AyeCode / invoicing

includes/class-wpinv-reports.php

Spacing +169 added lines, -169 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
     exit; // Exit if accessed directly
 }
 
@@ -21,68 +21,68 @@ 
     public function init() {
         global $wp_filesystem;
 
-        if ( empty( $wp_filesystem ) ) {
-            require_once( ABSPATH . '/wp-admin/includes/file.php' );
+        if (empty($wp_filesystem)) {
+            require_once(ABSPATH . '/wp-admin/includes/file.php');
             WP_Filesystem();
             global $wp_filesystem;
         }
         $this->wp_filesystem    = $wp_filesystem;
         
         $this->export_dir       = $this->export_location();
-        $this->export_url       = $this->export_location( true );
+        $this->export_url       = $this->export_location(true);
         $this->export           = 'invoicing';
         $this->filetype         = 'csv';
         $this->per_page         = 20;
         
-        do_action( 'wpinv_class_reports_init', $this );
+        do_action('wpinv_class_reports_init', $this);
     }
     
     public function includes() {
-        do_action( 'wpinv_class_reports_includes', $this );
+        do_action('wpinv_class_reports_includes', $this);
     }
     
     public function actions() {
-        if ( is_admin() ) {
-            add_action( 'admin_menu', array( $this, 'add_submenu' ), 10 );
-            add_action( 'wpinv_reports_tab_export', array( $this, 'export' ) );
-            add_action( 'wp_ajax_wpinv_ajax_export', array( $this, 'ajax_export' ) );
+        if (is_admin()) {
+            add_action('admin_menu', array($this, 'add_submenu'), 10);
+            add_action('wpinv_reports_tab_export', array($this, 'export'));
+            add_action('wp_ajax_wpinv_ajax_export', array($this, 'ajax_export'));
             
             // Export Invoices.
-            add_action( 'wpinv_export_set_params_invoices', array( $this, 'set_invoices_export' ) );
-            add_filter( 'wpinv_export_get_columns_invoices', array( $this, 'get_invoices_columns' ) );
-            add_filter( 'wpinv_export_get_data_invoices', array( $this, 'get_invoices_data' ) );
-            add_filter( 'wpinv_get_export_status_invoices', array( $this, 'invoices_export_status' ) );
+            add_action('wpinv_export_set_params_invoices', array($this, 'set_invoices_export'));
+            add_filter('wpinv_export_get_columns_invoices', array($this, 'get_invoices_columns'));
+            add_filter('wpinv_export_get_data_invoices', array($this, 'get_invoices_data'));
+            add_filter('wpinv_get_export_status_invoices', array($this, 'invoices_export_status'));
         }
-        do_action( 'wpinv_class_reports_actions', $this );
+        do_action('wpinv_class_reports_actions', $this);
     }
     
     public function add_submenu() {
         global $wpi_reports_page;
-        $wpi_reports_page = add_submenu_page( 'wpinv', __( 'Reports', 'invoicing' ), __( 'Reports', 'invoicing' ), 'manage_options', 'wpinv-reports', array( $this, 'reports_page' ) );
+        $wpi_reports_page = add_submenu_page('wpinv', __('Reports', 'invoicing'), __('Reports', 'invoicing'), 'manage_options', 'wpinv-reports', array($this, 'reports_page'));
     }
     
     public function reports_page() {
-        if ( !wp_script_is( 'postbox', 'enqueued' ) ) {
-            wp_enqueue_script( 'postbox' );
+        if (!wp_script_is('postbox', 'enqueued')) {
+            wp_enqueue_script('postbox');
         }
-        if ( !wp_script_is( 'jquery-ui-datepicker', 'enqueued' ) ) {
-            wp_enqueue_script( 'jquery-ui-datepicker' );
+        if (!wp_script_is('jquery-ui-datepicker', 'enqueued')) {
+            wp_enqueue_script('jquery-ui-datepicker');
         }
         
-        $current_page = admin_url( 'admin.php?page=wpinv-reports' );
-        $active_tab = isset( $_GET['tab'] ) ? sanitize_text_field( $_GET['tab'] ) : 'export';
+        $current_page = admin_url('admin.php?page=wpinv-reports');
+        $active_tab = isset($_GET['tab']) ? sanitize_text_field($_GET['tab']) : 'export';
         ?>
         <div class="wrap wpi-reports-wrap">
-            <h1><?php echo esc_html( __( 'Reports', 'invoicing' ) ); ?></h1>
+            <h1><?php echo esc_html(__('Reports', 'invoicing')); ?></h1>
             <h2 class="nav-tab-wrapper wp-clearfix">
-                <a href="<?php echo add_query_arg( array( 'tab' => 'export', 'settings-updated' => false ), $current_page ); ?>" class="nav-tab <?php echo $active_tab == 'export' ? 'nav-tab-active' : ''; ?>"><?php _e( 'Export', 'invoicing' ); ?></a>
-                <?php do_action( 'wpinv_reports_page_tabs' ); ;?>
+                <a href="<?php echo add_query_arg(array('tab' => 'export', 'settings-updated' => false), $current_page); ?>" class="nav-tab <?php echo $active_tab == 'export' ? 'nav-tab-active' : ''; ?>"><?php _e('Export', 'invoicing'); ?></a>
+                <?php do_action('wpinv_reports_page_tabs'); ;?>
             </h2>
             <div class="wpi-reports-content wpi-reports-<?php echo $active_tab; ?>">
             <?php
-                do_action( 'wpinv_reports_page_top' );
-                do_action( 'wpinv_reports_tab_' . $active_tab );
-                do_action( 'wpinv_reports_page_bottom' );
+                do_action('wpinv_reports_page_top');
+                do_action('wpinv_reports_tab_' . $active_tab);
+                do_action('wpinv_reports_page_bottom');
             ?>
         </div>
         <?php
@@ -90,97 +90,97 @@ 
     
     public function export() {
         $statuses = wpinv_get_invoice_statuses();
-        $statuses = array_merge( array( 'any' => __( 'All Statuses', 'invoicing' ) ), $statuses );
+        $statuses = array_merge(array('any' => __('All Statuses', 'invoicing')), $statuses);
         ?>
         <div class="metabox-holder">
             <div id="post-body">
                 <div id="post-body-content">
-                    <?php do_action( 'wpinv_reports_tab_export_content_top' ); ?>
+                    <?php do_action('wpinv_reports_tab_export_content_top'); ?>
                     
                     <div class="postbox wpi-export-invoices">
-                        <h2 class="hndle ui-sortabled-handle"><span><?php _e( 'Invoices','invoicing' ); ?></span></h2>
+                        <h2 class="hndle ui-sortabled-handle"><span><?php _e('Invoices', 'invoicing'); ?></span></h2>
                         <div class="inside">
-                            <p><?php _e( 'Download a CSV of all payment invoices.', 'invoicing' ); ?></p>
+                            <p><?php _e('Download a CSV of all payment invoices.', 'invoicing'); ?></p>
                             <form id="wpi-export-invoices" class="wpi-export-form" method="post">
-                                <?php echo wpinv_html_date_field( array( 
+                                <?php echo wpinv_html_date_field(array( 
                                     'id' => 'wpi_export_from_date', 
                                     'name' => 'from_date',
                                     'data' => array(
                                         'dateFormat' => 'yy-mm-dd'
                                     ),
-                                    'placeholder' => __( 'From date', 'invoicing' ) )
+                                    'placeholder' => __('From date', 'invoicing') )
                                 ); ?>
-                                <?php echo wpinv_html_date_field( array( 
+                                <?php echo wpinv_html_date_field(array( 
                                     'id' => 'wpi_export_to_date',
                                     'name' => 'to_date',
                                     'data' => array(
                                         'dateFormat' => 'yy-mm-dd'
                                     ),
-                                    'placeholder' => __( 'To date', 'invoicing' ) )
+                                    'placeholder' => __('To date', 'invoicing') )
                                 ); ?>
                                 <span id="wpinv-status-wrap">
-                                <?php echo wpinv_html_select( array(
+                                <?php echo wpinv_html_select(array(
                                     'options'          => $statuses,
                                     'name'             => 'status',
                                     'id'               => 'wpi_export_status',
                                     'show_option_all'  => false,
                                     'show_option_none' => false,
                                     'class'            => '',
-                                ) ); ?>
-                                <?php wp_nonce_field( 'wpi_ajax_export', 'wpi_ajax_export' ); ?>
+                                )); ?>
+                                <?php wp_nonce_field('wpi_ajax_export', 'wpi_ajax_export'); ?>
                                 </span>
                                 <span id="wpinv-submit-wrap">
                                     <input type="hidden" value="invoices" name="export" />
-                                    <input type="submit" value="<?php _e( 'Generate CSV', 'invoicing' ); ?>" class="button-primary" />
+                                    <input type="submit" value="<?php _e('Generate CSV', 'invoicing'); ?>" class="button-primary" />
                                 </span>
                             </form>
                         </div>
                     </div>
                     
-                    <?php do_action( 'wpinv_reports_tab_export_content_bottom' ); ?>
+                    <?php do_action('wpinv_reports_tab_export_content_bottom'); ?>
                 </div>
             </div>
         </div>
         <?php
     }
     
-    public function export_location( $relative = false ) {
+    public function export_location($relative = false) {
         $upload_dir         = wp_upload_dir();
-        $export_location    = $relative ? trailingslashit( $upload_dir['baseurl'] ) . 'cache' : trailingslashit( $upload_dir['basedir'] ) . 'cache';
-        $export_location    = apply_filters( 'wpinv_export_location', $export_location, $relative );
+        $export_location    = $relative ? trailingslashit($upload_dir['baseurl']) . 'cache' : trailingslashit($upload_dir['basedir']) . 'cache';
+        $export_location    = apply_filters('wpinv_export_location', $export_location, $relative);
         
-        return trailingslashit( $export_location );
+        return trailingslashit($export_location);
     }
     
     public function check_export_location() {
         try {
-            if ( empty( $this->wp_filesystem ) ) {
-                return __( 'Filesystem ERROR: Could not access filesystem.', 'invoicing' );
+            if (empty($this->wp_filesystem)) {
+                return __('Filesystem ERROR: Could not access filesystem.', 'invoicing');
             }
 
-            if ( is_wp_error( $this->wp_filesystem ) ) {
-                return __( 'Filesystem ERROR: ' . $this->wp_filesystem->get_error_message(), 'invoicing' );
+            if (is_wp_error($this->wp_filesystem)) {
+                return __('Filesystem ERROR: ' . $this->wp_filesystem->get_error_message(), 'invoicing');
             }
         
-            $is_dir         = $this->wp_filesystem->is_dir( $this->export_dir );
-            $is_writeable   = $is_dir && is_writeable( $this->export_dir );
+            $is_dir         = $this->wp_filesystem->is_dir($this->export_dir);
+            $is_writeable   = $is_dir && is_writeable($this->export_dir);
             
-            if ( $is_dir && $is_writeable ) {
+            if ($is_dir && $is_writeable) {
                return true;
-            } else if ( $is_dir && !$is_writeable ) {
-               if ( !$this->wp_filesystem->chmod( $this->export_dir, FS_CHMOD_DIR ) ) {
-                   return wp_sprintf( __( 'Filesystem ERROR: Export location %s is not writable, check your file permissions.', 'invoicing' ), $this->export_dir );
+            } else if ($is_dir && !$is_writeable) {
+               if (!$this->wp_filesystem->chmod($this->export_dir, FS_CHMOD_DIR)) {
+                   return wp_sprintf(__('Filesystem ERROR: Export location %s is not writable, check your file permissions.', 'invoicing'), $this->export_dir);
                }
                
                return true;
             } else {
-                if ( !$this->wp_filesystem->mkdir( $this->export_dir, FS_CHMOD_DIR ) ) {
-                    return wp_sprintf( __( 'Filesystem ERROR: Could not create directory %s. This is usually due to inconsistent file permissions.', 'invoicing' ), $this->export_dir );
+                if (!$this->wp_filesystem->mkdir($this->export_dir, FS_CHMOD_DIR)) {
+                    return wp_sprintf(__('Filesystem ERROR: Could not create directory %s. This is usually due to inconsistent file permissions.', 'invoicing'), $this->export_dir);
                 }
                 
                 return true;
             }
-        } catch ( Exception $e ) {
+        } catch (Exception $e) {
             return $e->getMessage();
         }
     }
@@ -188,130 +188,130 @@ 
     public function ajax_export() {
         $response               = array();
         $response['success']    = false;
-        $response['msg']        = __( 'Invalid export request found.', 'invoicing' );
+        $response['msg']        = __('Invalid export request found.', 'invoicing');
         
-        if ( empty( $_POST['data'] ) || !current_user_can( 'manage_options' ) ) {
-            wp_send_json( $response );
+        if (empty($_POST['data']) || !current_user_can('manage_options')) {
+            wp_send_json($response);
         }
 
-        parse_str( $_POST['data'], $data );
+        parse_str($_POST['data'], $data);
         
-        $data['step']   = !empty( $_POST['step'] ) ? absint( $_POST['step'] ) : 1;
+        $data['step'] = !empty($_POST['step']) ? absint($_POST['step']) : 1;
 
         $_REQUEST = (array)$data;
-        if ( !( !empty( $_REQUEST['wpi_ajax_export'] ) && wp_verify_nonce( $_REQUEST['wpi_ajax_export'], 'wpi_ajax_export' ) ) ) {
-            $response['msg']    = __( 'Security check failed.', 'invoicing' );
-            wp_send_json( $response );
+        if (!(!empty($_REQUEST['wpi_ajax_export']) && wp_verify_nonce($_REQUEST['wpi_ajax_export'], 'wpi_ajax_export'))) {
+            $response['msg'] = __('Security check failed.', 'invoicing');
+            wp_send_json($response);
         }
         
-        if ( ( $error = $this->check_export_location( true ) ) !== true ) {
-            $response['msg'] = __( 'Filesystem ERROR: ' . $error, 'invoicing' );
-            wp_send_json( $response );
+        if (($error = $this->check_export_location(true)) !== true) {
+            $response['msg'] = __('Filesystem ERROR: ' . $error, 'invoicing');
+            wp_send_json($response);
         }
                         
-        $this->set_export_params( $_REQUEST );
+        $this->set_export_params($_REQUEST);
         
         $return = $this->process_export_step();
         $done   = $this->get_export_status();
         
-        if ( $return ) {
+        if ($return) {
             $this->step += 1;
             
             $response['success']    = true;
             $response['msg']        = '';
             
-            if ( $done >= 100 ) {
+            if ($done >= 100) {
                 $this->step     = 'done';
-                $new_filename   = 'wpi-' . $this->export . '-' . date( 'y-m-d-H-i' ) . '.' . $this->filetype;
+                $new_filename   = 'wpi-' . $this->export . '-' . date('y-m-d-H-i') . '.' . $this->filetype;
                 $new_file       = $this->export_dir . $new_filename;
                 
-                if ( file_exists( $this->file ) ) {
-                    $this->wp_filesystem->move( $this->file, $new_file, true );
+                if (file_exists($this->file)) {
+                    $this->wp_filesystem->move($this->file, $new_file, true);
                 }
                 
-                if ( file_exists( $new_file ) ) {
-                    $response['data']['file'] = array( 'u' => $this->export_url . $new_filename, 's' => size_format( filesize( $new_file ), 2 ) );
+                if (file_exists($new_file)) {
+                    $response['data']['file'] = array('u' => $this->export_url . $new_filename, 's' => size_format(filesize($new_file), 2));
                 }
             }
             
             $response['data']['step']   = $this->step;
             $response['data']['done']   = $done;
         } else {
-            $response['msg']    = __( 'No data found for export.', 'invoicing' );
+            $response['msg'] = __('No data found for export.', 'invoicing');
         }
 
-        wp_send_json( $response );
+        wp_send_json($response);
     }
     
-    public function set_export_params( $request ) {
+    public function set_export_params($request) {
         $this->empty    = false;
-        $this->step     = !empty( $request['step'] ) ? absint( $request['step'] ) : 1;
-        $this->export   = !empty( $request['export'] ) ? $request['export'] : $this->export;
+        $this->step     = !empty($request['step']) ? absint($request['step']) : 1;
+        $this->export   = !empty($request['export']) ? $request['export'] : $this->export;
         $this->filename = 'wpi-' . $this->export . '-' . $request['wpi_ajax_export'] . '.' . $this->filetype;
         $this->file     = $this->export_dir . $this->filename;
         
-        do_action( 'wpinv_export_set_params_' . $this->export, $request );
+        do_action('wpinv_export_set_params_' . $this->export, $request);
     }
     
     public function get_columns() {
         $columns = array(
-            'id'   => __( 'ID',   'invoicing' ),
-            'date' => __( 'Date', 'invoicing' )
+            'id'   => __('ID', 'invoicing'),
+            'date' => __('Date', 'invoicing')
         );
         
-        return apply_filters( 'wpinv_export_get_columns_' . $this->export, $columns );
+        return apply_filters('wpinv_export_get_columns_' . $this->export, $columns);
     }
     
     protected function get_export_file() {
         $file = '';
 
-        if ( $this->wp_filesystem->exists( $this->file ) ) {
-            $file = $this->wp_filesystem->get_contents( $this->file );
+        if ($this->wp_filesystem->exists($this->file)) {
+            $file = $this->wp_filesystem->get_contents($this->file);
         } else {
-            $this->wp_filesystem->put_contents( $this->file, '' );
+            $this->wp_filesystem->put_contents($this->file, '');
         }
 
         return $file;
     }
     
-    protected function attach_export_data( $data = '' ) {
-        $filedata   = $this->get_export_file();
-        $filedata   .= $data;
+    protected function attach_export_data($data = '') {
+        $filedata = $this->get_export_file();
+        $filedata .= $data;
         
-        $this->wp_filesystem->put_contents( $this->file, $filedata );
+        $this->wp_filesystem->put_contents($this->file, $filedata);
 
-        $rows       = file( $this->file, FILE_SKIP_EMPTY_LINES );
+        $rows       = file($this->file, FILE_SKIP_EMPTY_LINES);
         $columns    = $this->get_columns();
-        $columns    = empty( $columns ) ? 0 : 1;
+        $columns    = empty($columns) ? 0 : 1;
 
-        $this->empty = count( $rows ) == $columns ? true : false;
+        $this->empty = count($rows) == $columns ? true : false;
     }
     
     public function print_columns() {
         $column_data    = '';
         $columns        = $this->get_columns();
         $i              = 1;
-        foreach( $columns as $key => $column ) {
-            $column_data .= '"' . addslashes( $column ) . '"';
-            $column_data .= $i == count( $columns ) ? '' : ',';
+        foreach ($columns as $key => $column) {
+            $column_data .= '"' . addslashes($column) . '"';
+            $column_data .= $i == count($columns) ? '' : ',';
             $i++;
         }
         $column_data .= "\r\n";
 
-        $this->attach_export_data( $column_data );
+        $this->attach_export_data($column_data);
 
         return $column_data;
     }
     
     public function process_export_step() {
-        if ( $this->step < 2 ) {
-            @unlink( $this->file );
+        if ($this->step < 2) {
+            @unlink($this->file);
             $this->print_columns();
         }
         
         $return = $this->print_rows();
         
-        if ( $return ) {
+        if ($return) {
             return true;
         } else {
             return false;
@@ -320,23 +320,23 @@ 
     
     public function get_export_status() {
         $status = 100;
-        return apply_filters( 'wpinv_get_export_status_' . $this->export, $status );
+        return apply_filters('wpinv_get_export_status_' . $this->export, $status);
     }
     
     public function get_export_data() {
         $data = array(
             0 => array(
                 'id'   => '',
-                'data' => date( 'F j, Y' )
+                'data' => date('F j, Y')
             ),
             1 => array(
                 'id'   => '',
-                'data' => date( 'F j, Y' )
+                'data' => date('F j, Y')
             )
         );
 
-        $data = apply_filters( 'wpinv_export_get_data', $data );
-        $data = apply_filters( 'wpinv_export_get_data_' . $this->export, $data );
+        $data = apply_filters('wpinv_export_get_data', $data);
+        $data = apply_filters('wpinv_export_get_data_' . $this->export, $data);
 
         return $data;
     }
@@ -346,20 +346,20 @@ 
         $data       = $this->get_export_data();
         $columns    = $this->get_columns();
 
-        if ( $data ) {
-            foreach ( $data as $row ) {
+        if ($data) {
+            foreach ($data as $row) {
                 $i = 1;
-                foreach ( $row as $key => $column ) {
-                    if ( array_key_exists( $key, $columns ) ) {
-                        $row_data .= '"' . addslashes( preg_replace( "/\"/","'", $column ) ) . '"';
-                        $row_data .= $i == count( $columns ) ? '' : ',';
+                foreach ($row as $key => $column) {
+                    if (array_key_exists($key, $columns)) {
+                        $row_data .= '"' . addslashes(preg_replace("/\"/", "'", $column)) . '"';
+                        $row_data .= $i == count($columns) ? '' : ',';
                         $i++;
                     }
                 }
                 $row_data .= "\r\n";
             }
 
-            $this->attach_export_data( $row_data );
+            $this->attach_export_data($row_data);
 
             return $row_data;
         }
@@ -368,46 +368,46 @@ 
     }
     
     // Export Invoices.
-    public function set_invoices_export( $request ) {
-        $this->from_date    = isset( $request['from_date'] ) ? sanitize_text_field( $request['from_date'] ) : '';
-        $this->to_date      = isset( $request['to_date'] ) ? sanitize_text_field( $request['to_date'] ) : '';
-        $this->status       = isset( $request['status'] ) ? sanitize_text_field( $request['status'] ) : 'publish';
+    public function set_invoices_export($request) {
+        $this->from_date    = isset($request['from_date']) ? sanitize_text_field($request['from_date']) : '';
+        $this->to_date      = isset($request['to_date']) ? sanitize_text_field($request['to_date']) : '';
+        $this->status       = isset($request['status']) ? sanitize_text_field($request['status']) : 'publish';
     }
     
