AyeCode / invoicing

includes/admin/class-wpinv-admin-menus.php

Indentation +6 added lines, -6 removed lines

@@ -24,14 +24,14 @@
     }
 
     /**
-	 * Highlights sub menus.
-	 */
-	public function set_admin_menu_class() {
-		global $current_screen, $parent_file, $submenu_file;
+     * Highlights sub menus.
+     */
+    public function set_admin_menu_class() {
+        global $current_screen, $parent_file, $submenu_file;
 
         if ( ! empty( $current_screen->id ) && in_array( $current_screen->id , array( 'wpi_discount', 'wpi_payment_form', 'wpi_invoice' ) ) ) {
-			$parent_file = 'wpinv';
-			$submenu_file = 'edit.php?post_type=' . $current_screen->id;
+            $parent_file = 'wpinv';
+            $submenu_file = 'edit.php?post_type=' . $current_screen->id;
         }
 
     }

Spacing +82 added lines, -82 removed lines

@@ -3,7 +3,7 @@ 
  * Setup menus in WP admin.
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * WC_Admin_Menus Class.
@@ -13,14 +13,14 @@ 
      * Hook in tabs.
      */
     public function __construct() {
-        add_action( 'admin_head', array( $this, 'set_admin_menu_class' ) );
-        add_action( 'admin_menu', array( $this, 'admin_menu' ), 10 );
-        add_action( 'admin_menu', array( $this, 'add_customers_menu' ), 18 );
-        add_action( 'admin_menu', array( $this, 'add_subscriptions_menu' ), 40 );
-        add_action( 'admin_menu', array( $this, 'add_addons_menu' ), 100 );
-        add_action( 'admin_menu', array( $this, 'add_settings_menu' ), 60 );
-        add_action( 'admin_menu', array( $this, 'remove_admin_submenus' ), 10 );
-        add_action( 'admin_head-nav-menus.php', array( $this, 'add_nav_menu_meta_boxes' ) );
+        add_action('admin_head', array($this, 'set_admin_menu_class'));
+        add_action('admin_menu', array($this, 'admin_menu'), 10);
+        add_action('admin_menu', array($this, 'add_customers_menu'), 18);
+        add_action('admin_menu', array($this, 'add_subscriptions_menu'), 40);
+        add_action('admin_menu', array($this, 'add_addons_menu'), 100);
+        add_action('admin_menu', array($this, 'add_settings_menu'), 60);
+        add_action('admin_menu', array($this, 'remove_admin_submenus'), 10);
+        add_action('admin_head-nav-menus.php', array($this, 'add_nav_menu_meta_boxes'));
     }
 
     /**
@@ -29,7 +29,7 @@ 
 	public function set_admin_menu_class() {
 		global $current_screen, $parent_file, $submenu_file;
 
-        if ( ! empty( $current_screen->id ) && in_array( $current_screen->id , array( 'wpi_discount', 'wpi_payment_form', 'wpi_invoice' ) ) ) {
+        if (!empty($current_screen->id) && in_array($current_screen->id, array('wpi_discount', 'wpi_payment_form', 'wpi_invoice'))) {
 			$parent_file = 'wpinv';
 			$submenu_file = 'edit.php?post_type=' . $current_screen->id;
         }
@@ -38,14 +38,14 @@ 
 
     public function admin_menu() {
 
-        $capability = apply_filters( 'invoicing_capability', wpinv_get_capability() );
+        $capability = apply_filters('invoicing_capability', wpinv_get_capability());
         add_menu_page(
-            __( 'GetPaid', 'invoicing' ),
-            __( 'GetPaid', 'invoicing' ),
+            __('GetPaid', 'invoicing'),
+            __('GetPaid', 'invoicing'),
             $capability,
             'wpinv',
             null,
-            'data:image/svg+xml;base64,' . base64_encode( file_get_contents( WPINV_PLUGIN_DIR . 'assets/images/GetPaid.svg' ) ),
+            'data:image/svg+xml;base64,' . base64_encode(file_get_contents(WPINV_PLUGIN_DIR . 'assets/images/GetPaid.svg')),
             '54.123460'
         );
 
@@ -57,11 +57,11 @@ 
     public function add_customers_menu() {
         add_submenu_page(
             'wpinv',
-            __( 'Customers', 'invoicing' ),
-            __( 'Customers', 'invoicing' ),
+            __('Customers', 'invoicing'),
+            __('Customers', 'invoicing'),
             wpinv_get_capability(),
             'wpinv-customers',
-            array( $this, 'customers_page' )
+            array($this, 'customers_page')
         );
     }
 
@@ -71,8 +71,8 @@ 
     public function add_subscriptions_menu() {
         add_submenu_page(
             'wpinv',
-            __( 'Subscriptions', 'invoicing' ),
-            __( 'Subscriptions', 'invoicing' ),
+            __('Subscriptions', 'invoicing'),
+            __('Subscriptions', 'invoicing'),
             wpinv_get_capability(),
             'wpinv-subscriptions',
             'wpinv_subscriptions_page'
@@ -83,7 +83,7 @@ 
      * Displays the customers page.
      */
     public function customers_page() {
-        require_once( WPINV_PLUGIN_DIR . 'includes/admin/class-wpinv-customers-table.php' );
+        require_once(WPINV_PLUGIN_DIR . 'includes/admin/class-wpinv-customers-table.php');
         ?>
         <div class="wrap wpi-customers-wrap">
             <style>
@@ -91,12 +91,12 @@ 
                     width: 30%;
                 }
             </style>
-            <h1><?php echo esc_html( __( 'Customers', 'invoicing' ) ); ?>&nbsp;<a href="<?php echo wp_nonce_url( add_query_arg( 'getpaid-admin-action', 'download_customers' ), 'getpaid-nonce', 'getpaid-nonce' ); ?>" class="page-title-action"><?php _e( 'Export', 'invoicing' ); ?></a></h1>
+            <h1><?php echo esc_html(__('Customers', 'invoicing')); ?>&nbsp;<a href="<?php echo wp_nonce_url(add_query_arg('getpaid-admin-action', 'download_customers'), 'getpaid-nonce', 'getpaid-nonce'); ?>" class="page-title-action"><?php _e('Export', 'invoicing'); ?></a></h1>
             <form method="post">
             <?php
                 $table = new WPInv_Customers_Table();
                 $table->prepare_items();
-                $table->search_box( __( 'Search Customers', 'invoicing' ), 'search-customers' );
+                $table->search_box(__('Search Customers', 'invoicing'), 'search-customers');
                 $table->display();
             ?>
             </form>
@@ -110,16 +110,16 @@ 
     public function add_settings_menu() {
         add_submenu_page(
             'wpinv',
-            __( 'Invoice Settings', 'invoicing' ),
-            __( 'Settings', 'invoicing' ),
-            apply_filters( 'invoicing_capability', wpinv_get_capability() ),
+            __('Invoice Settings', 'invoicing'),
+            __('Settings', 'invoicing'),
+            apply_filters('invoicing_capability', wpinv_get_capability()),
             'wpinv-settings',
-            array( $this, 'options_page' )
+            array($this, 'options_page')
         );
     }
 
-    public function add_addons_menu(){
-        if ( !apply_filters( 'wpi_show_addons_page', true ) ) {
+    public function add_addons_menu() {
+        if (!apply_filters('wpi_show_addons_page', true)) {
             return;
         }
 
@@ -129,78 +129,78 @@ 
             __('Extensions', 'invoicing'),
             'manage_options',
             'wpi-addons',
-            array( $this, 'addons_page' )
+            array($this, 'addons_page')
         );
     }
 
-    public function addons_page(){
+    public function addons_page() {
         $addon_obj = new WPInv_Admin_Addons();
         $addon_obj->output();
     }
 
     function options_page() {
 
-        if ( ! wpinv_current_user_can_manage_invoicing() ) {
+        if (!wpinv_current_user_can_manage_invoicing()) {
             return;
         }
 
         $settings_tabs = wpinv_get_settings_tabs();
         $settings_tabs = empty($settings_tabs) ? array() : $settings_tabs;
-        $active_tab    = isset( $_GET['tab'] ) && array_key_exists( $_GET['tab'], $settings_tabs ) ? esc_html( $_GET['tab'] ) : 'general';
-        $sections      = wpinv_get_settings_tab_sections( $active_tab );
+        $active_tab    = isset($_GET['tab']) && array_key_exists($_GET['tab'], $settings_tabs) ? esc_html($_GET['tab']) : 'general';
+        $sections      = wpinv_get_settings_tab_sections($active_tab);
         $key           = 'main';
 
-        if ( is_array( $sections ) ) {
-            $key = key( $sections );
+        if (is_array($sections)) {
+            $key = key($sections);
         }
 
         add_thickbox();
 
-        $registered_sections = wpinv_get_settings_tab_sections( $active_tab );
-        $section             = isset( $_GET['section'] ) && ! empty( $registered_sections ) && array_key_exists( $_GET['section'], $registered_sections ) ? $_GET['section'] : $key;
+        $registered_sections = wpinv_get_settings_tab_sections($active_tab);
+        $section             = isset($_GET['section']) && !empty($registered_sections) && array_key_exists($_GET['section'], $registered_sections) ? $_GET['section'] : $key;
         ?>
         <div class="wrap">
             <h1 class="nav-tab-wrapper">
                 <?php
-                foreach( wpinv_get_settings_tabs() as $tab_id => $tab_name ) {
-                    $tab_url = add_query_arg( array(
+                foreach (wpinv_get_settings_tabs() as $tab_id => $tab_name) {
+                    $tab_url = add_query_arg(array(
                         'settings-updated' => false,
                         'tab' => $tab_id,
-                    ), 'admin.php?page=wpinv-settings' );
+                    ), 'admin.php?page=wpinv-settings');
 
                     // Remove the section from the tabs so we always end up at the main section
-                    $tab_url = remove_query_arg( 'section', $tab_url );
-                    $tab_url = remove_query_arg( 'wpi_sub', $tab_url );
+                    $tab_url = remove_query_arg('section', $tab_url);
+                    $tab_url = remove_query_arg('wpi_sub', $tab_url);
 
                     $active = $active_tab == $tab_id ? ' nav-tab-active' : '';
 
-                    echo '<a href="' . esc_url( $tab_url ) . '" title="' . esc_attr( $tab_name ) . '" class="nav-tab' . $active . '">';
-                    echo esc_html( $tab_name );
+                    echo '<a href="' . esc_url($tab_url) . '" title="' . esc_attr($tab_name) . '" class="nav-tab' . $active . '">';
+                    echo esc_html($tab_name);
                     echo '</a>';
                 }
                 ?>
             </h1>
             <?php
-            $number_of_sections = count( $sections );
+            $number_of_sections = count($sections);
             $number = 0;
-            if ( $number_of_sections > 1 ) {
+            if ($number_of_sections > 1) {
                 echo '<div><ul class="subsubsub">';
-                foreach( $sections as $section_id => $section_name ) {
+                foreach ($sections as $section_id => $section_name) {
                     echo '<li>';
                     $number++;
-                    $tab_url = add_query_arg( array(
+                    $tab_url = add_query_arg(array(
                         'settings-updated' => false,
                         'tab' => $active_tab,
                         'section' => $section_id
-                    ), admin_url( 'admin.php?page=wpinv-settings' ) );
-                    $tab_url = remove_query_arg( 'wpi_sub', $tab_url );
+                    ), admin_url('admin.php?page=wpinv-settings'));
+                    $tab_url = remove_query_arg('wpi_sub', $tab_url);
                     $class = '';
-                    if ( $section == $section_id ) {
+                    if ($section == $section_id) {
                         $class = 'current';
                     }
-                    echo '<a class="' . $class . '" href="' . esc_url( $tab_url ) . '">' . $section_name . '</a>';
+                    echo '<a class="' . $class . '" href="' . esc_url($tab_url) . '">' . $section_name . '</a>';
 
-                    if ( $number != $number_of_sections ) {
+                    if ($number != $number_of_sections) {
                         echo ' | ';
                     }
                     echo '</li>';
@@ -212,20 +212,20 @@ 
                 <form method="post" action="options.php">
                     <table class="form-table">
                         <?php
-                        settings_fields( 'wpinv_settings' );
+                        settings_fields('wpinv_settings');
 
-                        if ( 'main' === $section ) {
-                            do_action( 'wpinv_settings_tab_top', $active_tab );
+                        if ('main' === $section) {
+                            do_action('wpinv_settings_tab_top', $active_tab);
                         }
 
-                        do_action( 'wpinv_settings_tab_top_' . $active_tab . '_' . $section, $active_tab, $section );
-                        do_settings_sections( 'wpinv_settings_' . $active_tab . '_' . $section, $active_tab, $section );
-                        do_action( 'wpinv_settings_tab_bottom_' . $active_tab . '_' . $section, $active_tab, $section );
-                        do_action( 'getpaid_settings_tab_bottom', $active_tab, $section );
+                        do_action('wpinv_settings_tab_top_' . $active_tab . '_' . $section, $active_tab, $section);
+                        do_settings_sections('wpinv_settings_' . $active_tab . '_' . $section, $active_tab, $section);
+                        do_action('wpinv_settings_tab_bottom_' . $active_tab . '_' . $section, $active_tab, $section);
+                        do_action('getpaid_settings_tab_bottom', $active_tab, $section);
 
