AyeCode / invoicing

includes/class-wpinv-bp-core.php

Spacing +120 added lines, -120 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
     exit; // Exit if accessed directly
 }
 
@@ -11,60 +11,60 @@ 
     public function __construct() {
         global $bp;
         
-        if ( !defined( 'WPINV_BP_SLUG' ) ) {
-            define( 'WPINV_BP_SLUG', 'invoices' );
+        if (!defined('WPINV_BP_SLUG')) {
+            define('WPINV_BP_SLUG', 'invoices');
         }
         
-        $position       = wpinv_get_option( 'wpinv_menu_position' );
+        $position       = wpinv_get_option('wpinv_menu_position');
         $position       = $position !== '' && $position !== false ? $position : 91;
-        $this->position = apply_filters( 'wpinv_bp_nav_position', $position );
+        $this->position = apply_filters('wpinv_bp_nav_position', $position);
         $this->slug     = WPINV_BP_SLUG;
         
         parent::start(
             'invoicing',
-            _x( 'Invoices', 'Invoices screen page <title>', 'invoicing' ),
-            trailingslashit( dirname( __FILE__ ) ),
+            _x('Invoices', 'Invoices screen page <title>', 'invoicing'),
+            trailingslashit(dirname(__FILE__)),
             array(
                 'adminbar_myaccount_order' => $this->position
             )
         );
     }
     
-    public function includes( $includes = array() ) {
-        parent::includes( $includes );
+    public function includes($includes = array()) {
+        parent::includes($includes);
     }
     
-    public function setup_globals( $args = array() ) {
+    public function setup_globals($args = array()) {
         global $bp;
 
         $args = array(
             'slug' => $this->slug,
         );
 
-        parent::setup_globals( $args );
+        parent::setup_globals($args);
     }
     
-    public function setup_nav( $main_nav = array(), $sub_nav = array() ) {
-        if ( !bp_is_my_profile() ) {
+    public function setup_nav($main_nav = array(), $sub_nav = array()) {
+        if (!bp_is_my_profile()) {
             return;
         }
         
-        if ( wpinv_get_option( 'wpinv_bp_hide_menu' ) ) {
+        if (wpinv_get_option('wpinv_bp_hide_menu')) {
             return;
         }
         
         $this->setup_invoice_count();
 
         $user_domain    = bp_loggedin_user_domain();
-        $invoices_link  = trailingslashit( $user_domain . $this->slug );
-        $class          = ( 0 === $this->count ) ? 'no-count' : 'count';
+        $invoices_link  = trailingslashit($user_domain . $this->slug);
+        $class          = (0 === $this->count) ? 'no-count' : 'count';
 
         $main_nav_name = sprintf(
-            __( 'My Invoices %s', 'invoicing' ),
+            __('My Invoices %s', 'invoicing'),
             sprintf(
                 '<span class="%s">%s</span>',
-                esc_attr( $class ),
-                bp_core_number_format( $this->count )
+                esc_attr($class),
+                bp_core_number_format($this->count)
             )
         );
 
@@ -72,54 +72,54 @@ 
             'name'                => $main_nav_name,
             'slug'                => $this->slug,
             'position'            => $this->position,
-            'screen_function'     => array( $this, 'invoices_screen' ),
+            'screen_function'     => array($this, 'invoices_screen'),
             'default_subnav_slug' => 'invoices',
             'item_css_id'         => $this->id
         );
         
         $sub_nav[] = array(
-            'name'            => _x( 'My Invoices', 'Invoices screen sub nav', 'invoicing' ),
+            'name'            => _x('My Invoices', 'Invoices screen sub nav', 'invoicing'),
             'slug'            => 'invoices',
             'parent_url'      => $invoices_link,
             'parent_slug'     => $this->slug,
-            'screen_function' => array( $this, 'invoices_screen' ),
+            'screen_function' => array($this, 'invoices_screen'),
             'position'        => 10,
             'item_css_id'     => 'invoices-my-invoices'
         );
 
-        parent::setup_nav( $main_nav, $sub_nav );
+        parent::setup_nav($main_nav, $sub_nav);
     }
     
     public function setup_title() {
         // Adjust title.
-        if ( (bool)bp_is_current_component( 'invoicing' ) ) {
+        if ((bool)bp_is_current_component('invoicing')) {
             global $bp;
             
-            $bp->bp_options_title = __( 'My Invoices', 'invoicing' );
+            $bp->bp_options_title = __('My Invoices', 'invoicing');
         }
 
         parent::setup_title();
     }
     
     public function invoices_screen() {
-        if ( wpinv_get_option( 'wpinv_bp_hide_menu' ) ) {
+        if (wpinv_get_option('wpinv_bp_hide_menu')) {
             return;
         }
         
         global $bp;
         
-        add_action( 'bp_template_content', array( $this, 'invoices_content' ) );
+        add_action('bp_template_content', array($this, 'invoices_content'));
 
-        $template = apply_filters( 'bp_core_template_plugin', 'members/single/plugins' );
+        $template = apply_filters('bp_core_template_plugin', 'members/single/plugins');
         
-        bp_core_load_template( apply_filters( 'wpinv_bp_core_template_plugin', $template ) );
+        bp_core_load_template(apply_filters('wpinv_bp_core_template_plugin', $template));
     }
     
     public function invoices_content() {
-        if ( $this->has_invoices( bp_ajax_querystring( 'invoices' ) ) ) {
+        if ($this->has_invoices(bp_ajax_querystring('invoices'))) {
             global $invoices_template;
             
-            do_action( 'wpinv_bp_invoices_before_content' );
+            do_action('wpinv_bp_invoices_before_content');
             ?>
             <div class="wpi-bp-invoices invoices invoicing" style="position:relative">
                 <div id="pag-top" class="pagination">
@@ -133,58 +133,58 @@ 
                 <table class="table table-bordered table-hover wpi-user-invoices" style="margin:0">
                     <thead>
                         <tr>
-                            <?php foreach ( wpinv_get_user_invoices_columns() as $column_id => $column_name ) : ?>
-                                <th class="<?php echo esc_attr( $column_id ); ?> <?php echo (!empty($column_name['class']) ? $column_name['class'] : '');?>"><span class="nobr"><?php echo esc_html( $column_name['title'] ); ?></span></th>
+                            <?php foreach (wpinv_get_user_invoices_columns() as $column_id => $column_name) : ?>
+                                <th class="<?php echo esc_attr($column_id); ?> <?php echo (!empty($column_name['class']) ? $column_name['class'] : ''); ?>"><span class="nobr"><?php echo esc_html($column_name['title']); ?></span></th>
                             <?php endforeach; ?>
                         </tr>
                     </thead>
                     <tbody>
-                        <?php foreach ( $invoices_template->invoices as $invoice ) {
+                        <?php foreach ($invoices_template->invoices as $invoice) {
                             ?>
                             <tr class="wpinv-item wpinv-item-<?php echo $invoice_status = $invoice->get_status(); ?>">
-                                <?php foreach ( wpinv_get_user_invoices_columns() as $column_id => $column_name ) : ?>
-                                    <td class="<?php echo esc_attr( $column_id ); ?> <?php echo (!empty($column_name['class']) ? $column_name['class'] : '');?>" data-title="<?php echo esc_attr( $column_name['title'] ); ?>">
-                                        <?php if ( has_action( 'wpinv_user_invoices_column_' . $column_id ) ) : ?>
-                                            <?php do_action( 'wpinv_user_invoices_column_' . $column_id, $invoice ); ?>
-
-                                        <?php elseif ( 'invoice-number' === $column_id ) : ?>
-                                            <a href="<?php echo esc_url( $invoice->get_view_url() ); ?>">
-                                                <?php echo _x( '#', 'hash before invoice number', 'invoicing' ) . $invoice->get_number(); ?>
+                                <?php foreach (wpinv_get_user_invoices_columns() as $column_id => $column_name) : ?>
+                                    <td class="<?php echo esc_attr($column_id); ?> <?php echo (!empty($column_name['class']) ? $column_name['class'] : ''); ?>" data-title="<?php echo esc_attr($column_name['title']); ?>">
+                                        <?php if (has_action('wpinv_user_invoices_column_' . $column_id)) : ?>
+                                            <?php do_action('wpinv_user_invoices_column_' . $column_id, $invoice); ?>
+
+                                        <?php elseif ('invoice-number' === $column_id) : ?>
+                                            <a href="<?php echo esc_url($invoice->get_view_url()); ?>">
+                                                <?php echo _x('#', 'hash before invoice number', 'invoicing') . $invoice->get_number(); ?>
                                             </a>
 
-                                        <?php elseif ( 'invoice-date' === $column_id ) : $date = wpinv_get_invoice_date( $invoice->ID ); $dateYMD = wpinv_get_invoice_date( $invoice->ID, 'Y-m-d H:i:s' ); ?>
-                                            <time datetime="<?php echo strtotime( $dateYMD ); ?>" title="<?php echo $dateYMD; ?>"><?php echo $date; ?></time>
+                                        <?php elseif ('invoice-date' === $column_id) : $date = wpinv_get_invoice_date($invoice->ID); $dateYMD = wpinv_get_invoice_date($invoice->ID, 'Y-m-d H:i:s'); ?>
+                                            <time datetime="<?php echo strtotime($dateYMD); ?>" title="<?php echo $dateYMD; ?>"><?php echo $date; ?></time>
 
-                                        <?php elseif ( 'invoice-status' === $column_id ) : ?>
-                                            <?php echo wpinv_invoice_status_label( $invoice_status, $invoice->get_status( true ) ) ; ?>
+                                        <?php elseif ('invoice-status' === $column_id) : ?>
+                                            <?php echo wpinv_invoice_status_label($invoice_status, $invoice->get_status(true)); ?>
 
-                                        <?php elseif ( 'invoice-total' === $column_id ) : ?>
-                                            <?php echo $invoice->get_total( true ); ?>
+                                        <?php elseif ('invoice-total' === $column_id) : ?>
+                                            <?php echo $invoice->get_total(true); ?>
 
-                                        <?php elseif ( 'invoice-actions' === $column_id ) : ?>
+                                        <?php elseif ('invoice-actions' === $column_id) : ?>
                                             <?php
                                                 $actions = array(
                                                     'pay'    => array(
                                                         'url'  => $invoice->get_checkout_payment_url(),
-                                                        'name' => __( 'Pay Now', 'invoicing' ),
+                                                        'name' => __('Pay Now', 'invoicing'),
                                                         'class' => 'btn-success'
                                                     ),
                                                     'print'   => array(
                                                         'url'  => $invoice->get_view_url(),
-                                                        'name' => __( 'Print', 'invoicing' ),
+                                                        'name' => __('Print', 'invoicing'),
                                                         'class' => 'btn-primary',
                                                         'attrs' => 'target="_blank"'
                                                     )
                                                 );
 
-                                                if ( ! $invoice->needs_payment() ) {
-                                                    unset( $actions['pay'] );
+                                                if (!$invoice->needs_payment()) {
+                                                    unset($actions['pay']);
                                                 }
 
-                                                if ( $actions = apply_filters( 'wpinv_user_invoices_actions', $actions, $invoice ) ) {
-                                                    foreach ( $actions as $key => $action ) {
+                                                if ($actions = apply_filters('wpinv_user_invoices_actions', $actions, $invoice)) {
+                                                    foreach ($actions as $key => $action) {
                                                         $class = !empty($action['class']) ? sanitize_html_class($action['class']) : '';
-                                                        echo '<a href="' . esc_url( $action['url'] ) . '" class="btn btn-sm ' . $class . ' ' . sanitize_html_class( $key ) . '" ' . ( !empty($action['attrs']) ? $action['attrs'] : '' ) . '>' . $action['name'] . '</a>';
+                                                        echo '<a href="' . esc_url($action['url']) . '" class="btn btn-sm ' . $class . ' ' . sanitize_html_class($key) . '" ' . (!empty($action['attrs']) ? $action['attrs'] : '') . '>' . $action['name'] . '</a>';
                                                     }
                                                 }
                                             ?>
@@ -212,64 +212,64 @@ 
             </div>
             <?php
         
-            do_action( 'wpinv_bp_invoices_after_content' );
+            do_action('wpinv_bp_invoices_after_content');
         } else {
             ?>
             <div id="message" class="info">
-                <p><?php _e( 'No invoice has been made yet.', 'invoicing' ); ?></p>
+                <p><?php _e('No invoice has been made yet.', 'invoicing'); ?></p>
             </div>
             <?php
         }
         
-        if ( defined( 'DOING_AJAX' ) ) {
+        if (defined('DOING_AJAX')) {
             exit;
         }
     }
     
-    public function has_invoices( $args = '' ) {
+    public function has_invoices($args = '') {
         global $invoices_template;
 
-        $per_page = absint( wpinv_get_option( 'wpinv_bp_per_page' ) );
+        $per_page = absint(wpinv_get_option('wpinv_bp_per_page'));
         // Parse arguments.
-        $r = bp_parse_args( $args, array(
+        $r = bp_parse_args($args, array(
             'status'            => 'all',
             'page_arg'          => 'bpage',
             'page'              => 1,
             'per_page'          => $per_page > 0 ? $per_page : 20,
             'max'               => false,
             'user_id'           => bp_loggedin_user_id(),
-        ), 'has_invoices' );
+        ), 'has_invoices');
 
 
-        if ( ! empty( $r['max'] ) && ( (int)$r['per_page'] > (int)$r['max'] ) ) {
+        if (!empty($r['max']) && ((int)$r['per_page'] > (int)$r['max'])) {
             $r['per_page'] = (int)$r['max'];
         }
 
         // Get the invoices.
-        $invoices_template = new WPInv_BP_Invoices_Template( $r['status'], $r['page'], $r['per_page'], $r['max'], $r['user_id'], $r['page_arg'] );
+        $invoices_template = new WPInv_BP_Invoices_Template($r['status'], $r['page'], $r['per_page'], $r['max'], $r['user_id'], $r['page_arg']);
 
-        return apply_filters( 'wpinv_bp_has_invoices', $invoices_template->has_invoices(), $invoices_template, $r );
+        return apply_filters('wpinv_bp_has_invoices', $invoices_template->has_invoices(), $invoices_template, $r);
     }
     
     public function setup_invoice_count() {
-        $query      = apply_filters( 'wpinv_user_invoices_count_query', array( 'user' => bp_loggedin_user_id(), 'limit' => '-1', 'return' => 'ids', 'paginate' => false ) );
-        $invoices   = wpinv_get_invoices( $query );
+        $query      = apply_filters('wpinv_user_invoices_count_query', array('user' => bp_loggedin_user_id(), 'limit' => '-1', 'return' => 'ids', 'paginate' => false));
+        $invoices   = wpinv_get_invoices($query);
         
-        $this->count = !empty( $invoices ) ? count( $invoices ) : 0;
+        $this->count = !empty($invoices) ? count($invoices) : 0;
     }
     
     public function pagination_count() {
         global $invoices_template;
 
-        $start_num = intval( ( $invoices_template->pag_page - 1 ) * $invoices_template->pag_num ) + 1;
-        $from_num  = bp_core_number_format( $start_num );
-        $to_num    = bp_core_number_format( ( $start_num + ( $invoices_template->pag_num - 1 ) > $invoices_template->total_invoice_count ) ? $invoices_template->total_invoice_count : $start_num + ( $invoices_template->pag_num - 1 ) );
-        $total     = bp_core_number_format( $invoices_template->total_invoice_count );
+        $start_num = intval(($invoices_template->pag_page - 1) * $invoices_template->pag_num) + 1;
+        $from_num  = bp_core_number_format($start_num);
+        $to_num    = bp_core_number_format(($start_num + ($invoices_template->pag_num - 1) > $invoices_template->total_invoice_count) ? $invoices_template->total_invoice_count : $start_num + ($invoices_template->pag_num - 1));
+        $total     = bp_core_number_format($invoices_template->total_invoice_count);
 
-        if ( 1 == $invoices_template->total_invoice_count ) {
-            $message = __( 'Viewing 1 invoice', 'invoicing' );
+        if (1 == $invoices_template->total_invoice_count) {
+            $message = __('Viewing 1 invoice', 'invoicing');
         } else {
-            $message = sprintf( _n( 'Viewing %1$s - %2$s of %3$s invoice', 'Viewing %1$s - %2$s of %3$s invoices', $invoices_template->total_invoice_count, 'invoicing' ), $from_num, $to_num, $total );
+            $message = sprintf(_n('Viewing %1$s - %2$s of %3$s invoice', 'Viewing %1$s - %2$s of %3$s invoices', $invoices_template->total_invoice_count, 'invoicing'), $from_num, $to_num, $total);
         }
 
         return $message;
@@ -278,32 +278,32 @@ 
     function pagination_links() {
         global $invoices_template;
 
-        return apply_filters( 'wpinv_bp_get_pagination_links', $invoices_template->pag_links );
+        return apply_filters('wpinv_bp_get_pagination_links', $invoices_template->pag_links);
     }
     
-    public function bp_section( $settings = array() ) {
-        $settings['wpinv_bp'] = __( 'BuddyPress Integration', 'invoicing' );
+    public function bp_section($settings = array()) {
+        $settings['wpinv_bp'] = __('BuddyPress Integration', 'invoicing');
         return $settings;
     }
     
-    public function bp_settings( $settings = array() ) {
+    public function bp_settings($settings = array()) {
         $settings['wpinv_bp'] = array(
             'wpinv_bp_labels' => array(
                 'id'   => 'wpinv_bp_settings',
-                'name' => '<h3>' . __( 'BuddyPress Integration', 'invoicing' ) . '</h3>',
+                'name' => '<h3>' . __('BuddyPress Integration', 'invoicing') . '</h3>',
                 'desc' => '',
                 'type' => 'header',
             ),
             'wpinv_bp_hide_menu' => array(
                 'id'   => 'wpinv_bp_hide_menu',
-                'name' => __( 'Hide Invoices link', 'invoicing' ),
-                'desc' => __( 'Hide Invoices link from BP Profile menu.', 'invoicing' ),
+                'name' => __('Hide Invoices link', 'invoicing'),
+                'desc' => __('Hide Invoices link from BP Profile menu.', 'invoicing'),
                 'type' => 'checkbox',
             ),
             'wpinv_menu_position' => array(
                 'id'   => 'wpinv_menu_position',
-                'name' => __( 'Menu position', 'invoicing' ),
-                'desc' => __( 'Menu position for the Invoices link in BP Profile menu.', 'invoicing' ),
+                'name' => __('Menu position', 'invoicing'),
+                'desc' => __('Menu position for the Invoices link in BP Profile menu.', 'invoicing'),
                 'type' => 'number',
                 'size' => 'small',
                 'min'  => '1',
@@ -313,8 +313,8 @@ 
             ),
             'wpinv_bp_per_page' => array(
                 'id'   => 'wpinv_bp_per_page',
-                'name' => __( 'Max invoices per page', 'invoicing' ),
-                'desc' => __( 'Enter a number to lists the invoices for each page.', 'invoicing' ),
+                'name' => __('Max invoices per page', 'invoicing'),
+                'desc' => __('Enter a number to lists the invoices for each page.', 'invoicing'),
                 'type' => 'number',
                 'size' => 'small',
                 'min'  => '1',
@@ -339,25 +339,25 @@ 
     public $pag_links = '';
     public $total_invoice_count = 0;
     
-    public function __construct( $status, $page, $per_page, $max, $user_id, $page_arg = 'bpage' ) {
-        $this->invoices = array( 'invoices' => array(), 'total' => 0 );
+    public function __construct($status, $page, $per_page, $max, $user_id, $page_arg = 'bpage') {
+        $this->invoices = array('invoices' => array(), 'total' => 0);
         
-        $this->pag_arg  = sanitize_key( $page_arg );
-        $this->pag_page = bp_sanitize_pagination_arg( $this->pag_arg, $page );
-        $this->pag_num  = bp_sanitize_pagination_arg( 'num', $per_page );
+        $this->pag_arg  = sanitize_key($page_arg);
+        $this->pag_page = bp_sanitize_pagination_arg($this->pag_arg, $page);
+        $this->pag_num  = bp_sanitize_pagination_arg('num', $per_page);
 
-        $query_args     = array( 'user' => $user_id, 'page' => $this->pag_page, 'limit' => $this->pag_num, 'return' => 'self', 'paginate' => true );
-        if ( !empty( $status ) && $status != 'all' ) {
+        $query_args     = array('user' => $user_id, 'page' => $this->pag_page, 'limit' => $this->pag_num, 'return' => 'self', 'paginate' => true);
+        if (!empty($status) && $status != 'all') {
            $query_args['status'] = $status;
         }
-        $invoices  = wpinv_get_invoices( apply_filters( 'wpinv_bp_user_invoices_query', $query_args ) );
+        $invoices = wpinv_get_invoices(apply_filters('wpinv_bp_user_invoices_query', $query_args));
         
-        if ( !empty( $invoices ) && !empty( $invoices->found_posts ) ) {
-            $this->invoices['invoices'] = array_map( 'wpinv_get_invoice', $invoices->posts );
+        if (!empty($invoices) && !empty($invoices->found_posts)) {
+            $this->invoices['invoices'] = array_map('wpinv_get_invoice', $invoices->posts);
             $this->invoices['total']    = $invoices->found_posts;
         }
 
-        if ( empty( $max ) || ( $max >= (int)$this->invoices['total'] ) ) {
+        if (empty($max) || ($max >= (int)$this->invoices['total'])) {
             $this->total_invoice_count = (int)$this->invoices['total'];
         } else {
             $this->total_invoice_count = (int)$max;
@@ -365,52 +365,52 @@ 
 
         $this->invoices = $this->invoices['invoices'];
 
-        $invoice_count = count( $this->invoices );
+        $invoice_count = count($this->invoices);
 
-        if ( empty( $max ) || ( $max >= (int)$invoice_count ) ) {
+        if (empty($max) || ($max >= (int)$invoice_count)) {
             $this->invoice_count = (int)$invoice_count;
         } else {
             $this->invoice_count = (int)$max;
         }
         
-        if ( ! empty( $this->total_invoice_count ) && ! empty( $this->pag_num ) ) {
-            $this->pag_links = paginate_links( array(
-                'base'      => add_query_arg( $this->pag_arg, '%#%' ),
+        if (!empty($this->total_invoice_count) && !empty($this->pag_num)) {
+            $this->pag_links = paginate_links(array(
+                'base'      => add_query_arg($this->pag_arg, '%#%'),
                 'format'    => '',
-                'total'     => ceil( (int)$this->total_invoice_count / (int)$this->pag_num ),
+                'total'     => ceil((int)$this->total_invoice_count / (int)$this->pag_num),
                 'current'   => (int)$this->pag_page,
-                'prev_text' => _x( '&larr;', 'Invoice pagination previous text', 'invoicing' ),
-                'next_text' => _x( '&rarr;', 'Invoice pagination next text',     'invoicing' ),
+                'prev_text' => _x('&larr;', 'Invoice pagination previous text', 'invoicing'),
+                'next_text' => _x('&rarr;', 'Invoice pagination next text', 'invoicing'),
                 'mid_size'  => 1,
                 'add_args'  => array(),
-            ) );
+            ));
         }
     }
 
     public function has_invoices() {
-        return (bool) ! empty( $this->invoice_count );
+        return (bool)!empty($this->invoice_count);
     }
 
     public function next_invoice() {
         $this->current_invoice++;
-        $this->invoice = $this->invoices[ $this->current_invoice ];
+        $this->invoice = $this->invoices[$this->current_invoice];
 
         return $this->invoice;
     }
 
     public function rewind_invoices() {
         $this->current_invoice = -1;
-        if ( $this->invoice_count > 0 ) {
+        if ($this->invoice_count > 0) {
             $this->invoice = $this->invoices[0];
         }
     }
 
     public function invoices() {
-        if ( ( $this->current_invoice + 1 ) < $this->invoice_count ) {
+        if (($this->current_invoice + 1) < $this->invoice_count) {
             return true;
-        } elseif ( ( $this->current_invoice + 1 ) === $this->invoice_count ) {
+        } elseif (($this->current_invoice + 1) === $this->invoice_count) {
 
-            do_action( 'wpinv_bp_invoice_loop_end' );
+            do_action('wpinv_bp_invoice_loop_end');
             
             $this->rewind_invoices();
         }
@@ -424,8 +424,8 @@ 
         $this->in_the_loop = true;
         $this->invoice     = $this->next_invoice();
 
-        if ( 0 === $this->current_invoice ) {
-            do_action( 'wpinv_bp_invoice_loop_start' );
+        if (0 === $this->current_invoice) {
+            do_action('wpinv_bp_invoice_loop_start');
         }
     }
 }
@@ -435,9 +435,9 @@ 
 
     $bp->invoicing = new WPInv_BP_Component();
     
