AyeCode / invoicing

includes/class-wpinv-reports.php

Indentation +5 added lines, -5 removed lines

@@ -166,13 +166,13 @@
             $is_writeable   = $is_dir && is_writeable( $this->export_dir );
             
             if ( $is_dir && $is_writeable ) {
-               return true;
+                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' ), $this->export_dir );
-               }
+                if ( !$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;
+                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 );

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

Indentation +1 added lines, -1 removed lines

@@ -437,7 +437,7 @@
 }
 
 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 ) {

Doc Comments +28 added lines, -1 removed lines

@@ -31,6 +31,9 @@ 
     return apply_filters( 'wpinv_get_ip', $ip );
 }
 
+/**
+ * @return string
+ */
 function wpinv_get_user_agent() {
     if ( ! empty( $_SERVER['HTTP_USER_AGENT'] ) ) {
         $user_agent = sanitize_text_field( $_SERVER['HTTP_USER_AGENT'] );
@@ -41,6 +44,9 @@ 
     return apply_filters( 'wpinv_get_user_agent', $user_agent );
 }
 
+/**
+ * @param integer $decimals
+ */
 function wpinv_sanitize_amount( $amount, $decimals = NULL ) {
     $is_negative   = false;
     $thousands_sep = wpinv_thousands_separator();
@@ -79,6 +85,9 @@ 
 }
 add_filter( 'wpinv_sanitize_amount_decimals', 'wpinv_currency_decimal_filter', 10, 1 );
 
+/**
+ * @param integer $decimals
+ */
 function wpinv_round_amount( $amount, $decimals = NULL ) {
     if ( $decimals === NULL ) {
         $decimals = wpinv_decimals();
@@ -117,6 +126,9 @@ 
     return $status;
 }
 
+/**
+ * @return string
+ */
 function wpinv_get_currency() {
     $currency = wpinv_get_option( 'currency', 'USD' );
     
@@ -187,6 +199,9 @@ 
     return apply_filters( 'wpinv_currency_symbol', $currency_symbol, $currency );
 }
 
+/**
+ * @return string
+ */
 function wpinv_currency_position() {
     $position = wpinv_get_option( 'currency_position', 'left' );
     
@@ -315,6 +330,9 @@ 
     return $price;
 }
 
+/**
+ * @return string
+ */
 function wpinv_format_amount( $amount, $decimals = NULL, $calculate = false ) {
     $thousands_sep = wpinv_thousands_separator();
     $decimal_sep   = wpinv_decimal_separator();
@@ -365,6 +383,9 @@ 
     return apply_filters( 'wpinv_sanitize_key', $key, $raw_key );
 }
 
+/**
+ * @return string
+ */
 function wpinv_get_file_extension( $str ) {
     $parts = explode( '.', $str );
     return end( $parts );
@@ -569,6 +590,9 @@ 
     return strlen( $str );
 }
 
+/**
+ * @param string $str
+ */
 function wpinv_utf8_strtolower( $str, $encoding = 'UTF-8' ) {
     if ( function_exists( 'mb_strtolower' ) ) {
         return mb_strtolower( $str, $encoding );
@@ -577,6 +601,9 @@ 
     return strtolower( $str );
 }
 
+/**
+ * @param string $str
+ */
 function wpinv_utf8_strtoupper( $str, $encoding = 'UTF-8' ) {
     if ( function_exists( 'mb_strtoupper' ) ) {
         return mb_strtoupper( $str, $encoding );
@@ -654,7 +681,7 @@ 
  *
  * @param string $str The string being decoded.
  * @param string $encoding The encoding parameter is the character encoding. Default "UTF-8".
- * @return string The width of string.
+ * @return integer The width of string.
  */
 function wpinv_utf8_strwidth( $str, $encoding = 'UTF-8' ) {
     if ( function_exists( 'mb_strwidth' ) ) {

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-invoice.php

Braces +3 added lines, -2 removed lines

@@ -971,8 +971,9 @@
             return false;
         }
 
-        if ( empty( $this->ID ) )
-            return false;
+        if ( empty( $this->ID ) ) {
+                    return false;
+        }
         
         if ( ( ( is_user_logged_in() && current_user_can( 'manage_options' ) ) || $added_by_user ) && !$system ) {
             $user                 = get_user_by( 'id', get_current_user_id() );

Doc Comments +36 added lines

@@ -83,6 +83,9 @@ 
         return $value;
     }
 
+    /**
+     * @param string $key
+     */
     public function set( $key, $value ) {
         $ignore = array( 'items', 'cart_details', 'fees', '_ID' );
 
@@ -916,6 +919,9 @@ 
         return $removed;
     }
 
+    /**
+     * @param string $key
+     */
     public function remove_fee_by( $key, $value, $global = false ) {
         $allowed_fee_keys = apply_filters( 'wpinv_fee_keys', array(
             'index', 'label', 'amount', 'type',
@@ -1375,6 +1381,9 @@ 
         return apply_filters( 'wpinv_get_invoice_final_total', $final_total, $this, $currency );
     }
     
+    /**
+     * @return boolean
+     */
     public function get_discounts( $array = false ) {
         $discounts = $this->discounts;
         if ( $array && $discounts ) {
@@ -1383,6 +1392,9 @@ 
         return apply_filters( 'wpinv_payment_discounts', $discounts, $this->ID, $this, $array );
     }
     
+    /**
+     * @return string
+     */
     public function get_discount( $currency = false, $dash = false ) {
         if ( !empty( $this->discounts ) ) {
             global $ajax_cart_details;
@@ -1479,10 +1491,16 @@ 
         return apply_filters( 'wpinv_user_full_name', $this->full_name, $this->ID, $this );
     }
     
+    /**
+     * @return string
+     */
     public function get_user_info() {
         return apply_filters( 'wpinv_user_info', $this->user_info, $this->ID, $this );
     }
     
+    /**
+     * @return string
+     */
     public function get_email() {
         return apply_filters( 'wpinv_user_email', $this->email, $this->ID, $this );
     }
@@ -1525,10 +1543,16 @@ 
         return apply_filters( 'wpinv_currency_code', $this->currency, $this->ID, $this );
     }
     
+    /**
+     * @return string
+     */
     public function get_created_date() {
         return apply_filters( 'wpinv_created_date', $this->date, $this->ID, $this );
     }
     
+    /**
+     * @return string
+     */
     public function get_due_date( $display = false ) {
         $due_date = apply_filters( 'wpinv_due_date', $this->due_date, $this->ID, $this );
         
@@ -2081,6 +2105,9 @@ 
         return apply_filters( 'wpinv_invoice_get_subscription_name', $name, $this );
     }
         
+    /**
+     * @return string
+     */
     public function get_expiration() {
         $expiration = $this->get_meta( '_wpinv_subscr_expiration', true );
         return $expiration;
@@ -2096,6 +2123,9 @@ 
         return $cancelled_date;
     }
     
+    /**
+     * @return string
+     */
     public function get_trial_end_date( $formatted = true ) {
         if ( !$this->is_free_trial() || !$this->is_paid() ) {
             return NULL;
@@ -2117,6 +2147,9 @@ 
         return $trial_end_date;
     }
     
+    /**
+     * @return string
+     */
     public function get_subscription_created( $default = true ) {
         $created = $this->get_meta( '_wpinv_subscr_created', true );
         
@@ -2126,6 +2159,9 @@ 
         return $created;
     }
     
+    /**
+     * @return string
+     */
     public function get_subscription_start( $formatted = true ) {
         if ( !$this->is_paid() ) {
             return '-';

Spacing +797 added lines, -797 removed lines

@@ -7,12 +7,12 @@ 
  */
  
 // 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__));
 }
 
 final class WPInv_Invoice {
-    public $ID  = 0;
+    public $ID = 0;
     public $title;
     public $post_type;
     
@@ -65,17 +65,17 @@ 
     public $full_name = '';
     public $parent_invoice = 0;
     
-    public function __construct( $invoice_id = false ) {
-        if( empty( $invoice_id ) ) {
+    public function __construct($invoice_id = false) {
+        if (empty($invoice_id)) {
             return false;
         }
 
-        $this->setup_invoice( $invoice_id );
+        $this->setup_invoice($invoice_id);
     }
 
-    public function get( $key ) {
-        if ( method_exists( $this, 'get_' . $key ) ) {
-            $value = call_user_func( array( $this, 'get_' . $key ) );
+    public function get($key) {
+        if (method_exists($this, 'get_' . $key)) {
+            $value = call_user_func(array($this, 'get_' . $key));
         } else {
             $value = $this->$key;
         }
@@ -83,51 +83,51 @@ 
         return $value;
     }
 
-    public function set( $key, $value ) {
-        $ignore = array( 'items', 'cart_details', 'fees', '_ID' );
+    public function set($key, $value) {
+        $ignore = array('items', 'cart_details', 'fees', '_ID');
 
-        if ( $key === 'status' ) {
+        if ($key === 'status') {
             $this->old_status = $this->status;
         }
 
-        if ( ! in_array( $key, $ignore ) ) {
-            $this->pending[ $key ] = $value;
+        if (!in_array($key, $ignore)) {
+            $this->pending[$key] = $value;
         }
 
-        if( '_ID' !== $key ) {
+        if ('_ID' !== $key) {
             $this->$key = $value;
         }
     }
 
-    public function _isset( $name ) {
-        if ( property_exists( $this, $name) ) {
-            return false === empty( $this->$name );
+    public function _isset($name) {
+        if (property_exists($this, $name)) {
+            return false === empty($this->$name);
         } else {
             return null;
         }
     }
 
-    private function setup_invoice( $invoice_id ) {
+    private function setup_invoice($invoice_id) {
         $this->pending = array();
 
-        if ( empty( $invoice_id ) ) {
+        if (empty($invoice_id)) {
             return false;
         }
 
-        $invoice = get_post( $invoice_id );
+        $invoice = get_post($invoice_id);
 
-        if( !$invoice || is_wp_error( $invoice ) ) {
+        if (!$invoice || is_wp_error($invoice)) {
             return false;
         }
 
-        if( !('wpi_invoice' == $invoice->post_type OR 'wpi_quote' == $invoice->post_type) ) {
+        if (!('wpi_invoice' == $invoice->post_type OR 'wpi_quote' == $invoice->post_type)) {
             return false;
         }
 
-        do_action( 'wpinv_pre_setup_invoice', $this, $invoice_id );
+        do_action('wpinv_pre_setup_invoice', $this, $invoice_id);
         
         // Primary Identifier
-        $this->ID              = absint( $invoice_id );
+        $this->ID              = absint($invoice_id);
         $this->post_type       = $invoice->post_type;
         
         // We have a payment, get the generic payment_meta item to reduce calls to it
@@ -139,7 +139,7 @@ 
         $this->post_status     = $this->status;
         $this->mode            = $this->setup_mode();
         $this->parent_invoice  = $invoice->post_parent;
-        $this->post_name       = $this->setup_post_name( $invoice );
+        $this->post_name       = $this->setup_post_name($invoice);
         $this->status_nicename = $this->setup_status_nicename($invoice->post_status);
 
         // Items
@@ -161,8 +161,8 @@ 
         
         // User based
         $this->ip              = $this->setup_ip();
-        $this->user_id         = !empty( $invoice->post_author ) ? $invoice->post_author : get_current_user_id();///$this->setup_user_id();
-        $this->email           = get_the_author_meta( 'email', $this->user_id );
+        $this->user_id         = !empty($invoice->post_author) ? $invoice->post_author : get_current_user_id(); ///$this->setup_user_id();
+        $this->email           = get_the_author_meta('email', $this->user_id);
         
         $this->user_info       = $this->setup_user_info();
                 
@@ -171,7 +171,7 @@ 
         $this->company         = $this->user_info['company'];
         $this->vat_number      = $this->user_info['vat_number'];
         $this->vat_rate        = $this->user_info['vat_rate'];
-        $this->adddress_confirmed  = $this->user_info['adddress_confirmed'];
+        $this->adddress_confirmed = $this->user_info['adddress_confirmed'];
         $this->address         = $this->user_info['address'];
         $this->city            = $this->user_info['city'];
         $this->country         = $this->user_info['country'];
@@ -186,47 +186,47 @@ 
         // Other Identifiers
         $this->key             = $this->setup_invoice_key();
         $this->number          = $this->setup_invoice_number();
-        $this->title           = !empty( $invoice->post_title ) ? $invoice->post_title : $this->number;
+        $this->title           = !empty($invoice->post_title) ? $invoice->post_title : $this->number;
         
-        $this->full_name       = trim( $this->first_name . ' '. $this->last_name );
+        $this->full_name       = trim($this->first_name . ' ' . $this->last_name);
         
         // Allow extensions to add items to this object via hook
-        do_action( 'wpinv_setup_invoice', $this, $invoice_id );
+        do_action('wpinv_setup_invoice', $this, $invoice_id);
 
         return true;
     }
     
     private function setup_status_nicename($status) {
-        $all_invoice_statuses  = wpinv_get_invoice_statuses();
-        $status   = isset( $all_invoice_statuses[$status] ) ? $all_invoice_statuses[$status] : __( $status, 'invoicing' );
+        $all_invoice_statuses = wpinv_get_invoice_statuses();
+        $status = isset($all_invoice_statuses[$status]) ? $all_invoice_statuses[$status] : __($status, 'invoicing');
 
-        return apply_filters( 'setup_status_nicename', $status );
+        return apply_filters('setup_status_nicename', $status);
     }
     
-    private function setup_post_name( $post = NULL ) {
+    private function setup_post_name($post = NULL) {
         $post_name = '';
         
-        if ( !empty( $post ) ) {
-            if( !empty( $post->post_name ) ) {
+        if (!empty($post)) {
+            if (!empty($post->post_name)) {
                 $post_name = $post->post_name;
-            } else if ( !empty( $post->ID ) && !empty( $post->post_title ) ) {
-                $post_name = sanitize_title( $post->post_title );
+            } else if (!empty($post->ID) && !empty($post->post_title)) {
+                $post_name = sanitize_title($post->post_title);
                 
                 global $wpdb;
-                $wpdb->update( $wpdb->posts, array( 'post_name' => $post_name ), array( 'ID' => $post->ID ) );
+                $wpdb->update($wpdb->posts, array('post_name' => $post_name), array('ID' => $post->ID));
             }
         }
 
-        $this->post_name   = $post_name;
+        $this->post_name = $post_name;
     }
     
     private function setup_due_date() {
-        $due_date = $this->get_meta( '_wpinv_due_date' );
+        $due_date = $this->get_meta('_wpinv_due_date');
         
-        if ( empty( $due_date ) ) {
-            $overdue_time = strtotime( $this->date ) + ( DAY_IN_SECONDS * absint( wpinv_get_option( 'overdue_days' ) ) );
-            $due_date = date_i18n( 'Y-m-d', $overdue_time );
-        } else if ( $due_date == 'none' ) {
+        if (empty($due_date)) {
+            $overdue_time = strtotime($this->date) + (DAY_IN_SECONDS * absint(wpinv_get_option('overdue_days')));
+            $due_date = date_i18n('Y-m-d', $overdue_time);
+        } else if ($due_date == 'none') {
             $due_date = '';
         }
         
@@ -234,63 +234,63 @@ 
     }
     
     private function setup_completed_date() {
-        $invoice = get_post( $this->ID );
+        $invoice = get_post($this->ID);
 
-        if ( 'pending' == $invoice->post_status || 'preapproved' == $invoice->post_status ) {
+        if ('pending' == $invoice->post_status || 'preapproved' == $invoice->post_status) {
             return false; // This invoice was never paid
         }
 
-        $date = ( $date = $this->get_meta( '_wpinv_completed_date', true ) ) ? $date : $invoice->modified_date;
+        $date = ($date = $this->get_meta('_wpinv_completed_date', true)) ? $date : $invoice->modified_date;
 
         return $date;
     }
     
     private function setup_cart_details() {
-        $cart_details = isset( $this->payment_meta['cart_details'] ) ? maybe_unserialize( $this->payment_meta['cart_details'] ) : array();
+        $cart_details = isset($this->payment_meta['cart_details']) ? maybe_unserialize($this->payment_meta['cart_details']) : array();
         return $cart_details;
     }
     
     public function array_convert() {
-        return get_object_vars( $this );
+        return get_object_vars($this);
     }
     
     private function setup_items() {
-        $items = isset( $this->payment_meta['items'] ) ? maybe_unserialize( $this->payment_meta['items'] ) : array();
+        $items = isset($this->payment_meta['items']) ? maybe_unserialize($this->payment_meta['items']) : array();
         return $items;
     }
     
     private function setup_fees() {
-        $payment_fees = isset( $this->payment_meta['fees'] ) ? $this->payment_meta['fees'] : array();
+        $payment_fees = isset($this->payment_meta['fees']) ? $this->payment_meta['fees'] : array();
         return $payment_fees;
     }
         
     private function setup_currency() {
-        $currency = isset( $this->payment_meta['currency'] ) ? $this->payment_meta['currency'] : apply_filters( 'wpinv_currency_default', wpinv_get_currency(), $this );
+        $currency = isset($this->payment_meta['currency']) ? $this->payment_meta['currency'] : apply_filters('wpinv_currency_default', wpinv_get_currency(), $this);
         return $currency;
     }
     
     private function setup_discount() {
         //$discount = $this->get_meta( '_wpinv_discount', true );
-        $discount = (float)$this->subtotal - ( (float)$this->total - (float)$this->tax - (float)$this->fees_total );
-        if ( $discount < 0 ) {
+        $discount = (float)$this->subtotal - ((float)$this->total - (float)$this->tax - (float)$this->fees_total);
+        if ($discount < 0) {
             $discount = 0;
         }
-        $discount = wpinv_round_amount( $discount );
+        $discount = wpinv_round_amount($discount);
         
         return $discount;
     }
     
     private function setup_discount_code() {
-        $discount_code = !empty( $this->discounts ) ? $this->discounts : $this->get_meta( '_wpinv_discount_code', true );
+        $discount_code = !empty($this->discounts) ? $this->discounts : $this->get_meta('_wpinv_discount_code', true);
         return $discount_code;
     }
     
     private function setup_tax() {
-        $tax = $this->get_meta( '_wpinv_tax', true );
+        $tax = $this->get_meta('_wpinv_tax', true);
 
         // We don't have tax as it's own meta and no meta was passed
-        if ( '' === $tax ) {            
-            $tax = isset( $this->payment_meta['tax'] ) ? $this->payment_meta['tax'] : 0;
+        if ('' === $tax) {            
+            $tax = isset($this->payment_meta['tax']) ? $this->payment_meta['tax'] : 0;
         }
 
         return $tax;
@@ -300,9 +300,9 @@ 
         $subtotal     = 0;
         $cart_details = $this->cart_details;
 
-        if ( is_array( $cart_details ) ) {
-            foreach ( $cart_details as $item ) {
-                if ( isset( $item['subtotal'] ) ) {
+        if (is_array($cart_details)) {
+            foreach ($cart_details as $item) {
+                if (isset($item['subtotal'])) {
                     $subtotal += $item['subtotal'];
                 }
             }
@@ -316,18 +316,18 @@ 
     }
     
     private function setup_discounts() {
-        $discounts = ! empty( $this->payment_meta['user_info']['discount'] ) ? $this->payment_meta['user_info']['discount'] : array();
+        $discounts = !empty($this->payment_meta['user_info']['discount']) ? $this->payment_meta['user_info']['discount'] : array();
         return $discounts;
     }
     
     private function setup_total() {
-        $amount = $this->get_meta( '_wpinv_total', true );
+        $amount = $this->get_meta('_wpinv_total', true);
 
-        if ( empty( $amount ) && '0.00' != $amount ) {
-            $meta   = $this->get_meta( '_wpinv_payment_meta', true );
-            $meta   = maybe_unserialize( $meta );
+        if (empty($amount) && '0.00' != $amount) {
+            $meta   = $this->get_meta('_wpinv_payment_meta', true);
+            $meta   = maybe_unserialize($meta);
 
-            if ( isset( $meta['amount'] ) ) {
+            if (isset($meta['amount'])) {
                 $amount = $meta['amount'];
             }
         }
@@ -336,13 +336,13 @@ 
     }
     
     private function setup_mode() {
-        return $this->get_meta( '_wpinv_mode' );
+        return $this->get_meta('_wpinv_mode');
     }
 
     private function setup_gateway() {
-        $gateway = $this->get_meta( '_wpinv_gateway' );
+        $gateway = $this->get_meta('_wpinv_gateway');
         
-        if ( empty( $gateway ) && 'publish' === $this->status ) {
+        if (empty($gateway) && 'publish' === $this->status) {
             $gateway = 'manual';
         }
         
@@ -350,23 +350,23 @@ 
     }
     
     private function setup_gateway_title() {
-        $gateway_title = wpinv_get_gateway_checkout_label( $this->gateway );
+        $gateway_title = wpinv_get_gateway_checkout_label($this->gateway);
         return $gateway_title;
     }
 
     private function setup_transaction_id() {
-        $transaction_id = $this->get_meta( '_wpinv_transaction_id' );
+        $transaction_id = $this->get_meta('_wpinv_transaction_id');
 
-        if ( empty( $transaction_id ) || (int) $transaction_id === (int) $this->ID ) {
+        if (empty($transaction_id) || (int)$transaction_id === (int)$this->ID) {
             $gateway        = $this->gateway;
-            $transaction_id = apply_filters( 'wpinv_get_invoice_transaction_id-' . $gateway, $this->ID );
+            $transaction_id = apply_filters('wpinv_get_invoice_transaction_id-' . $gateway, $this->ID);
         }
 
         return $transaction_id;
     }
 
     private function setup_ip() {
-        $ip = $this->get_meta( '_wpinv_user_ip' );
+        $ip = $this->get_meta('_wpinv_user_ip');
         return $ip;
     }
 
@@ -376,62 +376,62 @@ 
     ///}
         
     private function setup_first_name() {
-        $first_name = $this->get_meta( '_wpinv_first_name' );
+        $first_name = $this->get_meta('_wpinv_first_name');
         return $first_name;
     }
     
     private function setup_last_name() {
-        $last_name = $this->get_meta( '_wpinv_last_name' );
+        $last_name = $this->get_meta('_wpinv_last_name');
         return $last_name;
     }
     
     private function setup_company() {
-        $company = $this->get_meta( '_wpinv_company' );
+        $company = $this->get_meta('_wpinv_company');
         return $company;
     }
     
     private function setup_vat_number() {
-        $vat_number = $this->get_meta( '_wpinv_vat_number' );
+        $vat_number = $this->get_meta('_wpinv_vat_number');
         return $vat_number;
     }
     
     private function setup_vat_rate() {
-        $vat_rate = $this->get_meta( '_wpinv_vat_rate' );
+        $vat_rate = $this->get_meta('_wpinv_vat_rate');
         return $vat_rate;
     }
     
     private function setup_adddress_confirmed() {
-        $adddress_confirmed = $this->get_meta( '_wpinv_adddress_confirmed' );
+        $adddress_confirmed = $this->get_meta('_wpinv_adddress_confirmed');
         return $adddress_confirmed;
     }
     
     private function setup_phone() {
-        $phone = $this->get_meta( '_wpinv_phone' );
+        $phone = $this->get_meta('_wpinv_phone');
         return $phone;
     }
     
     private function setup_address() {
-        $address = $this->get_meta( '_wpinv_address', true );
+        $address = $this->get_meta('_wpinv_address', true);
         return $address;
     }
     
     private function setup_city() {
-        $city = $this->get_meta( '_wpinv_city', true );
+        $city = $this->get_meta('_wpinv_city', true);
         return $city;
     }
     
     private function setup_country() {
-        $country = $this->get_meta( '_wpinv_country', true );
+        $country = $this->get_meta('_wpinv_country', true);
         return $country;
     }
     
     private function setup_state() {
-        $state = $this->get_meta( '_wpinv_state', true );
+        $state = $this->get_meta('_wpinv_state', true);
         return $state;
     }
     
     private function setup_zip() {
-        $zip = $this->get_meta( '_wpinv_zip', true );
+        $zip = $this->get_meta('_wpinv_zip', true);
         return $zip;
     }
 
@@ -440,7 +440,7 @@ 
             'user_id'        => $this->user_id,
             'first_name'     => $this->first_name,
             'last_name'      => $this->last_name,
-            'email'          => get_the_author_meta( 'email', $this->user_id ),
+            'email'          => get_the_author_meta('email', $this->user_id),
             'phone'          => $this->phone,
             'address'        => $this->address,
             'city'           => $this->city,
@@ -455,12 +455,12 @@ 
         );
         
         $user_info = array();
-        if ( isset( $this->payment_meta['user_info'] ) ) {
-            $user_info = maybe_unserialize( $this->payment_meta['user_info'] );
+        if (isset($this->payment_meta['user_info'])) {
+            $user_info = maybe_unserialize($this->payment_meta['user_info']);
             
-            if ( !empty( $user_info ) && isset( $user_info['user_id'] ) && $post = get_post( $this->ID ) ) {
+            if (!empty($user_info) && isset($user_info['user_id']) && $post = get_post($this->ID)) {
                 $this->user_id = $post->post_author;
-                $this->email = get_the_author_meta( 'email', $this->user_id );
+                $this->email = get_the_author_meta('email', $this->user_id);
                 
                 $user_info['user_id'] = $this->user_id;
                 $user_info['email'] = $this->email;
@@ -469,13 +469,13 @@ 
             }
         }
         
-        $user_info    = wp_parse_args( $user_info, $defaults );
+        $user_info = wp_parse_args($user_info, $defaults);
         
         // Get the user, but only if it's been created
-        $user = get_userdata( $this->user_id );
+        $user = get_userdata($this->user_id);
         
-        if ( !empty( $user ) && $user->ID > 0 ) {
-            if ( empty( $user_info ) ) {
+        if (!empty($user) && $user->ID > 0) {
+            if (empty($user_info)) {
                 $user_info = array(
                     'user_id'    => $user->ID,
                     'first_name' => $user->first_name,
@@ -484,23 +484,23 @@ 
                     'discount'   => '',
                 );
             } else {
-                foreach ( $user_info as $key => $value ) {
-                    if ( ! empty( $value ) ) {
+                foreach ($user_info as $key => $value) {
+                    if (!empty($value)) {
                         continue;
                     }
 
