitemap_by_post_ids'));
 
-        if ( is_admin() ) {
-            add_action( 'admin_enqueue_scripts', array( &$this, 'admin_enqueue_scripts' ) );
-            add_filter( 'admin_body_class', array( &$this, 'admin_body_class' ) );
-            add_action( 'admin_init', array( &$this, 'init_ayecode_connect_helper' ) );
+        if (is_admin()) {
+            add_action('admin_enqueue_scripts', array(&$this, 'admin_enqueue_scripts'));
+            add_filter('admin_body_class', array(&$this, 'admin_body_class'));
+            add_action('admin_init', array(&$this, 'init_ayecode_connect_helper'));
 
         } else {
-            add_filter( 'pre_get_posts', array( &$this, 'pre_get_posts' ) );
+            add_filter('pre_get_posts', array(&$this, 'pre_get_posts'));
         }
         
         /**
@@ -71,28 +71,28 @@ 
          *
          * @param WPInv_Plugin $this. Current WPInv_Plugin instance. Passed by reference.
          */
-        do_action_ref_array( 'wpinv_actions', array( &$this ) );
+        do_action_ref_array('wpinv_actions', array(&$this));
 
-        add_action( 'admin_init', array( &$this, 'activation_redirect') );
+        add_action('admin_init', array(&$this, 'activation_redirect'));
     }
 
     /**
      * Maybe show the AyeCode Connect Notice.
      */
-    public function init_ayecode_connect_helper(){
+    public function init_ayecode_connect_helper() {
         // AyeCode Connect notice
-        if ( is_admin() ){
+        if (is_admin()) {
             // set the strings so they can be translated
             $strings = array(
-                'connect_title' => __("WP Invoicing - an AyeCode product!","invoicing"),
-                'connect_external'  => __( "Please confirm you wish to connect your site?","invoicing" ),
-                'connect'           => sprintf( __( "<strong>Have a license?</strong> Forget about entering license keys or downloading zip files, connect your site for instant access. %slearn more%s","invoicing" ),"<a href='https://ayecode.io/introducing-ayecode-connect/' target='_blank'>","</a>" ),
-                'connect_button'    => __("Connect Site","invoicing"),
-                'connecting_button'    => __("Connecting...","invoicing"),
-                'error_localhost'   => __( "This service will only work with a live domain, not a localhost.","invoicing" ),
-                'error'             => __( "Something went wrong, please refresh and try again.","invoicing" ),
+                'connect_title' => __("WP Invoicing - an AyeCode product!", "invoicing"),
+                'connect_external'  => __("Please confirm you wish to connect your site?", "invoicing"),
+                'connect'           => sprintf(__("<strong>Have a license?</strong> Forget about entering license keys or downloading zip files, connect your site for instant access. %slearn more%s", "invoicing"), "<a href='https://ayecode.io/introducing-ayecode-connect/' target='_blank'>", "</a>"),
+                'connect_button'    => __("Connect Site", "invoicing"),
+                'connecting_button'    => __("Connecting...", "invoicing"),
+                'error_localhost'   => __("This service will only work with a live domain, not a localhost.", "invoicing"),
+                'error'             => __("Something went wrong, please refresh and try again.", "invoicing"),
             );
-            new AyeCode_Connect_Helper($strings,array('wpi-addons'));
+            new AyeCode_Connect_Helper($strings, array('wpi-addons'));
         }
     }
     
@@ -100,10 +100,10 @@ 
         /* Internationalize the text strings used. */
         $this->load_textdomain();
 
-        do_action( 'wpinv_loaded' );
+        do_action('wpinv_loaded');
 
         // Fix oxygen page builder conflict
-        if ( function_exists( 'ct_css_output' ) ) {
+        if (function_exists('ct_css_output')) {
             wpinv_oxygen_fix_conflict();
         }
     }
@@ -113,144 +113,144 @@ 
      *
      * @since 1.0
      */
-    public function load_textdomain( $locale = NULL ) {
-        if ( empty( $locale ) ) {
-            $locale = is_admin() && function_exists( 'get_user_locale' ) ? get_user_locale() : get_locale();
+    public function load_textdomain($locale = NULL) {
+        if (empty($locale)) {
+            $locale = is_admin() && function_exists('get_user_locale') ? get_user_locale() : get_locale();
         }
 
-        $locale = apply_filters( 'plugin_locale', $locale, 'invoicing' );
+        $locale = apply_filters('plugin_locale', $locale, 'invoicing');
         
-        unload_textdomain( 'invoicing' );
-        load_textdomain( 'invoicing', WP_LANG_DIR . '/invoicing/invoicing-' . $locale . '.mo' );
-        load_plugin_textdomain( 'invoicing', false, WPINV_PLUGIN_DIR . 'languages' );
+        unload_textdomain('invoicing');
+        load_textdomain('invoicing', WP_LANG_DIR . '/invoicing/invoicing-' . $locale . '.mo');
+        load_plugin_textdomain('invoicing', false, WPINV_PLUGIN_DIR . 'languages');
         
         /**
          * Define language constants.
          */
-        require_once( WPINV_PLUGIN_DIR . 'language.php' );
+        require_once(WPINV_PLUGIN_DIR . 'language.php');
     }
 
     public function includes() {
         global $wpinv_options;
 
-        require_once( WPINV_PLUGIN_DIR . 'includes/admin/register-settings.php' );
+        require_once(WPINV_PLUGIN_DIR . 'includes/admin/register-settings.php');
         $wpinv_options = wpinv_get_settings();
 
         // Load composer packages.
-        require_once( WPINV_PLUGIN_DIR . 'vendor/autoload.php' );
+        require_once(WPINV_PLUGIN_DIR . 'vendor/autoload.php');
 
         // load AUI
-        require_once( WPINV_PLUGIN_DIR . 'vendor/ayecode/wp-ayecode-ui/ayecode-ui-loader.php' );
+        require_once(WPINV_PLUGIN_DIR . 'vendor/ayecode/wp-ayecode-ui/ayecode-ui-loader.php');
 
         // Load the action scheduler.
-        require_once( WPINV_PLUGIN_DIR . 'includes/libraries/action-scheduler/action-scheduler.php' );
+        require_once(WPINV_PLUGIN_DIR . 'includes/libraries/action-scheduler/action-scheduler.php');
 
         // Load functions.
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-email-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-general-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-helper-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-tax-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-template-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-address-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-invoice-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-item-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-discount-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-gateway-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-payment-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-user-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-error-functions.php' );
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-email-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-general-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-helper-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-tax-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-template-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-address-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-invoice-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-item-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-discount-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-gateway-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-payment-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-user-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-error-functions.php');
 
         // Register autoloader.
 		try {
-			spl_autoload_register( array( $this, 'autoload' ), true );
-		} catch ( Exception $e ) {
-			wpinv_error_log( $e->getMessage(), '', __FILE__, 149, true );
-        }
-
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-post-types.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-invoice.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-discount.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-item.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-notes.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/abstracts/abstract-wpinv-session.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-session-handler.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-ajax.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-api.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-reports.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-cache-helper.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-db.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/admin/subscriptions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-subscriptions-db.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-subscriptions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-subscription.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/admin/class-wpinv-subscriptions-list-table.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/abstracts/abstract-wpinv-privacy.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-privacy.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/libraries/class-ayecode-addons.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-addons.php' );
-	    require_once( WPINV_PLUGIN_DIR . 'widgets/checkout.php' );
-	    require_once( WPINV_PLUGIN_DIR . 'widgets/invoice-history.php' );
-	    require_once( WPINV_PLUGIN_DIR . 'widgets/invoice-receipt.php' );
-	    require_once( WPINV_PLUGIN_DIR . 'widgets/invoice-messages.php' );
-	    require_once( WPINV_PLUGIN_DIR . 'widgets/subscriptions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'widgets/buy-item.php' );
-        require_once( WPINV_PLUGIN_DIR . 'widgets/getpaid.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-payment-form-elements.php' );
-
-        if ( !class_exists( 'WPInv_EUVat' ) ) {
-            require_once( WPINV_PLUGIN_DIR . 'includes/libraries/wpinv-euvat/class-wpinv-euvat.php' );
+			spl_autoload_register(array($this, 'autoload'), true);
+		} catch (Exception $e) {
+			wpinv_error_log($e->getMessage(), '', __FILE__, 149, true);
+        }
+
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-post-types.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-invoice.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-discount.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-item.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-notes.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/abstracts/abstract-wpinv-session.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-session-handler.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-ajax.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-api.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-reports.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-cache-helper.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-db.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/admin/subscriptions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-subscriptions-db.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-subscriptions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-subscription.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/admin/class-wpinv-subscriptions-list-table.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/abstracts/abstract-wpinv-privacy.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-privacy.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/libraries/class-ayecode-addons.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-addons.php');
+	    require_once(WPINV_PLUGIN_DIR . 'widgets/checkout.php');
+	    require_once(WPINV_PLUGIN_DIR . 'widgets/invoice-history.php');
+	    require_once(WPINV_PLUGIN_DIR . 'widgets/invoice-receipt.php');
+	    require_once(WPINV_PLUGIN_DIR . 'widgets/invoice-messages.php');
+	    require_once(WPINV_PLUGIN_DIR . 'widgets/subscriptions.php');
+        require_once(WPINV_PLUGIN_DIR . 'widgets/buy-item.php');
+        require_once(WPINV_PLUGIN_DIR . 'widgets/getpaid.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-payment-form-elements.php');
+
+        if (!class_exists('WPInv_EUVat')) {
+            require_once(WPINV_PLUGIN_DIR . 'includes/libraries/wpinv-euvat/class-wpinv-euvat.php');
         }
         
-        $gateways = array_keys( wpinv_get_enabled_payment_gateways() );
-        if ( !empty( $gateways ) ) {
-            foreach ( $gateways as $gateway ) {
-                if ( $gateway == 'manual' ) {
+        $gateways = array_keys(wpinv_get_enabled_payment_gateways());
+        if (!empty($gateways)) {
+            foreach ($gateways as $gateway) {
+                if ($gateway == 'manual') {
                     continue;
                 }
                 
                 $gateway_file = WPINV_PLUGIN_DIR . 'includes/gateways/' . $gateway . '.php';
                 
-                if ( file_exists( $gateway_file ) ) {
-                    require_once( $gateway_file );
+                if (file_exists($gateway_file)) {
+                    require_once($gateway_file);
                 }
             }
         }
-        require_once( WPINV_PLUGIN_DIR . 'includes/gateways/manual.php' );
+        require_once(WPINV_PLUGIN_DIR . 'includes/gateways/manual.php');
         
-        if ( is_admin() || ( defined( 'WP_CLI' ) && WP_CLI ) ) {
-            require_once( WPINV_PLUGIN_DIR . 'includes/admin/wpinv-upgrade-functions.php' );
-            require_once( WPINV_PLUGIN_DIR . 'includes/admin/wpinv-admin-functions.php' );
-            require_once( WPINV_PLUGIN_DIR . 'includes/admin/admin-meta-boxes.php' );
+        if (is_admin() || (defined('WP_CLI') && WP_CLI)) {
+            require_once(WPINV_PLUGIN_DIR . 'includes/admin/wpinv-upgrade-functions.php');
+            require_once(WPINV_PLUGIN_DIR . 'includes/admin/wpinv-admin-functions.php');
+            require_once(WPINV_PLUGIN_DIR . 'includes/admin/admin-meta-boxes.php');
             //require_once( WPINV_PLUGIN_DIR . 'includes/admin/class-wpinv-recurring-admin.php' );
-            require_once( WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-invoice-details.php' );
-            require_once( WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-invoice-items.php' );
-            require_once( WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-payment-form.php' );
-            require_once( WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-invoice-notes.php' );
-            require_once( WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-invoice-address.php' );
-            require_once( WPINV_PLUGIN_DIR . 'includes/admin/admin-pages.php' );
-            require_once( WPINV_PLUGIN_DIR . 'includes/admin/class-wpinv-admin-menus.php' );
-            require_once( WPINV_PLUGIN_DIR . 'includes/admin/class-wpinv-users.php' );
-            require_once( WPINV_PLUGIN_DIR . 'includes/admin/class-getpaid-admin-profile.php' );
+            require_once(WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-invoice-details.php');
+            require_once(WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-invoice-items.php');
+            require_once(WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-payment-form.php');
+            require_once(WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-invoice-notes.php');
+            require_once(WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-invoice-address.php');
+            require_once(WPINV_PLUGIN_DIR . 'includes/admin/admin-pages.php');
+            require_once(WPINV_PLUGIN_DIR . 'includes/admin/class-wpinv-admin-menus.php');
+            require_once(WPINV_PLUGIN_DIR . 'includes/admin/class-wpinv-users.php');
+            require_once(WPINV_PLUGIN_DIR . 'includes/admin/class-getpaid-admin-profile.php');
             //require_once( WPINV_PLUGIN_DIR . 'includes/admin/subscriptions.php' );
             // load the user class only on the users.php page
             global $pagenow;
-            if($pagenow=='users.php'){
+            if ($pagenow == 'users.php') {
                 new WPInv_Admin_Users();
             }
         }
 
         // Register cli commands
-        if ( defined( 'WP_CLI' ) && WP_CLI ) {
-            require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-cli.php' );
-            WP_CLI::add_command( 'invoicing', 'WPInv_CLI' );
+        if (defined('WP_CLI') && WP_CLI) {
+            require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-cli.php');
+            WP_CLI::add_command('invoicing', 'WPInv_CLI');
         }
         
         // include css inliner
-        if ( ! class_exists( 'Emogrifier' ) && class_exists( 'DOMDocument' ) ) {
-            include_once( WPINV_PLUGIN_DIR . 'includes/libraries/class-emogrifier.php' );
+        if (!class_exists('Emogrifier') && class_exists('DOMDocument')) {
+            include_once(WPINV_PLUGIN_DIR . 'includes/libraries/class-emogrifier.php');
         }
         
-        require_once( WPINV_PLUGIN_DIR . 'includes/admin/install.php' );
+        require_once(WPINV_PLUGIN_DIR . 'includes/admin/install.php');
     }
 
     /**
@@ -261,18 +261,18 @@ 
 	 * @since       1.0.19
 	 * @return      void
 	 */
-	public function autoload( $class_name ) {
+	public function autoload($class_name) {
 
 		// Normalize the class name...
-		$class_name  = strtolower( $class_name );
+		$class_name = strtolower($class_name);
 
 		// ... and make sure it is our class.
-		if ( false === strpos( $class_name, 'getpaid_' ) && false === strpos( $class_name, 'wpinv_' ) ) {
+		if (false === strpos($class_name, 'getpaid_') && false === strpos($class_name, 'wpinv_')) {
 			return;
 		}
 
 		// Next, prepare the file name from the class.
-		$file_name = 'class-' . str_replace( '_', '-', $class_name ) . '.php';
+		$file_name = 'class-' . str_replace('_', '-', $class_name) . '.php';
 
 		// And an array of possible locations in order of importance.
 		$locations = array(
@@ -283,11 +283,11 @@ 
 		);
 
 		// Base path of the classes.
-		$plugin_path = untrailingslashit( WPINV_PLUGIN_DIR );
+		$plugin_path = untrailingslashit(WPINV_PLUGIN_DIR);
 
-		foreach ( $locations as $location ) {
+		foreach ($locations as $location) {
 
-			if ( file_exists( "$plugin_path/$location/$file_name" ) ) {
+			if (file_exists("$plugin_path/$location/$file_name")) {
 				include "$plugin_path/$location/$file_name";
 				break;
 			}
@@ -301,117 +301,117 @@ 
     
     public function admin_init() {
         self::$instance->default_payment_form = wpinv_get_default_payment_form();
-        add_action( 'admin_print_scripts-edit.php', array( &$this, 'admin_print_scripts_edit_php' ) );
+        add_action('admin_print_scripts-edit.php', array(&$this, 'admin_print_scripts_edit_php'));
     }
 
     public function activation_redirect() {
         // Bail if no activation redirect
-        if ( !get_transient( '_wpinv_activation_redirect' ) ) {
+        if (!get_transient('_wpinv_activation_redirect')) {
             return;
         }
 
         // Delete the redirect transient
-        delete_transient( '_wpinv_activation_redirect' );
+        delete_transient('_wpinv_activation_redirect');
 
         // Bail if activating from network, or bulk
-        if ( is_network_admin() || isset( $_GET['activate-multi'] ) ) {
+        if (is_network_admin() || isset($_GET['activate-multi'])) {
             return;
         }
 
-        wp_safe_redirect( admin_url( 'admin.php?page=wpinv-settings&tab=general' ) );
+        wp_safe_redirect(admin_url('admin.php?page=wpinv-settings&tab=general'));
         exit;
     }
     
     public function enqueue_scripts() {
-        $suffix       = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
+        $suffix = defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ? '' : '.min';
         