-    add_action( 'wp_ajax_invoicing_filter', array( $bp->invoicing, 'invoices_content' ) );
-    add_action( 'wp_ajax_nopriv_invoicing_filter', array( $bp->invoicing, 'invoices_content' ) );
-    add_filter( 'wpinv_settings_sections_general', array( $bp->invoicing, 'bp_section' ), 10, 1 );
-    add_filter( 'wpinv_settings_general', array( $bp->invoicing, 'bp_settings' ), 10, 1 );
+    add_action('wp_ajax_invoicing_filter', array($bp->invoicing, 'invoices_content'));
+    add_action('wp_ajax_nopriv_invoicing_filter', array($bp->invoicing, 'invoices_content'));
+    add_filter('wpinv_settings_sections_general', array($bp->invoicing, 'bp_section'), 10, 1);
+    add_filter('wpinv_settings_general', array($bp->invoicing, 'bp_settings'), 10, 1);
 }
-add_action( 'bp_loaded', 'wpinv_bp_setup_component' );
\ No newline at end of file
+add_action('bp_loaded', 'wpinv_bp_setup_component');
\ No newline at end of file

includes/wpinv-general-functions.php

Spacing +151 added lines, -151 removed lines

@@ -7,195 +7,195 @@ 
  */
  
 // MUST have WordPress.
-if ( !defined( 'WPINC' ) ) {
-    exit( 'Do NOT access this file directly: ' . basename( __FILE__ ) );
+if (!defined('WPINC')) {
+    exit('Do NOT access this file directly: ' . basename(__FILE__));
 }
 
 function wpinv_is_checkout() {
     global $wp_query;
 
-    $is_object_set    = isset( $wp_query->queried_object );
-    $is_object_id_set = isset( $wp_query->queried_object_id );
-    $is_checkout      = is_page( wpinv_get_option( 'checkout_page' ) );
+    $is_object_set    = isset($wp_query->queried_object);
+    $is_object_id_set = isset($wp_query->queried_object_id);
+    $is_checkout      = is_page(wpinv_get_option('checkout_page'));
 
-    if ( !$is_object_set ) {
-        unset( $wp_query->queried_object );
+    if (!$is_object_set) {
+        unset($wp_query->queried_object);
     }
 
-    if ( !$is_object_id_set ) {
-        unset( $wp_query->queried_object_id );
+    if (!$is_object_id_set) {
+        unset($wp_query->queried_object_id);
     }
 
-    return apply_filters( 'wpinv_is_checkout', $is_checkout );
+    return apply_filters('wpinv_is_checkout', $is_checkout);
 }
 
 function wpinv_can_checkout() {
 	$can_checkout = true; // Always true for now
 
-	return (bool) apply_filters( 'wpinv_can_checkout', $can_checkout );
+	return (bool)apply_filters('wpinv_can_checkout', $can_checkout);
 }
 
 function wpinv_get_success_page_uri() {
-	$page_id = wpinv_get_option( 'success_page', 0 );
-	$page_id = absint( $page_id );
+	$page_id = wpinv_get_option('success_page', 0);
+	$page_id = absint($page_id);
 
-	return apply_filters( 'wpinv_get_success_page_uri', get_permalink( $page_id ) );
+	return apply_filters('wpinv_get_success_page_uri', get_permalink($page_id));
 }
 
 function wpinv_get_history_page_uri() {
-	$page_id = wpinv_get_option( 'invoice_history_page', 0 );
-	$page_id = absint( $page_id );
+	$page_id = wpinv_get_option('invoice_history_page', 0);
+	$page_id = absint($page_id);
 
-	return apply_filters( 'wpinv_get_history_page_uri', get_permalink( $page_id ) );
+	return apply_filters('wpinv_get_history_page_uri', get_permalink($page_id));
 }
 
 function wpinv_is_success_page() {
-	$is_success_page = wpinv_get_option( 'success_page', false );
-	$is_success_page = isset( $is_success_page ) ? is_page( $is_success_page ) : false;
+	$is_success_page = wpinv_get_option('success_page', false);
+	$is_success_page = isset($is_success_page) ? is_page($is_success_page) : false;
 
-	return apply_filters( 'wpinv_is_success_page', $is_success_page );
+	return apply_filters('wpinv_is_success_page', $is_success_page);
 }
 
 function wpinv_is_invoice_history_page() {
-	$ret = wpinv_get_option( 'invoice_history_page', false );
-	$ret = $ret ? is_page( $ret ) : false;
-	return apply_filters( 'wpinv_is_invoice_history_page', $ret );
+	$ret = wpinv_get_option('invoice_history_page', false);
+	$ret = $ret ? is_page($ret) : false;
+	return apply_filters('wpinv_is_invoice_history_page', $ret);
 }
 
-function wpinv_send_to_success_page( $args = null ) {
+function wpinv_send_to_success_page($args = null) {
 	$redirect = wpinv_get_success_page_uri();
     
-    if ( !empty( $args ) ) {
+    if (!empty($args)) {
         // Check for backward compatibility
-        if ( is_string( $args ) )
-            $args = str_replace( '?', '', $args );
+        if (is_string($args))
+            $args = str_replace('?', '', $args);
 
-        $args = wp_parse_args( $args );
+        $args = wp_parse_args($args);
 
-        $redirect = add_query_arg( $args, $redirect );
+        $redirect = add_query_arg($args, $redirect);
     }
 
-    $gateway = isset( $_REQUEST['wpi-gateway'] ) ? $_REQUEST['wpi-gateway'] : '';
+    $gateway = isset($_REQUEST['wpi-gateway']) ? $_REQUEST['wpi-gateway'] : '';
     
-    $redirect = apply_filters( 'wpinv_success_page_redirect', $redirect, $gateway, $args );
-    wp_redirect( $redirect );
+    $redirect = apply_filters('wpinv_success_page_redirect', $redirect, $gateway, $args);
+    wp_redirect($redirect);
     exit;
 }
 
-function wpinv_send_to_failed_page( $args = null ) {
+function wpinv_send_to_failed_page($args = null) {
 	$redirect = wpinv_get_failed_transaction_uri();
     
-    if ( !empty( $args ) ) {
+    if (!empty($args)) {
         // Check for backward compatibility
-        if ( is_string( $args ) )
-            $args = str_replace( '?', '', $args );
+        if (is_string($args))
+            $args = str_replace('?', '', $args);
 
-        $args = wp_parse_args( $args );
+        $args = wp_parse_args($args);
 
-        $redirect = add_query_arg( $args, $redirect );
+        $redirect = add_query_arg($args, $redirect);
     }
 
-    $gateway = isset( $_REQUEST['wpi-gateway'] ) ? $_REQUEST['wpi-gateway'] : '';
+    $gateway = isset($_REQUEST['wpi-gateway']) ? $_REQUEST['wpi-gateway'] : '';
     
-    $redirect = apply_filters( 'wpinv_failed_page_redirect', $redirect, $gateway, $args );
-    wp_redirect( $redirect );
+    $redirect = apply_filters('wpinv_failed_page_redirect', $redirect, $gateway, $args);
+    wp_redirect($redirect);
     exit;
 }
 
-function wpinv_get_checkout_uri( $args = array() ) {
-	$uri = wpinv_get_option( 'checkout_page', false );
-	$uri = isset( $uri ) ? get_permalink( $uri ) : NULL;
+function wpinv_get_checkout_uri($args = array()) {
+	$uri = wpinv_get_option('checkout_page', false);
+	$uri = isset($uri) ? get_permalink($uri) : NULL;
 
-	if ( !empty( $args ) ) {
+	if (!empty($args)) {
 		// Check for backward compatibility
-		if ( is_string( $args ) )
-			$args = str_replace( '?', '', $args );
+		if (is_string($args))
+			$args = str_replace('?', '', $args);
 
-		$args = wp_parse_args( $args );
+		$args = wp_parse_args($args);
 
-		$uri = add_query_arg( $args, $uri );
+		$uri = add_query_arg($args, $uri);
 	}
 
-	$scheme = defined( 'FORCE_SSL_ADMIN' ) && FORCE_SSL_ADMIN ? 'https' : 'admin';
+	$scheme = defined('FORCE_SSL_ADMIN') && FORCE_SSL_ADMIN ? 'https' : 'admin';
 
-	$ajax_url = admin_url( 'admin-ajax.php', $scheme );
+	$ajax_url = admin_url('admin-ajax.php', $scheme);
 
-	if ( ( ! preg_match( '/^https/', $uri ) && preg_match( '/^https/', $ajax_url ) ) || wpinv_is_ssl_enforced() ) {
-		$uri = preg_replace( '/^http:/', 'https:', $uri );
+	if ((!preg_match('/^https/', $uri) && preg_match('/^https/', $ajax_url)) || wpinv_is_ssl_enforced()) {
+		$uri = preg_replace('/^http:/', 'https:', $uri);
 	}
 
-	return apply_filters( 'wpinv_get_checkout_uri', $uri );
+	return apply_filters('wpinv_get_checkout_uri', $uri);
 }
 
-function wpinv_send_back_to_checkout( $args = array() ) {
+function wpinv_send_back_to_checkout($args = array()) {
 	$redirect = wpinv_get_checkout_uri();
 
-	if ( ! empty( $args ) ) {
+	if (!empty($args)) {
 		// Check for backward compatibility
-		if ( is_string( $args ) )
-			$args = str_replace( '?', '', $args );
+		if (is_string($args))
+			$args = str_replace('?', '', $args);
 
-		$args = wp_parse_args( $args );
+		$args = wp_parse_args($args);
 
-		$redirect = add_query_arg( $args, $redirect );
+		$redirect = add_query_arg($args, $redirect);
 	}
 
-	wp_redirect( apply_filters( 'wpinv_send_back_to_checkout', $redirect, $args ) );
+	wp_redirect(apply_filters('wpinv_send_back_to_checkout', $redirect, $args));
 	exit;
 }
 
-function wpinv_get_success_page_url( $query_string = null ) {
-	$success_page = wpinv_get_option( 'success_page', 0 );
-	$success_page = get_permalink( $success_page );
+function wpinv_get_success_page_url($query_string = null) {
+	$success_page = wpinv_get_option('success_page', 0);
+	$success_page = get_permalink($success_page);
 
-	if ( $query_string )
+	if ($query_string)
 		$success_page .= $query_string;
 
-	return apply_filters( 'wpinv_success_page_url', $success_page );
+	return apply_filters('wpinv_success_page_url', $success_page);
 }
 
-function wpinv_get_failed_transaction_uri( $extras = false ) {
-	$uri = wpinv_get_option( 'failure_page', '' );
-	$uri = ! empty( $uri ) ? trailingslashit( get_permalink( $uri ) ) : home_url();
+function wpinv_get_failed_transaction_uri($extras = false) {
+	$uri = wpinv_get_option('failure_page', '');
+	$uri = !empty($uri) ? trailingslashit(get_permalink($uri)) : home_url();
 
-	if ( $extras )
+	if ($extras)
 		$uri .= $extras;
 
-	return apply_filters( 'wpinv_get_failed_transaction_uri', $uri );
+	return apply_filters('wpinv_get_failed_transaction_uri', $uri);
 }
 
 function wpinv_is_failed_transaction_page() {
-	$ret = wpinv_get_option( 'failure_page', false );
-	$ret = isset( $ret ) ? is_page( $ret ) : false;
+	$ret = wpinv_get_option('failure_page', false);
+	$ret = isset($ret) ? is_page($ret) : false;
 
-	return apply_filters( 'wpinv_is_failure_page', $ret );
+	return apply_filters('wpinv_is_failure_page', $ret);
 }
 
-function wpinv_transaction_query( $type = 'start' ) {
+function wpinv_transaction_query($type = 'start') {
     global $wpdb;
 
     $wpdb->hide_errors();
 
-    if ( ! defined( 'WPINV_USE_TRANSACTIONS' ) ) {
-        define( 'WPINV_USE_TRANSACTIONS', true );
+    if (!defined('WPINV_USE_TRANSACTIONS')) {
+        define('WPINV_USE_TRANSACTIONS', true);
     }
 
-    if ( WPINV_USE_TRANSACTIONS ) {
-        switch ( $type ) {
+    if (WPINV_USE_TRANSACTIONS) {
+        switch ($type) {
             case 'commit' :
-                $wpdb->query( 'COMMIT' );
+                $wpdb->query('COMMIT');
                 break;
             case 'rollback' :
-                $wpdb->query( 'ROLLBACK' );
+                $wpdb->query('ROLLBACK');
                 break;
             default :
-                $wpdb->query( 'START TRANSACTION' );
+                $wpdb->query('START TRANSACTION');
             break;
         }
     }
 }
 
-function wpinv_create_invoice( $args = array(), $data = array() ) {
+function wpinv_create_invoice($args = array(), $data = array()) {
     $default_args = array(
         'status'        => '',
         'user_id'       => null,
@@ -205,191 +205,191 @@ 
         'parent'        => 0
     );
 
-    $args           = wp_parse_args( $args, $default_args );
+    $args           = wp_parse_args($args, $default_args);
     $invoice_data   = array();
 
-    if ( $args['invoice_id'] > 0 ) {
-        $updating           = true;
+    if ($args['invoice_id'] > 0) {
+        $updating = true;
         $invoice_data['post_type']  = 'wpi_invoice';
         $invoice_data['ID']         = $args['invoice_id'];
     } else {
         $updating                       = false;
         $invoice_data['post_type']      = 'wpi_invoice';
-        $invoice_data['post_status']    = apply_filters( 'wpinv_default_invoice_status', 'pending' );
+        $invoice_data['post_status']    = apply_filters('wpinv_default_invoice_status', 'pending');
         $invoice_data['ping_status']    = 'closed';
-        $invoice_data['post_author']    = !empty( $args['user_id'] ) ? $args['user_id'] : get_current_user_id();
-        $invoice_data['post_title']     = wpinv_format_invoice_number( '0' );
-        $invoice_data['post_parent']    = absint( $args['parent'] );
-        if ( !empty( $args['created_date'] ) ) {
+        $invoice_data['post_author']    = !empty($args['user_id']) ? $args['user_id'] : get_current_user_id();
+        $invoice_data['post_title']     = wpinv_format_invoice_number('0');
+        $invoice_data['post_parent']    = absint($args['parent']);
+        if (!empty($args['created_date'])) {
             $invoice_data['post_date']      = $args['created_date'];
-            $invoice_data['post_date_gmt']  = get_gmt_from_date( $args['created_date'] );
+            $invoice_data['post_date_gmt']  = get_gmt_from_date($args['created_date']);
         }
     }
 
-    if ( $args['status'] ) {
-        if ( ! in_array( $args['status'], array_keys( wpinv_get_invoice_statuses() ) ) ) {
-            return new WP_Error( 'wpinv_invalid_invoice_status', __( 'Invalid invoice status', 'invoicing' ) );
+    if ($args['status']) {
+        if (!in_array($args['status'], array_keys(wpinv_get_invoice_statuses()))) {
+            return new WP_Error('wpinv_invalid_invoice_status', __('Invalid invoice status', 'invoicing'));
         }
-        $invoice_data['post_status']    = $args['status'];
+        $invoice_data['post_status'] = $args['status'];
     }
 
-    if ( ! is_null( $args['user_note'] ) ) {
-        $invoice_data['post_excerpt']   = $args['user_note'];
+    if (!is_null($args['user_note'])) {
+        $invoice_data['post_excerpt'] = $args['user_note'];
     }
 
-    if ( $updating ) {
-        $invoice_id = wp_update_post( $invoice_data );
+    if ($updating) {
+        $invoice_id = wp_update_post($invoice_data);
     } else {
-        $invoice_id = wp_insert_post( apply_filters( 'wpinv_new_invoice_data', $invoice_data ), true );
+        $invoice_id = wp_insert_post(apply_filters('wpinv_new_invoice_data', $invoice_data), true);
     }
 
-    if ( is_wp_error( $invoice_id ) ) {
+    if (is_wp_error($invoice_id)) {
         return $invoice_id;
     } else {
-        if ( !$updating ) {
-            $invoice_number = wpinv_format_invoice_number( $invoice_id );
+        if (!$updating) {
+            $invoice_number = wpinv_format_invoice_number($invoice_id);
             
-            $update = array( 'ID' => $invoice_id, 'post_title' => $invoice_number, 'post_name' => sanitize_title( $invoice_number ) );
-            wp_update_post( $update );
+            $update = array('ID' => $invoice_id, 'post_title' => $invoice_number, 'post_name' => sanitize_title($invoice_number));
+            wp_update_post($update);
             
-            update_post_meta( $invoice_id, '_wpinv_number', $invoice_number );
+            update_post_meta($invoice_id, '_wpinv_number', $invoice_number);
         }
     }
 
-    if ( !$updating ) {
-        update_post_meta( $invoice_id, '_wpinv_key', apply_filters( 'wpinv_generate_invoice_key', uniqid( 'wpinv_' ) ) );
-        update_post_meta( $invoice_id, '_wpinv_currency', wpinv_get_currency() );
-        update_post_meta( $invoice_id, '_wpinv_include_tax', get_option( 'wpinv_prices_include_tax' ) );
-        update_post_meta( $invoice_id, '_wpinv_user_ip', wpinv_get_ip() );
-        update_post_meta( $invoice_id, '_wpinv_user_agent', wpinv_get_user_agent() );
+    if (!$updating) {
+        update_post_meta($invoice_id, '_wpinv_key', apply_filters('wpinv_generate_invoice_key', uniqid('wpinv_')));
+        update_post_meta($invoice_id, '_wpinv_currency', wpinv_get_currency());
+        update_post_meta($invoice_id, '_wpinv_include_tax', get_option('wpinv_prices_include_tax'));
+        update_post_meta($invoice_id, '_wpinv_user_ip', wpinv_get_ip());
+        update_post_meta($invoice_id, '_wpinv_user_agent', wpinv_get_user_agent());
         ///update_post_meta( $invoice_id, '_wpinv_user_id', 0 );
-        update_post_meta( $invoice_id, '_wpinv_created_via', sanitize_text_field( $args['created_via'] ) );
+        update_post_meta($invoice_id, '_wpinv_created_via', sanitize_text_field($args['created_via']));
     }
 
     ///if ( is_numeric( $args['user_id'] ) ) {
         ///update_post_meta( $invoice_id, '_wpinv_user_id', $args['user_id'] );
     ///}
 
-    update_post_meta( $invoice_id, '_wpinv_version', WPINV_VERSION );
+    update_post_meta($invoice_id, '_wpinv_version', WPINV_VERSION);
 
-    return wpinv_get_invoice( $invoice_id );
+    return wpinv_get_invoice($invoice_id);
 }
 
 function wpinv_get_prefix() {
     $invoice_prefix = 'INV-';
     
-    return apply_filters( 'wpinv_get_prefix', $invoice_prefix );
+    return apply_filters('wpinv_get_prefix', $invoice_prefix);
 }
 
 function wpinv_get_business_logo() {
-    $business_logo = wpinv_get_option( 'logo' );
-    return apply_filters( 'wpinv_get_business_logo', $business_logo );
+    $business_logo = wpinv_get_option('logo');
+    return apply_filters('wpinv_get_business_logo', $business_logo);
 }
 
 function wpinv_get_business_name() {
     $business_name = wpinv_get_option('store_name');
-    return apply_filters( 'wpinv_get_business_name', $business_name );
+    return apply_filters('wpinv_get_business_name', $business_name);
 }
 
 function wpinv_get_blogname() {
-    return wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES );
+    return wp_specialchars_decode(get_option('blogname'), ENT_QUOTES);
 }
 
 function wpinv_get_admin_email() {
-    $admin_email = get_option( 'admin_email' );
-    return apply_filters( 'wpinv_admin_email', $admin_email );
+    $admin_email = get_option('admin_email');
+    return apply_filters('wpinv_admin_email', $admin_email);
 }
 
 function wpinv_get_business_website() {
-    $business_website = home_url( '/' );
-    return apply_filters( 'wpinv_get_business_website', $business_website );
+    $business_website = home_url('/');
+    return apply_filters('wpinv_get_business_website', $business_website);
 }
 
-function wpinv_get_terms_text( $invoice_id = 0 ) {
+function wpinv_get_terms_text($invoice_id = 0) {
     $terms_text = '';
-    return apply_filters( 'wpinv_get_terms_text', $terms_text, $invoice_id );
+    return apply_filters('wpinv_get_terms_text', $terms_text, $invoice_id);
 }
 
 function wpinv_get_business_footer() {
-    $site_link = '<a target="_blank" href="' . esc_url( wpinv_get_business_website() ) . '">' . esc_html( wpinv_get_business_name() ) . '</a>';
-    $business_footer = wp_sprintf( __( 'Thanks for using %s', 'invoicing' ), $site_link );
-    return apply_filters( 'wpinv_get_business_footer', $business_footer );
+    $site_link = '<a target="_blank" href="' . esc_url(wpinv_get_business_website()) . '">' . esc_html(wpinv_get_business_name()) . '</a>';
+    $business_footer = wp_sprintf(__('Thanks for using %s', 'invoicing'), $site_link);
+    return apply_filters('wpinv_get_business_footer', $business_footer);
 }
 
 function wpinv_checkout_required_fields() {
     $required_fields = array();
     
     // Let payment gateways and other extensions determine if address fields should be required
-    $require_billing_details = apply_filters( 'wpinv_checkout_required_billing_details', wpinv_use_taxes() );
+    $require_billing_details = apply_filters('wpinv_checkout_required_billing_details', wpinv_use_taxes());
     
-    if ( $require_billing_details ) {
+    if ($require_billing_details) {
         ///$required_fields['email'] = array(
                 ///'error_id' => 'invalid_email',
                 ///'error_message' => __( 'Please enter a valid email address', 'invoicing' )
             ///);
         $required_fields['first_name'] = array(
                 'error_id' => 'invalid_first_name',
-                'error_message' => __( 'Please enter your first name', 'invoicing' )
+                'error_message' => __('Please enter your first name', 'invoicing')
             );
         $required_fields['address'] = array(
                 'error_id' => 'invalid_address',
-                'error_message' => __( 'Please enter your address', 'invoicing' )
+                'error_message' => __('Please enter your address', 'invoicing')
             );
         $required_fields['city'] = array(
                 'error_id' => 'invalid_city',
-                'error_message' => __( 'Please enter your billing city', 'invoicing' )
+                'error_message' => __('Please enter your billing city', 'invoicing')
             );
         $required_fields['state'] = array(
                 'error_id' => 'invalid_state',
-                'error_message' => __( 'Please enter billing state / province', 'invoicing' )
+                'error_message' => __('Please enter billing state / province', 'invoicing')
             );
         $required_fields['country'] = array(
                 'error_id' => 'invalid_country',
-                'error_message' => __( 'Please select your billing country', 'invoicing' )
+                'error_message' => __('Please select your billing country', 'invoicing')
             );
     }
 
-    return apply_filters( 'wpinv_checkout_required_fields', $required_fields );
+    return apply_filters('wpinv_checkout_required_fields', $required_fields);
 }
 
 function wpinv_is_ssl_enforced() {
-    $ssl_enforced = wpinv_get_option( 'enforce_ssl', false );
-    return (bool) apply_filters( 'wpinv_is_ssl_enforced', $ssl_enforced );
+    $ssl_enforced = wpinv_get_option('enforce_ssl', false);
+    return (bool)apply_filters('wpinv_is_ssl_enforced', $ssl_enforced);
 }
 
-function wpinv_user_can_print_invoice( $post ) {
+function wpinv_user_can_print_invoice($post) {
     $allow = false;
     
-    if ( !( $user_id = get_current_user_id() ) ) {
+    if (!($user_id = get_current_user_id())) {
         return $allow;
     }
     
-    if ( is_int( $post ) ) {
-        $post = get_post( $post );
+    if (is_int($post)) {
+        $post = get_post($post);
     }
     
     // Allow to owner.
-    if ( is_object( $post ) && !empty( $post->post_author ) && $post->post_author == $user_id ) {
+    if (is_object($post) && !empty($post->post_author) && $post->post_author == $user_id) {
         $allow = true;
     }
     
     // Allow to admin user.
-    if ( current_user_can( 'manage_options' ) ) {
+    if (current_user_can('manage_options')) {
         $allow = true;
     }
     
-    return apply_filters( 'wpinv_can_print_invoice', $allow, $post );
+    return apply_filters('wpinv_can_print_invoice', $allow, $post);
 }
 
 function wpinv_schedule_events() {
     // hourly, daily and twicedaily
-    if ( !wp_next_scheduled( 'wpinv_register_schedule_event_twicedaily' ) ) {
-        wp_schedule_event( current_time( 'timestamp' ), 'twicedaily', 'wpinv_register_schedule_event_twicedaily' );
+    if (!wp_next_scheduled('wpinv_register_schedule_event_twicedaily')) {
+        wp_schedule_event(current_time('timestamp'), 'twicedaily', 'wpinv_register_schedule_event_twicedaily');
     }
 }
-add_action( 'wp', 'wpinv_schedule_events' );
+add_action('wp', 'wpinv_schedule_events');
 
 function wpinv_schedule_event_twicedaily() {
     wpinv_email_payment_reminders();
 }
-add_action( 'wpinv_register_schedule_event_twicedaily', 'wpinv_schedule_event_twicedaily' );
\ No newline at end of file
+add_action('wpinv_register_schedule_event_twicedaily', 'wpinv_schedule_event_twicedaily');
\ No newline at end of file

includes/class-wpinv-shortcodes.php

Spacing +13 added lines, -13 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
     exit; // Exit if accessed directly
 }
 