-    public function get_invoices_columns( $columns = array() ) {
+    public function get_invoices_columns($columns = array()) {
         $columns = array(
-            'id'            => __( 'ID',   'invoicing' ),
-            'number'        => __( 'Number',   'invoicing' ),
-            'date'          => __( 'Date', 'invoicing' ),
-            'amount'        => __( 'Amount', 'invoicing' ),
-            'status_nicename'  => __( 'Status Nicename', 'invoicing' ),
-            'status'        => __( 'Status', 'invoicing' ),
-            'tax'           => __( 'Tax', 'invoicing' ),
-            'discount'      => __( 'Discount', 'invoicing' ),
-            'user_id'       => __( 'User ID', 'invoicing' ),
-            'email'         => __( 'Email', 'invoicing' ),
-            'first_name'    => __( 'First Name', 'invoicing' ),
-            'last_name'     => __( 'Last Name', 'invoicing' ),
-            'address'       => __( 'Address', 'invoicing' ),
-            'city'          => __( 'City', 'invoicing' ),
-            'state'         => __( 'State', 'invoicing' ),
-            'country'       => __( 'Country', 'invoicing' ),
-            'zip'           => __( 'Zipcode', 'invoicing' ),
-            'phone'         => __( 'Phone', 'invoicing' ),
-            'company'       => __( 'Company', 'invoicing' ),
-            'vat_number'    => __( 'Vat Number', 'invoicing' ),
-            'ip'            => __( 'IP', 'invoicing' ),
-            'gateway'       => __( 'Gateway', 'invoicing' ),
-            'gateway_nicename'       => __( 'Gateway Nicename', 'invoicing' ),
-            'transaction_id'=> __( 'Transaction ID', 'invoicing' ),
-            'currency'      => __( 'Currency', 'invoicing' ),
-            'due_date'      => __( 'Due Date', 'invoicing' ),
+            'id'            => __('ID', 'invoicing'),
+            'number'        => __('Number', 'invoicing'),
+            'date'          => __('Date', 'invoicing'),
+            'amount'        => __('Amount', 'invoicing'),
+            'status_nicename'  => __('Status Nicename', 'invoicing'),
+            'status'        => __('Status', 'invoicing'),
+            'tax'           => __('Tax', 'invoicing'),
+            'discount'      => __('Discount', 'invoicing'),
+            'user_id'       => __('User ID', 'invoicing'),
+            'email'         => __('Email', 'invoicing'),
+            'first_name'    => __('First Name', 'invoicing'),
+            'last_name'     => __('Last Name', 'invoicing'),
+            'address'       => __('Address', 'invoicing'),
+            'city'          => __('City', 'invoicing'),
+            'state'         => __('State', 'invoicing'),
+            'country'       => __('Country', 'invoicing'),
+            'zip'           => __('Zipcode', 'invoicing'),
+            'phone'         => __('Phone', 'invoicing'),
+            'company'       => __('Company', 'invoicing'),
+            'vat_number'    => __('Vat Number', 'invoicing'),
+            'ip'            => __('IP', 'invoicing'),
+            'gateway'       => __('Gateway', 'invoicing'),
+            'gateway_nicename'       => __('Gateway Nicename', 'invoicing'),
+            'transaction_id'=> __('Transaction ID', 'invoicing'),
+            'currency'      => __('Currency', 'invoicing'),
+            'due_date'      => __('Due Date', 'invoicing'),
         );
 
         return $columns;
     }
         
-    public function get_invoices_data( $response = array() ) {
+    public function get_invoices_data($response = array()) {
         $args = array(
             'limit'    => $this->per_page,
             'page'     => $this->step,
@@ -415,35 +415,35 @@ 
             'orderby'  => 'date',
         );
         
-        if ( $this->status != 'any' ) {
+        if ($this->status != 'any') {
             $args['status'] = $this->status;
         }
 
-        if ( !empty( $this->from_date ) || !empty( $this->to_date ) ) {
+        if (!empty($this->from_date) || !empty($this->to_date)) {
             $args['date_query'] = array(
                 array(
-                    'after'     => date( 'Y-n-d 00:00:00', strtotime( $this->from_date ) ),
-                    'before'    => date( 'Y-n-d 23:59:59', strtotime( $this->to_date ) ),
+                    'after'     => date('Y-n-d 00:00:00', strtotime($this->from_date)),
+                    'before'    => date('Y-n-d 23:59:59', strtotime($this->to_date)),
                     'inclusive' => true
                 )
             );
         }
 
-        $invoices = wpinv_get_invoices( $args );
+        $invoices = wpinv_get_invoices($args);
         
         $data = array();
         
-        if ( !empty( $invoices ) ) {
-            foreach ( $invoices as $invoice ) {
+        if (!empty($invoices)) {
+            foreach ($invoices as $invoice) {
                 $row = array(
                     'id'            => $invoice->ID,
                     'number'        => $invoice->get_number(),
-                    'date'          => $invoice->get_invoice_date( false ),
-                    'amount'        => wpinv_round_amount( $invoice->get_total() ),
-                    'status_nicename' => $invoice->get_status( true ),
+                    'date'          => $invoice->get_invoice_date(false),
+                    'amount'        => wpinv_round_amount($invoice->get_total()),
+                    'status_nicename' => $invoice->get_status(true),
                     'status'        => $invoice->get_status(),
-                    'tax'           => $invoice->get_tax() > 0 ? wpinv_round_amount( $invoice->get_tax() ) : '',
-                    'discount'      => $invoice->get_discount() > 0 ? wpinv_round_amount( $invoice->get_discount() ) : '',
+                    'tax'           => $invoice->get_tax() > 0 ? wpinv_round_amount($invoice->get_tax()) : '',
+                    'discount'      => $invoice->get_discount() > 0 ? wpinv_round_amount($invoice->get_discount()) : '',
                     'user_id'       => $invoice->get_user_id(),
                     'email'         => $invoice->get_email(),
                     'first_name'    => $invoice->get_first_name(),
@@ -464,7 +464,7 @@ 
                     'due_date'      => $invoice->needs_payment() ? $invoice->get_due_date() : '',
                 );
                 
-                $data[] = apply_filters( 'wpinv_export_invoice_row', $row, $invoice );
+                $data[] = apply_filters('wpinv_export_invoice_row', $row, $invoice);
             }
 
             return $data;
@@ -480,29 +480,29 @@ 
             'return'   => 'ids',
         );
         
-        if ( $this->status != 'any' ) {
+        if ($this->status != 'any') {
             $args['status'] = $this->status;
         }
 
-        if ( !empty( $this->from_date ) || !empty( $this->to_date ) ) {
+        if (!empty($this->from_date) || !empty($this->to_date)) {
             $args['date_query'] = array(
                 array(
-                    'after'     => date( 'Y-n-d 00:00:00', strtotime( $this->from_date ) ),
-                    'before'    => date( 'Y-n-d 23:59:59', strtotime( $this->to_date ) ),
+                    'after'     => date('Y-n-d 00:00:00', strtotime($this->from_date)),
+                    'before'    => date('Y-n-d 23:59:59', strtotime($this->to_date)),
                     'inclusive' => true
                 )
             );
         }
 
-        $invoices   = wpinv_get_invoices( $args );
-        $total      = !empty( $invoices ) ? count( $invoices ) : 0;
+        $invoices   = wpinv_get_invoices($args);
+        $total      = !empty($invoices) ? count($invoices) : 0;
         $status     = 100;
 
-        if ( $total > 0 ) {
-            $status = ( ( $this->per_page * $this->step ) / $total ) * 100;
+        if ($total > 0) {
+            $status = (($this->per_page * $this->step) / $total) * 100;
         }
 
-        if ( $status > 100 ) {
+        if ($status > 100) {
             $status = 100;
         }
 

includes/wpinv-helper-functions.php

Spacing +235 added lines, -235 removed lines

@@ -7,89 +7,89 @@ 
  */
  
 // 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_item_quantities_enabled() {
-    $ret = wpinv_get_option( 'item_quantities', true );
+    $ret = wpinv_get_option('item_quantities', true);
     
-    return (bool) apply_filters( 'wpinv_item_quantities_enabled', $ret );
+    return (bool)apply_filters('wpinv_item_quantities_enabled', $ret);
 }
 
 function wpinv_get_ip() {
     $ip = '127.0.0.1';
 
-    if ( !empty( $_SERVER['HTTP_CLIENT_IP'] ) ) {
-        $ip = sanitize_text_field( $_SERVER['HTTP_CLIENT_IP'] );
-    } elseif ( !empty( $_SERVER['HTTP_X_FORWARDED_FOR'] ) ) {
-        $ip = sanitize_text_field( $_SERVER['HTTP_X_FORWARDED_FOR'] );
-    } elseif( !empty( $_SERVER['REMOTE_ADDR'] ) ) {
-        $ip = sanitize_text_field( $_SERVER['REMOTE_ADDR'] );
+    if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
+        $ip = sanitize_text_field($_SERVER['HTTP_CLIENT_IP']);
+    } elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
+        $ip = sanitize_text_field($_SERVER['HTTP_X_FORWARDED_FOR']);
+    } elseif (!empty($_SERVER['REMOTE_ADDR'])) {
+        $ip = sanitize_text_field($_SERVER['REMOTE_ADDR']);
     }
     
-    return apply_filters( 'wpinv_get_ip', $ip );
+    return apply_filters('wpinv_get_ip', $ip);
 }
 
 function wpinv_get_user_agent() {
-    if ( ! empty( $_SERVER['HTTP_USER_AGENT'] ) ) {
-        $user_agent = sanitize_text_field( $_SERVER['HTTP_USER_AGENT'] );
+    if (!empty($_SERVER['HTTP_USER_AGENT'])) {
+        $user_agent = sanitize_text_field($_SERVER['HTTP_USER_AGENT']);
     } else {
         $user_agent = '';
     }
     
-    return apply_filters( 'wpinv_get_user_agent', $user_agent );
+    return apply_filters('wpinv_get_user_agent', $user_agent);
 }
 
-function wpinv_sanitize_amount( $amount, $decimals = NULL ) {
+function wpinv_sanitize_amount($amount, $decimals = NULL) {
     $is_negative   = false;
     $thousands_sep = wpinv_thousands_separator();
     $decimal_sep   = wpinv_decimal_separator();
-    if ( $decimals === NULL ) {
+    if ($decimals === NULL) {
         $decimals = wpinv_decimals();
     }
 
     // Sanitize the amount
-    if ( $decimal_sep == ',' && false !== ( $found = strpos( $amount, $decimal_sep ) ) ) {
-        if ( ( $thousands_sep == '.' || $thousands_sep == ' ' ) && false !== ( $found = strpos( $amount, $thousands_sep ) ) ) {
-            $amount = str_replace( $thousands_sep, '', $amount );
-        } elseif( empty( $thousands_sep ) && false !== ( $found = strpos( $amount, '.' ) ) ) {
-            $amount = str_replace( '.', '', $amount );
+    if ($decimal_sep == ',' && false !== ($found = strpos($amount, $decimal_sep))) {
+        if (($thousands_sep == '.' || $thousands_sep == ' ') && false !== ($found = strpos($amount, $thousands_sep))) {
+            $amount = str_replace($thousands_sep, '', $amount);
+        } elseif (empty($thousands_sep) && false !== ($found = strpos($amount, '.'))) {
+            $amount = str_replace('.', '', $amount);
         }
 
-        $amount = str_replace( $decimal_sep, '.', $amount );
-    } elseif( $thousands_sep == ',' && false !== ( $found = strpos( $amount, $thousands_sep ) ) ) {
-        $amount = str_replace( $thousands_sep, '', $amount );
+        $amount = str_replace($decimal_sep, '.', $amount);
+    } elseif ($thousands_sep == ',' && false !== ($found = strpos($amount, $thousands_sep))) {
+        $amount = str_replace($thousands_sep, '', $amount);
     }
 
-    if( $amount < 0 ) {
+    if ($amount < 0) {
         $is_negative = true;
     }
 
-    $amount   = preg_replace( '/[^0-9\.]/', '', $amount );
+    $amount   = preg_replace('/[^0-9\.]/', '', $amount);
 
-    $decimals = apply_filters( 'wpinv_sanitize_amount_decimals', absint( $decimals ), $amount );
-    $amount   = number_format( (double) $amount, absint( $decimals ), '.', '' );
+    $decimals = apply_filters('wpinv_sanitize_amount_decimals', absint($decimals), $amount);
+    $amount   = number_format((double)$amount, absint($decimals), '.', '');
 
-    if( $is_negative ) {
+    if ($is_negative) {
         $amount *= -1;
     }
 
-    return apply_filters( 'wpinv_sanitize_amount', $amount, $decimals );
+    return apply_filters('wpinv_sanitize_amount', $amount, $decimals);
 }
-add_filter( 'wpinv_sanitize_amount_decimals', 'wpinv_currency_decimal_filter', 10, 1 );
+add_filter('wpinv_sanitize_amount_decimals', 'wpinv_currency_decimal_filter', 10, 1);
 
-function wpinv_round_amount( $amount, $decimals = NULL ) {
-    if ( $decimals === NULL ) {
+function wpinv_round_amount($amount, $decimals = NULL) {
+    if ($decimals === NULL) {
         $decimals = wpinv_decimals();
     }
     
-    $amount = round( (double)$amount, wpinv_currency_decimal_filter( absint( $decimals ) ) );
+    $amount = round((double)$amount, wpinv_currency_decimal_filter(absint($decimals)));
 
-    return apply_filters( 'wpinv_round_amount', $amount, $decimals );
+    return apply_filters('wpinv_round_amount', $amount, $decimals);
 }
 
-function wpinv_get_invoice_statuses( $trashed = false ) {
+function wpinv_get_invoice_statuses($trashed = false) {
     global $post;
     $invoice_statuses = array();
     $invoice_statuses = array(
@@ -103,32 +103,32 @@ 
         'wpi-renewal' => __('Renewal Payment', 'invoicing')
     );
     
-    if ( $trashed ) {
-        $invoice_statuses['trash'] = __( 'Trash', 'invoicing' );
+    if ($trashed) {
+        $invoice_statuses['trash'] = __('Trash', 'invoicing');
     }
 
-    return apply_filters( 'wpinv_statuses', $invoice_statuses );
+    return apply_filters('wpinv_statuses', $invoice_statuses);
 }
 
-function wpinv_status_nicename( $status ) {
+function wpinv_status_nicename($status) {
     $statuses = wpinv_get_invoice_statuses();
-    $status   = isset( $statuses[$status] ) ? $statuses[$status] : __( $status, 'invoicing' );
+    $status   = isset($statuses[$status]) ? $statuses[$status] : __($status, 'invoicing');
 
     return $status;
 }
 
 function wpinv_get_currency() {
-    $currency = wpinv_get_option( 'currency', 'USD' );
+    $currency = wpinv_get_option('currency', 'USD');
     
-    return apply_filters( 'wpinv_currency', $currency );
+    return apply_filters('wpinv_currency', $currency);
 }
 
-function wpinv_currency_symbol( $currency = '' ) {
-    if ( empty( $currency ) ) {
+function wpinv_currency_symbol($currency = '') {
+    if (empty($currency)) {
         $currency = wpinv_get_currency();
     }
     
-    $symbols = apply_filters( 'wpinv_currency_symbols', array(
+    $symbols = apply_filters('wpinv_currency_symbols', array(
         'AED' => 'د.إ',
         'ARS' => '&#36;',
         'AUD' => '&#36;',
@@ -180,78 +180,78 @@ 
         'USD' => '&#36;',
         'VND' => '&#8363;',
         'ZAR' => '&#82;',
-    ) );
+    ));
 
-    $currency_symbol = isset( $symbols[$currency] ) ? $symbols[$currency] : '&#36;';
+    $currency_symbol = isset($symbols[$currency]) ? $symbols[$currency] : '&#36;';
 
-    return apply_filters( 'wpinv_currency_symbol', $currency_symbol, $currency );
+    return apply_filters('wpinv_currency_symbol', $currency_symbol, $currency);
 }
 
 function wpinv_currency_position() {
-    $position = wpinv_get_option( 'currency_position', 'left' );
+    $position = wpinv_get_option('currency_position', 'left');
     
-    return apply_filters( 'wpinv_currency_position', $position );
+    return apply_filters('wpinv_currency_position', $position);
 }
 
 function wpinv_thousands_separator() {
-    $thousand_sep = wpinv_get_option( 'thousands_separator', ',' );
+    $thousand_sep = wpinv_get_option('thousands_separator', ',');
     
-    return apply_filters( 'wpinv_thousands_separator', $thousand_sep );
+    return apply_filters('wpinv_thousands_separator', $thousand_sep);
 }
 
 function wpinv_decimal_separator() {
-    $decimal_sep = wpinv_get_option( 'decimal_separator', '.' );
+    $decimal_sep = wpinv_get_option('decimal_separator', '.');
     
-    return apply_filters( 'wpinv_decimal_separator', $decimal_sep );
+    return apply_filters('wpinv_decimal_separator', $decimal_sep);
 }
 
 function wpinv_decimals() {
-    $decimals = apply_filters( 'wpinv_decimals', wpinv_get_option( 'decimals', 2 ) );
+    $decimals = apply_filters('wpinv_decimals', wpinv_get_option('decimals', 2));
     
-    return absint( $decimals );
+    return absint($decimals);
 }
 
 function wpinv_get_currencies() {
     $currencies = array(
-        'USD'  => __( 'US Dollars (&#36;)', 'invoicing' ),
-        'EUR'  => __( 'Euros (&euro;)', 'invoicing' ),
-        'GBP'  => __( 'Pounds Sterling (&pound;)', 'invoicing' ),
-        'AUD'  => __( 'Australian Dollars (&#36;)', 'invoicing' ),
-        'BRL'  => __( 'Brazilian Real (R&#36;)', 'invoicing' ),
-        'CAD'  => __( 'Canadian Dollars (&#36;)', 'invoicing' ),
-        'CLP'  => __( 'Chilean Peso (&#36;)', 'invoicing' ),
-        'CNY'  => __( 'Chinese Yuan (&yen;)', 'invoicing' ),
-        'CZK'  => __( 'Czech Koruna (&#75;&#269;)', 'invoicing' ),
-        'DKK'  => __( 'Danish Krone (DKK)', 'invoicing' ),
-        'HKD'  => __( 'Hong Kong Dollar (&#36;)', 'invoicing' ),
-        'HUF'  => __( 'Hungarian Forint (&#70;&#116;)', 'invoicing' ),
-        'INR'  => __( 'Indian Rupee (&#8377;)', 'invoicing' ),
-        'ILS'  => __( 'Israeli Shekel (&#8362;)', 'invoicing' ),
-        'JPY'  => __( 'Japanese Yen (&yen;)', 'invoicing' ),
-        'MYR'  => __( 'Malaysian Ringgit (&#82;&#77;)', 'invoicing' ),
-        'MXN'  => __( 'Mexican Peso (&#36;)', 'invoicing' ),
-        'NZD'  => __( 'New Zealand Dollar (&#36;)', 'invoicing' ),
-        'NOK'  => __( 'Norwegian Krone (&#107;&#114;)', 'invoicing' ),
-        'PHP'  => __( 'Philippine Peso (&#8369;)', 'invoicing' ),
-        'PLN'  => __( 'Polish Zloty (&#122;&#322;)', 'invoicing' ),
-        'SGD'  => __( 'Singapore Dollar (&#36;)', 'invoicing' ),
-        'SEK'  => __( 'Swedish Krona (&#107;&#114;)', 'invoicing' ),
-        'CHF'  => __( 'Swiss Franc (&#67;&#72;&#70;)', 'invoicing' ),
-        'TWD'  => __( 'Taiwan New Dollar (&#78;&#84;&#36;)', 'invoicing' ),
-        'THB'  => __( 'Thai Baht (&#3647;)', 'invoicing' ),
-        'TRY'  => __( 'Turkish Lira (&#8378;)', 'invoicing' ),
-        'RIAL' => __( 'Iranian Rial (&#65020;)', 'invoicing' ),
-        'RUB'  => __( 'Russian Ruble (&#8381;)', 'invoicing' ),
-        'ZAR'  => __( 'South African Rand (&#82;)', 'invoicing' )
+        'USD'  => __('US Dollars (&#36;)', 'invoicing'),
+        'EUR'  => __('Euros (&euro;)', 'invoicing'),
+        'GBP'  => __('Pounds Sterling (&pound;)', 'invoicing'),
+        'AUD'  => __('Australian Dollars (&#36;)', 'invoicing'),
+        'BRL'  => __('Brazilian Real (R&#36;)', 'invoicing'),
+        'CAD'  => __('Canadian Dollars (&#36;)', 'invoicing'),
+        'CLP'  => __('Chilean Peso (&#36;)', 'invoicing'),
+        'CNY'  => __('Chinese Yuan (&yen;)', 'invoicing'),
+        'CZK'  => __('Czech Koruna (&#75;&#269;)', 'invoicing'),
+        'DKK'  => __('Danish Krone (DKK)', 'invoicing'),
+        'HKD'  => __('Hong Kong Dollar (&#36;)', 'invoicing'),
+        'HUF'  => __('Hungarian Forint (&#70;&#116;)', 'invoicing'),
+        'INR'  => __('Indian Rupee (&#8377;)', 'invoicing'),
+        'ILS'  => __('Israeli Shekel (&#8362;)', 'invoicing'),
+        'JPY'  => __('Japanese Yen (&yen;)', 'invoicing'),
+        'MYR'  => __('Malaysian Ringgit (&#82;&#77;)', 'invoicing'),
+        'MXN'  => __('Mexican Peso (&#36;)', 'invoicing'),
+        'NZD'  => __('New Zealand Dollar (&#36;)', 'invoicing'),
+        'NOK'  => __('Norwegian Krone (&#107;&#114;)', 'invoicing'),
+        'PHP'  => __('Philippine Peso (&#8369;)', 'invoicing'),
+        'PLN'  => __('Polish Zloty (&#122;&#322;)', 'invoicing'),
+        'SGD'  => __('Singapore Dollar (&#36;)', 'invoicing'),
+        'SEK'  => __('Swedish Krona (&#107;&#114;)', 'invoicing'),
+        'CHF'  => __('Swiss Franc (&#67;&#72;&#70;)', 'invoicing'),
+        'TWD'  => __('Taiwan New Dollar (&#78;&#84;&#36;)', 'invoicing'),
+        'THB'  => __('Thai Baht (&#3647;)', 'invoicing'),
+        'TRY'  => __('Turkish Lira (&#8378;)', 'invoicing'),
+        'RIAL' => __('Iranian Rial (&#65020;)', 'invoicing'),
+        'RUB'  => __('Russian Ruble (&#8381;)', 'invoicing'),
+        'ZAR'  => __('South African Rand (&#82;)', 'invoicing')
     );
     
-    asort( $currencies );
+    asort($currencies);
 
-    return apply_filters( 'wpinv_currencies', $currencies );
+    return apply_filters('wpinv_currencies', $currencies);
 }
 
-function wpinv_price( $amount = '', $currency = '' ) {
-    if( empty( $currency ) ) {
+function wpinv_price($amount = '', $currency = '') {
+    if (empty($currency)) {
         $currency = wpinv_get_currency();
     }
 
@@ -259,14 +259,14 @@ 
 
     $negative = $amount < 0;
 
-    if ( $negative ) {
-        $amount = substr( $amount, 1 );
+    if ($negative) {
+        $amount = substr($amount, 1);
     }
 
-    $symbol = wpinv_currency_symbol( $currency );
+    $symbol = wpinv_currency_symbol($currency);
 
-    if ( $position == 'left' || $position == 'left_space' ) {
-        switch ( $currency ) {
+    if ($position == 'left' || $position == 'left_space') {
+        switch ($currency) {
             case "GBP" :
             case "BRL" :
             case "EUR" :
@@ -278,15 +278,15 @@ 
             case "NZD" :
             case "SGD" :
             case "JPY" :
-                $price = $position == 'left_space' ? $symbol . ' ' .  $amount : $symbol . $amount;
+                $price = $position == 'left_space' ? $symbol . ' ' . $amount : $symbol . $amount;
                 break;
             default :
                 //$price = $currency . ' ' . $amount;
-                $price = $position == 'left_space' ? $symbol . ' ' .  $amount : $symbol . $amount;
+                $price = $position == 'left_space' ? $symbol . ' ' . $amount : $symbol . $amount;
                 break;
         }
     } else {
-        switch ( $currency ) {
+        switch ($currency) {
             case "GBP" :
             case "BRL" :
             case "EUR" :
@@ -297,83 +297,83 @@ 
             case "MXN" :
             case "SGD" :
             case "JPY" :
-                $price = $position == 'right_space' ? $amount . ' ' .  $symbol : $amount . $symbol;
+                $price = $position == 'right_space' ? $amount . ' ' . $symbol : $amount . $symbol;
                 break;
             default :
                 //$price = $amount . ' ' . $currency;
-                $price = $position == 'right_space' ? $amount . ' ' .  $symbol : $amount . $symbol;
+                $price = $position == 'right_space' ? $amount . ' ' . $symbol : $amount . $symbol;
                 break;
         }
     }
     
-    if ( $negative ) {
+    if ($negative) {
         $price = '-' . $price;
     }
     