-        $version = filemtime( WPINV_PLUGIN_DIR . 'assets/css/invoice-front.css' );
-        wp_register_style( 'wpinv_front_style', WPINV_PLUGIN_URL . 'assets/css/invoice-front.css', array(), $version );
-        wp_enqueue_style( 'wpinv_front_style' );
+        $version = filemtime(WPINV_PLUGIN_DIR . 'assets/css/invoice-front.css');
+        wp_register_style('wpinv_front_style', WPINV_PLUGIN_URL . 'assets/css/invoice-front.css', array(), $version);
+        wp_enqueue_style('wpinv_front_style');
                
         // Register scripts
-        wp_register_script( 'jquery-blockui', WPINV_PLUGIN_URL . 'assets/js/jquery.blockUI.min.js', array( 'jquery' ), '2.70', true );
-        wp_register_script( 'wpinv-front-script', WPINV_PLUGIN_URL . 'assets/js/invoice-front.js', array( 'jquery' ),  filemtime( WPINV_PLUGIN_DIR . 'assets/js/invoice-front.js' ) );
+        wp_register_script('jquery-blockui', WPINV_PLUGIN_URL . 'assets/js/jquery.blockUI.min.js', array('jquery'), '2.70', true);
+        wp_register_script('wpinv-front-script', WPINV_PLUGIN_URL . 'assets/js/invoice-front.js', array('jquery'), filemtime(WPINV_PLUGIN_DIR . 'assets/js/invoice-front.js'));
 
         $localize                         = array();
-        $localize['ajax_url']             = admin_url( 'admin-ajax.php' );
-        $localize['nonce']                = wp_create_nonce( 'wpinv-nonce' );
+        $localize['ajax_url']             = admin_url('admin-ajax.php');
+        $localize['nonce']                = wp_create_nonce('wpinv-nonce');
         $localize['currency_symbol']      = wpinv_currency_symbol();
         $localize['currency_pos']         = wpinv_currency_position();
         $localize['thousand_sep']         = wpinv_thousands_separator();
         $localize['decimal_sep']          = wpinv_decimal_separator();
         $localize['decimals']             = wpinv_decimals();
-        $localize['txtComplete']          = __( 'Continue', 'invoicing' );
+        $localize['txtComplete']          = __('Continue', 'invoicing');
         $localize['UseTaxes']             = wpinv_use_taxes();
-        $localize['checkoutNonce']        = wp_create_nonce( 'wpinv_checkout_nonce' );
-        $localize['formNonce']            = wp_create_nonce( 'getpaid_form_nonce' );
-        $localize['connectionError']      = __( 'Could not establish a connection to the server.', 'invoicing' );
+        $localize['checkoutNonce']        = wp_create_nonce('wpinv_checkout_nonce');
+        $localize['formNonce']            = wp_create_nonce('getpaid_form_nonce');
+        $localize['connectionError']      = __('Could not establish a connection to the server.', 'invoicing');
 
-        $localize = apply_filters( 'wpinv_front_js_localize', $localize );
+        $localize = apply_filters('wpinv_front_js_localize', $localize);
         
-        wp_enqueue_script( 'jquery-blockui' );
+        wp_enqueue_script('jquery-blockui');
         $autofill_api = wpinv_get_option('address_autofill_api');
         $autofill_active = wpinv_get_option('address_autofill_active');
-        if ( isset( $autofill_active ) && 1 == $autofill_active && !empty( $autofill_api ) && wpinv_is_checkout() ) {
-            if ( wp_script_is( 'google-maps-api', 'enqueued' ) ) {
-                wp_dequeue_script( 'google-maps-api' );
+        if (isset($autofill_active) && 1 == $autofill_active && !empty($autofill_api) && wpinv_is_checkout()) {
+            if (wp_script_is('google-maps-api', 'enqueued')) {
+                wp_dequeue_script('google-maps-api');
             }
-            wp_enqueue_script( 'google-maps-api', 'https://maps.googleapis.com/maps/api/js?key=' . $autofill_api . '&libraries=places', array( 'jquery' ), '', false );
-            wp_enqueue_script( 'google-maps-init', WPINV_PLUGIN_URL . 'assets/js/gaaf.js', array( 'jquery', 'google-maps-api' ), '', true );
+            wp_enqueue_script('google-maps-api', 'https://maps.googleapis.com/maps/api/js?key=' . $autofill_api . '&libraries=places', array('jquery'), '', false);
+            wp_enqueue_script('google-maps-init', WPINV_PLUGIN_URL . 'assets/js/gaaf.js', array('jquery', 'google-maps-api'), '', true);
         }
 
-        wp_enqueue_style( "select2", WPINV_PLUGIN_URL . 'assets/css/select2/select2.css', array(), WPINV_VERSION, 'all' );
-        wp_enqueue_script('select2', WPINV_PLUGIN_URL . 'assets/js/select2/select2.full' . $suffix . '.js', array( 'jquery' ), WPINV_VERSION );
+        wp_enqueue_style("select2", WPINV_PLUGIN_URL . 'assets/css/select2/select2.css', array(), WPINV_VERSION, 'all');
+        wp_enqueue_script('select2', WPINV_PLUGIN_URL . 'assets/js/select2/select2.full' . $suffix . '.js', array('jquery'), WPINV_VERSION);
 
-        wp_enqueue_script( 'wpinv-front-script' );
-        wp_localize_script( 'wpinv-front-script', 'WPInv', $localize );
+        wp_enqueue_script('wpinv-front-script');
+        wp_localize_script('wpinv-front-script', 'WPInv', $localize);
 
-        $version = filemtime( WPINV_PLUGIN_DIR . 'assets/js/payment-forms.js' );
-        wp_enqueue_script( 'wpinv-payment-form-script', WPINV_PLUGIN_URL . 'assets/js/payment-forms.js', array( 'wpinv-front-script', 'wp-hooks' ),  $version, true );
+        $version = filemtime(WPINV_PLUGIN_DIR . 'assets/js/payment-forms.js');
+        wp_enqueue_script('wpinv-payment-form-script', WPINV_PLUGIN_URL . 'assets/js/payment-forms.js', array('wpinv-front-script', 'wp-hooks'), $version, true);
     }
 
-    public function admin_enqueue_scripts( $hook ) {
+    public function admin_enqueue_scripts($hook) {
         global $post, $pagenow;
         
         $post_type  = wpinv_admin_post_type();
-        $suffix     = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
-        $page       = isset( $_GET['page'] ) ? strtolower( $_GET['page'] ) : '';
+        $suffix     = defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ? '' : '.min';
+        $page       = isset($_GET['page']) ? strtolower($_GET['page']) : '';
 
         $jquery_ui_css = false;
-        if ( ( $post_type == 'wpi_invoice' || $post_type == 'wpi_quote' || $post_type == 'wpi_discount' ) && ( $pagenow == 'post-new.php' || $pagenow == 'post.php' ) ) {
+        if (($post_type == 'wpi_invoice' || $post_type == 'wpi_quote' || $post_type == 'wpi_discount') && ($pagenow == 'post-new.php' || $pagenow == 'post.php')) {
             $jquery_ui_css = true;
-        } else if ( $page == 'wpinv-settings' || $page == 'wpinv-reports' ) {
+        } else if ($page == 'wpinv-settings' || $page == 'wpinv-reports') {
             $jquery_ui_css = true;
         }
-        if ( $jquery_ui_css ) {
-            wp_register_style( 'jquery-ui-css', WPINV_PLUGIN_URL . 'assets/css/jquery-ui' . $suffix . '.css', array(), '1.8.16' );
-            wp_enqueue_style( 'jquery-ui-css' );
-            wp_deregister_style( 'yoast-seo-select2' );
-	        wp_deregister_style( 'yoast-seo-monorepo' );
+        if ($jquery_ui_css) {
+            wp_register_style('jquery-ui-css', WPINV_PLUGIN_URL . 'assets/css/jquery-ui' . $suffix . '.css', array(), '1.8.16');
+            wp_enqueue_style('jquery-ui-css');
+            wp_deregister_style('yoast-seo-select2');
+	        wp_deregister_style('yoast-seo-monorepo');
         }
 
-        wp_register_style( 'wpinv_meta_box_style', WPINV_PLUGIN_URL . 'assets/css/meta-box.css', array(), WPINV_VERSION );
-        wp_enqueue_style( 'wpinv_meta_box_style' );
+        wp_register_style('wpinv_meta_box_style', WPINV_PLUGIN_URL . 'assets/css/meta-box.css', array(), WPINV_VERSION);
+        wp_enqueue_style('wpinv_meta_box_style');
         
-        $version = filemtime( WPINV_PLUGIN_DIR . 'assets/css/admin.css' );
-        wp_register_style( 'wpinv_admin_style', WPINV_PLUGIN_URL . 'assets/css/admin.css', array(), $version );
-        wp_enqueue_style( 'wpinv_admin_style' );
+        $version = filemtime(WPINV_PLUGIN_DIR . 'assets/css/admin.css');
+        wp_register_style('wpinv_admin_style', WPINV_PLUGIN_URL . 'assets/css/admin.css', array(), $version);
+        wp_enqueue_style('wpinv_admin_style');
 
-        $enqueue = ( $post_type == 'wpi_discount' || $post_type == 'wpi_invoice' && ( $pagenow == 'post-new.php' || $pagenow == 'post.php' ) );
-        if ( $page == 'wpinv-subscriptions' ) {
-            wp_enqueue_script( 'jquery-ui-datepicker' );
-            wp_deregister_style( 'yoast-seo-select2' );
-	        wp_deregister_style( 'yoast-seo-monorepo' );
+        $enqueue = ($post_type == 'wpi_discount' || $post_type == 'wpi_invoice' && ($pagenow == 'post-new.php' || $pagenow == 'post.php'));
+        if ($page == 'wpinv-subscriptions') {
+            wp_enqueue_script('jquery-ui-datepicker');
+            wp_deregister_style('yoast-seo-select2');
+	        wp_deregister_style('yoast-seo-monorepo');
         }
         
-        if ( $enqueue_datepicker = apply_filters( 'wpinv_admin_enqueue_jquery_ui_datepicker', $enqueue ) ) {
-            wp_enqueue_script( 'jquery-ui-datepicker' );
+        if ($enqueue_datepicker = apply_filters('wpinv_admin_enqueue_jquery_ui_datepicker', $enqueue)) {
+            wp_enqueue_script('jquery-ui-datepicker');
         }
 
-        wp_enqueue_style( 'wp-color-picker' );
-        wp_enqueue_script( 'wp-color-picker' );
+        wp_enqueue_style('wp-color-picker');
+        wp_enqueue_script('wp-color-picker');
         
-        wp_register_script( 'jquery-blockui', WPINV_PLUGIN_URL . 'assets/js/jquery.blockUI.min.js', array( 'jquery' ), '2.70', true );
+        wp_register_script('jquery-blockui', WPINV_PLUGIN_URL . 'assets/js/jquery.blockUI.min.js', array('jquery'), '2.70', true);
 
         if (($post_type == 'wpi_invoice' || $post_type == 'wpi_quote') && ($pagenow == 'post-new.php' || $pagenow == 'post.php')) {
             $autofill_api = wpinv_get_option('address_autofill_api');
@@ -422,21 +422,21 @@ 
             }
         }
 
-        wp_enqueue_style( "select2", WPINV_PLUGIN_URL . 'assets/css/select2/select2.css', array(), WPINV_VERSION, 'all' );
-        wp_enqueue_script('select2', WPINV_PLUGIN_URL . 'assets/js/select2/select2.full' . $suffix . '.js', array( 'jquery' ), WPINV_VERSION );
+        wp_enqueue_style("select2", WPINV_PLUGIN_URL . 'assets/css/select2/select2.css', array(), WPINV_VERSION, 'all');
+        wp_enqueue_script('select2', WPINV_PLUGIN_URL . 'assets/js/select2/select2.full' . $suffix . '.js', array('jquery'), WPINV_VERSION);
 
-        $version = filemtime( WPINV_PLUGIN_DIR . 'assets/js/admin.js' );
-        wp_register_script( 'wpinv-admin-script', WPINV_PLUGIN_URL . 'assets/js/admin.js', array( 'jquery', 'jquery-blockui','jquery-ui-tooltip' ),  $version );
-        wp_enqueue_script( 'wpinv-admin-script' );
+        $version = filemtime(WPINV_PLUGIN_DIR . 'assets/js/admin.js');
+        wp_register_script('wpinv-admin-script', WPINV_PLUGIN_URL . 'assets/js/admin.js', array('jquery', 'jquery-blockui', 'jquery-ui-tooltip'), $version);
+        wp_enqueue_script('wpinv-admin-script');
         
         $localize                               = array();
-        $localize['ajax_url']                   = admin_url( 'admin-ajax.php' );
-        $localize['post_ID']                    = isset( $post->ID ) ? $post->ID : '';
-        $localize['wpinv_nonce']                = wp_create_nonce( 'wpinv-nonce' );
-        $localize['add_invoice_note_nonce']     = wp_create_nonce( 'add-invoice-note' );
-        $localize['delete_invoice_note_nonce']  = wp_create_nonce( 'delete-invoice-note' );
-        $localize['invoice_item_nonce']         = wp_create_nonce( 'invoice-item' );
-        $localize['billing_details_nonce']      = wp_create_nonce( 'get-billing-details' );
+        $localize['ajax_url']                   = admin_url('admin-ajax.php');
+        $localize['post_ID']                    = isset($post->ID) ? $post->ID : '';
+        $localize['wpinv_nonce']                = wp_create_nonce('wpinv-nonce');
+        $localize['add_invoice_note_nonce']     = wp_create_nonce('add-invoice-note');
+        $localize['delete_invoice_note_nonce']  = wp_create_nonce('delete-invoice-note');
+        $localize['invoice_item_nonce']         = wp_create_nonce('invoice-item');
+        $localize['billing_details_nonce']      = wp_create_nonce('get-billing-details');
         $localize['tax']                        = wpinv_tax_amount();
         $localize['discount']                   = wpinv_discount_amount();
         $localize['currency_symbol']            = wpinv_currency_symbol();
@@ -444,104 +444,104 @@ 
         $localize['thousand_sep']               = wpinv_thousands_separator();
         $localize['decimal_sep']                = wpinv_decimal_separator();
         $localize['decimals']                   = wpinv_decimals();
-        $localize['save_invoice']               = __( 'Save Invoice', 'invoicing' );
-        $localize['status_publish']             = wpinv_status_nicename( 'publish' );
-        $localize['status_pending']             = wpinv_status_nicename( 'wpi-pending' );
-        $localize['delete_tax_rate']            = __( 'Are you sure you wish to delete this tax rate?', 'invoicing' );
-        $localize['OneItemMin']                 = __( 'Invoice must contain at least one item', 'invoicing' );
-        $localize['DeleteInvoiceItem']          = __( 'Are you sure you wish to delete this item?', 'invoicing' );
-        $localize['FillBillingDetails']         = __( 'Fill the user\'s billing information? This will remove any currently entered billing information', 'invoicing' );
-        $localize['confirmCalcTotals']          = __( 'Recalculate totals? This will recalculate totals based on the user billing country. If no billing country is set it will use the base country.', 'invoicing' );
-        $localize['AreYouSure']                 = __( 'Are you sure?', 'invoicing' );
-        $localize['emptyInvoice']               = __( 'Add at least one item to save invoice!', 'invoicing' );
-        $localize['errDeleteItem']              = __( 'This item is in use! Before delete this item, you need to delete all the invoice(s) using this item.', 'invoicing' );
-        $localize['delete_subscription']        = __( 'Are you sure you want to delete this subscription?', 'invoicing' );
-        $localize['action_edit']                = __( 'Edit', 'invoicing' );
-        $localize['action_cancel']              = __( 'Cancel', 'invoicing' );
-        $localize['item_description']           = __( 'Item Description', 'invoicing' );
-        $localize['discount_description']       = __( 'Discount Description', 'invoicing' );
-        $localize['invoice_description']        = __( 'Invoice Description', 'invoicing' );
-        $localize['searching']                  = __( 'Searching', 'invoicing' );
-
-        $localize = apply_filters( 'wpinv_admin_js_localize', $localize );
-
-        wp_localize_script( 'wpinv-admin-script', 'WPInv_Admin', $localize );
+        $localize['save_invoice']               = __('Save Invoice', 'invoicing');
+        $localize['status_publish']             = wpinv_status_nicename('publish');
+        $localize['status_pending']             = wpinv_status_nicename('wpi-pending');
+        $localize['delete_tax_rate']            = __('Are you sure you wish to delete this tax rate?', 'invoicing');
+        $localize['OneItemMin']                 = __('Invoice must contain at least one item', 'invoicing');
+        $localize['DeleteInvoiceItem']          = __('Are you sure you wish to delete this item?', 'invoicing');
+        $localize['FillBillingDetails']         = __('Fill the user\'s billing information? This will remove any currently entered billing information', 'invoicing');
+        $localize['confirmCalcTotals']          = __('Recalculate totals? This will recalculate totals based on the user billing country. If no billing country is set it will use the base country.', 'invoicing');
+        $localize['AreYouSure']                 = __('Are you sure?', 'invoicing');
+        $localize['emptyInvoice']               = __('Add at least one item to save invoice!', 'invoicing');
+        $localize['errDeleteItem']              = __('This item is in use! Before delete this item, you need to delete all the invoice(s) using this item.', 'invoicing');
+        $localize['delete_subscription']        = __('Are you sure you want to delete this subscription?', 'invoicing');
+        $localize['action_edit']                = __('Edit', 'invoicing');
+        $localize['action_cancel']              = __('Cancel', 'invoicing');
+        $localize['item_description']           = __('Item Description', 'invoicing');
+        $localize['discount_description']       = __('Discount Description', 'invoicing');
+        $localize['invoice_description']        = __('Invoice Description', 'invoicing');
+        $localize['searching']                  = __('Searching', 'invoicing');
+
+        $localize = apply_filters('wpinv_admin_js_localize', $localize);
+
+        wp_localize_script('wpinv-admin-script', 'WPInv_Admin', $localize);
 