@@ -14,11 +14,11 @@ 
             'wpinv_receipt'  => __CLASS__ . '::receipt',
         );
 
-        foreach ( $shortcodes as $shortcode => $function ) {
-            add_shortcode( apply_filters( "{$shortcode}_shortcode_tag", $shortcode ), $function );
+        foreach ($shortcodes as $shortcode => $function) {
+            add_shortcode(apply_filters("{$shortcode}_shortcode_tag", $shortcode), $function);
         }
         
-        add_shortcode( 'wpinv_messages', __CLASS__ . '::messages' );
+        add_shortcode('wpinv_messages', __CLASS__ . '::messages');
     }
 
     public static function shortcode_wrapper(
@@ -32,24 +32,24 @@ 
     ) {
         ob_start();
 
-        echo empty( $wrapper['before'] ) ? '<div class="' . esc_attr( $wrapper['class'] ) . '">' : $wrapper['before'];
-        call_user_func( $function, $atts );
-        echo empty( $wrapper['after'] ) ? '</div>' : $wrapper['after'];
+        echo empty($wrapper['before']) ? '<div class="' . esc_attr($wrapper['class']) . '">' : $wrapper['before'];
+        call_user_func($function, $atts);
+        echo empty($wrapper['after']) ? '</div>' : $wrapper['after'];
 
         return ob_get_clean();
     }
 
-    public static function checkout( $atts = array(), $content = null ) {
-        return wpinv_checkout_form( $atts, $content );
+    public static function checkout($atts = array(), $content = null) {
+        return wpinv_checkout_form($atts, $content);
     }
 
-    public static function messages( $atts, $content = null ) {
+    public static function messages($atts, $content = null) {
         ob_start();
         wpinv_print_errors();
         return '<div class="wpinv">' . ob_get_clean() . '</div>';
     }
     
-    public static function history( $atts, $content = null ) {
+    public static function history($atts, $content = null) {
         ob_start();
         
         wpinv_user_invoices();
@@ -57,7 +57,7 @@ 
         return ob_get_clean();
     }
     
-    public static function receipt( $atts, $content = null ) {
-        return wpinv_payment_receipt( $atts, $content );
+    public static function receipt($atts, $content = null) {
+        return wpinv_payment_receipt($atts, $content);
     }
 }

includes/admin/meta-boxes/class-mb-invoice-address.php

Spacing +48 added lines, -48 removed lines

@@ -1,34 +1,34 @@ 
 <?php
 // MUST have WordPress.
-if ( !defined( 'WPINC' ) ) {
-    exit( 'Do NOT access this file directly: ' . basename( __FILE__ ) );
+if (!defined('WPINC')) {
+    exit('Do NOT access this file directly: ' . basename(__FILE__));
 }
 
 class WPInv_Meta_Box_Billing_Details {
-    public static function output( $post ) {
+    public static function output($post) {
         global $user_ID;
-        $post_id    = !empty( $post->ID ) ? $post->ID : 0;
-        $invoice    = new WPInv_Invoice( $post_id );
+        $post_id    = !empty($post->ID) ? $post->ID : 0;
+        $invoice    = new WPInv_Invoice($post_id);
 ?>
 <div class="gdmbx2-wrap form-table">
     <div id="gdmbx2-metabox-wpinv_address" class="gdmbx2-metabox gdmbx-field-list wpinv-address gdmbx-row">
         <div class="gdmbx-row gdmbx-type-text gdmbx-wpinv-user-id table-layout">
             <div class="gdmbx-th">
-                <label for="post_author_override"><?php _e( 'Customer', 'invoicing' );?></label>
+                <label for="post_author_override"><?php _e('Customer', 'invoicing'); ?></label>
             </div>
             <div class="gdmbx-td gdmbx-customer-div">
-            <?php wpinv_dropdown_users( array(
+            <?php wpinv_dropdown_users(array(
                             'name' => 'post_author_override',
                             'selected' => empty($post->ID) ? $user_ID : $post->post_author,
                             'include_selected' => true,
                             'show' => 'user_email',
                             'orderby' => 'user_email',
                             'class' => 'gdmbx2-text-large'
-                        ) ); ?>
+                        )); ?>
             </div>
         </div>
         <div class="gdmbx-row gdmbx-type-text gdmbx-wpinv-email table-layout" style="display:none">
-            <div class="gdmbx-th"><label for="wpinv_email"><?php _e( 'Email', 'invoicing' );?> <span class="required">*</span></label>
+            <div class="gdmbx-th"><label for="wpinv_email"><?php _e('Email', 'invoicing'); ?> <span class="required">*</span></label>
             </div>
             <div class="gdmbx-td">
                 <input type="hidden" id="wpinv_new_user" name="wpinv_new_user" value="" />
@@ -36,56 +36,56 @@ 
             </div>
         </div>
         <div class="gdmbx-row gdmbx-type-text gdmbx-wpinv-btns table-layout">
-            <div class="gdmbx-th"><label><?php _e( 'Actions', 'invoicing' );?></label>
+            <div class="gdmbx-th"><label><?php _e('Actions', 'invoicing'); ?></label>
             </div>
             <div class="gdmbx-td">
-                <a id="wpinv-fill-user-details" class="button button-small button-secondary" title="<?php esc_attr_e( 'Fill User Details', 'invoicing' );?>" href="javascript:void(0)"><i aria-hidden="true" class="fa fa-refresh"></i><?php _e( 'Fill User Details', 'invoicing' );?></a>
-                <a class="wpinv-new-user button button-small button-secondary" href="javascript:void(0)"><i aria-hidden="true" class="fa fa-plus"></i><?php _e( 'Add New User', 'invoicing' );?></a>
-                <a style="display:none" class="wpinv-new-cancel button button-small button-secondary" href="javascript:void(0)"><i aria-hidden="true" class="fa fa-close"></i><?php _e( 'Cancel', 'invoicing' );?> </a>
+                <a id="wpinv-fill-user-details" class="button button-small button-secondary" title="<?php esc_attr_e('Fill User Details', 'invoicing'); ?>" href="javascript:void(0)"><i aria-hidden="true" class="fa fa-refresh"></i><?php _e('Fill User Details', 'invoicing'); ?></a>
+                <a class="wpinv-new-user button button-small button-secondary" href="javascript:void(0)"><i aria-hidden="true" class="fa fa-plus"></i><?php _e('Add New User', 'invoicing'); ?></a>
+                <a style="display:none" class="wpinv-new-cancel button button-small button-secondary" href="javascript:void(0)"><i aria-hidden="true" class="fa fa-close"></i><?php _e('Cancel', 'invoicing'); ?> </a>
             </div>
         </div>
         <div class="gdmbx-row gdmbx-type-text gdmbx-wpinv-first-name table-layout">
-            <div class="gdmbx-th"><label for="wpinv_first_name"><?php _e( 'First Name', 'invoicing' );?> <span class="required">*</span></label></div>
+            <div class="gdmbx-th"><label for="wpinv_first_name"><?php _e('First Name', 'invoicing'); ?> <span class="required">*</span></label></div>
             <div class="gdmbx-td">
-                <input type="text" class="gdmbx2-text-large" name="wpinv_first_name" id="wpinv_first_name" value="<?php echo esc_attr( $invoice->first_name );?>" required="required" />
+                <input type="text" class="gdmbx2-text-large" name="wpinv_first_name" id="wpinv_first_name" value="<?php echo esc_attr($invoice->first_name); ?>" required="required" />
             </div>
         </div>
         <div class="gdmbx-row gdmbx-type-text gdmbx-wpinv-last-name table-layout">
-            <div class="gdmbx-th"><label for="wpinv_last_name"><?php _e( 'Last Name', 'invoicing' );?></label></div>
+            <div class="gdmbx-th"><label for="wpinv_last_name"><?php _e('Last Name', 'invoicing'); ?></label></div>
             <div class="gdmbx-td">
-                <input type="text" class="gdmbx2-text-large" name="wpinv_last_name" id="wpinv_last_name" value="<?php echo esc_attr( $invoice->last_name );?>" />
+                <input type="text" class="gdmbx2-text-large" name="wpinv_last_name" id="wpinv_last_name" value="<?php echo esc_attr($invoice->last_name); ?>" />
             </div>
         </div>
         <div class="gdmbx-row gdmbx-type-text gdmbx-wpinv-company table-layout">
-            <div class="gdmbx-th"><label for="wpinv_company"><?php _e( 'Company', 'invoicing' );?></label></div>
+            <div class="gdmbx-th"><label for="wpinv_company"><?php _e('Company', 'invoicing'); ?></label></div>
             <div class="gdmbx-td">
-                <input type="text" class="gdmbx2-text-large" name="wpinv_company" id="wpinv_company" value="<?php echo esc_attr( $invoice->company );?>" />
+                <input type="text" class="gdmbx2-text-large" name="wpinv_company" id="wpinv_company" value="<?php echo esc_attr($invoice->company); ?>" />
             </div>
         </div>
         <div class="gdmbx-row gdmbx-type-text gdmbx-wpinv-vat-number table-layout">
-            <div class="gdmbx-th"><label for="wpinv_vat_number"><?php _e( 'Vat Number', 'invoicing' );?></label></div>
+            <div class="gdmbx-th"><label for="wpinv_vat_number"><?php _e('Vat Number', 'invoicing'); ?></label></div>
             <div class="gdmbx-td">
-                <input type="text" class="gdmbx2-text-large" name="wpinv_vat_number" id="wpinv_vat_number" value="<?php echo esc_attr( $invoice->vat_number );?>" />
+                <input type="text" class="gdmbx2-text-large" name="wpinv_vat_number" id="wpinv_vat_number" value="<?php echo esc_attr($invoice->vat_number); ?>" />
             </div>
         </div>
         <div class="gdmbx-row gdmbx-type-text gdmbx-wpinv-address table-layout">
-            <div class="gdmbx-th"><label for="wpinv_address"><?php _e( 'Address', 'invoicing' );?> <span class="required">*</span></label></div>
+            <div class="gdmbx-th"><label for="wpinv_address"><?php _e('Address', 'invoicing'); ?> <span class="required">*</span></label></div>
             <div class="gdmbx-td">
-                <input type="text" class="gdmbx2-text-large" name="wpinv_address" id="wpinv_address" value="<?php echo esc_attr( $invoice->address );?>" required="required" />
+                <input type="text" class="gdmbx2-text-large" name="wpinv_address" id="wpinv_address" value="<?php echo esc_attr($invoice->address); ?>" required="required" />
             </div>
         </div>
         <div class="gdmbx-row gdmbx-type-text gdmbx-wpinv-city table-layout">
-            <div class="gdmbx-th"><label for="wpinv_city"><?php _e( 'City', 'invoicing' );?> <span class="required">*</span></label></div>
+            <div class="gdmbx-th"><label for="wpinv_city"><?php _e('City', 'invoicing'); ?> <span class="required">*</span></label></div>
             <div class="gdmbx-td">
-                <input type="text" class="gdmbx2-text-large" name="wpinv_city" id="wpinv_city" value="<?php echo esc_attr( $invoice->city );?>" required="required" />
+                <input type="text" class="gdmbx2-text-large" name="wpinv_city" id="wpinv_city" value="<?php echo esc_attr($invoice->city); ?>" required="required" />
             </div>
         </div>
         <div class="gdmbx-row gdmbx-type-select gdmbx-wpinv-country table-layout">
-            <div class="gdmbx-th"><label for="wpinv_country"><?php _e( 'Country', 'invoicing' );?> <span class="required">*</span> <span class="wpi-loader"><i class="fa fa-refresh fa-spin"></i></span></label></div>
+            <div class="gdmbx-th"><label for="wpinv_country"><?php _e('Country', 'invoicing'); ?> <span class="required">*</span> <span class="wpi-loader"><i class="fa fa-refresh fa-spin"></i></span></label></div>
             <div class="gdmbx-td">
                 <?php
-                echo wpinv_html_select( array(
-                    'options'          => array_merge( array( '' => __( 'Choose a country', 'invoicing' ) ), wpinv_get_country_list() ),
+                echo wpinv_html_select(array(
+                    'options'          => array_merge(array('' => __('Choose a country', 'invoicing')), wpinv_get_country_list()),
                     'name'             => 'wpinv_country',
                     'id'               => 'wpinv_country',
                     'selected'         => $invoice->country,
@@ -93,20 +93,20 @@ 
                     'show_option_none' => false,
                     'class'            => 'gdmbx2-text-large',
                     'chosen'           => false,
-                    'placeholder'      => __( 'Choose a country', 'invoicing' ),
+                    'placeholder'      => __('Choose a country', 'invoicing'),
                     'required'         => true,
-                ) );
+                ));
                 ?>
             </div>
         </div>
         <div class="gdmbx-row gdmbx-type-text gdmbx-wpinv-state table-layout">
-            <div class="gdmbx-th"><label for="wpinv_state"><?php _e( 'State', 'invoicing' );?> <span class="required">*</span></label></div>
+            <div class="gdmbx-th"><label for="wpinv_state"><?php _e('State', 'invoicing'); ?> <span class="required">*</span></label></div>
             <div class="gdmbx-td">
                 <?php
-                $states = wpinv_get_country_states( $invoice->country );
-                if( !empty( $states ) ) {
-                    echo wpinv_html_select( array(
-                        'options'          => array_merge( array( '' => __( 'Choose a state', 'invoicing' ) ), $states ),
+                $states = wpinv_get_country_states($invoice->country);
+                if (!empty($states)) {
+                    echo wpinv_html_select(array(
+                        'options'          => array_merge(array('' => __('Choose a state', 'invoicing')), $states),
                         'name'             => 'wpinv_state',
                         'id'               => 'wpinv_state',
                         'selected'         => $invoice->state,
@@ -114,44 +114,44 @@ 
                         'show_option_none' => false,
                         'class'            => 'gdmbx2-text-large',
                         'chosen'           => false,
-                        'placeholder'      => __( 'Choose a state', 'invoicing' ),
+                        'placeholder'      => __('Choose a state', 'invoicing'),
                         'required'         => true,
-                    ) );
+                    ));
                 } else {
-                    echo wpinv_html_text( array(
+                    echo wpinv_html_text(array(
                         'name'  => 'wpinv_state',
-                        'value' => ! empty( $invoice->state ) ? $invoice->state : '',
+                        'value' => !empty($invoice->state) ? $invoice->state : '',
                         'id'    => 'wpinv_state',
                         'class' => 'gdmbx2-text-large',
                         'required' => true,
-                    ) );
+                    ));
                 }
                 ?>
             </div>
         </div>
         <div class="gdmbx-row gdmbx-type-text gdmbx-wpinv-zip table-layout">
-            <div class="gdmbx-th"><label for="wpinv_zip"><?php _e( 'Zipcode', 'invoicing' );?></label></div>
+            <div class="gdmbx-th"><label for="wpinv_zip"><?php _e('Zipcode', 'invoicing'); ?></label></div>
             <div class="gdmbx-td">
-                <input type="text" class="gdmbx2-text-large" name="wpinv_zip" id="wpinv_zip" value="<?php echo esc_attr( $invoice->zip );?>" />
+                <input type="text" class="gdmbx2-text-large" name="wpinv_zip" id="wpinv_zip" value="<?php echo esc_attr($invoice->zip); ?>" />
             </div>
         </div>
         <div class="gdmbx-row gdmbx-type-text gdmbx-wpinv-phone table-layout">
-            <div class="gdmbx-th"><label for="wpinv_phone"><?php _e( 'Phone', 'invoicing' );?> <?php if ( wpinv_get_option( 'phone_mandatory' ) ) { echo '<span class="required">*</span>'; } ?></label></div>
+            <div class="gdmbx-th"><label for="wpinv_phone"><?php _e('Phone', 'invoicing'); ?> <?php if (wpinv_get_option('phone_mandatory')) { echo '<span class="required">*</span>'; } ?></label></div>
             <div class="gdmbx-td">
-                <input type="text" class="gdmbx2-text-large" name="wpinv_phone" id="wpinv_phone" value="<?php echo esc_attr( $invoice->phone );?>" <?php if ( wpinv_get_option( 'phone_mandatory' ) ) { echo 'required="required"'; } ?> />
+                <input type="text" class="gdmbx2-text-large" name="wpinv_phone" id="wpinv_phone" value="<?php echo esc_attr($invoice->phone); ?>" <?php if (wpinv_get_option('phone_mandatory')) { echo 'required="required"'; } ?> />
             </div>
         </div>
         <div class="gdmbx-row gdmbx-type-text gdmbx-wpinv-ip table-layout">
-            <div class="gdmbx-th"><label for="wpinv_ip"><?php _e( 'IP Address', 'invoicing' );?><?php if ($invoice->ip) { ?>
-                &nbsp;&nbsp;<a href="<?php echo admin_url( 'admin-ajax.php?action=wpinv_ip_geolocation&ip=' . $invoice->ip ); ?>" title="<?php esc_attr_e( 'View IP information', 'invoicing' );?>" target="_blank"><i class="fa fa-external-link" aria-hidden="true"></i></a>
+            <div class="gdmbx-th"><label for="wpinv_ip"><?php _e('IP Address', 'invoicing'); ?><?php if ($invoice->ip) { ?>
+                &nbsp;&nbsp;<a href="<?php echo admin_url('admin-ajax.php?action=wpinv_ip_geolocation&ip=' . $invoice->ip); ?>" title="<?php esc_attr_e('View IP information', 'invoicing'); ?>" target="_blank"><i class="fa fa-external-link" aria-hidden="true"></i></a>
                 <?php } ?></label></div>
             <div class="gdmbx-td">
-                <input type="text" class="gdmbx2-text-large" value="<?php echo esc_attr( $invoice->ip );?>" readonly />
+                <input type="text" class="gdmbx2-text-large" value="<?php echo esc_attr($invoice->ip); ?>" readonly />
             </div>
         </div>
     </div>
 </div>
-<?php wp_nonce_field( 'wpinv_save_invoice', 'wpinv_save_invoice' ) ;?>
+<?php wp_nonce_field('wpinv_save_invoice', 'wpinv_save_invoice'); ?>
 <?php
     }
 }

includes/admin/meta-boxes/class-mb-invoice-notes.php

Spacing +12 added lines, -12 removed lines

@@ -1,39 +1,39 @@
 <?php
 // MUST have WordPress.
-if ( !defined( 'WPINC' ) ) {
-    exit( 'Do NOT access this file directly: ' . basename( __FILE__ ) );
+if (!defined('WPINC')) {
+    exit('Do NOT access this file directly: ' . basename(__FILE__));
 }
 
 class WPInv_Meta_Box_Notes {
-    public static function output( $post ) {
+    public static function output($post) {
         global $post;
 
-        $notes = wpinv_get_invoice_notes( $post->ID );
+        $notes = wpinv_get_invoice_notes($post->ID);
 
         echo '<ul class="invoice_notes">';
 
-        if ( $notes ) {
-            foreach( $notes as $note ) {
-                wpinv_get_invoice_note_line_item( $note );
+        if ($notes) {
+            foreach ($notes as $note) {
+                wpinv_get_invoice_note_line_item($note);
             }
 
         } else {
-            echo '<li>' . __( 'There are no notes yet.', 'invoicing' ) . '</li>';
+            echo '<li>' . __('There are no notes yet.', 'invoicing') . '</li>';
         }
 
         echo '</ul>';
         ?>
         <div class="add_note">
-            <h4><?php _e( 'Add note', 'invoicing' ); ?></h4>
+            <h4><?php _e('Add note', 'invoicing'); ?></h4>
             <p>
                 <textarea type="text" name="invoice_note" id="add_invoice_note" class="input-text" cols="20" rows="5"></textarea>
             </p>
             <p>
                 <select name="invoice_note_type" id="invoice_note_type">
-                    <option value=""><?php _e( 'Private note', 'invoicing' ); ?></option>
-                    <option value="customer"><?php _e( 'Note to customer', 'invoicing' ); ?></option>
+                    <option value=""><?php _e('Private note', 'invoicing'); ?></option>
+                    <option value="customer"><?php _e('Note to customer', 'invoicing'); ?></option>
                 </select>
-                <a href="#" class="add_note button"><?php _e( 'Add', 'invoicing' ); ?></a> <span class="description"><?php _e( 'Add a note for your reference, or add a customer note (the user will be notified).', 'invoicing' ); ?></span>
+                <a href="#" class="add_note button"><?php _e('Add', 'invoicing'); ?></a> <span class="description"><?php _e('Add a note for your reference, or add a customer note (the user will be notified).', 'invoicing'); ?></span>
             </p>
         </div>
         <?php

includes/admin/install.php

Spacing +49 added lines, -49 removed lines

@@ -1,22 +1,22 @@ 
 <?php
-register_activation_hook( WPINV_PLUGIN_FILE, 'wpinv_plugin_activation' );
-register_deactivation_hook( WPINV_PLUGIN_FILE, 'wpinv_plugin_deactivation' );
+register_activation_hook(WPINV_PLUGIN_FILE, 'wpinv_plugin_activation');
+register_deactivation_hook(WPINV_PLUGIN_FILE, 'wpinv_plugin_deactivation');
 
-function wpinv_plugin_activation( $network_wide = false ) {
-    set_transient( '_wpinv_activation_redirect', true, 30 );
-    wpinv_install( $network_wide );
+function wpinv_plugin_activation($network_wide = false) {
+    set_transient('_wpinv_activation_redirect', true, 30);
+    wpinv_install($network_wide);
 }
 
 function wpinv_plugin_deactivation() {
     // plugin deactivation stuff
 }
     
-function wpinv_install( $network_wide = false ) {
+function wpinv_install($network_wide = false) {
     global $wpdb;
 
-    if ( is_multisite() && $network_wide ) {
-        foreach ( $wpdb->get_col( "SELECT blog_id FROM $wpdb->blogs LIMIT 100" ) as $blog_id ) {
-            switch_to_blog( $blog_id );
+    if (is_multisite() && $network_wide) {
+        foreach ($wpdb->get_col("SELECT blog_id FROM $wpdb->blogs LIMIT 100") as $blog_id) {
+            switch_to_blog($blog_id);
             wpinv_run_install();
             restore_current_blog();
         }
@@ -32,75 +32,75 @@ 
     wpinv_register_post_types();
     
     // Clear the permalinks
-    flush_rewrite_rules( false );
+    flush_rewrite_rules(false);
     
     // Add Upgraded From Option
-    $current_version = get_option( 'wpinv_version' );
-    if ( $current_version ) {
-        update_option( 'wpinv_version_upgraded_from', $current_version );
+    $current_version = get_option('wpinv_version');
+    if ($current_version) {
+        update_option('wpinv_version_upgraded_from', $current_version);
     }
         
     // Pull options from WP, not GD Invoice's global
-    $current_options = get_option( 'wpinv_settings', array() );
+    $current_options = get_option('wpinv_settings', array());
     
     // Setup some default options
     $options = wpinv_create_pages();
     
     // Populate some default values
-    foreach( wpinv_get_registered_settings() as $tab => $sections ) {
-        foreach( $sections as $section => $settings) {
+    foreach (wpinv_get_registered_settings() as $tab => $sections) {
+        foreach ($sections as $section => $settings) {
             // Check for backwards compatibility
-            $tab_sections = wpinv_get_settings_tab_sections( $tab );
-            if( ! is_array( $tab_sections ) || ! array_key_exists( $section, $tab_sections ) ) {
+            $tab_sections = wpinv_get_settings_tab_sections($tab);
+            if (!is_array($tab_sections) || !array_key_exists($section, $tab_sections)) {
                 $section = 'main';
                 $settings = $sections;
             }
 
-            foreach ( $settings as $option ) {
-                if ( !empty( $option['id'] ) && !isset( $wpinv_options[ $option['id'] ] ) ) {
-                    if ( 'checkbox' == $option['type'] && !empty( $option['std'] ) ) {
-                        $options[ $option['id'] ] = '1';
-                    } else if ( !empty( $option['std'] ) ) {
-                        $options[ $option['id'] ] = $option['std'];
+            foreach ($settings as $option) {
+                if (!empty($option['id']) && !isset($wpinv_options[$option['id']])) {
+                    if ('checkbox' == $option['type'] && !empty($option['std'])) {
+                        $options[$option['id']] = '1';
+                    } else if (!empty($option['std'])) {
+                        $options[$option['id']] = $option['std'];
                     }
                 }
             }
         }
     }
     