-                    switch( $key ) {
+                    switch ($key) {
                         case 'user_id':
-                            $user_info[ $key ] = $user->ID;
+                            $user_info[$key] = $user->ID;
                             break;
                         case 'first_name':
-                            $user_info[ $key ] = $user->first_name;
+                            $user_info[$key] = $user->first_name;
                             break;
                         case 'last_name':
-                            $user_info[ $key ] = $user->last_name;
+                            $user_info[$key] = $user->last_name;
                             break;
                         case 'email':
-                            $user_info[ $key ] = $user->user_email;
+                            $user_info[$key] = $user->user_email;
                             break;
                     }
                 }
@@ -511,16 +511,16 @@ 
     }
 
     private function setup_invoice_key() {
-        $key = $this->get_meta( '_wpinv_key', true );
+        $key = $this->get_meta('_wpinv_key', true);
         
         return $key;
     }
 
     private function setup_invoice_number() {
-        $number = $this->get_meta( '_wpinv_number', true );
+        $number = $this->get_meta('_wpinv_number', true);
 
-        if ( !$number ) {
-            $number = wpinv_format_invoice_number( $this->ID );
+        if (!$number) {
+            $number = wpinv_format_invoice_number($this->ID);
         }
 
         return $number;
@@ -531,18 +531,18 @@ 
 
         if ($number = $this->get_number()) {
             $invoice_title = $number;
-        } else if ( ! empty( $this->ID ) ) {
-            $invoice_title = wpinv_format_invoice_number( $this->ID );
+        } else if (!empty($this->ID)) {
+            $invoice_title = wpinv_format_invoice_number($this->ID);
         } else {
-            $invoice_title = wpinv_format_invoice_number( 0 );
+            $invoice_title = wpinv_format_invoice_number(0);
         }
 
-        if ( empty( $this->key ) ) {
+        if (empty($this->key)) {
             $this->key = self::generate_key();
             $this->pending['key'] = $this->key;
         }
 
-        if ( empty( $this->ip ) ) {
+        if (empty($this->ip)) {
             $this->ip = wpinv_get_ip();
             $this->pending['ip'] = $this->ip;
         }
@@ -574,75 +574,75 @@ 
             'fees'         => $this->fees,
         );
         
-        $post_name      = sanitize_title( $invoice_title );
+        $post_name = sanitize_title($invoice_title);
 
         $post_data = array(
                         'post_title'    => $invoice_title,
                         'post_status'   => $this->status,
                         'post_author'   => $this->user_id,
                         'post_type'     => $this->post_type,
-                        'post_date'     => ! empty( $this->date ) && $this->date != '0000-00-00 00:00:00' ? $this->date : current_time( 'mysql' ),
-                        'post_date_gmt' => ! empty( $this->date ) && $this->date != '0000-00-00 00:00:00' ? get_gmt_from_date( $this->date ) : current_time( 'mysql', 1 ),
+                        'post_date'     => !empty($this->date) && $this->date != '0000-00-00 00:00:00' ? $this->date : current_time('mysql'),
+                        'post_date_gmt' => !empty($this->date) && $this->date != '0000-00-00 00:00:00' ? get_gmt_from_date($this->date) : current_time('mysql', 1),
                         'post_parent'   => $this->parent_invoice,
                     );
-        $args = apply_filters( 'wpinv_insert_invoice_args', $post_data, $this );
+        $args = apply_filters('wpinv_insert_invoice_args', $post_data, $this);
 
         // Create a blank invoice
-        if ( !empty( $this->ID ) ) {
+        if (!empty($this->ID)) {
             $args['ID']         = $this->ID;
             $args['post_name']  = $post_name;
             
-            $invoice_id = wp_update_post( $args );
+            $invoice_id = wp_update_post($args);
         } else {
-            $invoice_id = wp_insert_post( $args );
+            $invoice_id = wp_insert_post($args);
             
-            $post_title = wpinv_format_invoice_number( $invoice_id );
+            $post_title = wpinv_format_invoice_number($invoice_id);
             global $wpdb;
-            $wpdb->update( $wpdb->posts, array( 'post_title' => $post_title, 'post_name' => sanitize_title( $post_title ) ), array( 'ID' => $invoice_id ) );
-            clean_post_cache( $invoice_id );
+            $wpdb->update($wpdb->posts, array('post_title' => $post_title, 'post_name' => sanitize_title($post_title)), array('ID' => $invoice_id));
+            clean_post_cache($invoice_id);
         }
 
-        if ( !empty( $invoice_id ) ) {             
+        if (!empty($invoice_id)) {             
             $this->ID  = $invoice_id;
             $this->_ID = $invoice_id;
             
             ///$this->pending['user_id'] = $this->user_id;
-            if ( isset( $this->pending['number'] ) ) {
+            if (isset($this->pending['number'])) {
                 $this->pending['number'] = $post_name;
             }
             
-            $this->payment_meta = apply_filters( 'wpinv_payment_meta', $this->payment_meta, $payment_data );
-            if ( ! empty( $this->payment_meta['fees'] ) ) {
-                $this->fees = array_merge( $this->fees, $this->payment_meta['fees'] );
-                foreach( $this->fees as $fee ) {
-                    $this->increase_fees( $fee['amount'] );
+            $this->payment_meta = apply_filters('wpinv_payment_meta', $this->payment_meta, $payment_data);
+            if (!empty($this->payment_meta['fees'])) {
+                $this->fees = array_merge($this->fees, $this->payment_meta['fees']);
+                foreach ($this->fees as $fee) {
+                    $this->increase_fees($fee['amount']);
                 }
             }
 
-            $this->update_meta( '_wpinv_payment_meta', $this->payment_meta );            
+            $this->update_meta('_wpinv_payment_meta', $this->payment_meta);            
             $this->new = true;
         }
 
         return $this->ID;
     }
 
-    public function save( $setup = false ) {
+    public function save($setup = false) {
         global $wpi_session;
         
         $saved = false;
-        if ( empty( $this->items ) ) {
+        if (empty($this->items)) {
             return $saved; // Don't save empty invoice.
         }
         
-        if ( empty( $this->key ) ) {
+        if (empty($this->key)) {
             $this->key = self::generate_key();
             $this->pending['key'] = $this->key;
         }
         
-        if ( empty( $this->ID ) ) {
+        if (empty($this->ID)) {
             $invoice_id = $this->insert_invoice();
 
-            if ( false === $invoice_id ) {
+            if (false === $invoice_id) {
                 $saved = false;
             } else {
                 $this->ID = $invoice_id;
@@ -650,27 +650,27 @@ 
         }        
 
         // If we have something pending, let's save it
-        if ( !empty( $this->pending ) ) {
+        if (!empty($this->pending)) {
             $total_increase = 0;
             $total_decrease = 0;
 
-            foreach ( $this->pending as $key => $value ) {
-                switch( $key ) {
+            foreach ($this->pending as $key => $value) {
+                switch ($key) {
                     case 'items':
                         // Update totals for pending items
-                        foreach ( $this->pending[ $key ] as $item ) {
-                            switch( $item['action'] ) {
+                        foreach ($this->pending[$key] as $item) {
+                            switch ($item['action']) {
                                 case 'add':
                                     $price = $item['price'];
                                     $taxes = $item['tax'];
 
-                                    if ( 'publish' === $this->status ) {
+                                    if ('publish' === $this->status) {
                                         $total_increase += $price;
                                     }
                                     break;
 
                                 case 'remove':
-                                    if ( 'publish' === $this->status ) {
+                                    if ('publish' === $this->status) {
                                         $total_decrease += $item['price'];
                                     }
                                     break;
@@ -678,16 +678,16 @@ 
                         }
                         break;
                     case 'fees':
-                        if ( 'publish' !== $this->status ) {
+                        if ('publish' !== $this->status) {
                             break;
                         }
 
-                        if ( empty( $this->pending[ $key ] ) ) {
+                        if (empty($this->pending[$key])) {
                             break;
                         }
 
-                        foreach ( $this->pending[ $key ] as $fee ) {
-                            switch( $fee['action'] ) {
+                        foreach ($this->pending[$key] as $fee) {
+                            switch ($fee['action']) {
                                 case 'add':
                                     $total_increase += $fee['amount'];
                                     break;
@@ -699,86 +699,86 @@ 
                         }
                         break;
                     case 'status':
-                        $this->update_status( $this->status );
+                        $this->update_status($this->status);
                         break;
                     case 'gateway':
-                        $this->update_meta( '_wpinv_gateway', $this->gateway );
+                        $this->update_meta('_wpinv_gateway', $this->gateway);
                         break;
                     case 'mode':
-                        $this->update_meta( '_wpinv_mode', $this->mode );
+                        $this->update_meta('_wpinv_mode', $this->mode);
                         break;
                     case 'transaction_id':
-                        $this->update_meta( '_wpinv_transaction_id', $this->transaction_id );
+                        $this->update_meta('_wpinv_transaction_id', $this->transaction_id);
                         break;
                     case 'ip':
-                        $this->update_meta( '_wpinv_user_ip', $this->ip );
+                        $this->update_meta('_wpinv_user_ip', $this->ip);
                         break;
                     ///case 'user_id':
                         ///$this->update_meta( '_wpinv_user_id', $this->user_id );
                         ///$this->user_info['user_id'] = $this->user_id;
                         ///break;
                     case 'first_name':
-                        $this->update_meta( '_wpinv_first_name', $this->first_name );
+                        $this->update_meta('_wpinv_first_name', $this->first_name);
                         $this->user_info['first_name'] = $this->first_name;
                         break;
                     case 'last_name':
-                        $this->update_meta( '_wpinv_last_name', $this->last_name );
+                        $this->update_meta('_wpinv_last_name', $this->last_name);
                         $this->user_info['last_name'] = $this->last_name;
                         break;
                     case 'phone':
-                        $this->update_meta( '_wpinv_phone', $this->phone );
+                        $this->update_meta('_wpinv_phone', $this->phone);
                         $this->user_info['phone'] = $this->phone;
                         break;
                     case 'address':
-                        $this->update_meta( '_wpinv_address', $this->address );
+                        $this->update_meta('_wpinv_address', $this->address);
                         $this->user_info['address'] = $this->address;
                         break;
                     case 'city':
-                        $this->update_meta( '_wpinv_city', $this->city );
+                        $this->update_meta('_wpinv_city', $this->city);
                         $this->user_info['city'] = $this->city;
                         break;
                     case 'country':
-                        $this->update_meta( '_wpinv_country', $this->country );
+                        $this->update_meta('_wpinv_country', $this->country);
                         $this->user_info['country'] = $this->country;
                         break;
                     case 'state':
-                        $this->update_meta( '_wpinv_state', $this->state );
+                        $this->update_meta('_wpinv_state', $this->state);
                         $this->user_info['state'] = $this->state;
                         break;
                     case 'zip':
-                        $this->update_meta( '_wpinv_zip', $this->zip );
+                        $this->update_meta('_wpinv_zip', $this->zip);
                         $this->user_info['zip'] = $this->zip;
                         break;
                     case 'company':
-                        $this->update_meta( '_wpinv_company', $this->company );
+                        $this->update_meta('_wpinv_company', $this->company);
                         $this->user_info['company'] = $this->company;
                         break;
                     case 'vat_number':
-                        $this->update_meta( '_wpinv_vat_number', $this->vat_number );
+                        $this->update_meta('_wpinv_vat_number', $this->vat_number);
                         $this->user_info['vat_number'] = $this->vat_number;
                         
-                        $vat_info = $wpi_session->get( 'user_vat_data' );
-                        if ( $this->vat_number && !empty( $vat_info ) && isset( $vat_info['number'] ) && isset( $vat_info['valid'] ) && $vat_info['number'] == $this->vat_number ) {
-                            $adddress_confirmed = isset( $vat_info['adddress_confirmed'] ) ? $vat_info['adddress_confirmed'] : false;
-                            $this->update_meta( '_wpinv_adddress_confirmed', (bool)$adddress_confirmed );
+                        $vat_info = $wpi_session->get('user_vat_data');
+                        if ($this->vat_number && !empty($vat_info) && isset($vat_info['number']) && isset($vat_info['valid']) && $vat_info['number'] == $this->vat_number) {
+                            $adddress_confirmed = isset($vat_info['adddress_confirmed']) ? $vat_info['adddress_confirmed'] : false;
+                            $this->update_meta('_wpinv_adddress_confirmed', (bool)$adddress_confirmed);
                             $this->user_info['adddress_confirmed'] = (bool)$adddress_confirmed;
                         }
     
                         break;
                     case 'vat_rate':
-                        $this->update_meta( '_wpinv_vat_rate', $this->vat_rate );
+                        $this->update_meta('_wpinv_vat_rate', $this->vat_rate);
                         $this->user_info['vat_rate'] = $this->vat_rate;
                         break;
                     case 'adddress_confirmed':
-                        $this->update_meta( '_wpinv_adddress_confirmed', $this->adddress_confirmed );
+                        $this->update_meta('_wpinv_adddress_confirmed', $this->adddress_confirmed);
                         $this->user_info['adddress_confirmed'] = $this->adddress_confirmed;
                         break;
                     
                     case 'key':
-                        $this->update_meta( '_wpinv_key', $this->key );
+                        $this->update_meta('_wpinv_key', $this->key);
                         break;
                     case 'number':
-                        $this->update_meta( '_wpinv_number', $this->number );
+                        $this->update_meta('_wpinv_number', $this->number);
                         break;
                     case 'date':
                         $args = array(
@@ -787,34 +787,34 @@ 
                             'edit_date' => true,
                         );
 
-                        wp_update_post( $args );
+                        wp_update_post($args);
                         break;
                     case 'due_date':
-                        if ( empty( $this->due_date ) ) {
+                        if (empty($this->due_date)) {
                             $this->due_date = 'none';
                         }
                         
-                        $this->update_meta( '_wpinv_due_date', $this->due_date );
+                        $this->update_meta('_wpinv_due_date', $this->due_date);
                         break;
                     case 'completed_date':
-                        $this->update_meta( '_wpinv_completed_date', $this->completed_date );
+                        $this->update_meta('_wpinv_completed_date', $this->completed_date);
                         break;
                     case 'discounts':
-                        if ( ! is_array( $this->discounts ) ) {
-                            $this->discounts = explode( ',', $this->discounts );
+                        if (!is_array($this->discounts)) {
+                            $this->discounts = explode(',', $this->discounts);
                         }
 
-                        $this->user_info['discount'] = implode( ',', $this->discounts );
+                        $this->user_info['discount'] = implode(',', $this->discounts);
                         break;
                         
                     //case 'tax':
                         //$this->update_meta( '_wpinv_tax', wpinv_round_amount( $this->tax ) );
                         //break;
                     case 'discount':
-                        $this->update_meta( '_wpinv_discount', wpinv_round_amount( $this->discount ) );
+                        $this->update_meta('_wpinv_discount', wpinv_round_amount($this->discount));
                         break;
                     case 'discount_code':
-                        $this->update_meta( '_wpinv_discount_code', $this->discount_code );
+                        $this->update_meta('_wpinv_discount_code', $this->discount_code);
                         break;
                     //case 'fees':
                         //$this->update_meta( '_wpinv_fees', $this->fees );
@@ -824,19 +824,19 @@ 
                             'ID'          => $this->ID,
                             'post_parent' => $this->parent_invoice,
                         );
-                        wp_update_post( $args );
+                        wp_update_post($args);
                         break;
                     default:
-                        do_action( 'wpinv_save', $this, $key );
+                        do_action('wpinv_save', $this, $key);
                         break;
                 }
             }       
 
-            $this->update_meta( '_wpinv_subtotal', wpinv_round_amount( $this->subtotal ) );
-            $this->update_meta( '_wpinv_total', wpinv_round_amount( $this->total ) );
-            $this->update_meta( '_wpinv_tax', wpinv_round_amount( $this->tax ) );
+            $this->update_meta('_wpinv_subtotal', wpinv_round_amount($this->subtotal));
+            $this->update_meta('_wpinv_total', wpinv_round_amount($this->total));
+            $this->update_meta('_wpinv_tax', wpinv_round_amount($this->tax));
             
-            $this->items    = array_values( $this->items );
+            $this->items = array_values($this->items);
             
             $new_meta = array(
                 'items'         => $this->items,
@@ -847,12 +847,12 @@ 
             );
             
             $meta        = $this->get_meta();
-            $merged_meta = array_merge( $meta, $new_meta );
+            $merged_meta = array_merge($meta, $new_meta);
 
             // Only save the payment meta if it's changed
-            if ( md5( serialize( $meta ) ) !== md5( serialize( $merged_meta) ) ) {
-                $updated     = $this->update_meta( '_wpinv_payment_meta', $merged_meta );
-                if ( false !== $updated ) {
+            if (md5(serialize($meta)) !== md5(serialize($merged_meta))) {
+                $updated = $this->update_meta('_wpinv_payment_meta', $merged_meta);
+                if (false !== $updated) {
                     $saved = true;
                 }
             }
@@ -860,15 +860,15 @@ 
             $this->pending = array();
             $saved         = true;
         } else {
-            $this->update_meta( '_wpinv_subtotal', wpinv_round_amount( $this->subtotal ) );
-            $this->update_meta( '_wpinv_total', wpinv_round_amount( $this->total ) );
-            $this->update_meta( '_wpinv_tax', wpinv_round_amount( $this->tax ) );
+            $this->update_meta('_wpinv_subtotal', wpinv_round_amount($this->subtotal));
+            $this->update_meta('_wpinv_total', wpinv_round_amount($this->total));
+            $this->update_meta('_wpinv_tax', wpinv_round_amount($this->tax));
         }
         
-        do_action( 'wpinv_invoice_save', $this, $saved );
+        do_action('wpinv_invoice_save', $this, $saved);
 
-        if ( true === $saved || $setup ) {
-            $this->setup_invoice( $this->ID );
+        if (true === $saved || $setup) {
+            $this->setup_invoice($this->ID);
         }
         
         $this->refresh_item_ids();
@@ -876,7 +876,7 @@ 
         return $saved;
     }
     
-    public function add_fee( $args, $global = true ) {
+    public function add_fee($args, $global = true) {
         $default_args = array(
             'label'       => '',
             'amount'      => 0,
@@ -886,75 +886,75 @@ 
             'item_id'     => 0,
         );
 
-        $fee = wp_parse_args( $args, $default_args );
+        $fee = wp_parse_args($args, $default_args);
         
-        if ( !empty( $fee['label'] ) ) {
+        if (!empty($fee['label'])) {
             return false;
         }
         
-        $fee['id']  = sanitize_title( $fee['label'] );
+        $fee['id'] = sanitize_title($fee['label']);
         
-        $this->fees[]               = $fee;
+        $this->fees[] = $fee;
         
         $added_fee               = $fee;
         $added_fee['action']     = 'add';
         $this->pending['fees'][] = $added_fee;
-        reset( $this->fees );
+        reset($this->fees);
 
-        $this->increase_fees( $fee['amount'] );
+        $this->increase_fees($fee['amount']);
         return true;
     }
 
-    public function remove_fee( $key ) {
+    public function remove_fee($key) {
         $removed = false;
 
-        if ( is_numeric( $key ) ) {
-            $removed = $this->remove_fee_by( 'index', $key );
+        if (is_numeric($key)) {
+            $removed = $this->remove_fee_by('index', $key);
         }
 
         return $removed;
     }
 
-    public function remove_fee_by( $key, $value, $global = false ) {
-        $allowed_fee_keys = apply_filters( 'wpinv_fee_keys', array(
+    public function remove_fee_by($key, $value, $global = false) {
+        $allowed_fee_keys = apply_filters('wpinv_fee_keys', array(
             'index', 'label', 'amount', 'type',
-        ) );
+        ));
 
-        if ( ! in_array( $key, $allowed_fee_keys ) ) {
+        if (!in_array($key, $allowed_fee_keys)) {
             return false;
         }
 
         $removed = false;
-        if ( 'index' === $key && array_key_exists( $value, $this->fees ) ) {
-            $removed_fee             = $this->fees[ $value ];
+        if ('index' === $key && array_key_exists($value, $this->fees)) {
+            $removed_fee             = $this->fees[$value];
             $removed_fee['action']   = 'remove';
             $this->pending['fees'][] = $removed_fee;
 
-            $this->decrease_fees( $removed_fee['amount'] );
+            $this->decrease_fees($removed_fee['amount']);
 
-            unset( $this->fees[ $value ] );
+            unset($this->fees[$value]);
             $removed = true;
-        } else if ( 'index' !== $key ) {
-            foreach ( $this->fees as $index => $fee ) {
-                if ( isset( $fee[ $key ] ) && $fee[ $key ] == $value ) {
+        } else if ('index' !== $key) {
+            foreach ($this->fees as $index => $fee) {
+                if (isset($fee[$key]) && $fee[$key] == $value) {
                     $removed_fee             = $fee;
                     $removed_fee['action']   = 'remove';
                     $this->pending['fees'][] = $removed_fee;
 
-                    $this->decrease_fees( $removed_fee['amount'] );
+                    $this->decrease_fees($removed_fee['amount']);
 
-                    unset( $this->fees[ $index ] );
+                    unset($this->fees[$index]);
                     $removed = true;
 
-                    if ( false === $global ) {
+                    if (false === $global) {
                         break;
                     }
                 }
             }
         }
 
-        if ( true === $removed ) {
-            $this->fees = array_values( $this->fees );
+        if (true === $removed) {
+            $this->fees = array_values($this->fees);
         }
 
         return $removed;
@@ -962,35 +962,35 @@ 
 
     
 
-    public function add_note( $note = '', $customer_type = false, $added_by_user = false, $system = false ) {
+    public function add_note($note = '', $customer_type = false, $added_by_user = false, $system = false) {
         // Bail if no note specified
-        if( !$note ) {
+        if (!$note) {
             return false;
         }
 
-        if ( empty( $this->ID ) )
+        if (empty($this->ID))
             return false;
         
-        if ( ( ( is_user_logged_in() && current_user_can( 'manage_options' ) ) || $added_by_user ) && !$system ) {
-            $user                 = get_user_by( 'id', get_current_user_id() );
+        if (((is_user_logged_in() && current_user_can('manage_options')) || $added_by_user) && !$system) {
+            $user                 = get_user_by('id', get_current_user_id());
             $comment_author       = $user->display_name;
             $comment_author_email = $user->user_email;
         } else {
-            $comment_author       = __( 'System', 'invoicing' );
-            $comment_author_email = strtolower( __( 'System', 'invoicing' ) ) . '@';
-            $comment_author_email .= isset( $_SERVER['HTTP_HOST'] ) ? str_replace( 'www.', '', $_SERVER['HTTP_HOST'] ) : 'noreply.com';
-            $comment_author_email = sanitize_email( $comment_author_email );
+            $comment_author       = __('System', 'invoicing');
+            $comment_author_email = strtolower(__('System', 'invoicing')) . '@';
+            $comment_author_email .= isset($_SERVER['HTTP_HOST']) ? str_replace('www.', '', $_SERVER['HTTP_HOST']) : 'noreply.com';
+            $comment_author_email = sanitize_email($comment_author_email);
         }
 
-        do_action( 'wpinv_pre_insert_invoice_note', $this->ID, $note, $customer_type );
+        do_action('wpinv_pre_insert_invoice_note', $this->ID, $note, $customer_type);
 
-        $note_id = wp_insert_comment( wp_filter_comment( array(
+        $note_id = wp_insert_comment(wp_filter_comment(array(
             'comment_post_ID'      => $this->ID,
             'comment_content'      => $note,
             'comment_agent'        => 'GeoDirectory',
             'user_id'              => is_admin() ? get_current_user_id() : 0,
-            'comment_date'         => current_time( 'mysql' ),
-            'comment_date_gmt'     => current_time( 'mysql', 1 ),
+            'comment_date'         => current_time('mysql'),
+            'comment_date_gmt'     => current_time('mysql', 1),
             'comment_approved'     => 1,
             'comment_parent'       => 0,
             'comment_author'       => $comment_author,
@@ -998,53 +998,53 @@ 
             'comment_author_url'   => '',
             'comment_author_email' => $comment_author_email,
             'comment_type'         => 'wpinv_note'
-        ) ) );
+        )));
 
-        do_action( 'wpinv_insert_payment_note', $note_id, $this->ID, $note );
+        do_action('wpinv_insert_payment_note', $note_id, $this->ID, $note);
         
-        if ( $customer_type ) {
-            add_comment_meta( $note_id, '_wpi_customer_note', 1 );
+        if ($customer_type) {
+            add_comment_meta($note_id, '_wpi_customer_note', 1);
 
-            do_action( 'wpinv_new_customer_note', array( 'invoice_id' => $this->ID, 'user_note' => $note ) );
+            do_action('wpinv_new_customer_note', array('invoice_id' => $this->ID, 'user_note' => $note));
         }
 
         return $note_id;
     }
 
-    private function increase_subtotal( $amount = 0.00 ) {
-        $amount          = (float) $amount;
+    private function increase_subtotal($amount = 0.00) {
+        $amount          = (float)$amount;
         $this->subtotal += $amount;
-        $this->subtotal  = wpinv_round_amount( $this->subtotal );
+        $this->subtotal  = wpinv_round_amount($this->subtotal);
 
         $this->recalculate_total();
     }
 
-    private function decrease_subtotal( $amount = 0.00 ) {
-        $amount          = (float) $amount;
+    private function decrease_subtotal($amount = 0.00) {
+        $amount          = (float)$amount;
         $this->subtotal -= $amount;
-        $this->subtotal  = wpinv_round_amount( $this->subtotal );
+        $this->subtotal  = wpinv_round_amount($this->subtotal);
 
-        if ( $this->subtotal < 0 ) {
+        if ($this->subtotal < 0) {
             $this->subtotal = 0;
         }
 
         $this->recalculate_total();
     }
 
-    private function increase_fees( $amount = 0.00 ) {
+    private function increase_fees($amount = 0.00) {
         $amount            = (float)$amount;
         $this->fees_total += $amount;
-        $this->fees_total  = wpinv_round_amount( $this->fees_total );
+        $this->fees_total  = wpinv_round_amount($this->fees_total);
 
         $this->recalculate_total();
     }
 
-    private function decrease_fees( $amount = 0.00 ) {
-        $amount            = (float) $amount;
+    private function decrease_fees($amount = 0.00) {
+        $amount            = (float)$amount;
         $this->fees_total -= $amount;
-        $this->fees_total  = wpinv_round_amount( $this->fees_total );
+        $this->fees_total  = wpinv_round_amount($this->fees_total);
 
-        if ( $this->fees_total < 0 ) {
+        if ($this->fees_total < 0) {
             $this->fees_total = 0;
         }
 
@@ -1055,54 +1055,54 @@ 
         global $wpi_nosave;
         
         $this->total = $this->subtotal + $this->tax + $this->fees_total;
-        $this->total = wpinv_round_amount( $this->total );
+        $this->total = wpinv_round_amount($this->total);
         
-        do_action( 'wpinv_invoice_recalculate_total', $this, $wpi_nosave );
+        do_action('wpinv_invoice_recalculate_total', $this, $wpi_nosave);
     }
     