         // Load payment form scripts on our admin pages only.
-        if ( ( $hook == 'post-new.php' || $hook == 'post.php' ) && 'wpi_payment_form' === $post->post_type ) {
+        if (($hook == 'post-new.php' || $hook == 'post.php') && 'wpi_payment_form' === $post->post_type) {
 
-            wp_enqueue_script( 'vue', WPINV_PLUGIN_URL . 'assets/js/vue/vue.js', array(), WPINV_VERSION );
-            wp_enqueue_script( 'sortable', WPINV_PLUGIN_URL . 'assets/js/sortable.min.js', array(), WPINV_VERSION );
-            wp_enqueue_script( 'vue_draggable', WPINV_PLUGIN_URL . 'assets/js/vue/vuedraggable.min.js', array( 'sortable', 'vue' ), WPINV_VERSION );
+            wp_enqueue_script('vue', WPINV_PLUGIN_URL . 'assets/js/vue/vue.js', array(), WPINV_VERSION);
+            wp_enqueue_script('sortable', WPINV_PLUGIN_URL . 'assets/js/sortable.min.js', array(), WPINV_VERSION);
+            wp_enqueue_script('vue_draggable', WPINV_PLUGIN_URL . 'assets/js/vue/vuedraggable.min.js', array('sortable', 'vue'), WPINV_VERSION);
 
-            $version = filemtime( WPINV_PLUGIN_DIR . 'assets/js/admin-payment-forms.js' );
-            wp_register_script( 'wpinv-admin-payment-form-script', WPINV_PLUGIN_URL . 'assets/js/admin-payment-forms.js', array( 'wpinv-admin-script', 'vue_draggable' ),  $version );
+            $version = filemtime(WPINV_PLUGIN_DIR . 'assets/js/admin-payment-forms.js');
+            wp_register_script('wpinv-admin-payment-form-script', WPINV_PLUGIN_URL . 'assets/js/admin-payment-forms.js', array('wpinv-admin-script', 'vue_draggable'), $version);
         
-            wp_localize_script( 'wpinv-admin-payment-form-script', 'wpinvPaymentFormAdmin', array(
+            wp_localize_script('wpinv-admin-payment-form-script', 'wpinvPaymentFormAdmin', array(
                 'elements'      => $this->form_elements->get_elements(),
-                'form_elements' => $this->form_elements->get_form_elements( $post->ID ),
+                'form_elements' => $this->form_elements->get_form_elements($post->ID),
                 'all_items'     => $this->form_elements->get_published_items(),
                 'currency'      => wpinv_currency_symbol(),
                 'position'      => wpinv_currency_position(),
                 'decimals'      => (int) wpinv_decimals(),
                 'thousands_sep' => wpinv_thousands_separator(),
                 'decimals_sep'  => wpinv_decimal_separator(),
-                'form_items'    => $this->form_elements->get_form_items( $post->ID ),
+                'form_items'    => $this->form_elements->get_form_items($post->ID),
                 'is_default'    => $post->ID == $this->default_payment_form,
-            ) );
+            ));
 
-            wp_enqueue_script( 'wpinv-admin-payment-form-script' );
+            wp_enqueue_script('wpinv-admin-payment-form-script');
         }
 
-        if ( $page == 'wpinv-subscriptions' ) {
-            wp_register_script( 'wpinv-sub-admin-script', WPINV_PLUGIN_URL . 'assets/js/subscriptions.js', array( 'wpinv-admin-script' ),  WPINV_VERSION );
-            wp_enqueue_script( 'wpinv-sub-admin-script' );
+        if ($page == 'wpinv-subscriptions') {
+            wp_register_script('wpinv-sub-admin-script', WPINV_PLUGIN_URL . 'assets/js/subscriptions.js', array('wpinv-admin-script'), WPINV_VERSION);
+            wp_enqueue_script('wpinv-sub-admin-script');
         }
 
-        if ( $page == 'wpinv-reports' ) {
-            wp_enqueue_script( 'jquery-flot', WPINV_PLUGIN_URL . 'assets/js/jquery.flot.min.js', array( 'jquery' ), '0.7' );
+        if ($page == 'wpinv-reports') {
+            wp_enqueue_script('jquery-flot', WPINV_PLUGIN_URL . 'assets/js/jquery.flot.min.js', array('jquery'), '0.7');
         }
 
     }
 
-    public function admin_body_class( $classes ) {
+    public function admin_body_class($classes) {
         global $pagenow, $post, $current_screen;
         
-        if ( !empty( $current_screen->post_type ) && ( $current_screen->post_type == 'wpi_invoice' || $current_screen->post_type == 'wpi_payment_form' || $current_screen->post_type == 'wpi_quote' ) ) {
+        if (!empty($current_screen->post_type) && ($current_screen->post_type == 'wpi_invoice' || $current_screen->post_type == 'wpi_payment_form' || $current_screen->post_type == 'wpi_quote')) {
             $classes .= ' wpinv-cpt';
         }
         
-        $page = isset( $_GET['page'] ) ? strtolower( $_GET['page'] ) : false;
+        $page = isset($_GET['page']) ? strtolower($_GET['page']) : false;
 
-        $add_class = $page && $pagenow == 'admin.php' && strpos( $page, 'wpinv-' ) === 0 ? true : false;
-        if ( $add_class ) {
-            $classes .= ' wpi-' . wpinv_sanitize_key( $page );
+        $add_class = $page && $pagenow == 'admin.php' && strpos($page, 'wpinv-') === 0 ? true : false;
+        if ($add_class) {
+            $classes .= ' wpi-' . wpinv_sanitize_key($page);
         }
         
         $settings_class = array();
-        if ( $page == 'wpinv-settings' ) {
-            if ( !empty( $_REQUEST['tab'] ) ) {
-                $settings_class[] = sanitize_text_field( $_REQUEST['tab'] );
+        if ($page == 'wpinv-settings') {
+            if (!empty($_REQUEST['tab'])) {
+                $settings_class[] = sanitize_text_field($_REQUEST['tab']);
             }
             
-            if ( !empty( $_REQUEST['section'] ) ) {
-                $settings_class[] = sanitize_text_field( $_REQUEST['section'] );
+            if (!empty($_REQUEST['section'])) {
+                $settings_class[] = sanitize_text_field($_REQUEST['section']);
             }
             
-            $settings_class[] = isset( $_REQUEST['wpi_sub'] ) && $_REQUEST['wpi_sub'] !== '' ? sanitize_text_field( $_REQUEST['wpi_sub'] ) : 'main';
+            $settings_class[] = isset($_REQUEST['wpi_sub']) && $_REQUEST['wpi_sub'] !== '' ? sanitize_text_field($_REQUEST['wpi_sub']) : 'main';
         }
         
-        if ( !empty( $settings_class ) ) {
-            $classes .= ' wpi-' . wpinv_sanitize_key( implode( $settings_class, '-' ) );
+        if (!empty($settings_class)) {
+            $classes .= ' wpi-' . wpinv_sanitize_key(implode($settings_class, '-'));
         }
         
         $post_type = wpinv_admin_post_type();
 
-        if ( $post_type == 'wpi_invoice' || $post_type == 'wpi_quote' || $add_class !== false ) {
+        if ($post_type == 'wpi_invoice' || $post_type == 'wpi_quote' || $add_class !== false) {
             return $classes .= ' wpinv';
         }
         
-        if ( $pagenow == 'post.php' && $post_type == 'wpi_item' && !empty( $post ) && !wpinv_item_is_editable( $post ) ) {
+        if ($pagenow == 'post.php' && $post_type == 'wpi_item' && !empty($post) && !wpinv_item_is_editable($post)) {
             $classes .= ' wpi-editable-n';
         }
 
@@ -553,21 +553,21 @@ 
     }
     
     public function wpinv_actions() {
-        if ( isset( $_REQUEST['wpi_action'] ) ) {
-            do_action( 'wpinv_' . wpinv_sanitize_key( $_REQUEST['wpi_action'] ), $_REQUEST );
+        if (isset($_REQUEST['wpi_action'])) {
+            do_action('wpinv_' . wpinv_sanitize_key($_REQUEST['wpi_action']), $_REQUEST);
         }
     }
     
-    public function pre_get_posts( $wp_query ) {
-        if ( !empty( $wp_query->query_vars['post_type'] ) && $wp_query->query_vars['post_type'] == 'wpi_invoice' && is_user_logged_in() && is_single() && $wp_query->is_main_query() ) {
-            $wp_query->query_vars['post_status'] = array_keys( wpinv_get_invoice_statuses() );
+    public function pre_get_posts($wp_query) {
+        if (!empty($wp_query->query_vars['post_type']) && $wp_query->query_vars['post_type'] == 'wpi_invoice' && is_user_logged_in() && is_single() && $wp_query->is_main_query()) {
+            $wp_query->query_vars['post_status'] = array_keys(wpinv_get_invoice_statuses());
         }
         
         return $wp_query;
     }
     
     public function bp_invoicing_init() {
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-bp-core.php' );
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-bp-core.php');
     }
 
 	/**
@@ -575,13 +575,13 @@ 
 	 *
 	 */
 	public function register_widgets() {
-		register_widget( "WPInv_Checkout_Widget" );
-		register_widget( "WPInv_History_Widget" );
-		register_widget( "WPInv_Receipt_Widget" );
-		register_widget( "WPInv_Subscriptions_Widget" );
-		register_widget( "WPInv_Buy_Item_Widget" );
-        register_widget( "WPInv_Messages_Widget" );
-        register_widget( 'WPInv_GetPaid_Widget' );
+		register_widget("WPInv_Checkout_Widget");
+		register_widget("WPInv_History_Widget");
+		register_widget("WPInv_Receipt_Widget");
+		register_widget("WPInv_Subscriptions_Widget");
+		register_widget("WPInv_Buy_Item_Widget");
+        register_widget("WPInv_Messages_Widget");
+        register_widget('WPInv_GetPaid_Widget');
 	}
     
     /**
@@ -590,10 +590,10 @@ 
      * @since 1.0.19
      * @param int[] $excluded_posts_ids
      */
-    public function wpseo_exclude_from_sitemap_by_post_ids( $excluded_posts_ids ){
+    public function wpseo_exclude_from_sitemap_by_post_ids($excluded_posts_ids) {
 
         // Ensure that we have an array.
-        if ( ! is_array( $excluded_posts_ids ) ) {
+        if (!is_array($excluded_posts_ids)) {
             $excluded_posts_ids = array();
         }
 
@@ -601,24 +601,24 @@ 
         $our_pages = array();
     
         // Checkout page.
-        $our_pages[] = wpinv_get_option( 'checkout_page', false );
+        $our_pages[] = wpinv_get_option('checkout_page', false);
 
         // Success page.
-        $our_pages[] = wpinv_get_option( 'success_page', false );
+        $our_pages[] = wpinv_get_option('success_page', false);
 
         // Failure page.
-        $our_pages[] = wpinv_get_option( 'failure_page', false );
+        $our_pages[] = wpinv_get_option('failure_page', false);
 
         // History page.
-        $our_pages[] = wpinv_get_option( 'invoice_history_page', false );
+        $our_pages[] = wpinv_get_option('invoice_history_page', false);
 
         // Subscriptions page.
-        $our_pages[] = wpinv_get_option( 'invoice_subscription_page', false );
+        $our_pages[] = wpinv_get_option('invoice_subscription_page', false);
 
-        $our_pages   = array_map( 'intval', array_filter( $our_pages ) );
+        $our_pages   = array_map('intval', array_filter($our_pages));
 
         $excluded_posts_ids = $excluded_posts_ids + $our_pages;
-        return array_unique( $excluded_posts_ids );
+        return array_unique($excluded_posts_ids);
 
     }
 

includes/class-getpaid-form-item.php

Indentation +293 added lines, -293 removed lines

@@ -1,6 +1,6 @@ 
 <?php
 if ( ! defined( 'ABSPATH' ) ) {
-	exit;
+    exit;
 }
 
 /**
@@ -10,53 +10,53 @@ 
 class GetPaid_Form_Item  extends WPInv_Item {
 
     /**
-	 * Stores a custom description for the item.
-	 *
-	 * @var string
-	 */
-	protected $custom_description = '';
-
-	/**
-	 * Stores the item quantity.
-	 *
-	 * @var int
-	 */
-	protected $quantity = 1;
-
-	/**
-	 * Is this item required?
-	 *
-	 * @var int
-	 */
-	protected $is_required = true;
-
-	/**
-	 * Are quantities allowed?
-	 *
-	 * @var int
-	 */
-	protected $allow_quantities = false;
-
-	/**
-	 * Associated invoice.
-	 *
-	 * @var int
-	 */
-	public $invoice_id = 0;
-
-	/**
-	 * Item discount.
-	 *
-	 * @var float
-	 */
-	public $item_discount = 0;
-
-	/**
-	 * Item tax.
-	 *
-	 * @var float
-	 */
-	public $item_tax = 0;
+     * Stores a custom description for the item.
+     *
+     * @var string
+     */
+    protected $custom_description = '';
+
+    /**
+     * Stores the item quantity.
+     *
+     * @var int
+     */
+    protected $quantity = 1;
+
+    /**
+     * Is this item required?
+     *
+     * @var int
+     */
+    protected $is_required = true;
+
+    /**
+     * Are quantities allowed?
+     *
+     * @var int
+     */
+    protected $allow_quantities = false;
+
+    /**
+     * Associated invoice.
+     *
+     * @var int
+     */
+    public $invoice_id = 0;
+
+    /**
+     * Item discount.
+     *
+     * @var float
+     */
+    public $item_discount = 0;
+
+    /**
+     * Item tax.
+     *
+     * @var float
+     */
+    public $item_tax = 0;
 
     /*
 	|--------------------------------------------------------------------------
@@ -74,189 +74,189 @@ 
     */
 