                         // For backwards compatibility
-                        if ( 'main' === $section ) {
-                            do_action( 'wpinv_settings_tab_bottom', $active_tab );
+                        if ('main' === $section) {
+                            do_action('wpinv_settings_tab_bottom', $active_tab);
                         }
                         ?>
                     </table>
@@ -237,7 +237,7 @@ 
     }
 
     public function remove_admin_submenus() {
-        remove_submenu_page( 'edit.php?post_type=wpi_invoice', 'post-new.php?post_type=wpi_invoice' );
+        remove_submenu_page('edit.php?post_type=wpi_invoice', 'post-new.php?post_type=wpi_invoice');
     }
 
     /**
@@ -247,8 +247,8 @@ 
 
         add_meta_box(
             'wpinv_endpoints_nav_link',
-            __( 'GetPaid endpoints', 'invoicing' ),
-            array( $this, 'nav_menu_links' ),
+            __('GetPaid endpoints', 'invoicing'),
+            array($this, 'nav_menu_links'),
             'nav-menus',
             'side',
             'low'
@@ -263,12 +263,12 @@ 
         $endpoints = $this->get_menu_items();
         ?>
         <div id="invoicing-endpoints" class="posttypediv">
-            <?php if ( ! empty( $endpoints['pages'] ) ) : ?>
+            <?php if (!empty($endpoints['pages'])) : ?>
                 <div id="tabs-panel-invoicing-endpoints" class="tabs-panel tabs-panel-active">
                     <ul id="invoicing-endpoints-checklist" class="categorychecklist form-no-clear">
                         <?php
-                            $walker = new Walker_Nav_Menu_Checklist( array() );
-                            echo walk_nav_menu_tree( array_map( 'wp_setup_nav_menu_item', $endpoints['pages'] ), 0, (object) array( 'walker' => $walker ) );
+                            $walker = new Walker_Nav_Menu_Checklist(array());
+                            echo walk_nav_menu_tree(array_map('wp_setup_nav_menu_item', $endpoints['pages']), 0, (object) array('walker' => $walker));
                         ?>
                     </ul>
                 </div>
@@ -277,11 +277,11 @@ 
             <p class="button-controls wp-clearfix" data-items-type="invoicing-endpoints">
                 <span class="list-controls hide-if-no-js">
                     <input type="checkbox" id="invoicing-endpoints-tab" class="select-all">
-                    <label for="invoicing-endpoints-tab"><?php _e( 'Select all', 'invoicing' ); ?></label>
+                    <label for="invoicing-endpoints-tab"><?php _e('Select all', 'invoicing'); ?></label>
                 </span>
 
                 <span class="add-to-menu">
-                    <input type="submit" class="button submit-add-to-menu right" value="<?php esc_attr_e( 'Add to menu', 'invoicing' ); ?>" name="add-invoicing-endpoints-item" id="submit-invoicing-endpoints">
+                    <input type="submit" class="button submit-add-to-menu right" value="<?php esc_attr_e('Add to menu', 'invoicing'); ?>" name="add-invoicing-endpoints-item" id="submit-invoicing-endpoints">
                     <span class="spinner"></span>
                 </span>
             </p>
@@ -294,35 +294,35 @@ 
      *
      * @return array.
      */
-    public function get_menu_items(){
+    public function get_menu_items() {
         $items = array();
 
         $pages = array(
             array(
-                'id'    => wpinv_get_option( 'invoice_history_page' ),
-                'label' => __( 'My Invoices', 'invoicing' ),
+                'id'    => wpinv_get_option('invoice_history_page'),
+                'label' => __('My Invoices', 'invoicing'),
             ),
             array(
-                'id'    => wpinv_get_option( 'invoice_subscription_page' ),
-                'label' => __( 'My Subscriptions', 'invoicing' ),
+                'id'    => wpinv_get_option('invoice_subscription_page'),
+                'label' => __('My Subscriptions', 'invoicing'),
             )
         );
 
-        foreach ( apply_filters( 'getpaid_menu_pages', $pages ) as $page ) {
+        foreach (apply_filters('getpaid_menu_pages', $pages) as $page) {
 
-            if ( (int) $page['id'] > 0 ) {
+            if ((int) $page['id'] > 0) {
 
                 $item                   = new stdClass();
                 $item->object_id        = (int) $page['id'];
                 $item->db_id            = 0;
-                $item->object           =  'page';
+                $item->object           = 'page';
                 $item->menu_item_parent = 0;
                 $item->type             = 'post_type';
-                $item->title            = esc_html( $page['label'] );
-                $item->url              = get_permalink( (int) $page['id'] );
+                $item->title            = esc_html($page['label']);
+                $item->url              = get_permalink((int) $page['id']);
                 $item->target           = '';
                 $item->attr_title       = '';
-                $item->classes          = array( 'wpinv-menu-item' );
+                $item->classes          = array('wpinv-menu-item');
                 $item->xfn              = '';
 
                 $items['pages'][]       = $item;
@@ -331,7 +331,7 @@ 
 
         }
 
-        return apply_filters( 'wpinv_menu_items', $items );
+        return apply_filters('wpinv_menu_items', $items);
     }
 
 }

templates/payment-forms-admin/edit/pay_button.php

Spacing +18 added lines, -18 removed lines

@@ -7,45 +7,45 @@
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 ?>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Button Text', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Button Text', 'invoicing'); ?></span>
         <input v-model='active_form_element.label' class='form-control' type="text"/>
-        <small class="form-text text-muted"><?php _e( '%price% will be replaced by the total payable amount', 'invoicing' ); ?></small>
+        <small class="form-text text-muted"><?php _e('%price% will be replaced by the total payable amount', 'invoicing'); ?></small>
     </label>
 </div>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Free Checkout Text', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Free Checkout Text', 'invoicing'); ?></span>
         <input v-model='active_form_element.free' class='form-control' type="text"/>
-        <small class="form-text text-muted"><?php _e( 'The text to display if the total payable amount is zero', 'invoicing' ); ?></small>
+        <small class="form-text text-muted"><?php _e('The text to display if the total payable amount is zero', 'invoicing'); ?></small>
     </label>
 </div>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Help Text', 'invoicing' ); ?></span>
-        <textarea placeholder='<?php esc_attr_e( 'Add some help text for this field', 'invoicing' ); ?>' v-model='active_form_element.description' class='form-control' rows='3'></textarea>
-        <small class="form-text text-muted"><?php _e( 'HTML is allowed', 'invoicing' ); ?></small>
+        <span><?php esc_html_e('Help Text', 'invoicing'); ?></span>
+        <textarea placeholder='<?php esc_attr_e('Add some help text for this field', 'invoicing'); ?>' v-model='active_form_element.description' class='form-control' rows='3'></textarea>
+        <small class="form-text text-muted"><?php _e('HTML is allowed', 'invoicing'); ?></small>
     </label>
 </div>
 
 <div class='form-group'>
-    <label :for="active_form_element.id + '_edit_type'"><?php esc_html_e( 'Button Type', 'invoicing' ) ?></label>
+    <label :for="active_form_element.id + '_edit_type'"><?php esc_html_e('Button Type', 'invoicing') ?></label>
     <select class='form-control custom-select' :id="active_form_element.id + '_edit_type'" v-model='active_form_element.class'>
-        <option value='btn-primary'><?php esc_html_e( 'Primary', 'invoicing' ); ?></option>
-        <option value='btn-secondary'><?php esc_html_e( 'Secondary', 'invoicing' ); ?></option>
-        <option value='btn-success'><?php esc_html_e( 'Success', 'invoicing' ); ?></option>
-        <option value='btn-danger'><?php esc_html_e( 'Danger', 'invoicing' ); ?></option>
-        <option value='btn-warning'><?php esc_html_e( 'Warning', 'invoicing' ); ?></option>
-        <option value='btn-info'><?php esc_html_e( 'Info', 'invoicing' ); ?></option>
-        <option value='btn-light'><?php esc_html_e( 'Light', 'invoicing' ); ?></option>
-        <option value='btn-dark'><?php esc_html_e( 'Dark', 'invoicing' ); ?></option>
-        <option value='btn-link'><?php esc_html_e( 'Link', 'invoicing' ); ?></option>
+        <option value='btn-primary'><?php esc_html_e('Primary', 'invoicing'); ?></option>
+        <option value='btn-secondary'><?php esc_html_e('Secondary', 'invoicing'); ?></option>
+        <option value='btn-success'><?php esc_html_e('Success', 'invoicing'); ?></option>
+        <option value='btn-danger'><?php esc_html_e('Danger', 'invoicing'); ?></option>
+        <option value='btn-warning'><?php esc_html_e('Warning', 'invoicing'); ?></option>
+        <option value='btn-info'><?php esc_html_e('Info', 'invoicing'); ?></option>
+        <option value='btn-light'><?php esc_html_e('Light', 'invoicing'); ?></option>
+        <option value='btn-dark'><?php esc_html_e('Dark', 'invoicing'); ?></option>
+        <option value='btn-link'><?php esc_html_e('Link', 'invoicing'); ?></option>
     </select>
 </div>

templates/payment-forms-admin/edit/discount.php

Spacing +6 added lines, -6 removed lines

@@ -7,28 +7,28 @@
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 ?>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Input Label', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Input Label', 'invoicing'); ?></span>
         <input v-model='active_form_element.input_label' class='form-control' type="text"/>
     </label>
 </div>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Button Label', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Button Label', 'invoicing'); ?></span>
         <input v-model='active_form_element.button_label' class='form-control' type="text"/>
     </label>
 </div>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Help Text', 'invoicing' ); ?></span>
-        <textarea placeholder='<?php esc_attr_e( 'Add some help text for this field', 'invoicing' ); ?>' v-model='active_form_element.description' class='form-control' rows='3'></textarea>
-        <small class="form-text text-muted"><?php _e( 'HTML is allowed', 'invoicing' ); ?></small>
+        <span><?php esc_html_e('Help Text', 'invoicing'); ?></span>
+        <textarea placeholder='<?php esc_attr_e('Add some help text for this field', 'invoicing'); ?>' v-model='active_form_element.description' class='form-control' rows='3'></textarea>
+        <small class="form-text text-muted"><?php _e('HTML is allowed', 'invoicing'); ?></small>
     </label>
 </div>

templates/payment-forms-admin/edit/address.php

Spacing +17 added lines, -17 removed lines

@@ -7,7 +7,7 @@ 
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 ?>
 
@@ -31,45 +31,45 @@ 
 
                 <div class='form-group'>
                     <label class="d-block">
-                        <span><?php esc_html_e( 'Field Label', 'invoicing' ); ?></span>
+                        <span><?php esc_html_e('Field Label', 'invoicing'); ?></span>
                         <input v-model='field.label' class='form-control' type="text"/>
                     </label>
                 </div>
 
                 <div class='form-group'>
                     <label class="d-block">
-                        <span><?php esc_html_e( 'Placeholder text', 'invoicing' ); ?></span>
+                        <span><?php esc_html_e('Placeholder text', 'invoicing'); ?></span>
                         <input v-model='field.placeholder' class='form-control' type="text"/>
                     </label>
                 </div>
 
                 <div class='form-group'>
                     <label class="d-block">
-                        <span><?php esc_html_e( 'Width', 'invoicing' ) ?></span>
+                        <span><?php esc_html_e('Width', 'invoicing') ?></span>
                         <select class='form-control custom-select' v-model='field.grid_width'>
-                            <option value='full'><?php esc_html_e( 'Full Width', 'invoicing' ); ?></option>
-                            <option value='half'><?php esc_html_e( 'Half Width', 'invoicing' ); ?></option>
-                            <option value='third'><?php esc_html_e( '1/3 Width', 'invoicing' ); ?></option>
+                            <option value='full'><?php esc_html_e('Full Width', 'invoicing'); ?></option>
+                            <option value='half'><?php esc_html_e('Half Width', 'invoicing'); ?></option>
+                            <option value='third'><?php esc_html_e('1/3 Width', 'invoicing'); ?></option>
                         </select>
                     </label>
                 </div>
 
                 <div class='form-group'>
                     <label class="d-block">
-                        <span><?php esc_html_e( 'Help Text', 'invoicing' ); ?></span>
-                        <textarea placeholder='<?php esc_attr_e( 'Add some help text for this field', 'invoicing' ); ?>' v-model='field.description' class='form-control' rows='3'></textarea>
-                        <small class="form-text text-muted"><?php _e( 'HTML is allowed', 'invoicing' ); ?></small>
+                        <span><?php esc_html_e('Help Text', 'invoicing'); ?></span>
+                        <textarea placeholder='<?php esc_attr_e('Add some help text for this field', 'invoicing'); ?>' v-model='field.description' class='form-control' rows='3'></textarea>
+                        <small class="form-text text-muted"><?php _e('HTML is allowed', 'invoicing'); ?></small>
                     </label>
                 </div>
 