-    public function increase_tax( $amount = 0.00 ) {
-        $amount       = (float) $amount;
+    public function increase_tax($amount = 0.00) {
+        $amount       = (float)$amount;
         $this->tax   += $amount;
 
         $this->recalculate_total();
     }
 
-    public function decrease_tax( $amount = 0.00 ) {
-        $amount     = (float) $amount;
+    public function decrease_tax($amount = 0.00) {
+        $amount     = (float)$amount;
         $this->tax -= $amount;
 
-        if ( $this->tax < 0 ) {
+        if ($this->tax < 0) {
             $this->tax = 0;
         }
 
         $this->recalculate_total();
     }
 
-    public function update_status( $new_status = false, $note = '', $manual = false ) {
-        $old_status = ! empty( $this->old_status ) ? $this->old_status : get_post_status( $this->ID );
+    public function update_status($new_status = false, $note = '', $manual = false) {
+        $old_status = !empty($this->old_status) ? $this->old_status : get_post_status($this->ID);
         
-        if ( $old_status === $new_status && in_array( $new_status, array_keys( wpinv_get_invoice_statuses() ) ) ) {
+        if ($old_status === $new_status && in_array($new_status, array_keys(wpinv_get_invoice_statuses()))) {
             return false; // Don't permit status changes that aren't changes
         }
 
-        $do_change = apply_filters( 'wpinv_should_update_invoice_status', true, $this->ID, $new_status, $old_status );
+        $do_change = apply_filters('wpinv_should_update_invoice_status', true, $this->ID, $new_status, $old_status);
         $updated = false;
 
-        if ( $do_change ) {
-            do_action( 'wpinv_before_invoice_status_change', $this->ID, $new_status, $old_status );
+        if ($do_change) {
+            do_action('wpinv_before_invoice_status_change', $this->ID, $new_status, $old_status);
 
             $update_post_data                   = array();
             $update_post_data['ID']             = $this->ID;
             $update_post_data['post_status']    = $new_status;
-            $update_post_data['edit_date']      = current_time( 'mysql', 0 );
-            $update_post_data['edit_date_gmt']  = current_time( 'mysql', 1 );
+            $update_post_data['edit_date']      = current_time('mysql', 0);
+            $update_post_data['edit_date_gmt']  = current_time('mysql', 1);
             
-            $update_post_data = apply_filters( 'wpinv_update_invoice_status_fields', $update_post_data, $this->ID );
+            $update_post_data = apply_filters('wpinv_update_invoice_status_fields', $update_post_data, $this->ID);
 
-            $updated = wp_update_post( $update_post_data );     
+            $updated = wp_update_post($update_post_data);     
            
             // Process any specific status functions
-            switch( $new_status ) {
+            switch ($new_status) {
                 case 'wpi-refunded':
                     $this->process_refund();
                     break;
@@ -1115,9 +1115,9 @@ 
             }
             
             // Status was changed.
-            do_action( 'wpinv_status_' . $new_status, $this->ID, $old_status );
-            do_action( 'wpinv_status_' . $old_status . '_to_' . $new_status, $this->ID, $old_status );
-            do_action( 'wpinv_update_status', $this->ID, $new_status, $old_status );
+            do_action('wpinv_status_' . $new_status, $this->ID, $old_status);
+            do_action('wpinv_status_' . $old_status . '_to_' . $new_status, $this->ID, $old_status);
+            do_action('wpinv_update_status', $this->ID, $new_status, $old_status);
         }
 
         return $updated;
@@ -1131,72 +1131,72 @@ 
         $this->save();
     }
 
-    public function update_meta( $meta_key = '', $meta_value = '', $prev_value = '' ) {
-        if ( empty( $meta_key ) ) {
+    public function update_meta($meta_key = '', $meta_value = '', $prev_value = '') {
+        if (empty($meta_key)) {
             return false;
         }
 
-        if ( $meta_key == 'key' || $meta_key == 'date' ) {
+        if ($meta_key == 'key' || $meta_key == 'date') {
             $current_meta = $this->get_meta();
-            $current_meta[ $meta_key ] = $meta_value;
+            $current_meta[$meta_key] = $meta_value;
 
             $meta_key     = '_wpinv_payment_meta';
             $meta_value   = $current_meta;
         }
 
-        $meta_value = apply_filters( 'wpinv_update_payment_meta_' . $meta_key, $meta_value, $this->ID );
+        $meta_value = apply_filters('wpinv_update_payment_meta_' . $meta_key, $meta_value, $this->ID);
         
-        if ( $meta_key == '_wpinv_completed_date' && !empty( $meta_value ) ) {
+        if ($meta_key == '_wpinv_completed_date' && !empty($meta_value)) {
             $args = array(
                 'ID'                => $this->ID,
                 'post_date'         => $meta_value,
                 'edit_date'         => true,
-                'post_date_gmt'     => get_gmt_from_date( $meta_value ),
+                'post_date_gmt'     => get_gmt_from_date($meta_value),
                 'post_modified'     => $meta_value,
-                'post_modified_gmt' => get_gmt_from_date( $meta_value )
+                'post_modified_gmt' => get_gmt_from_date($meta_value)
             );
-            wp_update_post( $args );
+            wp_update_post($args);
         }
         
-        return update_post_meta( $this->ID, $meta_key, $meta_value, $prev_value );
+        return update_post_meta($this->ID, $meta_key, $meta_value, $prev_value);
     }
 
     private function process_refund() {
         $process_refund = true;
 
         // If the payment was not in publish, don't decrement stats as they were never incremented
-        if ( 'publish' != $this->old_status || 'wpi-refunded' != $this->status ) {
+        if ('publish' != $this->old_status || 'wpi-refunded' != $this->status) {
             $process_refund = false;
         }
 
         // Allow extensions to filter for their own payment types, Example: Recurring Payments
-        $process_refund = apply_filters( 'wpinv_should_process_refund', $process_refund, $this );
+        $process_refund = apply_filters('wpinv_should_process_refund', $process_refund, $this);
 
-        if ( false === $process_refund ) {
+        if (false === $process_refund) {
             return;
         }
 
-        do_action( 'wpinv_pre_refund_invoice', $this );
+        do_action('wpinv_pre_refund_invoice', $this);
         
-        $decrease_store_earnings = apply_filters( 'wpinv_decrease_store_earnings_on_refund', true, $this );
-        $decrease_customer_value = apply_filters( 'wpinv_decrease_customer_value_on_refund', true, $this );
-        $decrease_purchase_count = apply_filters( 'wpinv_decrease_customer_purchase_count_on_refund', true, $this );
+        $decrease_store_earnings = apply_filters('wpinv_decrease_store_earnings_on_refund', true, $this);
+        $decrease_customer_value = apply_filters('wpinv_decrease_customer_value_on_refund', true, $this);
+        $decrease_purchase_count = apply_filters('wpinv_decrease_customer_purchase_count_on_refund', true, $this);
         
-        do_action( 'wpinv_post_refund_invoice', $this );
+        do_action('wpinv_post_refund_invoice', $this);
     }
 
     private function process_failure() {
         $discounts = $this->discounts;
-        if ( empty( $discounts ) ) {
+        if (empty($discounts)) {
             return;
         }
 
-        if ( ! is_array( $discounts ) ) {
-            $discounts = array_map( 'trim', explode( ',', $discounts ) );
+        if (!is_array($discounts)) {
+            $discounts = array_map('trim', explode(',', $discounts));
         }
 
-        foreach ( $discounts as $discount ) {
-            wpinv_decrease_discount_usage( $discount );
+        foreach ($discounts as $discount) {
+            wpinv_decrease_discount_usage($discount);
         }
     }
     
@@ -1204,92 +1204,92 @@ 
         $process_pending = true;
 
         // If the payment was not in publish or revoked status, don't decrement stats as they were never incremented
-        if ( ( 'publish' != $this->old_status && 'revoked' != $this->old_status ) || 'pending' != $this->status ) {
+        if (('publish' != $this->old_status && 'revoked' != $this->old_status) || 'pending' != $this->status) {
             $process_pending = false;
         }
 
         // Allow extensions to filter for their own payment types, Example: Recurring Payments
-        $process_pending = apply_filters( 'wpinv_should_process_pending', $process_pending, $this );
+        $process_pending = apply_filters('wpinv_should_process_pending', $process_pending, $this);
 
-        if ( false === $process_pending ) {
+        if (false === $process_pending) {
             return;
         }
 
-        $decrease_store_earnings = apply_filters( 'wpinv_decrease_store_earnings_on_pending', true, $this );
-        $decrease_customer_value = apply_filters( 'wpinv_decrease_customer_value_on_pending', true, $this );
-        $decrease_purchase_count = apply_filters( 'wpinv_decrease_customer_purchase_count_on_pending', true, $this );
+        $decrease_store_earnings = apply_filters('wpinv_decrease_store_earnings_on_pending', true, $this);
+        $decrease_customer_value = apply_filters('wpinv_decrease_customer_value_on_pending', true, $this);
+        $decrease_purchase_count = apply_filters('wpinv_decrease_customer_purchase_count_on_pending', true, $this);
 
         $this->completed_date = '';
-        $this->update_meta( '_wpinv_completed_date', '' );
+        $this->update_meta('_wpinv_completed_date', '');
     }
     
     // get data
-    public function get_meta( $meta_key = '_wpinv_payment_meta', $single = true ) {
-        $meta = get_post_meta( $this->ID, $meta_key, $single );
+    public function get_meta($meta_key = '_wpinv_payment_meta', $single = true) {
+        $meta = get_post_meta($this->ID, $meta_key, $single);
 
-        if ( $meta_key === '_wpinv_payment_meta' ) {
+        if ($meta_key === '_wpinv_payment_meta') {
 
-            if(!is_array($meta)){$meta = array();} // we need this to be an array so make sure it is.
+            if (!is_array($meta)) {$meta = array(); } // we need this to be an array so make sure it is.
 
-            if ( empty( $meta['key'] ) ) {
+            if (empty($meta['key'])) {
                 $meta['key'] = $this->setup_invoice_key();
             }
 
-            if ( empty( $meta['date'] ) ) {
-                $meta['date'] = get_post_field( 'post_date', $this->ID );
+            if (empty($meta['date'])) {
+                $meta['date'] = get_post_field('post_date', $this->ID);
             }
         }
 
-        $meta = apply_filters( 'wpinv_get_invoice_meta_' . $meta_key, $meta, $this->ID );
+        $meta = apply_filters('wpinv_get_invoice_meta_' . $meta_key, $meta, $this->ID);
 
-        return apply_filters( 'wpinv_get_invoice_meta', $meta, $this->ID, $meta_key );
+        return apply_filters('wpinv_get_invoice_meta', $meta, $this->ID, $meta_key);
     }
     
     public function get_description() {
-        $post = get_post( $this->ID );
+        $post = get_post($this->ID);
         
-        $description = !empty( $post ) ? $post->post_content : '';
-        return apply_filters( 'wpinv_get_description', $description, $this->ID, $this );
+        $description = !empty($post) ? $post->post_content : '';
+        return apply_filters('wpinv_get_description', $description, $this->ID, $this);
     }
     
-    public function get_status( $nicename = false ) {
-        if ( !$nicename ) {
+    public function get_status($nicename = false) {
+        if (!$nicename) {
             $status = $this->status;
         } else {
             $status = $this->status_nicename;
         }
         
-        return apply_filters( 'wpinv_get_status', $status, $nicename, $this->ID, $this );
+        return apply_filters('wpinv_get_status', $status, $nicename, $this->ID, $this);
     }
     
     public function get_cart_details() {
-        return apply_filters( 'wpinv_cart_details', $this->cart_details, $this->ID, $this );
+        return apply_filters('wpinv_cart_details', $this->cart_details, $this->ID, $this);
     }
     
-    public function get_subtotal( $currency = false ) {
-        $subtotal = wpinv_round_amount( $this->subtotal );
+    public function get_subtotal($currency = false) {
+        $subtotal = wpinv_round_amount($this->subtotal);
         
-        if ( $currency ) {
-            $subtotal = wpinv_price( wpinv_format_amount( $subtotal, NULL, !$currency ), $this->get_currency() );
+        if ($currency) {
+            $subtotal = wpinv_price(wpinv_format_amount($subtotal, NULL, !$currency), $this->get_currency());
         }
         
-        return apply_filters( 'wpinv_get_invoice_subtotal', $subtotal, $this->ID, $this, $currency );
+        return apply_filters('wpinv_get_invoice_subtotal', $subtotal, $this->ID, $this, $currency);
     }
     
-    public function get_total( $currency = false ) {        
-        if ( $this->is_free_trial() ) {
-            $total = wpinv_round_amount( 0 );
+    public function get_total($currency = false) {        
+        if ($this->is_free_trial()) {
+            $total = wpinv_round_amount(0);
         } else {
-            $total = wpinv_round_amount( $this->total );
+            $total = wpinv_round_amount($this->total);
         }
-        if ( $currency ) {
-            $total = wpinv_price( wpinv_format_amount( $total, NULL, !$currency ), $this->get_currency() );
+        if ($currency) {
+            $total = wpinv_price(wpinv_format_amount($total, NULL, !$currency), $this->get_currency());
         }
         
-        return apply_filters( 'wpinv_get_invoice_total', $total, $this->ID, $this, $currency );
+        return apply_filters('wpinv_get_invoice_total', $total, $this->ID, $this, $currency);
     }
     
-    public function get_recurring_details( $field = '', $currency = false ) {        
+    public function get_recurring_details($field = '', $currency = false) {        
         $data                 = array();
         $data['cart_details'] = $this->cart_details;
         $data['subtotal']     = $this->get_subtotal();
@@ -1297,45 +1297,45 @@ 
         $data['tax']          = $this->get_tax();
         $data['total']        = $this->get_total();
     
-        if ( !empty( $this->cart_details ) && ( $this->is_parent() || $this->is_renewal() ) ) {
+        if (!empty($this->cart_details) && ($this->is_parent() || $this->is_renewal())) {
             $is_free_trial = $this->is_free_trial();
-            $discounts = $this->get_discounts( true );
+            $discounts = $this->get_discounts(true);
             
-            if ( $is_free_trial || !empty( $discounts ) ) {
+            if ($is_free_trial || !empty($discounts)) {
                 $first_use_only = false;
                 
-                if ( !empty( $discounts ) ) {
-                    foreach ( $discounts as $key => $code ) {
-                        if ( wpinv_discount_is_recurring( $code, true ) ) {
+                if (!empty($discounts)) {
+                    foreach ($discounts as $key => $code) {
+                        if (wpinv_discount_is_recurring($code, true)) {
                             $first_use_only = true;
                             break;
                         }
                     }
                 }
                     
-                if ( !$first_use_only ) {
-                    $data['subtotal'] = wpinv_round_amount( $this->subtotal );
-                    $data['discount'] = wpinv_round_amount( $this->discount );
-                    $data['tax']      = wpinv_round_amount( $this->tax );
-                    $data['total']    = wpinv_round_amount( $this->total );
+                if (!$first_use_only) {
+                    $data['subtotal'] = wpinv_round_amount($this->subtotal);
+                    $data['discount'] = wpinv_round_amount($this->discount);
+                    $data['tax']      = wpinv_round_amount($this->tax);
+                    $data['total']    = wpinv_round_amount($this->total);
                 } else {
                     $cart_subtotal   = 0;
                     $cart_discount   = 0;
                     $cart_tax        = 0;
 
-                    foreach ( $this->cart_details as $key => $item ) {
-                        $item_quantity  = $item['quantity'] > 0 ? absint( $item['quantity'] ) : 1;
-                        $item_subtotal  = !empty( $item['subtotal'] ) ? $item['subtotal'] : $item['item_price'] * $item_quantity;
+                    foreach ($this->cart_details as $key => $item) {
+                        $item_quantity  = $item['quantity'] > 0 ? absint($item['quantity']) : 1;
+                        $item_subtotal  = !empty($item['subtotal']) ? $item['subtotal'] : $item['item_price'] * $item_quantity;
                         $item_discount  = 0;
-                        $item_tax       = $item_subtotal > 0 && !empty( $item['vat_rate'] ) ? ( $item_subtotal * 0.01 * (float)$item['vat_rate'] ) : 0;
+                        $item_tax       = $item_subtotal > 0 && !empty($item['vat_rate']) ? ($item_subtotal * 0.01 * (float)$item['vat_rate']) : 0;
                         
-                        if ( wpinv_prices_include_tax() ) {
-                            $item_subtotal -= wpinv_round_amount( $item_tax );
+                        if (wpinv_prices_include_tax()) {
+                            $item_subtotal -= wpinv_round_amount($item_tax);
                         }
                         
                         $item_total     = $item_subtotal - $item_discount + $item_tax;
                         // Do not allow totals to go negative
-                        if ( $item_total < 0 ) {
+                        if ($item_total < 0) {
                             $item_total = 0;
                         }
                         
@@ -1343,113 +1343,113 @@ 
                         $cart_discount  += (float)($item_discount);
                         $cart_tax       += (float)($item_tax);
                         
-                        $data['cart_details'][$key]['discount']   = wpinv_round_amount( $item_discount );
-                        $data['cart_details'][$key]['tax']        = wpinv_round_amount( $item_tax );
-                        $data['cart_details'][$key]['price']      = wpinv_round_amount( $item_total );
+                        $data['cart_details'][$key]['discount']   = wpinv_round_amount($item_discount);
+                        $data['cart_details'][$key]['tax']        = wpinv_round_amount($item_tax);
+                        $data['cart_details'][$key]['price']      = wpinv_round_amount($item_total);
                     }
                     
-                    $data['subtotal'] = wpinv_round_amount( $cart_subtotal );
-                    $data['discount'] = wpinv_round_amount( $cart_discount );
-                    $data['tax']      = wpinv_round_amount( $cart_tax );
-                    $data['total']    = wpinv_round_amount( $data['subtotal'] + $data['tax'] );
+                    $data['subtotal'] = wpinv_round_amount($cart_subtotal);
+                    $data['discount'] = wpinv_round_amount($cart_discount);
+                    $data['tax']      = wpinv_round_amount($cart_tax);
+                    $data['total']    = wpinv_round_amount($data['subtotal'] + $data['tax']);
                 }
             }
         }
         
-        $data = apply_filters( 'wpinv_get_invoice_recurring_details', $data, $this, $field, $currency );
+        $data = apply_filters('wpinv_get_invoice_recurring_details', $data, $this, $field, $currency);
 
-        if ( isset( $data[$field] ) ) {
-            return ( $currency ? wpinv_price( $data[$field], $this->get_currency() ) : $data[$field] );
+        if (isset($data[$field])) {
+            return ($currency ? wpinv_price($data[$field], $this->get_currency()) : $data[$field]);
         }
         
         return $data;
     }
     
-    public function get_final_tax( $currency = false ) {        
-        $final_total = wpinv_round_amount( $this->tax );
-        if ( $currency ) {
-            $final_total = wpinv_price( wpinv_format_amount( $final_total, NULL, !$currency ), $this->get_currency() );
+    public function get_final_tax($currency = false) {        
+        $final_total = wpinv_round_amount($this->tax);
+        if ($currency) {
+            $final_total = wpinv_price(wpinv_format_amount($final_total, NULL, !$currency), $this->get_currency());
         }
         
-        return apply_filters( 'wpinv_get_invoice_final_total', $final_total, $this, $currency );
+        return apply_filters('wpinv_get_invoice_final_total', $final_total, $this, $currency);
     }
     
-    public function get_discounts( $array = false ) {
+    public function get_discounts($array = false) {
         $discounts = $this->discounts;
-        if ( $array && $discounts ) {
-            $discounts = explode( ',', $discounts );
+        if ($array && $discounts) {
+            $discounts = explode(',', $discounts);
         }
-        return apply_filters( 'wpinv_payment_discounts', $discounts, $this->ID, $this, $array );
+        return apply_filters('wpinv_payment_discounts', $discounts, $this->ID, $this, $array);
     }
     
-    public function get_discount( $currency = false, $dash = false ) {
-        if ( !empty( $this->discounts ) ) {
+    public function get_discount($currency = false, $dash = false) {
+        if (!empty($this->discounts)) {
             global $ajax_cart_details;
             $ajax_cart_details = $this->get_cart_details();
             
-            if ( !empty( $ajax_cart_details ) && count( $ajax_cart_details ) == count( $this->items ) ) {
+            if (!empty($ajax_cart_details) && count($ajax_cart_details) == count($this->items)) {
                 $cart_items = $ajax_cart_details;
             } else {
                 $cart_items = $this->items;
             }
 
-            $this->discount = wpinv_get_cart_items_discount_amount( $cart_items , $this->discounts );
+            $this->discount = wpinv_get_cart_items_discount_amount($cart_items, $this->discounts);
         }
-        $discount   = wpinv_round_amount( $this->discount );
+        $discount   = wpinv_round_amount($this->discount);
         $dash       = $dash && $discount > 0 ? '&ndash;' : '';
         
-        if ( $currency ) {
-            $discount = wpinv_price( wpinv_format_amount( $discount, NULL, !$currency ), $this->get_currency() );
+        if ($currency) {
+            $discount = wpinv_price(wpinv_format_amount($discount, NULL, !$currency), $this->get_currency());
         }
         
-        $discount   = $dash . $discount;
+        $discount = $dash . $discount;
         
-        return apply_filters( 'wpinv_get_invoice_discount', $discount, $this->ID, $this, $currency, $dash );
+        return apply_filters('wpinv_get_invoice_discount', $discount, $this->ID, $this, $currency, $dash);
     }
     
     public function get_discount_code() {
         return $this->discount_code;
     }
     
-    public function get_tax( $currency = false ) {
-        $tax = wpinv_round_amount( $this->tax );
+    public function get_tax($currency = false) {
+        $tax = wpinv_round_amount($this->tax);
         
-        if ( $currency ) {
-            $tax = wpinv_price( wpinv_format_amount( $tax, NULL, !$currency ), $this->get_currency() );
+        if ($currency) {
+            $tax = wpinv_price(wpinv_format_amount($tax, NULL, !$currency), $this->get_currency());
         }
         
-        return apply_filters( 'wpinv_get_invoice_tax', $tax, $this->ID, $this, $currency );
+        return apply_filters('wpinv_get_invoice_tax', $tax, $this->ID, $this, $currency);
     }
     
-    public function get_fees( $type = 'all' ) {
-        $fees    = array();
+    public function get_fees($type = 'all') {
+        $fees = array();
 
-        if ( ! empty( $this->fees ) && is_array( $this->fees ) ) {
-            foreach ( $this->fees as $fee ) {
-                if( 'all' != $type && ! empty( $fee['type'] ) && $type != $fee['type'] ) {
+        if (!empty($this->fees) && is_array($this->fees)) {
+            foreach ($this->fees as $fee) {
+                if ('all' != $type && !empty($fee['type']) && $type != $fee['type']) {
                     continue;
                 }
 
-                $fee['label'] = stripslashes( $fee['label'] );
-                $fee['amount_display'] = wpinv_price( $fee['amount'], $this->get_currency() );
-                $fees[]    = $fee;
+                $fee['label'] = stripslashes($fee['label']);
+                $fee['amount_display'] = wpinv_price($fee['amount'], $this->get_currency());
+                $fees[] = $fee;
             }
         }
 
-        return apply_filters( 'wpinv_get_invoice_fees', $fees, $this->ID, $this );
+        return apply_filters('wpinv_get_invoice_fees', $fees, $this->ID, $this);
     }
     
-    public function get_fees_total( $type = 'all' ) {
-        $fees_total = (float) 0.00;
+    public function get_fees_total($type = 'all') {
+        $fees_total = (float)0.00;
 
-        $payment_fees = isset( $this->payment_meta['fees'] ) ? $this->payment_meta['fees'] : array();
-        if ( ! empty( $payment_fees ) ) {
-            foreach ( $payment_fees as $fee ) {
-                $fees_total += (float) $fee['amount'];
+        $payment_fees = isset($this->payment_meta['fees']) ? $this->payment_meta['fees'] : array();
+        if (!empty($payment_fees)) {
+            foreach ($payment_fees as $fee) {
+                $fees_total += (float)$fee['amount'];
             }
         }
 
-        return apply_filters( 'wpinv_get_invoice_fees_total', $fees_total, $this->ID, $this );
+        return apply_filters('wpinv_get_invoice_fees_total', $fees_total, $this->ID, $this);
         /*
         $fees = $this->get_fees( $type );
 
@@ -1469,116 +1469,116 @@ 
     }
 
     public function get_user_id() {
-        return apply_filters( 'wpinv_user_id', $this->user_id, $this->ID, $this );
+        return apply_filters('wpinv_user_id', $this->user_id, $this->ID, $this);
     }
     
     public function get_first_name() {
-        return apply_filters( 'wpinv_first_name', $this->first_name, $this->ID, $this );
+        return apply_filters('wpinv_first_name', $this->first_name, $this->ID, $this);
     }
     
     public function get_last_name() {
-        return apply_filters( 'wpinv_last_name', $this->last_name, $this->ID, $this );
+        return apply_filters('wpinv_last_name', $this->last_name, $this->ID, $this);
     }
     
     public function get_user_full_name() {
-        return apply_filters( 'wpinv_user_full_name', $this->full_name, $this->ID, $this );
+        return apply_filters('wpinv_user_full_name', $this->full_name, $this->ID, $this);
     }
     
     public function get_user_info() {
-        return apply_filters( 'wpinv_user_info', $this->user_info, $this->ID, $this );
+        return apply_filters('wpinv_user_info', $this->user_info, $this->ID, $this);
     }
     
     public function get_email() {
-        return apply_filters( 'wpinv_user_email', $this->email, $this->ID, $this );
+        return apply_filters('wpinv_user_email', $this->email, $this->ID, $this);
     }
     
     public function get_address() {
-        return apply_filters( 'wpinv_address', $this->address, $this->ID, $this );
+        return apply_filters('wpinv_address', $this->address, $this->ID, $this);
     }
     
     public function get_phone() {
-        return apply_filters( 'wpinv_phone', $this->phone, $this->ID, $this );
+        return apply_filters('wpinv_phone', $this->phone, $this->ID, $this);
     }
     
     public function get_number() {
-        return apply_filters( 'wpinv_number', $this->number, $this->ID, $this );
+        return apply_filters('wpinv_number', $this->number, $this->ID, $this);
     }
     
     public function get_items() {
-        return apply_filters( 'wpinv_payment_meta_items', $this->items, $this->ID, $this );
+        return apply_filters('wpinv_payment_meta_items', $this->items, $this->ID, $this);
     }
     
     public function get_key() {
-        return apply_filters( 'wpinv_key', $this->key, $this->ID, $this );
+        return apply_filters('wpinv_key', $this->key, $this->ID, $this);
     }
     
     public function get_transaction_id() {
-        return apply_filters( 'wpinv_get_invoice_transaction_id', $this->transaction_id, $this->ID, $this );
+        return apply_filters('wpinv_get_invoice_transaction_id', $this->transaction_id, $this->ID, $this);
     }
     
     public function get_gateway() {
-        return apply_filters( 'wpinv_gateway', $this->gateway, $this->ID, $this );
+        return apply_filters('wpinv_gateway', $this->gateway, $this->ID, $this);
     }
     
     public function get_gateway_title() {
-        $this->gateway_title = !empty( $this->gateway_title ) ? $this->gateway_title : wpinv_get_gateway_checkout_label( $this->gateway );
+        $this->gateway_title = !empty($this->gateway_title) ? $this->gateway_title : wpinv_get_gateway_checkout_label($this->gateway);
         