-    $price = apply_filters( 'wpinv_' . strtolower( $currency ) . '_currency_filter_' . $position, $price, $currency, $amount );
+    $price = apply_filters('wpinv_' . strtolower($currency) . '_currency_filter_' . $position, $price, $currency, $amount);
 
     return $price;
 }
 
-function wpinv_format_amount( $amount, $decimals = NULL, $calculate = false ) {
+function wpinv_format_amount($amount, $decimals = NULL, $calculate = false) {
     $thousands_sep = wpinv_thousands_separator();
     $decimal_sep   = wpinv_decimal_separator();
 
-    if ( $decimals === NULL ) {
+    if ($decimals === NULL) {
         $decimals = wpinv_decimals();
     }
 
-    if ( $decimal_sep == ',' && false !== ( $sep_found = strpos( $amount, $decimal_sep ) ) ) {
-        $whole = substr( $amount, 0, $sep_found );
-        $part = substr( $amount, $sep_found + 1, ( strlen( $amount ) - 1 ) );
+    if ($decimal_sep == ',' && false !== ($sep_found = strpos($amount, $decimal_sep))) {
+        $whole = substr($amount, 0, $sep_found);
+        $part = substr($amount, $sep_found + 1, (strlen($amount) - 1));
         $amount = $whole . '.' . $part;
     }
 
-    if ( $thousands_sep == ',' && false !== ( $found = strpos( $amount, $thousands_sep ) ) ) {
-        $amount = str_replace( ',', '', $amount );
+    if ($thousands_sep == ',' && false !== ($found = strpos($amount, $thousands_sep))) {
+        $amount = str_replace(',', '', $amount);
     }
 
-    if ( $thousands_sep == ' ' && false !== ( $found = strpos( $amount, $thousands_sep ) ) ) {
-        $amount = str_replace( ' ', '', $amount );
+    if ($thousands_sep == ' ' && false !== ($found = strpos($amount, $thousands_sep))) {
+        $amount = str_replace(' ', '', $amount);
     }
 
-    if ( empty( $amount ) ) {
+    if (empty($amount)) {
         $amount = 0;
     }
     
-    $decimals  = apply_filters( 'wpinv_amount_format_decimals', $decimals ? $decimals : 0, $amount, $calculate );
-    $formatted = number_format( (float)$amount, $decimals, $decimal_sep, $thousands_sep );
+    $decimals  = apply_filters('wpinv_amount_format_decimals', $decimals ? $decimals : 0, $amount, $calculate);
+    $formatted = number_format((float)$amount, $decimals, $decimal_sep, $thousands_sep);
     
-    if ( $calculate ) {
-        if ( $thousands_sep === "," ) {
-            $formatted = str_replace( ",", "", $formatted );
+    if ($calculate) {
+        if ($thousands_sep === ",") {
+            $formatted = str_replace(",", "", $formatted);
         }
         
-        if ( $decimal_sep === "," ) {
-            $formatted = str_replace( ",", ".", $formatted );
+        if ($decimal_sep === ",") {
+            $formatted = str_replace(",", ".", $formatted);
         }
     }
 
-    return apply_filters( 'wpinv_amount_format', $formatted, $amount, $decimals, $decimal_sep, $thousands_sep, $calculate );
+    return apply_filters('wpinv_amount_format', $formatted, $amount, $decimals, $decimal_sep, $thousands_sep, $calculate);
 }
-add_filter( 'wpinv_amount_format_decimals', 'wpinv_currency_decimal_filter', 10, 1 );
+add_filter('wpinv_amount_format_decimals', 'wpinv_currency_decimal_filter', 10, 1);
 
-function wpinv_sanitize_key( $key ) {
+function wpinv_sanitize_key($key) {
     $raw_key = $key;
-    $key = preg_replace( '/[^a-zA-Z0-9_\-\.\:\/]/', '', $key );
+    $key = preg_replace('/[^a-zA-Z0-9_\-\.\:\/]/', '', $key);
 
-    return apply_filters( 'wpinv_sanitize_key', $key, $raw_key );
+    return apply_filters('wpinv_sanitize_key', $key, $raw_key);
 }
 
-function wpinv_get_file_extension( $str ) {
-    $parts = explode( '.', $str );
-    return end( $parts );
+function wpinv_get_file_extension($str) {
+    $parts = explode('.', $str);
+    return end($parts);
 }
 
-function wpinv_string_is_image_url( $str ) {
-    $ext = wpinv_get_file_extension( $str );
+function wpinv_string_is_image_url($str) {
+    $ext = wpinv_get_file_extension($str);
 
-    switch ( strtolower( $ext ) ) {
+    switch (strtolower($ext)) {
         case 'jpeg';
         case 'jpg';
             $return = true;
@@ -389,32 +389,32 @@ 
             break;
     }
 
-    return (bool)apply_filters( 'wpinv_string_is_image', $return, $str );
+    return (bool)apply_filters('wpinv_string_is_image', $return, $str);
 }
 
-function wpinv_error_log( $log, $title = '', $file = '', $line = '', $exit = false ) {
-    $should_log = apply_filters( 'wpinv_log_errors', WP_DEBUG );
+function wpinv_error_log($log, $title = '', $file = '', $line = '', $exit = false) {
+    $should_log = apply_filters('wpinv_log_errors', WP_DEBUG);
     
-    if ( true === $should_log ) {
+    if (true === $should_log) {
         $label = '';
-        if ( $file && $file !== '' ) {
-            $label .= basename( $file ) . ( $line ? '(' . $line . ')' : '' );
+        if ($file && $file !== '') {
+            $label .= basename($file) . ($line ? '(' . $line . ')' : '');
         }
         
-        if ( $title && $title !== '' ) {
+        if ($title && $title !== '') {
             $label = $label !== '' ? $label . ' ' : '';
             $label .= $title . ' ';
         }
         
-        $label = $label !== '' ? trim( $label ) . ' : ' : '';
+        $label = $label !== '' ? trim($label) . ' : ' : '';
         
-        if ( is_array( $log ) || is_object( $log ) ) {
-            error_log( $label . print_r( $log, true ) );
+        if (is_array($log) || is_object($log)) {
+            error_log($label . print_r($log, true));
         } else {
-            error_log( $label . $log );
+            error_log($label . $log);
         }
         
-        if ( $exit ) {
+        if ($exit) {
             exit;
         }
     }
@@ -422,65 +422,65 @@ 
 
 function wpinv_is_ajax_disabled() {
     $retval = false;
-    return apply_filters( 'wpinv_is_ajax_disabled', $retval );
+    return apply_filters('wpinv_is_ajax_disabled', $retval);
 }
 
-function wpinv_get_current_page_url( $nocache = false ) {
+function wpinv_get_current_page_url($nocache = false) {
     global $wp;
 
-    if ( get_option( 'permalink_structure' ) ) {
-        $base = trailingslashit( home_url( $wp->request ) );
+    if (get_option('permalink_structure')) {
+        $base = trailingslashit(home_url($wp->request));
     } else {
-        $base = add_query_arg( $wp->query_string, '', trailingslashit( home_url( $wp->request ) ) );
-        $base = remove_query_arg( array( 'post_type', 'name' ), $base );
+        $base = add_query_arg($wp->query_string, '', trailingslashit(home_url($wp->request)));
+        $base = remove_query_arg(array('post_type', 'name'), $base);
     }
 
     $scheme = is_ssl() ? 'https' : 'http';
-    $uri    = set_url_scheme( $base, $scheme );
+    $uri    = set_url_scheme($base, $scheme);
 
-    if ( is_front_page() ) {
-        $uri = home_url( '/' );
-    } elseif ( wpinv_is_checkout( array(), false ) ) {
+    if (is_front_page()) {
+        $uri = home_url('/');
+    } elseif (wpinv_is_checkout(array(), false)) {
         $uri = wpinv_get_checkout_uri();
     }
 
-    $uri = apply_filters( 'wpinv_get_current_page_url', $uri );
+    $uri = apply_filters('wpinv_get_current_page_url', $uri);
 
-    if ( $nocache ) {
-        $uri = wpinv_add_cache_busting( $uri );
+    if ($nocache) {
+        $uri = wpinv_add_cache_busting($uri);
     }
 
     return $uri;
 }
 
 function wpinv_get_php_arg_separator_output() {
-	return ini_get( 'arg_separator.output' );
+	return ini_get('arg_separator.output');
 }
 
-function wpinv_rgb_from_hex( $color ) {
-    $color = str_replace( '#', '', $color );
+function wpinv_rgb_from_hex($color) {
+    $color = str_replace('#', '', $color);
     // Convert shorthand colors to full format, e.g. "FFF" -> "FFFFFF"
-    $color = preg_replace( '~^(.)(.)(.)$~', '$1$1$2$2$3$3', $color );
+    $color = preg_replace('~^(.)(.)(.)$~', '$1$1$2$2$3$3', $color);
 
     $rgb      = array();
-    $rgb['R'] = hexdec( $color{0}.$color{1} );
-    $rgb['G'] = hexdec( $color{2}.$color{3} );
-    $rgb['B'] = hexdec( $color{4}.$color{5} );
+    $rgb['R'] = hexdec($color{0} . $color{1} );
+    $rgb['G'] = hexdec($color{2} . $color{3} );
+    $rgb['B'] = hexdec($color{4} . $color{5} );
 
     return $rgb;
 }
 
-function wpinv_hex_darker( $color, $factor = 30 ) {
-    $base  = wpinv_rgb_from_hex( $color );
+function wpinv_hex_darker($color, $factor = 30) {
+    $base  = wpinv_rgb_from_hex($color);
     $color = '#';
 
-    foreach ( $base as $k => $v ) {
+    foreach ($base as $k => $v) {
         $amount      = $v / 100;
-        $amount      = round( $amount * $factor );
+        $amount      = round($amount * $factor);
         $new_decimal = $v - $amount;
 
-        $new_hex_component = dechex( $new_decimal );
-        if ( strlen( $new_hex_component ) < 2 ) {
+        $new_hex_component = dechex($new_decimal);
+        if (strlen($new_hex_component) < 2) {
             $new_hex_component = "0" . $new_hex_component;
         }
         $color .= $new_hex_component;
@@ -489,18 +489,18 @@ 
     return $color;
 }
 
-function wpinv_hex_lighter( $color, $factor = 30 ) {
-    $base  = wpinv_rgb_from_hex( $color );
+function wpinv_hex_lighter($color, $factor = 30) {
+    $base  = wpinv_rgb_from_hex($color);
     $color = '#';
 
-    foreach ( $base as $k => $v ) {
+    foreach ($base as $k => $v) {
         $amount      = 255 - $v;
         $amount      = $amount / 100;
-        $amount      = round( $amount * $factor );
+        $amount      = round($amount * $factor);
         $new_decimal = $v + $amount;
 
-        $new_hex_component = dechex( $new_decimal );
-        if ( strlen( $new_hex_component ) < 2 ) {
+        $new_hex_component = dechex($new_decimal);
+        if (strlen($new_hex_component) < 2) {
             $new_hex_component = "0" . $new_hex_component;
         }
         $color .= $new_hex_component;
@@ -509,22 +509,22 @@ 
     return $color;
 }
 
-function wpinv_light_or_dark( $color, $dark = '#000000', $light = '#FFFFFF' ) {
-    $hex = str_replace( '#', '', $color );
+function wpinv_light_or_dark($color, $dark = '#000000', $light = '#FFFFFF') {
+    $hex = str_replace('#', '', $color);
 
-    $c_r = hexdec( substr( $hex, 0, 2 ) );
-    $c_g = hexdec( substr( $hex, 2, 2 ) );
-    $c_b = hexdec( substr( $hex, 4, 2 ) );
+    $c_r = hexdec(substr($hex, 0, 2));
+    $c_g = hexdec(substr($hex, 2, 2));
+    $c_b = hexdec(substr($hex, 4, 2));
 
-    $brightness = ( ( $c_r * 299 ) + ( $c_g * 587 ) + ( $c_b * 114 ) ) / 1000;
+    $brightness = (($c_r * 299) + ($c_g * 587) + ($c_b * 114)) / 1000;
 
     return $brightness > 155 ? $dark : $light;
 }
 
-function wpinv_format_hex( $hex ) {
-    $hex = trim( str_replace( '#', '', $hex ) );
+function wpinv_format_hex($hex) {
+    $hex = trim(str_replace('#', '', $hex));
 
-    if ( strlen( $hex ) == 3 ) {
+    if (strlen($hex) == 3) {
         $hex = $hex[0] . $hex[0] . $hex[1] . $hex[1] . $hex[2] . $hex[2];
     }
 
@@ -544,12 +544,12 @@ 
  * @param string $encoding The encoding parameter is the character encoding. Default "UTF-8".
  * @return string
  */
-function wpinv_utf8_strimwidth( $str, $start, $width, $trimmaker = '', $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_strimwidth' ) ) {
-        return mb_strimwidth( $str, $start, $width, $trimmaker, $encoding );
+function wpinv_utf8_strimwidth($str, $start, $width, $trimmaker = '', $encoding = 'UTF-8') {
+    if (function_exists('mb_strimwidth')) {
+        return mb_strimwidth($str, $start, $width, $trimmaker, $encoding);
     }
     
-    return wpinv_utf8_substr( $str, $start, $width, $encoding ) . $trimmaker;
+    return wpinv_utf8_substr($str, $start, $width, $encoding) . $trimmaker;
 }
 
 /**
@@ -561,28 +561,28 @@ 
  * @param string $encoding The encoding parameter is the character encoding. Default "UTF-8".
  * @return int Returns the number of characters in string.
  */
-function wpinv_utf8_strlen( $str, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_strlen' ) ) {
-        return mb_strlen( $str, $encoding );
+function wpinv_utf8_strlen($str, $encoding = 'UTF-8') {
+    if (function_exists('mb_strlen')) {
+        return mb_strlen($str, $encoding);
     }
         
-    return strlen( $str );
+    return strlen($str);
 }
 
-function wpinv_utf8_strtolower( $str, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_strtolower' ) ) {
-        return mb_strtolower( $str, $encoding );
+function wpinv_utf8_strtolower($str, $encoding = 'UTF-8') {
+    if (function_exists('mb_strtolower')) {
+        return mb_strtolower($str, $encoding);
     }
     
-    return strtolower( $str );
+    return strtolower($str);
 }
 
-function wpinv_utf8_strtoupper( $str, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_strtoupper' ) ) {
-        return mb_strtoupper( $str, $encoding );
+function wpinv_utf8_strtoupper($str, $encoding = 'UTF-8') {
+    if (function_exists('mb_strtoupper')) {
+        return mb_strtoupper($str, $encoding);
     }
     
-    return strtoupper( $str );
+    return strtoupper($str);
 }
 
 /**
@@ -596,12 +596,12 @@ 
  * @param string $encoding The encoding parameter is the character encoding. Default "UTF-8".
  * @return int Returns the position of the first occurrence of search in the string.
  */
-function wpinv_utf8_strpos( $str, $find, $offset = 0, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_strpos' ) ) {
-        return mb_strpos( $str, $find, $offset, $encoding );
+function wpinv_utf8_strpos($str, $find, $offset = 0, $encoding = 'UTF-8') {
+    if (function_exists('mb_strpos')) {
+        return mb_strpos($str, $find, $offset, $encoding);
     }
         
-    return strpos( $str, $find, $offset );
+    return strpos($str, $find, $offset);
 }
 
 /**
@@ -615,12 +615,12 @@ 
  * @param string $encoding The encoding parameter is the character encoding. Default "UTF-8".
  * @return int Returns the position of the last occurrence of search.
  */
-function wpinv_utf8_strrpos( $str, $find, $offset = 0, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_strrpos' ) ) {
-        return mb_strrpos( $str, $find, $offset, $encoding );
+function wpinv_utf8_strrpos($str, $find, $offset = 0, $encoding = 'UTF-8') {
+    if (function_exists('mb_strrpos')) {
+        return mb_strrpos($str, $find, $offset, $encoding);
     }
         
-    return strrpos( $str, $find, $offset );
+    return strrpos($str, $find, $offset);
 }
 
 /**
@@ -635,16 +635,16 @@ 
  * @param string $encoding The encoding parameter is the character encoding. Default "UTF-8".
  * @return string
  */
-function wpinv_utf8_substr( $str, $start, $length = null, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_substr' ) ) {
-        if ( $length === null ) {
-            return mb_substr( $str, $start, wpinv_utf8_strlen( $str, $encoding ), $encoding );
+function wpinv_utf8_substr($str, $start, $length = null, $encoding = 'UTF-8') {
+    if (function_exists('mb_substr')) {
+        if ($length === null) {
+            return mb_substr($str, $start, wpinv_utf8_strlen($str, $encoding), $encoding);
         } else {
-            return mb_substr( $str, $start, $length, $encoding );
+            return mb_substr($str, $start, $length, $encoding);
         }
     }
         
-    return substr( $str, $start, $length );
+    return substr($str, $start, $length);
 }
 
 /**
@@ -656,48 +656,48 @@ 
  * @param string $encoding The encoding parameter is the character encoding. Default "UTF-8".
  * @return string The width of string.
  */
-function wpinv_utf8_strwidth( $str, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_strwidth' ) ) {
-        return mb_strwidth( $str, $encoding );
+function wpinv_utf8_strwidth($str, $encoding = 'UTF-8') {
+    if (function_exists('mb_strwidth')) {
+        return mb_strwidth($str, $encoding);
     }
     
-    return wpinv_utf8_strlen( $str, $encoding );
+    return wpinv_utf8_strlen($str, $encoding);
 }
 
-function wpinv_utf8_ucfirst( $str, $lower_str_end = false, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_strlen' ) ) {
-        $first_letter = wpinv_utf8_strtoupper( wpinv_utf8_substr( $str, 0, 1, $encoding ), $encoding );
+function wpinv_utf8_ucfirst($str, $lower_str_end = false, $encoding = 'UTF-8') {
+    if (function_exists('mb_strlen')) {
+        $first_letter = wpinv_utf8_strtoupper(wpinv_utf8_substr($str, 0, 1, $encoding), $encoding);
         $str_end = "";
         
-        if ( $lower_str_end ) {
-            $str_end = wpinv_utf8_strtolower( wpinv_utf8_substr( $str, 1, wpinv_utf8_strlen( $str, $encoding ), $encoding ), $encoding );
+        if ($lower_str_end) {
+            $str_end = wpinv_utf8_strtolower(wpinv_utf8_substr($str, 1, wpinv_utf8_strlen($str, $encoding), $encoding), $encoding);
         } else {
-            $str_end = wpinv_utf8_substr( $str, 1, wpinv_utf8_strlen( $str, $encoding ), $encoding );
+            $str_end = wpinv_utf8_substr($str, 1, wpinv_utf8_strlen($str, $encoding), $encoding);
         }
 
         return $first_letter . $str_end;
     }
     
-    return ucfirst( $str );
+    return ucfirst($str);
 }
 
-function wpinv_utf8_ucwords( $str, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_convert_case' ) ) {
-        return mb_convert_case( $str, MB_CASE_TITLE, $encoding );
+function wpinv_utf8_ucwords($str, $encoding = 'UTF-8') {
+    if (function_exists('mb_convert_case')) {
+        return mb_convert_case($str, MB_CASE_TITLE, $encoding);
     }
     
-    return ucwords( $str );
+    return ucwords($str);
 }
 
-function wpinv_period_in_days( $period, $unit ) {
-    $period = absint( $period );
+function wpinv_period_in_days($period, $unit) {
+    $period = absint($period);
     
-    if ( $period > 0 ) {
-        if ( in_array( strtolower( $unit ), array( 'w', 'week', 'weeks' ) ) ) {
+    if ($period > 0) {
+        if (in_array(strtolower($unit), array('w', 'week', 'weeks'))) {
             $period = $period * 7;
-        } else if ( in_array( strtolower( $unit ), array( 'm', 'month', 'months' ) ) ) {
+        } else if (in_array(strtolower($unit), array('m', 'month', 'months'))) {
             $period = $period * 30;
-        } else if ( in_array( strtolower( $unit ), array( 'y', 'year', 'years' ) ) ) {
+        } else if (in_array(strtolower($unit), array('y', 'year', 'years'))) {
             $period = $period * 365;
         }
     }

includes/class-wpinv-ajax.php

Spacing +191 added lines, -191 removed lines

@@ -7,28 +7,28 @@ 
  */
  
 // MUST have WordPress.
-if ( !defined( 'WPINC' ) ) {
-    exit( 'Do NOT access this file directly: ' . basename( __FILE__ ) );
+if (!defined('WPINC')) {
+    exit('Do NOT access this file directly: ' . basename(__FILE__));
 }
 
 class WPInv_Ajax {
     public static function init() {
-        add_action( 'init', array( __CLASS__, 'define_ajax' ), 0 );
-        add_action( 'template_redirect', array( __CLASS__, 'do_wpinv_ajax' ), 0 );
+        add_action('init', array(__CLASS__, 'define_ajax'), 0);
+        add_action('template_redirect', array(__CLASS__, 'do_wpinv_ajax'), 0);
         self::add_ajax_events();
     }
 
     public static function define_ajax() {
-        if ( !empty( $_GET['wpinv-ajax'] ) ) {
-            if ( ! defined( 'DOING_AJAX' ) ) {
-                define( 'DOING_AJAX', true );
+        if (!empty($_GET['wpinv-ajax'])) {
+            if (!defined('DOING_AJAX')) {
+                define('DOING_AJAX', true);
             }
-            if ( ! defined( 'WC_DOING_AJAX' ) ) {
-                define( 'WC_DOING_AJAX', true );
+            if (!defined('WC_DOING_AJAX')) {
+                define('WC_DOING_AJAX', true);
             }
             // Turn off display_errors during AJAX events to prevent malformed JSON
-            if ( ! WP_DEBUG || ( WP_DEBUG && ! WP_DEBUG_DISPLAY ) ) {
-                @ini_set( 'display_errors', 0 );
+            if (!WP_DEBUG || (WP_DEBUG && !WP_DEBUG_DISPLAY)) {
+                @ini_set('display_errors', 0);
             }
             $GLOBALS['wpdb']->hide_errors();
         }
@@ -37,24 +37,24 @@ 
     public static function do_wpinv_ajax() {
         global $wp_query;
 
-        if ( !empty( $_GET['wpinv-ajax'] ) ) {
-            $wp_query->set( 'wpinv-ajax', sanitize_text_field( $_GET['wpinv-ajax'] ) );
+        if (!empty($_GET['wpinv-ajax'])) {
+            $wp_query->set('wpinv-ajax', sanitize_text_field($_GET['wpinv-ajax']));
         }
 
-        if ( $action = $wp_query->get( 'wpinv-ajax' ) ) {
+        if ($action = $wp_query->get('wpinv-ajax')) {
             self::wpinv_ajax_headers();
-            do_action( 'wpinv_ajax_' . sanitize_text_field( $action ) );
+            do_action('wpinv_ajax_' . sanitize_text_field($action));
             die();
         }
     }
     
     private static function wpinv_ajax_headers() {
         send_origin_headers();
-        @header( 'Content-Type: text/html; charset=' . get_option( 'blog_charset' ) );
-        @header( 'X-Robots-Tag: noindex' );
+        @header('Content-Type: text/html; charset=' . get_option('blog_charset'));
+        @header('X-Robots-Tag: noindex');
         send_nosniff_header();
         nocache_headers();
-        status_header( 200 );
+        status_header(200);
     }
     
     public static function add_ajax_events() {
@@ -76,39 +76,39 @@ 
             'remove_discount' => false,
         );
 
-        foreach ( $ajax_events as $ajax_event => $nopriv ) {
-            add_action( 'wp_ajax_wpinv_' . $ajax_event, array( __CLASS__, $ajax_event ) );
+        foreach ($ajax_events as $ajax_event => $nopriv) {
+            add_action('wp_ajax_wpinv_' . $ajax_event, array(__CLASS__, $ajax_event));
             