-    $merged_options     = array_merge( $wpinv_options, $options );
+    $merged_options     = array_merge($wpinv_options, $options);
     $wpinv_options      = $merged_options;
     
-    update_option( 'wpinv_settings', $merged_options );
-    update_option( 'wpinv_version', WPINV_VERSION );
+    update_option('wpinv_settings', $merged_options);
+    update_option('wpinv_version', WPINV_VERSION);
     
     // Check for PHP Session support, and enable if available
     $wpi_session->use_php_sessions();
     
     // Add a temporary option to note that GD Invoice pages have been created
-    set_transient( '_wpinv_installed', $merged_options, 30 );
+    set_transient('_wpinv_installed', $merged_options, 30);
     
     // Bail if activating from network, or bulk
-    if ( is_network_admin() || isset( $_GET['activate-multi'] ) ) {
+    if (is_network_admin() || isset($_GET['activate-multi'])) {
         return;
     }
     
     // Add the transient to redirect
-    set_transient( '_wpinv_activation_redirect', true, 30 );
+    set_transient('_wpinv_activation_redirect', true, 30);
 }
 
 /**
  * When a new Blog is created in multisite, see if Invoicing is network activated, and run the installer.
  *
  */
-function wpinv_new_blog_created( $blog_id, $user_id, $domain, $path, $site_id, $meta ) {
-    if ( is_plugin_active_for_network( plugin_basename( WPINV_PLUGIN_FILE ) ) ) {
-        switch_to_blog( $blog_id );
+function wpinv_new_blog_created($blog_id, $user_id, $domain, $path, $site_id, $meta) {
+    if (is_plugin_active_for_network(plugin_basename(WPINV_PLUGIN_FILE))) {
+        switch_to_blog($blog_id);
         wpinv_run_install();
         restore_current_blog();
     }
 }
-add_action( 'wpmu_new_blog', 'wpinv_new_blog_created', 10, 6 );
+add_action('wpmu_new_blog', 'wpinv_new_blog_created', 10, 6);
 
 /**
  * Post-installation.
@@ -108,23 +108,23 @@ 
  * Runs just after plugin installation and exposes the wpinv_after_install hook.
  */
 function wpinv_after_install() {
-    if ( ! is_admin() ) {
+    if (!is_admin()) {
         return;
     }
 
-    $wpinv_options      = get_transient( '_wpinv_installed' );
-    $wpinv_table_check  = get_option( '_wpinv_table_check', false );
+    $wpinv_options      = get_transient('_wpinv_installed');
+    $wpinv_table_check  = get_option('_wpinv_table_check', false);
 
-    if ( false === $wpinv_table_check || current_time( 'timestamp' ) > $wpinv_table_check ) {
-        update_option( '_wpinv_table_check', ( current_time( 'timestamp' ) + WEEK_IN_SECONDS ) );
+    if (false === $wpinv_table_check || current_time('timestamp') > $wpinv_table_check) {
+        update_option('_wpinv_table_check', (current_time('timestamp') + WEEK_IN_SECONDS));
     }
 
-    if ( false !== $wpinv_options ) {
+    if (false !== $wpinv_options) {
         // Delete the transient
-        delete_transient( '_wpinv_installed' );
+        delete_transient('_wpinv_installed');
     }
 }
-add_action( 'admin_init', 'wpinv_after_install' );
+add_action('admin_init', 'wpinv_after_install');
 
 function wpinv_create_pages() {
     global $wpinv_options;
@@ -132,11 +132,11 @@ 
     $options = array();
     
     // Checks if the purchase page option exists
-    if ( ! array_key_exists( 'checkout_page', $wpinv_options ) ) {
+    if (!array_key_exists('checkout_page', $wpinv_options)) {
         // Checkout Page
         $checkout = wp_insert_post(
             array(
-                'post_title'     => __( 'Checkout', 'invoicing' ),
+                'post_title'     => __('Checkout', 'invoicing'),
                 'post_content'   => '[wpinv_checkout]',
                 'post_status'    => 'publish',
                 'post_author'    => 1,
@@ -150,7 +150,7 @@ 
         // Invoice History (History) Page
         $history = wp_insert_post(
             array(
-                'post_title'     => __( 'Invoice History', 'invoicing' ),
+                'post_title'     => __('Invoice History', 'invoicing'),
                 'post_content'   => '[wpinv_history]',
                 'post_status'    => 'publish',
                 'post_author'    => 1,
@@ -164,8 +164,8 @@ 
         // Payment Confirmation (Success) Page
         $success = wp_insert_post(
             array(
-                'post_title'     => __( 'Payment Confirmation', 'invoicing' ),
-                'post_content'   => __( '[wpinv_receipt]', 'invoicing' ),
+                'post_title'     => __('Payment Confirmation', 'invoicing'),
+                'post_content'   => __('[wpinv_receipt]', 'invoicing'),
                 'post_status'    => 'publish',
                 'post_author'    => 1,
                 'post_parent'    => $checkout,
@@ -178,8 +178,8 @@ 
         // Failed Payment Page
         $failed = wp_insert_post(
             array(
-                'post_title'     => __( 'Transaction Failed', 'invoicing' ),
-                'post_content'   => __( 'Your transaction failed, please try again or contact site support.', 'invoicing' ),
+                'post_title'     => __('Transaction Failed', 'invoicing'),
+                'post_content'   => __('Your transaction failed, please try again or contact site support.', 'invoicing'),
                 'post_status'    => 'publish',
                 'post_author'    => 1,
                 'post_type'      => 'page',

includes/admin/register-settings.php

Spacing +472 added lines, -472 removed lines

@@ -1,66 +1,66 @@ 
 <?php
 // MUST have WordPress.
-if ( !defined( 'WPINC' ) ) {
-    exit( 'Do NOT access this file directly: ' . basename( __FILE__ ) );
+if (!defined('WPINC')) {
+    exit('Do NOT access this file directly: ' . basename(__FILE__));
 }
 
-function wpinv_get_option( $key = '', $default = false ) {
+function wpinv_get_option($key = '', $default = false) {
     global $wpinv_options;
 
-    $value = isset( $wpinv_options[ $key ] ) ? $wpinv_options[ $key ] : $default;
-    $value = apply_filters( 'wpinv_get_option', $value, $key, $default );
+    $value = isset($wpinv_options[$key]) ? $wpinv_options[$key] : $default;
+    $value = apply_filters('wpinv_get_option', $value, $key, $default);
 
-    return apply_filters( 'wpinv_get_option_' . $key, $value, $key, $default );
+    return apply_filters('wpinv_get_option_' . $key, $value, $key, $default);
 }
 
-function wpinv_update_option( $key = '', $value = false ) {
+function wpinv_update_option($key = '', $value = false) {
     // If no key, exit
-    if ( empty( $key ) ) {
+    if (empty($key)) {
         return false;
     }
 
-    if ( empty( $value ) ) {
-        $remove_option = wpinv_delete_option( $key );
+    if (empty($value)) {
+        $remove_option = wpinv_delete_option($key);
         return $remove_option;
     }
 
     // First let's grab the current settings
-    $options = get_option( 'wpinv_settings' );
+    $options = get_option('wpinv_settings');
 
     // Let's let devs alter that value coming in
-    $value = apply_filters( 'wpinv_update_option', $value, $key );
+    $value = apply_filters('wpinv_update_option', $value, $key);
 
     // Next let's try to update the value
-    $options[ $key ] = $value;
-    $did_update = update_option( 'wpinv_settings', $options );
+    $options[$key] = $value;
+    $did_update = update_option('wpinv_settings', $options);
 
     // If it updated, let's update the global variable
-    if ( $did_update ) {
+    if ($did_update) {
         global $wpinv_options;
-        $wpinv_options[ $key ] = $value;
+        $wpinv_options[$key] = $value;
     }
 
     return $did_update;
 }
 
-function wpinv_delete_option( $key = '' ) {
+function wpinv_delete_option($key = '') {
     // If no key, exit
-    if ( empty( $key ) ) {
+    if (empty($key)) {
         return false;
     }
 
     // First let's grab the current settings
-    $options = get_option( 'wpinv_settings' );
+    $options = get_option('wpinv_settings');
 
     // Next let's try to update the value
-    if( isset( $options[ $key ] ) ) {
-        unset( $options[ $key ] );
+    if (isset($options[$key])) {
+        unset($options[$key]);
     }
 
-    $did_update = update_option( 'wpinv_settings', $options );
+    $did_update = update_option('wpinv_settings', $options);
 
     // If it updated, let's update the global variable
-    if ( $did_update ){
+    if ($did_update) {
         global $wpinv_options;
         $wpinv_options = $options;
     }
@@ -69,37 +69,37 @@ 
 }
 
 function wpinv_get_settings() {
-    $settings = get_option( 'wpinv_settings' );
+    $settings = get_option('wpinv_settings');
 
-    if ( empty( $settings ) ) {
+    if (empty($settings)) {
         // Update old settings with new single option
-        $general_settings   = is_array( get_option( 'wpinv_settings_general' ) )    ? get_option( 'wpinv_settings_general' )    : array();
-        $gateways_settings  = is_array( get_option( 'wpinv_settings_gateways' ) )   ? get_option( 'wpinv_settings_gateways' )   : array();
-        $email_settings     = is_array( get_option( 'wpinv_settings_emails' ) )     ? get_option( 'wpinv_settings_emails' )     : array();
-        $tax_settings       = is_array( get_option( 'wpinv_settings_taxes' ) )      ? get_option( 'wpinv_settings_taxes' )      : array();
-        $misc_settings      = is_array( get_option( 'wpinv_settings_misc' ) )       ? get_option( 'wpinv_settings_misc' )       : array();
-        $tool_settings      = is_array( get_option( 'wpinv_settings_tools' ) )      ? get_option( 'wpinv_settings_tools' )      : array();
+        $general_settings   = is_array(get_option('wpinv_settings_general')) ? get_option('wpinv_settings_general') : array();
+        $gateways_settings  = is_array(get_option('wpinv_settings_gateways')) ? get_option('wpinv_settings_gateways') : array();
+        $email_settings     = is_array(get_option('wpinv_settings_emails')) ? get_option('wpinv_settings_emails') : array();
+        $tax_settings       = is_array(get_option('wpinv_settings_taxes')) ? get_option('wpinv_settings_taxes') : array();
+        $misc_settings      = is_array(get_option('wpinv_settings_misc')) ? get_option('wpinv_settings_misc') : array();
+        $tool_settings      = is_array(get_option('wpinv_settings_tools')) ? get_option('wpinv_settings_tools') : array();
 
-        $settings = array_merge( $general_settings, $gateways_settings, $tax_settings, $tool_settings );
+        $settings = array_merge($general_settings, $gateways_settings, $tax_settings, $tool_settings);
 
-        update_option( 'wpinv_settings', $settings );
+        update_option('wpinv_settings', $settings);
 
     }
-    return apply_filters( 'wpinv_get_settings', $settings );
+    return apply_filters('wpinv_get_settings', $settings);
 }
 
 function wpinv_register_settings() {
-    if ( false == get_option( 'wpinv_settings' ) ) {
-        add_option( 'wpinv_settings' );
+    if (false == get_option('wpinv_settings')) {
+        add_option('wpinv_settings');
     }
     
     $register_settings = wpinv_get_registered_settings();
     
-    foreach ( $register_settings as $tab => $sections ) {
-        foreach ( $sections as $section => $settings) {
+    foreach ($register_settings as $tab => $sections) {
+        foreach ($sections as $section => $settings) {
             // Check for backwards compatibility
-            $section_tabs = wpinv_get_settings_tab_sections( $tab );
-            if ( ! is_array( $section_tabs ) || ! array_key_exists( $section, $section_tabs ) ) {
+            $section_tabs = wpinv_get_settings_tab_sections($tab);
+            if (!is_array($section_tabs) || !array_key_exists($section, $section_tabs)) {
                 $section = 'main';
                 $settings = $sections;
             }
@@ -111,42 +111,42 @@ 
                 'wpinv_settings_' . $tab . '_' . $section
             );
 
-            foreach ( $settings as $option ) {
+            foreach ($settings as $option) {
                 // For backwards compatibility
-                if ( empty( $option['id'] ) ) {
+                if (empty($option['id'])) {
                     continue;
                 }
 
-                $name = isset( $option['name'] ) ? $option['name'] : '';
+                $name = isset($option['name']) ? $option['name'] : '';
 
                 add_settings_field(
                     'wpinv_settings[' . $option['id'] . ']',
                     $name,
-                    function_exists( 'wpinv_' . $option['type'] . '_callback' ) ? 'wpinv_' . $option['type'] . '_callback' : 'wpinv_missing_callback',
+                    function_exists('wpinv_' . $option['type'] . '_callback') ? 'wpinv_' . $option['type'] . '_callback' : 'wpinv_missing_callback',
                     'wpinv_settings_' . $tab . '_' . $section,
                     'wpinv_settings_' . $tab . '_' . $section,
                     array(
                         'section'     => $section,
-                        'id'          => isset( $option['id'] )          ? $option['id']          : null,
-                        'desc'        => ! empty( $option['desc'] )      ? $option['desc']        : '',
-                        'name'        => isset( $option['name'] )        ? $option['name']        : null,
-                        'size'        => isset( $option['size'] )        ? $option['size']        : null,
-                        'options'     => isset( $option['options'] )     ? $option['options']     : '',
-                        'selected'    => isset( $option['selected'] )    ? $option['selected']    : null,
-                        'std'         => isset( $option['std'] )         ? $option['std']         : '',
-                        'min'         => isset( $option['min'] )         ? $option['min']         : null,
-                        'max'         => isset( $option['max'] )         ? $option['max']         : null,
-                        'step'        => isset( $option['step'] )        ? $option['step']        : null,
-                        'chosen'      => isset( $option['chosen'] )      ? $option['chosen']      : null,
-                        'placeholder' => isset( $option['placeholder'] ) ? $option['placeholder'] : null,
-                        'allow_blank' => isset( $option['allow_blank'] ) ? $option['allow_blank'] : true,
-                        'readonly'    => isset( $option['readonly'] )    ? $option['readonly']    : false,
-                        'faux'        => isset( $option['faux'] )        ? $option['faux']        : false,
-                        'onchange'    => !empty( $option['onchange'] )   ? $option['onchange']    : '',
-                        'custom'      => !empty( $option['custom'] )     ? $option['custom']      : '',
-                        'class'       =>  !empty( $option['class'] )     ? $option['class']      : '',
-                        'cols'        => !empty( $option['cols'] ) && (int)$option['cols'] > 0 ? (int)$option['cols'] : 50,
-                        'rows'        => !empty( $option['rows'] ) && (int)$option['rows'] > 0 ? (int)$option['rows'] : 5,
+                        'id'          => isset($option['id']) ? $option['id'] : null,
+                        'desc'        => !empty($option['desc']) ? $option['desc'] : '',
+                        'name'        => isset($option['name']) ? $option['name'] : null,
+                        'size'        => isset($option['size']) ? $option['size'] : null,
+                        'options'     => isset($option['options']) ? $option['options'] : '',
+                        'selected'    => isset($option['selected']) ? $option['selected'] : null,
+                        'std'         => isset($option['std']) ? $option['std'] : '',
+                        'min'         => isset($option['min']) ? $option['min'] : null,
+                        'max'         => isset($option['max']) ? $option['max'] : null,
+                        'step'        => isset($option['step']) ? $option['step'] : null,
+                        'chosen'      => isset($option['chosen']) ? $option['chosen'] : null,
+                        'placeholder' => isset($option['placeholder']) ? $option['placeholder'] : null,
+                        'allow_blank' => isset($option['allow_blank']) ? $option['allow_blank'] : true,
+                        'readonly'    => isset($option['readonly']) ? $option['readonly'] : false,
+                        'faux'        => isset($option['faux']) ? $option['faux'] : false,
+                        'onchange'    => !empty($option['onchange']) ? $option['onchange'] : '',
+                        'custom'      => !empty($option['custom']) ? $option['custom'] : '',
+                        'class'       =>  !empty($option['class']) ? $option['class'] : '',
+                        'cols'        => !empty($option['cols']) && (int)$option['cols'] > 0 ? (int)$option['cols'] : 50,
+                        'rows'        => !empty($option['rows']) && (int)$option['rows'] > 0 ? (int)$option['rows'] : 5,
                     )
                 );
             }
@@ -154,162 +154,162 @@ 
     }
 
     // Creates our settings in the options table
-    register_setting( 'wpinv_settings', 'wpinv_settings', 'wpinv_settings_sanitize' );
+    register_setting('wpinv_settings', 'wpinv_settings', 'wpinv_settings_sanitize');
 }
-add_action( 'admin_init', 'wpinv_register_settings' );
+add_action('admin_init', 'wpinv_register_settings');
 
 function wpinv_get_registered_settings() {
-    $pages = wpinv_get_pages( true );
+    $pages = wpinv_get_pages(true);
     
     $due_payment_options       = array();
-    $due_payment_options[0]    = __( 'Now', 'invoicing' );
-    for ( $i = 1; $i <= 30; $i++ ) {
+    $due_payment_options[0]    = __('Now', 'invoicing');
+    for ($i = 1; $i <= 30; $i++) {
         $due_payment_options[$i] = $i;
     }
     
     $invoice_number_padd_options = array();
-    for ( $i = 0; $i <= 20; $i++ ) {
+    for ($i = 0; $i <= 20; $i++) {
         $invoice_number_padd_options[$i] = $i;
     }
     