-        return apply_filters( 'wpinv_gateway_title', $this->gateway_title, $this->ID, $this );
+        return apply_filters('wpinv_gateway_title', $this->gateway_title, $this->ID, $this);
     }
     
     public function get_currency() {
-        return apply_filters( 'wpinv_currency_code', $this->currency, $this->ID, $this );
+        return apply_filters('wpinv_currency_code', $this->currency, $this->ID, $this);
     }
     
     public function get_created_date() {
-        return apply_filters( 'wpinv_created_date', $this->date, $this->ID, $this );
+        return apply_filters('wpinv_created_date', $this->date, $this->ID, $this);
     }
     
-    public function get_due_date( $display = false ) {
-        $due_date = apply_filters( 'wpinv_due_date', $this->due_date, $this->ID, $this );
+    public function get_due_date($display = false) {
+        $due_date = apply_filters('wpinv_due_date', $this->due_date, $this->ID, $this);
         
-        if ( !$display || empty( $due_date ) ) {
+        if (!$display || empty($due_date)) {
             return $due_date;
         }
         
-        return date_i18n( get_option( 'date_format' ), strtotime( $due_date ) );
+        return date_i18n(get_option('date_format'), strtotime($due_date));
     }
     
     public function get_completed_date() {
-        return apply_filters( 'wpinv_completed_date', $this->completed_date, $this->ID, $this );
+        return apply_filters('wpinv_completed_date', $this->completed_date, $this->ID, $this);
     }
     
-    public function get_invoice_date( $formatted = true ) {
+    public function get_invoice_date($formatted = true) {
         $date_completed = $this->completed_date;
         $invoice_date   = $date_completed != '' && $date_completed != '0000-00-00 00:00:00' ? $date_completed : '';
         
-        if ( $invoice_date == '' ) {
+        if ($invoice_date == '') {
             $date_created   = $this->date;
             $invoice_date   = $date_created != '' && $date_created != '0000-00-00 00:00:00' ? $date_created : '';
         }
         
-        if ( $formatted && $invoice_date ) {
-            $invoice_date   = date_i18n( get_option( 'date_format' ), strtotime( $invoice_date ) );
+        if ($formatted && $invoice_date) {
+            $invoice_date = date_i18n(get_option('date_format'), strtotime($invoice_date));
         }
 
-        return apply_filters( 'wpinv_get_invoice_date', $invoice_date, $formatted, $this->ID, $this );
+        return apply_filters('wpinv_get_invoice_date', $invoice_date, $formatted, $this->ID, $this);
     }
     
     public function get_ip() {
-        return apply_filters( 'wpinv_user_ip', $this->ip, $this->ID, $this );
+        return apply_filters('wpinv_user_ip', $this->ip, $this->ID, $this);
     }
         
-    public function has_status( $status ) {
-        return apply_filters( 'wpinv_has_status', ( is_array( $status ) && in_array( $this->get_status(), $status ) ) || $this->get_status() === $status ? true : false, $this, $status );
+    public function has_status($status) {
+        return apply_filters('wpinv_has_status', (is_array($status) && in_array($this->get_status(), $status)) || $this->get_status() === $status ? true : false, $this, $status);
     }
     
-    public function add_item( $item_id = 0, $args = array() ) {
+    public function add_item($item_id = 0, $args = array()) {
         global $wpi_current_id, $wpi_item_id;
         
-        $item = new WPInv_Item( $item_id );
+        $item = new WPInv_Item($item_id);
 
         // Bail if this post isn't a item
-        if( !$item || $item->post_type !== 'wpi_item' ) {
+        if (!$item || $item->post_type !== 'wpi_item') {
             return false;
         }
         
@@ -1597,8 +1597,8 @@ 
             'fees'          => array()
         );
 
-        $args = wp_parse_args( apply_filters( 'wpinv_add_item_args', $args, $item->ID ), $defaults );
-        $args['quantity']   = $has_quantities && $args['quantity'] > 0 ? absint( $args['quantity'] ) : 1;
+        $args = wp_parse_args(apply_filters('wpinv_add_item_args', $args, $item->ID), $defaults);
+        $args['quantity'] = $has_quantities && $args['quantity'] > 0 ? absint($args['quantity']) : 1;
 
         $wpi_current_id         = $this->ID;
         $wpi_item_id            = $item->ID;
@@ -1610,19 +1610,19 @@ 
         $found_cart_key         = false;
         
         if ($has_quantities) {
-            $this->cart_details = !empty( $this->cart_details ) ? array_values( $this->cart_details ) : $this->cart_details;
+            $this->cart_details = !empty($this->cart_details) ? array_values($this->cart_details) : $this->cart_details;
             
-            foreach ( $this->items as $key => $cart_item ) {
-                if ( (int)$item_id !== (int)$cart_item['id'] ) {
+            foreach ($this->items as $key => $cart_item) {
+                if ((int)$item_id !== (int)$cart_item['id']) {
                     continue;
                 }
 
-                $this->items[ $key ]['quantity'] += $args['quantity'];
+                $this->items[$key]['quantity'] += $args['quantity'];
                 break;
             }
             
-            foreach ( $this->cart_details as $cart_key => $cart_item ) {
-                if ( $item_id != $cart_item['id'] ) {
+            foreach ($this->cart_details as $cart_key => $cart_item) {
+                if ($item_id != $cart_item['id']) {
                     continue;
                 }
 
@@ -1634,29 +1634,29 @@ 
         if ($has_quantities && $found_cart_key !== false) {
             $cart_item          = $this->cart_details[$found_cart_key];
             $item_price         = $cart_item['item_price'];
-            $quantity           = !empty( $cart_item['quantity'] ) ? $cart_item['quantity'] : 1;
-            $tax_rate           = !empty( $cart_item['vat_rate'] ) ? $cart_item['vat_rate'] : 0;
+            $quantity           = !empty($cart_item['quantity']) ? $cart_item['quantity'] : 1;
+            $tax_rate           = !empty($cart_item['vat_rate']) ? $cart_item['vat_rate'] : 0;
             
             $new_quantity       = $quantity + $args['quantity'];
             $subtotal           = $item_price * $new_quantity;
             
             $args['quantity']   = $new_quantity;
-            $discount           = !empty( $args['discount'] ) ? $args['discount'] : 0;
-            $tax                = $subtotal > 0 && $tax_rate > 0 ? ( ( $subtotal - $discount ) * 0.01 * (float)$tax_rate ) : 0;
+            $discount           = !empty($args['discount']) ? $args['discount'] : 0;
+            $tax                = $subtotal > 0 && $tax_rate > 0 ? (($subtotal - $discount) * 0.01 * (float)$tax_rate) : 0;
             
             $discount_increased = $discount > 0 && $subtotal > 0 && $discount > (float)$cart_item['discount'] ? $discount - (float)$cart_item['discount'] : 0;
             $tax_increased      = $tax > 0 && $subtotal > 0 && $tax > (float)$cart_item['tax'] ? $tax - (float)$cart_item['tax'] : 0;
             // The total increase equals the number removed * the item_price
-            $total_increased    = wpinv_round_amount( $item_price );
+            $total_increased    = wpinv_round_amount($item_price);
             
-            if ( wpinv_prices_include_tax() ) {
-                $subtotal -= wpinv_round_amount( $tax );
+            if (wpinv_prices_include_tax()) {
+                $subtotal -= wpinv_round_amount($tax);
             }
 
-            $total              = $subtotal - $discount + $tax;
+            $total = $subtotal - $discount + $tax;
 
             // Do not allow totals to go negative
-            if( $total < 0 ) {
+            if ($total < 0) {
                 $total = 0;
             }
             
@@ -1672,25 +1672,25 @@ 
             $this->cart_details[$found_cart_key] = $cart_item;
         } else {
             // Set custom price.
-            if ( $args['custom_price'] !== '' ) {
+            if ($args['custom_price'] !== '') {
                 $item_price = $args['custom_price'];
             } else {
                 // Allow overriding the price
-                if ( false !== $args['item_price'] ) {
+                if (false !== $args['item_price']) {
                     $item_price = $args['item_price'];
                 } else {
-                    $item_price = wpinv_get_item_price( $item->ID );
+                    $item_price = wpinv_get_item_price($item->ID);
                 }
             }
 
             // Sanitizing the price here so we don't have a dozen calls later
-            $item_price = wpinv_sanitize_amount( $item_price );
-            $subtotal   = wpinv_round_amount( $item_price * $args['quantity'] );
+            $item_price = wpinv_sanitize_amount($item_price);
+            $subtotal   = wpinv_round_amount($item_price * $args['quantity']);
         
-            $discount   = !empty( $args['discount'] ) ? $args['discount'] : 0;
-            $tax_class  = !empty( $args['vat_class'] ) ? $args['vat_class'] : '';
-            $tax_rate   = !empty( $args['vat_rate'] ) ? $args['vat_rate'] : 0;
-            $tax        = $subtotal > 0 && $tax_rate > 0 ? ( ( $subtotal - $discount ) * 0.01 * (float)$tax_rate ) : 0;
+            $discount   = !empty($args['discount']) ? $args['discount'] : 0;
+            $tax_class  = !empty($args['vat_class']) ? $args['vat_class'] : '';
+            $tax_rate   = !empty($args['vat_rate']) ? $args['vat_rate'] : 0;
+            $tax        = $subtotal > 0 && $tax_rate > 0 ? (($subtotal - $discount) * 0.01 * (float)$tax_rate) : 0;
 
             // Setup the items meta item
             $new_item = array(
@@ -1698,29 +1698,29 @@ 
                 'quantity' => $args['quantity'],
             );
 
-            $this->items[]  = $new_item;
+            $this->items[] = $new_item;
 
-            if ( wpinv_prices_include_tax() ) {
-                $subtotal -= wpinv_round_amount( $tax );
+            if (wpinv_prices_include_tax()) {
+                $subtotal -= wpinv_round_amount($tax);
             }
 
-            $total      = $subtotal - $discount + $tax;
+            $total = $subtotal - $discount + $tax;
 
             // Do not allow totals to go negative
-            if( $total < 0 ) {
+            if ($total < 0) {
                 $total = 0;
             }
         
             $this->cart_details[] = array(
                 'name'          => !empty($args['name']) ? $args['name'] : $item->get_name(),
                 'id'            => $item->ID,
-                'item_price'    => wpinv_round_amount( $item_price ),
-                'custom_price'  => ( $args['custom_price'] !== '' ? wpinv_round_amount( $args['custom_price'] ) : '' ),
+                'item_price'    => wpinv_round_amount($item_price),
+                'custom_price'  => ($args['custom_price'] !== '' ? wpinv_round_amount($args['custom_price']) : ''),
                 'quantity'      => $args['quantity'],
                 'discount'      => $discount,
-                'subtotal'      => wpinv_round_amount( $subtotal ),
-                'tax'           => wpinv_round_amount( $tax ),
-                'price'         => wpinv_round_amount( $total ),
+                'subtotal'      => wpinv_round_amount($subtotal),
+                'tax'           => wpinv_round_amount($tax),
+                'price'         => wpinv_round_amount($total),
                 'vat_rate'      => $tax_rate,
                 'vat_class'     => $tax_class,
                 'meta'          => $args['meta'],
@@ -1730,18 +1730,18 @@ 
             $subtotal = $subtotal - $discount;
         }
         
-        $added_item = end( $this->cart_details );
-        $added_item['action']  = 'add';
+        $added_item = end($this->cart_details);
+        $added_item['action'] = 'add';
         
         $this->pending['items'][] = $added_item;
         
-        $this->increase_subtotal( $subtotal );
-        $this->increase_tax( $tax );
+        $this->increase_subtotal($subtotal);
+        $this->increase_tax($tax);
 
         return true;
     }
     
-    public function remove_item( $item_id, $args = array() ) {
+    public function remove_item($item_id, $args = array()) {
         // Set some defaults
         $defaults = array(
             'quantity'      => 1,
@@ -1749,51 +1749,51 @@ 
             'custom_price'  => '',
             'cart_index'    => false,
         );
-        $args = wp_parse_args( $args, $defaults );
+        $args = wp_parse_args($args, $defaults);
 
         // Bail if this post isn't a item
-        if ( get_post_type( $item_id ) !== 'wpi_item' ) {
+        if (get_post_type($item_id) !== 'wpi_item') {
             return false;
         }
         
-        $this->cart_details = !empty( $this->cart_details ) ? array_values( $this->cart_details ) : $this->cart_details;
+        $this->cart_details = !empty($this->cart_details) ? array_values($this->cart_details) : $this->cart_details;
 
-        foreach ( $this->items as $key => $item ) {
-            if ( !empty($item['id']) && (int)$item_id !== (int)$item['id'] ) {
+        foreach ($this->items as $key => $item) {
+            if (!empty($item['id']) && (int)$item_id !== (int)$item['id']) {
                 continue;
             }
 
-            if ( false !== $args['cart_index'] ) {
-                $cart_index = absint( $args['cart_index'] );
-                $cart_item  = ! empty( $this->cart_details[ $cart_index ] ) ? $this->cart_details[ $cart_index ] : false;
+            if (false !== $args['cart_index']) {
+                $cart_index = absint($args['cart_index']);
+                $cart_item  = !empty($this->cart_details[$cart_index]) ? $this->cart_details[$cart_index] : false;
 
-                if ( ! empty( $cart_item ) ) {
+                if (!empty($cart_item)) {
                     // If the cart index item isn't the same item ID, don't remove it
-                    if ( !empty($cart_item['id']) && $cart_item['id'] != $item['id'] ) {
+                    if (!empty($cart_item['id']) && $cart_item['id'] != $item['id']) {
                         continue;
                     }
                 }
             }
 
-            $item_quantity = $this->items[ $key ]['quantity'];
-            if ( $item_quantity > $args['quantity'] ) {
-                $this->items[ $key ]['quantity'] -= $args['quantity'];
+            $item_quantity = $this->items[$key]['quantity'];
+            if ($item_quantity > $args['quantity']) {
+                $this->items[$key]['quantity'] -= $args['quantity'];
                 break;
             } else {
-                unset( $this->items[ $key ] );
+                unset($this->items[$key]);
                 break;
             }
         }
 
         $found_cart_key = false;
-        if ( false === $args['cart_index'] ) {
-            foreach ( $this->cart_details as $cart_key => $item ) {
-                if ( $item_id != $item['id'] ) {
+        if (false === $args['cart_index']) {
+            foreach ($this->cart_details as $cart_key => $item) {
+                if ($item_id != $item['id']) {
                     continue;
                 }
 
-                if ( false !== $args['item_price'] ) {
-                    if ( isset( $item['item_price'] ) && (float) $args['item_price'] != (float) $item['item_price'] ) {
+                if (false !== $args['item_price']) {
+                    if (isset($item['item_price']) && (float)$args['item_price'] != (float)$item['item_price']) {
                         continue;
                     }
                 }
@@ -1802,13 +1802,13 @@ 
                 break;
             }
         } else {
-            $cart_index = absint( $args['cart_index'] );
+            $cart_index = absint($args['cart_index']);
 
-            if ( ! array_key_exists( $cart_index, $this->cart_details ) ) {
+            if (!array_key_exists($cart_index, $this->cart_details)) {
                 return false; // Invalid cart index passed.
             }
 
-            if ( (int) $this->cart_details[ $cart_index ]['id'] > 0 && (int) $this->cart_details[ $cart_index ]['id'] !== (int) $item_id ) {
+            if ((int)$this->cart_details[$cart_index]['id'] > 0 && (int)$this->cart_details[$cart_index]['id'] !== (int)$item_id) {
                 return false; // We still need the proper Item ID to be sure.
             }
 
@@ -1816,41 +1816,41 @@ 
         }
         
         $cart_item  = $this->cart_details[$found_cart_key];
-        $quantity   = !empty( $cart_item['quantity'] ) ? $cart_item['quantity'] : 1;
+        $quantity   = !empty($cart_item['quantity']) ? $cart_item['quantity'] : 1;
         
-        if ( count( $this->cart_details ) == 1 && ( $quantity - $args['quantity'] ) < 1 ) {
+        if (count($this->cart_details) == 1 && ($quantity - $args['quantity']) < 1) {
             return false; // Invoice must contain at least one item.
         }
         
-        $discounts  = $this->get_discounts();
+        $discounts = $this->get_discounts();
         
-        if ( $quantity > $args['quantity'] ) {
+        if ($quantity > $args['quantity']) {
             $item_price         = $cart_item['item_price'];
-            $tax_rate           = !empty( $cart_item['vat_rate'] ) ? $cart_item['vat_rate'] : 0;
+            $tax_rate           = !empty($cart_item['vat_rate']) ? $cart_item['vat_rate'] : 0;
             
-            $new_quantity       = max( $quantity - $args['quantity'], 1);
+            $new_quantity       = max($quantity - $args['quantity'], 1);
             $subtotal           = $item_price * $new_quantity;
             
             $args['quantity']   = $new_quantity;
-            $discount           = !empty( $cart_item['discount'] ) ? $cart_item['discount'] : 0;
-            $tax                = $subtotal > 0 && $tax_rate > 0 ? ( ( $subtotal - $discount ) * 0.01 * (float)$tax_rate ) : 0;
+            $discount           = !empty($cart_item['discount']) ? $cart_item['discount'] : 0;
+            $tax                = $subtotal > 0 && $tax_rate > 0 ? (($subtotal - $discount) * 0.01 * (float)$tax_rate) : 0;
             
-            $discount_decrease  = (float)$cart_item['discount'] > 0 && $quantity > 0 ? wpinv_round_amount( ( (float)$cart_item['discount'] / $quantity ) ) : 0;
+            $discount_decrease  = (float)$cart_item['discount'] > 0 && $quantity > 0 ? wpinv_round_amount(((float)$cart_item['discount'] / $quantity)) : 0;
             $discount_decrease  = $discount > 0 && $subtotal > 0 && (float)$cart_item['discount'] > $discount ? (float)$cart_item['discount'] - $discount : $discount_decrease; 
-            $tax_decrease       = (float)$cart_item['tax'] > 0 && $quantity > 0 ? wpinv_round_amount( ( (float)$cart_item['tax'] / $quantity ) ) : 0;
+            $tax_decrease       = (float)$cart_item['tax'] > 0 && $quantity > 0 ? wpinv_round_amount(((float)$cart_item['tax'] / $quantity)) : 0;
             $tax_decrease       = $tax > 0 && $subtotal > 0 && (float)$cart_item['tax'] > $tax ? (float)$cart_item['tax'] - $tax : $tax_decrease;
             
             // The total increase equals the number removed * the item_price
-            $total_decrease     = wpinv_round_amount( $item_price );
+            $total_decrease     = wpinv_round_amount($item_price);
             
-            if ( wpinv_prices_include_tax() ) {
-                $subtotal -= wpinv_round_amount( $tax );
+            if (wpinv_prices_include_tax()) {
+                $subtotal -= wpinv_round_amount($tax);
             }
 
-            $total              = $subtotal - $discount + $tax;
+            $total = $subtotal - $discount + $tax;
 
             // Do not allow totals to go negative
-            if( $total < 0 ) {
+            if ($total < 0) {
                 $total = 0;
             }
             
@@ -1869,16 +1869,16 @@ 
             
             $this->cart_details[$found_cart_key] = $cart_item;
             
-            $remove_item = end( $this->cart_details );
+            $remove_item = end($this->cart_details);
         } else {
             $item_price     = $cart_item['item_price'];
-            $discount       = !empty( $cart_item['discount'] ) ? $cart_item['discount'] : 0;
-            $tax            = !empty( $cart_item['tax'] ) ? $cart_item['tax'] : 0;
+            $discount       = !empty($cart_item['discount']) ? $cart_item['discount'] : 0;
+            $tax            = !empty($cart_item['tax']) ? $cart_item['tax'] : 0;
         
-            $subtotal_decrease  = ( $item_price * $quantity ) - $discount;
+            $subtotal_decrease  = ($item_price * $quantity) - $discount;
             $tax_decrease       = $tax;
 
-            unset( $this->cart_details[$found_cart_key] );
+            unset($this->cart_details[$found_cart_key]);
             
             $remove_item             = $args;
             $remove_item['id']       = $item_id;
@@ -1889,8 +1889,8 @@ 
         $remove_item['action']      = 'remove';
         $this->pending['items'][]   = $remove_item;
                
-        $this->decrease_subtotal( $subtotal_decrease );
-        $this->decrease_tax( $tax_decrease );
+        $this->decrease_subtotal($subtotal_decrease);
+        $this->decrease_tax($tax_decrease);
         
         return true;
     }
@@ -1898,7 +1898,7 @@ 
     public function update_items($temp = false) {
         global $wpinv_euvat, $wpi_current_id, $wpi_item_id, $wpi_nosave;
         
-        if ( !empty( $this->cart_details ) ) {
+        if (!empty($this->cart_details)) {
             $wpi_nosave             = $temp;
             $cart_subtotal          = 0;
             $cart_discount          = 0;
@@ -1908,42 +1908,42 @@ 
             $_POST['wpinv_country'] = $this->country;
             $_POST['wpinv_state']   = $this->state;
             
-            foreach ( $this->cart_details as $key => $item ) {
+            foreach ($this->cart_details as $key => $item) {
                 $item_price = $item['item_price'];
-                $quantity   = wpinv_item_quantities_enabled() && $item['quantity'] > 0 ? absint( $item['quantity'] ) : 1;
-                $amount     = wpinv_round_amount( $item_price * $quantity );
+                $quantity   = wpinv_item_quantities_enabled() && $item['quantity'] > 0 ? absint($item['quantity']) : 1;
+                $amount     = wpinv_round_amount($item_price * $quantity);
                 $subtotal   = $item_price * $quantity;
                 
                 $wpi_current_id         = $this->ID;
                 $wpi_item_id            = $item['id'];
                 
-                $discount   = wpinv_get_cart_item_discount_amount( $item, $this->get_discounts() );
+                $discount   = wpinv_get_cart_item_discount_amount($item, $this->get_discounts());
                 
-                $tax_rate   = wpinv_get_tax_rate( $this->country, $this->state, $wpi_item_id );
-                $tax_class  = $wpinv_euvat->get_item_class( $wpi_item_id );
-                $tax        = $item_price > 0 ? ( ( $subtotal - $discount ) * 0.01 * (float)$tax_rate ) : 0;
+                $tax_rate   = wpinv_get_tax_rate($this->country, $this->state, $wpi_item_id);
+                $tax_class  = $wpinv_euvat->get_item_class($wpi_item_id);
+                $tax        = $item_price > 0 ? (($subtotal - $discount) * 0.01 * (float)$tax_rate) : 0;
 
-                if ( wpinv_prices_include_tax() ) {
-                    $subtotal -= wpinv_round_amount( $tax );
+                if (wpinv_prices_include_tax()) {
+                    $subtotal -= wpinv_round_amount($tax);
                 }
 
-                $total      = $subtotal - $discount + $tax;
+                $total = $subtotal - $discount + $tax;
 
                 // Do not allow totals to go negative
-                if( $total < 0 ) {
+                if ($total < 0) {
                     $total = 0;
                 }
 
                 $cart_details[] = array(
                     'id'          => $item['id'],
                     'name'        => $item['name'],
-                    'item_price'  => wpinv_round_amount( $item_price ),
-                    'custom_price'=> ( isset( $item['custom_price'] ) ? $item['custom_price'] : '' ),
+                    'item_price'  => wpinv_round_amount($item_price),
+                    'custom_price'=> (isset($item['custom_price']) ? $item['custom_price'] : ''),
                     'quantity'    => $quantity,
                     'discount'    => $discount,
-                    'subtotal'    => wpinv_round_amount( $subtotal ),
-                    'tax'         => wpinv_round_amount( $tax ),
-                    'price'       => wpinv_round_amount( $total ),
+                    'subtotal'    => wpinv_round_amount($subtotal),
+                    'tax'         => wpinv_round_amount($tax),
+                    'price'       => wpinv_round_amount($total),
                     'vat_rate'    => $tax_rate,
                     'vat_class'   => $tax_class,
                     'meta'        => isset($item['meta']) ? $item['meta'] : array(),
@@ -1954,9 +1954,9 @@ 
                 $cart_discount  += (float)($discount);
                 $cart_tax       += (float)($tax);
             }
-            $this->subtotal = wpinv_round_amount( $cart_subtotal );
-            $this->tax      = wpinv_round_amount( $cart_tax );
-            $this->discount = wpinv_round_amount( $cart_discount );
+            $this->subtotal = wpinv_round_amount($cart_subtotal);
+            $this->tax      = wpinv_round_amount($cart_tax);
+            $this->discount = wpinv_round_amount($cart_discount);
             
             $this->recalculate_total();
             
@@ -1968,221 +1968,221 @@ 
     
     public function recalculate_totals($temp = false) {        
         $this->update_items($temp);
-        $this->save( true );
+        $this->save(true);
         
         return $this;
     }
     
     public function needs_payment() {
-        $valid_invoice_statuses = apply_filters( 'wpinv_valid_invoice_statuses_for_payment', array( 'pending' ), $this );
+        $valid_invoice_statuses = apply_filters('wpinv_valid_invoice_statuses_for_payment', array('pending'), $this);
 
-        if ( $this->has_status( $valid_invoice_statuses ) && ( $this->get_total() > 0 || $this->is_free_trial() || $this->is_free() ) ) {
+        if ($this->has_status($valid_invoice_statuses) && ($this->get_total() > 0 || $this->is_free_trial() || $this->is_free())) {
             $needs_payment = true;
         } else {
             $needs_payment = false;
         }
 
-        return apply_filters( 'wpinv_needs_payment', $needs_payment, $this, $valid_invoice_statuses );
+        return apply_filters('wpinv_needs_payment', $needs_payment, $this, $valid_invoice_statuses);
     }
     