-            if ( !defined( 'WPI_AJAX_' . strtoupper( $nopriv ) ) ) {
-                define( 'WPI_AJAX_' . strtoupper( $nopriv ), 1 );
+            if (!defined('WPI_AJAX_' . strtoupper($nopriv))) {
+                define('WPI_AJAX_' . strtoupper($nopriv), 1);
             }
 
-            if ( $nopriv ) {
-                add_action( 'wp_ajax_nopriv_wpinv_' . $ajax_event, array( __CLASS__, $ajax_event ) );
+            if ($nopriv) {
+                add_action('wp_ajax_nopriv_wpinv_' . $ajax_event, array(__CLASS__, $ajax_event));
 
-                add_action( 'wpinv_ajax_' . $ajax_event, array( __CLASS__, $ajax_event ) );
+                add_action('wpinv_ajax_' . $ajax_event, array(__CLASS__, $ajax_event));
             }
         }
     }
     
     public static function add_note() {
-        check_ajax_referer( 'add-invoice-note', '_nonce' );
+        check_ajax_referer('add-invoice-note', '_nonce');
 
-        if ( !current_user_can( 'manage_options' ) ) {
+        if (!current_user_can('manage_options')) {
             die(-1);
         }
 
-        $post_id   = absint( $_POST['post_id'] );
-        $note      = wp_kses_post( trim( stripslashes( $_POST['note'] ) ) );
-        $note_type = sanitize_text_field( $_POST['note_type'] );
+        $post_id   = absint($_POST['post_id']);
+        $note      = wp_kses_post(trim(stripslashes($_POST['note'])));
+        $note_type = sanitize_text_field($_POST['note_type']);
 
         $is_customer_note = $note_type == 'customer' ? 1 : 0;
 
-        if ( $post_id > 0 ) {
-            $note_id = wpinv_insert_payment_note( $post_id, $note, $is_customer_note );
+        if ($post_id > 0) {
+            $note_id = wpinv_insert_payment_note($post_id, $note, $is_customer_note);
 
-            if ( $note_id > 0 && !is_wp_error( $note_id ) ) {
-                wpinv_get_invoice_note_line_item( $note_id );
+            if ($note_id > 0 && !is_wp_error($note_id)) {
+                wpinv_get_invoice_note_line_item($note_id);
             }
         }
 
@@ -116,16 +116,16 @@ 
     }
 
     public static function delete_note() {
-        check_ajax_referer( 'delete-invoice-note', '_nonce' );
+        check_ajax_referer('delete-invoice-note', '_nonce');
 
-        if ( !current_user_can( 'manage_options' ) ) {
+        if (!current_user_can('manage_options')) {
             die(-1);
         }
 
         $note_id = (int)$_POST['note_id'];
 
-        if ( $note_id > 0 ) {
-            wp_delete_comment( $note_id, true );
+        if ($note_id > 0) {
+            wp_delete_comment($note_id, true);
         }
 
         die();
@@ -138,8 +138,8 @@ 
     }
     
     public static function checkout() {
-        if ( ! defined( 'WPINV_CHECKOUT' ) ) {
-            define( 'WPINV_CHECKOUT', true );
+        if (!defined('WPINV_CHECKOUT')) {
+            define('WPINV_CHECKOUT', true);
         }
 
         wpinv_process_checkout();
@@ -148,53 +148,53 @@ 
     
     public static function add_invoice_item() {
         global $wpi_userID, $wpinv_ip_address_country;
-        check_ajax_referer( 'invoice-item', '_nonce' );
-        if ( !current_user_can( 'manage_options' ) ) {
+        check_ajax_referer('invoice-item', '_nonce');
+        if (!current_user_can('manage_options')) {
             die(-1);
         }
         
-        $item_id    = sanitize_text_field( $_POST['item_id'] );
-        $invoice_id = absint( $_POST['invoice_id'] );
+        $item_id    = sanitize_text_field($_POST['item_id']);
+        $invoice_id = absint($_POST['invoice_id']);
         
-        if ( !is_numeric( $invoice_id ) || !is_numeric( $item_id ) ) {
+        if (!is_numeric($invoice_id) || !is_numeric($item_id)) {
             die();
         }
         
-        $invoice    = wpinv_get_invoice( $invoice_id );
-        if ( empty( $invoice ) ) {
+        $invoice = wpinv_get_invoice($invoice_id);
+        if (empty($invoice)) {
             die();
         }
         
-        if ( $invoice->is_paid() ) {
+        if ($invoice->is_paid()) {
             die(); // Don't allow modify items for paid invoice.
         }
         
-        if ( !empty( $_POST['user_id'] ) ) {
-            $wpi_userID = absint( $_POST['user_id'] ); 
+        if (!empty($_POST['user_id'])) {
+            $wpi_userID = absint($_POST['user_id']); 
         }
 
-        $item = new WPInv_Item( $item_id );
-        if ( !( !empty( $item ) && $item->post_type == 'wpi_item' ) ) {
+        $item = new WPInv_Item($item_id);
+        if (!(!empty($item) && $item->post_type == 'wpi_item')) {
             die();
         }
         
         // Validate item before adding to invoice because recurring item must be paid individually.
-        if ( !empty( $invoice->cart_details ) ) {
+        if (!empty($invoice->cart_details)) {
             $valid = true;
             
-            if ( $recurring_item = $invoice->get_recurring() ) {
-                if ( $recurring_item != $item_id ) {
+            if ($recurring_item = $invoice->get_recurring()) {
+                if ($recurring_item != $item_id) {
                     $valid = false;
                 }
-            } else if ( wpinv_is_recurring_item( $item_id ) ) {
+            } else if (wpinv_is_recurring_item($item_id)) {
                 $valid = false;
             }
             
-            if ( !$valid ) {
+            if (!$valid) {
                 $response               = array();
                 $response['success']    = false;
-                $response['msg']        = __( 'You can not add item to invoice because recurring item must be paid individually!', 'invoicing' );
-                wp_send_json( $response );
+                $response['msg']        = __('You can not add item to invoice because recurring item must be paid individually!', 'invoicing');
+                wp_send_json($response);
             }
         }
         
@@ -202,9 +202,9 @@ 
         
         $data                   = array();
         $data['invoice_id']     = $invoice_id;
-        $data['cart_discounts'] = $invoice->get_discounts( true );
+        $data['cart_discounts'] = $invoice->get_discounts(true);
         
-        wpinv_set_checkout_session( $data );
+        wpinv_set_checkout_session($data);
         
         $quantity = wpinv_item_quantities_enabled() && !empty($_POST['qty']) && (int)$_POST['qty'] > 0 ? (int)$_POST['qty'] : 1;
 
@@ -219,21 +219,21 @@ 
             'fees'          => array()
         );
 
-        $invoice->add_item( $item_id, $args );
+        $invoice->add_item($item_id, $args);
         $invoice->save();
         
-        if ( empty( $_POST['country'] ) ) {
+        if (empty($_POST['country'])) {
             $_POST['country'] = !empty($invoice->country) ? $invoice->country : wpinv_get_default_country();
         }
-        if ( empty( $_POST['state'] ) ) {
+        if (empty($_POST['state'])) {
             $_POST['state'] = $invoice->state;
         }
          
-        $invoice->country   = sanitize_text_field( $_POST['country'] );
-        $invoice->state     = sanitize_text_field( $_POST['state'] );
+        $invoice->country   = sanitize_text_field($_POST['country']);
+        $invoice->state     = sanitize_text_field($_POST['state']);
         
-        $invoice->set( 'country', sanitize_text_field( $_POST['country'] ) );
-        $invoice->set( 'state', sanitize_text_field( $_POST['state'] ) );
+        $invoice->set('country', sanitize_text_field($_POST['country']));
+        $invoice->set('state', sanitize_text_field($_POST['state']));
         
         $wpinv_ip_address_country = $invoice->country;
 
@@ -241,7 +241,7 @@ 
         
         $response                       = array();
         $response['success']            = true;
-        $response['data']['items']      = wpinv_admin_get_line_items( $invoice );
+        $response['data']['items']      = wpinv_admin_get_line_items($invoice);
         $response['data']['subtotal']   = $invoice->get_subtotal();
         $response['data']['subtotalf']  = $invoice->get_subtotal(true);
         $response['data']['tax']        = $invoice->get_tax();
@@ -253,40 +253,40 @@ 
         
         wpinv_set_checkout_session($checkout_session);
         
-        wp_send_json( $response );
+        wp_send_json($response);
     }
     
     public static function remove_invoice_item() {
         global $wpi_userID, $wpinv_ip_address_country;
         
-        check_ajax_referer( 'invoice-item', '_nonce' );
-        if ( !current_user_can( 'manage_options' ) ) {
+        check_ajax_referer('invoice-item', '_nonce');
+        if (!current_user_can('manage_options')) {
             die(-1);
         }
         
-        $item_id    = sanitize_text_field( $_POST['item_id'] );
-        $invoice_id = absint( $_POST['invoice_id'] );
-        $cart_index = isset( $_POST['index'] ) && $_POST['index'] >= 0 ? $_POST['index'] : false;
+        $item_id    = sanitize_text_field($_POST['item_id']);
+        $invoice_id = absint($_POST['invoice_id']);
+        $cart_index = isset($_POST['index']) && $_POST['index'] >= 0 ? $_POST['index'] : false;
         
-        if ( !is_numeric( $invoice_id ) || !is_numeric( $item_id ) ) {
+        if (!is_numeric($invoice_id) || !is_numeric($item_id)) {
             die();
         }
 
-        $invoice    = wpinv_get_invoice( $invoice_id );
-        if ( empty( $invoice ) ) {
+        $invoice = wpinv_get_invoice($invoice_id);
+        if (empty($invoice)) {
             die();
         }
         
-        if ( $invoice->is_paid() ) {
+        if ($invoice->is_paid()) {
             die(); // Don't allow modify items for paid invoice.
         }
         
-        if ( !empty( $_POST['user_id'] ) ) {
-            $wpi_userID = absint( $_POST['user_id'] ); 
+        if (!empty($_POST['user_id'])) {
+            $wpi_userID = absint($_POST['user_id']); 
         }
 
-        $item       = new WPInv_Item( $item_id );
-        if ( !( !empty( $item ) && $item->post_type == 'wpi_item' ) ) {
+        $item = new WPInv_Item($item_id);
+        if (!(!empty($item) && $item->post_type == 'wpi_item')) {
             die();
         }
         
@@ -294,9 +294,9 @@ 
         
         $data                   = array();
         $data['invoice_id']     = $invoice_id;
-        $data['cart_discounts'] = $invoice->get_discounts( true );
+        $data['cart_discounts'] = $invoice->get_discounts(true);
         
-        wpinv_set_checkout_session( $data );
+        wpinv_set_checkout_session($data);
 
         $args = array(
             'id'         => $item_id,
@@ -304,21 +304,21 @@ 
             'cart_index' => $cart_index
         );
 
-        $invoice->remove_item( $item_id, $args );
+        $invoice->remove_item($item_id, $args);
         $invoice->save();
         
-        if ( empty( $_POST['country'] ) ) {
+        if (empty($_POST['country'])) {
             $_POST['country'] = !empty($invoice->country) ? $invoice->country : wpinv_get_default_country();
         }
-        if ( empty( $_POST['state'] ) ) {
+        if (empty($_POST['state'])) {
             $_POST['state'] = $invoice->state;
         }
          
-        $invoice->country   = sanitize_text_field( $_POST['country'] );
-        $invoice->state     = sanitize_text_field( $_POST['state'] );
+        $invoice->country   = sanitize_text_field($_POST['country']);
+        $invoice->state     = sanitize_text_field($_POST['state']);
         
-        $invoice->set( 'country', sanitize_text_field( $_POST['country'] ) );
-        $invoice->set( 'state', sanitize_text_field( $_POST['state'] ) );
+        $invoice->set('country', sanitize_text_field($_POST['country']));
+        $invoice->set('state', sanitize_text_field($_POST['state']));
         
         $wpinv_ip_address_country = $invoice->country;
         
@@ -326,7 +326,7 @@ 
         
         $response                       = array();
         $response['success']            = true;
-        $response['data']['items']      = wpinv_admin_get_line_items( $invoice );
+        $response['data']['items']      = wpinv_admin_get_line_items($invoice);
         $response['data']['subtotal']   = $invoice->get_subtotal();
         $response['data']['subtotalf']  = $invoice->get_subtotal(true);
         $response['data']['tax']        = $invoice->get_tax();
@@ -338,40 +338,40 @@ 
         
         wpinv_set_checkout_session($checkout_session);
         
-        wp_send_json( $response );
+        wp_send_json($response);
     }
     
     public static function create_invoice_item() {
-        check_ajax_referer( 'invoice-item', '_nonce' );
-        if ( !current_user_can( 'manage_options' ) ) {
+        check_ajax_referer('invoice-item', '_nonce');
+        if (!current_user_can('manage_options')) {
             die(-1);
         }
         
-        $invoice_id = absint( $_POST['invoice_id'] );
+        $invoice_id = absint($_POST['invoice_id']);
 
         // Find the item
-        if ( !is_numeric( $invoice_id ) ) {
+        if (!is_numeric($invoice_id)) {
             die();
         }        
         
-        $invoice     = wpinv_get_invoice( $invoice_id );
-        if ( empty( $invoice ) ) {
+        $invoice = wpinv_get_invoice($invoice_id);
+        if (empty($invoice)) {
             die();
         }
         
         // Validate item before adding to invoice because recurring item must be paid individually.
-        if ( !empty( $invoice->cart_details ) && $invoice->get_recurring() ) {
+        if (!empty($invoice->cart_details) && $invoice->get_recurring()) {
             $response               = array();
             $response['success']    = false;
-            $response['msg']        = __( 'You can not add item to invoice because recurring item must be paid individually!', 'invoicing' );
-            wp_send_json( $response );
+            $response['msg']        = __('You can not add item to invoice because recurring item must be paid individually!', 'invoicing');
+            wp_send_json($response);
         }        
         
         $save_item = $_POST['_wpinv_quick'];
         
         $meta               = array();
         $meta['type']       = !empty($save_item['type']) ? sanitize_text_field($save_item['type']) : 'custom';
-        $meta['price']      = !empty($save_item['price']) ? wpinv_sanitize_amount( $save_item['price'] ) : 0;
+        $meta['price']      = !empty($save_item['price']) ? wpinv_sanitize_amount($save_item['price']) : 0;
         $meta['vat_rule']   = !empty($save_item['vat_rule']) ? sanitize_text_field($save_item['vat_rule']) : 'digital';
         $meta['vat_class']  = !empty($save_item['vat_class']) ? sanitize_text_field($save_item['vat_class']) : '_standard';
         
@@ -381,9 +381,9 @@ 
         $data['meta']           = $meta;
         
         $item = new WPInv_Item();
-        $item->create( $data );
+        $item->create($data);
         
-        if ( !empty( $item ) ) {
+        if (!empty($item)) {
             $_POST['item_id']   = $item->ID;
             $_POST['qty']       = !empty($save_item['qty']) && $save_item['qty'] > 0 ? (int)$save_item['qty'] : 1;
             
@@ -393,15 +393,15 @@ 
     }
     
     public static function get_billing_details() {
-        check_ajax_referer( 'get-billing-details', '_nonce' );
+        check_ajax_referer('get-billing-details', '_nonce');
         
-        if ( !current_user_can( 'manage_options' ) ) {
+        if (!current_user_can('manage_options')) {
             die(-1);
         }
 
         $user_id            = (int)$_POST['user_id'];
         $billing_details    = wpinv_get_user_address($user_id);
-        $billing_details    = apply_filters( 'wpinv_fill_billing_details', $billing_details, $user_id );
+        $billing_details    = apply_filters('wpinv_fill_billing_details', $billing_details, $user_id);
         
         if (isset($billing_details['user_id'])) {
             unset($billing_details['user_id']);
@@ -415,20 +415,20 @@ 
         $response['success']                    = true;
         $response['data']['billing_details']    = $billing_details;
         
-        wp_send_json( $response );
+        wp_send_json($response);
     }
     
     public static function admin_recalculate_totals() {
         global $wpi_userID, $wpinv_ip_address_country;
         
-        check_ajax_referer( 'wpinv-nonce', '_nonce' );
-        if ( !current_user_can( 'manage_options' ) ) {
+        check_ajax_referer('wpinv-nonce', '_nonce');
+        if (!current_user_can('manage_options')) {
             die(-1);
         }
         
-        $invoice_id = absint( $_POST['invoice_id'] );        
-        $invoice    = wpinv_get_invoice( $invoice_id );
-        if ( empty( $invoice ) ) {
+        $invoice_id = absint($_POST['invoice_id']);        
+        $invoice    = wpinv_get_invoice($invoice_id);
+        if (empty($invoice)) {
             die();
         }
         
@@ -436,23 +436,23 @@ 
         
         $data                   = array();
         $data['invoice_id']     = $invoice_id;
-        $data['cart_discounts'] = $invoice->get_discounts( true );
+        $data['cart_discounts'] = $invoice->get_discounts(true);
         
-        wpinv_set_checkout_session( $data );
+        wpinv_set_checkout_session($data);
         
-        if ( !empty( $_POST['user_id'] ) ) {
-            $wpi_userID = absint( $_POST['user_id'] ); 
+        if (!empty($_POST['user_id'])) {
+            $wpi_userID = absint($_POST['user_id']); 
         }
         
-        if ( empty( $_POST['country'] ) ) {
+        if (empty($_POST['country'])) {
             $_POST['country'] = !empty($invoice->country) ? $invoice->country : wpinv_get_default_country();
         }
             
-        $invoice->country = sanitize_text_field( $_POST['country'] );
-        $invoice->set( 'country', sanitize_text_field( $_POST['country'] ) );
-        if ( isset( $_POST['state'] ) ) {
-            $invoice->state = sanitize_text_field( $_POST['state'] );
-            $invoice->set( 'state', sanitize_text_field( $_POST['state'] ) );
+        $invoice->country = sanitize_text_field($_POST['country']);
+        $invoice->set('country', sanitize_text_field($_POST['country']));
+        if (isset($_POST['state'])) {
+            $invoice->state = sanitize_text_field($_POST['state']);
+            $invoice->set('state', sanitize_text_field($_POST['state']));
         }
         
         $wpinv_ip_address_country = $invoice->country;
@@ -461,7 +461,7 @@ 
         
         $response                       = array();
         $response['success']            = true;
-        $response['data']['items']      = wpinv_admin_get_line_items( $invoice );
+        $response['data']['items']      = wpinv_admin_get_line_items($invoice);
         $response['data']['subtotal']   = $invoice->get_subtotal();
         $response['data']['subtotalf']  = $invoice->get_subtotal(true);
         $response['data']['tax']        = $invoice->get_tax();
@@ -473,25 +473,25 @@ 
         
         wpinv_set_checkout_session($checkout_session);
         
-        wp_send_json( $response );
+        wp_send_json($response);
     }
     
     public static function admin_apply_discount() {
         global $wpi_userID;
         
-        check_ajax_referer( 'wpinv-nonce', '_nonce' );
-        if ( !current_user_can( 'manage_options' ) ) {
+        check_ajax_referer('wpinv-nonce', '_nonce');
+        if (!current_user_can('manage_options')) {
             die(-1);
         }
         
-        $invoice_id = absint( $_POST['invoice_id'] );
-        $discount_code = sanitize_text_field( $_POST['code'] );
-        if ( empty( $invoice_id ) || empty( $discount_code ) ) {
+        $invoice_id = absint($_POST['invoice_id']);
+        $discount_code = sanitize_text_field($_POST['code']);
+        if (empty($invoice_id) || empty($discount_code)) {
             die();
         }
         
-        $invoice = wpinv_get_invoice( $invoice_id );
-        if ( empty( $invoice ) || ( !empty( $invoice ) && $invoice->is_paid() ) ) {
+        $invoice = wpinv_get_invoice($invoice_id);
+        if (empty($invoice) || (!empty($invoice) && $invoice->is_paid())) {
             die();
         }
         
@@ -499,49 +499,49 @@ 
         
         $data                   = array();
         $data['invoice_id']     = $invoice_id;
-        $data['cart_discounts'] = $invoice->get_discounts( true );
+        $data['cart_discounts'] = $invoice->get_discounts(true);
         
-        wpinv_set_checkout_session( $data );
+        wpinv_set_checkout_session($data);
         
         $response               = array();
         $response['success']    = false;
-        $response['msg']        = __( 'This discount is invalid.', 'invoicing' );
+        $response['msg']        = __('This discount is invalid.', 'invoicing');
         $response['data']['code'] = $discount_code;
         
-        if ( wpinv_is_discount_valid( $discount_code, $invoice->get_user_id() ) ) {
-            $discounts = wpinv_set_cart_discount( $discount_code );
+        if (wpinv_is_discount_valid($discount_code, $invoice->get_user_id())) {
+            $discounts = wpinv_set_cart_discount($discount_code);
             
             $response['success'] = true;
-            $response['msg'] = __( 'Discount has been applied successfully.', 'invoicing' );
-        }  else {
+            $response['msg'] = __('Discount has been applied successfully.', 'invoicing');
+        } else {
             $errors = wpinv_get_errors();
-            if ( !empty( $errors['wpinv-discount-error'] ) ) {
+            if (!empty($errors['wpinv-discount-error'])) {
                 $response['msg'] = $errors['wpinv-discount-error'];
             }
-            wpinv_unset_error( 'wpinv-discount-error' );
+            wpinv_unset_error('wpinv-discount-error');
         }
         
         wpinv_set_checkout_session($checkout_session);
         
-        wp_send_json( $response );
+        wp_send_json($response);
     }
     
     public static function admin_remove_discount() {
         global $wpi_userID;
         
-        check_ajax_referer( 'wpinv-nonce', '_nonce' );
-        if ( !current_user_can( 'manage_options' ) ) {
+        check_ajax_referer('wpinv-nonce', '_nonce');
+        if (!current_user_can('manage_options')) {
             die(-1);
         }
         
-        $invoice_id = absint( $_POST['invoice_id'] );
-        $discount_code = sanitize_text_field( $_POST['code'] );
-        if ( empty( $invoice_id ) || empty( $discount_code ) ) {
+        $invoice_id = absint($_POST['invoice_id']);
+        $discount_code = sanitize_text_field($_POST['code']);
+        if (empty($invoice_id) || empty($discount_code)) {
             die();
         }
         
-        $invoice = wpinv_get_invoice( $invoice_id );
-        if ( empty( $invoice ) || ( !empty( $invoice ) && $invoice->is_paid() ) ) {
+        $invoice = wpinv_get_invoice($invoice_id);
+        if (empty($invoice) || (!empty($invoice) && $invoice->is_paid())) {
             die();
         }
         
@@ -549,38 +549,38 @@ 
         
         $data                   = array();
         $data['invoice_id']     = $invoice_id;
-        $data['cart_discounts'] = $invoice->get_discounts( true );
+        $data['cart_discounts'] = $invoice->get_discounts(true);
         
-        wpinv_set_checkout_session( $data );
+        wpinv_set_checkout_session($data);
         
         $response               = array();
         $response['success']    = false;
         $response['msg']        = NULL;
         
-        $discounts  = wpinv_unset_cart_discount( $discount_code );
+        $discounts = wpinv_unset_cart_discount($discount_code);
         $response['success'] = true;
-        $response['msg'] = __( 'Discount has been removed successfully.', 'invoicing' );
+        $response['msg'] = __('Discount has been removed successfully.', 'invoicing');
         
         wpinv_set_checkout_session($checkout_session);
         