     /**
-	 * Get the item name.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_name( $context = 'view' ) {
-		$name = parent::get_name( $context );
-		return $name . wpinv_get_item_suffix( $this );
-	}
-
-	/**
-	 * Get the item description.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_description( $context = 'view' ) {
-
-		if ( ! empty( $this->custom_description ) ) {
-			return $this->custom_description;
-		}
-
-		return parent::get_description( $context );
-	}
-
-	/**
-	 * Returns the sub total.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_sub_total( $context = 'view' ) {
-		return $this->get_quantity( $context ) * $this->get_initial_price( $context );
-	}
-
-	/**
-	 * Returns the recurring sub total.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_recurring_sub_total( $context = 'view' ) {
-		return $this->get_quantity( $context ) * $this->get_price( $context );
-	}
-
-	/**
-	 * @deprecated
-	 */
-	public function get_qantity( $context = 'view' ) {
-		return $this->get_quantity( $context );
-	}
-
-	/**
-	 * Get the item quantity.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_quantity( $context = 'view' ) {
-		$quantity = (int) $this->quantity;
-
-		if ( empty( $quantity ) || 1 > $quantity ) {
-			$quantity = 1;
-		}
-
-		if ( 'view' == $context ) {
-			return apply_filters( 'getpaid_payment_form_item_quanity', $quantity, $this );
-		}
-
-		return $quantity;
-
-	}
-
-	/**
-	 * Returns whether or not customers can update the item quantity.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return bool
-	 */
-	public function get_allow_quantities( $context = 'view' ) {
-		$allow_quantities = (bool) $this->allow_quantities;
-
-		if ( 'view' == $context ) {
-			return apply_filters( 'getpaid_payment_form_item_allow_quantities', $allow_quantities, $this );
-		}
-
-		return $allow_quantities;
-
-	}
-
-	/**
-	 * Returns whether or not the item is required.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return bool
-	 */
-	public function get_is_required( $context = 'view' ) {
-		$is_required = (bool) $this->is_required;
-
-		if ( 'view' == $context ) {
-			return apply_filters( 'getpaid_payment_form_item_is_required', $is_required, $this );
-		}
-
-		return $is_required;
-
-	}
-
-	/**
-	 * Prepares form data for use.
-	 *
-	 * @since 1.0.19
-	 * @return array
-	 */
-	public function prepare_data_for_use() {
-
-		return array(
-			'title'            => sanitize_text_field( $this->get_name() ),
-			'id'               => $this->get_id(),
-			'price'            => $this->get_price(),
-			'recurring'        => $this->is_recurring(),
-			'description'      => $this->get_description(),
-			'allow_quantities' => $this->allows_quantities(),
-			'required'         => $this->is_required(),
-		);
-
-	}
-
-	/**
-	 * Prepares form data for ajax use.
-	 *
-	 * @since 1.0.19
-	 * @return array
-	 */
-	public function prepare_data_for_invoice_edit_ajax() {
-
-		return array(
-			'id'     => $this->get_id(),
-			'texts'  => array(
-				'item-name'        => sanitize_text_field( $this->get_name() ),
-				'item-description' => wp_kses_post( $this->get_description() ),
-				'item-quantity'    => absint( $this->get_quantity() ),
-				'item-price'       => wpinv_price( $this->get_price() ),
-				'item-total'       => wpinv_price( $this->get_sub_total() ),
-			),
-			'inputs' => array(
-				'item-id'          => $this->get_id(),
-				'item-name'        => sanitize_text_field( $this->get_name() ),
-				'item-description' => wp_kses_post( $this->get_description() ),
-				'item-quantity'    => absint( $this->get_quantity() ),
-				'item-price'       => $this->get_price(),
-			)
-		);
-
-	}
-
-	/**
-	 * Prepares form data for saving (cart_details).
-	 *
-	 * @since 1.0.19
-	 * @return array
-	 */
-	public function prepare_data_for_saving() {
-
-		return array(
-			'post_id'           => $this->invoice_id,
-			'item_id'           => $this->get_id(),
-			'item_name'         => sanitize_text_field( $this->get_name() ),
-			'item_description'  => $this->get_description(),
-			'tax'               => $this->item_tax,
-			'item_price'        => $this->get_price(),
-			'quantity'          => (int) $this->get_quantity(),
-			'discount'          => $this->item_discount,
-			'subtotal'          => $this->get_sub_total(),
-			'price'             => $this->get_sub_total() + $this->item_tax + $this->item_discount
+     * Get the item name.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_name( $context = 'view' ) {
+        $name = parent::get_name( $context );
+        return $name . wpinv_get_item_suffix( $this );
+    }
+
+    /**
+     * Get the item description.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_description( $context = 'view' ) {
+
+        if ( ! empty( $this->custom_description ) ) {
+            return $this->custom_description;
+        }
+
+        return parent::get_description( $context );
+    }
+
+    /**
+     * Returns the sub total.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_sub_total( $context = 'view' ) {
+        return $this->get_quantity( $context ) * $this->get_initial_price( $context );
+    }
+
+    /**
+     * Returns the recurring sub total.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_recurring_sub_total( $context = 'view' ) {
+        return $this->get_quantity( $context ) * $this->get_price( $context );
+    }
+
+    /**
+     * @deprecated
+     */
+    public function get_qantity( $context = 'view' ) {
+        return $this->get_quantity( $context );
+    }
+
+    /**
+     * Get the item quantity.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_quantity( $context = 'view' ) {
+        $quantity = (int) $this->quantity;
+
+        if ( empty( $quantity ) || 1 > $quantity ) {
+            $quantity = 1;
+        }
+
+        if ( 'view' == $context ) {
+            return apply_filters( 'getpaid_payment_form_item_quanity', $quantity, $this );
+        }
+
+        return $quantity;
+
+    }
+
+    /**
+     * Returns whether or not customers can update the item quantity.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return bool
+     */
+    public function get_allow_quantities( $context = 'view' ) {
+        $allow_quantities = (bool) $this->allow_quantities;
+
+        if ( 'view' == $context ) {
+            return apply_filters( 'getpaid_payment_form_item_allow_quantities', $allow_quantities, $this );
+        }
+
+        return $allow_quantities;
+
+    }
+
+    /**
+     * Returns whether or not the item is required.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return bool
+     */
+    public function get_is_required( $context = 'view' ) {
+        $is_required = (bool) $this->is_required;
+
+        if ( 'view' == $context ) {
+            return apply_filters( 'getpaid_payment_form_item_is_required', $is_required, $this );
+        }
+
+        return $is_required;
+
+    }
+
+    /**
+     * Prepares form data for use.
+     *
+     * @since 1.0.19
+     * @return array
+     */
+    public function prepare_data_for_use() {
+
+        return array(
+            'title'            => sanitize_text_field( $this->get_name() ),
+            'id'               => $this->get_id(),
+            'price'            => $this->get_price(),
+            'recurring'        => $this->is_recurring(),
+            'description'      => $this->get_description(),
+            'allow_quantities' => $this->allows_quantities(),
+            'required'         => $this->is_required(),
+        );
+
+    }
+
+    /**
+     * Prepares form data for ajax use.
+     *
+     * @since 1.0.19
+     * @return array
+     */
+    public function prepare_data_for_invoice_edit_ajax() {
+
+        return array(
+            'id'     => $this->get_id(),
+            'texts'  => array(
+                'item-name'        => sanitize_text_field( $this->get_name() ),
+                'item-description' => wp_kses_post( $this->get_description() ),
+                'item-quantity'    => absint( $this->get_quantity() ),
+                'item-price'       => wpinv_price( $this->get_price() ),
+                'item-total'       => wpinv_price( $this->get_sub_total() ),
+            ),
+            'inputs' => array(
+                'item-id'          => $this->get_id(),
+                'item-name'        => sanitize_text_field( $this->get_name() ),
+                'item-description' => wp_kses_post( $this->get_description() ),
+                'item-quantity'    => absint( $this->get_quantity() ),
+                'item-price'       => $this->get_price(),
+            )
+        );
+
+    }
+
+    /**
+     * Prepares form data for saving (cart_details).
+     *
+     * @since 1.0.19
+     * @return array
+     */
+    public function prepare_data_for_saving() {
+
+        return array(
+            'post_id'           => $this->invoice_id,
+            'item_id'           => $this->get_id(),
+            'item_name'         => sanitize_text_field( $this->get_name() ),
+            'item_description'  => $this->get_description(),
+            'tax'               => $this->item_tax,
+            'item_price'        => $this->get_price(),
+            'quantity'          => (int) $this->get_quantity(),
+            'discount'          => $this->item_discount,
+            'subtotal'          => $this->get_sub_total(),
+            'price'             => $this->get_sub_total() + $this->item_tax + $this->item_discount
         );
-	}
+    }
 
     /*
 	|--------------------------------------------------------------------------
@@ -268,60 +268,60 @@ 
 	| object.
     */
 
-	/**
-	 * Set the item qantity.
-	 *
-	 * @since 1.0.19
-	 * @param  int $quantity The item quantity.
-	 */
-	public function set_quantity( $quantity ) {
-
-		if ( empty( $quantity ) || ! is_numeric( $quantity ) ) {
-			$quantity = 1;
-		}
-
-		$this->quantity = $quantity;
-
-	}
-
-	/**
-	 * Set whether or not the quantities are allowed.
-	 *
-	 * @since 1.0.19
-	 * @param  bool $allow_quantities
-	 */
-	public function set_allow_quantities( $allow_quantities ) {
-		$this->allow_quantities = (bool) $allow_quantities;
-	}
-
-	/**
-	 * Set whether or not the item is required.
-	 *
-	 * @since 1.0.19
-	 * @param  bool $is_required
-	 */
-	public function set_is_required( $is_required ) {
-		$this->is_required = (bool) $is_required;
-	}
-
-	/**
-	 * Sets the custom item description.
-	 *
-	 * @since 1.0.19
-	 * @param  string $description
-	 */
-	public function set_custom_description( $description ) {
-		$this->custom_description = $description;
-	}
+    /**
+     * Set the item qantity.
+     *
+     * @since 1.0.19
+     * @param  int $quantity The item quantity.
+     */
+    public function set_quantity( $quantity ) {
+
+        if ( empty( $quantity ) || ! is_numeric( $quantity ) ) {
+            $quantity = 1;
+        }
+
+        $this->quantity = $quantity;
+
+    }
+
+    /**
+     * Set whether or not the quantities are allowed.
+     *
+     * @since 1.0.19
+     * @param  bool $allow_quantities
+     */
+    public function set_allow_quantities( $allow_quantities ) {
+        $this->allow_quantities = (bool) $allow_quantities;
+    }
+
+    /**
+     * Set whether or not the item is required.
+     *
+     * @since 1.0.19
+     * @param  bool $is_required
+     */
+    public function set_is_required( $is_required ) {
+        $this->is_required = (bool) $is_required;
+    }
+
+    /**
+     * Sets the custom item description.
+     *
+     * @since 1.0.19
+     * @param  string $description
+     */
+    public function set_custom_description( $description ) {
+        $this->custom_description = $description;
+    }
 
     /**
      * We do not want to save items to the database.
      * 
-	 * @return int item id
+     * @return int item id
      */
     public function save( $data = array() ) {
         return $this->get_id();
-	}
+    }
 
     /*
 	|--------------------------------------------------------------------------
@@ -333,23 +333,23 @@ 
 	*/
 
     /**
-	 * Checks whether the item has enabled dynamic pricing.
-	 *
-	 * @since 1.0.19
-	 * @return bool
-	 */
-	public function is_required() {
+     * Checks whether the item has enabled dynamic pricing.
+     *
+     * @since 1.0.19
+     * @return bool
+     */
+    public function is_required() {
         return (bool) $this->get_is_required();
-	}
-
-	/**
-	 * Checks whether users can edit the quantities.
-	 *
-	 * @since 1.0.19
-	 * @return bool
-	 */
-	public function allows_quantities() {
+    }
+
+    /**
+     * Checks whether users can edit the quantities.
+     *
+     * @since 1.0.19
+     * @return bool
+     */
+    public function allows_quantities() {
         return (bool) $this->get_allow_quantities();
-	}
+    }
 
 }

Spacing +39 added lines, -39 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
 	exit;
 }
 
@@ -80,9 +80,9 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_name( $context = 'view' ) {
-		$name = parent::get_name( $context );
-		return $name . wpinv_get_item_suffix( $this );
+	public function get_name($context = 'view') {
+		$name = parent::get_name($context);
+		return $name . wpinv_get_item_suffix($this);
 	}
 
 	/**
@@ -92,13 +92,13 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_description( $context = 'view' ) {
+	public function get_description($context = 'view') {
 
-		if ( ! empty( $this->custom_description ) ) {
+		if (!empty($this->custom_description)) {
 			return $this->custom_description;
 		}
 
-		return parent::get_description( $context );
+		return parent::get_description($context);
 	}
 
 	/**
@@ -108,8 +108,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_sub_total( $context = 'view' ) {
-		return $this->get_quantity( $context ) * $this->get_initial_price( $context );
+	public function get_sub_total($context = 'view') {
+		return $this->get_quantity($context) * $this->get_initial_price($context);
 	}
 
 	/**
@@ -119,15 +119,15 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_recurring_sub_total( $context = 'view' ) {
-		return $this->get_quantity( $context ) * $this->get_price( $context );
+	public function get_recurring_sub_total($context = 'view') {
+		return $this->get_quantity($context) * $this->get_price($context);
 	}
 
 	/**
 	 * @deprecated
 	 */
-	public function get_qantity( $context = 'view' ) {
-		return $this->get_quantity( $context );
+	public function get_qantity($context = 'view') {
+		return $this->get_quantity($context);
 	}
 
 	/**
@@ -137,15 +137,15 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_quantity( $context = 'view' ) {
+	public function get_quantity($context = 'view') {
 		$quantity = (int) $this->quantity;
 
-		if ( empty( $quantity ) || 1 > $quantity ) {
+		if (empty($quantity) || 1 > $quantity) {
 			$quantity = 1;
 		}
 
-		if ( 'view' == $context ) {
-			return apply_filters( 'getpaid_payment_form_item_quanity', $quantity, $this );
+		if ('view' == $context) {
+			return apply_filters('getpaid_payment_form_item_quanity', $quantity, $this);
 		}
 
 		return $quantity;
@@ -159,11 +159,11 @@ 
 	 * @param  string $context View or edit context.
 	 * @return bool
 	 */
-	public function get_allow_quantities( $context = 'view' ) {
+	public function get_allow_quantities($context = 'view') {
 		$allow_quantities = (bool) $this->allow_quantities;
 
-		if ( 'view' == $context ) {
-			return apply_filters( 'getpaid_payment_form_item_allow_quantities', $allow_quantities, $this );
+		if ('view' == $context) {
+			return apply_filters('getpaid_payment_form_item_allow_quantities', $allow_quantities, $this);
 		}
 
 		return $allow_quantities;
@@ -177,11 +177,11 @@ 
 	 * @param  string $context View or edit context.
 	 * @return bool
 	 */
-	public function get_is_required( $context = 'view' ) {
+	public function get_is_required($context = 'view') {
 		$is_required = (bool) $this->is_required;
 
-		if ( 'view' == $context ) {
-			return apply_filters( 'getpaid_payment_form_item_is_required', $is_required, $this );
+		if ('view' == $context) {
+			return apply_filters('getpaid_payment_form_item_is_required', $is_required, $this);
 		}
 
 		return $is_required;
@@ -197,7 +197,7 @@ 
 	public function prepare_data_for_use() {
 
 		return array(
-			'title'            => sanitize_text_field( $this->get_name() ),
+			'title'            => sanitize_text_field($this->get_name()),
 			'id'               => $this->get_id(),
 			'price'            => $this->get_price(),
 			'recurring'        => $this->is_recurring(),
@@ -219,17 +219,17 @@ 
 		return array(
 			'id'     => $this->get_id(),
 			'texts'  => array(
-				'item-name'        => sanitize_text_field( $this->get_name() ),
-				'item-description' => wp_kses_post( $this->get_description() ),
-				'item-quantity'    => absint( $this->get_quantity() ),
-				'item-price'       => wpinv_price( $this->get_price() ),
-				'item-total'       => wpinv_price( $this->get_sub_total() ),
+				'item-name'        => sanitize_text_field($this->get_name()),
+				'item-description' => wp_kses_post($this->get_description()),
+				'item-quantity'    => absint($this->get_quantity()),
+				'item-price'       => wpinv_price($this->get_price()),
+				'item-total'       => wpinv_price($this->get_sub_total()),
 			),
 			'inputs' => array(
 				'item-id'          => $this->get_id(),
-				'item-name'        => sanitize_text_field( $this->get_name() ),
-				'item-description' => wp_kses_post( $this->get_description() ),
-				'item-quantity'    => absint( $this->get_quantity() ),
+				'item-name'        => sanitize_text_field($this->get_name()),
+				'item-description' => wp_kses_post($this->get_description()),
+				'item-quantity'    => absint($this->get_quantity()),
 				'item-price'       => $this->get_price(),
 			)
 		);
@@ -247,7 +247,7 @@ 
 		return array(
 			'post_id'           => $this->invoice_id,
 			'item_id'           => $this->get_id(),
-			'item_name'         => sanitize_text_field( $this->get_name() ),
+			'item_name'         => sanitize_text_field($this->get_name()),
 			'item_description'  => $this->get_description(),
 			'tax'               => $this->item_tax,
 			'item_price'        => $this->get_price(),
@@ -274,9 +274,9 @@ 
 	 * @since 1.0.19
 	 * @param  int $quantity The item quantity.
 	 */
-	public function set_quantity( $quantity ) {
+	public function set_quantity($quantity) {
 
-		if ( empty( $quantity ) || ! is_numeric( $quantity ) ) {
+		if (empty($quantity) || !is_numeric($quantity)) {
 			$quantity = 1;
 		}
 
@@ -290,7 +290,7 @@ 
 	 * @since 1.0.19
 	 * @param  bool $allow_quantities
 	 */
-	public function set_allow_quantities( $allow_quantities ) {
+	public function set_allow_quantities($allow_quantities) {
 		$this->allow_quantities = (bool) $allow_quantities;
 	}
 
@@ -300,7 +300,7 @@ 
 	 * @since 1.0.19
 	 * @param  bool $is_required
 	 */
-	public function set_is_required( $is_required ) {
+	public function set_is_required($is_required) {
 		$this->is_required = (bool) $is_required;
 	}
 
@@ -310,7 +310,7 @@ 
 	 * @since 1.0.19
 	 * @param  string $description
 	 */
-	public function set_custom_description( $description ) {
+	public function set_custom_description($description) {
 		$this->custom_description = $description;
 	}
 