-    public function get_checkout_payment_url( $on_checkout = false, $secret = false ) {
+    public function get_checkout_payment_url($on_checkout = false, $secret = false) {
         $pay_url = wpinv_get_checkout_uri();
 
-        if ( is_ssl() ) {
-            $pay_url = str_replace( 'http:', 'https:', $pay_url );
+        if (is_ssl()) {
+            $pay_url = str_replace('http:', 'https:', $pay_url);
         }
         
         $key = $this->get_key();
 
-        if ( $on_checkout ) {
-            $pay_url = add_query_arg( 'invoice_key', $key, $pay_url );
+        if ($on_checkout) {
+            $pay_url = add_query_arg('invoice_key', $key, $pay_url);
         } else {
-            $pay_url = add_query_arg( array( 'wpi_action' => 'pay_for_invoice', 'invoice_key' => $key ), $pay_url );
+            $pay_url = add_query_arg(array('wpi_action' => 'pay_for_invoice', 'invoice_key' => $key), $pay_url);
         }
         
-        if ( $secret ) {
-            $pay_url = add_query_arg( array( '_wpipay' => md5( $this->get_user_id() . '::' . $this->get_email() . '::' . $key ) ), $pay_url );
+        if ($secret) {
+            $pay_url = add_query_arg(array('_wpipay' => md5($this->get_user_id() . '::' . $this->get_email() . '::' . $key)), $pay_url);
         }
 
-        return apply_filters( 'wpinv_get_checkout_payment_url', $pay_url, $this );
+        return apply_filters('wpinv_get_checkout_payment_url', $pay_url, $this);
     }
     
-    public function get_view_url( $secret = false ) {
-        $print_url = get_permalink( $this->ID );
+    public function get_view_url($secret = false) {
+        $print_url = get_permalink($this->ID);
         
-        if ( $secret ) {
-            $print_url = add_query_arg( array( '_wpipay' => md5( $this->get_user_id() . '::' . $this->get_email() . '::' . $this->get_key() ) ), $print_url );
+        if ($secret) {
+            $print_url = add_query_arg(array('_wpipay' => md5($this->get_user_id() . '::' . $this->get_email() . '::' . $this->get_key())), $print_url);
         }
 
-        return apply_filters( 'wpinv_get_view_url', $print_url, $this );
+        return apply_filters('wpinv_get_view_url', $print_url, $this);
     }
     
-    public function generate_key( $string = '' ) {
-        $auth_key  = defined( 'AUTH_KEY' ) ? AUTH_KEY : '';
-        return strtolower( md5( $string . date( 'Y-m-d H:i:s' ) . $auth_key . uniqid( 'wpinv', true ) ) );  // Unique key
+    public function generate_key($string = '') {
+        $auth_key = defined('AUTH_KEY') ? AUTH_KEY : '';
+        return strtolower(md5($string . date('Y-m-d H:i:s') . $auth_key . uniqid('wpinv', true))); // Unique key
     }
     
     public function is_recurring() {
-        if ( empty( $this->cart_details ) ) {
+        if (empty($this->cart_details)) {
             return false;
         }
         
         $has_subscription = false;
-        foreach( $this->cart_details as $cart_item ) {
-            if ( !empty( $cart_item['id'] ) && wpinv_is_recurring_item( $cart_item['id'] )  ) {
+        foreach ($this->cart_details as $cart_item) {
+            if (!empty($cart_item['id']) && wpinv_is_recurring_item($cart_item['id'])) {
                 $has_subscription = true;
                 break;
             }
         }
         
-        if ( count( $this->cart_details ) > 1 ) {
+        if (count($this->cart_details) > 1) {
             $has_subscription = false;
         }
 
-        return apply_filters( 'wpinv_invoice_has_recurring_item', $has_subscription, $this->cart_details );
+        return apply_filters('wpinv_invoice_has_recurring_item', $has_subscription, $this->cart_details);
     }
     
     public function is_free_trial() {
         $is_free_trial = false;
         
-        if ( $this->is_parent() && $item = $this->get_recurring( true ) ) {
-            if ( !empty( $item ) && $item->has_free_trial() ) {
+        if ($this->is_parent() && $item = $this->get_recurring(true)) {
+            if (!empty($item) && $item->has_free_trial()) {
                 $is_free_trial = true;
             }
         }
 
-        return apply_filters( 'wpinv_invoice_is_free_trial', $is_free_trial, $this->cart_details );
+        return apply_filters('wpinv_invoice_is_free_trial', $is_free_trial, $this->cart_details);
     }
     
-    public function get_recurring( $object = false ) {
+    public function get_recurring($object = false) {
         $item = NULL;
         
-        if ( empty( $this->cart_details ) ) {
+        if (empty($this->cart_details)) {
             return $item;
         }
         
-        foreach( $this->cart_details as $cart_item ) {
-            if ( !empty( $cart_item['id'] ) && wpinv_is_recurring_item( $cart_item['id'] )  ) {
+        foreach ($this->cart_details as $cart_item) {
+            if (!empty($cart_item['id']) && wpinv_is_recurring_item($cart_item['id'])) {
                 $item = $cart_item['id'];
                 break;
             }
         }
         
-        if ( $object ) {
-            $item = $item ? new WPInv_Item( $item ) : NULL;
+        if ($object) {
+            $item = $item ? new WPInv_Item($item) : NULL;
             
-            apply_filters( 'wpinv_invoice_get_recurring_item', $item, $this );
+            apply_filters('wpinv_invoice_get_recurring_item', $item, $this);
         }
 
-        return apply_filters( 'wpinv_invoice_get_recurring_item_id', $item, $this );
+        return apply_filters('wpinv_invoice_get_recurring_item_id', $item, $this);
     }
     
     public function get_subscription_name() {
-        $item = $this->get_recurring( true );
+        $item = $this->get_recurring(true);
         
-        if ( empty( $item ) ) {
+        if (empty($item)) {
             return NULL;
         }
         
-        if ( !($name = $item->get_name()) ) {
+        if (!($name = $item->get_name())) {
             $name = $item->post_name;
         }
 
-        return apply_filters( 'wpinv_invoice_get_subscription_name', $name, $this );
+        return apply_filters('wpinv_invoice_get_subscription_name', $name, $this);
     }
         
     public function get_expiration() {
-        $expiration = $this->get_meta( '_wpinv_subscr_expiration', true );
+        $expiration = $this->get_meta('_wpinv_subscr_expiration', true);
         return $expiration;
     }
     
-    public function get_cancelled_date( $formatted = true ) {
-        $cancelled_date = $this->get_subscription_status() == 'cancelled' ? $this->get_meta( '_wpinv_subscr_cancelled_on', true ) : '';
+    public function get_cancelled_date($formatted = true) {
+        $cancelled_date = $this->get_subscription_status() == 'cancelled' ? $this->get_meta('_wpinv_subscr_cancelled_on', true) : '';
         
-        if ( $formatted && $cancelled_date ) {
-            $cancelled_date = date_i18n( get_option( 'date_format' ), strtotime( $cancelled_date ) );
+        if ($formatted && $cancelled_date) {
+            $cancelled_date = date_i18n(get_option('date_format'), strtotime($cancelled_date));
         }
         
         return $cancelled_date;
     }
     
-    public function get_trial_end_date( $formatted = true ) {
-        if ( !$this->is_free_trial() || !$this->is_paid() ) {
+    public function get_trial_end_date($formatted = true) {
+        if (!$this->is_free_trial() || !$this->is_paid()) {
             return NULL;
         }
         
-        $trial_end_date = $this->get_subscription_status() == 'trialing' ? $this->get_meta( '_wpinv_subscr_trial_end', true ) : '';
+        $trial_end_date = $this->get_subscription_status() == 'trialing' ? $this->get_meta('_wpinv_subscr_trial_end', true) : '';
         
-        if ( empty( $trial_end_date ) ) {
-            $trial_start_time = strtotime( $this->get_subscription_start() );
-            $trial_start_time += ( wpinv_period_in_days( $this->get_subscription_trial_interval(), $this->get_subscription_trial_period() ) * DAY_IN_SECONDS ) ;
+        if (empty($trial_end_date)) {
+            $trial_start_time = strtotime($this->get_subscription_start());
+            $trial_start_time += (wpinv_period_in_days($this->get_subscription_trial_interval(), $this->get_subscription_trial_period()) * DAY_IN_SECONDS);
             
-            $trial_end_date = date_i18n( 'Y-m-d H:i:s', $trial_start_time );
+            $trial_end_date = date_i18n('Y-m-d H:i:s', $trial_start_time);
         }
         
-        if ( $formatted && $trial_end_date ) {
-            $trial_end_date = date_i18n( get_option( 'date_format' ), strtotime( $trial_end_date ) );
+        if ($formatted && $trial_end_date) {
+            $trial_end_date = date_i18n(get_option('date_format'), strtotime($trial_end_date));
         }
         
         return $trial_end_date;
     }
     
-    public function get_subscription_created( $default = true ) {
-        $created = $this->get_meta( '_wpinv_subscr_created', true );
+    public function get_subscription_created($default = true) {
+        $created = $this->get_meta('_wpinv_subscr_created', true);
         
-        if ( empty( $created ) && $default ) {
+        if (empty($created) && $default) {
             $created = $this->date;
         }
         return $created;
     }
     
-    public function get_subscription_start( $formatted = true ) {
-        if ( !$this->is_paid() ) {
+    public function get_subscription_start($formatted = true) {
+        if (!$this->is_paid()) {
             return '-';
         }
-        $start   = $this->get_subscription_created();
+        $start = $this->get_subscription_created();
         
-        if ( $formatted ) {
-            $date = date_i18n( get_option( 'date_format' ), strtotime( $start ) );
+        if ($formatted) {
+            $date = date_i18n(get_option('date_format'), strtotime($start));
         } else {
-            $date = date_i18n( 'Y-m-d H:i:s', strtotime( $start ) );
+            $date = date_i18n('Y-m-d H:i:s', strtotime($start));
         }
 
         return $date;
     }
     
-    public function get_subscription_end( $formatted = true ) {
-        if ( !$this->is_paid() ) {
+    public function get_subscription_end($formatted = true) {
+        if (!$this->is_paid()) {
             return '-';
         }
         $start          = $this->get_subscription_created();
         $interval       = $this->get_subscription_interval();
-        $period         = $this->get_subscription_period( true );
+        $period         = $this->get_subscription_period(true);
         $bill_times     = (int)$this->get_bill_times();
         
-        if ( $bill_times == 0 ) {
-            return $formatted ? __( 'Until cancelled', 'invoicing' ) : $bill_times;
+        if ($bill_times == 0) {
+            return $formatted ? __('Until cancelled', 'invoicing') : $bill_times;
         }
         
-        $total_period = $start . '+' . ( $interval * $bill_times ) . ' ' . $period;
+        $total_period = $start . '+' . ($interval * $bill_times) . ' ' . $period;
         
-        $end_time = strtotime( $start . '+' . ( $interval * $bill_times ) . ' ' . $period );
+        $end_time = strtotime($start . '+' . ($interval * $bill_times) . ' ' . $period);
         
-        if ( $this->is_free_trial() ) {
-            $end_time += ( wpinv_period_in_days( $this->get_subscription_trial_interval(), $this->get_subscription_trial_period() ) * DAY_IN_SECONDS ) ;
+        if ($this->is_free_trial()) {
+            $end_time += (wpinv_period_in_days($this->get_subscription_trial_interval(), $this->get_subscription_trial_period()) * DAY_IN_SECONDS);
         }
         
-        if ( $formatted ) {
-            $date = date_i18n( get_option( 'date_format' ), $end_time );
+        if ($formatted) {
+            $date = date_i18n(get_option('date_format'), $end_time);
         } else {
-            $date = date_i18n( 'Y-m-d H:i:s', $end_time );
+            $date = date_i18n('Y-m-d H:i:s', $end_time);
         }
 
         return $date;
     }
     
     public function get_expiration_time() {
-        return strtotime( $this->get_expiration(), current_time( 'timestamp' ) );
+        return strtotime($this->get_expiration(), current_time('timestamp'));
     }
     
     public function get_original_invoice_id() {        
@@ -2194,125 +2194,125 @@ 
         return $subscription_data['bill_times'];
     }
 
-    public function get_child_payments( $self = false ) {
-        $invoices = get_posts( array(
+    public function get_child_payments($self = false) {
+        $invoices = get_posts(array(
             'post_type'         => $this->post_type,
             'post_parent'       => (int)$this->ID,
             'posts_per_page'    => '999',
-            'post_status'       => array( 'publish', 'wpi-processing', 'wpi-renewal' ),
+            'post_status'       => array('publish', 'wpi-processing', 'wpi-renewal'),
             'orderby'           => 'ID',
             'order'             => 'DESC',
             'fields'            => 'ids'
-        ) );
+        ));
         
-        if ( $this->is_free_trial() ) {
+        if ($this->is_free_trial()) {
             $self = false;
         }
         
-        if ( $self && $this->is_paid() ) {
-            if ( !empty( $invoices ) ) {
+        if ($self && $this->is_paid()) {
+            if (!empty($invoices)) {
                 $invoices[] = (int)$this->ID;
             } else {
-                $invoices = array( $this->ID );
+                $invoices = array($this->ID);
             }
             
-            $invoices = array_unique( $invoices );
+            $invoices = array_unique($invoices);
         }
 
         return $invoices;
     }
 
-    public function get_total_payments( $self = true ) {
-        return count( $this->get_child_payments( $self ) );
+    public function get_total_payments($self = true) {
+        return count($this->get_child_payments($self));
     }
     
-    public function get_subscriptions( $limit = -1 ) {
-        $subscriptions = wpinv_get_subscriptions( array( 'parent_invoice_id' => $this->ID, 'numberposts' => $limit ) );
+    public function get_subscriptions($limit = -1) {
+        $subscriptions = wpinv_get_subscriptions(array('parent_invoice_id' => $this->ID, 'numberposts' => $limit));
 
         return $subscriptions;
     }
     
     public function get_subscription_id() {
-        $subscription_id = $this->get_meta( '_wpinv_subscr_profile_id', true );
+        $subscription_id = $this->get_meta('_wpinv_subscr_profile_id', true);
         
-        if ( empty( $subscription_id ) && !empty( $this->parent_invoice ) ) {
-            $parent_invoice = wpinv_get_invoice( $this->parent_invoice );
+        if (empty($subscription_id) && !empty($this->parent_invoice)) {
+            $parent_invoice = wpinv_get_invoice($this->parent_invoice);
             
-            $subscription_id = $parent_invoice->get_meta( '_wpinv_subscr_profile_id', true );
+            $subscription_id = $parent_invoice->get_meta('_wpinv_subscr_profile_id', true);
         }
         
         return $subscription_id;
     }
     
     public function get_subscription_status() {
-        $subscription_status = $this->get_meta( '_wpinv_subscr_status', true );
+        $subscription_status = $this->get_meta('_wpinv_subscr_status', true);
 
-        if ( empty( $subscription_status ) ) {
+        if (empty($subscription_status)) {
             $status = 'pending';
             
-            if ( $this->is_paid() ) {        
+            if ($this->is_paid()) {        
                 $bill_times   = (int)$this->get_bill_times();
                 $times_billed = (int)$this->get_total_payments();
-                $expiration = $this->get_subscription_end( false );
-                $expired = $bill_times != 0 && $expiration != '' && $expiration != '-' && strtotime( date_i18n( 'Y-m-d', strtotime( $expiration ) ) ) < strtotime( date_i18n( 'Y-m-d', current_time( 'timestamp' ) ) ) ? true : false;
+                $expiration = $this->get_subscription_end(false);
+                $expired = $bill_times != 0 && $expiration != '' && $expiration != '-' && strtotime(date_i18n('Y-m-d', strtotime($expiration))) < strtotime(date_i18n('Y-m-d', current_time('timestamp'))) ? true : false;
                 
-                if ( (int)$bill_times == 0 ) {
+                if ((int)$bill_times == 0) {
                     $status = $expired ? 'expired' : 'active';
-                } else if ( $bill_times > 0 && $times_billed >= $bill_times ) {
+                } else if ($bill_times > 0 && $times_billed >= $bill_times) {
                     $status = 'completed';
-                } else if ( $expired ) {
+                } else if ($expired) {
                     $status = 'expired';
-                } else if ( $bill_times > 0 ) {
+                } else if ($bill_times > 0) {
                     $status = 'active';
                 } else {
                     $status = 'pending';
                 }
             }
             
-            if ( $status && $status != $subscription_status ) {
+            if ($status && $status != $subscription_status) {
                 $subscription_status = $status;
                 
-                $this->update_meta( '_wpinv_subscr_status', $status );
+                $this->update_meta('_wpinv_subscr_status', $status);
             }
         }
         
         return $subscription_status;
     }
     
-    public function get_subscription_status_label( $status = '' ) {
-        $status = !empty( $status ) ? $status : $this->get_subscription_status();
+    public function get_subscription_status_label($status = '') {
+        $status = !empty($status) ? $status : $this->get_subscription_status();
 
-        switch( $status ) {
+        switch ($status) {
             case 'active' :
-                $status_label = __( 'Active', 'invoicing' );
+                $status_label = __('Active', 'invoicing');
                 break;
 
             case 'cancelled' :
-                $status_label = __( 'Cancelled', 'invoicing' );
+                $status_label = __('Cancelled', 'invoicing');
                 break;
                 
             case 'completed' :
-                $status_label = __( 'Completed', 'invoicing' );
+                $status_label = __('Completed', 'invoicing');
                 break;
 
             case 'expired' :
-                $status_label = __( 'Expired', 'invoicing' );
+                $status_label = __('Expired', 'invoicing');
                 break;
 
             case 'pending' :
-                $status_label = __( 'Pending', 'invoicing' );
+                $status_label = __('Pending', 'invoicing');
                 break;
 
             case 'failing' :
-                $status_label = __( 'Failing', 'invoicing' );
+                $status_label = __('Failing', 'invoicing');
                 break;
                 
             case 'stopped' :
-                $status_label = __( 'Stopped', 'invoicing' );
+                $status_label = __('Stopped', 'invoicing');
                 break;
                 
             case 'trialing' :
-                $status_label = __( 'Trialing', 'invoicing' );
+                $status_label = __('Trialing', 'invoicing');
                 break;
 
             default:
@@ -2323,26 +2323,26 @@ 
         return $status_label;
     }
     
-    public function get_subscription_period( $full = false ) {
-        $period = $this->get_meta( '_wpinv_subscr_period', true );
+    public function get_subscription_period($full = false) {
+        $period = $this->get_meta('_wpinv_subscr_period', true);
         
         // Fix period for old invoices
-        if ( $period == 'day' ) {
+        if ($period == 'day') {
             $period = 'D';
-        } else if ( $period == 'week' ) {
+        } else if ($period == 'week') {
             $period = 'W';
-        } else if ( $period == 'month' ) {
+        } else if ($period == 'month') {
             $period = 'M';
-        } else if ( $period == 'year' ) {
+        } else if ($period == 'year') {
             $period = 'Y';
         }
         
-        if ( !in_array( $period, array( 'D', 'W', 'M', 'Y' ) ) ) {
+        if (!in_array($period, array('D', 'W', 'M', 'Y'))) {
             $period = 'D';
         }
         
-        if ( $full ) {
-            switch( $period ) {
+        if ($full) {
+            switch ($period) {
                 case 'D':
                     $period = 'day';
                 break;
@@ -2362,39 +2362,39 @@ 
     }
     
     public function get_subscription_interval() {
-        $interval = (int)$this->get_meta( '_wpinv_subscr_interval', true );
+        $interval = (int)$this->get_meta('_wpinv_subscr_interval', true);
         
-        if ( !$interval > 0 ) {
+        if (!$interval > 0) {
             $interval = 1;
         }
         
         return $interval;
     }
     
-    public function get_subscription_trial_period( $full = false ) {
-        if ( !$this->is_free_trial() ) {
+    public function get_subscription_trial_period($full = false) {
+        if (!$this->is_free_trial()) {
             return '';
         }
         
-        $period = $this->get_meta( '_wpinv_subscr_trial_period', true );
+        $period = $this->get_meta('_wpinv_subscr_trial_period', true);
         
         // Fix period for old invoices
-        if ( $period == 'day' ) {
+        if ($period == 'day') {
             $period = 'D';
-        } else if ( $period == 'week' ) {
+        } else if ($period == 'week') {
             $period = 'W';
-        } else if ( $period == 'month' ) {
+        } else if ($period == 'month') {
             $period = 'M';
-        } else if ( $period == 'year' ) {
+        } else if ($period == 'year') {
             $period = 'Y';
         }
         
-        if ( !in_array( $period, array( 'D', 'W', 'M', 'Y' ) ) ) {
+        if (!in_array($period, array('D', 'W', 'M', 'Y'))) {
             $period = 'D';
         }
         
-        if ( $full ) {
-            switch( $period ) {
+        if ($full) {
+            switch ($period) {
                 case 'D':
                     $period = 'day';
                 break;
@@ -2414,13 +2414,13 @@ 
     }
     
     public function get_subscription_trial_interval() {
-        if ( !$this->is_free_trial() ) {
+        if (!$this->is_free_trial()) {
             return 0;
         }
         
-        $interval = (int)$this->get_meta( '_wpinv_subscr_trial_interval', true );
+        $interval = (int)$this->get_meta('_wpinv_subscr_trial_interval', true);
         
-        if ( !$interval > 0 ) {
+        if (!$interval > 0) {
             $interval = 1;
         }
         
@@ -2432,8 +2432,8 @@ 
             'status' => 'failing'
         );
 
-        if ( $this->update_subscription( $args ) ) {
-            do_action( 'wpinv_subscription_failing', $this->ID, $this );
+        if ($this->update_subscription($args)) {
+            do_action('wpinv_subscription_failing', $this->ID, $this);
             return true;
         }
 
@@ -2445,8 +2445,8 @@ 
             'status' => 'stopped'
         );
 
-        if ( $this->update_subscription( $args ) ) {
-            do_action( 'wpinv_subscription_stopped', $this->ID, $this );
+        if ($this->update_subscription($args)) {
+            do_action('wpinv_subscription_stopped', $this->ID, $this);
             return true;
         }
 
@@ -2458,8 +2458,8 @@ 
             'status' => 'active'
         );
 
-        if ( $this->update_subscription( $args ) ) {
-            do_action( 'wpinv_subscription_restarted', $this->ID, $this );
+        if ($this->update_subscription($args)) {
+            do_action('wpinv_subscription_restarted', $this->ID, $this);
             return true;
         }
 
@@ -2471,23 +2471,23 @@ 
             'status' => 'cancelled'
         );
 
-        if ( $this->update_subscription( $args ) ) {
-            if ( is_user_logged_in() ) {
-                $userdata = get_userdata( get_current_user_id() );
+        if ($this->update_subscription($args)) {
+            if (is_user_logged_in()) {
+                $userdata = get_userdata(get_current_user_id());
                 $user     = $userdata->user_login;
             } else {
-                $user = __( 'gateway', 'invoicing' );
+                $user = __('gateway', 'invoicing');
             }
             
             $subscription_id = $this->get_subscription_id();
-            if ( !$subscription_id ) {
+            if (!$subscription_id) {
                 $subscription_id = $this->ID;
             }
 
-            $note = sprintf( __( 'Subscription %s has been cancelled by %s', 'invoicing' ), $subscription_id, $user );
-            $this->add_note( $note );
+            $note = sprintf(__('Subscription %s has been cancelled by %s', 'invoicing'), $subscription_id, $user);
+            $this->add_note($note);
 
-            do_action( 'wpinv_subscription_cancelled', $this->ID, $this );
+            do_action('wpinv_subscription_cancelled', $this->ID, $this);
             return true;
         }
 
@@ -2495,11 +2495,11 @@ 
     }
 
     public function can_cancel() {
-        return apply_filters( 'wpinv_subscription_can_cancel', false, $this );
+        return apply_filters('wpinv_subscription_can_cancel', false, $this);
     }
     
-    public function add_subscription( $data = array() ) {
-        if ( empty( $this->ID ) ) {
+    public function add_subscription($data = array()) {
+        if (empty($this->ID)) {
             return false;
         }
 
@@ -2518,85 +2518,85 @@ 
             'profile_id'        => '',
         );
 
-        $args = wp_parse_args( $data, $defaults );
+        $args = wp_parse_args($data, $defaults);
 
-        if ( $args['expiration'] && strtotime( 'NOW', current_time( 'timestamp' ) ) > strtotime( $args['expiration'], current_time( 'timestamp' ) ) ) {
-            if ( 'active' == $args['status'] || $args['status'] == 'trialing' ) {
+        if ($args['expiration'] && strtotime('NOW', current_time('timestamp')) > strtotime($args['expiration'], current_time('timestamp'))) {
+            if ('active' == $args['status'] || $args['status'] == 'trialing') {
                 $args['status'] = 'expired';
             }
         }
 
-        do_action( 'wpinv_subscription_pre_create', $args, $data, $this );
+        do_action('wpinv_subscription_pre_create', $args, $data, $this);
         
-        if ( !empty( $args ) ) {
-            foreach ( $args as $key => $value ) {
-                $this->update_meta( '_wpinv_subscr_' . $key, $value );
+        if (!empty($args)) {
+            foreach ($args as $key => $value) {
+                $this->update_meta('_wpinv_subscr_' . $key, $value);
             }
         }
 
-        do_action( 'wpinv_subscription_post_create', $args, $data, $this );
+        do_action('wpinv_subscription_post_create', $args, $data, $this);
 
         return true;
     }
     
-    public function update_subscription( $args = array() ) {
-        if ( empty( $this->ID ) ) {
+    public function update_subscription($args = array()) {
+        if (empty($this->ID)) {
             return false;
         }
 
-        if ( !empty( $args['expiration'] ) && $args['expiration'] && strtotime( 'NOW', current_time( 'timestamp' ) ) > strtotime( $args['expiration'], current_time( 'timestamp' ) ) ) {
-            if ( !isset( $args['status'] ) || ( isset( $args['status'] ) && ( 'active' == $args['status'] || $args['status'] == 'trialing' ) ) ) {
+        if (!empty($args['expiration']) && $args['expiration'] && strtotime('NOW', current_time('timestamp')) > strtotime($args['expiration'], current_time('timestamp'))) {
+            if (!isset($args['status']) || (isset($args['status']) && ('active' == $args['status'] || $args['status'] == 'trialing'))) {
                 $args['status'] = 'expired';
             }
         }
 