-        wp_send_json( $response );
+        wp_send_json($response);
     }
     
     public static function check_email() {
-        check_ajax_referer( 'wpinv-nonce', '_nonce' );
-        if ( !current_user_can( 'manage_options' ) ) {
+        check_ajax_referer('wpinv-nonce', '_nonce');
+        if (!current_user_can('manage_options')) {
             die(-1);
         }
         
-        $email = sanitize_text_field( $_POST['email'] );
+        $email = sanitize_text_field($_POST['email']);
         
         $response = array();
-        if ( is_email( $email ) && email_exists( $email ) && $user_data = get_user_by( 'email', $email ) ) {
+        if (is_email($email) && email_exists($email) && $user_data = get_user_by('email', $email)) {
             $user_id            = $user_data->ID;
             $user_login         = $user_data->user_login;
             $display_name       = $user_data->display_name ? $user_data->display_name : $user_login;
             $billing_details    = wpinv_get_user_address($user_id);
-            $billing_details    = apply_filters( 'wpinv_fill_billing_details', $billing_details, $user_id );
+            $billing_details    = apply_filters('wpinv_fill_billing_details', $billing_details, $user_id);
             
             if (isset($billing_details['user_id'])) {
                 unset($billing_details['user_id']);
@@ -596,31 +596,31 @@ 
             $response['data']['billing_details']    = $billing_details;
         }
         
-        wp_send_json( $response );
+        wp_send_json($response);
     }
     
     public static function run_tool() {
-        check_ajax_referer( 'wpinv-nonce', '_nonce' );
-        if ( !current_user_can( 'manage_options' ) ) {
+        check_ajax_referer('wpinv-nonce', '_nonce');
+        if (!current_user_can('manage_options')) {
             die(-1);
         }
         
-        $tool = sanitize_text_field( $_POST['tool'] );
+        $tool = sanitize_text_field($_POST['tool']);
         
-        do_action( 'wpinv_run_tool' );
+        do_action('wpinv_run_tool');
         
-        if ( !empty( $tool ) ) {
-            do_action( 'wpinv_tool_' . $tool );
+        if (!empty($tool)) {
+            do_action('wpinv_tool_' . $tool);
         }
     }
     
     public static function apply_discount() {
-        check_ajax_referer( 'wpinv-nonce', '_nonce' );
+        check_ajax_referer('wpinv-nonce', '_nonce');
         
         $response = array();
         
-        if ( isset( $_POST['code'] ) ) {
-            $discount_code = sanitize_text_field( $_POST['code'] );
+        if (isset($_POST['code'])) {
+            $discount_code = sanitize_text_field($_POST['code']);
 
             $response['success']        = false;
             $response['msg']            = '';
@@ -628,14 +628,14 @@ 
             
             $user = is_user_logged_in() ? get_current_user_id() : '';
 
-            if ( wpinv_is_discount_valid( $discount_code, $user ) ) {
-                $discount       = wpinv_get_discount_by_code( $discount_code );
-                $discounts      = wpinv_set_cart_discount( $discount_code );
-                $amount         = wpinv_format_discount_rate( wpinv_get_discount_type( $discount->ID ), wpinv_get_discount_amount( $discount->ID ) );
-                $total          = wpinv_get_cart_total( null, $discounts );
-                $cart_totals    = wpinv_recalculate_tax( true );
+            if (wpinv_is_discount_valid($discount_code, $user)) {
+                $discount       = wpinv_get_discount_by_code($discount_code);
+                $discounts      = wpinv_set_cart_discount($discount_code);
+                $amount         = wpinv_format_discount_rate(wpinv_get_discount_type($discount->ID), wpinv_get_discount_amount($discount->ID));
+                $total          = wpinv_get_cart_total(null, $discounts);
+                $cart_totals    = wpinv_recalculate_tax(true);
             
-                if ( !empty( $cart_totals ) ) {
+                if (!empty($cart_totals)) {
                     $response['success']        = true;
                     $response['data']           = $cart_totals;
                     $response['data']['code']   = $discount_code;
@@ -644,29 +644,29 @@ 
                 }
             } else {
                 $errors = wpinv_get_errors();
-                $response['msg']  = $errors['wpinv-discount-error'];
-                wpinv_unset_error( 'wpinv-discount-error' );
+                $response['msg'] = $errors['wpinv-discount-error'];
+                wpinv_unset_error('wpinv-discount-error');
             }
 
             // Allow for custom discount code handling
-            $response = apply_filters( 'wpinv_ajax_discount_response', $response );
+            $response = apply_filters('wpinv_ajax_discount_response', $response);
         }
         
-        wp_send_json( $response );
+        wp_send_json($response);
     }
     
     public static function remove_discount() {
-        check_ajax_referer( 'wpinv-nonce', '_nonce' );
+        check_ajax_referer('wpinv-nonce', '_nonce');
         
         $response = array();
         
-        if ( isset( $_POST['code'] ) ) {
-            $discount_code  = sanitize_text_field( $_POST['code'] );
-            $discounts      = wpinv_unset_cart_discount( $discount_code );
-            $total          = wpinv_get_cart_total( null, $discounts );
-            $cart_totals    = wpinv_recalculate_tax( true );
+        if (isset($_POST['code'])) {
+            $discount_code  = sanitize_text_field($_POST['code']);
+            $discounts      = wpinv_unset_cart_discount($discount_code);
+            $total          = wpinv_get_cart_total(null, $discounts);
+            $cart_totals    = wpinv_recalculate_tax(true);
             
-            if ( !empty( $cart_totals ) ) {
+            if (!empty($cart_totals)) {
                 $response['success']        = true;
                 $response['data']           = $cart_totals;
                 $response['data']['code']   = $discount_code;
@@ -675,10 +675,10 @@ 
             }
             
             // Allow for custom discount code handling
-            $response = apply_filters( 'wpinv_ajax_discount_response', $response );
+            $response = apply_filters('wpinv_ajax_discount_response', $response);
         }
         
-        wp_send_json( $response );
+        wp_send_json($response);
     }
 }
 

templates/emails/wpinv-email-user_note.php

Spacing +8 added lines, -8 removed lines

@@ -1,18 +1,18 @@
 <?php
 // don't load directly
-if ( !defined('ABSPATH') )
+if (!defined('ABSPATH'))
     die('-1');
 
-do_action( 'wpinv_email_header', $email_heading, $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_header', $email_heading, $invoice, $email_type, $sent_to_admin);
 
-do_action( 'wpinv_email_before_note_details', $invoice, $email_type, $sent_to_admin, $customer_note );
+do_action('wpinv_email_before_note_details', $invoice, $email_type, $sent_to_admin, $customer_note);
 
-do_action( 'wpinv_email_invoice_details', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_invoice_details', $invoice, $email_type, $sent_to_admin);
 
-do_action( 'wpinv_email_invoice_items', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_invoice_items', $invoice, $email_type, $sent_to_admin);
 
-do_action( 'wpinv_email_billing_details', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_billing_details', $invoice, $email_type, $sent_to_admin);
 
-do_action( 'wpinv_email_after_note_details', $invoice, $email_type, $sent_to_admin, $customer_note );
+do_action('wpinv_email_after_note_details', $invoice, $email_type, $sent_to_admin, $customer_note);
 
-do_action( 'wpinv_email_footer', $invoice, $email_type, $sent_to_admin );
\ No newline at end of file
+do_action('wpinv_email_footer', $invoice, $email_type, $sent_to_admin);
\ No newline at end of file

includes/class-wpinv-notes.php

Spacing +39 added lines, -39 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
     exit; // Exit if accessed directly
 }
 
@@ -14,73 +14,73 @@ 
     }
     
     public function init() {
-        do_action( 'wpinv_class_notes_init', $this );
+        do_action('wpinv_class_notes_init', $this);
     }
     
     public function includes() {
-        do_action( 'wpinv_class_notes_includes', $this );
+        do_action('wpinv_class_notes_includes', $this);
     }
     
     public function actions() {
         // Secure inovice notes
-        add_action( 'pre_get_comments', array( $this, 'set_invoice_note_type' ), 11, 1 );
+        add_action('pre_get_comments', array($this, 'set_invoice_note_type'), 11, 1);
         
         // Count comments
-        add_filter( 'wp_count_comments', array( $this, 'wp_count_comments' ), 11, 2 );
+        add_filter('wp_count_comments', array($this, 'wp_count_comments'), 11, 2);
         
         // Delete comments count cache whenever there is a new comment or a comment status changes
-        add_action( 'wp_insert_comment', array( $this, 'delete_comments_count_cache' ) );
-        add_action( 'wp_set_comment_status', array( $this, 'delete_comments_count_cache' ) );
+        add_action('wp_insert_comment', array($this, 'delete_comments_count_cache'));
+        add_action('wp_set_comment_status', array($this, 'delete_comments_count_cache'));
         
-        do_action( 'wpinv_class_notes_actions', $this );
+        do_action('wpinv_class_notes_actions', $this);
     }
         
-    public function set_invoice_note_type( $query ) {
-        $post_ID        = !empty( $query->query_vars['post_ID'] ) ? $query->query_vars['post_ID'] : $query->query_vars['post_id'];
+    public function set_invoice_note_type($query) {
+        $post_ID = !empty($query->query_vars['post_ID']) ? $query->query_vars['post_ID'] : $query->query_vars['post_id'];
         
-        if ( $post_ID && in_array(get_post_type( $post_ID ), array($this->invoice_post_type, 'wpi_quote' )) ) {
+        if ($post_ID && in_array(get_post_type($post_ID), array($this->invoice_post_type, 'wpi_quote'))) {
             $query->query_vars['type__in']      = $this->comment_type;
             $query->query_vars['type__not_in']  = '';
         } else {        
-            if ( isset( $query->query_vars['type__in'] ) && $type_in = $query->query_vars['type__in'] ) {
-                if ( is_array( $type_in ) && in_array( $this->comment_type, $type_in ) ) {
-                    $key = array_search( $this->comment_type, $type_in );
-                    unset( $query->query_vars['type__in'][$key] );
-                } else if ( !is_array( $type_in ) && $type_in == $this->comment_type ) {
+            if (isset($query->query_vars['type__in']) && $type_in = $query->query_vars['type__in']) {
+                if (is_array($type_in) && in_array($this->comment_type, $type_in)) {
+                    $key = array_search($this->comment_type, $type_in);
+                    unset($query->query_vars['type__in'][$key]);
+                } else if (!is_array($type_in) && $type_in == $this->comment_type) {
                     $query->query_vars['type__in'] = '';
                 }
             }
             
-            if ( isset( $query->query_vars['type__not_in'] ) && $type_not_in = $query->query_vars['type__not_in'] ) {
-                if ( is_array( $type_not_in ) && !in_array( $this->comment_type, $type_not_in ) ) {
+            if (isset($query->query_vars['type__not_in']) && $type_not_in = $query->query_vars['type__not_in']) {
+                if (is_array($type_not_in) && !in_array($this->comment_type, $type_not_in)) {
                     $query->query_vars['type__not_in'][] = $this->comment_type;
-                } else if ( !is_array( $type_not_in ) && $type_not_in != $this->comment_type ) {
+                } else if (!is_array($type_not_in) && $type_not_in != $this->comment_type) {
                     $query->query_vars['type__not_in'] = (array)$query->query_vars['type__not_in'];
                     $query->query_vars['type__not_in'][] = $this->comment_type;
                 }
             } else {
-                $query->query_vars['type__not_in']  = $this->comment_type;
+                $query->query_vars['type__not_in'] = $this->comment_type;
             }
         }
         
         return $query;
     }
     
-    public function get_invoice_notes( $invoice_id = 0, $type = '' ) {
+    public function get_invoice_notes($invoice_id = 0, $type = '') {
         $args = array( 
             'post_id'   => $invoice_id,
             'orderby'   => 'comment_ID',
             'order'     => 'ASC',
         );
         
-        if ( $type == 'customer' ) {
+        if ($type == 'customer') {
             $args['meta_key']   = '_wpi_customer_note';
             $args['meta_value'] = 1;
         }
         
-        $args   = apply_filters( 'wpinv_invoice_notes_args', $args, $this, $invoice_id, $type );
+        $args = apply_filters('wpinv_invoice_notes_args', $args, $this, $invoice_id, $type);
         
-        return get_comments( $args );
+        return get_comments($args);
     }
     
     /**
@@ -91,7 +91,7 @@ 
      * @return void
      */
     public function delete_comments_count_cache() {
-        delete_transient( 'wpinv_count_comments' );
+        delete_transient('wpinv_count_comments');
     }
     
     /**
@@ -102,16 +102,16 @@ 
      * @param  int    $post_id Post ID.
      * @return object
      */
-    public function wp_count_comments( $stats, $post_id ) {
+    public function wp_count_comments($stats, $post_id) {
         global $wpdb;
 
-        if ( 0 === $post_id ) {
-            $stats = get_transient( 'wpinv_count_comments' );
+        if (0 === $post_id) {
+            $stats = get_transient('wpinv_count_comments');
 
-            if ( ! $stats ) {
+            if (!$stats) {
                 $stats = array();
 
-                $count = $wpdb->get_results( "SELECT comment_approved, COUNT(*) AS num_comments FROM {$wpdb->comments} WHERE comment_type NOT IN ('" . $this->comment_type . "') GROUP BY comment_approved", ARRAY_A );
+                $count = $wpdb->get_results("SELECT comment_approved, COUNT(*) AS num_comments FROM {$wpdb->comments} WHERE comment_type NOT IN ('" . $this->comment_type . "') GROUP BY comment_approved", ARRAY_A);
 
                 $total = 0;
                 $approved = array(
@@ -122,26 +122,26 @@ 
                     'post-trashed' => 'post-trashed',
                 );
 
-                foreach ( (array) $count as $row ) {
+                foreach ((array)$count as $row) {
                     // Do not count post-trashed toward totals.
-                    if ( 'post-trashed' !== $row['comment_approved'] && 'trash' !== $row['comment_approved'] ) {
+                    if ('post-trashed' !== $row['comment_approved'] && 'trash' !== $row['comment_approved']) {
                         $total += $row['num_comments'];
                     }
-                    if ( isset( $approved[ $row['comment_approved'] ] ) ) {
-                        $stats[ $approved[ $row['comment_approved'] ] ] = $row['num_comments'];
+                    if (isset($approved[$row['comment_approved']])) {
+                        $stats[$approved[$row['comment_approved']]] = $row['num_comments'];
                     }
                 }
 
                 $stats['total_comments'] = $total;
                 $stats['all'] = $total;
-                foreach ( $approved as $key ) {
-                    if ( empty( $stats[ $key ] ) ) {
-                        $stats[ $key ] = 0;
+                foreach ($approved as $key) {
+                    if (empty($stats[$key])) {
+                        $stats[$key] = 0;
                     }
                 }
 
-                $stats = (object) $stats;
-                set_transient( 'wpinv_count_comments', $stats );
+                $stats = (object)$stats;
+                set_transient('wpinv_count_comments', $stats);
             }
         }
 

templates/emails/wpinv-email-new_invoice.php

Spacing +7 added lines, -7 removed lines

@@ -1,18 +1,18 @@
 <?php
 // don't load directly
-if ( !defined('ABSPATH') )
+if (!defined('ABSPATH'))
     die('-1');
 
-do_action( 'wpinv_email_header', $email_heading, $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_header', $email_heading, $invoice, $email_type, $sent_to_admin);
 ?>
 
-<p><?php printf( __( 'You have received payment from %s. The invoice is as follows:', 'invoicing' ), $invoice->get_user_full_name() ); ?></p>
+<p><?php printf(__('You have received payment from %s. The invoice is as follows:', 'invoicing'), $invoice->get_user_full_name()); ?></p>
 
 <?php
-do_action( 'wpinv_email_invoice_details', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_invoice_details', $invoice, $email_type, $sent_to_admin);
 
-do_action( 'wpinv_email_invoice_items', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_invoice_items', $invoice, $email_type, $sent_to_admin);
 
-do_action( 'wpinv_email_billing_details', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_billing_details', $invoice, $email_type, $sent_to_admin);
 
-do_action( 'wpinv_email_footer', $invoice, $email_type, $sent_to_admin );
\ No newline at end of file
+do_action('wpinv_email_footer', $invoice, $email_type, $sent_to_admin);
\ No newline at end of file

templates/emails/wpinv-email-invoice-details.php

Spacing +30 added lines, -30 removed lines

@@ -1,72 +1,72 @@
 <?php
 // don't load directly
-if ( !defined('ABSPATH') )
+if (!defined('ABSPATH'))
     die('-1');
 
 global $wpinv_euvat;
 
-$sent_to_admin  = !empty( $sent_to_admin ) ? true : false;
-if ( $sent_to_admin ) {
-    $invoice_url = get_edit_post_link( $invoice->ID );
+$sent_to_admin = !empty($sent_to_admin) ? true : false;
+if ($sent_to_admin) {
+    $invoice_url = get_edit_post_link($invoice->ID);
 } else {
-    $secret = !empty( $email_type ) && $email_type == 'user_invoice' ? true : false;
-    $invoice_url = $invoice->get_view_url( $secret );
+    $secret = !empty($email_type) && $email_type == 'user_invoice' ? true : false;
+    $invoice_url = $invoice->get_view_url($secret);
 }
 $use_taxes = wpinv_use_taxes();
 $vat_name = $wpinv_euvat->get_vat_name();
 
-do_action( 'wpinv_email_before_invoice_details', $invoice, $sent_to_admin ); ?>
+do_action('wpinv_email_before_invoice_details', $invoice, $sent_to_admin); ?>
 <div id="wpinv-email-details">
-    <h3 class="wpinv-details-t"><?php echo apply_filters( 'wpinv_email_details_title', __( 'Invoice Details', 'invoicing' ), $invoice ); ?></h3>
+    <h3 class="wpinv-details-t"><?php echo apply_filters('wpinv_email_details_title', __('Invoice Details', 'invoicing'), $invoice); ?></h3>
     <table class="table table-bordered table-sm">
-        <?php if ( $invoice_number = $invoice->get_number() ) { ?>
+        <?php if ($invoice_number = $invoice->get_number()) { ?>
             <tr>
-                <td><?php echo apply_filters( 'wpinv_email_details_number', __( 'Invoice Number', 'invoicing' ), $invoice ); ?></td>
-                <td><a href="<?php echo esc_url( $invoice_url ) ;?>"><?php echo $invoice_number; ?></a></td>
+                <td><?php echo apply_filters('wpinv_email_details_number', __('Invoice Number', 'invoicing'), $invoice); ?></td>
+                <td><a href="<?php echo esc_url($invoice_url); ?>"><?php echo $invoice_number; ?></a></td>
             </tr>
         <?php } ?>
         <tr>
-            <td><?php echo apply_filters( 'wpinv_email_details_status', __( 'Invoice Status', 'invoicing' ), $invoice ); ?></td>
-            <td><?php echo $invoice->get_status( true ); ?></td>
+            <td><?php echo apply_filters('wpinv_email_details_status', __('Invoice Status', 'invoicing'), $invoice); ?></td>
+            <td><?php echo $invoice->get_status(true); ?></td>
         </tr>
-        <?php if ( $invoice->is_renewal() ) { ?>
+        <?php if ($invoice->is_renewal()) { ?>
         <tr>
-            <td><?php _e( 'Parent Invoice', 'invoicing' ); ?></td>
-            <td><?php echo wpinv_invoice_link( $invoice->parent_invoice ); ?></td>
+            <td><?php _e('Parent Invoice', 'invoicing'); ?></td>
+            <td><?php echo wpinv_invoice_link($invoice->parent_invoice); ?></td>
         </tr>
         <?php } ?>
         <tr>
-            <td><?php _e( 'Payment Method', 'invoicing' ); ?></td>
+            <td><?php _e('Payment Method', 'invoicing'); ?></td>
             <td><?php echo $invoice->get_gateway_title(); ?></td>
         </tr>
-        <?php if ( $invoice_date = $invoice->get_invoice_date( false ) ) { ?>
+        <?php if ($invoice_date = $invoice->get_invoice_date(false)) { ?>
             <tr>
-                <td><?php echo apply_filters( 'wpinv_email_details_date', __( 'Invoice Date', 'invoicing' ), $invoice ); ?></td>
-                <td><?php echo wp_sprintf( '<time datetime="%s">%s</time>', date_i18n( 'c', strtotime( $invoice_date ) ), $invoice->get_invoice_date() ); ?></td>
+                <td><?php echo apply_filters('wpinv_email_details_date', __('Invoice Date', 'invoicing'), $invoice); ?></td>
+                <td><?php echo wp_sprintf('<time datetime="%s">%s</time>', date_i18n('c', strtotime($invoice_date)), $invoice->get_invoice_date()); ?></td>
             </tr>
         <?php } ?>
-        <?php if ( wpinv_get_option( 'overdue_active' ) && $invoice->needs_payment() && ( $due_date = $invoice->get_due_date() ) ) { ?>
+        <?php if (wpinv_get_option('overdue_active') && $invoice->needs_payment() && ($due_date = $invoice->get_due_date())) { ?>
             <tr>
-                <td><?php _e( 'Due Date', 'invoicing' ); ?></td>
-                <td><?php echo wp_sprintf( '<time datetime="%s">%s</time>', date_i18n( 'c', strtotime( $due_date ) ), $invoice->get_due_date( true ) ); ?></td>
+                <td><?php _e('Due Date', 'invoicing'); ?></td>
+                <td><?php echo wp_sprintf('<time datetime="%s">%s</time>', date_i18n('c', strtotime($due_date)), $invoice->get_due_date(true)); ?></td>
             </tr>
         <?php } ?>
-        <?php if ( empty( $sent_to_admin ) && $owner_vat_number = $wpinv_euvat->get_vat_number() ) { ?>
+        <?php if (empty($sent_to_admin) && $owner_vat_number = $wpinv_euvat->get_vat_number()) { ?>
             <tr>
-                <td><?php echo wp_sprintf( __( 'Owner %s Number', 'invoicing' ), $vat_name ); ?></td>
+                <td><?php echo wp_sprintf(__('Owner %s Number', 'invoicing'), $vat_name); ?></td>
                 <td><?php echo $owner_vat_number; ?></td>
             </tr>
         <?php } ?>
-        <?php if ( $use_taxes && $user_vat_number = $invoice->vat_number ) { ?>
+        <?php if ($use_taxes && $user_vat_number = $invoice->vat_number) { ?>
             <tr>
-                <td><?php echo wp_sprintf( __( 'Invoice %s Number', 'invoicing' ), $vat_name ); ?></td>
+                <td><?php echo wp_sprintf(__('Invoice %s Number', 'invoicing'), $vat_name); ?></td>
                 <td><?php echo $user_vat_number; ?></td>
             </tr>
         <?php } ?>
         <tr class="table-active">
-            <td><strong><?php _e( 'Total Amount', 'invoicing' ) ?></strong></td>
-            <td><strong><?php echo $invoice->get_total( true ); ?></strong></td>
+            <td><strong><?php _e('Total Amount', 'invoicing') ?></strong></td>
+            <td><strong><?php echo $invoice->get_total(true); ?></strong></td>
         </tr>
     </table>
 </div>
-<?php do_action( 'wpinv_email_after_invoice_details', $invoice, $sent_to_admin ); ?>
\ No newline at end of file
+<?php do_action('wpinv_email_after_invoice_details', $invoice, $sent_to_admin); ?>
\ No newline at end of file

includes/admin/wpinv-admin-functions.php

Spacing +189 added lines, -189 removed lines

@@ -7,239 +7,239 @@ 
  */
  
 // 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_columns( $columns ) {
+function wpinv_columns($columns) {
     $columns = array(
         'cb'                => $columns['cb'],
-        'number'            => __( 'Number', 'invoicing' ),
-        'customer'          => __( 'Customer', 'invoicing' ),
-        'amount'            => __( 'Amount', 'invoicing' ),
-        'invoice_date'      => __( 'Date', 'invoicing' ),
-        'status'            => __( 'Status', 'invoicing' ),
-        'ID'                => __( 'ID', 'invoicing' ),
-        'wpi_actions'       => __( 'Actions', 'invoicing' ),
+        'number'            => __('Number', 'invoicing'),
+        'customer'          => __('Customer', 'invoicing'),
+        'amount'            => __('Amount', 'invoicing'),
+        'invoice_date'      => __('Date', 'invoicing'),
+        'status'            => __('Status', 'invoicing'),
+        'ID'                => __('ID', 'invoicing'),
+        'wpi_actions'       => __('Actions', 'invoicing'),
     );
 