                 <div class='form-group form-check'>
                     <input :id="active_form_element.id + '_edit_required' + index" v-model='field.required' type='checkbox' class='form-check-input' />
-                    <label class='form-check-label' :for="active_form_element.id + '_edit_required' + index"><?php esc_html_e( 'Is required', 'invoicing' ); ?></label>
+                    <label class='form-check-label' :for="active_form_element.id + '_edit_required' + index"><?php esc_html_e('Is required', 'invoicing'); ?></label>
                 </div>
 
                 <div class='form-group form-check'>
                     <input :id="active_form_element.id + '_edit_visible' + index" v-model='field.visible' type='checkbox' class='form-check-input' />
-                    <label class='form-check-label' :for="active_form_element.id + '_edit_visible' + index"><?php esc_html_e( 'Is visible', 'invoicing' ); ?></label>
+                    <label class='form-check-label' :for="active_form_element.id + '_edit_visible' + index"><?php esc_html_e('Is visible', 'invoicing'); ?></label>
                 </div>
 
             </div>
@@ -82,18 +82,18 @@ 
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Address Type', 'invoicing' ) ?><span>
+        <span><?php esc_html_e('Address Type', 'invoicing') ?><span>
         <select class='form-control custom-select' v-model='active_form_element.address_type'>
-            <option value='billing'><?php esc_html_e( 'Billing', 'invoicing' ); ?></option>
-            <option value='shipping'><?php esc_html_e( 'Shipping', 'invoicing' ); ?></option>
-            <option value='both'><?php esc_html_e( 'Both', 'invoicing' ); ?></option>
+            <option value='billing'><?php esc_html_e('Billing', 'invoicing'); ?></option>
+            <option value='shipping'><?php esc_html_e('Shipping', 'invoicing'); ?></option>
+            <option value='both'><?php esc_html_e('Both', 'invoicing'); ?></option>
         </select>
     </label>
 </div>
 
 <div class='form-group' v-if="active_form_element.address_type == 'both'">
     <label class="d-block">
-        <span><?php esc_html_e( 'Shipping Address Toggle', 'invoicing' ) ?><span>
+        <span><?php esc_html_e('Shipping Address Toggle', 'invoicing') ?><span>
         <input type="text" class='form-control custom-select' v-model='active_form_element.shipping_address_toggle' >
     </label>
 </div>

templates/payment-forms-admin/edit/items.php

Spacing +21 added lines, -21 removed lines

@@ -7,23 +7,23 @@ 
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 ?>
 
 <div v-if="!is_default">
 
     <small class='form-text text-muted mb-2'>
-        <?php esc_html_e( 'This section allows you to add an existing item to the form that users can then buy. If you do not add an item, ensure that you add a price select or input field to the form.', 'invoicing' ); ?>
+        <?php esc_html_e('This section allows you to add an existing item to the form that users can then buy. If you do not add an item, ensure that you add a price select or input field to the form.', 'invoicing'); ?>
     </small>
 
     <label class='form-group'>
         <input v-model='active_form_element.hide_cart' type='checkbox' />
-        <span class='form-check-label'><?php esc_html_e( 'Hide cart details', 'invoicing' ); ?></span>
+        <span class='form-check-label'><?php esc_html_e('Hide cart details', 'invoicing'); ?></span>
     </label>
 
     <div class="mb-1">
-        <?php esc_html_e( 'Form Items', 'invoicing' ); ?>
+        <?php esc_html_e('Form Items', 'invoicing'); ?>
     </div>
 
     <draggable v-model='form_items' group='selectable_form_items'>
@@ -42,22 +42,22 @@ 
                 <div class='p-3'>
 
                     <span class='form-text'>
-                        <a target="_blank" :href="'<?php echo esc_url( admin_url( '/post.php?action=edit&post' ) ) ?>=' + item.id">
-                            <?php _e( 'Edit the item name, price and other details', 'invoicing' ); ?>
+                        <a target="_blank" :href="'<?php echo esc_url(admin_url('/post.php?action=edit&post')) ?>=' + item.id">
+                            <?php _e('Edit the item name, price and other details', 'invoicing'); ?>
                         </a>
                     </span>
 
                     <label class='form-group d-block'>
                         <input v-model='item.allow_quantities' type='checkbox' />
-                        <span><?php _e( 'Allow users to buy several quantities', 'invoicing' ); ?></span>
+                        <span><?php _e('Allow users to buy several quantities', 'invoicing'); ?></span>
                     </label>
 
                     <label class='form-group d-block'>
                         <input v-model='item.required' type='checkbox' />
-                        <span><?php _e( 'This item is required', 'invoicing' ); ?></span>
+                        <span><?php _e('This item is required', 'invoicing'); ?></span>
                     </label>
 
-                    <button type='button' class='button button-link button-link-delete' @click.prevent='removeItem(item)'><?php _e( 'Delete Item', 'invoicing' ); ?></button>
+                    <button type='button' class='button button-link button-link-delete' @click.prevent='removeItem(item)'><?php _e('Delete Item', 'invoicing'); ?></button>
 
                 </div>
             </div>
@@ -65,19 +65,19 @@ 
         </div>
     </draggable>
 
-    <small v-if='! form_items.length' class='form-text text-danger'><?php _e( 'You have not set up any items. Please select an item below or create a new item.', 'invoicing' ); ?></small>
+    <small v-if='! form_items.length' class='form-text text-danger'><?php _e('You have not set up any items. Please select an item below or create a new item.', 'invoicing'); ?></small>
 
     <div class="mt-4 mb-4">
 
         <div class="mb-2">
             <select class='w-100' v-init-item-search>
-                <option value="" selected="selected"><?php _e( 'Select an item to add...', 'invoicing' ) ?></option>
+                <option value="" selected="selected"><?php _e('Select an item to add...', 'invoicing') ?></option>
             </select>
 
         </div>
 
-        <button type="button" @click.prevent='addSelectedItem' class="button button-primary"><?php _e( 'Add Selected Item', 'invoicing' ) ?></button>
-        <a href="<?php echo esc_url( admin_url( 'post-new.php?post_type=wpi_item' ) ); ?>" target="_blank" class="button button-secondary"><?php _e( 'Create New Item.', 'invoicing' ) ?></a>
+        <button type="button" @click.prevent='addSelectedItem' class="button button-primary"><?php _e('Add Selected Item', 'invoicing') ?></button>
+        <a href="<?php echo esc_url(admin_url('post-new.php?post_type=wpi_item')); ?>" target="_blank" class="button button-secondary"><?php _e('Create New Item.', 'invoicing') ?></a>
 
     </div>
 </div>
@@ -86,13 +86,13 @@ 
 
     <label class="w-100 d-block">
 
-        <span><?php esc_html_e( 'Let customers...', 'invoicing' ) ?></span>
+        <span><?php esc_html_e('Let customers...', 'invoicing') ?></span>
 
         <select class='w-100' style="padding: 6px 24px 6px 8px; border-color: #e0e0e0;" v-model='active_form_element.items_type'>
-            <option value='total'><?php _e( 'Buy all items on the list', 'invoicing' ); ?></option>
-            <option value='radio'><?php _e( 'Select a single item from the list', 'invoicing' ); ?></option>
-            <option value='checkbox'><?php _e( 'Select one or more items on the list', 'invoicing' ) ;?></option>
-            <option value='select'><?php _e( 'Select a single item from a dropdown', 'invoicing' ); ?></option>
+            <option value='total'><?php _e('Buy all items on the list', 'invoicing'); ?></option>
+            <option value='radio'><?php _e('Select a single item from the list', 'invoicing'); ?></option>
+            <option value='checkbox'><?php _e('Select one or more items on the list', 'invoicing'); ?></option>
+            <option value='select'><?php _e('Select a single item from a dropdown', 'invoicing'); ?></option>
         </select>
 
     </label>
@@ -101,8 +101,8 @@ 
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Help Text', 'invoicing' ); ?></span>
-        <textarea placeholder='<?php esc_attr_e( 'Add some help text for this field', 'invoicing' ); ?>' v-model='active_form_element.description' class='form-control' rows='3'></textarea>
-        <small class="form-text text-muted"><?php _e( 'HTML is allowed', 'invoicing' ); ?></small>
+        <span><?php esc_html_e('Help Text', 'invoicing'); ?></span>
+        <textarea placeholder='<?php esc_attr_e('Add some help text for this field', 'invoicing'); ?>' v-model='active_form_element.description' class='form-control' rows='3'></textarea>
+        <small class="form-text text-muted"><?php _e('HTML is allowed', 'invoicing'); ?></small>
     </label>
 </div>

templates/payment-forms-admin/edit/paragraph.php

Spacing +3 added lines, -3 removed lines

@@ -7,12 +7,12 @@
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 ?>
 
 <div class='form-group'>
-    <label :for="active_form_element.id + '_edit'"><?php esc_html_e( 'Enter your text', 'invoicing' ) ?></label>
+    <label :for="active_form_element.id + '_edit'"><?php esc_html_e('Enter your text', 'invoicing') ?></label>
     <textarea :id="active_form_element.id + '_edit'" v-model='active_form_element.text' class='form-control' rows='3'></textarea>
-    <small class="form-text text-muted"><?php _e( 'HTML is allowed', 'invoicing' ); ?></small>
+    <small class="form-text text-muted"><?php _e('HTML is allowed', 'invoicing'); ?></small>
 </div>

templates/payment-forms-admin/edit/price_select.php

Spacing +17 added lines, -17 removed lines

@@ -7,54 +7,54 @@ 
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 ?>
 
 <small class='form-text text-muted mb-2'>
-    <?php esc_html_e( 'This amount will be added to the total amount for this form', 'invoicing' ); ?>
+    <?php esc_html_e('This amount will be added to the total amount for this form', 'invoicing'); ?>
 </small>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Field Label', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Field Label', 'invoicing'); ?></span>
         <input v-model='active_form_element.label' class='form-control' />
     </label>
 </div>
 
 <div class='form-group' v-if="active_form_element.select_type=='select'">
     <label class="d-block">
-        <span><?php esc_html_e( 'Placeholder text', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Placeholder text', 'invoicing'); ?></span>
         <input v-model='active_form_element.placeholder' class='form-control' />
     </label>
 </div>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Select Type', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Select Type', 'invoicing'); ?></span>
         <select class='form-control custom-select' v-model='active_form_element.select_type'>
-            <option value='select'><?php esc_html_e( 'Dropdown', 'invoicing' ) ?></option>
-            <option value='checkboxes'><?php esc_html_e( 'Checkboxes', 'invoicing' ) ?></option>
-            <option value='radios'><?php esc_html_e( 'Radio Buttons', 'invoicing' ) ?></option>
-            <option value='buttons'><?php esc_html_e( 'Buttons', 'invoicing' ) ?></option>
-            <option value='circles'><?php esc_html_e( 'Circles', 'invoicing' ) ?></option>
+            <option value='select'><?php esc_html_e('Dropdown', 'invoicing') ?></option>
+            <option value='checkboxes'><?php esc_html_e('Checkboxes', 'invoicing') ?></option>
+            <option value='radios'><?php esc_html_e('Radio Buttons', 'invoicing') ?></option>
+            <option value='buttons'><?php esc_html_e('Buttons', 'invoicing') ?></option>
+            <option value='circles'><?php esc_html_e('Circles', 'invoicing') ?></option>
         </select>
     </label>
 </div>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Options', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Options', 'invoicing'); ?></span>
         <textarea placeholder='Basic|10,Pro|99,Business|199' v-model='active_form_element.options' class='form-control' rows='3'></textarea>
-        <small class='form-text text-muted mb-2'><?php esc_html_e( 'Use commas to separate options and pipes to separate a label and its price. Do not include a currency symbol in the price.', 'invoicing' ); ?></small>
+        <small class='form-text text-muted mb-2'><?php esc_html_e('Use commas to separate options and pipes to separate a label and its price. Do not include a currency symbol in the price.', 'invoicing'); ?></small>
     </label>
 </div>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Help Text', 'invoicing' ); ?></span>
-        <textarea placeholder='<?php esc_attr_e( 'Add some help text for this field', 'invoicing' ); ?>' v-model='active_form_element.description' class='form-control' rows='3'></textarea>
-        <small class="form-text text-muted"><?php _e( 'HTML is allowed', 'invoicing' ); ?></small>
+        <span><?php esc_html_e('Help Text', 'invoicing'); ?></span>
+        <textarea placeholder='<?php esc_attr_e('Add some help text for this field', 'invoicing'); ?>' v-model='active_form_element.description' class='form-control' rows='3'></textarea>
+        <small class="form-text text-muted"><?php _e('HTML is allowed', 'invoicing'); ?></small>
     </label>
 </div>
 