-        if ( isset( $args['status'] ) && $args['status'] == 'cancelled' && empty( $args['cancelled_on'] ) ) {
-            $args['cancelled_on'] = date_i18n( 'Y-m-d H:i:s', current_time( 'timestamp' ) );
+        if (isset($args['status']) && $args['status'] == 'cancelled' && empty($args['cancelled_on'])) {
+            $args['cancelled_on'] = date_i18n('Y-m-d H:i:s', current_time('timestamp'));
         }
 
-        do_action( 'wpinv_subscription_pre_update', $args, $this );
+        do_action('wpinv_subscription_pre_update', $args, $this);
         
-        if ( !empty( $args ) ) {
-            foreach ( $args as $key => $value ) {
-                $this->update_meta( '_wpinv_subscr_' . $key, $value );
+        if (!empty($args)) {
+            foreach ($args as $key => $value) {
+                $this->update_meta('_wpinv_subscr_' . $key, $value);
             }
         }
 
-        do_action( 'wpinv_subscription_post_update', $args, $this );
+        do_action('wpinv_subscription_post_update', $args, $this);
 
         return true;
     }
     
     public function renew_subscription() {
         $parent_invoice = $this->get_parent_payment();
-        $parent_invoice = empty( $parent_invoice ) ? $this : $parent_invoice;
+        $parent_invoice = empty($parent_invoice) ? $this : $parent_invoice;
         
-        $current_time   = current_time( 'timestamp' );
+        $current_time   = current_time('timestamp');
         $start          = $this->get_subscription_created();
-        $start          = $start ? strtotime( $start ) : $current_time;
+        $start          = $start ? strtotime($start) : $current_time;
         $expires        = $this->get_expiration_time();
         
-        if ( !$expires ) {
-            $expires    = strtotime( '+' . $parent_invoice->get_subscription_interval() . ' ' . $parent_invoice->get_subscription_period( true ), $start );
+        if (!$expires) {
+            $expires    = strtotime('+' . $parent_invoice->get_subscription_interval() . ' ' . $parent_invoice->get_subscription_period(true), $start);
         }
         
-        $expiration     = date_i18n( 'Y-m-d 23:59:59', $expires );
-        $expiration     = apply_filters( 'wpinv_subscription_renewal_expiration', $expiration, $this->ID, $this );
+        $expiration     = date_i18n('Y-m-d 23:59:59', $expires);
+        $expiration     = apply_filters('wpinv_subscription_renewal_expiration', $expiration, $this->ID, $this);
         $bill_times     = $parent_invoice->get_bill_times();
         $times_billed   = $parent_invoice->get_total_payments();
         
-        if ( $parent_invoice->get_subscription_status() == 'trialing' && ( $times_billed > 0 || strtotime( date_i18n( 'Y-m-d' ) ) < strtotime( $parent_invoice->get_trial_end_date( false ) ) ) ) {
+        if ($parent_invoice->get_subscription_status() == 'trialing' && ($times_billed > 0 || strtotime(date_i18n('Y-m-d')) < strtotime($parent_invoice->get_trial_end_date(false)))) {
             $args = array(
                 'status'     => 'active',
             );
 
-            $parent_invoice->update_subscription( $args );
+            $parent_invoice->update_subscription($args);
         }
         
-        do_action( 'wpinv_subscription_pre_renew', $this->ID, $expiration, $this );
+        do_action('wpinv_subscription_pre_renew', $this->ID, $expiration, $this);
 
-        $status       = 'active';
-        if ( $bill_times > 0 && $times_billed >= $bill_times ) {
+        $status = 'active';
+        if ($bill_times > 0 && $times_billed >= $bill_times) {
             $this->complete_subscription();
             $status = 'completed';
         }
@@ -2606,10 +2606,10 @@ 
             'status'     => $status,
         );
 
-        $this->update_subscription( $args );
+        $this->update_subscription($args);
 
-        do_action( 'wpinv_subscription_post_renew', $this->ID, $expiration, $this );
-        do_action( 'wpinv_recurring_set_subscription_status', $this->ID, $status, $this );
+        do_action('wpinv_subscription_post_renew', $this->ID, $expiration, $this);
+        do_action('wpinv_recurring_set_subscription_status', $this->ID, $status, $this);
     }
     
     public function complete_subscription() {
@@ -2617,8 +2617,8 @@ 
             'status' => 'completed'
         );
 
-        if ( $this->update_subscription( $args ) ) {
-            do_action( 'wpinv_subscription_completed', $this->ID, $this );
+        if ($this->update_subscription($args)) {
+            do_action('wpinv_subscription_completed', $this->ID, $this);
         }
     }
     
@@ -2627,44 +2627,44 @@ 
             'status' => 'expired'
         );
 
-        if ( $this->update_subscription( $args ) ) {
-            do_action( 'wpinv_subscription_expired', $this->ID, $this );
+        if ($this->update_subscription($args)) {
+            do_action('wpinv_subscription_expired', $this->ID, $this);
         }
     }
 
     public function get_cancel_url() {
-        $url = wp_nonce_url( add_query_arg( array( 'wpi_action' => 'cancel_subscription', 'sub_id' => $this->ID ) ), 'wpinv-recurring-cancel' );
+        $url = wp_nonce_url(add_query_arg(array('wpi_action' => 'cancel_subscription', 'sub_id' => $this->ID)), 'wpinv-recurring-cancel');
 
-        return apply_filters( 'wpinv_subscription_cancel_url', $url, $this );
+        return apply_filters('wpinv_subscription_cancel_url', $url, $this);
     }
 
     public function can_update() {
-        return apply_filters( 'wpinv_subscription_can_update', false, $this );
+        return apply_filters('wpinv_subscription_can_update', false, $this);
     }
 
     public function get_update_url() {
-        $url = add_query_arg( array( 'action' => 'update', 'sub_id' => $this->ID ) );
+        $url = add_query_arg(array('action' => 'update', 'sub_id' => $this->ID));
 
-        return apply_filters( 'wpinv_subscription_update_url', $url, $this );
+        return apply_filters('wpinv_subscription_update_url', $url, $this);
     }
 
     public function is_parent() {
-        $is_parent = empty( $this->parent_invoice ) ? true : false;
+        $is_parent = empty($this->parent_invoice) ? true : false;
 
-        return apply_filters( 'wpinv_invoice_is_parent', $is_parent, $this );
+        return apply_filters('wpinv_invoice_is_parent', $is_parent, $this);
     }
     
     public function is_renewal() {
         $is_renewal = $this->parent_invoice && $this->parent_invoice != $this->ID ? true : false;
 
-        return apply_filters( 'wpinv_invoice_is_renewal', $is_renewal, $this );
+        return apply_filters('wpinv_invoice_is_renewal', $is_renewal, $this);
     }
     
     public function get_parent_payment() {
         $parent_payment = NULL;
         
-        if ( $this->is_renewal() ) {
-            $parent_payment = wpinv_get_invoice( $this->parent_invoice );
+        if ($this->is_renewal()) {
+            $parent_payment = wpinv_get_invoice($this->parent_invoice);
         }
         
         return $parent_payment;
@@ -2675,100 +2675,100 @@ 
         
         $subscription_status = $this->get_subscription_status();
 
-        if( ! $this->is_subscription_expired() && ( $subscription_status == 'active' || $subscription_status == 'cancelled' || $subscription_status == 'trialing' ) ) {
+        if (!$this->is_subscription_expired() && ($subscription_status == 'active' || $subscription_status == 'cancelled' || $subscription_status == 'trialing')) {
             $ret = true;
         }
 
-        return apply_filters( 'wpinv_subscription_is_active', $ret, $this->ID, $this );
+        return apply_filters('wpinv_subscription_is_active', $ret, $this->ID, $this);
     }
 
     public function is_subscription_expired() {
         $ret = false;
         $subscription_status = $this->get_subscription_status();
 
-        if ( $subscription_status == 'expired' ) {
+        if ($subscription_status == 'expired') {
             $ret = true;
-        } else if ( 'active' === $subscription_status || 'cancelled' === $subscription_status || 'trialing' == $subscription_status ) {
+        } else if ('active' === $subscription_status || 'cancelled' === $subscription_status || 'trialing' == $subscription_status) {
             $ret        = false;
             $expiration = $this->get_expiration_time();
 
-            if ( $expiration && strtotime( 'NOW', current_time( 'timestamp' ) ) > $expiration ) {
+            if ($expiration && strtotime('NOW', current_time('timestamp')) > $expiration) {
                 $ret = true;
 
-                if ( 'active' === $subscription_status || 'trialing' === $subscription_status ) {
+                if ('active' === $subscription_status || 'trialing' === $subscription_status) {
                     $this->expire_subscription();
                 }
             }
         }
 
-        return apply_filters( 'wpinv_subscription_is_expired', $ret, $this->ID, $this );
+        return apply_filters('wpinv_subscription_is_expired', $ret, $this->ID, $this);
     }
     
-    public function get_new_expiration( $item_id = 0, $trial = true ) {
-        $item   = new WPInv_Item( $item_id );
+    public function get_new_expiration($item_id = 0, $trial = true) {
+        $item   = new WPInv_Item($item_id);
         $interval = $item->get_recurring_interval();
-        $period = $item->get_recurring_period( true );
+        $period = $item->get_recurring_period(true);
         
-        $expiration_time = strtotime( '+' . $interval . ' ' . $period );
+        $expiration_time = strtotime('+' . $interval . ' ' . $period);
         
-        if ( $trial && $this->is_free_trial() && $item->has_free_trial() ) {
-            $expiration_time += ( wpinv_period_in_days( $item->get_trial_interval(), $item->get_trial_period() ) * DAY_IN_SECONDS ) ;
+        if ($trial && $this->is_free_trial() && $item->has_free_trial()) {
+            $expiration_time += (wpinv_period_in_days($item->get_trial_interval(), $item->get_trial_period()) * DAY_IN_SECONDS);
         }
 
-        return date_i18n( 'Y-m-d 23:59:59', $expiration_time );
+        return date_i18n('Y-m-d 23:59:59', $expiration_time);
     }
     
-    public function get_subscription_data( $filed = '' ) {
-        $fields = array( 'item_id', 'status', 'period', 'initial_amount', 'recurring_amount', 'interval', 'bill_times', 'trial_period', 'trial_interval', 'expiration', 'profile_id', 'created', 'cancelled_on' );
+    public function get_subscription_data($filed = '') {
+        $fields = array('item_id', 'status', 'period', 'initial_amount', 'recurring_amount', 'interval', 'bill_times', 'trial_period', 'trial_interval', 'expiration', 'profile_id', 'created', 'cancelled_on');
         
         $subscription_meta = array();
-        foreach ( $fields as $field ) {
-            $subscription_meta[ $field ] = $this->get_meta( '_wpinv_subscr_' . $field );
+        foreach ($fields as $field) {
+            $subscription_meta[$field] = $this->get_meta('_wpinv_subscr_' . $field);
         }
         
-        $item = $this->get_recurring( true );
+        $item = $this->get_recurring(true);
         
-        if ( !empty( $item ) ) {
-            if ( empty( $subscription_meta['item_id'] ) ) {
+        if (!empty($item)) {
+            if (empty($subscription_meta['item_id'])) {
                 $subscription_meta['item_id'] = $item->ID;
             }
-            if ( empty( $subscription_meta['period'] ) ) {
+            if (empty($subscription_meta['period'])) {
                 $subscription_meta['period'] = $item->get_recurring_period();
             }
-            if ( empty( $subscription_meta['interval'] ) ) {
+            if (empty($subscription_meta['interval'])) {
                 $subscription_meta['interval'] = $item->get_recurring_interval();
             }
-            if ( $item->has_free_trial() ) {
-                if ( empty( $subscription_meta['trial_period'] ) ) {
+            if ($item->has_free_trial()) {
+                if (empty($subscription_meta['trial_period'])) {
                     $subscription_meta['trial_period'] = $item->get_trial_period();
                 }
-                if ( empty( $subscription_meta['trial_interval'] ) ) {
+                if (empty($subscription_meta['trial_interval'])) {
                     $subscription_meta['trial_interval'] = $item->get_trial_interval();
                 }
             } else {
                 $subscription_meta['trial_period']      = '';
                 $subscription_meta['trial_interval']    = 0;
             }
-            if ( !$subscription_meta['bill_times'] && $subscription_meta['bill_times'] !== 0 ) {
+            if (!$subscription_meta['bill_times'] && $subscription_meta['bill_times'] !== 0) {
                 $subscription_meta['bill_times'] = $item->get_recurring_limit();
             }
-            if ( $subscription_meta['initial_amount'] === '' || $subscription_meta['recurring_amount'] === '' ) {
-                $subscription_meta['initial_amount']    = wpinv_round_amount( $this->get_total() );
-                $subscription_meta['recurring_amount']  = wpinv_round_amount( $this->get_recurring_details( 'total' ) );
+            if ($subscription_meta['initial_amount'] === '' || $subscription_meta['recurring_amount'] === '') {
+                $subscription_meta['initial_amount']    = wpinv_round_amount($this->get_total());
+                $subscription_meta['recurring_amount']  = wpinv_round_amount($this->get_recurring_details('total'));
             }
         }
         
-        if ( $filed === '' ) {
-            return apply_filters( 'wpinv_get_invoice_subscription_data', $subscription_meta, $this );
+        if ($filed === '') {
+            return apply_filters('wpinv_get_invoice_subscription_data', $subscription_meta, $this);
         }
         
-        $value = isset( $subscription_meta[$filed] ) ? $subscription_meta[$filed] : '';
+        $value = isset($subscription_meta[$filed]) ? $subscription_meta[$filed] : '';
         
-        return apply_filters( 'wpinv_invoice_subscription_data_value', $value, $subscription_meta, $this );
+        return apply_filters('wpinv_invoice_subscription_data_value', $value, $subscription_meta, $this);
     }
     
     public function is_paid() {
-        if ( $this->has_status( array( 'publish', 'wpi-processing', 'wpi-renewal' ) ) ) {
+        if ($this->has_status(array('publish', 'wpi-processing', 'wpi-renewal'))) {
             return true;
         }
         
@@ -2778,15 +2778,15 @@ 
     public function is_free() {
         $is_free = false;
         
-        if ( !( (float)wpinv_round_amount( $this->get_total() ) > 0 ) ) {
-            if ( $this->is_parent() && $this->is_recurring() ) {
-                $is_free = (float)wpinv_round_amount( $this->get_recurring_details( 'total' ) ) > 0 ? false : true;
+        if (!((float)wpinv_round_amount($this->get_total()) > 0)) {
+            if ($this->is_parent() && $this->is_recurring()) {
+                $is_free = (float)wpinv_round_amount($this->get_recurring_details('total')) > 0 ? false : true;
             } else {
                 $is_free = true;
             }
         }
         
-        return apply_filters( 'wpinv_invoice_is_free', $is_free, $this );
+        return apply_filters('wpinv_invoice_is_free', $is_free, $this);
     }
     
     public function has_vat() {
@@ -2794,41 +2794,41 @@ 
         
         $requires_vat = false;
         
-        if ( $this->country ) {
+        if ($this->country) {
             $wpi_country        = $this->country;
             
-            $requires_vat       = $wpinv_euvat->requires_vat( $requires_vat, $this->get_user_id(), $wpinv_euvat->invoice_has_digital_rule( $this ) );
+            $requires_vat       = $wpinv_euvat->requires_vat($requires_vat, $this->get_user_id(), $wpinv_euvat->invoice_has_digital_rule($this));
         }
         
-        return apply_filters( 'wpinv_invoice_has_vat', $requires_vat, $this );
+        return apply_filters('wpinv_invoice_has_vat', $requires_vat, $this);
     }
     
     public function refresh_item_ids() {
         $item_ids = array();
         
-        if ( !empty( $this->cart_details ) ) {
-            foreach ( $this->cart_details as $key => $item ) {
-                if ( !empty( $item['id'] ) ) {
+        if (!empty($this->cart_details)) {
+            foreach ($this->cart_details as $key => $item) {
+                if (!empty($item['id'])) {
                     $item_ids[] = $item['id'];
                 }
             }
         }
         
-        $item_ids = !empty( $item_ids ) ? implode( ',', array_unique( $item_ids ) ) : '';
+        $item_ids = !empty($item_ids) ? implode(',', array_unique($item_ids)) : '';
         
-        update_post_meta( $this->ID, '_wpinv_item_ids', $item_ids );
+        update_post_meta($this->ID, '_wpinv_item_ids', $item_ids);
     }
     
-    public function get_invoice_quote_type( $post_id ) {
-        if ( empty( $post_id ) ) {
+    public function get_invoice_quote_type($post_id) {
+        if (empty($post_id)) {
             return '';
         }
 
-        $type = get_post_type( $post_id );
+        $type = get_post_type($post_id);
 
-        if ( 'wpi_invoice' === $type ) {
+        if ('wpi_invoice' === $type) {
             $post_type = __('Invoice', 'invoicing');
-        } else{
+        } else {
             $post_type = __('Quote', 'invoicing');
         }
 

includes/libraries/GeoIp2/Model/City.php

Spacing +1 added lines, -2 removed lines

@@ -130,7 +130,6 @@
     private function mostSpecificSubdivision()
     {
         return empty($this->subdivisions) ?
-            new \GeoIp2\Record\Subdivision(array(), $this->locales) :
-            end($this->subdivisions);
+            new \GeoIp2\Record\Subdivision(array(), $this->locales) : end($this->subdivisions);
     }
 }

includes/libraries/GeoIp2/Compat/JsonSerializable.php

Indentation +6 added lines, -6 removed lines

@@ -5,12 +5,12 @@
 // @codingStandardsIgnoreFile
 
 /**
-  * This interface exists to provide backwards compatibility with PHP 5.3
-  *
-  * This should _not_ be used by any third-party code.
-  *
-  * @ignore
-  */
+ * This interface exists to provide backwards compatibility with PHP 5.3
+ *
+ * This should _not_ be used by any third-party code.
+ *
+ * @ignore
+ */
 if (interface_exists('JsonSerializable')) {
     interface JsonSerializable extends \JsonSerializable
     {