@@ -319,7 +319,7 @@ 
      * 
 	 * @return int item id
      */
-    public function save( $data = array() ) {
+    public function save($data = array()) {
         return $this->get_id();
 	}
 

includes/class-wpinv-invoice.php

Indentation +2067 added lines, -2067 removed lines

@@ -11,30 +11,30 @@ 
 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,
@@ -76,20 +76,20 @@ 
         'transaction_id'       => '',
         'currency'             => '',
         'disable_taxes'        => 0,
-		'subscription_id'      => null,
-		'is_viewed'            => false,
-		'email_cc'             => '',
-		'template'             => 'quantity', // hours, amount only
+        'subscription_id'      => null,
+        'is_viewed'            => false,
+        'email_cc'             => '',
+        'template'             => 'quantity', // hours, amount only
     );
 
     /**
-	 * 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
@@ -103,97 +103,97 @@ 
      *
      * @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, 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, number or object to read.
+     */
     public function __construct( $invoice = false ) {
 
         parent::__construct( $invoice );
 
-		if ( 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_discount_id_by_code( $invoice, 'key' ) ) {
-			$this->set_id( $invoice_id );
-		} elseif ( is_scalar( $invoice ) && $invoice_id = self::get_discount_id_by_code( $invoice, 'number' ) ) {
-			$this->set_id( $invoice_id );
-		} else {
-			$this->set_object_read( true );
-		}
+        if ( 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_discount_id_by_code( $invoice, 'key' ) ) {
+            $this->set_id( $invoice_id );
+        } elseif ( is_scalar( $invoice ) && $invoice_id = self::get_discount_id_by_code( $invoice, 'number' ) ) {
+            $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 a discount code, it returns a discount id.
-	 *
-	 *
-	 * @static
-	 * @param string $discount_code
-	 * @since 1.0.15
-	 * @return int
-	 */
-	public static function get_discount_id_by_code( $invoice_key_or_number, $field = 'key' ) {
+     * Given a discount code, it returns a discount id.
+     *
+     *
+     * @static
+     * @param string $discount_code
+     * @since 1.0.15
+     * @return int
+     */
+    public static function get_discount_id_by_code( $invoice_key_or_number, $field = 'key' ) {
         global $wpdb;
 
-		// Trim the code.
+        // Trim the code.
         $key = trim( $invoice_key_or_number );
 
         // Valid fields.
         $fields = array( 'key', 'number' );
 
-		// Ensure a value has been passed.
-		if ( empty( $key ) || ! in_array( $field, $fields ) ) {
-			return 0;
-		}
+        // Ensure a value has been passed.
+        if ( empty( $key ) || ! in_array( $field, $fields ) ) {
+            return 0;
+        }
 
-		// Maybe retrieve from the cache.
-		$invoice_id   = wp_cache_get( $key, 'getpaid_invoice_keys_' . $field );
-		if ( ! empty( $invoice_id ) ) {
-			return $invoice_id;
-		}
+        // Maybe retrieve from the cache.
+        $invoice_id   = wp_cache_get( $key, 'getpaid_invoice_keys_' . $field );
+        if ( ! empty( $invoice_id ) ) {
+            return $invoice_id;
+        }
 
         // Fetch from the db.
         $table       = $wpdb->prefix . 'getpaid_invoices';
@@ -201,14 +201,14 @@ 
             $wpdb->prepare( "SELECT `post_id` FROM $table WHERE $field=%s LIMIT 1", $key )
         );
 
-		if ( empty( $invoice_id ) ) {
-			return 0;
-		}
+        if ( empty( $invoice_id ) ) {
+            return 0;
+        }
 
-		// Update the cache with our data
-		wp_cache_set( $key, $invoice_id, 'getpaid_invoice_keys_' . $field );
+        // Update the cache with our data
+        wp_cache_set( $key, $invoice_id, 'getpaid_invoice_keys_' . $field );
 
-		return $invoice_id;
+        return $invoice_id;
     }
 
     /**
@@ -234,53 +234,53 @@ 
     */
 
     /**
-	 * 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 );
     }
 
     /**
-	 * 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 = wpinv_get_invoice_statuses( true, true, $this );
 
@@ -294,20 +294,20 @@ 
     }
 
     /**
-	 * 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( $formatted = true ) {
+    /**
+     * @deprecated
+     */
+    public function get_invoice_date( $formatted = true ) {
         $date_completed = $this->get_date_completed();
         $invoice_date   = $date_completed != '0000-00-00 00:00:00' ? $date_completed : '';
 
@@ -324,187 +324,187 @@ 
     }
 
     /**
-	 * 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' ) {
+     * 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 ) ) {
@@ -512,17 +512,17 @@ 
             $this->set_number( $number );
         }
 
-		return $number;
+        return $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' ) {
         $key = $this->get_prop( 'key', $context );
 
         if ( empty( $key ) ) {
@@ -530,24 +530,24 @@ 
             $this->set_key( $key );
         }
 
-		return $key;
+        return $key;
     }
 
     /**
-	 * 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( $post_id ) {
+    /**
+     * @deprecated
+     */
+    public function get_invoice_quote_type( $post_id ) {
         if ( empty( $post_id ) ) {
             return '';
         }
@@ -564,35 +564,35 @@ 
     }
 
     /**
-	 * 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 );
 
         if ( empty( $path ) ) {
@@ -600,73 +600,73 @@ 
             $path   = sanitize_title( $prefix . $this->get_id() );
         }
 
-		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' ) {
         $name = $this->get_prop( 'title', $context );
 
-		return empty( $name ) ? $this->get_number( $context ) : $name;
+        return empty( $name ) ? $this->get_number( $context ) : $name;
     }
 
     /**
-	 * 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(
             'user_id'    => $this->get_user_id( $context ),
@@ -687,598 +687,598 @@ 
     }
 
     /**
-	 * 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 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_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 );
+        /**
+         * 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 );
     }
 
     /**
-	 * 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 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_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 );
+        /**
+         * 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'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 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_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_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_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_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 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 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_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_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_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_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 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 ) );
+     * 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_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_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_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_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 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 );
+     * 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_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_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_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_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_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_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 );
+     * 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 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_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 );
+     * 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;
+     * 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_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_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 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;
+     * 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_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_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_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_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 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 );
+     * 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_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_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_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 );
+     * 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 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 );
+     * 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_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_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_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_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 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 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 );
     }
 
     /**
-	 * 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_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_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_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 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 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 );
     }
 
     /**
-	 * 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_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_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_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 );
     }
 
     /**
-	 * 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 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_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 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_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_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 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 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.
@@ -1290,155 +1290,155 @@ 
     }
 
     /**
-	 * 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 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] );
@@ -1448,145 +1448,145 @@ 
     }
 
     /**
-	 * 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->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' ) {
         $subscription_id = $this->get_prop( 'subscription_id', $context );
 
@@ -1599,12 +1599,12 @@ 
     }
 
     /**
-	 * 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(
@@ -1624,11 +1624,11 @@ 
     }
 
     /**
-	 * 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();
@@ -1638,16 +1638,16 @@ 
         }
 
         return $cart_details;
-	}
+    }
 
-	/**
-	 * Retrieves the recurring item.
-	 *
-	 * @return null|GetPaid_Form_Item
-	 */
-	public function get_recurring( $object = false ) {
+    /**
+     * Retrieves the recurring item.
+     *
+     * @return null|GetPaid_Form_Item
+     */
+    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 );
         }
@@ -1655,58 +1655,58 @@ 
         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 );
         }
@@ -1715,18 +1715,18 @@ 
     }
 
     /**
-	 * 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 );
-	}
+    }
 
     /*
 	|--------------------------------------------------------------------------
@@ -1739,118 +1739,118 @@ 
     */
 
     /**
-	 * 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();
-
-		$this->set_prop( 'status', $new_status );
-
-		// 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, wpinv_get_invoice_statuses( false, true ) ) ) {
-				$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, wpinv_get_invoice_statuses( false, true ) ) ) {
-				$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 ( $manual_update ) {
-				do_action( 'getpaid_' . $this->object_type .'_edit_status', $this->get_id(), $new_status );
-			}
-
-			$this->maybe_set_date_paid();
-
-		}
-
-		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() {
-
-		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() || ! get_post( $value ) ) ) {
-			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 date when the invoice was created.
-	 *
-	 * @since 1.0.19
-	 * @param string $value Value to set.
+    }
+
+    /**
+     * 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();
+
+        $this->set_prop( 'status', $new_status );
+
+        // 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, wpinv_get_invoice_statuses( false, true ) ) ) {
+                $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, wpinv_get_invoice_statuses( false, true ) ) ) {
+                $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 ( $manual_update ) {
+                do_action( 'getpaid_' . $this->object_type .'_edit_status', $this->get_id(), $new_status );
+            }
+
+            $this->maybe_set_date_paid();
+
+        }
+
+        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() {
+
+        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() || ! get_post( $value ) ) ) {
+            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 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 && $date !== '0000-00-00 00:00:00' ) {
@@ -1863,13 +1863,13 @@ 
     }
 
     /**
-	 * 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 && $date !== '0000-00-00 00:00:00' ) {
@@ -1877,29 +1877,29 @@ 
             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 && $date !== '0000-00-00 00:00:00'  ) {
@@ -1907,29 +1907,29 @@ 
             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 && $date !== '0000-00-00 00:00:00' ) {
@@ -1937,699 +1937,699 @@ 
             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_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 );
+    }
+
+    /**
+     * 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 );
+    }
+
+    /**
+     * 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_name().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New name.
-	 */
-	public function set_title( $value ) {
-		$this->set_name( $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 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 );
+     * Set the receiver of the invoice.
+     *
+     * @since 1.0.19
+     * @param  int $value New author.
+     */
+    public function set_author( $value ) {
+        $this->set_prop( 'author', (int) $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_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_description().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New description.
-	 */
-	public function set_summary( $value ) {
-		$this->set_description( $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 receiver of the invoice.
-	 *
-	 * @since 1.0.19
-	 * @param  int $value New author.
-	 */
-	public function set_author( $value ) {
-		$this->set_prop( 'author', (int) $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_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_ip().
+     *
+     * @since 1.0.19
+     * @param  string $value ip address.
+     */
+    public function set_user_ip( $value ) {
+        $this->set_ip( $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 first name.
+     *
+     * @since 1.0.19
+     * @param  string $value first name.
+     */
+    public function set_first_name( $value ) {
+        $this->set_prop( '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_user_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 );
+     * 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 first name.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value first name.
-	 */
-	public function set_first_name( $value ) {
-		$this->set_prop( 'first_name', $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_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_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_customer_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 );
     }
 
     /**
-	 * 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 phone number.
+     *
+     * @since 1.0.19
+     * @param  string $value phone.
+     */
+    public function set_phone( $value ) {
+        $this->set_prop( '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_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_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_customer_phone( $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 );
+     * 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_phone().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value phone.
-	 */
-	public function set_user_phone( $value ) {
-		$this->set_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_customer_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_phone_number( $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 );
     }
 
     /**
-	 * 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_email().
+     *
+     * @since 1.0.19
+     * @param  string $value email address.
+     */
+    public function set_customer_email( $value ) {
+        $this->set_email( $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 );
+     * 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_email_address( $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_customer_email( $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 );
     }
 
     /**
-	 * Set the customer's country.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value country.
-	 */
-	public function set_country( $value ) {
-		$this->set_prop( 'country', $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_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_user_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 );
+     * 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 state.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value state.
-	 */
-	public function set_state( $value ) {
-		$this->set_prop( 'state', $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_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_user_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 );
+     * 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 city.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value city.
-	 */
-	public function set_city( $value ) {
-		$this->set_prop( 'city', $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_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_user_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 );
+     * 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 zip code.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value zip.
-	 */
-	public function set_zip( $value ) {
-		$this->set_prop( 'zip', $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_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_user_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 );
+     * 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 company.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value company.
-	 */
-	public function set_company( $value ) {
-		$this->set_prop( 'company', $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_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_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_customer_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 );
     }
 
     /**
-	 * 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 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_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_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_customer_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 );
     }
 
     /**
-	 * 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 address.
+     *
+     * @since 1.0.19
+     * @param  string $value address.
+     */
+    public function set_address( $value ) {
+        $this->set_prop( '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_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_customer_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 );
     }
 
     /**
-	 * Set the customer's address.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value address.
-	 */
-	public function set_address( $value ) {
-		$this->set_prop( 'address', $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 );
     }
 
     /**
-	 * Alias of self::set_address().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value address.
-	 */
-	public function set_user_address( $value ) {
-		$this->set_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_customer_address( $value ) {
-		$this->set_address( $value );
+     * Set the invoice template.
+     *
+     * @since 1.0.19
+     * @param  string $value email recipients.
+     */
+    public function set_template( $value ) {
+        if ( in_array( $value, array( 'quantity', 'hours', 'amount' ) ) ) {
+            $this->set_prop( 'template', $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 email recipients.
-	 */
-	public function set_template( $value ) {
-		if ( in_array( $value, array( 'quantity', 'hours', 'amount' ) ) ) {
-			$this->set_prop( 'template', $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 ) {
 
         $this->set_prop( 'fees', array() );
 
@@ -2647,23 +2647,23 @@ 
     }
 
     /**
-	 * Set the invoice taxes.
-	 *
-	 * @since 1.0.19
-	 * @param  array $value taxes.
-	 */
-	public function set_taxes( $value ) {
-		$this->set_prop( 'taxes', $value );
+     * Set the invoice taxes.
+     *
+     * @since 1.0.19
+     * @param  array $value taxes.
+     */
+    public function set_taxes( $value ) {
+        $this->set_prop( 'taxes', $value );
     }
 
     /**
-	 * Set the invoice discounts.
-	 *
-	 * @since 1.0.19
-	 * @param  array $value discounts.
-	 */
-	public function set_discounts( $value ) {
-		$this->set_prop( 'discounts', array() );
+     * Set the invoice discounts.
+     *
+     * @since 1.0.19
+     * @param  array $value discounts.
+     */
+    public function set_discounts( $value ) {
+        $this->set_prop( 'discounts', array() );
 
         // Ensure that we have an array.
         if ( ! is_array( $value ) ) {
@@ -2678,12 +2678,12 @@ 
     }
 
     /**
-	 * 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() );
@@ -2700,73 +2700,73 @@ 
     }
 
     /**
-	 * 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 ) {
-		$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 ) {
+        $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 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 );
     }
 
     /*
@@ -2805,12 +2805,12 @@ 
      */
     public function is_taxable() {
         return (int) $this->disable_taxes === 0;
-	}
+    }
 
-	/**
-	 * @deprecated
-	 */
-	public function has_vat() {
+    /**
+     * @deprecated
+     */
+    public function has_vat() {
         global $wpinv_euvat, $wpi_country;
 
         $requires_vat = false;
@@ -2821,17 +2821,17 @@ 
         }
 
         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 ( $is_free && $this->is_recurring() ) {
-			$is_free = ! ( (float) wpinv_round_amount( $this->get_recurring_total() ) > 0 );
-		}
+        if ( $is_free && $this->is_recurring() ) {
+            $is_free = ! ( (float) wpinv_round_amount( $this->get_recurring_total() ) > 0 );
+        }
 
         return apply_filters( 'wpinv_invoice_is_free', $is_free, $this );
     }
@@ -2842,30 +2842,30 @@ 
     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_free();
+    public function needs_payment() {
+        $needs_payment = ! $this->is_paid() && ! $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 draft.
      */
-	public function is_draft() {
+    public function is_draft() {
         return $this->has_status( 'draft, auto-draft' );
-	}
+    }
 
     /**
      * Checks if the invoice has a given status.
@@ -2873,9 +2873,9 @@ 
     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 ) {
@@ -2898,25 +2898,25 @@ 
      */
     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.
      *
      */
@@ -2929,21 +2929,21 @@ 
 
         $item = new WPInv_Item( $this->recurring_item );
         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;
         }
@@ -2975,19 +2975,19 @@ 
     public function add_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 ) ) {
-				return false;
-			}
+            // An invoice can only contain one recurring item.
+            if ( ! empty( $this->recurring_item ) ) {
+                return false;
+            }
 
-			$this->recurring_item = $item->get_id();
+            $this->recurring_item = $item->get_id();
         }
 
         // Invoice id.
@@ -2998,25 +2998,25 @@ 
         $items[ $item->get_id() ] = $item;
 
         $this->set_prop( 'items', $items );
-		return true;
+        return true;
     }
 
     /**
-	 * Retrieves a specific item.
-	 *
-	 * @since 1.0.19
-	 */
-	public function get_item( $item_id ) {
+     * Retrieves a specific item.
+     *
+     * @since 1.0.19
+     */
+    public function get_item( $item_id ) {
         $items = $this->get_items();
-		return ( ! empty( $item_id ) && isset( $items[ $item_id ] ) ) ? $items[ $item_id ] : null;
+        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 ) {
+     * Removes a specific item.
+     *
+     * @since 1.0.19
+     */
+    public function remove_item( $item_id ) {
         $items = $this->get_items();
 
         if ( $item_id == $this->recurring_item ) {
@@ -3044,38 +3044,38 @@ 
         if ( isset( $fees[ $fee ] ) && isset( $fees[ $fee ]['amount'] ) ) {
 