@@ -62,9 +62,9 @@ 
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Email Merge Tag', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Email Merge Tag', 'invoicing'); ?></span>
         <input :value='active_form_element.label | formatMergeTag' class='form-control bg-white' type="text" readonly onclick="this.select()" />
-        <span class="form-text text-muted"><?php esc_html_e( 'You can use this merge tag in notification emails', 'invoicing' ); ?></span>
+        <span class="form-text text-muted"><?php esc_html_e('You can use this merge tag in notification emails', 'invoicing'); ?></span>
     </label>
 </div>
 

templates/payment-forms-admin/edit/price_input.php

Spacing +11 added lines, -11 removed lines

@@ -7,47 +7,47 @@ 
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 ?>
 
 <small class='form-text text-muted mb-2'>
-    <?php esc_html_e( 'The amount that users add to this field will be added to the total amount for this form', 'invoicing' ); ?>
+    <?php esc_html_e('The amount that users add to this field will be added to the total amount for this form', 'invoicing'); ?>
 </small>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Field Label', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Field Label', 'invoicing'); ?></span>
         <input v-model='active_form_element.label' class='form-control' type="text"/>
     </label>
 </div>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Default Amount', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Default Amount', 'invoicing'); ?></span>
         <input v-model='active_form_element.value' class='form-control' type="text"/>
     </label>
 </div>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Minimum Amount', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Minimum Amount', 'invoicing'); ?></span>
         <input v-model='active_form_element.minimum' class='form-control' type="text"/>
     </label>
 </div>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Placeholder text', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Placeholder text', 'invoicing'); ?></span>
         <input v-model='active_form_element.placeholder' class='form-control' type="text"/>
     </label>
 </div>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Help Text', 'invoicing' ); ?></span>
-        <textarea placeholder='<?php esc_attr_e( 'Add some help text for this field', 'invoicing' ); ?>' v-model='active_form_element.description' class='form-control' rows='3'></textarea>
-        <small class="form-text text-muted"><?php _e( 'HTML is allowed', 'invoicing' ); ?></small>
+        <span><?php esc_html_e('Help Text', 'invoicing'); ?></span>
+        <textarea placeholder='<?php esc_attr_e('Add some help text for this field', 'invoicing'); ?>' v-model='active_form_element.description' class='form-control' rows='3'></textarea>
+        <small class="form-text text-muted"><?php _e('HTML is allowed', 'invoicing'); ?></small>
     </label>
 </div>
 
@@ -55,9 +55,9 @@ 
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Email Merge Tag', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Email Merge Tag', 'invoicing'); ?></span>
         <input :value='active_form_element.label | formatMergeTag' class='form-control bg-white' type="text" readonly onclick="this.select()" />
-        <span class="form-text text-muted"><?php esc_html_e( 'You can use this merge tag in notification emails', 'invoicing' ); ?></span>
+        <span class="form-text text-muted"><?php esc_html_e('You can use this merge tag in notification emails', 'invoicing'); ?></span>
     </label>
 </div>
 

includes/gateways/class-getpaid-payment-gateway.php

Indentation +610 added lines, -610 removed lines

@@ -13,464 +13,464 @@ 
  */
 abstract class GetPaid_Payment_Gateway {
 
-	/**
-	 * Set if the place checkout button should be renamed on selection.
-	 *
-	 * @var string
-	 */
-	public $checkout_button_text;
-
-	/**
-	 * Boolean whether the method is enabled.
-	 *
-	 * @var bool
-	 */
-	public $enabled = true;
-
-	/**
-	 * Payment method id.
-	 *
-	 * @var string
-	 */
-	public $id;
-
-	/**
-	 * Payment method order.
-	 *
-	 * @var int
-	 */
-	public $order = 10;
-
-	/**
-	 * Payment method title for the frontend.
-	 *
-	 * @var string
-	 */
-	public $title;
-
-	/**
-	 * Payment method description for the frontend.
-	 *
-	 * @var string
-	 */
-	public $description;
-
-	/**
-	 * Gateway title.
-	 *
-	 * @var string
-	 */
-	public $method_title = '';
-
-	/**
-	 * Gateway description.
-	 *
-	 * @var string
-	 */
-	public $method_description = '';
-
-	/**
-	 * Countries this gateway is allowed for.
-	 *
-	 * @var array
-	 */
-	public $countries;
-
-	/**
-	 * Currencies this gateway is allowed for.
-	 *
-	 * @var array
-	 */
-	public $currencies;
-
-	/**
-	 * Currencies this gateway is not allowed for.
-	 *
-	 * @var array
-	 */
-	public $exclude_currencies;
-
-	/**
-	 * Maximum transaction amount, zero does not define a maximum.
-	 *
-	 * @var int
-	 */
-	public $max_amount = 0;
-
-	/**
-	 * Optional URL to view a transaction.
-	 *
-	 * @var string
-	 */
-	public $view_transaction_url = '';
-
-	/**
-	 * Optional URL to view a subscription.
-	 *
-	 * @var string
-	 */
-	public $view_subscription_url = '';
-
-	/**
-	 * Optional label to show for "new payment method" in the payment
-	 * method/token selection radio selection.
-	 *
-	 * @var string
-	 */
-	public $new_method_label = '';
-
-	/**
-	 * Contains a user's saved tokens for this gateway.
-	 *
-	 * @var array
-	 */
-	protected $tokens = array();
-
-	/**
-	 * An array of features that this gateway supports.
-	 *
-	 * @var array
-	 */
-	protected $supports = array();
-
-	/**
-	 * Class constructor.
-	 */
-	public function __construct() {
-
-		// Register gateway.
-		add_filter( 'wpinv_payment_gateways', array( $this, 'register_gateway' ) );
-
-		$this->enabled = wpinv_is_gateway_active( $this->id );
-
-		// Add support for various features.
-		foreach ( $this->supports as $feature ) {
-			add_filter( "wpinv_{$this->id}_support_{$feature}", '__return_true' );
-			add_filter( "getpaid_{$this->id}_support_{$feature}", '__return_true' );
-			add_filter( "getpaid_{$this->id}_supports_{$feature}", '__return_true' );
-		}
-
-		// Invoice addons.
-		if ( $this->supports( 'addons' ) ) {
-			add_action( "getpaid_process_{$this->id}_invoice_addons", array( $this, 'process_addons' ), 10, 2 );
-		}
-
-		// Gateway settings.
-		add_filter( "wpinv_gateway_settings_{$this->id}", array( $this, 'admin_settings' ) );
+    /**
+     * Set if the place checkout button should be renamed on selection.
+     *
+     * @var string
+     */
+    public $checkout_button_text;
+
+    /**
+     * Boolean whether the method is enabled.
+     *
+     * @var bool
+     */
+    public $enabled = true;
+
+    /**
+     * Payment method id.
+     *
+     * @var string
+     */
+    public $id;
+
+    /**
+     * Payment method order.
+     *
+     * @var int
+     */
+    public $order = 10;
+
+    /**
+     * Payment method title for the frontend.
+     *
+     * @var string
+     */
+    public $title;
+
+    /**
+     * Payment method description for the frontend.
+     *
+     * @var string
+     */
+    public $description;
+
+    /**
+     * Gateway title.
+     *
+     * @var string
+     */
+    public $method_title = '';
+
+    /**
+     * Gateway description.
+     *
+     * @var string
+     */
+    public $method_description = '';
+
+    /**
+     * Countries this gateway is allowed for.
+     *
+     * @var array
+     */
+    public $countries;
+
+    /**
+     * Currencies this gateway is allowed for.
+     *
+     * @var array
+     */
+    public $currencies;
+
+    /**
+     * Currencies this gateway is not allowed for.
+     *
+     * @var array
+     */
+    public $exclude_currencies;
+
+    /**
+     * Maximum transaction amount, zero does not define a maximum.
+     *
+     * @var int
+     */
+    public $max_amount = 0;
+
+    /**
+     * Optional URL to view a transaction.
+     *
+     * @var string
+     */
+    public $view_transaction_url = '';
+
+    /**
+     * Optional URL to view a subscription.
+     *
+     * @var string
+     */
+    public $view_subscription_url = '';
+
+    /**
+     * Optional label to show for "new payment method" in the payment
+     * method/token selection radio selection.
+     *
+     * @var string
+     */
+    public $new_method_label = '';
+
+    /**
+     * Contains a user's saved tokens for this gateway.
+     *
+     * @var array
+     */
+    protected $tokens = array();
+
+    /**
+     * An array of features that this gateway supports.
+     *
+     * @var array
+     */
+    protected $supports = array();
+
+    /**
+     * Class constructor.
+     */
+    public function __construct() {
+
+        // Register gateway.
+        add_filter( 'wpinv_payment_gateways', array( $this, 'register_gateway' ) );
+
+        $this->enabled = wpinv_is_gateway_active( $this->id );
+
+        // Add support for various features.
+        foreach ( $this->supports as $feature ) {
+            add_filter( "wpinv_{$this->id}_support_{$feature}", '__return_true' );
+            add_filter( "getpaid_{$this->id}_support_{$feature}", '__return_true' );
+            add_filter( "getpaid_{$this->id}_supports_{$feature}", '__return_true' );
+        }
+
+        // Invoice addons.
+        if ( $this->supports( 'addons' ) ) {
+            add_action( "getpaid_process_{$this->id}_invoice_addons", array( $this, 'process_addons' ), 10, 2 );
+        }
+
+        // Gateway settings.
+        add_filter( "wpinv_gateway_settings_{$this->id}", array( $this, 'admin_settings' ) );
 		