includes/libraries/class-emogrifier.php

Indentation +776 added lines, -776 removed lines

@@ -9,780 +9,780 @@
  * @author Roman Ožana <ozana@omdesign.cz>
  */
 class Emogrifier {
-	/**
-	 * @var string
-	 */
-	const ENCODING = 'UTF-8';
-
-	/**
-	 * @var integer
-	 */
-	const CACHE_KEY_CSS = 0;
-
-	/**
-	 * @var integer
-	 */
-	const CACHE_KEY_SELECTOR = 1;
-
-	/**
-	 * @var integer
-	 */
-	const CACHE_KEY_XPATH = 2;
-
-	/**
-	 * @var integer
-	 */
-	const CACHE_KEY_CSS_DECLARATION_BLOCK = 3;
-
-	/**
-	 * for calculating nth-of-type and nth-child selectors.
-	 *
-	 * @var integer
-	 */
-	const INDEX = 0;
-
-	/**
-	 * for calculating nth-of-type and nth-child selectors.
-	 *
-	 * @var integer
-	 */
-	const MULTIPLIER = 1;
-
-	/**
-	 * @var string
-	 */
-	const ID_ATTRIBUTE_MATCHER = '/(\\w+)?\\#([\\w\\-]+)/';
-
-	/**
-	 * @var string
-	 */
-	const CLASS_ATTRIBUTE_MATCHER = '/(\\w+|[\\*\\]])?((\\.[\\w\\-]+)+)/';
-
-	/**
-	 * @var string
-	 */
-	private $html = '';
-
-	/**
-	 * @var string
-	 */
-	private $css = '';
-
-	/**
-	 * @var array<string>
-	 */
-	private $unprocessableHtmlTags = array('wbr');
-
-	/**
-	 * @var array<array>
-	 */
-	private $caches = array(
-		self::CACHE_KEY_CSS => array(),
-		self::CACHE_KEY_SELECTOR => array(),
-		self::CACHE_KEY_XPATH => array(),
-		self::CACHE_KEY_CSS_DECLARATION_BLOCK => array(),
-	);
-
-	/**
-	 * the visited nodes with the XPath paths as array keys.
-	 *
-	 * @var array<\DOMNode>
-	 */
-	private $visitedNodes = array();
-
-	/**
-	 * the styles to apply to the nodes with the XPath paths as array keys for the outer array and the attribute names/values.
-	 * as key/value pairs for the inner array.
-	 *
-	 * @var array<array><string>
-	 */
-	private $styleAttributesForNodes = array();
-
-	/**
-	 * This attribute applies to the case where you want to preserve your original text encoding.
-	 *
-	 * By default, emogrifier translates your text into HTML entities for two reasons:
-	 *
-	 * 1. Because of client incompatibilities, it is better practice to send out HTML entities rather than unicode over email.
-	 *
-	 * 2. It translates any illegal XML characters that DOMDocument cannot work with.
-	 *
-	 * If you would like to preserve your original encoding, set this attribute to TRUE.
-	 *
-	 * @var boolean
-	 */
-	public $preserveEncoding = false;
-
-	public static $_media = '';
-
-	/**
-	 * The constructor.
-	 *
-	 * @param string $html the HTML to emogrify, must be UTF-8-encoded
-	 * @param string $css the CSS to merge, must be UTF-8-encoded
-	 */
-	public function __construct($html = '', $css = '') {
-		$this->setHtml($html);
-		$this->setCss($css);
-	}
-
-	/**
-	 * The destructor.
-	 */
-	public function __destruct() {
-		$this->purgeVisitedNodes();
-	}
-
-	/**
-	 * Sets the HTML to emogrify.
-	 *
-	 * @param string $html the HTML to emogrify, must be UTF-8-encoded
-	 */
-	public function setHtml($html = '') {
-		$this->html = $html;
-	}
-
-	/**
-	 * Sets the CSS to merge with the HTML.
-	 *
-	 * @param string $css the CSS to merge, must be UTF-8-encoded
-	 */
-	public function setCss($css = '') {
-		$this->css = $css;
-	}
-
-	/**
-	 * Clears all caches.
-	 */
-	private function clearAllCaches() {
-		$this->clearCache(self::CACHE_KEY_CSS);
-		$this->clearCache(self::CACHE_KEY_SELECTOR);
-		$this->clearCache(self::CACHE_KEY_XPATH);
-		$this->clearCache(self::CACHE_KEY_CSS_DECLARATION_BLOCK);
-	}
-
-	/**
-	 * Clears a single cache by key.
-	 *
-	 * @param integer $key the cache key, must be CACHE_KEY_CSS, CACHE_KEY_SELECTOR, CACHE_KEY_XPATH or CACHE_KEY_CSS_DECLARATION_BLOCK
-	 *
-	 * @throws InvalidArgumentException
-	 */
-	private function clearCache($key) {
-		$allowedCacheKeys = array(self::CACHE_KEY_CSS, self::CACHE_KEY_SELECTOR, self::CACHE_KEY_XPATH, self::CACHE_KEY_CSS_DECLARATION_BLOCK);
-		if (!in_array($key, $allowedCacheKeys, true)) {
-			throw new InvalidArgumentException('Invalid cache key: ' . $key, 1391822035);
-		}
-
-		$this->caches[$key] = array();
-	}
-
-	/**
-	 * Purges the visited nodes.
-	 */
-	private function purgeVisitedNodes() {
-		$this->visitedNodes = array();
-		$this->styleAttributesForNodes = array();
-	}
-
-	/**
-	 * Marks a tag for removal.
-	 *
-	 * There are some HTML tags that DOMDocument cannot process, and it will throw an error if it encounters them.
-	 * In particular, DOMDocument will complain if you try to use HTML5 tags in an XHTML document.
-	 *
-	 * Note: The tags will not be removed if they have any content.
-	 *
-	 * @param string $tagName the tag name, e.g., "p"
-	 */
-	public function addUnprocessableHtmlTag($tagName) {
-		$this->unprocessableHtmlTags[] = $tagName;
-	}
-
-	/**
-	 * Drops a tag from the removal list.
-	 *
-	 * @param string $tagName the tag name, e.g., "p"
-	 */
-	public function removeUnprocessableHtmlTag($tagName) {
-		$key = array_search($tagName, $this->unprocessableHtmlTags, true);
-		if ($key !== false) {
-			unset($this->unprocessableHtmlTags[$key]);
-		}
-	}
-
-	/**
-	 * Applies the CSS you submit to the HTML you submit.
-	 *
-	 * This method places the CSS inline.
-	 *
-	 * @return string
-	 *
-	 * @throws BadMethodCallException
-	 */
-	public function emogrify() {
-		if ($this->html === '') {
-			throw new BadMethodCallException('Please set some HTML first before calling emogrify.', 1390393096);
-		}
-
-		$xmlDocument = $this->createXmlDocument();
-		$xpath = new DOMXPath($xmlDocument);
-		$this->clearAllCaches();
-
-		// before be begin processing the CSS file, parse the document and normalize all existing CSS attributes (changes 'DISPLAY: none' to 'display: none');
-		// we wouldn't have to do this if DOMXPath supported XPath 2.0.
-		// also store a reference of nodes with existing inline styles so we don't overwrite them
-		$this->purgeVisitedNodes();
-
-		$nodesWithStyleAttributes = $xpath->query('//*[@style]');
-		if ($nodesWithStyleAttributes !== false) {
-			/** @var $nodeWithStyleAttribute DOMNode */
-			foreach ($nodesWithStyleAttributes as $node) {
-				$normalizedOriginalStyle = preg_replace_callback( '/[A-z\\-]+(?=\\:)/S', array( $this, 'strtolower' ), $node->getAttribute('style') );
-
-				// in order to not overwrite existing style attributes in the HTML, we have to save the original HTML styles
-				$nodePath = $node->getNodePath();
-				if (!isset($this->styleAttributesForNodes[$nodePath])) {
-					$this->styleAttributesForNodes[$nodePath] = $this->parseCssDeclarationBlock($normalizedOriginalStyle);
-					$this->visitedNodes[$nodePath] = $node;
-				}
-
-				$node->setAttribute('style', $normalizedOriginalStyle);
-			}
-		}
-
-		// grab any existing style blocks from the html and append them to the existing CSS
-		// (these blocks should be appended so as to have precedence over conflicting styles in the existing CSS)
-		$allCss = $this->css;
-
-		$allCss .= $this->getCssFromAllStyleNodes($xpath);
-
-		$cssParts = $this->splitCssAndMediaQuery($allCss);
-		self::$_media = ''; // reset
-
-		$cssKey = md5($cssParts['css']);
-		if (!isset($this->caches[self::CACHE_KEY_CSS][$cssKey])) {
-			// process the CSS file for selectors and definitions
-			preg_match_all('/(?:^|[\\s^{}]*)([^{]+){([^}]*)}/mis', $cssParts['css'], $matches, PREG_SET_ORDER);
-
-			$allSelectors = array();
-			foreach ($matches as $key => $selectorString) {
-				// if there is a blank definition, skip
-				if (!strlen(trim($selectorString[2]))) {
-					continue;
-				}
-
-				// else split by commas and duplicate attributes so we can sort by selector precedence
-				$selectors = explode(',', $selectorString[1]);
-				foreach ($selectors as $selector) {
-					// don't process pseudo-elements and behavioral (dynamic) pseudo-classes; ONLY allow structural pseudo-classes
-					if (strpos($selector, ':') !== false && !preg_match('/:\\S+\\-(child|type)\\(/i', $selector)) {
-						continue;
-					}
-
-					$allSelectors[] = array('selector' => trim($selector),
-											 'attributes' => trim($selectorString[2]),
-											 // keep track of where it appears in the file, since order is important
-											 'line' => $key,
-					);
-				}
-			}
-
-			// now sort the selectors by precedence
-			usort($allSelectors, array($this,'sortBySelectorPrecedence'));
-
-			$this->caches[self::CACHE_KEY_CSS][$cssKey] = $allSelectors;
-		}
-
-		foreach ($this->caches[self::CACHE_KEY_CSS][$cssKey] as $value) {
-			// query the body for the xpath selector
-			$nodesMatchingCssSelectors = $xpath->query($this->translateCssToXpath($value['selector']));
-
-			/** @var $node \DOMNode */
-			foreach ($nodesMatchingCssSelectors as $node) {
-				// if it has a style attribute, get it, process it, and append (overwrite) new stuff
-				if ($node->hasAttribute('style')) {
-					// break it up into an associative array
-					$oldStyleDeclarations = $this->parseCssDeclarationBlock($node->getAttribute('style'));
-				} else {
-					$oldStyleDeclarations = array();
-				}
-				$newStyleDeclarations = $this->parseCssDeclarationBlock($value['attributes']);
-				$node->setAttribute('style', $this->generateStyleStringFromDeclarationsArrays($oldStyleDeclarations, $newStyleDeclarations));
-			}
-		}
-
-		// now iterate through the nodes that contained inline styles in the original HTML
-		foreach ($this->styleAttributesForNodes as $nodePath => $styleAttributesForNode) {
-			$node = $this->visitedNodes[$nodePath];
-			$currentStyleAttributes = $this->parseCssDeclarationBlock($node->getAttribute('style'));
-			$node->setAttribute('style', $this->generateStyleStringFromDeclarationsArrays($currentStyleAttributes, $styleAttributesForNode));
-		}
-
-		// This removes styles from your email that contain display:none.
-		// We need to look for display:none, but we need to do a case-insensitive search. Since DOMDocument only supports XPath 1.0,
-		// lower-case() isn't available to us. We've thus far only set attributes to lowercase, not attribute values. Consequently, we need
-		// to translate() the letters that would be in 'NONE' ("NOE") to lowercase.
-		$nodesWithStyleDisplayNone = $xpath->query('//*[contains(translate(translate(@style," ",""),"NOE","noe"),"display:none")]');
-		// The checks on parentNode and is_callable below ensure that if we've deleted the parent node,
-		// we don't try to call removeChild on a nonexistent child node
-		if ($nodesWithStyleDisplayNone->length > 0) {
-			/** @var $node \DOMNode */
-			foreach ($nodesWithStyleDisplayNone as $node) {
-				if ($node->parentNode && is_callable(array($node->parentNode,'removeChild'))) {
-					$node->parentNode->removeChild($node);
-				}
-			}
-		}
-
-		$this->copyCssWithMediaToStyleNode($cssParts, $xmlDocument);
-
-		if ($this->preserveEncoding) {
-			if ( function_exists( 'mb_convert_encoding' ) ) {
-				return mb_convert_encoding( $xmlDocument->saveHTML(), self::ENCODING, 'HTML-ENTITIES' );
-			} else {
-				return htmlspecialchars_decode( utf8_encode( html_entity_decode( $xmlDocument->saveHTML(), ENT_COMPAT, self::ENCODING ) ) );
-			}
-		} else {
-			return $xmlDocument->saveHTML();
-		}
-	}
-
-	public function strtolower(array $m) {
-		return strtolower($m[0]);
-	}
-
-
-	/**
-	 * This method merges old or existing name/value array with new name/value array.
-	 * and then generates a string of the combined style suitable for placing inline.
-	 * This becomes the single point for CSS string generation allowing for consistent.
-	 * CSS output no matter where the CSS originally came from.
-	 * @param array $oldStyles
-	 * @param array $newStyles
-	 * @return string
-	 */
-	private function generateStyleStringFromDeclarationsArrays(array $oldStyles, array $newStyles) {
-		$combinedStyles = array_merge($oldStyles, $newStyles);
-		$style = '';
-		foreach ($combinedStyles as $attributeName => $attributeValue) {
-			$style .= (strtolower(trim($attributeName)) . ': ' . trim($attributeValue) . '; ');
-		}
-		return trim($style);
-	}
-
-
-	/**
-	 * Copies the media part from CSS array parts to $xmlDocument.
-	 *
-	 * @param array $cssParts
-	 * @param DOMDocument $xmlDocument
-	 */
-	public function copyCssWithMediaToStyleNode(array $cssParts, DOMDocument $xmlDocument) {
-		if (isset($cssParts['media']) && $cssParts['media'] !== '') {
-			$this->addStyleElementToDocument($xmlDocument, $cssParts['media']);
-		}
-	}
-
-	/**
-	 * Returns CSS content.
-	 *
-	 * @param DOMXPath $xpath
-	 * @return string
-	 */
-	private function getCssFromAllStyleNodes(DOMXPath $xpath) {
-		$styleNodes = $xpath->query('//style');
-
-		if ($styleNodes === false) {
-			return '';
-		}
-
-		$css = '';
-		/** @var $styleNode DOMNode */
-		foreach ($styleNodes as $styleNode) {
-			$css .= "\n\n" . $styleNode->nodeValue;
-			$styleNode->parentNode->removeChild($styleNode);
-		}
-
-		return $css;
-	}
-
-	/**
-	 * Adds a style element with $css to $document.
-	 *
-	 * @param DOMDocument $document
-	 * @param string $css
-	 */
-	private function addStyleElementToDocument(DOMDocument $document, $css) {
-		$styleElement = $document->createElement('style', $css);
-		$styleAttribute = $document->createAttribute('type');
-		$styleAttribute->value = 'text/css';
-		$styleElement->appendChild($styleAttribute);
-
-		$head = $this->getOrCreateHeadElement($document);
-		$head->appendChild($styleElement);
-	}
-
-	/**
-	 * Returns the existing or creates a new head element in $document.
-	 *
-	 * @param DOMDocument $document
-	 * @return DOMNode the head element
-	 */
-	private function getOrCreateHeadElement(DOMDocument $document) {
-		$head = $document->getElementsByTagName('head')->item(0);
-
-		if ($head === null) {
-			$head = $document->createElement('head');
-			$html = $document->getElementsByTagName('html')->item(0);
-			$html->insertBefore($head, $document->getElementsByTagName('body')->item(0));
-		}
-
-		return $head;
-	}
-
-	/**
-	 * Splits input CSS code to an array where:
-	 *
-	 * - key "css" will be contains clean CSS code.
-	 * - key "media" will be contains all valuable media queries.
-	 *
-	 * Example:
-	 *
-	 * The CSS code.
-	 *
-	 *   "@import "file.css"; h1 { color:red; } @media { h1 {}} @media tv { h1 {}}"
-	 *
-	 * will be parsed into the following array:
-	 *
-	 *   "css" => "h1 { color:red; }"
-	 *   "media" => "@media { h1 {}}"
-	 *
-	 * @param string $css
-	 * @return array
-	 */
-	private function splitCssAndMediaQuery($css) {
-		$css = preg_replace_callback( '#@media\\s+(?:only\\s)?(?:[\\s{\(]|screen|all)\\s?[^{]+{.*}\\s*}\\s*#misU', array( $this, '_media_concat' ), $css );
-
-		// filter the CSS
-		$search = array(
-			// get rid of css comment code
-			'/\\/\\*.*\\*\\//sU',
-			// strip out any import directives
-			'/^\\s*@import\\s[^;]+;/misU',
-			// strip remains media enclosures
-			'/^\\s*@media\\s[^{]+{(.*)}\\s*}\\s/misU',
-		);
-
-		$replace = array(
-			'',
-			'',
-			'',
-		);
-
-		// clean CSS before output
-		$css = preg_replace($search, $replace, $css);
-
-		return array('css' => $css, 'media' => self::$_media);
-	}
-
-	private function _media_concat( $matches ) {
-		self::$_media .= $matches[0];
-	}
-
-	/**
-	 * Creates a DOMDocument instance with the current HTML.
-	 *
-	 * @return DOMDocument
-	 */
-	private function createXmlDocument() {
-		$xmlDocument = new DOMDocument;
-		$xmlDocument->encoding = self::ENCODING;
-		$xmlDocument->strictErrorChecking = false;
-		$xmlDocument->formatOutput = true;
-		$libXmlState = libxml_use_internal_errors(true);
-		$xmlDocument->loadHTML($this->getUnifiedHtml());
-		libxml_clear_errors();
-		libxml_use_internal_errors($libXmlState);
-		$xmlDocument->normalizeDocument();
-
-		return $xmlDocument;
-	}
-
-	/**
-	 * Returns the HTML with the non-ASCII characters converts into HTML entities and the unprocessable HTML tags removed.
-	 *
-	 * @return string the unified HTML
-	 *
-	 * @throws BadMethodCallException
-	 */
-	private function getUnifiedHtml() {
-		if (!empty($this->unprocessableHtmlTags)) {
-			$unprocessableHtmlTags = implode('|', $this->unprocessableHtmlTags);
-			$bodyWithoutUnprocessableTags = preg_replace('/<\\/?(' . $unprocessableHtmlTags . ')[^>]*>/i', '', $this->html);
-		} else {
-			$bodyWithoutUnprocessableTags = $this->html;
-		}
-
-		if ( function_exists( 'mb_convert_encoding' ) ) {
-			return mb_convert_encoding( $bodyWithoutUnprocessableTags, 'HTML-ENTITIES', self::ENCODING );
-		} else {
-			return htmlspecialchars_decode( utf8_decode( htmlentities( $bodyWithoutUnprocessableTags, ENT_COMPAT, self::ENCODING, false ) ) );
-		}
-	}
-
-	/**
-	 * @param array $a
-	 * @param array $b
-	 *
-	 * @return integer
-	 */
-	private function sortBySelectorPrecedence(array $a, array $b) {
-		$precedenceA = $this->getCssSelectorPrecedence($a['selector']);
-		$precedenceB = $this->getCssSelectorPrecedence($b['selector']);
-
-		// We want these sorted in ascending order so selectors with lesser precedence get processed first and
-		// selectors with greater precedence get sorted last.
-		// The parenthesis around the -1 are necessary to avoid a PHP_CodeSniffer warning about missing spaces around
-		// arithmetic operators.
-		// @see http://forge.typo3.org/issues/55605
-		$precedenceForEquals = ($a['line'] < $b['line'] ? (-1) : 1);
-		$precedenceForNotEquals = ($precedenceA < $precedenceB ? (-1) : 1);
-		return ($precedenceA === $precedenceB) ? $precedenceForEquals : $precedenceForNotEquals;
-	}
-
-	/**
-	 * @param string $selector
-	 *
-	 * @return integer
-	 */
-	private function getCssSelectorPrecedence($selector) {
-		$selectorKey = md5($selector);
-		if (!isset($this->caches[self::CACHE_KEY_SELECTOR][$selectorKey])) {
-			$precedence = 0;
-			$value = 100;
-			// ids: worth 100, classes: worth 10, elements: worth 1
-			$search = array('\\#','\\.','');
-
-			foreach ($search as $s) {
-				if (trim($selector == '')) {
-					break;
-				}
-				$number = 0;
-				$selector = preg_replace('/' . $s . '\\w+/', '', $selector, -1, $number);
-				$precedence += ($value * $number);
-				$value /= 10;
-			}
-			$this->caches[self::CACHE_KEY_SELECTOR][$selectorKey] = $precedence;
-		}
-
-		return $this->caches[self::CACHE_KEY_SELECTOR][$selectorKey];
-	}
-
-	/**
-	 * Right now, we support all CSS 1 selectors and most CSS2/3 selectors.
-	 *
-	 * @see http://plasmasturm.org/log/444/
-	 *
-	 * @param string $paramCssSelector
-	 *
-	 * @return string
-	 */
-	private function translateCssToXpath($paramCssSelector) {
-		$cssSelector = ' ' . $paramCssSelector . ' ';
-		$cssSelector = preg_replace_callback( '/\s+\w+\s+/', array( $this, 'strtolower' ), $cssSelector );
-		$cssSelector = trim($cssSelector);
-		$xpathKey = md5($cssSelector);
-		if (!isset($this->caches[self::CACHE_KEY_XPATH][$xpathKey])) {
-			// returns an Xpath selector
-			$search = array(
-				// Matches any element that is a child of parent.
-				'/\\s+>\\s+/',
-				// Matches any element that is an adjacent sibling.
-				'/\\s+\\+\\s+/',
-				// Matches any element that is a descendant of an parent element element.
-				'/\\s+/',
-				// first-child pseudo-selector
-				'/([^\\/]+):first-child/i',
-				// last-child pseudo-selector
-				'/([^\\/]+):last-child/i',
-				// Matches attribute only selector
-				'/^\\[(\\w+)\\]/',
-				// Matches element with attribute
-				'/(\\w)\\[(\\w+)\\]/',
-				// Matches element with EXACT attribute
-				'/(\\w)\\[(\\w+)\\=[\'"]?(\\w+)[\'"]?\\]/',
-			);
-			$replace = array(
-				'/',
-				'/following-sibling::*[1]/self::',
-				'//',
-				'*[1]/self::\\1',
-				'*[last()]/self::\\1',
-				'*[@\\1]',
-				'\\1[@\\2]',
-				'\\1[@\\2="\\3"]',
-			);
-
-			$cssSelector = '//' . preg_replace($search, $replace, $cssSelector);
-
-			$cssSelector = preg_replace_callback(self::ID_ATTRIBUTE_MATCHER, array($this, 'matchIdAttributes'), $cssSelector);
-			$cssSelector = preg_replace_callback(self::CLASS_ATTRIBUTE_MATCHER, array($this, 'matchClassAttributes'), $cssSelector);
-
-			// Advanced selectors are going to require a bit more advanced emogrification.
-			// When we required PHP 5.3, we could do this with closures.
-			$cssSelector = preg_replace_callback(
-				'/([^\\/]+):nth-child\\(\s*(odd|even|[+\-]?\\d|[+\\-]?\\d?n(\\s*[+\\-]\\s*\\d)?)\\s*\\)/i',
-				array($this, 'translateNthChild'), $cssSelector
-			);
-			$cssSelector = preg_replace_callback(
-				'/([^\\/]+):nth-of-type\\(\s*(odd|even|[+\-]?\\d|[+\\-]?\\d?n(\\s*[+\\-]\\s*\\d)?)\\s*\\)/i',
-				array($this, 'translateNthOfType'), $cssSelector
-			);
-
-			$this->caches[self::CACHE_KEY_SELECTOR][$xpathKey] = $cssSelector;
-		}
-		return $this->caches[self::CACHE_KEY_SELECTOR][$xpathKey];
-	}
-
-	/**
-	 * @param array $match
-	 *
-	 * @return string
-	 */
-	private function matchIdAttributes(array $match) {
-		return (strlen($match[1]) ? $match[1] : '*') . '[@id="' . $match[2] . '"]';
-	}
-
-	/**
-	 * @param array $match
-	 *
-	 * @return string
-	 */
-	private function matchClassAttributes(array $match) {
-		return (strlen($match[1]) ? $match[1] : '*') . '[contains(concat(" ",@class," "),concat(" ","' .
-			implode(
-				'"," "))][contains(concat(" ",@class," "),concat(" ","',
-				explode('.', substr($match[2], 1))
-			) . '"," "))]';
-	}
-
-	/**
-	 * @param array $match
-	 *
-	 * @return string
-	 */
-	private function translateNthChild(array $match) {
-		$result = $this->parseNth($match);
-
-		if (isset($result[self::MULTIPLIER])) {
-			if ($result[self::MULTIPLIER] < 0) {
-				$result[self::MULTIPLIER] = abs($result[self::MULTIPLIER]);
-				return sprintf('*[(last() - position()) mod %u = %u]/self::%s', $result[self::MULTIPLIER], $result[self::INDEX], $match[1]);
-			} else {
-				return sprintf('*[position() mod %u = %u]/self::%s', $result[self::MULTIPLIER], $result[self::INDEX], $match[1]);
-			}
-		} else {
-			return sprintf('*[%u]/self::%s', $result[self::INDEX], $match[1]);
-		}
-	}
-
-	/**
-	 * @param array $match
-	 *
-	 * @return string
-	 */
-	private function translateNthOfType(array $match) {
-		$result = $this->parseNth($match);
-
-		if (isset($result[self::MULTIPLIER])) {
-			if ($result[self::MULTIPLIER] < 0) {
-				$result[self::MULTIPLIER] = abs($result[self::MULTIPLIER]);
-				return sprintf('%s[(last() - position()) mod %u = %u]', $match[1], $result[self::MULTIPLIER], $result[self::INDEX]);
-			} else {
-				return sprintf('%s[position() mod %u = %u]', $match[1], $result[self::MULTIPLIER], $result[self::INDEX]);
-			}
-		} else {
-			return sprintf('%s[%u]', $match[1], $result[self::INDEX]);
-		}
-	}
-
-	/**
-	 * @param array $match
-	 *
-	 * @return array
-	 */
-	private function parseNth(array $match) {
-		if (in_array(strtolower($match[2]), array('even','odd'))) {
-			$index = strtolower($match[2]) == 'even' ? 0 : 1;
-			return array(self::MULTIPLIER => 2, self::INDEX => $index);
-		} elseif (stripos($match[2], 'n') === false) {
-			// if there is a multiplier
-			$index = intval(str_replace(' ', '', $match[2]));
-			return array(self::INDEX => $index);
-		} else {
-			if (isset($match[3])) {
-				$multipleTerm = str_replace($match[3], '', $match[2]);
-				$index = intval(str_replace(' ', '', $match[3]));
-			} else {
-				$multipleTerm = $match[2];
-				$index = 0;
-			}
-
-			$multiplier = str_ireplace('n', '', $multipleTerm);
-
-			if (!strlen($multiplier)) {
-				$multiplier = 1;
-			} elseif ($multiplier == 0) {
-				return array(self::INDEX => $index);
-			} else {
-				$multiplier = intval($multiplier);
-			}
-
-			while ($index < 0) {
-				$index += abs($multiplier);
-			}
-
-			return array(self::MULTIPLIER => $multiplier, self::INDEX => $index);
-		}
-	}
-
-	/**
-	 * Parses a CSS declaration block into property name/value pairs.
-	 *
-	 * Example:
-	 *
-	 * The declaration block.
-	 *
-	 *   "color: #000; font-weight: bold;".
-	 *
-	 * will be parsed into the following array:
-	 *
-	 *   "color" => "#000"
-	 *   "font-weight" => "bold"
-	 *
-	 * @param string $cssDeclarationBlock the CSS declaration block without the curly braces, may be empty
-	 *
-	 * @return array the CSS declarations with the property names as array keys and the property values as array values
-	 */
-	private function parseCssDeclarationBlock($cssDeclarationBlock) {
-		if (isset($this->caches[self::CACHE_KEY_CSS_DECLARATION_BLOCK][$cssDeclarationBlock])) {
-			return $this->caches[self::CACHE_KEY_CSS_DECLARATION_BLOCK][$cssDeclarationBlock];
-		}
-
-		$properties = array();
-		$declarations = explode(';', $cssDeclarationBlock);
-		foreach ($declarations as $declaration) {
-			$matches = array();
-			if (!preg_match('/ *([A-Za-z\\-]+) *: *([^;]+) */', $declaration, $matches)) {
-				continue;
-			}
-			$propertyName = strtolower($matches[1]);
-			$propertyValue = $matches[2];
-			$properties[$propertyName] = $propertyValue;
-		}
-		$this->caches[self::CACHE_KEY_CSS_DECLARATION_BLOCK][$cssDeclarationBlock] = $properties;
-
-		return $properties;
-	}
+    /**
+     * @var string
+     */
+    const ENCODING = 'UTF-8';
+
+    /**
+     * @var integer
+     */
+    const CACHE_KEY_CSS = 0;
+
+    /**
+     * @var integer
+     */
+    const CACHE_KEY_SELECTOR = 1;
+
+    /**
+     * @var integer
+     */
+    const CACHE_KEY_XPATH = 2;
+
+    /**
+     * @var integer
+     */
+    const CACHE_KEY_CSS_DECLARATION_BLOCK = 3;
+
+    /**
+     * for calculating nth-of-type and nth-child selectors.
+     *
+     * @var integer
+     */
+    const INDEX = 0;
+
+    /**
+     * for calculating nth-of-type and nth-child selectors.
+     *
+     * @var integer
+     */
+    const MULTIPLIER = 1;
+
+    /**
+     * @var string
+     */
+    const ID_ATTRIBUTE_MATCHER = '/(\\w+)?\\#([\\w\\-]+)/';
+
+    /**
+     * @var string
+     */
+    const CLASS_ATTRIBUTE_MATCHER = '/(\\w+|[\\*\\]])?((\\.[\\w\\-]+)+)/';
+
+    /**
+     * @var string
+     */
+    private $html = '';
+
+    /**
+     * @var string
+     */
+    private $css = '';
+
+    /**
+     * @var array<string>
+     */
+    private $unprocessableHtmlTags = array('wbr');
+
+    /**
+     * @var array<array>
+     */
+    private $caches = array(
+        self::CACHE_KEY_CSS => array(),
+        self::CACHE_KEY_SELECTOR => array(),
+        self::CACHE_KEY_XPATH => array(),
+        self::CACHE_KEY_CSS_DECLARATION_BLOCK => array(),
+    );
+
+    /**
+     * the visited nodes with the XPath paths as array keys.
+     *
+     * @var array<\DOMNode>
+     */
+    private $visitedNodes = array();
+
+    /**
+     * the styles to apply to the nodes with the XPath paths as array keys for the outer array and the attribute names/values.
+     * as key/value pairs for the inner array.
+     *
+     * @var array<array><string>
+     */
+    private $styleAttributesForNodes = array();
+
+    /**
+     * This attribute applies to the case where you want to preserve your original text encoding.
+     *
+     * By default, emogrifier translates your text into HTML entities for two reasons:
+     *
+     * 1. Because of client incompatibilities, it is better practice to send out HTML entities rather than unicode over email.
+     *
+     * 2. It translates any illegal XML characters that DOMDocument cannot work with.
+     *
+     * If you would like to preserve your original encoding, set this attribute to TRUE.
+     *
+     * @var boolean
+     */
+    public $preserveEncoding = false;
+
+    public static $_media = '';
+
+    /**
+     * The constructor.
+     *
+     * @param string $html the HTML to emogrify, must be UTF-8-encoded
+     * @param string $css the CSS to merge, must be UTF-8-encoded
+     */
+    public function __construct($html = '', $css = '') {
+        $this->setHtml($html);
+        $this->setCss($css);
+    }
+
+    /**
+     * The destructor.
+     */
+    public function __destruct() {
+        $this->purgeVisitedNodes();
+    }
+
+    /**
+     * Sets the HTML to emogrify.
+     *
+     * @param string $html the HTML to emogrify, must be UTF-8-encoded
+     */
+    public function setHtml($html = '') {
+        $this->html = $html;
+    }
+
+    /**
+     * Sets the CSS to merge with the HTML.
+     *
+     * @param string $css the CSS to merge, must be UTF-8-encoded
+     */
+    public function setCss($css = '') {
+        $this->css = $css;
+    }
+
+    /**
+     * Clears all caches.
+     */
+    private function clearAllCaches() {
+        $this->clearCache(self::CACHE_KEY_CSS);
+        $this->clearCache(self::CACHE_KEY_SELECTOR);
+        $this->clearCache(self::CACHE_KEY_XPATH);
+        $this->clearCache(self::CACHE_KEY_CSS_DECLARATION_BLOCK);
+    }
+
+    /**
+     * Clears a single cache by key.
+     *
+     * @param integer $key the cache key, must be CACHE_KEY_CSS, CACHE_KEY_SELECTOR, CACHE_KEY_XPATH or CACHE_KEY_CSS_DECLARATION_BLOCK
+     *
+     * @throws InvalidArgumentException
+     */
+    private function clearCache($key) {
+        $allowedCacheKeys = array(self::CACHE_KEY_CSS, self::CACHE_KEY_SELECTOR, self::CACHE_KEY_XPATH, self::CACHE_KEY_CSS_DECLARATION_BLOCK);
+        if (!in_array($key, $allowedCacheKeys, true)) {
+            throw new InvalidArgumentException('Invalid cache key: ' . $key, 1391822035);
+        }
+
+        $this->caches[$key] = array();
+    }
+
+    /**
+     * Purges the visited nodes.
+     */
+    private function purgeVisitedNodes() {
+        $this->visitedNodes = array();
+        $this->styleAttributesForNodes = array();
+    }
+
+    /**
+     * Marks a tag for removal.
+     *
+     * There are some HTML tags that DOMDocument cannot process, and it will throw an error if it encounters them.
+     * In particular, DOMDocument will complain if you try to use HTML5 tags in an XHTML document.
+     *
+     * Note: The tags will not be removed if they have any content.
+     *
+     * @param string $tagName the tag name, e.g., "p"
+     */
+    public function addUnprocessableHtmlTag($tagName) {
+        $this->unprocessableHtmlTags[] = $tagName;
+    }
+
+    /**
+     * Drops a tag from the removal list.
+     *
+     * @param string $tagName the tag name, e.g., "p"
+     */
+    public function removeUnprocessableHtmlTag($tagName) {
+        $key = array_search($tagName, $this->unprocessableHtmlTags, true);
+        if ($key !== false) {
+            unset($this->unprocessableHtmlTags[$key]);
+        }
+    }
+
+    /**
+     * Applies the CSS you submit to the HTML you submit.
+     *
+     * This method places the CSS inline.
+     *
+     * @return string
+     *
+     * @throws BadMethodCallException
+     */
+    public function emogrify() {
+        if ($this->html === '') {
+            throw new BadMethodCallException('Please set some HTML first before calling emogrify.', 1390393096);
+        }
+
+        $xmlDocument = $this->createXmlDocument();
+        $xpath = new DOMXPath($xmlDocument);
+        $this->clearAllCaches();
+
+        // before be begin processing the CSS file, parse the document and normalize all existing CSS attributes (changes 'DISPLAY: none' to 'display: none');
+        // we wouldn't have to do this if DOMXPath supported XPath 2.0.
+        // also store a reference of nodes with existing inline styles so we don't overwrite them
+        $this->purgeVisitedNodes();
+
+        $nodesWithStyleAttributes = $xpath->query('//*[@style]');
+        if ($nodesWithStyleAttributes !== false) {
+            /** @var $nodeWithStyleAttribute DOMNode */
+            foreach ($nodesWithStyleAttributes as $node) {
+                $normalizedOriginalStyle = preg_replace_callback( '/[A-z\\-]+(?=\\:)/S', array( $this, 'strtolower' ), $node->getAttribute('style') );
+
+                // in order to not overwrite existing style attributes in the HTML, we have to save the original HTML styles
+                $nodePath = $node->getNodePath();
+                if (!isset($this->styleAttributesForNodes[$nodePath])) {
+                    $this->styleAttributesForNodes[$nodePath] = $this->parseCssDeclarationBlock($normalizedOriginalStyle);
+                    $this->visitedNodes[$nodePath] = $node;
+                }
+
+                $node->setAttribute('style', $normalizedOriginalStyle);
+            }
+        }
+
+        // grab any existing style blocks from the html and append them to the existing CSS
+        // (these blocks should be appended so as to have precedence over conflicting styles in the existing CSS)
+        $allCss = $this->css;
+
+        $allCss .= $this->getCssFromAllStyleNodes($xpath);
+
+        $cssParts = $this->splitCssAndMediaQuery($allCss);
+        self::$_media = ''; // reset
+
+        $cssKey = md5($cssParts['css']);
+        if (!isset($this->caches[self::CACHE_KEY_CSS][$cssKey])) {
+            // process the CSS file for selectors and definitions
+            preg_match_all('/(?:^|[\\s^{}]*)([^{]+){([^}]*)}/mis', $cssParts['css'], $matches, PREG_SET_ORDER);
+
+            $allSelectors = array();
+            foreach ($matches as $key => $selectorString) {
+                // if there is a blank definition, skip
+                if (!strlen(trim($selectorString[2]))) {
+                    continue;
+                }
+
+                // else split by commas and duplicate attributes so we can sort by selector precedence
+                $selectors = explode(',', $selectorString[1]);
+                foreach ($selectors as $selector) {
+                    // don't process pseudo-elements and behavioral (dynamic) pseudo-classes; ONLY allow structural pseudo-classes
+                    if (strpos($selector, ':') !== false && !preg_match('/:\\S+\\-(child|type)\\(/i', $selector)) {
+                        continue;
+                    }
+
+                    $allSelectors[] = array('selector' => trim($selector),
+                                                'attributes' => trim($selectorString[2]),
+                                                // keep track of where it appears in the file, since order is important
+                                                'line' => $key,
+                    );
+                }
+            }
+
+            // now sort the selectors by precedence
+            usort($allSelectors, array($this,'sortBySelectorPrecedence'));
+
+            $this->caches[self::CACHE_KEY_CSS][$cssKey] = $allSelectors;
+        }
+
+        foreach ($this->caches[self::CACHE_KEY_CSS][$cssKey] as $value) {
+            // query the body for the xpath selector
+            $nodesMatchingCssSelectors = $xpath->query($this->translateCssToXpath($value['selector']));
+
+            /** @var $node \DOMNode */
+            foreach ($nodesMatchingCssSelectors as $node) {
+                // if it has a style attribute, get it, process it, and append (overwrite) new stuff
+                if ($node->hasAttribute('style')) {
+                    // break it up into an associative array
+                    $oldStyleDeclarations = $this->parseCssDeclarationBlock($node->getAttribute('style'));
+                } else {
+                    $oldStyleDeclarations = array();
+                }
+                $newStyleDeclarations = $this->parseCssDeclarationBlock($value['attributes']);
+                $node->setAttribute('style', $this->generateStyleStringFromDeclarationsArrays($oldStyleDeclarations, $newStyleDeclarations));
+            }
+        }
+
+        // now iterate through the nodes that contained inline styles in the original HTML
+        foreach ($this->styleAttributesForNodes as $nodePath => $styleAttributesForNode) {
+            $node = $this->visitedNodes[$nodePath];
+            $currentStyleAttributes = $this->parseCssDeclarationBlock($node->getAttribute('style'));
+            $node->setAttribute('style', $this->generateStyleStringFromDeclarationsArrays($currentStyleAttributes, $styleAttributesForNode));
+        }
+
+        // This removes styles from your email that contain display:none.
+        // We need to look for display:none, but we need to do a case-insensitive search. Since DOMDocument only supports XPath 1.0,
+        // lower-case() isn't available to us. We've thus far only set attributes to lowercase, not attribute values. Consequently, we need
+        // to translate() the letters that would be in 'NONE' ("NOE") to lowercase.
+        $nodesWithStyleDisplayNone = $xpath->query('//*[contains(translate(translate(@style," ",""),"NOE","noe"),"display:none")]');
+        // The checks on parentNode and is_callable below ensure that if we've deleted the parent node,
+        // we don't try to call removeChild on a nonexistent child node
+        if ($nodesWithStyleDisplayNone->length > 0) {
+            /** @var $node \DOMNode */
+            foreach ($nodesWithStyleDisplayNone as $node) {
+                if ($node->parentNode && is_callable(array($node->parentNode,'removeChild'))) {
+                    $node->parentNode->removeChild($node);
+                }
+            }
+        }
+
+        $this->copyCssWithMediaToStyleNode($cssParts, $xmlDocument);
+
+        if ($this->preserveEncoding) {
+            if ( function_exists( 'mb_convert_encoding' ) ) {
+                return mb_convert_encoding( $xmlDocument->saveHTML(), self::ENCODING, 'HTML-ENTITIES' );
+            } else {
+                return htmlspecialchars_decode( utf8_encode( html_entity_decode( $xmlDocument->saveHTML(), ENT_COMPAT, self::ENCODING ) ) );
+            }
+        } else {
+            return $xmlDocument->saveHTML();
+        }
+    }
+
+    public function strtolower(array $m) {
+        return strtolower($m[0]);
+    }
+
+
+    /**
+     * This method merges old or existing name/value array with new name/value array.
+     * and then generates a string of the combined style suitable for placing inline.
+     * This becomes the single point for CSS string generation allowing for consistent.
+     * CSS output no matter where the CSS originally came from.
+     * @param array $oldStyles
+     * @param array $newStyles
+     * @return string
+     */
+    private function generateStyleStringFromDeclarationsArrays(array $oldStyles, array $newStyles) {
+        $combinedStyles = array_merge($oldStyles, $newStyles);
+        $style = '';
+        foreach ($combinedStyles as $attributeName => $attributeValue) {
+            $style .= (strtolower(trim($attributeName)) . ': ' . trim($attributeValue) . '; ');
+        }
+        return trim($style);
+    }
+
+
+    /**
+     * Copies the media part from CSS array parts to $xmlDocument.
+     *
+     * @param array $cssParts
+     * @param DOMDocument $xmlDocument
+     */
+    public function copyCssWithMediaToStyleNode(array $cssParts, DOMDocument $xmlDocument) {
+        if (isset($cssParts['media']) && $cssParts['media'] !== '') {
+            $this->addStyleElementToDocument($xmlDocument, $cssParts['media']);
+        }
+    }
+
+    /**
+     * Returns CSS content.
+     *
+     * @param DOMXPath $xpath
+     * @return string
+     */
+    private function getCssFromAllStyleNodes(DOMXPath $xpath) {
+        $styleNodes = $xpath->query('//style');
+
+        if ($styleNodes === false) {
+            return '';
+        }
+
+        $css = '';
+        /** @var $styleNode DOMNode */
+        foreach ($styleNodes as $styleNode) {
+            $css .= "\n\n" . $styleNode->nodeValue;
+            $styleNode->parentNode->removeChild($styleNode);
+        }
+
+        return $css;
+    }
+
+    /**
+     * Adds a style element with $css to $document.
+     *
+     * @param DOMDocument $document
+     * @param string $css
+     */
+    private function addStyleElementToDocument(DOMDocument $document, $css) {
+        $styleElement = $document->createElement('style', $css);
+        $styleAttribute = $document->createAttribute('type');
+        $styleAttribute->value = 'text/css';
+        $styleElement->appendChild($styleAttribute);
+
+        $head = $this->getOrCreateHeadElement($document);
+        $head->appendChild($styleElement);
+    }
+
+    /**
+     * Returns the existing or creates a new head element in $document.
+     *
+     * @param DOMDocument $document
+     * @return DOMNode the head element
+     */
+    private function getOrCreateHeadElement(DOMDocument $document) {
+        $head = $document->getElementsByTagName('head')->item(0);
+
+        if ($head === null) {
+            $head = $document->createElement('head');
+            $html = $document->getElementsByTagName('html')->item(0);
+            $html->insertBefore($head, $document->getElementsByTagName('body')->item(0));
+        }
+
+        return $head;
+    }
+
+    /**
+     * Splits input CSS code to an array where:
+     *
+     * - key "css" will be contains clean CSS code.
+     * - key "media" will be contains all valuable media queries.
+     *
+     * Example:
+     *
+     * The CSS code.
+     *
+     *   "@import "file.css"; h1 { color:red; } @media { h1 {}} @media tv { h1 {}}"
+     *
+     * will be parsed into the following array:
+     *
+     *   "css" => "h1 { color:red; }"
+     *   "media" => "@media { h1 {}}"
+     *
+     * @param string $css
+     * @return array
+     */
+    private function splitCssAndMediaQuery($css) {
+        $css = preg_replace_callback( '#@media\\s+(?:only\\s)?(?:[\\s{\(]|screen|all)\\s?[^{]+{.*}\\s*}\\s*#misU', array( $this, '_media_concat' ), $css );
+
+        // filter the CSS
+        $search = array(
+            // get rid of css comment code
+            '/\\/\\*.*\\*\\//sU',
+            // strip out any import directives
+            '/^\\s*@import\\s[^;]+;/misU',
+            // strip remains media enclosures
+            '/^\\s*@media\\s[^{]+{(.*)}\\s*}\\s/misU',
+        );
+
+        $replace = array(
+            '',
+            '',
+            '',
+        );
+
+        // clean CSS before output
+        $css = preg_replace($search, $replace, $css);
+
+        return array('css' => $css, 'media' => self::$_media);
+    }
+
+    private function _media_concat( $matches ) {
+        self::$_media .= $matches[0];
+    }
+
+    /**
+     * Creates a DOMDocument instance with the current HTML.
+     *
+     * @return DOMDocument
+     */
+    private function createXmlDocument() {
+        $xmlDocument = new DOMDocument;
+        $xmlDocument->encoding = self::ENCODING;
+        $xmlDocument->strictErrorChecking = false;
+        $xmlDocument->formatOutput = true;
+        $libXmlState = libxml_use_internal_errors(true);
+        $xmlDocument->loadHTML($this->getUnifiedHtml());
+        libxml_clear_errors();
+        libxml_use_internal_errors($libXmlState);
+        $xmlDocument->normalizeDocument();
+
+        return $xmlDocument;
+    }
+
+    /**
+     * Returns the HTML with the non-ASCII characters converts into HTML entities and the unprocessable HTML tags removed.
+     *
+     * @return string the unified HTML
+     *
+     * @throws BadMethodCallException
+     */
+    private function getUnifiedHtml() {
+        if (!empty($this->unprocessableHtmlTags)) {
+            $unprocessableHtmlTags = implode('|', $this->unprocessableHtmlTags);
+            $bodyWithoutUnprocessableTags = preg_replace('/<\\/?(' . $unprocessableHtmlTags . ')[^>]*>/i', '', $this->html);
+        } else {
+            $bodyWithoutUnprocessableTags = $this->html;
+        }
+
+        if ( function_exists( 'mb_convert_encoding' ) ) {
+            return mb_convert_encoding( $bodyWithoutUnprocessableTags, 'HTML-ENTITIES', self::ENCODING );
+        } else {
+            return htmlspecialchars_decode( utf8_decode( htmlentities( $bodyWithoutUnprocessableTags, ENT_COMPAT, self::ENCODING, false ) ) );
+        }
+    }
+
+    /**
+     * @param array $a
+     * @param array $b
+     *
+     * @return integer
+     */
+    private function sortBySelectorPrecedence(array $a, array $b) {
+        $precedenceA = $this->getCssSelectorPrecedence($a['selector']);
+        $precedenceB = $this->getCssSelectorPrecedence($b['selector']);
+
+        // We want these sorted in ascending order so selectors with lesser precedence get processed first and
+        // selectors with greater precedence get sorted last.
+        // The parenthesis around the -1 are necessary to avoid a PHP_CodeSniffer warning about missing spaces around
+        // arithmetic operators.
+        // @see http://forge.typo3.org/issues/55605
+        $precedenceForEquals = ($a['line'] < $b['line'] ? (-1) : 1);
+        $precedenceForNotEquals = ($precedenceA < $precedenceB ? (-1) : 1);
+        return ($precedenceA === $precedenceB) ? $precedenceForEquals : $precedenceForNotEquals;
+    }
+
+    /**
+     * @param string $selector
+     *
+     * @return integer
+     */
+    private function getCssSelectorPrecedence($selector) {
+        $selectorKey = md5($selector);
+        if (!isset($this->caches[self::CACHE_KEY_SELECTOR][$selectorKey])) {
+            $precedence = 0;
+            $value = 100;
+            // ids: worth 100, classes: worth 10, elements: worth 1
+            $search = array('\\#','\\.','');
+
+            foreach ($search as $s) {
+                if (trim($selector == '')) {
+                    break;
+                }
+                $number = 0;
+                $selector = preg_replace('/' . $s . '\\w+/', '', $selector, -1, $number);
+                $precedence += ($value * $number);
+                $value /= 10;
+            }
+            $this->caches[self::CACHE_KEY_SELECTOR][$selectorKey] = $precedence;
+        }
+
+        return $this->caches[self::CACHE_KEY_SELECTOR][$selectorKey];
+    }
+
+    /**
+     * Right now, we support all CSS 1 selectors and most CSS2/3 selectors.
+     *
+     * @see http://plasmasturm.org/log/444/
+     *
+     * @param string $paramCssSelector
+     *
+     * @return string
+     */
+    private function translateCssToXpath($paramCssSelector) {
+        $cssSelector = ' ' . $paramCssSelector . ' ';
+        $cssSelector = preg_replace_callback( '/\s+\w+\s+/', array( $this, 'strtolower' ), $cssSelector );
+        $cssSelector = trim($cssSelector);
+        $xpathKey = md5($cssSelector);
+        if (!isset($this->caches[self::CACHE_KEY_XPATH][$xpathKey])) {
+            // returns an Xpath selector
+            $search = array(
+                // Matches any element that is a child of parent.
+                '/\\s+>\\s+/',
+                // Matches any element that is an adjacent sibling.
+                '/\\s+\\+\\s+/',
+                // Matches any element that is a descendant of an parent element element.
+                '/\\s+/',
+                // first-child pseudo-selector
+                '/([^\\/]+):first-child/i',
+                // last-child pseudo-selector
+                '/([^\\/]+):last-child/i',
+                // Matches attribute only selector
+                '/^\\[(\\w+)\\]/',
+                // Matches element with attribute
+                '/(\\w)\\[(\\w+)\\]/',
+                // Matches element with EXACT attribute
+                '/(\\w)\\[(\\w+)\\=[\'"]?(\\w+)[\'"]?\\]/',
+            );
+            $replace = array(
+                '/',
+                '/following-sibling::*[1]/self::',
+                '//',
+                '*[1]/self::\\1',
+                '*[last()]/self::\\1',
+                '*[@\\1]',
+                '\\1[@\\2]',
+                '\\1[@\\2="\\3"]',
+            );
+
+            $cssSelector = '//' . preg_replace($search, $replace, $cssSelector);
+
+            $cssSelector = preg_replace_callback(self::ID_ATTRIBUTE_MATCHER, array($this, 'matchIdAttributes'), $cssSelector);
+            $cssSelector = preg_replace_callback(self::CLASS_ATTRIBUTE_MATCHER, array($this, 'matchClassAttributes'), $cssSelector);
+
+            // Advanced selectors are going to require a bit more advanced emogrification.
+            // When we required PHP 5.3, we could do this with closures.
+            $cssSelector = preg_replace_callback(
+                '/([^\\/]+):nth-child\\(\s*(odd|even|[+\-]?\\d|[+\\-]?\\d?n(\\s*[+\\-]\\s*\\d)?)\\s*\\)/i',
+                array($this, 'translateNthChild'), $cssSelector
+            );
+            $cssSelector = preg_replace_callback(
+                '/([^\\/]+):nth-of-type\\(\s*(odd|even|[+\-]?\\d|[+\\-]?\\d?n(\\s*[+\\-]\\s*\\d)?)\\s*\\)/i',
+                array($this, 'translateNthOfType'), $cssSelector
+            );
+
+            $this->caches[self::CACHE_KEY_SELECTOR][$xpathKey] = $cssSelector;
+        }
+        return $this->caches[self::CACHE_KEY_SELECTOR][$xpathKey];
+    }
+
+    /**
+     * @param array $match
+     *
+     * @return string
+     */
+    private function matchIdAttributes(array $match) {
+        return (strlen($match[1]) ? $match[1] : '*') . '[@id="' . $match[2] . '"]';
+    }
+
+    /**
+     * @param array $match
+     *
+     * @return string
+     */
+    private function matchClassAttributes(array $match) {
+        return (strlen($match[1]) ? $match[1] : '*') . '[contains(concat(" ",@class," "),concat(" ","' .
+            implode(
+                '"," "))][contains(concat(" ",@class," "),concat(" ","',
+                explode('.', substr($match[2], 1))
+            ) . '"," "))]';
+    }
+
+    /**
+     * @param array $match
+     *
+     * @return string
+     */
+    private function translateNthChild(array $match) {
+        $result = $this->parseNth($match);
+
+        if (isset($result[self::MULTIPLIER])) {
+            if ($result[self::MULTIPLIER] < 0) {
+                $result[self::MULTIPLIER] = abs($result[self::MULTIPLIER]);
+                return sprintf('*[(last() - position()) mod %u = %u]/self::%s', $result[self::MULTIPLIER], $result[self::INDEX], $match[1]);
+            } else {
+                return sprintf('*[position() mod %u = %u]/self::%s', $result[self::MULTIPLIER], $result[self::INDEX], $match[1]);
+            }
+        } else {
+            return sprintf('*[%u]/self::%s', $result[self::INDEX], $match[1]);
+        }
+    }
+
+    /**
+     * @param array $match
+     *
+     * @return string
+     */
+    private function translateNthOfType(array $match) {
+        $result = $this->parseNth($match);
+
+        if (isset($result[self::MULTIPLIER])) {
+            if ($result[self::MULTIPLIER] < 0) {
+                $result[self::MULTIPLIER] = abs($result[self::MULTIPLIER]);
+                return sprintf('%s[(last() - position()) mod %u = %u]', $match[1], $result[self::MULTIPLIER], $result[self::INDEX]);
+            } else {
+                return sprintf('%s[position() mod %u = %u]', $match[1], $result[self::MULTIPLIER], $result[self::INDEX]);
+            }
+        } else {
+            return sprintf('%s[%u]', $match[1], $result[self::INDEX]);
+        }
+    }
+
+    /**
+     * @param array $match
+     *
+     * @return array
+     */
+    private function parseNth(array $match) {
+        if (in_array(strtolower($match[2]), array('even','odd'))) {
+            $index = strtolower($match[2]) == 'even' ? 0 : 1;
+            return array(self::MULTIPLIER => 2, self::INDEX => $index);
+        } elseif (stripos($match[2], 'n') === false) {
+            // if there is a multiplier
+            $index = intval(str_replace(' ', '', $match[2]));
+            return array(self::INDEX => $index);
+        } else {
+            if (isset($match[3])) {
+                $multipleTerm = str_replace($match[3], '', $match[2]);
+                $index = intval(str_replace(' ', '', $match[3]));
+            } else {
+                $multipleTerm = $match[2];
+                $index = 0;
+            }
+
+            $multiplier = str_ireplace('n', '', $multipleTerm);
+
+            if (!strlen($multiplier)) {
+                $multiplier = 1;
+            } elseif ($multiplier == 0) {
+                return array(self::INDEX => $index);
+            } else {
+                $multiplier = intval($multiplier);
+            }
+
+            while ($index < 0) {
+                $index += abs($multiplier);
+            }
+
+            return array(self::MULTIPLIER => $multiplier, self::INDEX => $index);
+        }
+    }
+
+    /**
+     * Parses a CSS declaration block into property name/value pairs.
+     *
+     * Example:
+     *
+     * The declaration block.
+     *
+     *   "color: #000; font-weight: bold;".
+     *
+     * will be parsed into the following array:
+     *
+     *   "color" => "#000"
+     *   "font-weight" => "bold"
+     *
+     * @param string $cssDeclarationBlock the CSS declaration block without the curly braces, may be empty
+     *
+     * @return array the CSS declarations with the property names as array keys and the property values as array values
+     */
+    private function parseCssDeclarationBlock($cssDeclarationBlock) {
+        if (isset($this->caches[self::CACHE_KEY_CSS_DECLARATION_BLOCK][$cssDeclarationBlock])) {
+            return $this->caches[self::CACHE_KEY_CSS_DECLARATION_BLOCK][$cssDeclarationBlock];
+        }
+
+        $properties = array();
+        $declarations = explode(';', $cssDeclarationBlock);
+        foreach ($declarations as $declaration) {
+            $matches = array();
+            if (!preg_match('/ *([A-Za-z\\-]+) *: *([^;]+) */', $declaration, $matches)) {
+                continue;
+            }
+            $propertyName = strtolower($matches[1]);
+            $propertyValue = $matches[2];
+            $properties[$propertyName] = $propertyValue;
+        }
+        $this->caches[self::CACHE_KEY_CSS_DECLARATION_BLOCK][$cssDeclarationBlock] = $properties;
+
+        return $properties;
+    }
 }