             $amount = $fees[ $fee ]['amount'] += $amount;
-			$fees[ $fee ] = array(
+            $fees[ $fee ] = array(
                 'amount'    => $amount,
                 'recurring' => (bool) $recurring,
             );
 
-		} else {
-			$fees[ $fee ] = array(
+        } else {
+            $fees[ $fee ] = array(
                 'amount'    => $amount,
                 'recurring' => (bool) $recurring,
             );
-		}
+        }
 
         $this->set_prop( 'fees', $fee );
 
     }
 
     /**
-	 * 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 ] );
@@ -3098,44 +3098,44 @@ 
         if ( isset( $discounts[ $discount ] ) && isset( $discounts[ $discount ]['amount'] ) ) {
 
             $amount = $discounts[ $discount ]['amount'] += $amount;
-			$discounts[ $discount ] = array(
+            $discounts[ $discount ] = array(
                 'amount'    => $amount,
                 'recurring' => (bool) $recurring,
             );
 
-		} else {
-			$discounts[ $discount ] = array(
+        } else {
+            $discounts[ $discount ] = array(
                 'amount'    => $amount,
                 'recurring' => (bool) $recurring,
             );
-		}
+        }
 
         $this->set_prop( 'discounts', $discount );
 
     }
 
     /**
-	 * Retrieves a specific discount.
-	 *
-	 * @since 1.0.19
-	 */
-	public function get_discount( $discount = false ) {
+     * Retrieves a specific discount.
+     *
+     * @since 1.0.19
+     */
+    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 ] );
@@ -3161,38 +3161,38 @@ 
         if ( isset( $taxes[ $tax ] ) && isset( $taxes[ $tax ]['amount'] ) ) {
 
             $amount = $taxes[ $tax ]['amount'] += $amount;
-			$taxes[ $tax ] = array(
+            $taxes[ $tax ] = array(
                 'amount'    => $amount,
                 'recurring' => (bool) $recurring,
             );
 
-		} else {
-			$taxes[ $tax ] = array(
+        } else {
+            $taxes[ $tax ] = array(
                 'amount'    => $amount,
                 'recurring' => (bool) $recurring,
             );
-		}
+        }
 
         $this->set_prop( 'taxes', $tax );
 
     }
 
     /**
-	 * Retrieves a specific tax.
-	 *
-	 * @since 1.0.19
-	 */
-	public function get_tax( $tax ) {
+     * Retrieves a specific tax.
+     *
+     * @since 1.0.19
+     */
+    public function get_tax( $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_discounts();
         if ( isset( $taxes[ $tax ] ) ) {
             unset( $taxes[ $tax ] );
@@ -3201,160 +3201,160 @@ 
     }
 
     /**
-	 * 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();
         }
 
-		if ( $this->is_renewal() ) {
-			$this->set_subtotal( $recurring );
-		} else {
-			$this->set_subtotal( $subtotal );
-		}
+        if ( $this->is_renewal() ) {
+            $this->set_subtotal( $recurring );
+        } else {
+            $this->set_subtotal( $subtotal );
+        }
 
-		$this->totals['subtotal'] = array(
-			'initial'   => $subtotal,
-			'recurring' => $recurring,
-		);
+        $this->totals['subtotal'] = array(
+            'initial'   => $subtotal,
+            'recurring' => $recurring,
+        );
 
         return $this->is_renewal() ? $recurring : $subtotal;
     }
 
     /**
-	 * 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 ) {
 
-			if ( $data['recurring'] ) {
-				$recurring += $data['amount'];
-			} else {
-				$discount += $data['amount'];
-			}
+            if ( $data['recurring'] ) {
+                $recurring += $data['amount'];
+            } else {
+                $discount += $data['amount'];
+            }
 
-		}
+        }
 
-		if ( $this->is_renewal() ) {
-			$this->set_total_discount( $recurring );
-		} else {
-			$this->set_total_discount( $discount );
-		}
+        if ( $this->is_renewal() ) {
+            $this->set_total_discount( $recurring );
+        } else {
+            $this->set_total_discount( $discount );
+        }
 
-		$this->totals['discount'] = array(
-			'initial'   => $discount,
-			'recurring' => $recurring,
-		);
+        $this->totals['discount'] = array(
+            'initial'   => $discount,
+            'recurring' => $recurring,
+        );
 
-		return $this->is_renewal() ? $recurring : $discount;
+        return $this->is_renewal() ? $recurring : $discount;
 
     }
 
     /**
-	 * 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 ) {
 
-			if ( $data['recurring'] ) {
-				$recurring += $data['amount'];
-			} else {
-				$tax += $data['amount'];
-			}
+            if ( $data['recurring'] ) {
+                $recurring += $data['amount'];
+            } else {
+                $tax += $data['amount'];
+            }
 
-		}
+        }
 
-		if ( $this->is_renewal() ) {
-			$this->set_total_tax( $recurring );
-		} else {
-			$this->set_total_tax( $tax );
-		}
+        if ( $this->is_renewal() ) {
+            $this->set_total_tax( $recurring );
+        } else {
+            $this->set_total_tax( $tax );
+        }
 
-		$this->totals['tax'] = array(
-			'initial'   => $tax,
-			'recurring' => $recurring,
-		);
+        $this->totals['tax'] = array(
+            'initial'   => $tax,
+            'recurring' => $recurring,
+        );
 
-		return $this->is_renewal() ? $recurring : $tax;
+        return $this->is_renewal() ? $recurring : $tax;
 
     }
 
     /**
-	 * 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 ) {
 
-			if ( $data['recurring'] ) {
-				$recurring += $data['amount'];
-			} else {
-				$fee += $data['amount'];
-			}
+            if ( $data['recurring'] ) {
+                $recurring += $data['amount'];
+            } else {
+                $fee += $data['amount'];
+            }
 
-		}
+        }
 
         if ( $this->is_renewal() ) {
-			$this->set_total_fees( $recurring );
-		} else {
-			$this->set_total_fees( $fee );
-		}
+            $this->set_total_fees( $recurring );
+        } else {
+            $this->set_total_fees( $fee );
+        }
 
-		$this->totals['fee'] = array(
-			'initial'   => $fee,
-			'recurring' => $recurring,
-		);
+        $this->totals['fee'] = array(
+            'initial'   => $fee,
+            'recurring' => $recurring,
+        );
 
         $this->set_total_fees( $fee );
         return $this->is_renewal() ? $recurring : $fee;
     }
 
     /**
-	 * 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 );
@@ -3418,9 +3418,9 @@ 
         }
 
         return $note_id;
-	}
+    }
 
-	/**
+    /**
      * Generates a unique key for the invoice.
      */
     public function generate_key( $string = '' ) {
@@ -3441,106 +3441,106 @@ 
             $number      = $next_number;
         }
 
-		$number = wpinv_format_invoice_number( $number, $this->post_type );
+        $number = wpinv_format_invoice_number( $number, $this->post_type );
 
-		return $number;
-	}
+        return $number;
+    }
 
-	/**
-	 * Handle the status transition.
-	 */
-	protected function status_transition() {
-		$status_transition = $this->status_transition;
+    /**
+     * Handle the status transition.
+     */
+    protected function status_transition() {
+        $status_transition = $this->status_transition;
 
-		// Reset status transition variable.
-		$this->status_transition = false;
+        // Reset status transition variable.
+        $this->status_transition = false;
 
-		if ( $status_transition ) {
-			try {
+        if ( $status_transition ) {
+            try {
 
-				// Fire a hook for the status change.
-				do_action( 'getpaid_invoice_status_' . $status_transition['to'], $this->get_id(), $this, $status_transition );
+                // Fire a hook for the status change.
+                do_action( 'getpaid_invoice_status_' . $status_transition['to'], $this->get_id(), $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'] );
+                // @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'] ) ) {
+                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'] ) );
+                    /* 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->get_id(), $this );
-					do_action( 'getpaid_invoice_status_changed', $this->get_id(), $status_transition['from'], $status_transition['to'], $this );
+                    // Fire another hook.
+                    do_action( 'getpaid_invoice_status_' . $status_transition['from'] . '_to_' . $status_transition['to'], $this->get_id(), $this );
+                    do_action( 'getpaid_invoice_status_changed', $this->get_id(), $status_transition['from'], $status_transition['to'], $this );
 
-					// @deprecated this is deprecated and will be removed in the future.
-					do_action( 'wpinv_status_' . $status_transition['from'] . '_to_' . $status_transition['to'], $this->ID, $status_transition['from'] );
+                    // @deprecated this is deprecated and will be removed in the future.
+                    do_action( 'wpinv_status_' . $status_transition['from'] . '_to_' . $status_transition['to'], $this->ID, $status_transition['from'] );
 
-					// Note the transition occurred.
-					$this->add_note( trim( $status_transition['note'] . ' ' . $transition_note ), 0, $status_transition['manual'] );
+                    // 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' ), true )
-						&& in_array( $status_transition['to'], array( 'publish', 'wpi-processing', 'wpi-renewal' ), true )
-					) {
-						do_action( 'getpaid_invoice_payment_status_changed', $this->get_id(), $this, $status_transition );
-					}
-				} else {
-					/* translators: %s: new invoice status */
-					$transition_note = sprintf( __( 'Status set to %s.', 'invoicing' ), wpinv_status_nicename( $status_transition['to'] ) );
+                    // 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' ), true )
+                        && in_array( $status_transition['to'], array( 'publish', 'wpi-processing', 'wpi-renewal' ), true )
+                    ) {
+                        do_action( 'getpaid_invoice_payment_status_changed', $this->get_id(), $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'] );
+                    // 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() );
-			}
-		}
-	}
+                }
+            } 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->ID, $new_status, $this->get_status( 'edit' ) );
+        // Fires before updating a status.
+        do_action( 'wpinv_before_invoice_status_change', $this->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();
@@ -3556,25 +3556,25 @@ 
 
     }
 
-	/**
-	 * Refunds an invoice.
-	 */
+    /**
+     * Refunds an invoice.
+     */
     public function refund() {
-		$this->set_status( 'wpi-refunded' );
+        $this->set_status( 'wpi-refunded' );
         $this->save();
     }
 
-	/**
-	 * Save data to the database.
-	 *
-	 * @since 1.0.19
-	 * @return int invoice ID
-	 */
-	public function save() {
-		$this->maybe_set_date_paid();
-		parent::save();
-		$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();
+        parent::save();
+        $this->status_transition();
+        return $this->get_id();
+    }
 
 }

Spacing +709 added lines, -709 removed lines

@@ -1,8 +1,8 @@ 
 <?php
 
 // MUST have WordPress.
-if ( !defined( 'WPINC' ) ) {
-    exit( 'Do NOT access this file directly: ' . basename( __FILE__ ) );
+if (!defined('WPINC')) {
+    exit('Do NOT access this file directly: ' . basename(__FILE__));
 }
 
 /**
@@ -130,38 +130,38 @@ 
 	 *
 	 * @param  int/string|object|WPInv_Invoice|WPInv_Legacy_Invoice|WP_Post $invoice Invoice id, key, number or object to read.
 	 */
-    public function __construct( $invoice = false ) {
+    public function __construct($invoice = false) {
 
-        parent::__construct( $invoice );
+        parent::__construct($invoice);
 
-		if ( 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( $invoice );
+		if (is_numeric($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_discount_id_by_code( $invoice, 'key' ) ) {
-			$this->set_id( $invoice_id );
-		} elseif ( is_scalar( $invoice ) && $invoice_id = self::get_discount_id_by_code( $invoice, 'number' ) ) {
-			$this->set_id( $invoice_id );
+		} elseif (is_scalar($invoice) && $invoice_id = self::get_discount_id_by_code($invoice, 'key')) {
+			$this->set_id($invoice_id);
+		} elseif (is_scalar($invoice) && $invoice_id = self::get_discount_id_by_code($invoice, 'number')) {
+			$this->set_id($invoice_id);
 		} else {
-			$this->set_object_read( true );
+			$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);
         }
 
     }
@@ -175,38 +175,38 @@ 
 	 * @since 1.0.15
 	 * @return int
 	 */
-	public static function get_discount_id_by_code( $invoice_key_or_number, $field = 'key' ) {
+	public static function get_discount_id_by_code($invoice_key_or_number, $field = 'key') {
         global $wpdb;
 
 		// Trim the code.
-        $key = trim( $invoice_key_or_number );
+        $key = trim($invoice_key_or_number);
 
         // Valid fields.
-        $fields = array( 'key', 'number' );
+        $fields = array('key', 'number');
 
 		// Ensure a value has been passed.
-		if ( empty( $key ) || ! in_array( $field, $fields ) ) {
+		if (empty($key) || !in_array($field, $fields)) {
 			return 0;
 		}
 
 		// Maybe retrieve from the cache.
-		$invoice_id   = wp_cache_get( $key, 'getpaid_invoice_keys_' . $field );
-		if ( ! empty( $invoice_id ) ) {
+		$invoice_id = wp_cache_get($key, 'getpaid_invoice_keys_' . $field);
+		if (!empty($invoice_id)) {
 			return $invoice_id;
 		}
 
         // Fetch from the db.
         $table       = $wpdb->prefix . 'getpaid_invoices';
         $invoice_id  = $wpdb->get_var(
-            $wpdb->prepare( "SELECT `post_id` FROM $table WHERE $field=%s LIMIT 1", $key )
+            $wpdb->prepare("SELECT `post_id` FROM $table WHERE $field=%s LIMIT 1", $key)
         );
 
-		if ( empty( $invoice_id ) ) {
+		if (empty($invoice_id)) {
 			return 0;
 		}
 
 		// Update the cache with our data
-		wp_cache_set( $key, $invoice_id, 'getpaid_invoice_keys_' . $field );
+		wp_cache_set($key, $invoice_id, 'getpaid_invoice_keys_' . $field);
 
 		return $invoice_id;
     }
@@ -214,8 +214,8 @@ 
     /**
      * 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");
     }
 
     /*
@@ -240,8 +240,8 @@ 
 	 * @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);
     }
 
     /**
@@ -251,7 +251,7 @@ 
 	 * @return WPInv_Invoice
 	 */
     public function get_parent_payment() {
-        return new WPInv_Invoice( $this->get_parent_id() );
+        return new WPInv_Invoice($this->get_parent_id());
     }
 
     /**
@@ -271,8 +271,8 @@ 
 	 * @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);
     }
 
     /**
@@ -282,15 +282,15 @@ 
 	 * @return string
 	 */
     public function get_status_nicename() {
-        $statuses = wpinv_get_invoice_statuses( true, true, $this );
+        $statuses = wpinv_get_invoice_statuses(true, true, $this);
 
-        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();
         }
 
-        $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 );
+        return apply_filters('wpinv_get_invoice_status_nicename', $status);
     }
 
     /**
@@ -300,27 +300,27 @@ 
 	 * @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( $formatted = true ) {
+	public function get_invoice_date($formatted = true) {
         $date_completed = $this->get_date_completed();
         $invoice_date   = $date_completed != '0000-00-00 00:00:00' ? $date_completed : '';
 
-        if ( $invoice_date == '' ) {
+        if ($invoice_date == '') {
             $date_created   = $this->get_date_created();
             $invoice_date   = $date_created != '0000-00-00 00:00:00' ? $date_created : '';
         }
 
-        if ( $formatted && $invoice_date ) {
-            $invoice_date   = date_i18n( get_option( 'date_format' ), strtotime( $invoice_date ) );
+        if ($formatted && $invoice_date) {
+            $invoice_date = date_i18n(get_option('date_format'), strtotime($invoice_date));
         }
 
-        return apply_filters( 'wpinv_get_invoice_date', $invoice_date, $formatted, $this->ID, $this );
+        return apply_filters('wpinv_get_invoice_date', $invoice_date, $formatted, $this->ID, $this);
     }
 
     /**
@@ -330,8 +330,8 @@ 
 	 * @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);
 	}
 	
 	/**
@@ -341,8 +341,8 @@ 
 	 * @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);
     }
 
     /**
@@ -352,11 +352,11 @@ 
 	 * @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;
     }
@@ -368,8 +368,8 @@ 
 	 * @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);
 	}
 
 	/**
@@ -379,8 +379,8 @@ 
 	 * @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);
     }
 
     /**
@@ -390,11 +390,11 @@ 
 	 * @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;
     }
@@ -406,8 +406,8 @@ 
 	 * @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);
     }
 
     /**
@@ -417,8 +417,8 @@ 
 	 * @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);
     }
 
     /**
@@ -428,11 +428,11 @@ 
 	 * @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;
     }
@@ -444,8 +444,8 @@ 
 	 * @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);
     }
 
     /**
@@ -455,8 +455,8 @@ 
 	 * @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);
     }
 
     /**
@@ -466,8 +466,8 @@ 
 	 * @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);
     }
 