-    return apply_filters( 'wpi_invoice_table_columns', $columns );
+    return apply_filters('wpi_invoice_table_columns', $columns);
 }
-add_filter( 'manage_wpi_invoice_posts_columns', 'wpinv_columns' );
+add_filter('manage_wpi_invoice_posts_columns', 'wpinv_columns');
 
-function wpinv_bulk_actions( $actions ) {
-    if ( isset( $actions['edit'] ) ) {
-        unset( $actions['edit'] );
+function wpinv_bulk_actions($actions) {
+    if (isset($actions['edit'])) {
+        unset($actions['edit']);
     }
 
     return $actions;
 }
-add_filter( 'bulk_actions-edit-wpi_invoice', 'wpinv_bulk_actions' );
-add_filter( 'bulk_actions-edit-wpi_item', 'wpinv_bulk_actions' );
+add_filter('bulk_actions-edit-wpi_invoice', 'wpinv_bulk_actions');
+add_filter('bulk_actions-edit-wpi_item', 'wpinv_bulk_actions');
 
-function wpinv_sortable_columns( $columns ) {
+function wpinv_sortable_columns($columns) {
     $columns = array(
-        'ID'            => array( 'ID', true ),
-        'number'        => array( 'number', false ),
-        'amount'        => array( 'amount', false ),
-        'invoice_date'  => array( 'date', false ),
-        'customer'      => array( 'customer', false ),
-        'status'        => array( 'status', false ),
+        'ID'            => array('ID', true),
+        'number'        => array('number', false),
+        'amount'        => array('amount', false),
+        'invoice_date'  => array('date', false),
+        'customer'      => array('customer', false),
+        'status'        => array('status', false),
     );
     
-    return apply_filters( 'wpi_invoice_table_sortable_columns', $columns );
+    return apply_filters('wpi_invoice_table_sortable_columns', $columns);
 }
-add_filter( 'manage_edit-wpi_invoice_sortable_columns', 'wpinv_sortable_columns' );
+add_filter('manage_edit-wpi_invoice_sortable_columns', 'wpinv_sortable_columns');
 
-add_action( 'manage_wpi_invoice_posts_custom_column', 'wpinv_posts_custom_column');
-function wpinv_posts_custom_column( $column_name, $post_id = 0 ) {
+add_action('manage_wpi_invoice_posts_custom_column', 'wpinv_posts_custom_column');
+function wpinv_posts_custom_column($column_name, $post_id = 0) {
     global $post, $wpi_invoice;
     
-    if ( empty( $wpi_invoice ) || ( !empty( $wpi_invoice ) && $post->ID != $wpi_invoice->ID ) ) {
-        $wpi_invoice = new WPInv_Invoice( $post->ID );
+    if (empty($wpi_invoice) || (!empty($wpi_invoice) && $post->ID != $wpi_invoice->ID)) {
+        $wpi_invoice = new WPInv_Invoice($post->ID);
     }
 
     $value = NULL;
     
-    switch ( $column_name ) {
+    switch ($column_name) {
         case 'email' :
-            $value   = $wpi_invoice->get_email();
+            $value = $wpi_invoice->get_email();
             break;
         case 'customer' :
             $customer_name = $wpi_invoice->get_user_full_name();
-            $customer_name = $customer_name != '' ? $customer_name : __( 'Customer', 'invoicing' );
-            $value = '<a href="' . esc_url( get_edit_user_link( $wpi_invoice->get_user_id() ) ) . '">' . $customer_name . '</a>';
-            if ( $email = $wpi_invoice->get_email() ) {
+            $customer_name = $customer_name != '' ? $customer_name : __('Customer', 'invoicing');
+            $value = '<a href="' . esc_url(get_edit_user_link($wpi_invoice->get_user_id())) . '">' . $customer_name . '</a>';
+            if ($email = $wpi_invoice->get_email()) {
                 $value .= '<br><a class="email" href="mailto:' . $email . '">' . $email . '</a>';
             }
             break;
         case 'amount' :
-            echo $wpi_invoice->get_total( true );
+            echo $wpi_invoice->get_total(true);
             break;
         case 'invoice_date' :
-            $date_format = get_option( 'date_format' );
-            $time_format = get_option( 'time_format' );
-            $date_time_format = $date_format . ' '. $time_format;
+            $date_format = get_option('date_format');
+            $time_format = get_option('time_format');
+            $date_time_format = $date_format . ' ' . $time_format;
             
-            $t_time = get_the_time( $date_time_format );
+            $t_time = get_the_time($date_time_format);
             $m_time = $post->post_date;
-            $h_time = mysql2date( $date_format, $m_time );
+            $h_time = mysql2date($date_format, $m_time);
             
             $value   = '<abbr title="' . $t_time . '">' . $h_time . '</abbr>';
             break;
         case 'status' :
-            $value   = $wpi_invoice->get_status( true ) . ( $wpi_invoice->is_recurring() && $wpi_invoice->is_parent() ? ' <span class="wpi-suffix">' . __( '(r)', 'invoicing' ) . '</span>' : '' );
-            if ( $wpi_invoice->is_paid() && $gateway_title = $wpi_invoice->get_gateway_title() ) {
-                $value .= '<br><small class="meta gateway">' . wp_sprintf( __( 'Via %s', 'invoicing' ), $gateway_title ) . '</small>';
+            $value   = $wpi_invoice->get_status(true) . ($wpi_invoice->is_recurring() && $wpi_invoice->is_parent() ? ' <span class="wpi-suffix">' . __('(r)', 'invoicing') . '</span>' : '');
+            if ($wpi_invoice->is_paid() && $gateway_title = $wpi_invoice->get_gateway_title()) {
+                $value .= '<br><small class="meta gateway">' . wp_sprintf(__('Via %s', 'invoicing'), $gateway_title) . '</small>';
             }
             break;
         case 'number' :
-            $edit_link = get_edit_post_link( $post->ID );
-            $value = '<a title="' . esc_attr__( 'View Invoice Details', 'invoicing' ) . '" href="' . esc_url( $edit_link ) . '">' . $wpi_invoice->get_number() . '</a>';
+            $edit_link = get_edit_post_link($post->ID);
+            $value = '<a title="' . esc_attr__('View Invoice Details', 'invoicing') . '" href="' . esc_url($edit_link) . '">' . $wpi_invoice->get_number() . '</a>';
             break;
         case 'wpi_actions' :
             $value = '';
-            if ( !empty( $post->post_name ) ) {
-                $value .= '<a title="' . esc_attr__( 'Print invoice', 'invoicing' ) . '" href="' . esc_url( get_permalink( $post->ID ) ) . '" class="button ui-tip column-act-btn" title="" target="_blank"><span class="dashicons dashicons-print"><i style="" class="fa fa-print"></i></span></a>';
+            if (!empty($post->post_name)) {
+                $value .= '<a title="' . esc_attr__('Print invoice', 'invoicing') . '" href="' . esc_url(get_permalink($post->ID)) . '" class="button ui-tip column-act-btn" title="" target="_blank"><span class="dashicons dashicons-print"><i style="" class="fa fa-print"></i></span></a>';
             }
             
-            if ( $email = $wpi_invoice->get_email() ) {
-                $value .= '<a title="' . esc_attr__( 'Send invoice to customer', 'invoicing' ) . '" href="' . esc_url( add_query_arg( array( 'wpi_action' => 'send_invoice', 'invoice_id' => $post->ID ) ) ) . '" class="button ui-tip column-act-btn"><span class="dashicons dashicons-email-alt"></span></a>';
+            if ($email = $wpi_invoice->get_email()) {
+                $value .= '<a title="' . esc_attr__('Send invoice to customer', 'invoicing') . '" href="' . esc_url(add_query_arg(array('wpi_action' => 'send_invoice', 'invoice_id' => $post->ID))) . '" class="button ui-tip column-act-btn"><span class="dashicons dashicons-email-alt"></span></a>';
             }
             
             break;
         default:
-            $value = isset( $post->$column_name ) ? $post->$column_name : '';
+            $value = isset($post->$column_name) ? $post->$column_name : '';
             break;
 
     }
-    $value = apply_filters( 'wpinv_payments_table_column', $value, $post->ID, $column_name );
+    $value = apply_filters('wpinv_payments_table_column', $value, $post->ID, $column_name);
     
-    if ( $value !== NULL ) {
+    if ($value !== NULL) {
         echo $value;
     }
 }
 
-function wpinv_admin_post_id( $id = 0 ) {
+function wpinv_admin_post_id($id = 0) {
     global $post;
 
-    if ( isset( $id ) && ! empty( $id ) ) {
+    if (isset($id) && !empty($id)) {
         return (int)$id;
-    } else if ( get_the_ID() ) {
-        return (int) get_the_ID();
-    } else if ( isset( $post->ID ) && !empty( $post->ID ) ) {
-        return (int) $post->ID;
-    } else if ( isset( $_GET['post'] ) && !empty( $_GET['post'] ) ) {
-        return (int) $_GET['post'];
-    } else if ( isset( $_GET['id'] ) && !empty( $_GET['id'] ) ) {
-        return (int) $_GET['id'];
-    } else if ( isset( $_POST['id'] ) && !empty( $_POST['id'] ) ) {
-        return (int) $_POST['id'];
+    } else if (get_the_ID()) {
+        return (int)get_the_ID();
+    } else if (isset($post->ID) && !empty($post->ID)) {
+        return (int)$post->ID;
+    } else if (isset($_GET['post']) && !empty($_GET['post'])) {
+        return (int)$_GET['post'];
+    } else if (isset($_GET['id']) && !empty($_GET['id'])) {
+        return (int)$_GET['id'];
+    } else if (isset($_POST['id']) && !empty($_POST['id'])) {
+        return (int)$_POST['id'];
     } 
 
     return null;
 }
     
-function wpinv_admin_post_type( $id = 0 ) {
-    if ( !$id ) {
+function wpinv_admin_post_type($id = 0) {
+    if (!$id) {
         $id = wpinv_admin_post_id();
     }
     
-    $type = get_post_type( $id );
+    $type = get_post_type($id);
     
-    if ( !$type ) {
-        $type = isset( $_GET['post_type'] ) && !empty( $_GET['post_type'] ) ? $_GET['post_type'] : null;
+    if (!$type) {
+        $type = isset($_GET['post_type']) && !empty($_GET['post_type']) ? $_GET['post_type'] : null;
     }
     
-    return apply_filters( 'wpinv_admin_post_type', $type, $id );
+    return apply_filters('wpinv_admin_post_type', $type, $id);
 }
 
 function wpinv_admin_messages() {
 	global $wpinv_options, $pagenow, $post;
 
-	if ( isset( $_GET['wpinv-message'] ) && 'discount_added' == $_GET['wpinv-message'] && current_user_can( 'manage_options' ) ) {
-		 add_settings_error( 'wpinv-notices', 'wpinv-discount-added', __( 'Discount code added.', 'invoicing' ), 'updated' );
+	if (isset($_GET['wpinv-message']) && 'discount_added' == $_GET['wpinv-message'] && current_user_can('manage_options')) {
+		 add_settings_error('wpinv-notices', 'wpinv-discount-added', __('Discount code added.', 'invoicing'), 'updated');
 	}
 
-	if ( isset( $_GET['wpinv-message'] ) && 'discount_add_failed' == $_GET['wpinv-message'] && current_user_can( 'manage_options' ) ) {
-		add_settings_error( 'wpinv-notices', 'wpinv-discount-add-fail', __( 'There was a problem adding your discount code, please try again.', 'invoicing' ), 'error' );
+	if (isset($_GET['wpinv-message']) && 'discount_add_failed' == $_GET['wpinv-message'] && current_user_can('manage_options')) {
+		add_settings_error('wpinv-notices', 'wpinv-discount-add-fail', __('There was a problem adding your discount code, please try again.', 'invoicing'), 'error');
 	}
 
-	if ( isset( $_GET['wpinv-message'] ) && 'discount_exists' == $_GET['wpinv-message'] && current_user_can( 'manage_options' ) ) {
-		add_settings_error( 'wpinv-notices', 'wpinv-discount-exists', __( 'A discount with that code already exists, please use a different code.', 'invoicing' ), 'error' );
+	if (isset($_GET['wpinv-message']) && 'discount_exists' == $_GET['wpinv-message'] && current_user_can('manage_options')) {
+		add_settings_error('wpinv-notices', 'wpinv-discount-exists', __('A discount with that code already exists, please use a different code.', 'invoicing'), 'error');
 	}
 
-	if ( isset( $_GET['wpinv-message'] ) && 'discount_updated' == $_GET['wpinv-message'] && current_user_can( 'manage_options' ) ) {
-		 add_settings_error( 'wpinv-notices', 'wpinv-discount-updated', __( 'Discount code updated.', 'invoicing' ), 'updated' );
+	if (isset($_GET['wpinv-message']) && 'discount_updated' == $_GET['wpinv-message'] && current_user_can('manage_options')) {
+		 add_settings_error('wpinv-notices', 'wpinv-discount-updated', __('Discount code updated.', 'invoicing'), 'updated');
 	}
 
-	if ( isset( $_GET['wpinv-message'] ) && 'discount_update_failed' == $_GET['wpinv-message'] && current_user_can( 'manage_options' ) ) {
-		add_settings_error( 'wpinv-notices', 'wpinv-discount-updated-fail', __( 'There was a problem updating your discount code, please try again.', 'invoicing' ), 'error' );
+	if (isset($_GET['wpinv-message']) && 'discount_update_failed' == $_GET['wpinv-message'] && current_user_can('manage_options')) {
+		add_settings_error('wpinv-notices', 'wpinv-discount-updated-fail', __('There was a problem updating your discount code, please try again.', 'invoicing'), 'error');
 	}
 
-	if ( isset( $_GET['wpinv-message'] ) && 'invoice_deleted' == $_GET['wpinv-message'] && current_user_can( 'manage_options' ) ) {
-		add_settings_error( 'wpinv-notices', 'wpinv-deleted', __( 'The invoice has been deleted.', 'invoicing' ), 'updated' );
+	if (isset($_GET['wpinv-message']) && 'invoice_deleted' == $_GET['wpinv-message'] && current_user_can('manage_options')) {
+		add_settings_error('wpinv-notices', 'wpinv-deleted', __('The invoice has been deleted.', 'invoicing'), 'updated');
 	}
 
-	if ( isset( $_GET['wpinv-message'] ) && 'email_sent' == $_GET['wpinv-message'] && current_user_can( 'manage_options' ) ) {
-		add_settings_error( 'wpinv-notices', 'wpinv-sent', __( 'The email has been sent to customer.', 'invoicing' ), 'updated' );
+	if (isset($_GET['wpinv-message']) && 'email_sent' == $_GET['wpinv-message'] && current_user_can('manage_options')) {
+		add_settings_error('wpinv-notices', 'wpinv-sent', __('The email has been sent to customer.', 'invoicing'), 'updated');
     }
     
-    if ( isset( $_GET['wpinv-message'] ) && 'email_fail' == $_GET['wpinv-message'] && current_user_can( 'manage_options' ) ) {
-		add_settings_error( 'wpinv-notices', 'wpinv-sent-fail', __( 'Fail to send email to the customer.', 'invoicing' ), 'error' );
+    if (isset($_GET['wpinv-message']) && 'email_fail' == $_GET['wpinv-message'] && current_user_can('manage_options')) {
+		add_settings_error('wpinv-notices', 'wpinv-sent-fail', __('Fail to send email to the customer.', 'invoicing'), 'error');
     }
 
-    if ( isset( $_GET['wpinv-message'] ) && 'invoice-note-deleted' == $_GET['wpinv-message'] && current_user_can( 'manage_options' ) ) {
-        add_settings_error( 'wpinv-notices', 'wpinv-note-deleted', __( 'The invoice note has been deleted.', 'invoicing' ), 'updated' );
+    if (isset($_GET['wpinv-message']) && 'invoice-note-deleted' == $_GET['wpinv-message'] && current_user_can('manage_options')) {
+        add_settings_error('wpinv-notices', 'wpinv-note-deleted', __('The invoice note has been deleted.', 'invoicing'), 'updated');
     }
 
-	if ( isset( $_GET['wpinv-message'] ) && 'settings-imported' == $_GET['wpinv-message'] && current_user_can( 'manage_options' ) ) {
-		add_settings_error( 'wpinv-notices', 'wpinv-settings-imported', __( 'The settings have been imported.', 'invoicing' ), 'updated' );
+	if (isset($_GET['wpinv-message']) && 'settings-imported' == $_GET['wpinv-message'] && current_user_can('manage_options')) {
+		add_settings_error('wpinv-notices', 'wpinv-settings-imported', __('The settings have been imported.', 'invoicing'), 'updated');
 	}
 
-	if ( isset( $_GET['wpinv-message'] ) && 'note-added' == $_GET['wpinv-message'] && current_user_can( 'manage_options' ) ) {
-		add_settings_error( 'wpinv-notices', 'wpinv-note-added', __( 'The invoice note has been added successfully.', 'invoicing' ), 'updated' );
+	if (isset($_GET['wpinv-message']) && 'note-added' == $_GET['wpinv-message'] && current_user_can('manage_options')) {
+		add_settings_error('wpinv-notices', 'wpinv-note-added', __('The invoice note has been added successfully.', 'invoicing'), 'updated');
 	}
 
-	if ( isset( $_GET['wpinv-message'] ) && 'invoice-updated' == $_GET['wpinv-message'] && current_user_can( 'manage_options' ) ) {
-		add_settings_error( 'wpinv-notices', 'wpinv-updated', __( 'The invoice has been successfully updated.', 'invoicing' ), 'updated' );
+	if (isset($_GET['wpinv-message']) && 'invoice-updated' == $_GET['wpinv-message'] && current_user_can('manage_options')) {
+		add_settings_error('wpinv-notices', 'wpinv-updated', __('The invoice has been successfully updated.', 'invoicing'), 'updated');
 	}
     
-	if ( $pagenow == 'post.php' && !empty( $post->post_type ) && $post->post_type == 'wpi_item' && !wpinv_item_is_editable( $post ) ) {
-		$message = apply_filters( 'wpinv_item_non_editable_message', __( 'This item in not editable.', 'invoicing' ), $post->ID );
+	if ($pagenow == 'post.php' && !empty($post->post_type) && $post->post_type == 'wpi_item' && !wpinv_item_is_editable($post)) {
+		$message = apply_filters('wpinv_item_non_editable_message', __('This item in not editable.', 'invoicing'), $post->ID);
 
-		if ( !empty( $message ) ) {
-			add_settings_error( 'wpinv-notices', 'wpinv-edit-n', $message, 'updated' );
+		if (!empty($message)) {
+			add_settings_error('wpinv-notices', 'wpinv-edit-n', $message, 'updated');
 		}
 	}
 
-	settings_errors( 'wpinv-notices' );
+	settings_errors('wpinv-notices');
 }
-add_action( 'admin_notices', 'wpinv_admin_messages' );
+add_action('admin_notices', 'wpinv_admin_messages');
 
-function wpinv_items_columns( $existing_columns ) {
+function wpinv_items_columns($existing_columns) {
     global $wpinv_euvat;
     
     $columns                = array();
     $columns['cb']          = $existing_columns['cb'];
-    $columns['title']       = __( 'Title', 'invoicing' );
-    $columns['price']       = __( 'Price', 'invoicing' );
-    if ( $wpinv_euvat->allow_vat_rules() ) {
-        $columns['vat_rule']    = __( 'VAT rule type', 'invoicing' );
+    $columns['title']       = __('Title', 'invoicing');
+    $columns['price']       = __('Price', 'invoicing');
+    if ($wpinv_euvat->allow_vat_rules()) {
+        $columns['vat_rule']    = __('VAT rule type', 'invoicing');
     }
-    if ( $wpinv_euvat->allow_vat_classes() ) {
-        $columns['vat_class']   = __( 'VAT class', 'invoicing' );
+    if ($wpinv_euvat->allow_vat_classes()) {
+        $columns['vat_class']   = __('VAT class', 'invoicing');
     }
-    $columns['type']        = __( 'Type', 'invoicing' );
-    $columns['recurring']   = __( 'Recurring', 'invoicing' );
-    $columns['date']        = __( 'Date', 'invoicing' );
-    $columns['id']          = __( 'ID', 'invoicing' );
+    $columns['type']        = __('Type', 'invoicing');
+    $columns['recurring']   = __('Recurring', 'invoicing');
+    $columns['date']        = __('Date', 'invoicing');
+    $columns['id']          = __('ID', 'invoicing');
 
-    return apply_filters( 'wpinv_items_columns', $columns );
+    return apply_filters('wpinv_items_columns', $columns);
 }
-add_filter( 'manage_wpi_item_posts_columns', 'wpinv_items_columns' );
+add_filter('manage_wpi_item_posts_columns', 'wpinv_items_columns');
 
-function wpinv_items_sortable_columns( $columns ) {
+function wpinv_items_sortable_columns($columns) {
     $columns['price']       = 'price';
     $columns['vat_rule']    = 'vat_rule';
     $columns['vat_class']   = 'vat_class';
@@ -249,156 +249,156 @@ 
 
     return $columns;
 }
-add_filter( 'manage_edit-wpi_item_sortable_columns', 'wpinv_items_sortable_columns' );
+add_filter('manage_edit-wpi_item_sortable_columns', 'wpinv_items_sortable_columns');
 
-function wpinv_items_table_custom_column( $column ) {
+function wpinv_items_table_custom_column($column) {
     global $wpinv_euvat, $post, $wpi_item;
     
-    if ( empty( $wpi_item ) || ( !empty( $wpi_item ) && $post->ID != $wpi_item->ID ) ) {
-        $wpi_item = new WPInv_Item( $post->ID );
+    if (empty($wpi_item) || (!empty($wpi_item) && $post->ID != $wpi_item->ID)) {
+        $wpi_item = new WPInv_Item($post->ID);
     }
 