 
-		// Gateway checkout fiellds.
-		add_action( "wpinv_{$this->id}_cc_form", array( $this, 'payment_fields' ), 10, 2 );
-
-		// Process payment.
-		add_action( "getpaid_gateway_{$this->id}", array( $this, 'process_payment' ), 10, 3 );
-
-		// Change the checkout button text.
-		if ( ! empty( $this->checkout_button_text ) ) {
-			add_filter( "getpaid_gateway_{$this->id}_checkout_button_label", array( $this, 'rename_checkout_button' ) );
-		}
-
-		// Check if a gateway is valid for a given currency.
-		add_filter( "getpaid_gateway_{$this->id}_is_valid_for_currency", array( $this, 'validate_currency' ), 10, 2 );
-
-		// Generate the transaction url.
-		add_filter( "getpaid_gateway_{$this->id}_transaction_url", array( $this, 'filter_transaction_url' ), 10, 2 );
-
-		// Generate the subscription url.
-		add_filter( 'getpaid_remote_subscription_profile_url', array( $this, 'generate_subscription_url' ), 10, 2 );
-
-		// Confirm payments.
-		add_filter( "wpinv_payment_confirm_{$this->id}", array( $this, 'confirm_payment' ), 10, 2 );
-
-		// Verify IPNs.
-		add_action( "wpinv_verify_{$this->id}_ipn", array( $this, 'verify_ipn' ) );
-
-	}
-
-	/**
-	 * Checks if this gateway is a given gateway.
-	 *
-	 * @since 1.0.19
-	 * @return bool
-	 */
-	public function is( $gateway ) {
-		return $gateway == $this->id;
-	}
-
-	/**
-	 * Returns a users saved tokens for this gateway.
-	 *
-	 * @since 1.0.19
-	 * @return array
-	 */
-	public function get_tokens( $sandbox = null ) {
-
-		if ( is_user_logged_in() && $this->supports( 'tokens' ) && 0 == count( $this->tokens ) ) {
-			$tokens = get_user_meta( get_current_user_id(), "getpaid_{$this->id}_tokens", true );
-
-			if ( is_array( $tokens ) ) {
-				$this->tokens = $tokens;
-			}
-
-		}
-
-		if ( ! is_bool( $sandbox ) ) {
-			return $this->tokens;
-		}
-
-		// Filter tokens.
-		$args = array( 'type' => $sandbox ? 'sandbox' : 'live' );
-		return wp_list_filter( $this->tokens, $args );
-
-	}
-
-	/**
-	 * Saves a token for this gateway.
-	 *
-	 * @since 1.0.19
-	 */
-	public function save_token( $token ) {
-
-		$tokens   = $this->get_tokens();
-		$tokens[] = $token;
-
-		update_user_meta( get_current_user_id(), "getpaid_{$this->id}_tokens", $tokens );
-
-		$this->tokens = $tokens;
-
-	}
-
-	/**
-	 * Return the title for admin screens.
-	 *
-	 * @return string
-	 */
-	public function get_method_title() {
-		return apply_filters( 'getpaid_gateway_method_title', $this->method_title, $this );
-	}
-
-	/**
-	 * Return the description for admin screens.
-	 *
-	 * @return string
-	 */
-	public function get_method_description() {
-		return apply_filters( 'getpaid_gateway_method_description', $this->method_description, $this );
-	}
-
-	/**
-	 * Get the success url.
-	 *
-	 * @param WPInv_Invoice $invoice Invoice object.
-	 * @return string
-	 */
-	public function get_return_url( $invoice ) {
-
-		// Payment success url
-		$return_url = add_query_arg(
-			array(
-				'payment-confirm' => $this->id,
-				'invoice_key'     => $invoice->get_key(),
-				'utm_nooverride'  => 1
-			),
-			wpinv_get_success_page_uri()
-		);
-
-		return apply_filters( 'getpaid_gateway_success_url', $return_url, $invoice, $this );
-	}
-
-	/**
-	 * Confirms payments when rendering the success page.
-	 *
-	 * @param string $content Success page content.
-	 * @return string
-	 */
-	public function confirm_payment( $content ) {
-
-		// Retrieve the invoice.
-		$invoice_id = getpaid_get_current_invoice_id();
-		$invoice    = wpinv_get_invoice( $invoice_id );
-
-		// Ensure that it exists and that it is pending payment.
-		if ( empty( $invoice_id ) || ! $invoice->needs_payment() ) {
-			return $content;
-		}
-
-		// Can the user view this invoice??
-		if ( ! wpinv_user_can_view_invoice( $invoice ) ) {
-			return $content;
-		}
-
-		// Show payment processing indicator.
-		return wpinv_get_template_html( 'wpinv-payment-processing.php', compact( 'invoice' ) );
-	}
-
-	/**
-	 * Processes ipns and marks payments as complete.
-	 *
-	 * @return void
-	 */
-	public function verify_ipn() {}
-
-	/**
-	 * Processes invoice addons.
-	 *
-	 * @param WPInv_Invoice $invoice
-	 * @param GetPaid_Form_Item[] $items
-	 * @return WPInv_Invoice
-	 */
-	public function process_addons( $invoice, $items ) {
-
-	}
-
-	/**
-	 * Get a link to the transaction on the 3rd party gateway site (if applicable).
-	 *
-	 * @param string $transaction_url transaction url.
-	 * @param WPInv_Invoice $invoice Invoice object.
-	 * @return string transaction URL, or empty string.
-	 */
-	public function filter_transaction_url( $transaction_url, $invoice ) {
-
-		$transaction_id  = $invoice->get_transaction_id();
-
-		if ( ! empty( $this->view_transaction_url ) && ! empty( $transaction_id ) ) {
-			$transaction_url = sprintf( $this->view_transaction_url, $transaction_id );
-			$replace         = $this->is_sandbox( $invoice ) ? 'sandbox' : '';
-			$transaction_url = str_replace( '{sandbox}', $replace, $transaction_url );
-		}
-
-		return $transaction_url;
-	}
-
-	/**
-	 * Get a link to the subscription on the 3rd party gateway site (if applicable).
-	 *
-	 * @param string $subscription_url transaction url.
-	 * @param WPInv_Subscription $subscription Subscription objectt.
-	 * @return string subscription URL, or empty string.
-	 */
-	public function generate_subscription_url( $subscription_url, $subscription ) {
-
-		$profile_id      = $subscription->get_profile_id();
-
-		if ( $this->id == $subscription->get_gateway() && ! empty( $this->view_subscription_url ) && ! empty( $profile_id ) ) {
-
-			$subscription_url = sprintf( $this->view_subscription_url, $profile_id );
-			$replace          = $this->is_sandbox( $subscription->get_parent_invoice() ) ? 'sandbox' : '';
-			$subscription_url = str_replace( '{sandbox}', $replace, $subscription_url );
-
-		}
-
-		return $subscription_url;
-	}
-
-	/**
-	 * Check if the gateway is available for use.
-	 *
-	 * @return bool
-	 */
-	public function is_available() {
-		return ! empty( $this->enabled );
-	}
-
-	/**
-	 * Return the gateway's title.
-	 *
-	 * @return string
-	 */
-	public function get_title() {
-		return apply_filters( 'getpaid_gateway_title', $this->title, $this );
-	}
-
-	/**
-	 * Return the gateway's description.
-	 *
-	 * @return string
-	 */
-	public function get_description() {
-		return apply_filters( 'getpaid_gateway_description', $this->description, $this );
-	}
-
-	/**
-	 * Process Payment.
-	 *
-	 *
-	 * @param WPInv_Invoice $invoice Invoice.
-	 * @param array $submission_data Posted checkout fields.
-	 * @param GetPaid_Payment_Form_Submission $submission Checkout submission.
-	 * @return void
-	 */
-	public function process_payment( $invoice, $submission_data, $submission ) {
-		// Process the payment then either redirect to the success page or the gateway.
-		do_action( 'getpaid_process_invoice_payment_' . $this->id, $invoice, $submission_data, $submission );
-	}
-
-	/**
-	 * Process refund.
-	 *
-	 * If the gateway declares 'refunds' support, this will allow it to refund.
-	 * a passed in amount.
-	 *
-	 * @param WPInv_Invoice $invoice Invoice.
-	 * @param  float  $amount Refund amount.
-	 * @param  string $reason Refund reason.
-	 * @return WP_Error|bool True or false based on success, or a WP_Error object.
-	 */
-	public function process_refund( $invoice, $amount = null, $reason = '' ) {
-		return apply_filters( 'getpaid_process_invoice_refund_' . $this->id, false, $invoice, $amount, $reason );
-	}
-
-	/**
-	 * Displays the payment fields, credit cards etc.
-	 * 
-	 * @param int $invoice_id 0 or invoice id.
-	 * @param GetPaid_Payment_Form $form Current payment form.
-	 */
-	public function payment_fields( $invoice_id, $form ) {
-		do_action( 'getpaid_getpaid_gateway_payment_fields_' . $this->id, $invoice_id, $form );
-	}
-
-	/**
-	 * Filters the gateway settings.
-	 * 
-	 * @param array $admin_settings
-	 */
-	public function admin_settings( $admin_settings ) {
-		return $admin_settings;
-	}
-
-	/**
-	 * Retrieves the value of a gateway setting.
-	 * 
-	 * @param string $option
-	 */
-	public function get_option( $option, $default = false ) {
-		return wpinv_get_option( $this->id . '_' . $option, $default );
-	}
-
-	/**
-	 * Check if a gateway supports a given feature.
-	 *
-	 * Gateways should override this to declare support (or lack of support) for a feature.
-	 * For backward compatibility, gateways support 'products' by default, but nothing else.
-	 *
-	 * @param string $feature string The name of a feature to test support for.
-	 * @return bool True if the gateway supports the feature, false otherwise.
-	 * @since 1.0.19
-	 */
-	public function supports( $feature ) {
-		return getpaid_payment_gateway_supports( $this->id, $feature );
-	}
-
-	/**
-	 * Returns the credit card form html.
-	 * 
-	 * @param bool $save whether or not to display the save button.
-	 */
+        // Gateway checkout fiellds.
+        add_action( "wpinv_{$this->id}_cc_form", array( $this, 'payment_fields' ), 10, 2 );
+
+        // Process payment.
+        add_action( "getpaid_gateway_{$this->id}", array( $this, 'process_payment' ), 10, 3 );
+
+        // Change the checkout button text.
+        if ( ! empty( $this->checkout_button_text ) ) {
+            add_filter( "getpaid_gateway_{$this->id}_checkout_button_label", array( $this, 'rename_checkout_button' ) );
+        }
+
+        // Check if a gateway is valid for a given currency.
+        add_filter( "getpaid_gateway_{$this->id}_is_valid_for_currency", array( $this, 'validate_currency' ), 10, 2 );
+
+        // Generate the transaction url.
+        add_filter( "getpaid_gateway_{$this->id}_transaction_url", array( $this, 'filter_transaction_url' ), 10, 2 );
+
+        // Generate the subscription url.
+        add_filter( 'getpaid_remote_subscription_profile_url', array( $this, 'generate_subscription_url' ), 10, 2 );
+
+        // Confirm payments.
+        add_filter( "wpinv_payment_confirm_{$this->id}", array( $this, 'confirm_payment' ), 10, 2 );
+
+        // Verify IPNs.
+        add_action( "wpinv_verify_{$this->id}_ipn", array( $this, 'verify_ipn' ) );
+
+    }
+
+    /**
+     * Checks if this gateway is a given gateway.
+     *
+     * @since 1.0.19
+     * @return bool
+     */
+    public function is( $gateway ) {
+        return $gateway == $this->id;
+    }
+
+    /**
+     * Returns a users saved tokens for this gateway.
+     *
+     * @since 1.0.19
+     * @return array
+     */
+    public function get_tokens( $sandbox = null ) {
+
+        if ( is_user_logged_in() && $this->supports( 'tokens' ) && 0 == count( $this->tokens ) ) {
+            $tokens = get_user_meta( get_current_user_id(), "getpaid_{$this->id}_tokens", true );
+
+            if ( is_array( $tokens ) ) {
+                $this->tokens = $tokens;
+            }
+
+        }
+
+        if ( ! is_bool( $sandbox ) ) {
+            return $this->tokens;
+        }
+
+        // Filter tokens.
+        $args = array( 'type' => $sandbox ? 'sandbox' : 'live' );
+        return wp_list_filter( $this->tokens, $args );
+
+    }
+
+    /**
+     * Saves a token for this gateway.
+     *
+     * @since 1.0.19
+     */
+    public function save_token( $token ) {
+
+        $tokens   = $this->get_tokens();
+        $tokens[] = $token;
+
+        update_user_meta( get_current_user_id(), "getpaid_{$this->id}_tokens", $tokens );
+
+        $this->tokens = $tokens;
+
+    }
+
+    /**
+     * Return the title for admin screens.
+     *
+     * @return string
+     */
+    public function get_method_title() {
+        return apply_filters( 'getpaid_gateway_method_title', $this->method_title, $this );
+    }
+
+    /**
+     * Return the description for admin screens.
+     *
+     * @return string
+     */
+    public function get_method_description() {
+        return apply_filters( 'getpaid_gateway_method_description', $this->method_description, $this );
+    }
+
+    /**
+     * Get the success url.
+     *
+     * @param WPInv_Invoice $invoice Invoice object.
+     * @return string
+     */
+    public function get_return_url( $invoice ) {
+
+        // Payment success url
+        $return_url = add_query_arg(
+            array(
+                'payment-confirm' => $this->id,
+                'invoice_key'     => $invoice->get_key(),
+                'utm_nooverride'  => 1
+            ),
+            wpinv_get_success_page_uri()
+        );
+
+        return apply_filters( 'getpaid_gateway_success_url', $return_url, $invoice, $this );
+    }
+
+    /**
+     * Confirms payments when rendering the success page.
+     *
+     * @param string $content Success page content.
+     * @return string
+     */
+    public function confirm_payment( $content ) {
+
+        // Retrieve the invoice.
+        $invoice_id = getpaid_get_current_invoice_id();
+        $invoice    = wpinv_get_invoice( $invoice_id );
+
+        // Ensure that it exists and that it is pending payment.
+        if ( empty( $invoice_id ) || ! $invoice->needs_payment() ) {
+            return $content;
+        }
+
+        // Can the user view this invoice??
+        if ( ! wpinv_user_can_view_invoice( $invoice ) ) {
+            return $content;
+        }
+
+        // Show payment processing indicator.
+        return wpinv_get_template_html( 'wpinv-payment-processing.php', compact( 'invoice' ) );
+    }
+
+    /**
+     * Processes ipns and marks payments as complete.
+     *
+     * @return void
+     */
+    public function verify_ipn() {}
+
+    /**
+     * Processes invoice addons.
+     *
+     * @param WPInv_Invoice $invoice
+     * @param GetPaid_Form_Item[] $items
+     * @return WPInv_Invoice
+     */
+    public function process_addons( $invoice, $items ) {
+
+    }
+
+    /**
+     * Get a link to the transaction on the 3rd party gateway site (if applicable).
+     *
+     * @param string $transaction_url transaction url.
+     * @param WPInv_Invoice $invoice Invoice object.
+     * @return string transaction URL, or empty string.
+     */
+    public function filter_transaction_url( $transaction_url, $invoice ) {
+
+        $transaction_id  = $invoice->get_transaction_id();
+
+        if ( ! empty( $this->view_transaction_url ) && ! empty( $transaction_id ) ) {
+            $transaction_url = sprintf( $this->view_transaction_url, $transaction_id );
+            $replace         = $this->is_sandbox( $invoice ) ? 'sandbox' : '';
+            $transaction_url = str_replace( '{sandbox}', $replace, $transaction_url );
+        }
+
+        return $transaction_url;
+    }
+
+    /**
+     * Get a link to the subscription on the 3rd party gateway site (if applicable).
+     *
+     * @param string $subscription_url transaction url.
+     * @param WPInv_Subscription $subscription Subscription objectt.
+     * @return string subscription URL, or empty string.
+     */
+    public function generate_subscription_url( $subscription_url, $subscription ) {
+
+        $profile_id      = $subscription->get_profile_id();
+
+        if ( $this->id == $subscription->get_gateway() && ! empty( $this->view_subscription_url ) && ! empty( $profile_id ) ) {
+
+            $subscription_url = sprintf( $this->view_subscription_url, $profile_id );
+            $replace          = $this->is_sandbox( $subscription->get_parent_invoice() ) ? 'sandbox' : '';
+            $subscription_url = str_replace( '{sandbox}', $replace, $subscription_url );
+
+        }
+
+        return $subscription_url;
+    }
+
+    /**
+     * Check if the gateway is available for use.
+     *
+     * @return bool
+     */
+    public function is_available() {
+        return ! empty( $this->enabled );
+    }
+
+    /**
+     * Return the gateway's title.
+     *
+     * @return string
+     */
+    public function get_title() {
+        return apply_filters( 'getpaid_gateway_title', $this->title, $this );
+    }
+
+    /**
+     * Return the gateway's description.
+     *
+     * @return string
+     */
+    public function get_description() {
+        return apply_filters( 'getpaid_gateway_description', $this->description, $this );
+    }
+
+    /**
+     * Process Payment.
+     *
+     *
+     * @param WPInv_Invoice $invoice Invoice.
+     * @param array $submission_data Posted checkout fields.
+     * @param GetPaid_Payment_Form_Submission $submission Checkout submission.
+     * @return void
+     */
+    public function process_payment( $invoice, $submission_data, $submission ) {
+        // Process the payment then either redirect to the success page or the gateway.
+        do_action( 'getpaid_process_invoice_payment_' . $this->id, $invoice, $submission_data, $submission );
+    }
+
+    /**
+     * Process refund.
+     *
+     * If the gateway declares 'refunds' support, this will allow it to refund.
+     * a passed in amount.
+     *
+     * @param WPInv_Invoice $invoice Invoice.
+     * @param  float  $amount Refund amount.
+     * @param  string $reason Refund reason.
+     * @return WP_Error|bool True or false based on success, or a WP_Error object.
+     */
+    public function process_refund( $invoice, $amount = null, $reason = '' ) {
+        return apply_filters( 'getpaid_process_invoice_refund_' . $this->id, false, $invoice, $amount, $reason );
+    }
+
+    /**
+     * Displays the payment fields, credit cards etc.
+     * 
+     * @param int $invoice_id 0 or invoice id.
+     * @param GetPaid_Payment_Form $form Current payment form.
+     */
+    public function payment_fields( $invoice_id, $form ) {
+        do_action( 'getpaid_getpaid_gateway_payment_fields_' . $this->id, $invoice_id, $form );
+    }
+
+    /**
+     * Filters the gateway settings.
+     * 
+     * @param array $admin_settings
+     */
+    public function admin_settings( $admin_settings ) {
+        return $admin_settings;
+    }
+
+    /**
+     * Retrieves the value of a gateway setting.
+     * 
+     * @param string $option
+     */
+    public function get_option( $option, $default = false ) {
+        return wpinv_get_option( $this->id . '_' . $option, $default );
+    }
+
+    /**
+     * Check if a gateway supports a given feature.
+     *
+     * Gateways should override this to declare support (or lack of support) for a feature.
+     * For backward compatibility, gateways support 'products' by default, but nothing else.
+     *
+     * @param string $feature string The name of a feature to test support for.
+     * @return bool True if the gateway supports the feature, false otherwise.
+     * @since 1.0.19
+     */
+    public function supports( $feature ) {
+        return getpaid_payment_gateway_supports( $this->id, $feature );
+    }
+
+    /**
+     * Returns the credit card form html.
+     * 
+     * @param bool $save whether or not to display the save button.
+     */
     public function get_cc_form( $save = false ) {
 