     $alert_wrapper_start = '<p style="color: #F00">';
     $alert_wrapper_close = '</p>';
     $wpinv_settings = array(
-        'general' => apply_filters( 'wpinv_settings_general',
+        'general' => apply_filters('wpinv_settings_general',
             array(
                 'main' => array(
                     'location_settings' => array(
                         'id'   => 'location_settings',
-                        'name' => '<h3>' . __( 'Default Location', 'invoicing' ) . '</h3>',
+                        'name' => '<h3>' . __('Default Location', 'invoicing') . '</h3>',
                         'desc' => '',
                         'type' => 'header',
                     ),
                     'default_country' => array(
                         'id'      => 'default_country',
-                        'name'    => __( 'Default Country', 'invoicing' ),
-                        'desc'    => __( 'Where does your store operate from?', 'invoicing' ),
+                        'name'    => __('Default Country', 'invoicing'),
+                        'desc'    => __('Where does your store operate from?', 'invoicing'),
                         'type'    => 'select',
                         'options' => wpinv_get_country_list(),
                         'std'     => 'GB',
                         'chosen'  => true,
-                        'placeholder' => __( 'Select a country', 'invoicing' ),
+                        'placeholder' => __('Select a country', 'invoicing'),
                     ),
                     'default_state' => array(
                         'id'      => 'default_state',
-                        'name'    => __( 'Default State / Province', 'invoicing' ),
-                        'desc'    => __( 'What state / province does your store operate from?', 'invoicing' ),
+                        'name'    => __('Default State / Province', 'invoicing'),
+                        'desc'    => __('What state / province does your store operate from?', 'invoicing'),
                         'type'    => 'country_states',
-                        'placeholder' => __( 'Select a state', 'invoicing' ),
+                        'placeholder' => __('Select a state', 'invoicing'),
                     ),
                     'store_name' => array(
                         'id'   => 'store_name',
-                        'name' => __( 'Store Name', 'invoicing' ),
-                        'desc' => __( 'Store name to print on invoices.', 'invoicing' ),
+                        'name' => __('Store Name', 'invoicing'),
+                        'desc' => __('Store name to print on invoices.', 'invoicing'),
                         'std'     => get_option('blogname'),
                         'type' => 'text',
                     ),
                     'logo' => array(
                         'id'   => 'logo',
-                        'name' => __( 'Logo URL', 'invoicing' ),
-                        'desc' => __( 'Store logo to print on invoices.', 'invoicing' ),
+                        'name' => __('Logo URL', 'invoicing'),
+                        'desc' => __('Store logo to print on invoices.', 'invoicing'),
                         'type' => 'text',
                     ),
                     'store_address' => array(
                         'id'   => 'store_address',
-                        'name' => __( 'Store Address', 'invoicing' ),
-                        'desc' => __( 'Enter the store address to display on invoice', 'invoicing' ),
+                        'name' => __('Store Address', 'invoicing'),
+                        'desc' => __('Enter the store address to display on invoice', 'invoicing'),
                         'type' => 'textarea',
                     ),
                     'page_settings' => array(
                         'id'   => 'page_settings',
-                        'name' => '<h3>' . __( 'Page Settings', 'invoicing' ) . '</h3>',
+                        'name' => '<h3>' . __('Page Settings', 'invoicing') . '</h3>',
                         'desc' => '',
                         'type' => 'header',
                     ),
                     'checkout_page' => array(
                         'id'          => 'checkout_page',
-                        'name'        => __( 'Checkout Page', 'invoicing' ),
-                        'desc'        => __( 'This is the checkout page where buyers will complete their payments. The <b>[wpinv_checkout]</b> short code must be on this page.', 'invoicing' ),
+                        'name'        => __('Checkout Page', 'invoicing'),
+                        'desc'        => __('This is the checkout page where buyers will complete their payments. The <b>[wpinv_checkout]</b> short code must be on this page.', 'invoicing'),
                         'type'        => 'select',
                         'options'     => $pages,
                         'chosen'      => true,
-                        'placeholder' => __( 'Select a page', 'invoicing' ),
+                        'placeholder' => __('Select a page', 'invoicing'),
                     ),
                     'success_page' => array(
                         'id'          => 'success_page',
-                        'name'        => __( 'Success Page', 'invoicing' ),
-                        'desc'        => __( 'This is the page buyers are sent to after completing their payments. The <b>[wpinv_receipt]</b> short code should be on this page.', 'invoicing' ),
+                        'name'        => __('Success Page', 'invoicing'),
+                        'desc'        => __('This is the page buyers are sent to after completing their payments. The <b>[wpinv_receipt]</b> short code should be on this page.', 'invoicing'),
                         'type'        => 'select',
                         'options'     => $pages,
                         'chosen'      => true,
-                        'placeholder' => __( 'Select a page', 'invoicing' ),
+                        'placeholder' => __('Select a page', 'invoicing'),
                     ),
                     'failure_page' => array(
                         'id'          => 'failure_page',
-                        'name'        => __( 'Failed Transaction Page', 'invoicing' ),
-                        'desc'        => __( 'This is the page buyers are sent to if their transaction is cancelled or fails', 'invoicing' ),
+                        'name'        => __('Failed Transaction Page', 'invoicing'),
+                        'desc'        => __('This is the page buyers are sent to if their transaction is cancelled or fails', 'invoicing'),
                         'type'        => 'select',
                         'options'     => $pages,
                         'chosen'      => true,
-                        'placeholder' => __( 'Select a page', 'invoicing' ),
+                        'placeholder' => __('Select a page', 'invoicing'),
                     ),
                     'invoice_history_page' => array(
                         'id'          => 'invoice_history_page',
-                        'name'        => __( 'Invoice History Page', 'invoicing' ),
-                        'desc'        => __( 'This page shows a invoice history for the current user', 'invoicing' ),
+                        'name'        => __('Invoice History Page', 'invoicing'),
+                        'desc'        => __('This page shows a invoice history for the current user', 'invoicing'),
                         'type'        => 'select',
                         'options'     => $pages,
                         'chosen'      => true,
-                        'placeholder' => __( 'Select a page', 'invoicing' ),
+                        'placeholder' => __('Select a page', 'invoicing'),
                     )
                 ),
                 'currency_section' => array(
                     'currency_settings' => array(
                         'id'   => 'currency_settings',
-                        'name' => '<h3>' . __( 'Currency Settings', 'invoicing' ) . '</h3>',
+                        'name' => '<h3>' . __('Currency Settings', 'invoicing') . '</h3>',
                         'desc' => '',
                         'type' => 'header',
                     ),
                     'currency' => array(
                         'id'      => 'currency',
-                        'name'    => __( 'Currency', 'invoicing' ),
-                        'desc'    => __( 'Choose your currency. Note that some payment gateways have currency restrictions.', 'invoicing' ),
+                        'name'    => __('Currency', 'invoicing'),
+                        'desc'    => __('Choose your currency. Note that some payment gateways have currency restrictions.', 'invoicing'),
                         'type'    => 'select',
                         'options' => wpinv_get_currencies(),
                         'chosen'  => true,
                     ),
                     'currency_position' => array(
                         'id'      => 'currency_position',
-                        'name'    => __( 'Currency Position', 'invoicing' ),
-                        'desc'    => __( 'Choose the location of the currency sign.', 'invoicing' ),
+                        'name'    => __('Currency Position', 'invoicing'),
+                        'desc'    => __('Choose the location of the currency sign.', 'invoicing'),
                         'type'    => 'select',
                         'options'  => array(
-                            'left'        => __( 'Left', 'invoicing' ) . ' (' . wpinv_currency_symbol() . '99.99)',
-                            'right'       => __( 'Right', 'invoicing' ) . ' (99.99' . wpinv_currency_symbol() . ')',
-                            'left_space'  => __( 'Left with space', 'invoicing' ) . ' (' . wpinv_currency_symbol() . ' 99.99)',
-                            'right_space' => __( 'Right with space', 'invoicing' ) . ' (99.99 ' . wpinv_currency_symbol() . ')'
+                            'left'        => __('Left', 'invoicing') . ' (' . wpinv_currency_symbol() . '99.99)',
+                            'right'       => __('Right', 'invoicing') . ' (99.99' . wpinv_currency_symbol() . ')',
+                            'left_space'  => __('Left with space', 'invoicing') . ' (' . wpinv_currency_symbol() . ' 99.99)',
+                            'right_space' => __('Right with space', 'invoicing') . ' (99.99 ' . wpinv_currency_symbol() . ')'
                         )
                     ),
                     'thousands_separator' => array(
                         'id'   => 'thousands_separator',
-                        'name' => __( 'Thousands Separator', 'invoicing' ),
-                        'desc' => __( 'The symbol (usually , or .) to separate thousands', 'invoicing' ),
+                        'name' => __('Thousands Separator', 'invoicing'),
+                        'desc' => __('The symbol (usually , or .) to separate thousands', 'invoicing'),
                         'type' => 'text',
                         'size' => 'small',
                         'std'  => ',',
                     ),
                     'decimal_separator' => array(
                         'id'   => 'decimal_separator',
-                        'name' => __( 'Decimal Separator', 'invoicing' ),
-                        'desc' => __( 'The symbol (usually , or .) to separate decimal points', 'invoicing' ),
+                        'name' => __('Decimal Separator', 'invoicing'),
+                        'desc' => __('The symbol (usually , or .) to separate decimal points', 'invoicing'),
                         'type' => 'text',
                         'size' => 'small',
                         'std'  => '.',
                     ),
                     'decimals' => array(
                         'id'   => 'decimals',
-                        'name' => __( 'Number of Decimals', 'invoicing' ),
-                        'desc' => __( 'This sets the number of decimal points shown in displayed prices.', 'invoicing' ),
+                        'name' => __('Number of Decimals', 'invoicing'),
+                        'desc' => __('This sets the number of decimal points shown in displayed prices.', 'invoicing'),
                         'type' => 'number',
                         'size' => 'small',
                         'std'  => '2',
@@ -321,29 +321,29 @@ 
                 'labels' => array(
                     'labels' => array(
                         'id'   => 'labels_settings',
-                        'name' => '<h3>' . __( 'Invoice Labels', 'invoicing' ) . '</h3>',
+                        'name' => '<h3>' . __('Invoice Labels', 'invoicing') . '</h3>',
                         'desc' => '',
                         'type' => 'header',
                     ),
                     'vat_name' => array(
                         'id' => 'vat_name',
-                        'name' => __( 'VAT Name', 'invoicing' ),
-                        'desc' => __( 'Enter the VAT name', 'invoicing' ),
+                        'name' => __('VAT Name', 'invoicing'),
+                        'desc' => __('Enter the VAT name', 'invoicing'),
                         'type' => 'text',
                         'size' => 'regular',
                         'std' => 'VAT'
                     ),
                     'vat_invoice_notice_label' => array(
                         'id' => 'vat_invoice_notice_label',
-                        'name' => __( 'Invoice notice label', 'invoicing' ),
-                        'desc' => __( 'Use this to add a invoice notice section (label) to your invoices', 'invoicing' ),
+                        'name' => __('Invoice notice label', 'invoicing'),
+                        'desc' => __('Use this to add a invoice notice section (label) to your invoices', 'invoicing'),
                         'type' => 'text',
                         'size' => 'regular',
                     ),
                     'vat_invoice_notice' => array(
                         'id' => 'vat_invoice_notice',
-                        'name' => __( 'Invoice notice', 'invoicing' ),
-                        'desc' =>   __( 'Use this to add a invoice notice section (description) to your invoices', 'invoicing' ),
+                        'name' => __('Invoice notice', 'invoicing'),
+                        'desc' =>   __('Use this to add a invoice notice section (description) to your invoices', 'invoicing'),
                         'type' => 'text',
                         'size' => 'regular',
                     )
@@ -355,22 +355,22 @@ 
                 'main' => array(
                     'gateway_settings' => array(
                         'id'   => 'api_header',
-                        'name' => '<h3>' . __( 'Gateway Settings', 'invoicing' ) . '</h3>',
+                        'name' => '<h3>' . __('Gateway Settings', 'invoicing') . '</h3>',
                         'desc' => '',
                         'type' => 'header',
                     ),
                     'gateways' => array(
                         'id'      => 'gateways',
-                        'name'    => __( 'Payment Gateways', 'invoicing' ),
-                        'desc'    => __( 'Choose the payment gateways you want to enable.', 'invoicing' ),
+                        'name'    => __('Payment Gateways', 'invoicing'),
+                        'desc'    => __('Choose the payment gateways you want to enable.', 'invoicing'),
                         'type'    => 'gateways',
                         'std'     => array('manual'=>1),
                         'options' => wpinv_get_payment_gateways(),
                     ),
                     'default_gateway' => array(
                         'id'      => 'default_gateway',
-                        'name'    => __( 'Default Gateway', 'invoicing' ),
-                        'desc'    => __( 'This gateway will be loaded automatically with the checkout page.', 'invoicing' ),
+                        'name'    => __('Default Gateway', 'invoicing'),
+                        'desc'    => __('This gateway will be loaded automatically with the checkout page.', 'invoicing'),
                         'type'    => 'gateway_select',
                         'std'     => 'manual',
                         'options' => wpinv_get_payment_gateways(),
@@ -384,19 +384,19 @@ 
                 'main' => array(
                     'tax_settings' => array(
                         'id'   => 'tax_settings',
-                        'name' => '<h3>' . __( 'Tax Settings', 'invoicing' ) . '</h3>',
+                        'name' => '<h3>' . __('Tax Settings', 'invoicing') . '</h3>',
                         'type' => 'header',
                     ),
                     'enable_taxes' => array(
                         'id'   => 'enable_taxes',
-                        'name' => __( 'Enable Taxes', 'invoicing' ),
-                        'desc' => __( 'Check this to enable taxes on invoices.', 'invoicing' ),
+                        'name' => __('Enable Taxes', 'invoicing'),
+                        'desc' => __('Check this to enable taxes on invoices.', 'invoicing'),
                         'type' => 'checkbox',
                     ),
                     'tax_rate' => array(
                         'id'   => 'tax_rate',
-                        'name' => __( 'Fallback Tax Rate', 'invoicing' ),
-                        'desc' => __( 'Enter a percentage, such as 6.5. Customers not in a specific rate will be charged this rate.', 'invoicing' ),
+                        'name' => __('Fallback Tax Rate', 'invoicing'),
+                        'desc' => __('Enter a percentage, such as 6.5. Customers not in a specific rate will be charged this rate.', 'invoicing'),
                         'type' => 'number',
                         'size' => 'small',
                         'min'  => '0',
@@ -408,8 +408,8 @@ 
                 'rates' => array(
                     'tax_rates' => array(
                         'id'   => 'tax_rates',
-                        'name' => '<h3>' . __( 'Tax Rates', 'invoicing' ) . '</h3>',
-                        'desc' => __( 'Enter tax rates for specific regions.', 'invoicing' ),
+                        'name' => '<h3>' . __('Tax Rates', 'invoicing') . '</h3>',
+                        'desc' => __('Enter tax rates for specific regions.', 'invoicing'),
                         'type' => 'tax_rates',
                     ),
                 )
@@ -421,62 +421,62 @@ 
                 'main' => array(
                     'email_settings_header' => array(
                         'id'   => 'email_settings_header',
-                        'name' => '<h3>' . __( 'Email Sender Options', 'invoicing' ) . '</h3>',
+                        'name' => '<h3>' . __('Email Sender Options', 'invoicing') . '</h3>',
                         'type' => 'header',
                     ),
                     'email_from_name' => array(
                         'id'   => 'email_from_name',
-                        'name' => __( 'From Name', 'invoicing' ),
-                        'desc' => __( 'Enter the sender\'s name appears in outgoing invoice emails. This should be your site name.', 'invoicing' ),
-                        'std' => esc_attr( get_bloginfo( 'name', 'display' ) ),
+                        'name' => __('From Name', 'invoicing'),
+                        'desc' => __('Enter the sender\'s name appears in outgoing invoice emails. This should be your site name.', 'invoicing'),
+                        'std' => esc_attr(get_bloginfo('name', 'display')),
                         'type' => 'text',
                     ),
                     'email_from' => array(
                         'id'   => 'email_from',
-                        'name' => __( 'From Email', 'invoicing' ),
-                        'desc' => sprintf (__( 'Email address to send invoice emails from. This will act as the "from" and "reply-to" address. %s If emails are not being sent it may be that your hosting prevents emails being sent if the email domains do not match.%s', 'invoicing' ), $alert_wrapper_start, $alert_wrapper_close),
-                        'std' => get_option( 'admin_email' ),
+                        'name' => __('From Email', 'invoicing'),
+                        'desc' => sprintf(__('Email address to send invoice emails from. This will act as the "from" and "reply-to" address. %s If emails are not being sent it may be that your hosting prevents emails being sent if the email domains do not match.%s', 'invoicing'), $alert_wrapper_start, $alert_wrapper_close),
+                        'std' => get_option('admin_email'),
                         'type' => 'text',
                     ),
                     'overdue_settings_header' => array(
                         'id'   => 'overdue_settings_header',
-                        'name' => '<h3>' . __( 'Due Date Settings', 'invoicing' ) . '</h3>',
+                        'name' => '<h3>' . __('Due Date Settings', 'invoicing') . '</h3>',
                         'type' => 'header',
                     ),
                     'overdue_active' => array(
                         'id'   => 'overdue_active',
-                        'name' => __( 'Enable Due Date', 'invoicing' ),
-                        'desc' => __( 'Check this to enable due date option for invoices.', 'invoicing' ),
+                        'name' => __('Enable Due Date', 'invoicing'),
+                        'desc' => __('Check this to enable due date option for invoices.', 'invoicing'),
                         'type' => 'checkbox',
                         'std'  => false,
                     ),
                     'overdue_days' => array(
                         'id'          => 'overdue_days',
-                        'name'        => __( 'Default Due Date', 'invoicing' ),
-                        'desc'        => __( 'Number of days each Invoice is due after the created date. This will automatically set the date in the "Due Date" field. Can be overridden on individual Invoices.', 'invoicing' ),
+                        'name'        => __('Default Due Date', 'invoicing'),
+                        'desc'        => __('Number of days each Invoice is due after the created date. This will automatically set the date in the "Due Date" field. Can be overridden on individual Invoices.', 'invoicing'),
                         'type'        => 'select',
                         'options'     => $due_payment_options,
                         'chosen'      => true,
                         'std'         => 0,
-                        'placeholder' => __( 'Select a page', 'invoicing' ),
+                        'placeholder' => __('Select a page', 'invoicing'),
                     ),
                     'email_template_header' => array(
                         'id'   => 'email_template_header',
-                        'name' => '<h3>' . __( 'Email Template', 'invoicing' ) . '</h3>',
+                        'name' => '<h3>' . __('Email Template', 'invoicing') . '</h3>',
                         'type' => 'header',
                     ),
                     'email_header_image' => array(
                         'id'   => 'email_header_image',
-                        'name' => __( 'Header Image', 'invoicing' ),
-                        'desc' => __( 'URL to an image you want to show in the email header. Upload images using the media uploader (Admin > Media).', 'invoicing' ),
+                        'name' => __('Header Image', 'invoicing'),
+                        'desc' => __('URL to an image you want to show in the email header. Upload images using the media uploader (Admin > Media).', 'invoicing'),
                         'std' => '',
                         'type' => 'text',
                     ),
                     'email_footer_text' => array(
                         'id'   => 'email_footer_text',
-                        'name' => __( 'Footer Text', 'invoicing' ),
-                        'desc' => __( 'The text to appear in the footer of all invoice emails.', 'invoicing' ),
-                        'std' => get_bloginfo( 'name', 'display' ) . ' - ' . __( 'Powered by GeoDirectory', 'invoicing' ),
+                        'name' => __('Footer Text', 'invoicing'),
+                        'desc' => __('The text to appear in the footer of all invoice emails.', 'invoicing'),
+                        'std' => get_bloginfo('name', 'display') . ' - ' . __('Powered by GeoDirectory', 'invoicing'),
                         'type' => 'textarea',
                         'class' => 'regular-text',
                         'rows' => 2,
@@ -484,29 +484,29 @@ 
                     ),
                     'email_base_color' => array(
                         'id'   => 'email_base_color',
-                        'name' => __( 'Base Color', 'invoicing' ),
-                        'desc' => __( 'The base color for invoice email template. Default <code>#557da2</code>.', 'invoicing' ),
+                        'name' => __('Base Color', 'invoicing'),
+                        'desc' => __('The base color for invoice email template. Default <code>#557da2</code>.', 'invoicing'),
                         'std' => '#557da2',
                         'type' => 'color',
                     ),
                     'email_background_color' => array(
                         'id'   => 'email_background_color',
-                        'name' => __( 'Background Color', 'invoicing' ),
-                        'desc' => __( 'The background color of email template. Default <code>#f5f5f5</code>.', 'invoicing' ),
+                        'name' => __('Background Color', 'invoicing'),
+                        'desc' => __('The background color of email template. Default <code>#f5f5f5</code>.', 'invoicing'),
                         'std' => '#f5f5f5',
                         'type' => 'color',
                     ),
                     'email_body_background_color' => array(
                         'id'   => 'email_body_background_color',
-                        'name' => __( 'Body Background Color', 'invoicing' ),
-                        'desc' => __( 'The main body background color of email template. Default <code>#fdfdfd</code>.', 'invoicing' ),
+                        'name' => __('Body Background Color', 'invoicing'),
+                        'desc' => __('The main body background color of email template. Default <code>#fdfdfd</code>.', 'invoicing'),
                         'std' => '#fdfdfd',
                         'type' => 'color',
                     ),
                     'email_text_color' => array(
                         'id'   => 'email_text_color',
-                        'name' => __( 'Body Text Color', 'invoicing' ),
-                        'desc' => __( 'The main body text color. Default <code>#505050</code>.', 'invoicing' ),
+                        'name' => __('Body Text Color', 'invoicing'),
+                        'desc' => __('The main body text color. Default <code>#505050</code>.', 'invoicing'),
                         'std' => '#505050',
                         'type' => 'color',
                     ),
@@ -525,25 +525,25 @@ 
                 'main' => array(
                     'fields_settings' => array(
                         'id'   => 'fields_settings',
-                        'name' => '<h3>' . __( 'Fields Settings', 'invoicing' ) . '</h3>',
+                        'name' => '<h3>' . __('Fields Settings', 'invoicing') . '</h3>',
                         'type' => 'header',
                     ),
                     'phone_mandatory' => array(
                         'id'   => 'phone_mandatory',
-                        'name' => __( 'Phone No. Mandatory?', 'invoicing' ),
-                        'desc' => __( 'Tick this to make phone number mandatory in invoice address fields.', 'invoicing' ),
+                        'name' => __('Phone No. Mandatory?', 'invoicing'),
+                        'desc' => __('Tick this to make phone number mandatory in invoice address fields.', 'invoicing'),
                         'type' => 'checkbox',
                         'std'  => true,
                     ),
                     'invoice_number_format_settings' => array(
                         'id'   => 'invoice_number_format_settings',
-                        'name' => '<h3>' . __( 'Invoice Number', 'invoicing' ) . '</h3>',
+                        'name' => '<h3>' . __('Invoice Number', 'invoicing') . '</h3>',
                         'type' => 'header',
                     ),
                     'invoice_number_padd' => array(
                         'id'      => 'invoice_number_padd',
-                        'name'    => __( 'Minimum digits', 'invoicing' ),
-                        'desc'    => __( 'If the invoice number has less digits than this number, it is left padded with 0s. Ex: invoice number 108 will padded to 00108 if digits set to 5. The default 0 means no padding.', 'invoicing' ),
+                        'name'    => __('Minimum digits', 'invoicing'),
+                        'desc'    => __('If the invoice number has less digits than this number, it is left padded with 0s. Ex: invoice number 108 will padded to 00108 if digits set to 5. The default 0 means no padding.', 'invoicing'),
                         'type'    => 'select',
                         'options' => $invoice_number_padd_options,
                         'std'     => 5,
@@ -551,8 +551,8 @@ 
                     ),
                     'invoice_number_prefix' => array(
                         'id' => 'invoice_number_prefix',
-                        'name' => __( 'Invoice Number prefix', 'invoicing' ),
-                        'desc' => __( 'A prefix to prepend to all invoice numbers. Ex: WPINV-', 'invoicing' ),
+                        'name' => __('Invoice Number prefix', 'invoicing'),
+                        'desc' => __('A prefix to prepend to all invoice numbers. Ex: WPINV-', 'invoicing'),
                         'type' => 'text',
                         'size' => 'regular',
                         'std' => 'WPINV-',
@@ -560,25 +560,25 @@ 
                     ),
                     'invoice_number_postfix' => array(
                         'id' => 'invoice_number_postfix',
-                        'name' => __( 'Invoice Number postfix', 'invoicing' ),
-                        'desc' => __( 'A postfix to append to all invoice numbers.', 'invoicing' ),
+                        'name' => __('Invoice Number postfix', 'invoicing'),
+                        'desc' => __('A postfix to append to all invoice numbers.', 'invoicing'),
                         'type' => 'text',
                         'size' => 'regular',
                         'std' => ''
                     ),
                     'guest_checkout_settings' => array(
                         'id'   => 'guest_checkout_settings',
-                        'name' => '<h3>' . __( 'Pay via Invoice Link', 'invoicing' ) . '</h3>',
+                        'name' => '<h3>' . __('Pay via Invoice Link', 'invoicing') . '</h3>',
                         'type' => 'header',
                     ),
                     'guest_checkout' => array(
                         'type'    => 'radio',
                         'id'      => 'guest_checkout',
-                        'name'    => __( 'Pay via Invoice Link for non logged in user', 'invoicing' ),
-                        'desc'    => __( 'Select how invoice should be paid when non logged in user clicks on the invoice link that sent to them via for pay for invoice.', 'invoicing' ),
+                        'name'    => __('Pay via Invoice Link for non logged in user', 'invoicing'),
+                        'desc'    => __('Select how invoice should be paid when non logged in user clicks on the invoice link that sent to them via for pay for invoice.', 'invoicing'),
                         'options' => array(
-                            0 => __( 'Ask them to log-in and redirect back to invoice checkout to pay.', 'invoicing' ),
-                            1 => __( 'Auto log-in the user via invoice link and take them to invoice checkout to pay.', 'invoicing' ),
+                            0 => __('Ask them to log-in and redirect back to invoice checkout to pay.', 'invoicing'),
+                            1 => __('Auto log-in the user via invoice link and take them to invoice checkout to pay.', 'invoicing'),
                         ),
                         'std'     => 0,
                     ),
@@ -591,8 +591,8 @@ 
                 'main' => array(
                     'tool_settings' => array(
                         'id'   => 'tool_settings',
-                        'name' => '<h3>' . __( 'Diagnostic Tools', 'invoicing' ) . '</h3>',
-                        'desc' => __( 'Invoicing diagnostic tools', 'invoicing' ),
+                        'name' => '<h3>' . __('Diagnostic Tools', 'invoicing') . '</h3>',
+                        'desc' => __('Invoicing diagnostic tools', 'invoicing'),
                         'type' => 'tools',
                     ),
                 ),
@@ -600,96 +600,96 @@ 
         )
     );
 
-    return apply_filters( 'wpinv_registered_settings', $wpinv_settings );
+    return apply_filters('wpinv_registered_settings', $wpinv_settings);
 }
 
-function wpinv_settings_sanitize( $input = array() ) {
+function wpinv_settings_sanitize($input = array()) {
     global $wpinv_options;
 
-    if ( empty( $_POST['_wp_http_referer'] ) ) {
+    if (empty($_POST['_wp_http_referer'])) {
         return $input;
     }
 
-    parse_str( $_POST['_wp_http_referer'], $referrer );
+    parse_str($_POST['_wp_http_referer'], $referrer);
 
     $settings = wpinv_get_registered_settings();
-    $tab      = isset( $referrer['tab'] ) ? $referrer['tab'] : 'general';
-    $section  = isset( $referrer['section'] ) ? $referrer['section'] : 'main';
+    $tab      = isset($referrer['tab']) ? $referrer['tab'] : 'general';
+    $section  = isset($referrer['section']) ? $referrer['section'] : 'main';
 
     $input = $input ? $input : array();
-    $input = apply_filters( 'wpinv_settings_tab_' . $tab . '_sanitize', $input );
-    $input = apply_filters( 'wpinv_settings_' . $tab . '-' . $section . '_sanitize', $input );
+    $input = apply_filters('wpinv_settings_tab_' . $tab . '_sanitize', $input);
+    $input = apply_filters('wpinv_settings_' . $tab . '-' . $section . '_sanitize', $input);
 
     // Loop through each setting being saved and pass it through a sanitization filter
-    foreach ( $input as $key => $value ) {
+    foreach ($input as $key => $value) {
         // Get the setting type (checkbox, select, etc)
-        $type = isset( $settings[ $tab ][ $key ]['type'] ) ? $settings[ $tab ][ $key ]['type'] : false;
+        $type = isset($settings[$tab][$key]['type']) ? $settings[$tab][$key]['type'] : false;
 
-        if ( $type ) {
+        if ($type) {
             // Field type specific filter
-            $input[$key] = apply_filters( 'wpinv_settings_sanitize_' . $type, $value, $key );
+            $input[$key] = apply_filters('wpinv_settings_sanitize_' . $type, $value, $key);
         }
 
         // General filter
-        $input[ $key ] = apply_filters( 'wpinv_settings_sanitize', $input[ $key ], $key );
+        $input[$key] = apply_filters('wpinv_settings_sanitize', $input[$key], $key);
     }
 
     // Loop through the whitelist and unset any that are empty for the tab being saved
-    $main_settings    = $section == 'main' ? $settings[ $tab ] : array(); // Check for extensions that aren't using new sections
-    $section_settings = ! empty( $settings[ $tab ][ $section ] ) ? $settings[ $tab ][ $section ] : array();
+    $main_settings    = $section == 'main' ? $settings[$tab] : array(); // Check for extensions that aren't using new sections
+    $section_settings = !empty($settings[$tab][$section]) ? $settings[$tab][$section] : array();
 
-    $found_settings = array_merge( $main_settings, $section_settings );
+    $found_settings = array_merge($main_settings, $section_settings);
 
-    if ( ! empty( $found_settings ) ) {
-        foreach ( $found_settings as $key => $value ) {
+    if (!empty($found_settings)) {
+        foreach ($found_settings as $key => $value) {
 
             // settings used to have numeric keys, now they have keys that match the option ID. This ensures both methods work
-            if ( is_numeric( $key ) ) {
+            if (is_numeric($key)) {
                 $key = $value['id'];
             }
 
-            if ( empty( $input[ $key ] ) ) {
-                unset( $wpinv_options[ $key ] );
+            if (empty($input[$key])) {
+                unset($wpinv_options[$key]);
             }
         }
     }
 
     // Merge our new settings with the existing
-    $output = array_merge( $wpinv_options, $input );
+    $output = array_merge($wpinv_options, $input);
 
-    add_settings_error( 'wpinv-notices', '', __( 'Settings updated.', 'invoicing' ), 'updated' );
+    add_settings_error('wpinv-notices', '', __('Settings updated.', 'invoicing'), 'updated');
 
     return $output;
 }
 
-function wpinv_settings_sanitize_misc_accounting( $input ) {
+function wpinv_settings_sanitize_misc_accounting($input) {
     global $wpinv_options, $wpi_session;
 
-    if ( !current_user_can( 'manage_options' ) ) {
+    if (!current_user_can('manage_options')) {
         return $input;
     }
 
-    if( ! empty( $input['enable_sequential'] ) && !wpinv_get_option( 'enable_sequential' ) ) {
+    if (!empty($input['enable_sequential']) && !wpinv_get_option('enable_sequential')) {
         // Shows an admin notice about upgrading previous order numbers
-        $wpi_session->set( 'upgrade_sequential', '1' );
+        $wpi_session->set('upgrade_sequential', '1');
     }
 
     return $input;
 }
-add_filter( 'wpinv_settings_misc-accounting_sanitize', 'wpinv_settings_sanitize_misc_accounting' );
+add_filter('wpinv_settings_misc-accounting_sanitize', 'wpinv_settings_sanitize_misc_accounting');
 