-    switch ( $column ) {
+    switch ($column) {
         case 'price' :
-            echo wpinv_item_price( $post->ID );
+            echo wpinv_item_price($post->ID);
         break;
         case 'vat_rule' :
-            echo $wpinv_euvat->item_rule_label( $post->ID );
+            echo $wpinv_euvat->item_rule_label($post->ID);
         break;
         case 'vat_class' :
-            echo $wpinv_euvat->item_class_label( $post->ID );
+            echo $wpinv_euvat->item_class_label($post->ID);
         break;
         case 'type' :
-            echo wpinv_item_type( $post->ID ) . '<span class="meta">' . $wpi_item->get_custom_singular_name() . '</span>';
+            echo wpinv_item_type($post->ID) . '<span class="meta">' . $wpi_item->get_custom_singular_name() . '</span>';
         break;
         case 'recurring' :
-            echo ( wpinv_is_recurring_item( $post->ID ) ? '<i class="fa fa-check fa-recurring-y"></i>' : '<i class="fa fa-close fa-recurring-n"></i>' );
+            echo (wpinv_is_recurring_item($post->ID) ? '<i class="fa fa-check fa-recurring-y"></i>' : '<i class="fa fa-close fa-recurring-n"></i>');
         break;
         case 'id' :
            echo $post->ID;
            echo '<div class="hidden" id="wpinv_inline-' . $post->ID . '">
-                    <div class="price">' . wpinv_get_item_price( $post->ID ) . '</div>';
-                    if ( $wpinv_euvat->allow_vat_rules() ) {
-                        echo '<div class="vat_rule">' . $wpinv_euvat->get_item_rule( $post->ID ) . '</div>';
+                    <div class="price">' . wpinv_get_item_price($post->ID) . '</div>';
+                    if ($wpinv_euvat->allow_vat_rules()) {
+                        echo '<div class="vat_rule">' . $wpinv_euvat->get_item_rule($post->ID) . '</div>';
                     }
-                    if ( $wpinv_euvat->allow_vat_classes() ) {
-                        echo '<div class="vat_class">' . $wpinv_euvat->get_item_class( $post->ID ) . '</div>';
+                    if ($wpinv_euvat->allow_vat_classes()) {
+                        echo '<div class="vat_class">' . $wpinv_euvat->get_item_class($post->ID) . '</div>';
                     }
-                    echo '<div class="type">' . wpinv_get_item_type( $post->ID ) . '</div>
+                    echo '<div class="type">' . wpinv_get_item_type($post->ID) . '</div>
                 </div>';
         break;
     }
     
-    do_action( 'wpinv_items_table_column_item_' . $column, $wpi_item, $post );
+    do_action('wpinv_items_table_column_item_' . $column, $wpi_item, $post);
 }
-add_action( 'manage_wpi_item_posts_custom_column', 'wpinv_items_table_custom_column' );
+add_action('manage_wpi_item_posts_custom_column', 'wpinv_items_table_custom_column');
 
 function wpinv_add_items_filters() {
     global $wpinv_euvat, $typenow;
 
     // Checks if the current post type is 'item'
-    if ( $typenow == 'wpi_item') {
-        if ( $wpinv_euvat->allow_vat_rules() ) {
-            echo wpinv_html_select( array(
-                    'options'          => array_merge( array( '' => __( 'All VAT rules', 'invoicing' ) ), $wpinv_euvat->get_rules() ),
+    if ($typenow == 'wpi_item') {
+        if ($wpinv_euvat->allow_vat_rules()) {
+            echo wpinv_html_select(array(
+                    'options'          => array_merge(array('' => __('All VAT rules', 'invoicing')), $wpinv_euvat->get_rules()),
                     'name'             => 'vat_rule',
                     'id'               => 'vat_rule',
-                    'selected'         => ( isset( $_GET['vat_rule'] ) ? $_GET['vat_rule'] : '' ),
+                    'selected'         => (isset($_GET['vat_rule']) ? $_GET['vat_rule'] : ''),
                     'show_option_all'  => false,
                     'show_option_none' => false,
                     'class'            => 'gdmbx2-text-medium',
-                ) );
+                ));
         }
         
-        if ( $wpinv_euvat->allow_vat_classes() ) {
-            echo wpinv_html_select( array(
-                    'options'          => array_merge( array( '' => __( 'All VAT classes', 'invoicing' ) ), $wpinv_euvat->get_all_classes() ),
+        if ($wpinv_euvat->allow_vat_classes()) {
+            echo wpinv_html_select(array(
+                    'options'          => array_merge(array('' => __('All VAT classes', 'invoicing')), $wpinv_euvat->get_all_classes()),
                     'name'             => 'vat_class',
                     'id'               => 'vat_class',
-                    'selected'         => ( isset( $_GET['vat_class'] ) ? $_GET['vat_class'] : '' ),
+                    'selected'         => (isset($_GET['vat_class']) ? $_GET['vat_class'] : ''),
                     'show_option_all'  => false,
                     'show_option_none' => false,
                     'class'            => 'gdmbx2-text-medium',
-                ) );
+                ));
         }
             
-        echo wpinv_html_select( array(
-                'options'          => array_merge( array( '' => __( 'All item types', 'invoicing' ) ), wpinv_get_item_types() ),
+        echo wpinv_html_select(array(
+                'options'          => array_merge(array('' => __('All item types', 'invoicing')), wpinv_get_item_types()),
                 'name'             => 'type',
                 'id'               => 'type',
-                'selected'         => ( isset( $_GET['type'] ) ? $_GET['type'] : '' ),
+                'selected'         => (isset($_GET['type']) ? $_GET['type'] : ''),
                 'show_option_all'  => false,
                 'show_option_none' => false,
                 'class'            => 'gdmbx2-text-medium',
-            ) );
+            ));
 
-        if ( isset( $_REQUEST['all_posts'] ) && '1' === $_REQUEST['all_posts'] ) {
+        if (isset($_REQUEST['all_posts']) && '1' === $_REQUEST['all_posts']) {
             echo '<input type="hidden" name="all_posts" value="1" />';
         }
     }
 }
-add_action( 'restrict_manage_posts', 'wpinv_add_items_filters', 100 );
+add_action('restrict_manage_posts', 'wpinv_add_items_filters', 100);
 
-function wpinv_send_invoice_after_save( $post_id ) {
+function wpinv_send_invoice_after_save($post_id) {
     // If this is just a revision, don't send the email.
-    if ( wp_is_post_revision( $post_id ) ) {
+    if (wp_is_post_revision($post_id)) {
         return;
     }
     
-    if ( !current_user_can( 'manage_options' ) || !('wpi_invoice' == get_post_type( $post_id ))  ) {
+    if (!current_user_can('manage_options') || !('wpi_invoice' == get_post_type($post_id))) {
         return;
     }
     
-    if ( !empty( $_POST['wpi_save_send'] ) ) {
-        wpinv_user_invoice_notification( $post_id );
+    if (!empty($_POST['wpi_save_send'])) {
+        wpinv_user_invoice_notification($post_id);
     }
 }
-add_action( 'save_post_wpi_invoice', 'wpinv_send_invoice_after_save', 100, 1 );
+add_action('save_post_wpi_invoice', 'wpinv_send_invoice_after_save', 100, 1);
 
-function wpinv_send_register_new_user( $data, $postarr ) {
-    if ( current_user_can( 'manage_options' ) && !empty( $data['post_type'] ) && ( 'wpi_invoice' == $data['post_type'] || 'wpi_quote' == $data['post_type'] ) ) {
-        $is_new_user = !empty( $postarr['wpinv_new_user'] ) ? true : false;
-        $email = !empty( $postarr['wpinv_email'] ) && $postarr['wpinv_email'] && is_email( $postarr['wpinv_email'] ) ? $postarr['wpinv_email'] : NULL;
+function wpinv_send_register_new_user($data, $postarr) {
+    if (current_user_can('manage_options') && !empty($data['post_type']) && ('wpi_invoice' == $data['post_type'] || 'wpi_quote' == $data['post_type'])) {
+        $is_new_user = !empty($postarr['wpinv_new_user']) ? true : false;
+        $email = !empty($postarr['wpinv_email']) && $postarr['wpinv_email'] && is_email($postarr['wpinv_email']) ? $postarr['wpinv_email'] : NULL;
         
-        if ( $is_new_user && $email && !email_exists( $email ) ) {
-            $first_name = !empty( $postarr['wpinv_first_name'] ) ? sanitize_text_field( $postarr['wpinv_first_name'] ) : '';
-            $last_name = !empty( $postarr['wpinv_last_name'] ) ? sanitize_text_field( $postarr['wpinv_last_name'] ) : '';
-            $display_name = $first_name || $last_name ? trim( $first_name . ' ' . $last_name ) : '';
-            $user_nicename = $display_name ? trim( $display_name ) : $email;
-            $user_company = !empty( $postarr['wpinv_company'] ) ? sanitize_text_field( $postarr['wpinv_company'] ) : '';
+        if ($is_new_user && $email && !email_exists($email)) {
+            $first_name = !empty($postarr['wpinv_first_name']) ? sanitize_text_field($postarr['wpinv_first_name']) : '';
+            $last_name = !empty($postarr['wpinv_last_name']) ? sanitize_text_field($postarr['wpinv_last_name']) : '';
+            $display_name = $first_name || $last_name ? trim($first_name . ' ' . $last_name) : '';
+            $user_nicename = $display_name ? trim($display_name) : $email;
+            $user_company = !empty($postarr['wpinv_company']) ? sanitize_text_field($postarr['wpinv_company']) : '';
             
-            $user_login = sanitize_user( str_replace( ' ', '', $display_name ), true );
-            if ( !( validate_username( $user_login ) && !username_exists( $user_login ) ) ) {
+            $user_login = sanitize_user(str_replace(' ', '', $display_name), true);
+            if (!(validate_username($user_login) && !username_exists($user_login))) {
                 $new_user_login = strstr($email, '@', true);
-                if ( validate_username( $user_login ) && username_exists( $user_login ) ) {
-                    $user_login = sanitize_user($new_user_login, true );
+                if (validate_username($user_login) && username_exists($user_login)) {
+                    $user_login = sanitize_user($new_user_login, true);
                 }
-                if ( validate_username( $user_login ) && username_exists( $user_login ) ) {
-                    $user_append_text = rand(10,1000);
-                    $user_login = sanitize_user($new_user_login.$user_append_text, true );
+                if (validate_username($user_login) && username_exists($user_login)) {
+                    $user_append_text = rand(10, 1000);
+                    $user_login = sanitize_user($new_user_login . $user_append_text, true);
                 }
                 
-                if ( !( validate_username( $user_login ) && !username_exists( $user_login ) ) ) {
+                if (!(validate_username($user_login) && !username_exists($user_login))) {
                     $user_login = $email;
                 }
             }
             
             $userdata = array(
                 'user_login' => $user_login,
-                'user_pass' => wp_generate_password( 12, false ),
-                'user_email' => sanitize_text_field( $email ),
+                'user_pass' => wp_generate_password(12, false),
+                'user_email' => sanitize_text_field($email),
                 'first_name' => $first_name,
                 'last_name' => $last_name,
-                'user_nicename' => wpinv_utf8_substr( $user_nicename, 0, 50 ),
+                'user_nicename' => wpinv_utf8_substr($user_nicename, 0, 50),
                 'nickname' => $display_name,
                 'display_name' => $display_name,
             );
 
-            $userdata = apply_filters( 'wpinv_register_new_user_data', $userdata );
+            $userdata = apply_filters('wpinv_register_new_user_data', $userdata);
             
-            $new_user_id = wp_insert_user( $userdata );
+            $new_user_id = wp_insert_user($userdata);
             
-            if ( !is_wp_error( $new_user_id ) ) {
+            if (!is_wp_error($new_user_id)) {
                 $data['post_author'] = $new_user_id;
                 $_POST['post_author'] = $new_user_id;
                 $_POST['post_author_override'] = $new_user_id;
@@ -419,27 +419,27 @@ 
                 
                 $meta = array();
                 ///$meta['_wpinv_user_id'] = $new_user_id;
-                foreach ( $meta_fields as $field ) {
-                    $meta['_wpinv_' . $field] = isset( $postarr['wpinv_' . $field] ) ? sanitize_text_field( $postarr['wpinv_' . $field] ) : '';
+                foreach ($meta_fields as $field) {
+                    $meta['_wpinv_' . $field] = isset($postarr['wpinv_' . $field]) ? sanitize_text_field($postarr['wpinv_' . $field]) : '';
                 }
                 
-                $meta = apply_filters( 'wpinv_register_new_user_meta', $meta, $new_user_id );
+                $meta = apply_filters('wpinv_register_new_user_meta', $meta, $new_user_id);
 
                 // Update user meta.
-                foreach ( $meta as $key => $value ) {
-                    update_user_meta( $new_user_id, $key, $value );
+                foreach ($meta as $key => $value) {
+                    update_user_meta($new_user_id, $key, $value);
                 }
                 
-                if ( function_exists( 'wp_send_new_user_notifications' ) ) {
+                if (function_exists('wp_send_new_user_notifications')) {
                     // Send email notifications related to the creation of new user.
-                    wp_send_new_user_notifications( $new_user_id, 'user' );
+                    wp_send_new_user_notifications($new_user_id, 'user');
                 }
             } else {
-                wpinv_error_log( $new_user_id->get_error_message(), 'Invoice add new user', __FILE__, __LINE__ );
+                wpinv_error_log($new_user_id->get_error_message(), 'Invoice add new user', __FILE__, __LINE__);
             }
         }
     }
     
     return $data;
 }
-add_filter( 'wp_insert_post_data', 'wpinv_send_register_new_user', 10, 2 );
\ No newline at end of file
+add_filter('wp_insert_post_data', 'wpinv_send_register_new_user', 10, 2);
\ No newline at end of file

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

Spacing +149 added lines, -149 removed lines

@@ -1,22 +1,22 @@ 
 <?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_Items {
-    public static function output( $post ) {        
+    public static function output($post) {        
         global $wpinv_euvat, $ajax_cart_details;
         
-        $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);
         $ajax_cart_details  = $invoice->get_cart_details();
-        $subtotal           = $invoice->get_subtotal( true );
+        $subtotal           = $invoice->get_subtotal(true);
         $discount_raw       = $invoice->get_discount();
-        $discount           = wpinv_price( $discount_raw, $invoice->get_currency() );
+        $discount           = wpinv_price($discount_raw, $invoice->get_currency());
         $discounts          = $discount_raw > 0 ? $invoice->get_discounts() : '';
-        $tax                = $invoice->get_tax( true );
-        $total              = $invoice->get_total( true );
+        $tax                = $invoice->get_tax(true);
+        $total              = $invoice->get_total(true);
         $item_quantities    = wpinv_item_quantities_enabled();
         $use_taxes          = wpinv_use_taxes();
         $item_types         = wpinv_get_item_types();
@@ -29,17 +29,17 @@ 
         }
         
         $cols = 5;
-        if ( $item_quantities ) {
+        if ($item_quantities) {
             $cols++;
         }
-        if ( $use_taxes ) {
+        if ($use_taxes) {
             $cols++;
         }
         $class = '';
-        if ( $invoice->is_paid() ) {
+        if ($invoice->is_paid()) {
             $class .= ' wpinv-paid';
         }
-        if ( $is_recurring ) {
+        if ($is_recurring) {
             $class .= ' wpi-recurring';
         }
         ?>
@@ -47,21 +47,21 @@ 
             <table id="wpinv_items" class="wpinv-items" cellspacing="0" cellpadding="0">
                 <thead>
                     <tr>
-                        <th class="id"><?php _e( 'ID', 'invoicing' );?></th>
-                        <th class="title"><?php _e( 'Item', 'invoicing' );?></th>
-                        <th class="price"><?php _e( 'Price', 'invoicing' );?></th>
-                        <?php if ( $item_quantities ) { ?>
-                        <th class="qty"><?php _e( 'Qty', 'invoicing' );?></th>
+                        <th class="id"><?php _e('ID', 'invoicing'); ?></th>
+                        <th class="title"><?php _e('Item', 'invoicing'); ?></th>
+                        <th class="price"><?php _e('Price', 'invoicing'); ?></th>
+                        <?php if ($item_quantities) { ?>
+                        <th class="qty"><?php _e('Qty', 'invoicing'); ?></th>
                         <?php } ?>
-                        <th class="total"><?php _e( 'Total', 'invoicing' );?></th>
-                        <?php if ( $use_taxes ) { ?>
-                        <th class="tax"><?php _e( 'Tax (%)', 'invoicing' );?></th>
+                        <th class="total"><?php _e('Total', 'invoicing'); ?></th>
+                        <?php if ($use_taxes) { ?>
+                        <th class="tax"><?php _e('Tax (%)', 'invoicing'); ?></th>
                         <?php } ?>
                         <th class="action"></th>
                     </tr>
                 </thead>
                 <tbody class="wpinv-line-items">
-                    <?php echo wpinv_admin_get_line_items( $invoice ); ?>
+                    <?php echo wpinv_admin_get_line_items($invoice); ?>
                 </tbody>
                 <tfoot class="wpinv-totals">
                     <tr>
@@ -73,44 +73,44 @@ 
                                         </td>
                                         <td class="title">
                                             <input type="text" class="regular-text" placeholder="Item name" value="" name="_wpinv_quick[name]">
-                                            <?php if ( $wpinv_euvat->allow_vat_rules() ) { ?>
+                                            <?php if ($wpinv_euvat->allow_vat_rules()) { ?>
                                             <div class="wp-clearfix">
                                                 <label class="wpi-vat-rule">
-                                                    <span class="title"><?php _e( 'VAT rule type', 'invoicing' );?></span>
+                                                    <span class="title"><?php _e('VAT rule type', 'invoicing'); ?></span>
                                                     <span class="input-text-wrap">
-                                                        <?php echo wpinv_html_select( array(
+                                                        <?php echo wpinv_html_select(array(
                                                             'options'          => $wpinv_euvat->get_rules(),
                                                             'name'             => '_wpinv_quick[vat_rule]',
                                                             'id'               => '_wpinv_quick_vat_rule',
                                                             'show_option_all'  => false,
                                                             'show_option_none' => false,
                                                             'class'            => 'gdmbx2-text-medium wpinv-quick-vat-rule',
-                                                        ) ); ?>
+                                                        )); ?>
                                                     </span>
                                                 </label>
                                             </div>
-                                            <?php } if ( $wpinv_euvat->allow_vat_classes() ) { ?>
+                                            <?php } if ($wpinv_euvat->allow_vat_classes()) { ?>
                                             <div class="wp-clearfix">
                                                 <label class="wpi-vat-class">
-                                                    <span class="title"><?php _e( 'VAT class', 'invoicing' );?></span>
+                                                    <span class="title"><?php _e('VAT class', 'invoicing'); ?></span>
                                                     <span class="input-text-wrap">
-                                                        <?php echo wpinv_html_select( array(
+                                                        <?php echo wpinv_html_select(array(
                                                             'options'          => $wpinv_euvat->get_all_classes(),
                                                             'name'             => '_wpinv_quick[vat_class]',
                                                             'id'               => '_wpinv_quick_vat_class',
                                                             'show_option_all'  => false,
                                                             'show_option_none' => false,
                                                             'class'            => 'gdmbx2-text-medium wpinv-quick-vat-class',
-                                                        ) ); ?>
+                                                        )); ?>
                                                     </span>
                                                 </label>
                                             </div>
                                             <?php } ?>
                                             <div class="wp-clearfix">
                                                 <label class="wpi-item-type">
-                                                    <span class="title"><?php _e( 'Item type', 'invoicing' );?></span>
+                                                    <span class="title"><?php _e('Item type', 'invoicing'); ?></span>
                                                     <span class="input-text-wrap">
-                                                        <?php echo wpinv_html_select( array(
+                                                        <?php echo wpinv_html_select(array(
                                                             'options'          => $item_types,
                                                             'name'             => '_wpinv_quick[type]',
                                                             'id'               => '_wpinv_quick_type',
@@ -118,7 +118,7 @@ 
                                                             'show_option_all'  => false,
                                                             'show_option_none' => false,
                                                             'class'            => 'gdmbx2-text-medium wpinv-quick-type',
-                                                        ) ); ?>
+                                                        )); ?>
                                                     </span>
                                                 </label>
                                             </div>
@@ -131,11 +131,11 @@ 
                                             </div>
                                         </td>
                                         <td class="price"><input type="text" placeholder="0.00" class="wpi-field-price wpi-price" name="_wpinv_quick[price]" /></td>
-                                        <?php if ( $item_quantities ) { ?>
+                                        <?php if ($item_quantities) { ?>
                                         <td class="qty"><input type="number" class="small-text" step="1" min="1" value="1" name="_wpinv_quick[qty]" /></td>
                                         <?php } ?>
                                         <td class="total"></td>
-                                        <?php if ( $use_taxes ) { ?>
+                                        <?php if ($use_taxes) { ?>
                                         <td class="tax"></td>
                                         <?php } ?>
                                         <td class="action"></td>
@@ -148,29 +148,29 @@ 
                         <td colspan="<?php echo $cols; ?>"></td>
                     </tr>
                     <tr class="totals">
-                        <td colspan="<?php echo ( $cols - 4 ); ?>"></td>
+                        <td colspan="<?php echo ($cols - 4); ?>"></td>
                         <td colspan="4">
                             <table cellspacing="0" cellpadding="0">
                                 <tr class="subtotal">
-                                    <td class="name"><?php _e( 'Sub Total:', 'invoicing' );?></td>
-                                    <td class="total"><?php echo $subtotal;?></td>
+                                    <td class="name"><?php _e('Sub Total:', 'invoicing'); ?></td>
+                                    <td class="total"><?php echo $subtotal; ?></td>
                                     <td class="action"></td>
                                 </tr>
                                 <tr class="discount">
-                                    <td class="name"><?php wpinv_get_discount_label( wpinv_discount_code( $invoice->ID ) ); ?>:</td>
-                                    <td class="total"><?php echo wpinv_discount( $invoice->ID, true, true ); ?></td>
+                                    <td class="name"><?php wpinv_get_discount_label(wpinv_discount_code($invoice->ID)); ?>:</td>
+                                    <td class="total"><?php echo wpinv_discount($invoice->ID, true, true); ?></td>
                                     <td class="action"></td>
                                 </tr>
-                                <?php if ( $use_taxes ) { ?>
+                                <?php if ($use_taxes) { ?>
                                 <tr class="tax">
-                                    <td class="name"><?php _e( 'Tax:', 'invoicing' );?></td>
-                                    <td class="total"><?php echo $tax;?></td>
+                                    <td class="name"><?php _e('Tax:', 'invoicing'); ?></td>
+                                    <td class="total"><?php echo $tax; ?></td>
                                     <td class="action"></td>
                                 </tr>
                                 <?php } ?>
                                 <tr class="total">
-                                    <td class="name"><?php echo apply_filters( 'wpinv_invoice_items_total_label', __( 'Invoice Total:', 'invoicing' ), $invoice );?></td>
-                                    <td class="total"><?php echo $total;?></td>
+                                    <td class="name"><?php echo apply_filters('wpinv_invoice_items_total_label', __('Invoice Total:', 'invoicing'), $invoice); ?></td>
+                                    <td class="total"><?php echo $total; ?></td>
                                     <td class="action"></td>
                                 </tr>
                             </table>
@@ -180,89 +180,89 @@ 
             </table>
             <div class="wpinv-actions">
                 <?php
-                    if ( !$invoice->is_paid() ) {
-                    if ( !$invoice->is_recurring() ) {
-                    echo wpinv_item_dropdown( array(
+                    if (!$invoice->is_paid()) {
+                    if (!$invoice->is_recurring()) {
+                    echo wpinv_item_dropdown(array(
                         'name'             => 'wpinv_invoice_item',
                         'id'               => 'wpinv_invoice_item',
                         'with_packages'    => false,
                         'show_recurring'   => true,
-                    ) );
+                    ));
                     ?>
-                <input type="button" value="<?php echo sprintf(esc_attr__( 'Add item to %s', 'invoicing'), $type_title); ?>" class="button button-primary" id="wpinv-add-item"><input type="button" value="<?php esc_attr_e( 'Create new item', 'invoicing' );?>" class="button button-primary" id="wpinv-new-item"><?php } ?><input type="button" value="<?php esc_attr_e( 'Recalculate Totals', 'invoicing' );?>" class="button button-primary wpinv-flr" id="wpinv-recalc-totals">
+                <input type="button" value="<?php echo sprintf(esc_attr__('Add item to %s', 'invoicing'), $type_title); ?>" class="button button-primary" id="wpinv-add-item"><input type="button" value="<?php esc_attr_e('Create new item', 'invoicing'); ?>" class="button button-primary" id="wpinv-new-item"><?php } ?><input type="button" value="<?php esc_attr_e('Recalculate Totals', 'invoicing'); ?>" class="button button-primary wpinv-flr" id="wpinv-recalc-totals">
                     <?php } ?>
-                <?php do_action( 'wpinv_invoice_items_actions', $invoice ); ?>
+                <?php do_action('wpinv_invoice_items_actions', $invoice); ?>
             </div>
         </div>
         <?php
     }
     