     /**
@@ -477,11 +477,11 @@ 
 	 * @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;
     }
@@ -493,8 +493,8 @@ 
 	 * @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);
     }
 
     /**
@@ -504,12 +504,12 @@ 
 	 * @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( $number );
+            $this->set_number($number);
         }
 
 		return $number;
@@ -522,12 +522,12 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_key( $context = 'view' ) {
-        $key = $this->get_prop( 'key', $context );
+	public function get_key($context = 'view') {
+        $key = $this->get_prop('key', $context);
 
-        if ( empty( $key ) ) {
-            $key = $this->generate_key( $this->post_type );
-            $this->set_key( $key );
+        if (empty($key)) {
+            $key = $this->generate_key($this->post_type);
+            $this->set_key($key);
         }
 
 		return $key;
@@ -540,23 +540,23 @@ 
 	 * @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( $post_id ) {
-        if ( empty( $post_id ) ) {
+	public function get_invoice_quote_type($post_id) {
+        if (empty($post_id)) {
             return '';
         }
 
-        $type = get_post_type( $post_id );
+        $type = get_post_type($post_id);
 
-        if ( 'wpi_invoice' === $type ) {
+        if ('wpi_invoice' === $type) {
             $post_type = __('Invoice', 'invoicing');
-        } else{
+        } else {
             $post_type = __('Quote', 'invoicing');
         }
 
@@ -570,8 +570,8 @@ 
 	 * @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);
     }
 
     /**
@@ -581,8 +581,8 @@ 
 	 * @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);
     }
 
     /**
@@ -592,12 +592,12 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_path( $context = 'view' ) {
-        $path = $this->get_prop( 'path', $context );
+	public function get_path($context = 'view') {
+        $path = $this->get_prop('path', $context);
 
-        if ( empty( $path ) ) {
-            $prefix = apply_filters( 'wpinv_post_name_prefix', 'inv-', $this->post_type );
-            $path   = sanitize_title( $prefix . $this->get_id() );
+        if (empty($path)) {
+            $prefix = apply_filters('wpinv_post_name_prefix', 'inv-', $this->post_type);
+            $path   = sanitize_title($prefix . $this->get_id());
         }
 
 		return $path;
@@ -610,10 +610,10 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_name( $context = 'view' ) {
-        $name = $this->get_prop( 'title', $context );
+	public function get_name($context = 'view') {
+        $name = $this->get_prop('title', $context);
 
-		return empty( $name ) ? $this->get_number( $context ) : $name;
+		return empty($name) ? $this->get_number($context) : $name;
     }
 
     /**
@@ -623,8 +623,8 @@ 
 	 * @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);
     }
 
     /**
@@ -634,8 +634,8 @@ 
 	 * @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);
     }
 
     /**
@@ -645,8 +645,8 @@ 
 	 * @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);
     }
 
     /**
@@ -656,8 +656,8 @@ 
 	 * @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);
     }
 
     /**
@@ -667,23 +667,23 @@ 
      * @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->ID, $this );
+        return apply_filters('wpinv_user_info', $user_info, $this->ID, $this);
     }
 
     /**
@@ -693,8 +693,8 @@ 
 	 * @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);
     }
 
     /**
@@ -704,8 +704,8 @@ 
 	 * @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);
     }
 
      /**
@@ -715,8 +715,8 @@ 
 	 * @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);
     }
 
     /**
@@ -726,8 +726,8 @@ 
 	 * @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);
     }
 
     /**
@@ -737,8 +737,8 @@ 
 	 * @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);
     }
 
      /**
@@ -748,8 +748,8 @@ 
 	 * @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);
     }
 
     /**
@@ -759,8 +759,8 @@ 
 	 * @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);
     }
 
     /**
@@ -770,8 +770,8 @@ 
 	 * @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);
     }
 
      /**
@@ -781,8 +781,8 @@ 
 	 * @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);
     }
 
     /**
@@ -792,8 +792,8 @@ 
 	 * @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);
     }
 
     /**
@@ -803,8 +803,8 @@ 
 	 * @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);
     }
 
     /**
@@ -814,8 +814,8 @@ 
 	 * @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);
     }
 
     /**
@@ -825,8 +825,8 @@ 
 	 * @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));
     }
 
     /**
@@ -836,8 +836,8 @@ 
 	 * @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);
     }
 
     /**
@@ -847,8 +847,8 @@ 
 	 * @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);
     }
 
     /**
@@ -858,8 +858,8 @@ 
 	 * @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);
     }
 
     /**
@@ -869,8 +869,8 @@ 
 	 * @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);
     }
 
     /**
@@ -880,8 +880,8 @@ 
 	 * @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);
     }
 
     /**
@@ -891,8 +891,8 @@ 
 	 * @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);
     }
 
     /**
@@ -902,8 +902,8 @@ 
 	 * @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);
     }
 
     /**
@@ -913,8 +913,8 @@ 
 	 * @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);
     }
 
     /**
@@ -924,8 +924,8 @@ 
 	 * @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);
     }
 
     /**
@@ -935,8 +935,8 @@ 
 	 * @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);
     }
 
     /**
@@ -946,9 +946,9 @@ 
 	 * @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;
     }
 
     /**
@@ -958,8 +958,8 @@ 
 	 * @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);
     }
 
     /**
@@ -969,8 +969,8 @@ 
 	 * @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);
     }
 
     /**
@@ -980,9 +980,9 @@ 
 	 * @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;
     }
 
     /**
@@ -992,8 +992,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1003,8 +1003,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1014,8 +1014,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1025,8 +1025,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1036,8 +1036,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1047,8 +1047,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1058,8 +1058,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1069,8 +1069,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1080,8 +1080,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1091,8 +1091,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1102,8 +1102,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1113,8 +1113,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1124,8 +1124,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1135,8 +1135,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1146,8 +1146,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1157,8 +1157,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1168,8 +1168,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1179,8 +1179,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1190,8 +1190,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1201,8 +1201,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1212,8 +1212,8 @@ 
 	 * @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);
 	}
 
 	/**
@@ -1223,8 +1223,8 @@ 
 	 * @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);
 	}
 
 	/**
@@ -1234,8 +1234,8 @@ 
 	 * @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);
 	}
 
 	/**
@@ -1245,8 +1245,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1256,8 +1256,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1267,8 +1267,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1278,12 +1278,12 @@ 
 	 * @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;
@@ -1296,8 +1296,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1307,18 +1307,18 @@ 
 	 * @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;
@@ -1331,8 +1331,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1342,8 +1342,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1354,7 +1354,7 @@ 
 	 */
 	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);
     }
 
     /**
@@ -1366,7 +1366,7 @@ 
 	 */
     public function get_initial_total() {
 
-		if ( empty( $this->totals ) ) {
+		if (empty($this->totals)) {
 			$this->recalculate_total();
 		}
 
@@ -1376,11 +1376,11 @@ 
 		$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);
 	}
 
 	/**
@@ -1392,7 +1392,7 @@ 
 	 */
     public function get_recurring_total() {
 
-		if ( empty( $this->totals ) ) {
+		if (empty($this->totals)) {
 			$this->recalculate_total();
 		}
 
@@ -1402,11 +1402,11 @@ 
 		$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);
 	}
 
 	/**
@@ -1417,10 +1417,10 @@ 
 	 * @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();
 		}
 
@@ -1440,8 +1440,8 @@ 
 			$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;
@@ -1454,8 +1454,8 @@ 
 	 * @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));
     }
 
     /**
@@ -1465,8 +1465,8 @@ 
 	 * @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));
     }
 
     /**
@@ -1476,8 +1476,8 @@ 
 	 * @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));
     }
 
     /**
@@ -1487,8 +1487,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1498,8 +1498,8 @@ 
 	 * @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));
     }
 
     /**
@@ -1509,8 +1509,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1520,8 +1520,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1531,8 +1531,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1542,8 +1542,8 @@ 
 	 * @return string
 	 */
     public function get_gateway_title() {
-        $title =  wpinv_get_gateway_checkout_label( $this->get_gateway() );
-        return apply_filters( 'wpinv_gateway_title', $title, $this->ID, $this );
+        $title = wpinv_get_gateway_checkout_label($this->get_gateway());
+        return apply_filters('wpinv_gateway_title', $title, $this->ID, $this);
     }
 
     /**
@@ -1553,8 +1553,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1564,9 +1564,9 @@ 
 	 * @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;
     }
 
     /**
@@ -1576,8 +1576,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1587,12 +1587,12 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-    public function get_subscription_id( $context = 'view' ) {
-        $subscription_id = $this->get_prop( 'subscription_id', $context );
+    public function get_subscription_id($context = 'view') {
+        $subscription_id = $this->get_prop('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;
@@ -1605,20 +1605,20 @@ 
 	 * @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),
         );
 
     }
@@ -1633,7 +1633,7 @@ 
         $items        = $this->get_items();
         $cart_details = array();
 
-        foreach ( $items as $item_id => $item ) {
+        foreach ($items as $item_id => $item) {
             $cart_details[] = $item->prepare_data_for_saving();
         }
 
@@ -1645,11 +1645,11 @@ 
 	 *
 	 * @return null|GetPaid_Form_Item
 	 */
-	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;
@@ -1664,15 +1664,15 @@ 
 	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);
 	}
 
 	/**
@@ -1682,9 +1682,9 @@ 
 	 * @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);
 	}
 
 	/**
@@ -1693,25 +1693,25 @@ 
 	 * @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);
     }
 
     /**
@@ -1724,8 +1724,8 @@ 
 	 * @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);
 	}
 
     /*
@@ -1748,11 +1748,11 @@ 
 	 * @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);
         }
 
 	}
@@ -1766,35 +1766,35 @@ 
 	 * @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();
 
-		$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( $new_status, wpinv_get_invoice_statuses( false, true ) ) ) {
+			if (!array_key_exists($new_status, wpinv_get_invoice_statuses(false, true))) {
 				$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( $new_status, wpinv_get_invoice_statuses( false, true ) ) ) {
+			if ($old_status && !array_key_exists($new_status, wpinv_get_invoice_statuses(false, true))) {
 				$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();
@@ -1817,8 +1817,8 @@ 
 	 */
 	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'));
 		}
 	}
 
@@ -1827,11 +1827,11 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function set_parent_id( $value ) {
-		if ( $value && ( $value === $this->get_id() || ! get_post( $value ) ) ) {
+	public function set_parent_id($value) {
+		if ($value && ($value === $this->get_id() || !get_post($value))) {
 			return;
 		}
-		$this->set_prop( 'parent_id', absint( $value ) );
+		$this->set_prop('parent_id', absint($value));
     }
 
     /**
@@ -1839,8 +1839,8 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function set_version( $value ) {
-		$this->set_prop( 'version', $value );
+	public function set_version($value) {
+		$this->set_prop('version', $value);
     }
 
     /**
@@ -1850,15 +1850,15 @@ 
 	 * @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 && $date !== '0000-00-00 00:00:00' ) {
-            $this->set_prop( 'date_created', date( 'Y-m-d H:i:s', $date ) );
+        if ($date && $date !== '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', '');
 
     }
 
@@ -1869,15 +1869,15 @@ 
 	 * @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 && $date !== '0000-00-00 00:00:00' ) {
-            $this->set_prop( 'due_date', date( 'Y-m-d H:i:s', $date ) );
+        if ($date && $date !== '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;
 
     }
@@ -1888,8 +1888,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1899,15 +1899,15 @@ 
 	 * @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 && $date !== '0000-00-00 00:00:00'  ) {
-            $this->set_prop( 'completed_date', date( 'Y-m-d H:i:s', $date ) );
+        if ($date && $date !== '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;
 
     }
@@ -1918,8 +1918,8 @@ 
 	 * @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);
     }
 
     /**
@@ -1929,15 +1929,15 @@ 
 	 * @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 && $date !== '0000-00-00 00:00:00' ) {
-            $this->set_prop( 'date_modified', date( 'Y-m-d H:i:s', $date ) );
+        if ($date && $date !== '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;
 
     }
@@ -1948,9 +1948,9 @@ 
 	 * @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);
     }
 
     /**
@@ -1959,9 +1959,9 @@ 
 	 * @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);
     }
 
     /**
@@ -1970,9 +1970,9 @@ 
 	 * @since 1.0.19
 	 * @param  string $value Post type.
 	 */
-	public function set_post_type( $value ) {
-        if ( getpaid_is_invoice_post_type( $value ) ) {
-            $this->set_prop( 'post_type', $value );
+	public function set_post_type($value) {
+        if (getpaid_is_invoice_post_type($value)) {
+            $this->set_prop('post_type', $value);
         }
     }
 
@@ -1982,9 +1982,9 @@ 
 	 * @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);
     }
 
     /**
@@ -1993,9 +1993,9 @@ 
 	 * @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);
         }
     }
 
@@ -2005,8 +2005,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2015,9 +2015,9 @@ 
 	 * @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);
     }
 
     /**
@@ -2026,8 +2026,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2036,9 +2036,9 @@ 
 	 * @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);
     }
 
     /**
@@ -2047,8 +2047,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2057,8 +2057,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2067,8 +2067,8 @@ 
 	 * @since 1.0.19
 	 * @param  int $value New author.
 	 */
-	public function set_author( $value ) {
-		$this->set_prop( 'author', (int) $value );
+	public function set_author($value) {
+		$this->set_prop('author', (int) $value);
     }
 
     /**
@@ -2077,8 +2077,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2087,8 +2087,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2097,8 +2097,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2107,8 +2107,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2117,8 +2117,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2127,8 +2127,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2137,8 +2137,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2147,8 +2147,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2157,8 +2157,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2167,8 +2167,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2177,8 +2177,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2187,8 +2187,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2197,8 +2197,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2207,8 +2207,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2217,8 +2217,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2227,8 +2227,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2237,8 +2237,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2247,8 +2247,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2257,8 +2257,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2267,8 +2267,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2277,8 +2277,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2287,8 +2287,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2297,8 +2297,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2307,8 +2307,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2317,8 +2317,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2327,8 +2327,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2337,8 +2337,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2347,8 +2347,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2357,8 +2357,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2367,8 +2367,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2377,8 +2377,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2387,8 +2387,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2397,8 +2397,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2407,8 +2407,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2417,8 +2417,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2427,8 +2427,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2437,8 +2437,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2447,8 +2447,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2457,8 +2457,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2467,8 +2467,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2477,8 +2477,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2487,8 +2487,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2497,8 +2497,8 @@ 
 	 * @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);
 	}
 
 	/**
@@ -2507,8 +2507,8 @@ 
 	 * @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);
 	}
 
 	/**
@@ -2517,9 +2517,9 @@ 
 	 * @since 1.0.19
 	 * @param  string $value email recipients.
 	 */
-	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);
 		}
 	}
 
@@ -2529,8 +2529,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2539,8 +2539,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2549,8 +2549,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2559,8 +2559,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2569,8 +2569,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2579,8 +2579,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2589,8 +2589,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2599,8 +2599,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2609,8 +2609,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2619,8 +2619,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2629,18 +2629,18 @@ 
 	 * @since 1.0.19
 	 * @param  array $value fees.
 	 */
-	public function set_fees( $value ) {
+	public function set_fees($value) {
 
-        $this->set_prop( 'fees', array() );
+        $this->set_prop('fees', array());
 
         // Ensure that we have an array.
-        if ( ! is_array( $value ) ) {
+        if (!is_array($value)) {
             return;
         }
 
-        foreach ( $value as $name => $data ) {
-            if ( isset( $data['amount'] ) ) {
-                $this->add_fee( $name, $data['amount'], $data['recurring'] );
+        foreach ($value as $name => $data) {
+            if (isset($data['amount'])) {
+                $this->add_fee($name, $data['amount'], $data['recurring']);
             }
         }
 
@@ -2652,8 +2652,8 @@ 
 	 * @since 1.0.19
 	 * @param  array $value taxes.
 	 */
-	public function set_taxes( $value ) {
-		$this->set_prop( 'taxes', $value );
+	public function set_taxes($value) {
+		$this->set_prop('taxes', $value);
     }
 
     /**
@@ -2662,17 +2662,17 @@ 
 	 * @since 1.0.19
 	 * @param  array $value discounts.
 	 */
-	public function set_discounts( $value ) {
-		$this->set_prop( 'discounts', array() );
+	public function set_discounts($value) {
+		$this->set_prop('discounts', array());
 
         // Ensure that we have an array.
-        if ( ! is_array( $value ) ) {
+        if (!is_array($value)) {
             return;
         }
 
-        foreach ( $value as $name => $data ) {
-            if ( isset( $data['amount'] ) ) {
-                $this->add_discount( $name, $data['amount'], $data['recurring'] );
+        foreach ($value as $name => $data) {
+            if (isset($data['amount'])) {
+                $this->add_discount($name, $data['amount'], $data['recurring']);
             }
         }
     }
@@ -2683,18 +2683,18 @@ 
 	 * @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);
         }
 