-function wpinv_settings_sanitize_tax_rates( $input ) {
-    if( !current_user_can( 'manage_options' ) ) {
+function wpinv_settings_sanitize_tax_rates($input) {
+    if (!current_user_can('manage_options')) {
         return $input;
     }
 
-    $new_rates = !empty( $_POST['tax_rates'] ) ? array_values( $_POST['tax_rates'] ) : array();
+    $new_rates = !empty($_POST['tax_rates']) ? array_values($_POST['tax_rates']) : array();
 
     $tax_rates = array();
 
-    if ( !empty( $new_rates ) ) {
-        foreach ( $new_rates as $rate ) {
-            if ( isset( $rate['country'] ) && empty( $rate['country'] ) && empty( $rate['state'] ) ) {
+    if (!empty($new_rates)) {
+        foreach ($new_rates as $rate) {
+            if (isset($rate['country']) && empty($rate['country']) && empty($rate['state'])) {
                 continue;
             }
             
@@ -697,36 +697,36 @@ 
         }
     }
 
-    update_option( 'wpinv_tax_rates', $tax_rates );
+    update_option('wpinv_tax_rates', $tax_rates);
 
     return $input;
 }
-add_filter( 'wpinv_settings_taxes-rates_sanitize', 'wpinv_settings_sanitize_tax_rates' );
+add_filter('wpinv_settings_taxes-rates_sanitize', 'wpinv_settings_sanitize_tax_rates');
 
-function wpinv_sanitize_text_field( $input ) {
-    return trim( $input );
+function wpinv_sanitize_text_field($input) {
+    return trim($input);
 }
-add_filter( 'wpinv_settings_sanitize_text', 'wpinv_sanitize_text_field' );
+add_filter('wpinv_settings_sanitize_text', 'wpinv_sanitize_text_field');
 
 function wpinv_get_settings_tabs() {
     $tabs             = array();
-    $tabs['general']  = __( 'General', 'invoicing' );
-    $tabs['gateways'] = __( 'Payment Gateways', 'invoicing' );
-    $tabs['taxes']    = __( 'Taxes', 'invoicing' );
-    $tabs['emails']   = __( 'Emails', 'invoicing' );
-    $tabs['misc']     = __( 'Misc', 'invoicing' );
-    $tabs['tools']    = __( 'Tools', 'invoicing' );
-
-    return apply_filters( 'wpinv_settings_tabs', $tabs );
+    $tabs['general']  = __('General', 'invoicing');
+    $tabs['gateways'] = __('Payment Gateways', 'invoicing');
+    $tabs['taxes']    = __('Taxes', 'invoicing');
+    $tabs['emails']   = __('Emails', 'invoicing');
+    $tabs['misc']     = __('Misc', 'invoicing');
+    $tabs['tools']    = __('Tools', 'invoicing');
+
+    return apply_filters('wpinv_settings_tabs', $tabs);
 }
 
-function wpinv_get_settings_tab_sections( $tab = false ) {
+function wpinv_get_settings_tab_sections($tab = false) {
     $tabs     = false;
     $sections = wpinv_get_registered_settings_sections();
 
-    if( $tab && ! empty( $sections[ $tab ] ) ) {
-        $tabs = $sections[ $tab ];
-    } else if ( $tab ) {
+    if ($tab && !empty($sections[$tab])) {
+        $tabs = $sections[$tab];
+    } else if ($tab) {
         $tabs = false;
     }
 
@@ -736,135 +736,135 @@ 
 function wpinv_get_registered_settings_sections() {
     static $sections = false;
 
-    if ( false !== $sections ) {
+    if (false !== $sections) {
         return $sections;
     }
 
     $sections = array(
-        'general' => apply_filters( 'wpinv_settings_sections_general', array(
-            'main' => __( 'General Settings', 'invoicing' ),
-            'currency_section' => __( 'Currency Settings', 'invoicing' ),
-            'labels' => __( 'Label Texts', 'invoicing' ),
-        ) ),
-        'gateways' => apply_filters( 'wpinv_settings_sections_gateways', array(
-            'main' => __( 'Gateway Settings', 'invoicing' ),
-        ) ),
-        'taxes' => apply_filters( 'wpinv_settings_sections_taxes', array(
-            'main' => __( 'Tax Settings', 'invoicing' ),
-            'rates' => __( 'Tax Rates', 'invoicing' ),
-        ) ),
-        'emails' => apply_filters( 'wpinv_settings_sections_emails', array(
-            'main' => __( 'Email Settings', 'invoicing' ),
-        ) ),
-        'misc' => apply_filters( 'wpinv_settings_sections_misc', array(
-            'main' => __( 'Misc Settings', 'invoicing' ),
-        ) ),
-        'tools' => apply_filters( 'wpinv_settings_sections_tools', array(
-            'main' => __( 'Diagnostic Tools', 'invoicing' ),
-        ) ),
+        'general' => apply_filters('wpinv_settings_sections_general', array(
+            'main' => __('General Settings', 'invoicing'),
+            'currency_section' => __('Currency Settings', 'invoicing'),
+            'labels' => __('Label Texts', 'invoicing'),
+        )),
+        'gateways' => apply_filters('wpinv_settings_sections_gateways', array(
+            'main' => __('Gateway Settings', 'invoicing'),
+        )),
+        'taxes' => apply_filters('wpinv_settings_sections_taxes', array(
+            'main' => __('Tax Settings', 'invoicing'),
+            'rates' => __('Tax Rates', 'invoicing'),
+        )),
+        'emails' => apply_filters('wpinv_settings_sections_emails', array(
+            'main' => __('Email Settings', 'invoicing'),
+        )),
+        'misc' => apply_filters('wpinv_settings_sections_misc', array(
+            'main' => __('Misc Settings', 'invoicing'),
+        )),
+        'tools' => apply_filters('wpinv_settings_sections_tools', array(
+            'main' => __('Diagnostic Tools', 'invoicing'),
+        )),
     );
 
-    $sections = apply_filters( 'wpinv_settings_sections', $sections );
+    $sections = apply_filters('wpinv_settings_sections', $sections);
 
     return $sections;
 }
 
-function wpinv_get_pages( $with_slug = false, $default_label = NULL ) {
+function wpinv_get_pages($with_slug = false, $default_label = NULL) {
 	$pages_options = array();
 
-	if( $default_label !== NULL && $default_label !== false ) {
-		$pages_options = array( '' => $default_label ); // Blank option
+	if ($default_label !== NULL && $default_label !== false) {
+		$pages_options = array('' => $default_label); // Blank option
 	}
 
 	$pages = get_pages();
-	if ( $pages ) {
-		foreach ( $pages as $page ) {
+	if ($pages) {
+		foreach ($pages as $page) {
 			$title = $with_slug ? $page->post_title . ' (' . $page->post_name . ')' : $page->post_title;
-            $pages_options[ $page->ID ] = $title;
+            $pages_options[$page->ID] = $title;
 		}
 	}
 
 	return $pages_options;
 }
 
-function wpinv_header_callback( $args ) {
-	if ( !empty( $args['desc'] ) ) {
+function wpinv_header_callback($args) {
+	if (!empty($args['desc'])) {
         echo $args['desc'];
     }
 }
 
-function wpinv_hidden_callback( $args ) {
+function wpinv_hidden_callback($args) {
 	global $wpinv_options;
 
-	if ( isset( $args['set_value'] ) ) {
+	if (isset($args['set_value'])) {
 		$value = $args['set_value'];
-	} elseif ( isset( $wpinv_options[ $args['id'] ] ) ) {
-		$value = $wpinv_options[ $args['id'] ];
+	} elseif (isset($wpinv_options[$args['id']])) {
+		$value = $wpinv_options[$args['id']];
 	} else {
-		$value = isset( $args['std'] ) ? $args['std'] : '';
+		$value = isset($args['std']) ? $args['std'] : '';
 	}
 
-	if ( isset( $args['faux'] ) && true === $args['faux'] ) {
+	if (isset($args['faux']) && true === $args['faux']) {
 		$args['readonly'] = true;
-		$value = isset( $args['std'] ) ? $args['std'] : '';
+		$value = isset($args['std']) ? $args['std'] : '';
 		$name  = '';
 	} else {
-		$name = 'name="wpinv_settings[' . esc_attr( $args['id'] ) . ']"';
+		$name = 'name="wpinv_settings[' . esc_attr($args['id']) . ']"';
 	}
 
-	$html = '<input type="hidden" id="wpinv_settings[' . wpinv_sanitize_key( $args['id'] ) . ']" ' . $name . ' value="' . esc_attr( stripslashes( $value ) ) . '" />';
+	$html = '<input type="hidden" id="wpinv_settings[' . wpinv_sanitize_key($args['id']) . ']" ' . $name . ' value="' . esc_attr(stripslashes($value)) . '" />';
     
 	echo $html;
 }
 
-function wpinv_checkbox_callback( $args ) {
+function wpinv_checkbox_callback($args) {
 	global $wpinv_options;
     
-    $sanitize_id = wpinv_sanitize_key( $args['id'] );
+    $sanitize_id = wpinv_sanitize_key($args['id']);
 
-	if ( isset( $args['faux'] ) && true === $args['faux'] ) {
+	if (isset($args['faux']) && true === $args['faux']) {
 		$name = '';
 	} else {
 		$name = 'name="wpinv_settings[' . $sanitize_id . ']"';
 	}
 
-	$checked = isset( $wpinv_options[ $args['id'] ] ) ? checked( 1, $wpinv_options[ $args['id'] ], false ) : '';
+	$checked = isset($wpinv_options[$args['id']]) ? checked(1, $wpinv_options[$args['id']], false) : '';
 	$html = '<input type="checkbox" id="wpinv_settings[' . $sanitize_id . ']"' . $name . ' value="1" ' . $checked . '/>';
-	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
+	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post($args['desc']) . '</label>';
 
 	echo $html;
 }
 
-function wpinv_multicheck_callback( $args ) {
+function wpinv_multicheck_callback($args) {
 	global $wpinv_options;
 	
-	$sanitize_id = wpinv_sanitize_key( $args['id'] );
+	$sanitize_id = wpinv_sanitize_key($args['id']);
 	
-	if ( ! empty( $args['options'] ) ) {
-		foreach( $args['options'] as $key => $option ):
-			$sanitize_key = wpinv_sanitize_key( $key );
-			if ( isset( $wpinv_options[$args['id']][$sanitize_key] ) ) { 
+	if (!empty($args['options'])) {
+		foreach ($args['options'] as $key => $option):
+			$sanitize_key = wpinv_sanitize_key($key);
+			if (isset($wpinv_options[$args['id']][$sanitize_key])) { 
 				$enabled = $sanitize_key;
 			} else { 
 				$enabled = NULL; 
 			}
-			echo '<input name="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" id="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" type="checkbox" value="' . esc_attr( $sanitize_key ) . '" ' . checked( $sanitize_key, $enabled, false ) . '/>&nbsp;';
-			echo '<label for="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']">' . wp_kses_post( $option ) . '</label><br/>';
+			echo '<input name="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" id="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" type="checkbox" value="' . esc_attr($sanitize_key) . '" ' . checked($sanitize_key, $enabled, false) . '/>&nbsp;';
+			echo '<label for="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']">' . wp_kses_post($option) . '</label><br/>';
 		endforeach;
 		echo '<p class="description">' . $args['desc'] . '</p>';
 	}
 }
 
-function wpinv_payment_icons_callback( $args ) {
+function wpinv_payment_icons_callback($args) {
 	global $wpinv_options;
     
-    $sanitize_id = wpinv_sanitize_key( $args['id'] );
+    $sanitize_id = wpinv_sanitize_key($args['id']);
 
-	if ( ! empty( $args['options'] ) ) {
-		foreach( $args['options'] as $key => $option ) {
-            $sanitize_key = wpinv_sanitize_key( $key );
+	if (!empty($args['options'])) {
+		foreach ($args['options'] as $key => $option) {
+            $sanitize_key = wpinv_sanitize_key($key);
             
-			if( isset( $wpinv_options[$args['id']][$key] ) ) {
+			if (isset($wpinv_options[$args['id']][$key])) {
 				$enabled = $option;
 			} else {
 				$enabled = NULL;
@@ -872,194 +872,194 @@ 
 
 			echo '<label for="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" style="margin-right:10px;line-height:16px;height:16px;display:inline-block;">';
 
-				echo '<input name="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" id="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" type="checkbox" value="' . esc_attr( $option ) . '" ' . checked( $option, $enabled, false ) . '/>&nbsp;';
+				echo '<input name="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" id="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" type="checkbox" value="' . esc_attr($option) . '" ' . checked($option, $enabled, false) . '/>&nbsp;';
 
-				if ( wpinv_string_is_image_url( $key ) ) {
-					echo '<img class="payment-icon" src="' . esc_url( $key ) . '" style="width:32px;height:24px;position:relative;top:6px;margin-right:5px;"/>';
+				if (wpinv_string_is_image_url($key)) {
+					echo '<img class="payment-icon" src="' . esc_url($key) . '" style="width:32px;height:24px;position:relative;top:6px;margin-right:5px;"/>';
 				} else {
-					$card = strtolower( str_replace( ' ', '', $option ) );
+					$card = strtolower(str_replace(' ', '', $option));
 
-					if ( has_filter( 'wpinv_accepted_payment_' . $card . '_image' ) ) {
-						$image = apply_filters( 'wpinv_accepted_payment_' . $card . '_image', '' );
+					if (has_filter('wpinv_accepted_payment_' . $card . '_image')) {
+						$image = apply_filters('wpinv_accepted_payment_' . $card . '_image', '');
 					} else {
-						$image       = wpinv_locate_template( 'images' . DIRECTORY_SEPARATOR . 'icons' . DIRECTORY_SEPARATOR . $card . '.gif', false );
+						$image       = wpinv_locate_template('images' . DIRECTORY_SEPARATOR . 'icons' . DIRECTORY_SEPARATOR . $card . '.gif', false);
 						$content_dir = WP_CONTENT_DIR;
 
-						if ( function_exists( 'wp_normalize_path' ) ) {
+						if (function_exists('wp_normalize_path')) {
 							// Replaces backslashes with forward slashes for Windows systems
-							$image = wp_normalize_path( $image );
-							$content_dir = wp_normalize_path( $content_dir );
+							$image = wp_normalize_path($image);
+							$content_dir = wp_normalize_path($content_dir);
 						}
 
-						$image = str_replace( $content_dir, content_url(), $image );
+						$image = str_replace($content_dir, content_url(), $image);
 					}
 
-					echo '<img class="payment-icon" src="' . esc_url( $image ) . '" style="width:32px;height:24px;position:relative;top:6px;margin-right:5px;"/>';
+					echo '<img class="payment-icon" src="' . esc_url($image) . '" style="width:32px;height:24px;position:relative;top:6px;margin-right:5px;"/>';
 				}
 			echo $option . '</label>';
 		}
-		echo '<p class="description" style="margin-top:16px;">' . wp_kses_post( $args['desc'] ) . '</p>';
+		echo '<p class="description" style="margin-top:16px;">' . wp_kses_post($args['desc']) . '</p>';
 	}
 }
 
-function wpinv_radio_callback( $args ) {
+function wpinv_radio_callback($args) {
 	global $wpinv_options;
     
-    $sanitize_id = wpinv_sanitize_key( $args['id'] );
+    $sanitize_id = wpinv_sanitize_key($args['id']);
     
-    foreach ( $args['options'] as $key => $option ) :
-		$sanitize_key = wpinv_sanitize_key( $key );
+    foreach ($args['options'] as $key => $option) :
+		$sanitize_key = wpinv_sanitize_key($key);
         
         $checked = false;
 
-		if ( isset( $wpinv_options[ $args['id'] ] ) && $wpinv_options[ $args['id'] ] == $key )
+		if (isset($wpinv_options[$args['id']]) && $wpinv_options[$args['id']] == $key)
 			$checked = true;
-		elseif( isset( $args['std'] ) && $args['std'] == $key && ! isset( $wpinv_options[ $args['id'] ] ) )
+		elseif (isset($args['std']) && $args['std'] == $key && !isset($wpinv_options[$args['id']]))
 			$checked = true;
 
 		echo '<input name="wpinv_settings[' . $sanitize_id . ']" id="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" type="radio" value="' . $sanitize_key . '" ' . checked(true, $checked, false) . '/>&nbsp;';
-		echo '<label for="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']">' . esc_html( $option ) . '</label><br/>';
+		echo '<label for="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']">' . esc_html($option) . '</label><br/>';
 	endforeach;
 
-	echo '<p class="description">' . wp_kses_post( $args['desc'] ) . '</p>';
+	echo '<p class="description">' . wp_kses_post($args['desc']) . '</p>';
 }
 
-function wpinv_gateways_callback( $args ) {
+function wpinv_gateways_callback($args) {
 	global $wpinv_options;
     
-    $sanitize_id = wpinv_sanitize_key( $args['id'] );
+    $sanitize_id = wpinv_sanitize_key($args['id']);
 
-	foreach ( $args['options'] as $key => $option ) :
-		$sanitize_key = wpinv_sanitize_key( $key );
+	foreach ($args['options'] as $key => $option) :
+		$sanitize_key = wpinv_sanitize_key($key);
         
-        if ( isset( $wpinv_options['gateways'][ $key ] ) )
+        if (isset($wpinv_options['gateways'][$key]))
 			$enabled = '1';
 		else
 			$enabled = null;
 
-		echo '<input name="wpinv_settings[' . esc_attr( $args['id'] ) . '][' . $sanitize_key . ']" id="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" type="checkbox" value="1" ' . checked('1', $enabled, false) . '/>&nbsp;';
-		echo '<label for="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']">' . esc_html( $option['admin_label'] ) . '</label><br/>';
+		echo '<input name="wpinv_settings[' . esc_attr($args['id']) . '][' . $sanitize_key . ']" id="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" type="checkbox" value="1" ' . checked('1', $enabled, false) . '/>&nbsp;';
+		echo '<label for="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']">' . esc_html($option['admin_label']) . '</label><br/>';
 	endforeach;
 }
 
 function wpinv_gateway_select_callback($args) {
 	global $wpinv_options;
     
-    $sanitize_id = wpinv_sanitize_key( $args['id'] );
+    $sanitize_id = wpinv_sanitize_key($args['id']);
 
 	echo '<select name="wpinv_settings[' . $sanitize_id . ']"" id="wpinv_settings[' . $sanitize_id . ']">';
 
-	foreach ( $args['options'] as $key => $option ) :
-		if ( isset( $args['selected'] ) && $args['selected'] !== null && $args['selected'] !== false ) {
-            $selected = selected( $key, $args['selected'], false );
+	foreach ($args['options'] as $key => $option) :
+		if (isset($args['selected']) && $args['selected'] !== null && $args['selected'] !== false) {
+            $selected = selected($key, $args['selected'], false);
         } else {
-            $selected = isset( $wpinv_options[ $args['id'] ] ) ? selected( $key, $wpinv_options[$args['id']], false ) : '';
+            $selected = isset($wpinv_options[$args['id']]) ? selected($key, $wpinv_options[$args['id']], false) : '';
         }
-		echo '<option value="' . wpinv_sanitize_key( $key ) . '"' . $selected . '>' . esc_html( $option['admin_label'] ) . '</option>';
+		echo '<option value="' . wpinv_sanitize_key($key) . '"' . $selected . '>' . esc_html($option['admin_label']) . '</option>';
 	endforeach;
 
 	echo '</select>';
-	echo '<label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
+	echo '<label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post($args['desc']) . '</label>';
 }
 
-function wpinv_text_callback( $args ) {
+function wpinv_text_callback($args) {
 	global $wpinv_options;
     
-    $sanitize_id = wpinv_sanitize_key( $args['id'] );
+    $sanitize_id = wpinv_sanitize_key($args['id']);
 
-	if ( isset( $wpinv_options[ $args['id'] ] ) ) {
-		$value = $wpinv_options[ $args['id'] ];
+	if (isset($wpinv_options[$args['id']])) {
+		$value = $wpinv_options[$args['id']];
 	} else {
-		$value = isset( $args['std'] ) ? $args['std'] : '';
+		$value = isset($args['std']) ? $args['std'] : '';
 	}
 
-	if ( isset( $args['faux'] ) && true === $args['faux'] ) {
+	if (isset($args['faux']) && true === $args['faux']) {
 		$args['readonly'] = true;
-		$value = isset( $args['std'] ) ? $args['std'] : '';
+		$value = isset($args['std']) ? $args['std'] : '';
 		$name  = '';
 	} else {
-		$name = 'name="wpinv_settings[' . esc_attr( $args['id'] ) . ']"';
+		$name = 'name="wpinv_settings[' . esc_attr($args['id']) . ']"';
 	}
 
 	$readonly = $args['readonly'] === true ? ' readonly="readonly"' : '';
-	$size     = ( isset( $args['size'] ) && ! is_null( $args['size'] ) ) ? $args['size'] : 'regular';
-	$html     = '<input type="text" class="' . sanitize_html_class( $size ) . '-text" id="wpinv_settings[' . $sanitize_id . ']" ' . $name . ' value="' . esc_attr( stripslashes( $value ) ) . '"' . $readonly . '/>';
-	$html    .= '<label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
+	$size     = (isset($args['size']) && !is_null($args['size'])) ? $args['size'] : 'regular';
+	$html     = '<input type="text" class="' . sanitize_html_class($size) . '-text" id="wpinv_settings[' . $sanitize_id . ']" ' . $name . ' value="' . esc_attr(stripslashes($value)) . '"' . $readonly . '/>';
+	$html    .= '<label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post($args['desc']) . '</label>';
 
 	echo $html;
 }
 
-function wpinv_number_callback( $args ) {
+function wpinv_number_callback($args) {
 	global $wpinv_options;
     
-    $sanitize_id = wpinv_sanitize_key( $args['id'] );
+    $sanitize_id = wpinv_sanitize_key($args['id']);
 
-	if ( isset( $wpinv_options[ $args['id'] ] ) ) {
-		$value = $wpinv_options[ $args['id'] ];
+	if (isset($wpinv_options[$args['id']])) {
+		$value = $wpinv_options[$args['id']];
 	} else {
-		$value = isset( $args['std'] ) ? $args['std'] : '';
+		$value = isset($args['std']) ? $args['std'] : '';
 	}
 
-	if ( isset( $args['faux'] ) && true === $args['faux'] ) {
+	if (isset($args['faux']) && true === $args['faux']) {
 		$args['readonly'] = true;
-		$value = isset( $args['std'] ) ? $args['std'] : '';
+		$value = isset($args['std']) ? $args['std'] : '';
 		$name  = '';
 	} else {
-		$name = 'name="wpinv_settings[' . esc_attr( $args['id'] ) . ']"';
+		$name = 'name="wpinv_settings[' . esc_attr($args['id']) . ']"';
 	}
 
-	$max  = isset( $args['max'] ) ? $args['max'] : 999999;
-	$min  = isset( $args['min'] ) ? $args['min'] : 0;
-	$step = isset( $args['step'] ) ? $args['step'] : 1;
+	$max  = isset($args['max']) ? $args['max'] : 999999;
+	$min  = isset($args['min']) ? $args['min'] : 0;
+	$step = isset($args['step']) ? $args['step'] : 1;
 
-	$size = ( isset( $args['size'] ) && ! is_null( $args['size'] ) ) ? $args['size'] : 'regular';
-	$html = '<input type="number" step="' . esc_attr( $step ) . '" max="' . esc_attr( $max ) . '" min="' . esc_attr( $min ) . '" class="' . sanitize_html_class( $size ) . '-text" id="wpinv_settings[' . $sanitize_id . ']" ' . $name . ' value="' . esc_attr( stripslashes( $value ) ) . '"/>';
-	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
+	$size = (isset($args['size']) && !is_null($args['size'])) ? $args['size'] : 'regular';
+	$html = '<input type="number" step="' . esc_attr($step) . '" max="' . esc_attr($max) . '" min="' . esc_attr($min) . '" class="' . sanitize_html_class($size) . '-text" id="wpinv_settings[' . $sanitize_id . ']" ' . $name . ' value="' . esc_attr(stripslashes($value)) . '"/>';
+	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post($args['desc']) . '</label>';
 
 	echo $html;
 }
 
-function wpinv_textarea_callback( $args ) {
+function wpinv_textarea_callback($args) {
 	global $wpinv_options;
     
-    $sanitize_id = wpinv_sanitize_key( $args['id'] );
+    $sanitize_id = wpinv_sanitize_key($args['id']);
 
-	if ( isset( $wpinv_options[ $args['id'] ] ) ) {
-		$value = $wpinv_options[ $args['id'] ];
+	if (isset($wpinv_options[$args['id']])) {
+		$value = $wpinv_options[$args['id']];
 	} else {
-		$value = isset( $args['std'] ) ? $args['std'] : '';
+		$value = isset($args['std']) ? $args['std'] : '';
 	}
     