-		ob_start();
+        ob_start();
 
         $id_prefix = esc_attr( uniqid( $this->id ) );
 
@@ -565,11 +565,11 @@ 
                                         'name'              => $this->id . '[cc_cvv2]',
                                         'id'                => "$id_prefix-cc-cvv2",
                                         'label'             => __( 'CCV', 'invoicing' ),
-										'label_type'        => 'vertical',
-										'class'             => 'form-control-sm',
-										'extra_attributes'  => array(
-											'autocomplete'  => "cc-csc",
-										),
+                                        'label_type'        => 'vertical',
+                                        'class'             => 'form-control-sm',
+                                        'extra_attributes'  => array(
+                                            'autocomplete'  => "cc-csc",
+                                        ),
                                     )
                                 );
                             ?>
@@ -579,192 +579,192 @@ 
 					
 					<?php
 
-						if ( $save ) {
-							echo $this->save_payment_method_checkbox();
-						}
+                        if ( $save ) {
+                            echo $this->save_payment_method_checkbox();
+                        }
 
-					?>
+                    ?>
                 </div>
 
             </div>
 		<?php
 		
-		return ob_get_clean();
+        return ob_get_clean();
+
+    }
 
+    /**
+     * Displays a new payment method entry form.
+     *
+     * @since 1.0.19
+     */
+    public function new_payment_method_entry( $form ) {
+        echo "<div class='getpaid-new-payment-method-form' style='display:none;'>$form</div>";
     }
 
-	/**
-	 * Displays a new payment method entry form.
-	 *
-	 * @since 1.0.19
-	 */
-	public function new_payment_method_entry( $form ) {
-		echo "<div class='getpaid-new-payment-method-form' style='display:none;'>$form</div>";
-	}
-
-	/**
-	 * Grab and display our saved payment methods.
-	 *
-	 * @since 1.0.19
-	 */
-	public function saved_payment_methods() {
-		$html = '<ul class="getpaid-saved-payment-methods list-unstyled m-0 mt-2" data-count="' . esc_attr( count( $this->get_tokens( $this->is_sandbox() ) ) ) . '">';
-
-		foreach ( $this->get_tokens( $this->is_sandbox() ) as $token ) {
-			$html .= $this->get_saved_payment_method_option_html( $token );
-		}
-
-		$html .= $this->get_new_payment_method_option_html();
-		$html .= '</ul>';
-
-		echo apply_filters( 'getpaid_payment_gateway_form_saved_payment_methods_html', $html, $this );
-	}
-
-	/**
-	 * Gets saved payment method HTML from a token.
-	 *
-	 * @since 1.0.19
-	 * @param  array $token Payment Token.
-	 * @return string Generated payment method HTML
-	 */
-	public function get_saved_payment_method_option_html( $token ) {
-
-		return sprintf(
-			'<li class="getpaid-payment-method form-group">
+    /**
+     * Grab and display our saved payment methods.
+     *
+     * @since 1.0.19
+     */
+    public function saved_payment_methods() {
+        $html = '<ul class="getpaid-saved-payment-methods list-unstyled m-0 mt-2" data-count="' . esc_attr( count( $this->get_tokens( $this->is_sandbox() ) ) ) . '">';
+
+        foreach ( $this->get_tokens( $this->is_sandbox() ) as $token ) {
+            $html .= $this->get_saved_payment_method_option_html( $token );
+        }
+
+        $html .= $this->get_new_payment_method_option_html();
+        $html .= '</ul>';
+
+        echo apply_filters( 'getpaid_payment_gateway_form_saved_payment_methods_html', $html, $this );
+    }
+
+    /**
+     * Gets saved payment method HTML from a token.
+     *
+     * @since 1.0.19
+     * @param  array $token Payment Token.
+     * @return string Generated payment method HTML
+     */
+    public function get_saved_payment_method_option_html( $token ) {
+
+        return sprintf(
+            '<li class="getpaid-payment-method form-group">
 				<label>
 					<input name="getpaid-%1$s-payment-method" type="radio" value="%2$s" data-currency="%5$s" style="width:auto;" class="getpaid-saved-payment-method-token-input" %4$s />
 					<span>%3$s</span>
 				</label>
 			</li>',
-			esc_attr( $this->id ),
-			esc_attr( $token['id'] ),
-			esc_html( $token['name'] ),
-			checked( empty( $token['default'] ), false, false ),
-			empty( $token['currency'] ) ? 'none' : esc_attr( $token['currency'] )
-		);
-
-	}
-
-	/**
-	 * Displays a radio button for entering a new payment method (new CC details) instead of using a saved method.
-	 *
-	 * @since 1.0.19
-	 */
-	public function get_new_payment_method_option_html() {
-
-		$label = apply_filters( 'getpaid_new_payment_method_label', $this->new_method_label ? $this->new_method_label : __( 'Use a new payment method', 'invoicing' ), $this );
-
-		return sprintf(
-			'<li class="getpaid-new-payment-method">
+            esc_attr( $this->id ),
+            esc_attr( $token['id'] ),
+            esc_html( $token['name'] ),
+            checked( empty( $token['default'] ), false, false ),
+            empty( $token['currency'] ) ? 'none' : esc_attr( $token['currency'] )
+        );
+
+    }
+
+    /**
+     * Displays a radio button for entering a new payment method (new CC details) instead of using a saved method.
+     *
+     * @since 1.0.19
+     */
+    public function get_new_payment_method_option_html() {
+
+        $label = apply_filters( 'getpaid_new_payment_method_label', $this->new_method_label ? $this->new_method_label : __( 'Use a new payment method', 'invoicing' ), $this );
+
+        return sprintf(
+            '<li class="getpaid-new-payment-method">
 				<label>
 					<input name="getpaid-%1$s-payment-method" type="radio" data-currency="none" value="new" style="width:auto;" />
 					<span>%2$s</span>
 				</label>
 			</li>',
-			esc_attr( $this->id ),
-			esc_html( $label )
-		);
-
-	}
-
-	/**
-	 * Outputs a checkbox for saving a new payment method to the database.
-	 *
-	 * @since 1.0.19
-	 */
-	public function save_payment_method_checkbox() {
-
-		return aui()->input(
-			array(
-				'type'       => 'checkbox',
-				'name'       => esc_attr( "getpaid-$this->id-new-payment-method" ),
-				'id'         => esc_attr( uniqid( $this->id ) ),
-				'required'   => false,
-				'label'      => esc_html__( 'Save payment method', 'invoicing' ),
-				'value'      => 'true',
-				'checked'    => true,
-				'wrap_class' => 'getpaid-save-payment-method pt-1 pb-1',
-			)
-		);
-
-	}
-
-	/**
-	 * Registers the gateway.
-	 *
-	 * @return array
-	 */
-	public function register_gateway( $gateways ) {
-
-		$gateways[ $this->id ] = array(
-
-			'admin_label'    => $this->method_title,
+            esc_attr( $this->id ),
+            esc_html( $label )
+        );
+
+    }
+
+    /**
+     * Outputs a checkbox for saving a new payment method to the database.
+     *
+     * @since 1.0.19
+     */
+    public function save_payment_method_checkbox() {
+
+        return aui()->input(
+            array(
+                'type'       => 'checkbox',
+                'name'       => esc_attr( "getpaid-$this->id-new-payment-method" ),
+                'id'         => esc_attr( uniqid( $this->id ) ),
+                'required'   => false,
+                'label'      => esc_html__( 'Save payment method', 'invoicing' ),
+                'value'      => 'true',
+                'checked'    => true,
+                'wrap_class' => 'getpaid-save-payment-method pt-1 pb-1',
+            )
+        );
+
+    }
+
+    /**
+     * Registers the gateway.
+     *
+     * @return array
+     */
+    public function register_gateway( $gateways ) {
+
+        $gateways[ $this->id ] = array(
+
+            'admin_label'    => $this->method_title,
             'checkout_label' => $this->title,
-			'ordering'       => $this->order,
+            'ordering'       => $this->order,
 
-		);
+        );
 
-		return $gateways;
+        return $gateways;
 
-	}
+    }
 
-	/**
-	 * Checks whether or not this is a sandbox request.
-	 *
-	 * @param  WPInv_Invoice|null $invoice Invoice object or null.
-	 * @return bool
-	 */
-	public function is_sandbox( $invoice = null ) {
+    /**
+     * Checks whether or not this is a sandbox request.
+     *
+     * @param  WPInv_Invoice|null $invoice Invoice object or null.
+     * @return bool
+     */
+    public function is_sandbox( $invoice = null ) {
 
-		if ( ! empty( $invoice ) && ! $invoice->needs_payment() ) {
-			return $invoice->get_mode() == 'test';
-		}
+        if ( ! empty( $invoice ) && ! $invoice->needs_payment() ) {
+            return $invoice->get_mode() == 'test';
+        }
 
-		return wpinv_is_test_mode( $this->id );
+        return wpinv_is_test_mode( $this->id );
 
-	}
+    }
 
-	/**
-	 * Renames the checkout button
-	 *
-	 * @return string
-	 */
-	public function rename_checkout_button() {
-		return $this->checkout_button_text;
-	}
+    /**
+     * Renames the checkout button
+     *
+     * @return string
+     */
+    public function rename_checkout_button() {
+        return $this->checkout_button_text;
+    }
 
-	/**
-	 * Validate gateway currency
-	 *
-	 * @return bool
-	 */
-	public function validate_currency( $validation, $currency ) {
+    /**
+     * Validate gateway currency
+     *
+     * @return bool
+     */
+    public function validate_currency( $validation, $currency ) {
 
-		// Required currencies.
-		if ( ! empty( $this->currencies ) && ! in_array( $currency, $this->currencies ) ) {
-			return false;
-		}
+        // Required currencies.
+        if ( ! empty( $this->currencies ) && ! in_array( $currency, $this->currencies ) ) {
+            return false;
+        }
 
-		// Excluded currencies.
-		if ( ! empty( $this->exclude_currencies ) && in_array( $currency, $this->exclude_currencies ) ) {
-			return false;
-		}
+        // Excluded currencies.
+        if ( ! empty( $this->exclude_currencies ) && in_array( $currency, $this->exclude_currencies ) ) {
+            return false;
+        }
 
-		return $validation;
-	}
+        return $validation;
+    }
 
-	/**
-	 * Displays an error
-	 *
-	 */
-	public function show_error( $code, $message, $type ) {
+    /**
+     * Displays an error
+     *
+     */
+    public function show_error( $code, $message, $type ) {
 
-		if ( is_admin() ) {
-			getpaid_admin()->{"show_$type"}( $message );
-		}
+        if ( is_admin() ) {
+            getpaid_admin()->{"show_$type"}( $message );
+        }
 
-		wpinv_set_error( $code, $message, $type );
+        wpinv_set_error( $code, $message, $type );
 
-	}
+    }
 
 }

Spacing +127 added lines, -127 removed lines

@@ -4,7 +4,7 @@ 
  *
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * Abstaract Payment Gateway class.
@@ -139,51 +139,51 @@ 
 	public function __construct() {
 