     }
@@ -2705,8 +2705,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2715,8 +2715,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2725,8 +2725,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2735,8 +2735,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2745,8 +2745,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value transaction id.
 	 */
-	public function set_transaction_id( $value ) {
-		$this->set_prop( 'transaction_id', $value );
+	public function set_transaction_id($value) {
+		$this->set_prop('transaction_id', $value);
     }
 
     /**
@@ -2755,8 +2755,8 @@ 
 	 * @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);
     }
 
     /**
@@ -2765,8 +2765,8 @@ 
 	 * @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);
     }
 
     /*
@@ -2783,21 +2783,21 @@ 
      */
     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);
     }
 
     /**
@@ -2815,72 +2815,72 @@ 
 
         $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 ( $is_free && $this->is_recurring() ) {
-			$is_free = ! ( (float) wpinv_round_amount( $this->get_recurring_total() ) > 0 );
+		if ($is_free && $this->is_recurring()) {
+			$is_free = !((float) wpinv_round_amount($this->get_recurring_total()) > 0);
 		}
 
-        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_free();
-        return apply_filters( 'wpinv_needs_payment', $needs_payment, $this );
+		$needs_payment = !$this->is_paid() && !$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 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);
     }
 
     /**
@@ -2889,7 +2889,7 @@ 
      * @since 1.0.15
      */
     public function is_quote() {
-        return $this->has_status( 'wpi_quote' );
+        return $this->has_status('wpi_quote');
     }
 
     /**
@@ -2912,8 +2912,8 @@ 
      *
      */
 	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);
     }
 	
 	/**
@@ -2923,11 +2923,11 @@ 
     public function item_has_free_trial() {
 
         // Ensure we have a recurring item.
-        if ( ! $this->is_recurring() ) {
+        if (!$this->is_recurring()) {
             return false;
         }
 
-        $item = new WPInv_Item( $this->recurring_item );
+        $item = new WPInv_Item($this->recurring_item);
         return $item->has_free_trial();
 	}
 
@@ -2935,7 +2935,7 @@ 
      * 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();
 	}
 	
 	/**
@@ -2944,17 +2944,17 @@ 
     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();
     }
 
     /*
@@ -2972,18 +2972,18 @@ 
      * @param GetPaid_Form_Item $item
      * @return WP_Error|Bool
      */
-    public function add_item( $item ) {
+    public function add_item($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( $this->recurring_item ) ) {
+			if (!empty($this->recurring_item)) {
 				return false;
 			}
 
@@ -2995,9 +2995,9 @@ 
 
         // Retrieve all items.
         $items = $this->get_items();
-        $items[ $item->get_id() ] = $item;
+        $items[$item->get_id()] = $item;
 
-        $this->set_prop( 'items', $items );
+        $this->set_prop('items', $items);
 		return true;
     }
 
@@ -3006,9 +3006,9 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function get_item( $item_id ) {
+	public function get_item($item_id) {
         $items = $this->get_items();
-		return ( ! empty( $item_id ) && isset( $items[ $item_id ] ) ) ? $items[ $item_id ] : null;
+		return (!empty($item_id) && isset($items[$item_id])) ? $items[$item_id] : null;
     }
 
     /**
@@ -3016,16 +3016,16 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function remove_item( $item_id ) {
+	public function remove_item($item_id) {
         $items = $this->get_items();
 
-        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);
         }
     }
 
@@ -3036,27 +3036,27 @@ 
      * @param float $value
      * @return WP_Error|Bool
      */
-    public function add_fee( $fee, $value, $recurring = false ) {
+    public function add_fee($fee, $value, $recurring = false) {
 
-        $amount = wpinv_sanitize_amount( $value );
+        $amount = wpinv_sanitize_amount($value);
         $fees   = $this->get_fees();
 
-        if ( isset( $fees[ $fee ] ) && isset( $fees[ $fee ]['amount'] ) ) {
+        if (isset($fees[$fee]) && isset($fees[$fee]['amount'])) {
 
-            $amount = $fees[ $fee ]['amount'] += $amount;
-			$fees[ $fee ] = array(
+            $amount = $fees[$fee]['amount'] += $amount;
+			$fees[$fee] = array(
                 'amount'    => $amount,
                 'recurring' => (bool) $recurring,
             );
 
 		} else {
-			$fees[ $fee ] = array(
+			$fees[$fee] = array(
                 'amount'    => $amount,
                 'recurring' => (bool) $recurring,
             );
 		}
 
-        $this->set_prop( 'fees', $fee );
+        $this->set_prop('fees', $fee);
 
     }
 
@@ -3065,9 +3065,9 @@ 
 	 *
 	 * @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;
     }
 
     /**
@@ -3075,11 +3075,11 @@ 
 	 *
 	 * @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);
         }
     }
 
@@ -3090,27 +3090,27 @@ 
      * @param float $value
      * @return WP_Error|Bool
      */
-    public function add_discount( $discount, $value, $recurring = false ) {
+    public function add_discount($discount, $value, $recurring = false) {
 
-        $amount    = wpinv_sanitize_amount( $value );
+        $amount    = wpinv_sanitize_amount($value);
         $discounts = $this->get_discounts();
 
-        if ( isset( $discounts[ $discount ] ) && isset( $discounts[ $discount ]['amount'] ) ) {
+        if (isset($discounts[$discount]) && isset($discounts[$discount]['amount'])) {
 
-            $amount = $discounts[ $discount ]['amount'] += $amount;
-			$discounts[ $discount ] = array(
+            $amount = $discounts[$discount]['amount'] += $amount;
+			$discounts[$discount] = array(
                 'amount'    => $amount,
                 'recurring' => (bool) $recurring,
             );
 
 		} else {
-			$discounts[ $discount ] = array(
+			$discounts[$discount] = array(
                 'amount'    => $amount,
                 'recurring' => (bool) $recurring,
             );
 		}
 
-        $this->set_prop( 'discounts', $discount );
+        $this->set_prop('discounts', $discount);
 
     }
 
@@ -3119,15 +3119,15 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	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;
     }
 
     /**
@@ -3135,11 +3135,11 @@ 
 	 *
 	 * @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);
         }
     }
 
@@ -3149,31 +3149,31 @@ 
      * @param string $tax
      * @param float $value
      */
-    public function add_tax( $tax, $value, $recurring = true ) {
+    public function add_tax($tax, $value, $recurring = true) {
 
-        if ( ! $this->is_taxable() ) {
+        if (!$this->is_taxable()) {
             return;
         }
 
-        $amount    = wpinv_sanitize_amount( $value );
+        $amount    = wpinv_sanitize_amount($value);
         $taxes     = $this->get_taxes();
 
-        if ( isset( $taxes[ $tax ] ) && isset( $taxes[ $tax ]['amount'] ) ) {
+        if (isset($taxes[$tax]) && isset($taxes[$tax]['amount'])) {
 
-            $amount = $taxes[ $tax ]['amount'] += $amount;
-			$taxes[ $tax ] = array(
+            $amount = $taxes[$tax]['amount'] += $amount;
+			$taxes[$tax] = array(
                 'amount'    => $amount,
                 'recurring' => (bool) $recurring,
             );
 
 		} else {
-			$taxes[ $tax ] = array(
+			$taxes[$tax] = array(
                 'amount'    => $amount,
                 'recurring' => (bool) $recurring,
             );
 		}
 
-        $this->set_prop( 'taxes', $tax );
+        $this->set_prop('taxes', $tax);
 
     }
 
@@ -3182,9 +3182,9 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function get_tax( $tax ) {
+	public function get_tax($tax) {
         $taxes = $this->get_taxes();
-		return isset( $taxes[ $tax ] ) ? $taxes[ $tax ] : null;
+		return isset($taxes[$tax]) ? $taxes[$tax] : null;
     }
 
     /**
@@ -3192,11 +3192,11 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function remove_tax( $tax ) {
+	public function remove_tax($tax) {
         $taxes = $this->get_discounts();
-        if ( isset( $taxes[ $tax ] ) ) {
-            unset( $taxes[ $tax ] );
-            $this->set_prop( 'taxes', $taxes );
+        if (isset($taxes[$tax])) {
+            unset($taxes[$tax]);
+            $this->set_prop('taxes', $taxes);
         }
     }
 
@@ -3207,19 +3207,19 @@ 
 	 * @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();
         }
 
-		if ( $this->is_renewal() ) {
-			$this->set_subtotal( $recurring );
+		if ($this->is_renewal()) {
+			$this->set_subtotal($recurring);
 		} else {
-			$this->set_subtotal( $subtotal );
+			$this->set_subtotal($subtotal);
 		}
 
 		$this->totals['subtotal'] = array(
@@ -3241,9 +3241,9 @@ 
 		$discount  = 0;
 		$recurring = 0;
 
-        foreach ( $discounts as $data ) {
+        foreach ($discounts as $data) {
 
-			if ( $data['recurring'] ) {
+			if ($data['recurring']) {
 				$recurring += $data['amount'];
 			} else {
 				$discount += $data['amount'];
@@ -3251,10 +3251,10 @@ 
 
 		}
 
-		if ( $this->is_renewal() ) {
-			$this->set_total_discount( $recurring );
+		if ($this->is_renewal()) {
+			$this->set_total_discount($recurring);
 		} else {
-			$this->set_total_discount( $discount );
+			$this->set_total_discount($discount);
 		}
 
 		$this->totals['discount'] = array(
@@ -3273,13 +3273,13 @@ 
 	 * @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 $data ) {
+        foreach ($taxes as $data) {
 
-			if ( $data['recurring'] ) {
+			if ($data['recurring']) {
 				$recurring += $data['amount'];
 			} else {
 				$tax += $data['amount'];
@@ -3287,10 +3287,10 @@ 
 
 		}
 
-		if ( $this->is_renewal() ) {
-			$this->set_total_tax( $recurring );
+		if ($this->is_renewal()) {
+			$this->set_total_tax($recurring);
 		} else {
-			$this->set_total_tax( $tax );
+			$this->set_total_tax($tax);
 		}
 
 		$this->totals['tax'] = array(
@@ -3313,9 +3313,9 @@ 
 		$fee       = 0;
 		$recurring = 0;
 
-        foreach ( $fees as $data ) {
+        foreach ($fees as $data) {
 
-			if ( $data['recurring'] ) {
+			if ($data['recurring']) {
 				$recurring += $data['amount'];
 			} else {
 				$fee += $data['amount'];
@@ -3323,10 +3323,10 @@ 
 
 		}
 
-        if ( $this->is_renewal() ) {
-			$this->set_total_fees( $recurring );
+        if ($this->is_renewal()) {
+			$this->set_total_fees($recurring);
 		} else {
-			$this->set_total_fees( $fee );
+			$this->set_total_fees($fee);
 		}
 
 		$this->totals['fee'] = array(
@@ -3334,7 +3334,7 @@ 
 			'recurring' => $recurring,
 		);
 
-        $this->set_total_fees( $fee );
+        $this->set_total_fees($fee);
         return $this->is_renewal() ? $recurring : $fee;
     }
 
@@ -3355,9 +3355,9 @@ 
 	/**
 	 * @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;
     }
 
@@ -3374,33 +3374,33 @@ 
      * @param string $note The note being added.
      *
      */
-    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 || $this->get_id() == 0 ) {
+        if (!$note || $this->get_id() == 0) {
             return false;
         }
 
-        if ( ( ( is_user_logged_in() && wpinv_current_user_can_manage_invoicing() ) || $added_by_user ) && !$system ) {
-            $user                 = get_user_by( 'id', get_current_user_id() );
+        if (((is_user_logged_in() && wpinv_current_user_can_manage_invoicing()) || $added_by_user) && !$system) {
+            $user                 = get_user_by('id', get_current_user_id());
             $comment_author       = $user->display_name;
             $comment_author_email = $user->user_email;
         } else {
             $comment_author       = 'System';
             $comment_author_email = 'system@';
-            $comment_author_email .= isset( $_SERVER['HTTP_HOST'] ) ? str_replace( 'www.', '', $_SERVER['HTTP_HOST'] ) : 'noreply.com';
-            $comment_author_email = sanitize_email( $comment_author_email );
+            $comment_author_email .= isset($_SERVER['HTTP_HOST']) ? str_replace('www.', '', $_SERVER['HTTP_HOST']) : 'noreply.com';
+            $comment_author_email = sanitize_email($comment_author_email);
         }
 
-        do_action( 'wpinv_pre_insert_invoice_note', $this->get_id(), $note, $customer_type );
+        do_action('wpinv_pre_insert_invoice_note', $this->get_id(), $note, $customer_type);
 
-        $note_id = wp_insert_comment( wp_filter_comment( array(
+        $note_id = wp_insert_comment(wp_filter_comment(array(
             'comment_post_ID'      => $this->get_id(),
             'comment_content'      => $note,
             'comment_agent'        => 'GetPaid',
             'user_id'              => is_admin() ? get_current_user_id() : 0,
-            'comment_date'         => current_time( 'mysql' ),
-            'comment_date_gmt'     => current_time( 'mysql', 1 ),
+            'comment_date'         => current_time('mysql'),
+            'comment_date_gmt'     => current_time('mysql', 1),
             'comment_approved'     => 1,
             'comment_parent'       => 0,
             'comment_author'       => $comment_author,
@@ -3408,13 +3408,13 @@ 
             'comment_author_url'   => '',
             'comment_author_email' => $comment_author_email,
             'comment_type'         => 'wpinv_note'
-        ) ) );
+        )));
 
-        do_action( 'wpinv_insert_payment_note', $note_id, $this->get_id(), $note );
+        do_action('wpinv_insert_payment_note', $note_id, $this->get_id(), $note);
 
-        if ( $customer_type ) {
-            add_comment_meta( $note_id, '_wpi_customer_note', 1 );
-            do_action( 'wpinv_new_customer_note', array( 'invoice_id' => $this->get_id(), 'user_note' => $note ) );
+        if ($customer_type) {
+            add_comment_meta($note_id, '_wpi_customer_note', 1);
+            do_action('wpinv_new_customer_note', array('invoice_id' => $this->get_id(), 'user_note' => $note));
         }
 
         return $note_id;
@@ -3423,10 +3423,10 @@ 
 	/**
      * 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(
-            md5( $this->get_id() . $string . date( 'Y-m-d H:i:s' ) . $auth_key . uniqid( 'wpinv', true ) )
+            md5($this->get_id() . $string . date('Y-m-d H:i:s') . $auth_key . uniqid('wpinv', true))
         );
     }
 
@@ -3436,12 +3436,12 @@ 
     public function generate_number() {
         $number = $this->get_id();
 
-        if ( $this->has_status( 'auto-draft' ) && wpinv_sequential_number_active( $this->post_type ) ) {
-            $next_number = wpinv_get_next_invoice_number( $this->post_type );
+        if ($this->has_status('auto-draft') && wpinv_sequential_number_active($this->post_type)) {
+            $next_number = wpinv_get_next_invoice_number($this->post_type);
             $number      = $next_number;
         }
 
-		$number = wpinv_format_invoice_number( $number, $this->post_type );
+		$number = wpinv_format_invoice_number($number, $this->post_type);
 
 		return $number;
 	}
@@ -3455,47 +3455,47 @@ 
 		// 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->get_id(), $this, $status_transition );
+				do_action('getpaid_invoice_status_' . $status_transition['to'], $this->get_id(), $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->get_id(), $this );
-					do_action( 'getpaid_invoice_status_changed', $this->get_id(), $status_transition['from'], $status_transition['to'], $this );
+					do_action('getpaid_invoice_status_' . $status_transition['from'] . '_to_' . $status_transition['to'], $this->get_id(), $this);
+					do_action('getpaid_invoice_status_changed', $this->get_id(), $status_transition['from'], $status_transition['to'], $this);
 
 					// @deprecated this is deprecated and will be removed in the future.
-					do_action( 'wpinv_status_' . $status_transition['from'] . '_to_' . $status_transition['to'], $this->ID, $status_transition['from'] );
+					do_action('wpinv_status_' . $status_transition['from'] . '_to_' . $status_transition['to'], $this->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' ), 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'), true)
+						&& in_array($status_transition['to'], array('publish', 'wpi-processing', 'wpi-renewal'), true)
 					) {
-						do_action( 'getpaid_invoice_payment_status_changed', $this->get_id(), $this, $status_transition );
+						do_action('getpaid_invoice_payment_status_changed', $this->get_id(), $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());
 			}
 		}
 	}
@@ -3503,13 +3503,13 @@ 
 	/**
 	 * 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->ID, $new_status, $this->get_status( 'edit' ) );
+		do_action('wpinv_before_invoice_status_change', $this->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();
@@ -3520,18 +3520,18 @@ 
 	 * @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();
 		}
 
@@ -3545,11 +3545,11 @@ 
 
         $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();
@@ -3560,7 +3560,7 @@ 
 	 * Refunds an invoice.
 	 */
     public function refund() {
-		$this->set_status( 'wpi-refunded' );
+		$this->set_status('wpi-refunded');
         $this->save();
     }