-    $size = ( isset( $args['size'] ) && ! is_null( $args['size'] ) ) ? $args['size'] : 'regular';
-    $class = ( isset( $args['class'] ) && ! is_null( $args['class'] ) ) ? $args['class'] : 'large-text';
+    $size = (isset($args['size']) && !is_null($args['size'])) ? $args['size'] : 'regular';
+    $class = (isset($args['class']) && !is_null($args['class'])) ? $args['class'] : 'large-text';
 
-	$html = '<textarea class="' . sanitize_html_class( $class ) . ' txtarea-' . sanitize_html_class( $size ) . ' wpi-' . esc_attr( sanitize_html_class( $sanitize_id ) ) . ' " cols="' . $args['cols'] . '" rows="' . $args['rows'] . '" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']">' . esc_textarea( stripslashes( $value ) ) . '</textarea>';
-	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
+	$html = '<textarea class="' . sanitize_html_class($class) . ' txtarea-' . sanitize_html_class($size) . ' wpi-' . esc_attr(sanitize_html_class($sanitize_id)) . ' " cols="' . $args['cols'] . '" rows="' . $args['rows'] . '" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr($args['id']) . ']">' . esc_textarea(stripslashes($value)) . '</textarea>';
+	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post($args['desc']) . '</label>';
 
 	echo $html;
 }
 
-function wpinv_password_callback( $args ) {
+function wpinv_password_callback($args) {
 	global $wpinv_options;
     
-    $sanitize_id = wpinv_sanitize_key( $args['id'] );
+    $sanitize_id = wpinv_sanitize_key($args['id']);
 
-	if ( isset( $wpinv_options[ $args['id'] ] ) ) {
-		$value = $wpinv_options[ $args['id'] ];
+	if (isset($wpinv_options[$args['id']])) {
+		$value = $wpinv_options[$args['id']];
 	} else {
-		$value = isset( $args['std'] ) ? $args['std'] : '';
+		$value = isset($args['std']) ? $args['std'] : '';
 	}
 
-	$size = ( isset( $args['size'] ) && ! is_null( $args['size'] ) ) ? $args['size'] : 'regular';
-	$html = '<input type="password" class="' . sanitize_html_class( $size ) . '-text" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']" value="' . esc_attr( $value ) . '"/>';
-	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post( $args['desc'] ) . '</label>';
+	$size = (isset($args['size']) && !is_null($args['size'])) ? $args['size'] : 'regular';
+	$html = '<input type="password" class="' . sanitize_html_class($size) . '-text" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr($args['id']) . ']" value="' . esc_attr($value) . '"/>';
+	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post($args['desc']) . '</label>';
 
 	echo $html;
 }
 
 function wpinv_missing_callback($args) {
 	printf(
-		__( 'The callback function used for the %s setting is missing.', 'invoicing' ),
+		__('The callback function used for the %s setting is missing.', 'invoicing'),
 		'<strong>' . $args['id'] . '</strong>'
 	);
 }
@@ -1067,137 +1067,137 @@ 
 function wpinv_select_callback($args) {
 	global $wpinv_options;
     
-    $sanitize_id = wpinv_sanitize_key( $args['id'] );
+    $sanitize_id = wpinv_sanitize_key($args['id']);
 
-	if ( isset( $wpinv_options[ $args['id'] ] ) ) {
-		$value = $wpinv_options[ $args['id'] ];
+	if (isset($wpinv_options[$args['id']])) {
+		$value = $wpinv_options[$args['id']];
 	} else {
-		$value = isset( $args['std'] ) ? $args['std'] : '';
+		$value = isset($args['std']) ? $args['std'] : '';
 	}
     
-    if ( isset( $args['selected'] ) && $args['selected'] !== null && $args['selected'] !== false ) {
+    if (isset($args['selected']) && $args['selected'] !== null && $args['selected'] !== false) {
         $value = $args['selected'];
     }
 
-	if ( isset( $args['placeholder'] ) ) {
+	if (isset($args['placeholder'])) {
 		$placeholder = $args['placeholder'];
 	} else {
 		$placeholder = '';
 	}
 
-	if ( isset( $args['chosen'] ) ) {
+	if (isset($args['chosen'])) {
 		$chosen = 'class="wpinv-chosen"';
 	} else {
 		$chosen = '';
 	}
     
-    if( !empty( $args['onchange'] ) ) {
-        $onchange = ' onchange="' . esc_attr( $args['onchange'] ) . '"';
+    if (!empty($args['onchange'])) {
+        $onchange = ' onchange="' . esc_attr($args['onchange']) . '"';
     } else {
         $onchange = '';
     }
 
-	$html = '<select id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']" ' . $chosen . 'data-placeholder="' . esc_html( $placeholder ) . '"' . $onchange . ' />';
+	$html = '<select id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr($args['id']) . ']" ' . $chosen . 'data-placeholder="' . esc_html($placeholder) . '"' . $onchange . ' />';
 
-	foreach ( $args['options'] as $option => $name ) {
-		$selected = selected( $option, $value, false );
-		$html .= '<option value="' . esc_attr( $option ) . '" ' . $selected . '>' . esc_html( $name ) . '</option>';
+	foreach ($args['options'] as $option => $name) {
+		$selected = selected($option, $value, false);
+		$html .= '<option value="' . esc_attr($option) . '" ' . $selected . '>' . esc_html($name) . '</option>';
 	}
 
 	$html .= '</select>';
-	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post( $args['desc'] ) . '</label>';
+	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post($args['desc']) . '</label>';
 
 	echo $html;
 }
 
-function wpinv_color_select_callback( $args ) {
+function wpinv_color_select_callback($args) {
 	global $wpinv_options;
     
-    $sanitize_id = wpinv_sanitize_key( $args['id'] );
+    $sanitize_id = wpinv_sanitize_key($args['id']);
 
-	if ( isset( $wpinv_options[ $args['id'] ] ) ) {
-		$value = $wpinv_options[ $args['id'] ];
+	if (isset($wpinv_options[$args['id']])) {
+		$value = $wpinv_options[$args['id']];
 	} else {
-		$value = isset( $args['std'] ) ? $args['std'] : '';
+		$value = isset($args['std']) ? $args['std'] : '';
 	}
 
-	$html = '<select id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']"/>';
+	$html = '<select id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr($args['id']) . ']"/>';
 
-	foreach ( $args['options'] as $option => $color ) {
-		$selected = selected( $option, $value, false );
-		$html .= '<option value="' . esc_attr( $option ) . '" ' . $selected . '>' . esc_html( $color['label'] ) . '</option>';
+	foreach ($args['options'] as $option => $color) {
+		$selected = selected($option, $value, false);
+		$html .= '<option value="' . esc_attr($option) . '" ' . $selected . '>' . esc_html($color['label']) . '</option>';
 	}
 
 	$html .= '</select>';
-	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
+	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post($args['desc']) . '</label>';
 
 	echo $html;
 }
 
-function wpinv_rich_editor_callback( $args ) {
+function wpinv_rich_editor_callback($args) {
 	global $wpinv_options, $wp_version;
     
-    $sanitize_id = wpinv_sanitize_key( $args['id'] );
+    $sanitize_id = wpinv_sanitize_key($args['id']);
 
-	if ( isset( $wpinv_options[ $args['id'] ] ) ) {
-		$value = $wpinv_options[ $args['id'] ];
+	if (isset($wpinv_options[$args['id']])) {
+		$value = $wpinv_options[$args['id']];
 
-		if( empty( $args['allow_blank'] ) && empty( $value ) ) {
-			$value = isset( $args['std'] ) ? $args['std'] : '';
+		if (empty($args['allow_blank']) && empty($value)) {
+			$value = isset($args['std']) ? $args['std'] : '';
 		}
 	} else {
-		$value = isset( $args['std'] ) ? $args['std'] : '';
+		$value = isset($args['std']) ? $args['std'] : '';
 	}
 
-	$rows = isset( $args['size'] ) ? $args['size'] : 20;
+	$rows = isset($args['size']) ? $args['size'] : 20;
 
-	if ( $wp_version >= 3.3 && function_exists( 'wp_editor' ) ) {
+	if ($wp_version >= 3.3 && function_exists('wp_editor')) {
 		ob_start();
-		wp_editor( stripslashes( $value ), 'wpinv_settings_' . esc_attr( $args['id'] ), array( 'textarea_name' => 'wpinv_settings[' . esc_attr( $args['id'] ) . ']', 'textarea_rows' => absint( $rows ) ) );
+		wp_editor(stripslashes($value), 'wpinv_settings_' . esc_attr($args['id']), array('textarea_name' => 'wpinv_settings[' . esc_attr($args['id']) . ']', 'textarea_rows' => absint($rows)));
 		$html = ob_get_clean();
 	} else {
-		$html = '<textarea class="large-text" rows="10" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']" class="wpi-' . esc_attr( sanitize_html_class( $args['id'] ) ) . '">' . esc_textarea( stripslashes( $value ) ) . '</textarea>';
+		$html = '<textarea class="large-text" rows="10" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr($args['id']) . ']" class="wpi-' . esc_attr(sanitize_html_class($args['id'])) . '">' . esc_textarea(stripslashes($value)) . '</textarea>';
 	}
 
-	$html .= '<br/><label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post( $args['desc'] ) . '</label>';
+	$html .= '<br/><label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post($args['desc']) . '</label>';
 
 	echo $html;
 }
 
-function wpinv_upload_callback( $args ) {
+function wpinv_upload_callback($args) {
 	global $wpinv_options;
     
-    $sanitize_id = wpinv_sanitize_key( $args['id'] );
+    $sanitize_id = wpinv_sanitize_key($args['id']);
 
-	if ( isset( $wpinv_options[ $args['id'] ] ) ) {
+	if (isset($wpinv_options[$args['id']])) {
 		$value = $wpinv_options[$args['id']];
 	} else {
 		$value = isset($args['std']) ? $args['std'] : '';
 	}
 
-	$size = ( isset( $args['size'] ) && ! is_null( $args['size'] ) ) ? $args['size'] : 'regular';
-	$html = '<input type="text" class="' . sanitize_html_class( $size ) . '-text" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']" value="' . esc_attr( stripslashes( $value ) ) . '"/>';
-	$html .= '<span>&nbsp;<input type="button" class="wpinv_settings_upload_button button-secondary" value="' . __( 'Upload File', 'invoicing' ) . '"/></span>';
-	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post( $args['desc'] ) . '</label>';
+	$size = (isset($args['size']) && !is_null($args['size'])) ? $args['size'] : 'regular';
+	$html = '<input type="text" class="' . sanitize_html_class($size) . '-text" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr($args['id']) . ']" value="' . esc_attr(stripslashes($value)) . '"/>';
+	$html .= '<span>&nbsp;<input type="button" class="wpinv_settings_upload_button button-secondary" value="' . __('Upload File', 'invoicing') . '"/></span>';
+	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post($args['desc']) . '</label>';
 
 	echo $html;
 }
 
-function wpinv_color_callback( $args ) {
+function wpinv_color_callback($args) {
 	global $wpinv_options;
     
-    $sanitize_id = wpinv_sanitize_key( $args['id'] );
+    $sanitize_id = wpinv_sanitize_key($args['id']);
 
-	if ( isset( $wpinv_options[ $args['id'] ] ) ) {
-		$value = $wpinv_options[ $args['id'] ];
+	if (isset($wpinv_options[$args['id']])) {
+		$value = $wpinv_options[$args['id']];
 	} else {
-		$value = isset( $args['std'] ) ? $args['std'] : '';
+		$value = isset($args['std']) ? $args['std'] : '';
 	}
 
-	$default = isset( $args['std'] ) ? $args['std'] : '';
+	$default = isset($args['std']) ? $args['std'] : '';
 
-	$html = '<input type="text" class="wpinv-color-picker" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']" value="' . esc_attr( $value ) . '" data-default-color="' . esc_attr( $default ) . '" />';
-	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
+	$html = '<input type="text" class="wpinv-color-picker" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr($args['id']) . ']" value="' . esc_attr($value) . '" data-default-color="' . esc_attr($default) . '" />';
+	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post($args['desc']) . '</label>';
 
 	echo $html;
 }
@@ -1205,9 +1205,9 @@ 
 function wpinv_country_states_callback($args) {
 	global $wpinv_options;
     
-    $sanitize_id = wpinv_sanitize_key( $args['id'] );
+    $sanitize_id = wpinv_sanitize_key($args['id']);
 
-	if ( isset( $args['placeholder'] ) ) {
+	if (isset($args['placeholder'])) {
 		$placeholder = $args['placeholder'];
 	} else {
 		$placeholder = '';
@@ -1215,17 +1215,17 @@ 
 
 	$states = wpinv_get_country_states();
 
-	$chosen = ( $args['chosen'] ? ' wpinv-chosen' : '' );
-	$class = empty( $states ) ? ' class="wpinv-no-states' . $chosen . '"' : 'class="' . $chosen . '"';
-	$html = '<select id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']"' . $class . 'data-placeholder="' . esc_html( $placeholder ) . '"/>';
+	$chosen = ($args['chosen'] ? ' wpinv-chosen' : '');
+	$class = empty($states) ? ' class="wpinv-no-states' . $chosen . '"' : 'class="' . $chosen . '"';
+	$html = '<select id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr($args['id']) . ']"' . $class . 'data-placeholder="' . esc_html($placeholder) . '"/>';
 
-	foreach ( $states as $option => $name ) {
-		$selected = isset( $wpinv_options[ $args['id'] ] ) ? selected( $option, $wpinv_options[$args['id']], false ) : '';
-		$html .= '<option value="' . esc_attr( $option ) . '" ' . $selected . '>' . esc_html( $name ) . '</option>';
+	foreach ($states as $option => $name) {
+		$selected = isset($wpinv_options[$args['id']]) ? selected($option, $wpinv_options[$args['id']], false) : '';
+		$html .= '<option value="' . esc_attr($option) . '" ' . $selected . '>' . esc_html($name) . '</option>';
 	}
 
 	$html .= '</select>';
-	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
+	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post($args['desc']) . '</label>';
 
 	echo $html;
 }
@@ -1240,25 +1240,25 @@ 
 	<table id="wpinv_tax_rates" class="wp-list-table widefat fixed posts">
 		<thead>
 			<tr>
-				<th scope="col" class="wpinv_tax_country"><?php _e( 'Country', 'invoicing' ); ?></th>
-				<th scope="col" class="wpinv_tax_state"><?php _e( 'State / Province', 'invoicing' ); ?></th>
-                <th scope="col" class="wpinv_tax_global" title="<?php esc_attr_e( 'Apply rate to whole country, regardless of state / province', 'invoicing' ); ?>"><?php _e( 'Country Wide', 'invoicing' ); ?></th>
-                <th scope="col" class="wpinv_tax_rate"><?php _e( 'Rate %', 'invoicing' ); ?></th> 
-                <th scope="col" class="wpinv_tax_name"><?php _e( 'Tax Name', 'invoicing' ); ?></th>
-				<th scope="col" class="wpinv_tax_action"><?php _e( 'Remove', 'invoicing' ); ?></th>
+				<th scope="col" class="wpinv_tax_country"><?php _e('Country', 'invoicing'); ?></th>
+				<th scope="col" class="wpinv_tax_state"><?php _e('State / Province', 'invoicing'); ?></th>
+                <th scope="col" class="wpinv_tax_global" title="<?php esc_attr_e('Apply rate to whole country, regardless of state / province', 'invoicing'); ?>"><?php _e('Country Wide', 'invoicing'); ?></th>
+                <th scope="col" class="wpinv_tax_rate"><?php _e('Rate %', 'invoicing'); ?></th> 
+                <th scope="col" class="wpinv_tax_name"><?php _e('Tax Name', 'invoicing'); ?></th>
+				<th scope="col" class="wpinv_tax_action"><?php _e('Remove', 'invoicing'); ?></th>
 			</tr>
 		</thead>
         <tbody>
-		<?php if( !empty( $rates ) ) : ?>
-			<?php foreach( $rates as $key => $rate ) : ?>
+		<?php if (!empty($rates)) : ?>
+			<?php foreach ($rates as $key => $rate) : ?>
             <?php 
-            $sanitized_key = wpinv_sanitize_key( $key );
+            $sanitized_key = wpinv_sanitize_key($key);
             ?>
 			<tr>
 				<td class="wpinv_tax_country">
 					<?php
-					echo wpinv_html_select( array(
-						'options'          => wpinv_get_country_list( true ),
+					echo wpinv_html_select(array(
+						'options'          => wpinv_get_country_list(true),
 						'name'             => 'tax_rates[' . $sanitized_key . '][country]',
                         'id'               => 'tax_rates[' . $sanitized_key . '][country]',
 						'selected'         => $rate['country'],
@@ -1266,72 +1266,72 @@ 
 						'show_option_none' => false,
 						'class'            => 'wpinv-tax-country',
 						'chosen'           => false,
-						'placeholder'      => __( 'Choose a country', 'invoicing' )
-					) );
+						'placeholder'      => __('Choose a country', 'invoicing')
+					));
 					?>
 				</td>
 				<td class="wpinv_tax_state">
 					<?php
-					$states = wpinv_get_country_states( $rate['country'] );
-					if( !empty( $states ) ) {
-						echo wpinv_html_select( array(
-							'options'          => array_merge( array( '' => '' ), $states ),
+					$states = wpinv_get_country_states($rate['country']);
+					if (!empty($states)) {
+						echo wpinv_html_select(array(
+							'options'          => array_merge(array('' => ''), $states),
 							'name'             => 'tax_rates[' . $sanitized_key . '][state]',
                             'id'               => 'tax_rates[' . $sanitized_key . '][state]',
 							'selected'         => $rate['state'],
 							'show_option_all'  => false,
 							'show_option_none' => false,
 							'chosen'           => false,
-							'placeholder'      => __( 'Choose a state', 'invoicing' )
-						) );
+							'placeholder'      => __('Choose a state', 'invoicing')
+						));
 					} else {
-						echo wpinv_html_text( array(
+						echo wpinv_html_text(array(
 							'name'  => 'tax_rates[' . $sanitized_key . '][state]', $rate['state'],
-							'value' => ! empty( $rate['state'] ) ? $rate['state'] : '',
+							'value' => !empty($rate['state']) ? $rate['state'] : '',
                             'id'    => 'tax_rates[' . $sanitized_key . '][state]',
-						) );
+						));
 					}
 					?>
 				</td>
 				<td class="wpinv_tax_global">
-					<input type="checkbox" name="tax_rates[<?php echo $sanitized_key; ?>][global]" id="tax_rates[<?php echo $sanitized_key; ?>][global]" value="1"<?php checked( true, ! empty( $rate['global'] ) ); ?>/>
-					<label for="tax_rates[<?php echo $sanitized_key; ?>][global]"><?php _e( 'Apply to whole country', 'invoicing' ); ?></label>
+					<input type="checkbox" name="tax_rates[<?php echo $sanitized_key; ?>][global]" id="tax_rates[<?php echo $sanitized_key; ?>][global]" value="1"<?php checked(true, !empty($rate['global'])); ?>/>
+					<label for="tax_rates[<?php echo $sanitized_key; ?>][global]"><?php _e('Apply to whole country', 'invoicing'); ?></label>
 				</td>
-				<td class="wpinv_tax_rate"><input type="number" class="small-text" step="0.10" min="0.00" max="99" name="tax_rates[<?php echo $sanitized_key; ?>][rate]" value="<?php echo esc_html( $rate['rate'] ); ?>"/></td>
-                <td class="wpinv_tax_name"><input type="text" class="regular-text" name="tax_rates[<?php echo $sanitized_key; ?>][name]" value="<?php echo esc_html( $rate['name'] ); ?>"/></td>
-				<td class="wpinv_tax_action"><span class="wpinv_remove_tax_rate button-secondary"><?php _e( 'Remove Rate', 'invoicing' ); ?></span></td>
+				<td class="wpinv_tax_rate"><input type="number" class="small-text" step="0.10" min="0.00" max="99" name="tax_rates[<?php echo $sanitized_key; ?>][rate]" value="<?php echo esc_html($rate['rate']); ?>"/></td>
+                <td class="wpinv_tax_name"><input type="text" class="regular-text" name="tax_rates[<?php echo $sanitized_key; ?>][name]" value="<?php echo esc_html($rate['name']); ?>"/></td>
+				<td class="wpinv_tax_action"><span class="wpinv_remove_tax_rate button-secondary"><?php _e('Remove Rate', 'invoicing'); ?></span></td>
 			</tr>
 			<?php endforeach; ?>
 		<?php else : ?>
 			<tr>
 				<td class="wpinv_tax_country">
 					<?php
-					echo wpinv_html_select( array(
-						'options'          => wpinv_get_country_list( true ),
+					echo wpinv_html_select(array(
+						'options'          => wpinv_get_country_list(true),
 						'name'             => 'tax_rates[0][country]',
 						'show_option_all'  => false,
 						'show_option_none' => false,
 						'class'            => 'wpinv-tax-country',
 						'chosen'           => false,
-						'placeholder'      => __( 'Choose a country', 'invoicing' )
-					) ); ?>
+						'placeholder'      => __('Choose a country', 'invoicing')
+					)); ?>
 				</td>
 				<td class="wpinv_tax_state">
-					<?php echo wpinv_html_text( array(
+					<?php echo wpinv_html_text(array(
 						'name' => 'tax_rates[0][state]'
-					) ); ?>
+					)); ?>
 				</td>
 				<td class="wpinv_tax_global">
 					<input type="checkbox" name="tax_rates[0][global]" id="tax_rates[0][global]" value="1"/>
-					<label for="tax_rates[0][global]"><?php _e( 'Apply to whole country', 'invoicing' ); ?></label>
+					<label for="tax_rates[0][global]"><?php _e('Apply to whole country', 'invoicing'); ?></label>
 				</td>
-				<td class="wpinv_tax_rate"><input type="number" class="small-text" step="0.10" min="0.00" name="tax_rates[0][rate]" placeholder="<?php echo (float)wpinv_get_option( 'tax_rate', 0 ) ;?>" value="<?php echo (float)wpinv_get_option( 'tax_rate', 0 ) ;?>"/></td>
+				<td class="wpinv_tax_rate"><input type="number" class="small-text" step="0.10" min="0.00" name="tax_rates[0][rate]" placeholder="<?php echo (float)wpinv_get_option('tax_rate', 0); ?>" value="<?php echo (float)wpinv_get_option('tax_rate', 0); ?>"/></td>
                 <td class="wpinv_tax_name"><input type="text" class="regular-text" name="tax_rates[0][name]" /></td>
-				<td><span class="wpinv_remove_tax_rate button-secondary"><?php _e( 'Remove Rate', 'invoicing' ); ?></span></td>
+				<td><span class="wpinv_remove_tax_rate button-secondary"><?php _e('Remove Rate', 'invoicing'); ?></span></td>
 			</tr>
 		<?php endif; ?>
         </tbody>
-        <tfoot><tr><td colspan="5"></td><td class="wpinv_tax_action"><span class="button-secondary" id="wpinv_add_tax_rate"><?php _e( 'Add Tax Rate', 'invoicing' ); ?></span></td></tr></tfoot>
+        <tfoot><tr><td colspan="5"></td><td class="wpinv_tax_action"><span class="button-secondary" id="wpinv_add_tax_rate"><?php _e('Add Tax Rate', 'invoicing'); ?></span></td></tr></tfoot>
 	</table>
 	<?php
 	echo ob_get_clean();
@@ -1342,34 +1342,34 @@ 
     ob_start(); ?>
     </td><tr>
     <td colspan="2" class="wpinv_tools_tdbox">
-    <?php if ( $args['desc'] ) { ?><p><?php echo $args['desc']; ?></p><?php } ?>
-    <?php do_action( 'wpinv_tools_before' ); ?>
+    <?php if ($args['desc']) { ?><p><?php echo $args['desc']; ?></p><?php } ?>
+    <?php do_action('wpinv_tools_before'); ?>
     <table id="wpinv_tools_table" class="wp-list-table widefat fixed posts">
         <thead>
             <tr>
-                <th scope="col" class="wpinv-th-tool"><?php _e( 'Tool', 'invoicing' ); ?></th>
-                <th scope="col" class="wpinv-th-desc"><?php _e( 'Description', 'invoicing' ); ?></th>
-                <th scope="col" class="wpinv-th-action"><?php _e( 'Action', 'invoicing' ); ?></th>
+                <th scope="col" class="wpinv-th-tool"><?php _e('Tool', 'invoicing'); ?></th>
+                <th scope="col" class="wpinv-th-desc"><?php _e('Description', 'invoicing'); ?></th>
+                <th scope="col" class="wpinv-th-action"><?php _e('Action', 'invoicing'); ?></th>
             </tr>
         </thead>
-            <?php do_action( 'wpinv_tools_row' ); ?>
+            <?php do_action('wpinv_tools_row'); ?>
         <tbody>
         </tbody>
     </table>
-    <?php do_action( 'wpinv_tools_after' ); ?>
+    <?php do_action('wpinv_tools_after'); ?>
     <?php
     echo ob_get_clean();
 }
 