 		// Register gateway.
-		add_filter( 'wpinv_payment_gateways', array( $this, 'register_gateway' ) );
+		add_filter('wpinv_payment_gateways', array($this, 'register_gateway'));
 
-		$this->enabled = wpinv_is_gateway_active( $this->id );
+		$this->enabled = wpinv_is_gateway_active($this->id);
 
 		// Add support for various features.
-		foreach ( $this->supports as $feature ) {
-			add_filter( "wpinv_{$this->id}_support_{$feature}", '__return_true' );
-			add_filter( "getpaid_{$this->id}_support_{$feature}", '__return_true' );
-			add_filter( "getpaid_{$this->id}_supports_{$feature}", '__return_true' );
+		foreach ($this->supports as $feature) {
+			add_filter("wpinv_{$this->id}_support_{$feature}", '__return_true');
+			add_filter("getpaid_{$this->id}_support_{$feature}", '__return_true');
+			add_filter("getpaid_{$this->id}_supports_{$feature}", '__return_true');
 		}
 
 		// Invoice addons.
-		if ( $this->supports( 'addons' ) ) {
-			add_action( "getpaid_process_{$this->id}_invoice_addons", array( $this, 'process_addons' ), 10, 2 );
+		if ($this->supports('addons')) {
+			add_action("getpaid_process_{$this->id}_invoice_addons", array($this, 'process_addons'), 10, 2);
 		}
 
 		// Gateway settings.
-		add_filter( "wpinv_gateway_settings_{$this->id}", array( $this, 'admin_settings' ) );
+		add_filter("wpinv_gateway_settings_{$this->id}", array($this, 'admin_settings'));
 		
 
 		// Gateway checkout fiellds.
-		add_action( "wpinv_{$this->id}_cc_form", array( $this, 'payment_fields' ), 10, 2 );
+		add_action("wpinv_{$this->id}_cc_form", array($this, 'payment_fields'), 10, 2);
 
 		// Process payment.
-		add_action( "getpaid_gateway_{$this->id}", array( $this, 'process_payment' ), 10, 3 );
+		add_action("getpaid_gateway_{$this->id}", array($this, 'process_payment'), 10, 3);
 
 		// Change the checkout button text.
-		if ( ! empty( $this->checkout_button_text ) ) {
-			add_filter( "getpaid_gateway_{$this->id}_checkout_button_label", array( $this, 'rename_checkout_button' ) );
+		if (!empty($this->checkout_button_text)) {
+			add_filter("getpaid_gateway_{$this->id}_checkout_button_label", array($this, 'rename_checkout_button'));
 		}
 
 		// Check if a gateway is valid for a given currency.
-		add_filter( "getpaid_gateway_{$this->id}_is_valid_for_currency", array( $this, 'validate_currency' ), 10, 2 );
+		add_filter("getpaid_gateway_{$this->id}_is_valid_for_currency", array($this, 'validate_currency'), 10, 2);
 
 		// Generate the transaction url.
-		add_filter( "getpaid_gateway_{$this->id}_transaction_url", array( $this, 'filter_transaction_url' ), 10, 2 );
+		add_filter("getpaid_gateway_{$this->id}_transaction_url", array($this, 'filter_transaction_url'), 10, 2);
 
 		// Generate the subscription url.
-		add_filter( 'getpaid_remote_subscription_profile_url', array( $this, 'generate_subscription_url' ), 10, 2 );
+		add_filter('getpaid_remote_subscription_profile_url', array($this, 'generate_subscription_url'), 10, 2);
 
 		// Confirm payments.
-		add_filter( "wpinv_payment_confirm_{$this->id}", array( $this, 'confirm_payment' ), 10, 2 );
+		add_filter("wpinv_payment_confirm_{$this->id}", array($this, 'confirm_payment'), 10, 2);
 
 		// Verify IPNs.
-		add_action( "wpinv_verify_{$this->id}_ipn", array( $this, 'verify_ipn' ) );
+		add_action("wpinv_verify_{$this->id}_ipn", array($this, 'verify_ipn'));
 
 	}
 
@@ -193,7 +193,7 @@ 
 	 * @since 1.0.19
 	 * @return bool
 	 */
-	public function is( $gateway ) {
+	public function is($gateway) {
 		return $gateway == $this->id;
 	}
 
@@ -203,24 +203,24 @@ 
 	 * @since 1.0.19
 	 * @return array
 	 */
-	public function get_tokens( $sandbox = null ) {
+	public function get_tokens($sandbox = null) {
 
-		if ( is_user_logged_in() && $this->supports( 'tokens' ) && 0 == count( $this->tokens ) ) {
-			$tokens = get_user_meta( get_current_user_id(), "getpaid_{$this->id}_tokens", true );
+		if (is_user_logged_in() && $this->supports('tokens') && 0 == count($this->tokens)) {
+			$tokens = get_user_meta(get_current_user_id(), "getpaid_{$this->id}_tokens", true);
 
-			if ( is_array( $tokens ) ) {
+			if (is_array($tokens)) {
 				$this->tokens = $tokens;
 			}
 
 		}
 
-		if ( ! is_bool( $sandbox ) ) {
+		if (!is_bool($sandbox)) {
 			return $this->tokens;
 		}
 
 		// Filter tokens.
-		$args = array( 'type' => $sandbox ? 'sandbox' : 'live' );
-		return wp_list_filter( $this->tokens, $args );
+		$args = array('type' => $sandbox ? 'sandbox' : 'live');
+		return wp_list_filter($this->tokens, $args);
 
 	}
 
@@ -229,12 +229,12 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function save_token( $token ) {
+	public function save_token($token) {
 
 		$tokens   = $this->get_tokens();
 		$tokens[] = $token;
 
-		update_user_meta( get_current_user_id(), "getpaid_{$this->id}_tokens", $tokens );
+		update_user_meta(get_current_user_id(), "getpaid_{$this->id}_tokens", $tokens);
 
 		$this->tokens = $tokens;
 
@@ -246,7 +246,7 @@ 
 	 * @return string
 	 */
 	public function get_method_title() {
-		return apply_filters( 'getpaid_gateway_method_title', $this->method_title, $this );
+		return apply_filters('getpaid_gateway_method_title', $this->method_title, $this);
 	}
 
 	/**
@@ -255,7 +255,7 @@ 
 	 * @return string
 	 */
 	public function get_method_description() {
-		return apply_filters( 'getpaid_gateway_method_description', $this->method_description, $this );
+		return apply_filters('getpaid_gateway_method_description', $this->method_description, $this);
 	}
 
 	/**
@@ -264,7 +264,7 @@ 
 	 * @param WPInv_Invoice $invoice Invoice object.
 	 * @return string
 	 */
-	public function get_return_url( $invoice ) {
+	public function get_return_url($invoice) {
 
 		// Payment success url
 		$return_url = add_query_arg(
@@ -276,7 +276,7 @@ 
 			wpinv_get_success_page_uri()
 		);
 
-		return apply_filters( 'getpaid_gateway_success_url', $return_url, $invoice, $this );
+		return apply_filters('getpaid_gateway_success_url', $return_url, $invoice, $this);
 	}
 
 	/**
@@ -285,24 +285,24 @@ 
 	 * @param string $content Success page content.
 	 * @return string
 	 */
-	public function confirm_payment( $content ) {
+	public function confirm_payment($content) {
 
 		// Retrieve the invoice.
 		$invoice_id = getpaid_get_current_invoice_id();
-		$invoice    = wpinv_get_invoice( $invoice_id );
+		$invoice    = wpinv_get_invoice($invoice_id);
 
 		// Ensure that it exists and that it is pending payment.
-		if ( empty( $invoice_id ) || ! $invoice->needs_payment() ) {
+		if (empty($invoice_id) || !$invoice->needs_payment()) {
 			return $content;
 		}
 
 		// Can the user view this invoice??
-		if ( ! wpinv_user_can_view_invoice( $invoice ) ) {
+		if (!wpinv_user_can_view_invoice($invoice)) {
 			return $content;
 		}
 
 		// Show payment processing indicator.
-		return wpinv_get_template_html( 'wpinv-payment-processing.php', compact( 'invoice' ) );
+		return wpinv_get_template_html('wpinv-payment-processing.php', compact('invoice'));
 	}
 
 	/**
@@ -319,7 +319,7 @@ 
 	 * @param GetPaid_Form_Item[] $items
 	 * @return WPInv_Invoice
 	 */
-	public function process_addons( $invoice, $items ) {
+	public function process_addons($invoice, $items) {
 
 	}
 
@@ -330,14 +330,14 @@ 
 	 * @param WPInv_Invoice $invoice Invoice object.
 	 * @return string transaction URL, or empty string.
 	 */
-	public function filter_transaction_url( $transaction_url, $invoice ) {
+	public function filter_transaction_url($transaction_url, $invoice) {
 
-		$transaction_id  = $invoice->get_transaction_id();
+		$transaction_id = $invoice->get_transaction_id();
 
-		if ( ! empty( $this->view_transaction_url ) && ! empty( $transaction_id ) ) {
-			$transaction_url = sprintf( $this->view_transaction_url, $transaction_id );
-			$replace         = $this->is_sandbox( $invoice ) ? 'sandbox' : '';
-			$transaction_url = str_replace( '{sandbox}', $replace, $transaction_url );
+		if (!empty($this->view_transaction_url) && !empty($transaction_id)) {
+			$transaction_url = sprintf($this->view_transaction_url, $transaction_id);
+			$replace         = $this->is_sandbox($invoice) ? 'sandbox' : '';
+			$transaction_url = str_replace('{sandbox}', $replace, $transaction_url);
 		}
 
 		return $transaction_url;
@@ -350,15 +350,15 @@ 
 	 * @param WPInv_Subscription $subscription Subscription objectt.
 	 * @return string subscription URL, or empty string.
 	 */
-	public function generate_subscription_url( $subscription_url, $subscription ) {
+	public function generate_subscription_url($subscription_url, $subscription) {
 
-		$profile_id      = $subscription->get_profile_id();
+		$profile_id = $subscription->get_profile_id();
 
-		if ( $this->id == $subscription->get_gateway() && ! empty( $this->view_subscription_url ) && ! empty( $profile_id ) ) {
+		if ($this->id == $subscription->get_gateway() && !empty($this->view_subscription_url) && !empty($profile_id)) {
 
-			$subscription_url = sprintf( $this->view_subscription_url, $profile_id );
-			$replace          = $this->is_sandbox( $subscription->get_parent_invoice() ) ? 'sandbox' : '';
-			$subscription_url = str_replace( '{sandbox}', $replace, $subscription_url );
+			$subscription_url = sprintf($this->view_subscription_url, $profile_id);
+			$replace          = $this->is_sandbox($subscription->get_parent_invoice()) ? 'sandbox' : '';
+			$subscription_url = str_replace('{sandbox}', $replace, $subscription_url);
 
 		}
 
@@ -371,7 +371,7 @@ 
 	 * @return bool
 	 */
 	public function is_available() {
-		return ! empty( $this->enabled );
+		return !empty($this->enabled);
 	}
 
 	/**
@@ -380,7 +380,7 @@ 
 	 * @return string
 	 */
 	public function get_title() {
-		return apply_filters( 'getpaid_gateway_title', $this->title, $this );
+		return apply_filters('getpaid_gateway_title', $this->title, $this);
 	}
 
 	/**
@@ -389,7 +389,7 @@ 
 	 * @return string
 	 */
 	public function get_description() {
-		return apply_filters( 'getpaid_gateway_description', $this->description, $this );
+		return apply_filters('getpaid_gateway_description', $this->description, $this);
 	}
 
 	/**
@@ -401,9 +401,9 @@ 
 	 * @param GetPaid_Payment_Form_Submission $submission Checkout submission.
 	 * @return void
 	 */
-	public function process_payment( $invoice, $submission_data, $submission ) {
+	public function process_payment($invoice, $submission_data, $submission) {
 		// Process the payment then either redirect to the success page or the gateway.
-		do_action( 'getpaid_process_invoice_payment_' . $this->id, $invoice, $submission_data, $submission );
+		do_action('getpaid_process_invoice_payment_' . $this->id, $invoice, $submission_data, $submission);
 	}
 
 	/**
@@ -417,8 +417,8 @@ 
 	 * @param  string $reason Refund reason.
 	 * @return WP_Error|bool True or false based on success, or a WP_Error object.
 	 */
-	public function process_refund( $invoice, $amount = null, $reason = '' ) {
-		return apply_filters( 'getpaid_process_invoice_refund_' . $this->id, false, $invoice, $amount, $reason );
+	public function process_refund($invoice, $amount = null, $reason = '') {
+		return apply_filters('getpaid_process_invoice_refund_' . $this->id, false, $invoice, $amount, $reason);
 	}
 
 	/**
@@ -427,8 +427,8 @@ 
 	 * @param int $invoice_id 0 or invoice id.
 	 * @param GetPaid_Payment_Form $form Current payment form.
 	 */
-	public function payment_fields( $invoice_id, $form ) {
-		do_action( 'getpaid_getpaid_gateway_payment_fields_' . $this->id, $invoice_id, $form );
+	public function payment_fields($invoice_id, $form) {
+		do_action('getpaid_getpaid_gateway_payment_fields_' . $this->id, $invoice_id, $form);
 	}
 