-    public static function prices( $post ) {        
+    public static function prices($post) {        
         $symbol         = wpinv_currency_symbol();
         $position       = wpinv_currency_position();
-        $item           = new WPInv_Item( $post->ID );
+        $item           = new WPInv_Item($post->ID);
         
         $price          = $item->get_price();
         $is_recurring   = $item->is_recurring();
         $period         = $item->get_recurring_period();
-        $interval       = absint( $item->get_recurring_interval() );
-        $times          = absint( $item->get_recurring_limit() );
+        $interval       = absint($item->get_recurring_interval());
+        $times          = absint($item->get_recurring_limit());
         $free_trial     = $item->has_free_trial();
         $trial_interval = $item->get_trial_interval();
         $trial_period   = $item->get_trial_period();
         
         $intervals      = array();
-        for ( $i = 1; $i <= 90; $i++ ) {
+        for ($i = 1; $i <= 90; $i++) {
             $intervals[$i] = $i;
         }
         
-        $interval       = $interval > 0 ? $interval : 1;
+        $interval = $interval > 0 ? $interval : 1;
         
         $class = $is_recurring ? 'wpinv-recurring-y' : 'wpinv-recurring-n';
         ?>
-        <p class="wpinv-row-prices"><?php echo ( $position != 'right' ? $symbol . '&nbsp;' : '' );?><input type="text" maxlength="12" placeholder="<?php echo wpinv_sanitize_amount( 0 ); ?>" value="<?php echo $price;?>" id="wpinv_item_price" name="wpinv_item_price" class="medium-text wpi-field-price wpi-price" <?php disabled( $item->is_package(), true ); ?> /><?php echo ( $position == 'right' ? '&nbsp;' . $symbol : '' );?><input type="hidden" name="wpinv_vat_meta_box_nonce" value="<?php echo wp_create_nonce( 'wpinv_item_meta_box_save' ) ;?>" />
-        <?php if ( $item->is_package() ) { ?>
-        <span class="description"><?php _e( 'GD package item price can be edited only from GD payment manager.', 'invoicing' ); ?></span>
+        <p class="wpinv-row-prices"><?php echo ($position != 'right' ? $symbol . '&nbsp;' : ''); ?><input type="text" maxlength="12" placeholder="<?php echo wpinv_sanitize_amount(0); ?>" value="<?php echo $price; ?>" id="wpinv_item_price" name="wpinv_item_price" class="medium-text wpi-field-price wpi-price" <?php disabled($item->is_package(), true); ?> /><?php echo ($position == 'right' ? '&nbsp;' . $symbol : ''); ?><input type="hidden" name="wpinv_vat_meta_box_nonce" value="<?php echo wp_create_nonce('wpinv_item_meta_box_save'); ?>" />
+        <?php if ($item->is_package()) { ?>
+        <span class="description"><?php _e('GD package item price can be edited only from GD payment manager.', 'invoicing'); ?></span>
         <?php } ?>
         </p>
         <p class="wpinv-row-is-recurring">
             <label for="wpinv_is_recurring">
-                <input type="checkbox" name="wpinv_is_recurring" id="wpinv_is_recurring" value="1" <?php checked( 1, $is_recurring ); ?> />
-                <?php echo apply_filters( 'wpinv_is_recurring_toggle_text', __( 'Is Recurring Item?', 'invoicing' ) ); ?>
+                <input type="checkbox" name="wpinv_is_recurring" id="wpinv_is_recurring" value="1" <?php checked(1, $is_recurring); ?> />
+                <?php echo apply_filters('wpinv_is_recurring_toggle_text', __('Is Recurring Item?', 'invoicing')); ?>
             </label>
         </p>
-        <p class="wpinv-row-recurring-fields <?php echo $class;?>">
-                <label class="wpinv-period" for="wpinv_recurring_period"><?php _e( 'Recurring', 'invoicing' );?> <select class="wpinv-select " id="wpinv_recurring_period" name="wpinv_recurring_period"><option value="D" data-text="<?php esc_attr_e( 'day(s)', 'invoicing' ); ?>" <?php selected( 'D', $period );?>><?php _e( 'Daily', 'invoicing' ); ?></option><option value="W" data-text="<?php esc_attr_e( 'week(s)', 'invoicing' ); ?>" <?php selected( 'W', $period );?>><?php _e( 'Weekly', 'invoicing' ); ?></option><option value="M" data-text="<?php esc_attr_e( 'month(s)', 'invoicing' ); ?>" <?php selected( 'M', $period );?>><?php _e( 'Monthly', 'invoicing' ); ?></option><option value="Y" data-text="<?php esc_attr_e( 'year(s)', 'invoicing' ); ?>" <?php selected( 'Y', $period );?>><?php _e( 'Yearly', 'invoicing' ); ?></option></select></label>
-                <label class="wpinv-interval" for="wpinv_recurring_interval"> <?php _e( 'at every', 'invoicing' );?> <?php echo wpinv_html_select( array(
+        <p class="wpinv-row-recurring-fields <?php echo $class; ?>">
+                <label class="wpinv-period" for="wpinv_recurring_period"><?php _e('Recurring', 'invoicing'); ?> <select class="wpinv-select " id="wpinv_recurring_period" name="wpinv_recurring_period"><option value="D" data-text="<?php esc_attr_e('day(s)', 'invoicing'); ?>" <?php selected('D', $period); ?>><?php _e('Daily', 'invoicing'); ?></option><option value="W" data-text="<?php esc_attr_e('week(s)', 'invoicing'); ?>" <?php selected('W', $period); ?>><?php _e('Weekly', 'invoicing'); ?></option><option value="M" data-text="<?php esc_attr_e('month(s)', 'invoicing'); ?>" <?php selected('M', $period); ?>><?php _e('Monthly', 'invoicing'); ?></option><option value="Y" data-text="<?php esc_attr_e('year(s)', 'invoicing'); ?>" <?php selected('Y', $period); ?>><?php _e('Yearly', 'invoicing'); ?></option></select></label>
+                <label class="wpinv-interval" for="wpinv_recurring_interval"> <?php _e('at every', 'invoicing'); ?> <?php echo wpinv_html_select(array(
                     'options'          => $intervals,
                     'name'             => 'wpinv_recurring_interval',
                     'id'               => 'wpinv_recurring_interval',
                     'selected'         => $interval,
                     'show_option_all'  => false,
                     'show_option_none' => false
-                ) ); ?> <span id="wpinv_interval_text"><?php _e( 'day(s)', 'invoicing' );?></span></label>
-                <label class="wpinv-times" for="wpinv_recurring_limit"> <?php _e( 'for', 'invoicing' );?> <input class="small-text" type="number" value="<?php echo $times;?>" size="4" id="wpinv_recurring_limit" name="wpinv_recurring_limit" step="1" min="0"> <?php _e( 'time(s) <i>(select 0 for recurring forever until cancelled</i>)', 'invoicing' );?></label>
+                )); ?> <span id="wpinv_interval_text"><?php _e('day(s)', 'invoicing'); ?></span></label>
+                <label class="wpinv-times" for="wpinv_recurring_limit"> <?php _e('for', 'invoicing'); ?> <input class="small-text" type="number" value="<?php echo $times; ?>" size="4" id="wpinv_recurring_limit" name="wpinv_recurring_limit" step="1" min="0"> <?php _e('time(s) <i>(select 0 for recurring forever until cancelled</i>)', 'invoicing'); ?></label>
                 <span class="clear wpi-trial-clr"></span>
                 <label class="wpinv-free-trial" for="wpinv_free_trial">
-                    <input type="checkbox" name="wpinv_free_trial" id="wpinv_free_trial" value="1" <?php checked( true, (bool)$free_trial ); ?> /> 
-                    <?php echo __( 'Offer free trial for', 'invoicing' ); ?>
+                    <input type="checkbox" name="wpinv_free_trial" id="wpinv_free_trial" value="1" <?php checked(true, (bool)$free_trial); ?> /> 
+                    <?php echo __('Offer free trial for', 'invoicing'); ?>
                 </label>
                 <label class="wpinv-trial-interval" for="wpinv_trial_interval">
-                    <input class="small-text" type="number" value="<?php echo $trial_interval;?>" size="4" id="wpinv_trial_interval" name="wpinv_trial_interval" step="1" min="1"> <select class="wpinv-select" id="wpinv_trial_period" name="wpinv_trial_period"><option value="D" <?php selected( 'D', $trial_period );?>><?php _e( 'day(s)', 'invoicing' ); ?></option><option value="W" <?php selected( 'W', $trial_period );?>><?php _e( 'week(s)', 'invoicing' ); ?></option><option value="M" <?php selected( 'M', $trial_period );?>><?php _e( 'month(s)', 'invoicing' ); ?></option><option value="Y" <?php selected( 'Y', $trial_period );?>><?php _e( 'year(s)', 'invoicing' ); ?></option></select>
+                    <input class="small-text" type="number" value="<?php echo $trial_interval; ?>" size="4" id="wpinv_trial_interval" name="wpinv_trial_interval" step="1" min="1"> <select class="wpinv-select" id="wpinv_trial_period" name="wpinv_trial_period"><option value="D" <?php selected('D', $trial_period); ?>><?php _e('day(s)', 'invoicing'); ?></option><option value="W" <?php selected('W', $trial_period); ?>><?php _e('week(s)', 'invoicing'); ?></option><option value="M" <?php selected('M', $trial_period); ?>><?php _e('month(s)', 'invoicing'); ?></option><option value="Y" <?php selected('Y', $trial_period); ?>><?php _e('year(s)', 'invoicing'); ?></option></select>
                 </label>
         </p>
-        <input type="hidden" id="_wpi_current_type" value="<?php echo wpinv_get_item_type( $post->ID ); ?>" />
-        <?php do_action( 'wpinv_item_price_field', $post->ID ); ?>
+        <input type="hidden" id="_wpi_current_type" value="<?php echo wpinv_get_item_type($post->ID); ?>" />
+        <?php do_action('wpinv_item_price_field', $post->ID); ?>
         <?php
     }
     
-    public static function vat_rules( $post ) {
+    public static function vat_rules($post) {
         global $wpinv_euvat;
         
-        $rule_type = $wpinv_euvat->get_item_rule( $post->ID );
+        $rule_type = $wpinv_euvat->get_item_rule($post->ID);
         ?>
-        <p><label for="wpinv_vat_rules"><strong><?php _e( 'Select how VAT rules will be applied:', 'invoicing' );?></strong></label>&nbsp;&nbsp;&nbsp;
-        <?php echo wpinv_html_select( array(
+        <p><label for="wpinv_vat_rules"><strong><?php _e('Select how VAT rules will be applied:', 'invoicing'); ?></strong></label>&nbsp;&nbsp;&nbsp;
+        <?php echo wpinv_html_select(array(
                     'options'          => $wpinv_euvat->get_rules(),
                     'name'             => 'wpinv_vat_rules',
                     'id'               => 'wpinv_vat_rules',
@@ -270,19 +270,19 @@ 
                     'show_option_all'  => false,
                     'show_option_none' => false,
                     'class'            => 'gdmbx2-text-medium wpinv-vat-rules',
-                ) ); ?>
+                )); ?>
         </p>
-        <p class="wpi-m0"><?php _e( 'When you select physical product rules, only consumers and businesses in your country will be charged VAT.  The VAT rate used will be the rate in your country.', 'invoicing' ); ?></p>
-        <p class="wpi-m0"><?php _e( 'If you select Digital product rules, VAT will be charged at the rate that applies in the country of the consumer.  Only businesses in your country will be charged VAT.', 'invoicing' ); ?></p>
+        <p class="wpi-m0"><?php _e('When you select physical product rules, only consumers and businesses in your country will be charged VAT.  The VAT rate used will be the rate in your country.', 'invoicing'); ?></p>
+        <p class="wpi-m0"><?php _e('If you select Digital product rules, VAT will be charged at the rate that applies in the country of the consumer.  Only businesses in your country will be charged VAT.', 'invoicing'); ?></p>
         <?php
     }
     
-    public static function vat_classes( $post ) {
+    public static function vat_classes($post) {
         global $wpinv_euvat;
         
-        $vat_class = $wpinv_euvat->get_item_class( $post->ID );
+        $vat_class = $wpinv_euvat->get_item_class($post->ID);
         ?>
-        <p><?php echo wpinv_html_select( array(
+        <p><?php echo wpinv_html_select(array(
                     'options'          => $wpinv_euvat->get_all_classes(),
                     'name'             => 'wpinv_vat_class',
                     'id'               => 'wpinv_vat_class',
@@ -290,18 +290,18 @@ 
                     'show_option_all'  => false,
                     'show_option_none' => false,
                     'class'            => 'gdmbx2-text-medium wpinv-vat-class',
-                ) ); ?>
+                )); ?>
         </p>
-        <p class="wpi-m0"><?php _e( 'Select the VAT rate class to use for this invoice item.', 'invoicing' ); ?></p>
+        <p class="wpi-m0"><?php _e('Select the VAT rate class to use for this invoice item.', 'invoicing'); ?></p>
         <?php
     }
     
-    public static function item_info( $post ) {
-        $item_type = wpinv_get_item_type( $post->ID );
-        do_action( 'wpinv_item_info_metabox_before', $post );
+    public static function item_info($post) {
+        $item_type = wpinv_get_item_type($post->ID);
+        do_action('wpinv_item_info_metabox_before', $post);
         ?>
-        <p><label for="wpinv_item_type"><strong><?php _e( 'Type:', 'invoicing' );?></strong></label>&nbsp;&nbsp;&nbsp;
-        <?php echo wpinv_html_select( array(
+        <p><label for="wpinv_item_type"><strong><?php _e('Type:', 'invoicing'); ?></strong></label>&nbsp;&nbsp;&nbsp;
+        <?php echo wpinv_html_select(array(
                     'options'          => wpinv_get_item_types(),
                     'name'             => 'wpinv_item_type',
                     'id'               => 'wpinv_item_type',
@@ -310,114 +310,114 @@ 
                     'show_option_none' => false,
                     'class'            => 'gdmbx2-text-medium wpinv-item-type',
                     //'disabled'         => $item_type == 'package' ? true : false,
-                ) ); ?>
+                )); ?>
         </p>
-        <p class="wpi-m0"><?php _e( 'Select item type.', 'invoicing' );?><br><?php _e( '<b>Standard:</b> Standard item type', 'invoicing' );?><br><?php _e( '<b>Fee:</b> Like Registration Fee, Sign up Fee etc.', 'invoicing' );?></p>
+        <p class="wpi-m0"><?php _e('Select item type.', 'invoicing'); ?><br><?php _e('<b>Standard:</b> Standard item type', 'invoicing'); ?><br><?php _e('<b>Fee:</b> Like Registration Fee, Sign up Fee etc.', 'invoicing'); ?></p>
         <?php
-        do_action( 'wpinv_item_info_metabox_after', $post );
+        do_action('wpinv_item_info_metabox_after', $post);
     }
     
-    public static function meta_values( $post ) {
-        $meta_keys = apply_filters( 'wpinv_show_meta_values_for_keys', array(
+    public static function meta_values($post) {
+        $meta_keys = apply_filters('wpinv_show_meta_values_for_keys', array(
             'type',
             'custom_id'
-        ) );
+        ));
         
-        if ( empty( $meta_keys ) ) {
+        if (empty($meta_keys)) {
             return;
         }
         
-        do_action( 'wpinv_meta_values_metabox_before', $post );
+        do_action('wpinv_meta_values_metabox_before', $post);
         
-        foreach ( $meta_keys as $meta_key ) {
+        foreach ($meta_keys as $meta_key) {
             ?>
-            <p class="wpi-mtb05"><label><strong><?php echo $meta_key; ?></strong>: <?php echo get_post_meta( $post->ID, '_wpinv_' . $meta_key, true ); ?></label></p>
+            <p class="wpi-mtb05"><label><strong><?php echo $meta_key; ?></strong>: <?php echo get_post_meta($post->ID, '_wpinv_' . $meta_key, true); ?></label></p>
             <?php 
         }
         
-        do_action( 'wpinv_meta_values_metabox_after', $post );
+        do_action('wpinv_meta_values_metabox_after', $post);
     }
     
-    public static function save( $post_id, $data, $post ) {
-        $invoice        = new WPInv_Invoice( $post_id );
+    public static function save($post_id, $data, $post) {
+        $invoice        = new WPInv_Invoice($post_id);
         
         // Billing
-        $first_name     = sanitize_text_field( $data['wpinv_first_name'] );
-        $last_name      = sanitize_text_field( $data['wpinv_last_name'] );
-        $company        = sanitize_text_field( $data['wpinv_company'] );
-        $vat_number     = sanitize_text_field( $data['wpinv_vat_number'] );
-        $phone          = sanitize_text_field( $data['wpinv_phone'] );
-        $address        = sanitize_text_field( $data['wpinv_address'] );
-        $city           = sanitize_text_field( $data['wpinv_city'] );
-        $zip            = sanitize_text_field( $data['wpinv_zip'] );
-        $country        = sanitize_text_field( $data['wpinv_country'] );
-        $state          = sanitize_text_field( $data['wpinv_state'] );
+        $first_name     = sanitize_text_field($data['wpinv_first_name']);
+        $last_name      = sanitize_text_field($data['wpinv_last_name']);
+        $company        = sanitize_text_field($data['wpinv_company']);
+        $vat_number     = sanitize_text_field($data['wpinv_vat_number']);
+        $phone          = sanitize_text_field($data['wpinv_phone']);
+        $address        = sanitize_text_field($data['wpinv_address']);
+        $city           = sanitize_text_field($data['wpinv_city']);
+        $zip            = sanitize_text_field($data['wpinv_zip']);
+        $country        = sanitize_text_field($data['wpinv_country']);
+        $state          = sanitize_text_field($data['wpinv_state']);
         
         // Details
-        $status         = sanitize_text_field( $data['wpinv_status'] );
-        $old_status     = !empty( $data['original_post_status'] ) ? sanitize_text_field( $data['original_post_status'] ) : $status;
-        $number         = sanitize_text_field( $data['wpinv_number'] );
-        $due_date       = isset( $data['wpinv_due_date'] ) ? sanitize_text_field( $data['wpinv_due_date'] ) : '';
+        $status         = sanitize_text_field($data['wpinv_status']);
+        $old_status     = !empty($data['original_post_status']) ? sanitize_text_field($data['original_post_status']) : $status;
+        $number         = sanitize_text_field($data['wpinv_number']);
+        $due_date       = isset($data['wpinv_due_date']) ? sanitize_text_field($data['wpinv_due_date']) : '';
         //$discounts      = sanitize_text_field( $data['wpinv_discounts'] );
         //$discount       = sanitize_text_field( $data['wpinv_discount'] );
         
-        $ip             = $invoice->get_ip() ? $invoice->get_ip() : wpinv_get_ip();
+        $ip = $invoice->get_ip() ? $invoice->get_ip() : wpinv_get_ip();
         
-        $invoice->set( 'due_date', $due_date );
-        $invoice->set( 'first_name', $first_name );
-        $invoice->set( 'last_name', $last_name );
-        $invoice->set( 'company', $company );
-        $invoice->set( 'vat_number', $vat_number );
-        $invoice->set( 'phone', $phone );
-        $invoice->set( 'address', $address );
-        $invoice->set( 'city', $city );
-        $invoice->set( 'zip', $zip );
-        $invoice->set( 'country', $country );
-        $invoice->set( 'state', $state );
-        $invoice->set( 'status', $status );
+        $invoice->set('due_date', $due_date);
+        $invoice->set('first_name', $first_name);
+        $invoice->set('last_name', $last_name);
+        $invoice->set('company', $company);
+        $invoice->set('vat_number', $vat_number);
+        $invoice->set('phone', $phone);
+        $invoice->set('address', $address);
+        $invoice->set('city', $city);
+        $invoice->set('zip', $zip);
+        $invoice->set('country', $country);
+        $invoice->set('state', $state);
+        $invoice->set('status', $status);
         //$invoice->set( 'number', $number );
         //$invoice->set( 'discounts', $discounts );
         //$invoice->set( 'discount', $discount );
-        $invoice->set( 'ip', $ip );
+        $invoice->set('ip', $ip);
         $invoice->old_status = $_POST['original_post_status'];
         $invoice->currency = wpinv_get_currency();
-        if ( !empty( $data['wpinv_gateway'] ) ) {
-            $invoice->set( 'gateway', sanitize_text_field( $data['wpinv_gateway'] ) );
+        if (!empty($data['wpinv_gateway'])) {
+            $invoice->set('gateway', sanitize_text_field($data['wpinv_gateway']));
         }
         $saved = $invoice->save();
         
         // Check for payment notes
-        if ( !empty( $data['invoice_note'] ) ) {
-            $note               = wp_kses( $data['invoice_note'], array() );
-            $note_type          = sanitize_text_field( $data['invoice_note_type'] );
+        if (!empty($data['invoice_note'])) {
+            $note               = wp_kses($data['invoice_note'], array());
+            $note_type          = sanitize_text_field($data['invoice_note_type']);
             $is_customer_note   = $note_type == 'customer' ? 1 : 0;
         
-            wpinv_insert_payment_note( $invoice->ID, $note, $is_customer_note );
+            wpinv_insert_payment_note($invoice->ID, $note, $is_customer_note);
         }
         
         // Update user address if empty.
-        if ( $saved && !empty( $invoice ) ) {
-            if ( $user_id = $invoice->get_user_id() ) {
-                $user_address = wpinv_get_user_address( $user_id, false );
+        if ($saved && !empty($invoice)) {
+            if ($user_id = $invoice->get_user_id()) {
+                $user_address = wpinv_get_user_address($user_id, false);
                 
                 if (empty($user_address['first_name'])) {
-                    update_user_meta( $user_id, '_wpinv_first_name', $first_name );
-                    update_user_meta( $user_id, '_wpinv_last_name', $last_name );
+                    update_user_meta($user_id, '_wpinv_first_name', $first_name);
+                    update_user_meta($user_id, '_wpinv_last_name', $last_name);
                 } else if (empty($user_address['last_name']) && $user_address['first_name'] == $first_name) {
-                    update_user_meta( $user_id, '_wpinv_last_name', $last_name );
+                    update_user_meta($user_id, '_wpinv_last_name', $last_name);
                 }
                 
                 if (empty($user_address['address']) || empty($user_address['city']) || empty($user_address['state']) || empty($user_address['country'])) {
-                    update_user_meta( $user_id, '_wpinv_address', $address );
-                    update_user_meta( $user_id, '_wpinv_city', $city );
-                    update_user_meta( $user_id, '_wpinv_state', $state );
-                    update_user_meta( $user_id, '_wpinv_country', $country );
-                    update_user_meta( $user_id, '_wpinv_zip', $zip );
-                    update_user_meta( $user_id, '_wpinv_phone', $phone );
+                    update_user_meta($user_id, '_wpinv_address', $address);
+                    update_user_meta($user_id, '_wpinv_city', $city);
+                    update_user_meta($user_id, '_wpinv_state', $state);
+                    update_user_meta($user_id, '_wpinv_country', $country);
+                    update_user_meta($user_id, '_wpinv_zip', $zip);
+                    update_user_meta($user_id, '_wpinv_phone', $phone);
                 }
             }
             
-            do_action( 'wpinv_invoice_metabox_saved', $invoice );
+            do_action('wpinv_invoice_metabox_saved', $invoice);
         }
         
         return $saved;