-function wpinv_descriptive_text_callback( $args ) {
-	echo wp_kses_post( $args['desc'] );
+function wpinv_descriptive_text_callback($args) {
+	echo wp_kses_post($args['desc']);
 }
 
-function wpinv_hook_callback( $args ) {
-	do_action( 'wpinv_' . $args['id'], $args );
+function wpinv_hook_callback($args) {
+	do_action('wpinv_' . $args['id'], $args);
 }
 
 function wpinv_set_settings_cap() {
 	return 'manage_options';
 }
-add_filter( 'option_page_capability_wpinv_settings', 'wpinv_set_settings_cap' );
+add_filter('option_page_capability_wpinv_settings', 'wpinv_set_settings_cap');

includes/wpinv-error-functions.php

Spacing +24 added lines, -24 removed lines

@@ -1,61 +1,61 @@ 
 <?php
 // MUST have WordPress.
-if ( !defined( 'WPINC' ) ) {
-    exit( 'Do NOT access this file directly: ' . basename( __FILE__ ) );
+if (!defined('WPINC')) {
+    exit('Do NOT access this file directly: ' . basename(__FILE__));
 }
 
 function wpinv_print_errors() {
     $errors = wpinv_get_errors();
 
-    if ( $errors ) {
-        $classes = apply_filters( 'wpinv_error_class', array(
+    if ($errors) {
+        $classes = apply_filters('wpinv_error_class', array(
             'wpinv_errors', 'wpinv-alert', 'wpinv-alert-error'
-        ) );
-        echo '<div class="' . implode( ' ', $classes ) . '">';
+        ));
+        echo '<div class="' . implode(' ', $classes) . '">';
             // Loop error codes and display errors
-           foreach ( $errors as $error_id => $error ) {
-                echo '<p class="wpinv_error" id="wpinv_error_' . $error_id . '"><strong>' . __( 'Error', 'invoicing' ) . '</strong>: ' . $error . '</p>';
+           foreach ($errors as $error_id => $error) {
+                echo '<p class="wpinv_error" id="wpinv_error_' . $error_id . '"><strong>' . __('Error', 'invoicing') . '</strong>: ' . $error . '</p>';
            }
         echo '</div>';
         wpinv_clear_errors();
     }
 }
-add_action( 'wpinv_purchase_form_before_submit', 'wpinv_print_errors' );
-add_action( 'wpinv_ajax_checkout_errors', 'wpinv_print_errors' );
+add_action('wpinv_purchase_form_before_submit', 'wpinv_print_errors');
+add_action('wpinv_ajax_checkout_errors', 'wpinv_print_errors');
 
 function wpinv_get_errors() {
     global $wpi_session;
     
-    return $wpi_session->get( 'wpinv_errors' );
+    return $wpi_session->get('wpinv_errors');
 }
 
-function wpinv_set_error( $error_id, $error_message ) {
+function wpinv_set_error($error_id, $error_message) {
     global $wpi_session;
     
     $errors = wpinv_get_errors();
 
-    if ( ! $errors ) {
+    if (!$errors) {
         $errors = array();
     }
 
-    $errors[ $error_id ] = $error_message;
-    $wpi_session->set( 'wpinv_errors', $errors );
+    $errors[$error_id] = $error_message;
+    $wpi_session->set('wpinv_errors', $errors);
 }
 
 function wpinv_clear_errors() {
     global $wpi_session;
     
-    $wpi_session->set( 'wpinv_errors', null );
+    $wpi_session->set('wpinv_errors', null);
 }
 
-function wpinv_unset_error( $error_id ) {
+function wpinv_unset_error($error_id) {
     global $wpi_session;
     
     $errors = wpinv_get_errors();
 
-    if ( $errors ) {
-        unset( $errors[ $error_id ] );
-        $wpi_session->set( 'wpinv_errors', $errors );
+    if ($errors) {
+        unset($errors[$error_id]);
+        $wpi_session->set('wpinv_errors', $errors);
     }
 }
 
@@ -63,8 +63,8 @@ 
     die();
 }
 
-function wpinv_die( $message = '', $title = '', $status = 400 ) {
-    add_filter( 'wp_die_ajax_handler', 'wpinv_die_handler', 10, 3 );
-    add_filter( 'wp_die_handler', 'wpinv_die_handler', 10, 3 );
-    wp_die( $message, $title, array( 'response' => $status ));
+function wpinv_die($message = '', $title = '', $status = 400) {
+    add_filter('wp_die_ajax_handler', 'wpinv_die_handler', 10, 3);
+    add_filter('wp_die_handler', 'wpinv_die_handler', 10, 3);
+    wp_die($message, $title, array('response' => $status));
 }

includes/class-wpinv-api.php

Spacing +107 added lines, -107 removed lines

@@ -7,22 +7,22 @@ 
  */
  
 // MUST have WordPress.
-if ( !defined( 'WPINC' ) ) {
-    exit( 'Do NOT access this file directly: ' . basename( __FILE__ ) );
+if (!defined('WPINC')) {
+    exit('Do NOT access this file directly: ' . basename(__FILE__));
 }
 
 class WPInv_API {
     protected $post_type = 'wpi_invoice';
     
-    public function __construct( $params = array() ) {
+    public function __construct($params = array()) {
     }
-    public function insert_invoice( $data ) {
+    public function insert_invoice($data) {
         global $wpdb;
         //wpinv_transaction_query( 'start' );
 
         try {
-            if ( ! isset( $data['invoice'] ) ) {
-                throw new WPInv_API_Exception( 'wpinv_api_missing_invoice_data', sprintf( __( 'No %1$s data specified to create %1$s', 'invoicing' ), 'invoice' ), 400 );
+            if (!isset($data['invoice'])) {
+                throw new WPInv_API_Exception('wpinv_api_missing_invoice_data', sprintf(__('No %1$s data specified to create %1$s', 'invoicing'), 'invoice'), 400);
             }
 
             $data = $data['invoice'];
@@ -32,37 +32,37 @@ 
                 //throw new WPInv_API_Exception( 'wpinv_api_user_cannot_create_invoice', __( 'You do not have permission to create invoices', 'invoicing' ), 401 );
             //}
 
-            $data = apply_filters( 'wpinv_api_create_invoice_data', $data, $this );
+            $data = apply_filters('wpinv_api_create_invoice_data', $data, $this);
 
-            $invoice = wpinv_insert_invoice( $data );
-            if ( is_wp_error( $invoice ) ) {
-                throw new WPInv_API_Exception( 'wpinv_api_cannot_create_invoice', sprintf( __( 'Cannot create invoice: %s', 'invoicing' ), implode( ', ', $invoice->get_error_messages() ) ), 400 );
+            $invoice = wpinv_insert_invoice($data);
+            if (is_wp_error($invoice)) {
+                throw new WPInv_API_Exception('wpinv_api_cannot_create_invoice', sprintf(__('Cannot create invoice: %s', 'invoicing'), implode(', ', $invoice->get_error_messages())), 400);
             }
 
             // HTTP 201 Created
-            $this->send_status( 201 );
+            $this->send_status(201);
 
-            do_action( 'wpinv_api_create_invoice', $invoice->ID, $data, $this );
+            do_action('wpinv_api_create_invoice', $invoice->ID, $data, $this);
 
             //wpinv_transaction_query( 'commit' );
 
-            return wpinv_get_invoice( $invoice->ID );
+            return wpinv_get_invoice($invoice->ID);
 
-        } catch ( WPInv_API_Exception $e ) {
+        } catch (WPInv_API_Exception $e) {
 
             //wpinv_transaction_query( 'rollback' );
 
-            return new WP_Error( $e->getErrorCode(), $e->getMessage(), array( 'status' => $e->getCode() ) );
+            return new WP_Error($e->getErrorCode(), $e->getMessage(), array('status' => $e->getCode()));
         }
     }
     
-    public function create_invoice( $data ) {
+    public function create_invoice($data) {
         global $wpdb;
         //wpinv_transaction_query( 'start' );
 
         try {
-            if ( ! isset( $data['invoice'] ) ) {
-                throw new WPInv_API_Exception( 'wpinv_api_missing_invoice_data', sprintf( __( 'No %1$s data specified to create %1$s', 'invoicing' ), 'invoice' ), 400 );
+            if (!isset($data['invoice'])) {
+                throw new WPInv_API_Exception('wpinv_api_missing_invoice_data', sprintf(__('No %1$s data specified to create %1$s', 'invoicing'), 'invoice'), 400);
             }
 
             $data = $data['invoice'];
@@ -72,111 +72,111 @@ 
                 //throw new WPInv_API_Exception( 'wpinv_api_user_cannot_create_invoice', __( 'You do not have permission to create invoices', 'invoicing' ), 401 );
             //}
 
-            $data = apply_filters( 'wpinv_api_create_invoice_data', $data, $this );
+            $data = apply_filters('wpinv_api_create_invoice_data', $data, $this);
 
             // default invoice args, note that status is checked for validity in wpinv_create_invoice()
             $default_invoice_args = array(
-                'status'        => isset( $data['status'] ) ? $data['status'] : '',
-                'user_note'     => isset( $data['note'] ) ? $data['note'] : null,
-                'invoice_id'    => isset( $data['invoice_id'] ) ? (int)$data['invoice_id'] : 0,
+                'status'        => isset($data['status']) ? $data['status'] : '',
+                'user_note'     => isset($data['note']) ? $data['note'] : null,
+                'invoice_id'    => isset($data['invoice_id']) ? (int)$data['invoice_id'] : 0,
             );
 
             // if creating invoice for existing user
-            if ( ! empty( $data['user_id'] ) ) {
+            if (!empty($data['user_id'])) {
                 // make sure user exists
-                if ( false === get_user_by( 'id', $data['user_id'] ) ) {
-                    throw new WPInv_API_Exception( 'wpinv_api_invalid_user_id', __( 'User ID is invalid', 'invoicing' ), 400 );
+                if (false === get_user_by('id', $data['user_id'])) {
+                    throw new WPInv_API_Exception('wpinv_api_invalid_user_id', __('User ID is invalid', 'invoicing'), 400);
                 }
 
                 $default_invoice_args['user_id'] = $data['user_id'];
             }
 
             // create the pending invoice
-            $invoice = $this->create_base_invoice( $default_invoice_args, $data );
+            $invoice = $this->create_base_invoice($default_invoice_args, $data);
 
-            if ( is_wp_error( $invoice ) ) {
-                throw new WPInv_API_Exception( 'wpinv_api_cannot_create_invoice', sprintf( __( 'Cannot create invoice: %s', 'invoicing' ), implode( ', ', $invoice->get_error_messages() ) ), 400 );
+            if (is_wp_error($invoice)) {
+                throw new WPInv_API_Exception('wpinv_api_cannot_create_invoice', sprintf(__('Cannot create invoice: %s', 'invoicing'), implode(', ', $invoice->get_error_messages())), 400);
             }
             
             // Add note
-            if ( !empty( $data['user_note'] ) ) {
-                $invoice->add_note( $data['user_note'], true );
+            if (!empty($data['user_note'])) {
+                $invoice->add_note($data['user_note'], true);
             }
             
-            if ( !empty( $data['private_note'] ) ) {
-                $invoice->add_note( $data['private_note'] );
+            if (!empty($data['private_note'])) {
+                $invoice->add_note($data['private_note']);
             }
 
             // billing address
-            $invoice = $this->set_billing_details( $invoice, $data );
+            $invoice = $this->set_billing_details($invoice, $data);
             
             // items
-            $invoice = $this->set_discount( $invoice, $data );
+            $invoice = $this->set_discount($invoice, $data);
 
             // items
-            $invoice = $this->set_items( $invoice, $data );
+            $invoice = $this->set_items($invoice, $data);
 
             // payment method (and payment_complete() if `paid` == true)
-            if ( isset( $data['payment_details'] ) && is_array( $data['payment_details'] ) ) {
+            if (isset($data['payment_details']) && is_array($data['payment_details'])) {
                 // method ID & title are required
-                if ( empty( $data['payment_details']['method_id'] ) || empty( $data['payment_details']['method_title'] ) ) {
-                    throw new WPInv_API_Exception( 'wpinv_invalid_payment_details', __( 'Payment method ID and title are required', 'invoicing' ), 400 );
+                if (empty($data['payment_details']['method_id']) || empty($data['payment_details']['method_title'])) {
+                    throw new WPInv_API_Exception('wpinv_invalid_payment_details', __('Payment method ID and title are required', 'invoicing'), 400);
                 }
                 
                  // set invoice currency
-                if ( isset( $data['payment_details']['currency'] ) ) {
-                    if ( ! array_key_exists( $data['payment_details']['currency'], wpinv_get_currencies() ) ) {
-                        throw new WPInv_API_Exception( 'wpinv_invalid_invoice_currency', __( 'Provided invoice currency is invalid', 'invoicing' ), 400 );
+                if (isset($data['payment_details']['currency'])) {
+                    if (!array_key_exists($data['payment_details']['currency'], wpinv_get_currencies())) {
+                        throw new WPInv_API_Exception('wpinv_invalid_invoice_currency', __('Provided invoice currency is invalid', 'invoicing'), 400);
                     }
 
-                    update_post_meta( $invoice->ID, '_wpinv_currency', $data['payment_details']['currency'] );
+                    update_post_meta($invoice->ID, '_wpinv_currency', $data['payment_details']['currency']);
                     
                     $invoice->currency = $data['payment_details']['currency'];
                 }
                 
-                update_post_meta( $invoice->ID, '_wpinv_gateway', $data['payment_details']['method_id'] );
-                update_post_meta( $invoice->ID, '_wpinv_gateway_title', $data['payment_details']['method_title'] );
+                update_post_meta($invoice->ID, '_wpinv_gateway', $data['payment_details']['method_id']);
+                update_post_meta($invoice->ID, '_wpinv_gateway_title', $data['payment_details']['method_title']);
                 
                 $invoice->gateway = $data['payment_details']['method_id'];
                 $invoice->gateway_title = $data['payment_details']['method_title'];
 
                 // mark as paid if set
-                if ( isset( $data['payment_details']['paid'] ) && true === $data['payment_details']['paid'] ) {
+                if (isset($data['payment_details']['paid']) && true === $data['payment_details']['paid']) {
                     //$invoice->payment_complete( isset( $data['payment_details']['transaction_id'] ) ? $data['payment_details']['transaction_id'] : $invoice->ID );
                 }
             }
           
             // set invoice meta
-            if ( isset( $data['invoice_meta'] ) && is_array( $data['invoice_meta'] ) ) {
-                $this->set_invoice_meta( $invoice->ID, $data['invoice_meta'] );
+            if (isset($data['invoice_meta']) && is_array($data['invoice_meta'])) {
+                $this->set_invoice_meta($invoice->ID, $data['invoice_meta']);
             }
 
             // HTTP 201 Created
-            $this->send_status( 201 );
+            $this->send_status(201);
 
-            do_action( 'wpinv_api_create_invoice', $invoice->ID, $data, $this );
+            do_action('wpinv_api_create_invoice', $invoice->ID, $data, $this);
 
             //wpinv_transaction_query( 'commit' );
 
-            return wpinv_get_invoice( $invoice->ID );
+            return wpinv_get_invoice($invoice->ID);
 
-        } catch ( WPInv_API_Exception $e ) {
+        } catch (WPInv_API_Exception $e) {
 
             //wpinv_transaction_query( 'rollback' );
 
-            return new WP_Error( $e->getErrorCode(), $e->getMessage(), array( 'status' => $e->getCode() ) );
+            return new WP_Error($e->getErrorCode(), $e->getMessage(), array('status' => $e->getCode()));
         }
     }
     
-    public function send_status( $code ) {
-        status_header( $code );
+    public function send_status($code) {
+        status_header($code);
     }
     
-    protected function create_base_invoice( $args, $data ) {
-        return wpinv_create_invoice( $args, $data );
+    protected function create_base_invoice($args, $data) {
+        return wpinv_create_invoice($args, $data);
     }
     
-    protected function set_billing_details( $invoice, $data ) {
+    protected function set_billing_details($invoice, $data) {
         $address_fields = array(
             'user_id',
             'first_name',
@@ -195,66 +195,66 @@ 
         $billing_details = array();
         $user_id = $invoice->get_user_id();
         
-        foreach ( $address_fields as $field ) {
-            if ( isset( $data['billing_details'][ $field ] ) ) {
-                $value = sanitize_text_field( $data['billing_details'][ $field ] );
+        foreach ($address_fields as $field) {
+            if (isset($data['billing_details'][$field])) {
+                $value = sanitize_text_field($data['billing_details'][$field]);
                 
-                if ( $field == 'country' && empty( $value ) ) {
-                    if ( !empty( $invoice->country ) ) {
+                if ($field == 'country' && empty($value)) {
+                    if (!empty($invoice->country)) {
                         $value = $invoice->country;
                     } else {
-                        $value = wpinv_default_billing_country( '', $user_id );
+                        $value = wpinv_default_billing_country('', $user_id);
                     }
                 }
                 
-                if ( $field == 'state' && empty( $value ) ) {
-                    if ( !empty( $invoice->state ) ) {
+                if ($field == 'state' && empty($value)) {
+                    if (!empty($invoice->state)) {
                         $value = $invoice->state;
                     } else {
                         $value = wpinv_get_default_state();
                     }
                 }
                 
-                $invoice->set( $field, $value );
+                $invoice->set($field, $value);
                 
-                update_post_meta( $invoice->ID, '_wpinv_' . $field, $value );
+                update_post_meta($invoice->ID, '_wpinv_' . $field, $value);
             }
         }
         
         return $invoice;
     }
     
-    protected function set_discount( $invoice, $data ) {
-        if ( isset( $data['discount'] ) ) {
-            $invoice->set( 'discount', wpinv_format_amount( $data['discount'], NULL, true ) );
+    protected function set_discount($invoice, $data) {
+        if (isset($data['discount'])) {
+            $invoice->set('discount', wpinv_format_amount($data['discount'], NULL, true));
             
-            update_post_meta( $invoice->ID, '_wpinv_discount', wpinv_format_amount( $data['discount'], NULL, true ) );
+            update_post_meta($invoice->ID, '_wpinv_discount', wpinv_format_amount($data['discount'], NULL, true));
             
-            if ( isset( $data['discount_code'] ) ) {
-                $invoice->set( 'discount_code', $data['discount_code'] );
+            if (isset($data['discount_code'])) {
+                $invoice->set('discount_code', $data['discount_code']);
                 
-                update_post_meta( $invoice->ID, '_wpinv_discount_code', $data['discount_code'] );
+                update_post_meta($invoice->ID, '_wpinv_discount_code', $data['discount_code']);
             }
         }
         
         return $invoice;
     }
     
-    protected function set_items( $invoice, $data ) {
-        if ( !empty( $data['items'] ) && is_array( $data['items'] ) ) {
+    protected function set_items($invoice, $data) {
+        if (!empty($data['items']) && is_array($data['items'])) {
             $items_array = array();
            
-            if ( !empty( $invoice->country ) ) {
+            if (!empty($invoice->country)) {
                 $country = $invoice->country;
-            } else if ( !empty( $data['billing_details']['country'] ) ) {
+            } else if (!empty($data['billing_details']['country'])) {
                 $country = $data['billing_details']['country'];
             } else {
-                $country = wpinv_default_billing_country( '', $invoice->get_user_id() );
+                $country = wpinv_default_billing_country('', $invoice->get_user_id());
             }
             
-            if ( !empty( $invoice->state ) ) {
+            if (!empty($invoice->state)) {
                 $state = $invoice->state;
-            } else if ( !empty( $data['billing_details']['state'] ) ) {
+            } else if (!empty($data['billing_details']['state'])) {
                 $state = $data['billing_details']['state'];
             } else {
                 $state = wpinv_get_default_state();
@@ -263,54 +263,54 @@ 
             $_POST['country']   = $country;
             $_POST['state']     = $state;
             
-            $rate = wpinv_get_tax_rate( $country, $state, 'global' );
+            $rate = wpinv_get_tax_rate($country, $state, 'global');
             
             $total_tax = 0;
-            foreach ( $data['items'] as $item ) {
-                $id                 = isset( $item['id'] ) ? sanitize_text_field( $item['id'] ) : '';
-                $title              = isset( $item['title'] ) ? sanitize_text_field( $item['title'] ) : '';
-                $desc               = isset( $item['description'] ) ? sanitize_text_field( $item['description'] ) : '';
-                $amount             = isset( $item['amount'] ) ? wpinv_format_amount( $item['amount'], NULL, true ) : 0;
+            foreach ($data['items'] as $item) {
+                $id                 = isset($item['id']) ? sanitize_text_field($item['id']) : '';
+                $title              = isset($item['title']) ? sanitize_text_field($item['title']) : '';
+                $desc               = isset($item['description']) ? sanitize_text_field($item['description']) : '';
+                $amount             = isset($item['amount']) ? wpinv_format_amount($item['amount'], NULL, true) : 0;
                 
-                if ( !empty( $item['vat_rates_class'] ) ) {
+                if (!empty($item['vat_rates_class'])) {
                     $vat_rates_class = $item['vat_rates_class'];
                 } else {
                     $vat_rates_class = '_standard';
                 }
-                $vat_rate = wpinv_get_tax_rate( $country, $state, $id );
+                $vat_rate = wpinv_get_tax_rate($country, $state, $id);
                 
-                $tax = $amount > 0 ? ( $amount * 0.01 * (float)$vat_rate ) : 0;
+                $tax = $amount > 0 ? ($amount * 0.01 * (float)$vat_rate) : 0;
                 $total_tax += $tax;
                 
                 $items_array[] = array(
                     'id'                => $id,
-                    'title'             => esc_html( $title ),
-                    'description'       => esc_html( $desc ),
-                    'amount'            => $amount > 0 ? wpinv_format_amount( $amount, NULL, true ) : 0,
-                    'subtotal'          => $amount > 0 ? wpinv_format_amount( $amount, NULL, true ) : 0,
+                    'title'             => esc_html($title),
+                    'description'       => esc_html($desc),
+                    'amount'            => $amount > 0 ? wpinv_format_amount($amount, NULL, true) : 0,
+                    'subtotal'          => $amount > 0 ? wpinv_format_amount($amount, NULL, true) : 0,
                     'vat_rates_class'   => $vat_rates_class,
-                    'vat_rate'          => $vat_rate > 0 ? wpinv_format_amount( $vat_rate, NULL, true ) : 0,
-                    'tax'               => $tax > 0 ? wpinv_format_amount( $tax, NULL, true ) : 0,
+                    'vat_rate'          => $vat_rate > 0 ? wpinv_format_amount($vat_rate, NULL, true) : 0,
+                    'tax'               => $tax > 0 ? wpinv_format_amount($tax, NULL, true) : 0,
                 );
             }
 
-            update_post_meta( $invoice->ID, '_wpinv_tax', wpinv_format_amount( $total_tax, NULL, true ) );
-            $invoice->set( 'tax', wpinv_format_amount( $total_tax, NULL, true ) );
+            update_post_meta($invoice->ID, '_wpinv_tax', wpinv_format_amount($total_tax, NULL, true));
+            $invoice->set('tax', wpinv_format_amount($total_tax, NULL, true));
             
-            $items_array = apply_filters( 'wpinv_save_invoice_items', $items_array, $data['items'], $invoice );
+            $items_array = apply_filters('wpinv_save_invoice_items', $items_array, $data['items'], $invoice);
             
-            $invoice->set( 'items', $items_array );
-            update_post_meta( $invoice->ID, '_wpinv_items', $items_array );
+            $invoice->set('items', $items_array);
+            update_post_meta($invoice->ID, '_wpinv_items', $items_array);
         }
         
         return $invoice;
     }
     
-    protected function set_invoice_meta( $invoice_id, $invoice_meta ) {
-        foreach ( $invoice_meta as $meta_key => $meta_value ) {
+    protected function set_invoice_meta($invoice_id, $invoice_meta) {
+        foreach ($invoice_meta as $meta_key => $meta_value) {
 
-            if ( is_string( $meta_key) && ! is_protected_meta( $meta_key ) && is_scalar( $meta_value ) ) {
-                update_post_meta( $invoice_id, $meta_key, $meta_value );
+            if (is_string($meta_key) && !is_protected_meta($meta_key) && is_scalar($meta_value)) {
+                update_post_meta($invoice_id, $meta_key, $meta_value);
             }
         }
     }
@@ -320,9 +320,9 @@ 
 class WPInv_API_Exception extends Exception {
     protected $error_code;
 
-    public function __construct( $error_code, $error_message, $http_status_code ) {
+    public function __construct($error_code, $error_message, $http_status_code) {
         $this->error_code = $error_code;
-        parent::__construct( $error_message, $http_status_code );
+        parent::__construct($error_message, $http_status_code);
     }
 
     public function getErrorCode() {