 	/**
@@ -436,7 +436,7 @@ 
 	 * 
 	 * @param array $admin_settings
 	 */
-	public function admin_settings( $admin_settings ) {
+	public function admin_settings($admin_settings) {
 		return $admin_settings;
 	}
 
@@ -445,8 +445,8 @@ 
 	 * 
 	 * @param string $option
 	 */
-	public function get_option( $option, $default = false ) {
-		return wpinv_get_option( $this->id . '_' . $option, $default );
+	public function get_option($option, $default = false) {
+		return wpinv_get_option($this->id . '_' . $option, $default);
 	}
 
 	/**
@@ -459,8 +459,8 @@ 
 	 * @return bool True if the gateway supports the feature, false otherwise.
 	 * @since 1.0.19
 	 */
-	public function supports( $feature ) {
-		return getpaid_payment_gateway_supports( $this->id, $feature );
+	public function supports($feature) {
+		return getpaid_payment_gateway_supports($this->id, $feature);
 	}
 
 	/**
@@ -468,36 +468,36 @@ 
 	 * 
 	 * @param bool $save whether or not to display the save button.
 	 */
-    public function get_cc_form( $save = false ) {
+    public function get_cc_form($save = false) {
 
 		ob_start();
 
-        $id_prefix = esc_attr( uniqid( $this->id ) );
+        $id_prefix = esc_attr(uniqid($this->id));
 
         $months = array(
-            '01' => __( 'January', 'invoicing' ),
-            '02' => __( 'February', 'invoicing' ),
-            '03' => __( 'March', 'invoicing' ),
-            '04' => __( 'April', 'invoicing' ),
-            '05' => __( 'May', 'invoicing' ),
-            '06' => __( 'June', 'invoicing' ),
-            '07' => __( 'July', 'invoicing' ),
-            '08' => __( 'August', 'invoicing' ),
-            '09' => __( 'September', 'invoicing' ),
-            '10' => __( 'October', 'invoicing' ),
-            '11' => __( 'November', 'invoicing' ),
-            '12' => __( 'December', 'invoicing' ),
+            '01' => __('January', 'invoicing'),
+            '02' => __('February', 'invoicing'),
+            '03' => __('March', 'invoicing'),
+            '04' => __('April', 'invoicing'),
+            '05' => __('May', 'invoicing'),
+            '06' => __('June', 'invoicing'),
+            '07' => __('July', 'invoicing'),
+            '08' => __('August', 'invoicing'),
+            '09' => __('September', 'invoicing'),
+            '10' => __('October', 'invoicing'),
+            '11' => __('November', 'invoicing'),
+            '12' => __('December', 'invoicing'),
         );
 
-        $year  = (int) date( 'Y', current_time( 'timestamp' ) );
+        $year  = (int) date('Y', current_time('timestamp'));
         $years = array();
 
-        for ( $i = 0; $i <= 10; $i++ ) {
-            $years[ $year + $i ] = $year + $i;
+        for ($i = 0; $i <= 10; $i++) {
+            $years[$year + $i] = $year + $i;
         }
 
         ?>
-            <div class="<?php echo esc_attr( $this->id );?>-cc-form getpaid-cc-form mt-1">
+            <div class="<?php echo esc_attr($this->id); ?>-cc-form getpaid-cc-form mt-1">
 
 
                 <div class="getpaid-cc-card-inner">
@@ -506,14 +506,14 @@ 
                         <div class="col-12">
 
 							<div class="form-group">
-								<label for="<?php echo esc_attr( "$id_prefix-cc-number" ) ?>"><?php _e( 'Card number', 'invoicing' ); ?></label>
+								<label for="<?php echo esc_attr("$id_prefix-cc-number") ?>"><?php _e('Card number', 'invoicing'); ?></label>
 								<div class="input-group input-group-sm">
 									<div class="input-group-prepend ">
 										<span class="input-group-text">
 											<i class="fa fa-credit-card"></i>
 										</span>
 									</div>
-									<input type="text" name="<?php echo esc_attr( $this->id . '[cc_number]' ) ?>" id="<?php echo esc_attr( "$id_prefix-cc-number" ) ?>" class="form-control form-control-sm" autocomplete="cc-number">
+									<input type="text" name="<?php echo esc_attr($this->id . '[cc_number]') ?>" id="<?php echo esc_attr("$id_prefix-cc-number") ?>" class="form-control form-control-sm" autocomplete="cc-number">
 								</div>
 							</div>
 
@@ -521,17 +521,17 @@ 
 
                         <div class="col-12">
                             <div class="form-group">
-                                <label><?php _e( 'Expiration', 'invoicing' ); ?></label>
+                                <label><?php _e('Expiration', 'invoicing'); ?></label>
                                 <div class="form-row">
 
                                     <div class="col">
-                                        <select class="form-control form-control-sm" autocomplete="cc-exp-month" name="<?php echo esc_attr( $this->id );?>[cc_expire_month]">
-                                            <option disabled selected="selected"><?php _e( 'MM', 'invoicing' ); ?></option>
+                                        <select class="form-control form-control-sm" autocomplete="cc-exp-month" name="<?php echo esc_attr($this->id); ?>[cc_expire_month]">
+                                            <option disabled selected="selected"><?php _e('MM', 'invoicing'); ?></option>
 
                                             <?php
-                                                foreach ( $months as $key => $month ) {
-                                                    $key   = esc_attr( $key );
-                                                    $month = wpinv_clean( $month );
+                                                foreach ($months as $key => $month) {
+                                                    $key   = esc_attr($key);
+                                                    $month = wpinv_clean($month);
                                                     echo "<option value='$key'>$month</option>" . PHP_EOL;
                                                 }
                                             ?>
@@ -540,13 +540,13 @@ 
                                     </div>
 
                                     <div class="col">
-                                        <select class="form-control form-control-sm" autocomplete="cc-exp-year" name="<?php echo esc_attr( $this->id );?>[cc_expire_year]">
-                                            <option disabled selected="selected"><?php _e( 'YY', 'invoicing' ); ?></option>
+                                        <select class="form-control form-control-sm" autocomplete="cc-exp-year" name="<?php echo esc_attr($this->id); ?>[cc_expire_year]">
+                                            <option disabled selected="selected"><?php _e('YY', 'invoicing'); ?></option>
 
                                             <?php
-                                                foreach ( $years as $key => $year ) {
-                                                    $key   = esc_attr( $key );
-                                                    $year  = wpinv_clean( $year );
+                                                foreach ($years as $key => $year) {
+                                                    $key   = esc_attr($key);
+                                                    $year  = wpinv_clean($year);
                                                     echo "<option value='$key'>$year</option>" . PHP_EOL;
                                                 }
                                             ?>
@@ -564,7 +564,7 @@ 
                                     array(
                                         'name'              => $this->id . '[cc_cvv2]',
                                         'id'                => "$id_prefix-cc-cvv2",
-                                        'label'             => __( 'CCV', 'invoicing' ),
+                                        'label'             => __('CCV', 'invoicing'),
 										'label_type'        => 'vertical',
 										'class'             => 'form-control-sm',
 										'extra_attributes'  => array(
@@ -579,7 +579,7 @@ 
 					
 					<?php
 
-						if ( $save ) {
+						if ($save) {
 							echo $this->save_payment_method_checkbox();
 						}
 
@@ -598,7 +598,7 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function new_payment_method_entry( $form ) {
+	public function new_payment_method_entry($form) {
 		echo "<div class='getpaid-new-payment-method-form' style='display:none;'>$form</div>";
 	}
 
@@ -608,16 +608,16 @@ 
 	 * @since 1.0.19
 	 */
 	public function saved_payment_methods() {
-		$html = '<ul class="getpaid-saved-payment-methods list-unstyled m-0 mt-2" data-count="' . esc_attr( count( $this->get_tokens( $this->is_sandbox() ) ) ) . '">';
+		$html = '<ul class="getpaid-saved-payment-methods list-unstyled m-0 mt-2" data-count="' . esc_attr(count($this->get_tokens($this->is_sandbox()))) . '">';
 
-		foreach ( $this->get_tokens( $this->is_sandbox() ) as $token ) {
-			$html .= $this->get_saved_payment_method_option_html( $token );
+		foreach ($this->get_tokens($this->is_sandbox()) as $token) {
+			$html .= $this->get_saved_payment_method_option_html($token);
 		}
 
 		$html .= $this->get_new_payment_method_option_html();
 		$html .= '</ul>';
 
-		echo apply_filters( 'getpaid_payment_gateway_form_saved_payment_methods_html', $html, $this );
+		echo apply_filters('getpaid_payment_gateway_form_saved_payment_methods_html', $html, $this);
 	}
 
 	/**
@@ -627,7 +627,7 @@ 
 	 * @param  array $token Payment Token.
 	 * @return string Generated payment method HTML
 	 */
-	public function get_saved_payment_method_option_html( $token ) {
+	public function get_saved_payment_method_option_html($token) {
 
 		return sprintf(
 			'<li class="getpaid-payment-method form-group">
@@ -636,11 +636,11 @@ 
 					<span>%3$s</span>
 				</label>
 			</li>',
-			esc_attr( $this->id ),
-			esc_attr( $token['id'] ),
-			esc_html( $token['name'] ),
-			checked( empty( $token['default'] ), false, false ),
-			empty( $token['currency'] ) ? 'none' : esc_attr( $token['currency'] )
+			esc_attr($this->id),
+			esc_attr($token['id']),
+			esc_html($token['name']),
+			checked(empty($token['default']), false, false),
+			empty($token['currency']) ? 'none' : esc_attr($token['currency'])
 		);
 
 	}
@@ -652,7 +652,7 @@ 
 	 */
 	public function get_new_payment_method_option_html() {
 
-		$label = apply_filters( 'getpaid_new_payment_method_label', $this->new_method_label ? $this->new_method_label : __( 'Use a new payment method', 'invoicing' ), $this );
+		$label = apply_filters('getpaid_new_payment_method_label', $this->new_method_label ? $this->new_method_label : __('Use a new payment method', 'invoicing'), $this);
 
 		return sprintf(
 			'<li class="getpaid-new-payment-method">
@@ -661,8 +661,8 @@ 
 					<span>%2$s</span>
 				</label>
 			</li>',
-			esc_attr( $this->id ),
-			esc_html( $label )
+			esc_attr($this->id),
+			esc_html($label)
 		);
 
 	}
@@ -677,10 +677,10 @@ 
 		return aui()->input(
 			array(
 				'type'       => 'checkbox',
-				'name'       => esc_attr( "getpaid-$this->id-new-payment-method" ),
-				'id'         => esc_attr( uniqid( $this->id ) ),
+				'name'       => esc_attr("getpaid-$this->id-new-payment-method"),
+				'id'         => esc_attr(uniqid($this->id)),
 				'required'   => false,
-				'label'      => esc_html__( 'Save payment method', 'invoicing' ),
+				'label'      => esc_html__('Save payment method', 'invoicing'),
 				'value'      => 'true',
 				'checked'    => true,
 				'wrap_class' => 'getpaid-save-payment-method pt-1 pb-1',
@@ -694,9 +694,9 @@ 
 	 *
 	 * @return array
 	 */
-	public function register_gateway( $gateways ) {
+	public function register_gateway($gateways) {
 
-		$gateways[ $this->id ] = array(
+		$gateways[$this->id] = array(
 
 			'admin_label'    => $this->method_title,
             'checkout_label' => $this->title,
@@ -714,13 +714,13 @@ 
 	 * @param  WPInv_Invoice|null $invoice Invoice object or null.
 	 * @return bool
 	 */
-	public function is_sandbox( $invoice = null ) {
+	public function is_sandbox($invoice = null) {
 
-		if ( ! empty( $invoice ) && ! $invoice->needs_payment() ) {
+		if (!empty($invoice) && !$invoice->needs_payment()) {
 			return $invoice->get_mode() == 'test';
 		}
 
-		return wpinv_is_test_mode( $this->id );
+		return wpinv_is_test_mode($this->id);
 
 	}
 
@@ -738,15 +738,15 @@ 
 	 *
 	 * @return bool
 	 */
-	public function validate_currency( $validation, $currency ) {
+	public function validate_currency($validation, $currency) {
 
 		// Required currencies.
-		if ( ! empty( $this->currencies ) && ! in_array( $currency, $this->currencies ) ) {
+		if (!empty($this->currencies) && !in_array($currency, $this->currencies)) {
 			return false;
 		}
 
 		// Excluded currencies.
-		if ( ! empty( $this->exclude_currencies ) && in_array( $currency, $this->exclude_currencies ) ) {
+		if (!empty($this->exclude_currencies) && in_array($currency, $this->exclude_currencies)) {
 			return false;
 		}
 
@@ -757,13 +757,13 @@ 
 	 * Displays an error
 	 *
 	 */
-	public function show_error( $code, $message, $type ) {
+	public function show_error($code, $message, $type) {
 
-		if ( is_admin() ) {
-			getpaid_admin()->{"show_$type"}( $message );
+		if (is_admin()) {
+			getpaid_admin()->{"show_$type"}($message);
 		}
 
-		wpinv_set_error( $code, $message, $type );
+		wpinv_set_error($code, $message, $type);
 
 	}