Spacing +14 added lines, -14 removed lines

@@ -238,7 +238,7 @@ 
 		if ($nodesWithStyleAttributes !== false) {
 			/** @var $nodeWithStyleAttribute DOMNode */
 			foreach ($nodesWithStyleAttributes as $node) {
-				$normalizedOriginalStyle = preg_replace_callback( '/[A-z\\-]+(?=\\:)/S', array( $this, 'strtolower' ), $node->getAttribute('style') );
+				$normalizedOriginalStyle = preg_replace_callback('/[A-z\\-]+(?=\\:)/S', array($this, 'strtolower'), $node->getAttribute('style'));
 
 				// in order to not overwrite existing style attributes in the HTML, we have to save the original HTML styles
 				$nodePath = $node->getNodePath();
@@ -289,7 +289,7 @@ 
 			}
 
 			// now sort the selectors by precedence
-			usort($allSelectors, array($this,'sortBySelectorPrecedence'));
+			usort($allSelectors, array($this, 'sortBySelectorPrecedence'));
 
 			$this->caches[self::CACHE_KEY_CSS][$cssKey] = $allSelectors;
 		}
@@ -329,7 +329,7 @@ 
 		if ($nodesWithStyleDisplayNone->length > 0) {
 			/** @var $node \DOMNode */
 			foreach ($nodesWithStyleDisplayNone as $node) {
-				if ($node->parentNode && is_callable(array($node->parentNode,'removeChild'))) {
+				if ($node->parentNode && is_callable(array($node->parentNode, 'removeChild'))) {
 					$node->parentNode->removeChild($node);
 				}
 			}
@@ -338,10 +338,10 @@ 
 		$this->copyCssWithMediaToStyleNode($cssParts, $xmlDocument);
 
 		if ($this->preserveEncoding) {
-			if ( function_exists( 'mb_convert_encoding' ) ) {
-				return mb_convert_encoding( $xmlDocument->saveHTML(), self::ENCODING, 'HTML-ENTITIES' );
+			if (function_exists('mb_convert_encoding')) {
+				return mb_convert_encoding($xmlDocument->saveHTML(), self::ENCODING, 'HTML-ENTITIES');
 			} else {
-				return htmlspecialchars_decode( utf8_encode( html_entity_decode( $xmlDocument->saveHTML(), ENT_COMPAT, self::ENCODING ) ) );
+				return htmlspecialchars_decode(utf8_encode(html_entity_decode($xmlDocument->saveHTML(), ENT_COMPAT, self::ENCODING)));
 			}
 		} else {
 			return $xmlDocument->saveHTML();
@@ -462,7 +462,7 @@ 
 	 * @return array
 	 */
 	private function splitCssAndMediaQuery($css) {
-		$css = preg_replace_callback( '#@media\\s+(?:only\\s)?(?:[\\s{\(]|screen|all)\\s?[^{]+{.*}\\s*}\\s*#misU', array( $this, '_media_concat' ), $css );
+		$css = preg_replace_callback('#@media\\s+(?:only\\s)?(?:[\\s{\(]|screen|all)\\s?[^{]+{.*}\\s*}\\s*#misU', array($this, '_media_concat'), $css);
 
 		// filter the CSS
 		$search = array(
@@ -486,7 +486,7 @@ 
 		return array('css' => $css, 'media' => self::$_media);
 	}
 
-	private function _media_concat( $matches ) {
+	private function _media_concat($matches) {
 		self::$_media .= $matches[0];
 	}
 
@@ -524,10 +524,10 @@ 
 			$bodyWithoutUnprocessableTags = $this->html;
 		}
 
-		if ( function_exists( 'mb_convert_encoding' ) ) {
-			return mb_convert_encoding( $bodyWithoutUnprocessableTags, 'HTML-ENTITIES', self::ENCODING );
+		if (function_exists('mb_convert_encoding')) {
+			return mb_convert_encoding($bodyWithoutUnprocessableTags, 'HTML-ENTITIES', self::ENCODING);
 		} else {
-			return htmlspecialchars_decode( utf8_decode( htmlentities( $bodyWithoutUnprocessableTags, ENT_COMPAT, self::ENCODING, false ) ) );
+			return htmlspecialchars_decode(utf8_decode(htmlentities($bodyWithoutUnprocessableTags, ENT_COMPAT, self::ENCODING, false)));
 		}
 	}
 
@@ -562,7 +562,7 @@ 
 			$precedence = 0;
 			$value = 100;
 			// ids: worth 100, classes: worth 10, elements: worth 1
-			$search = array('\\#','\\.','');
+			$search = array('\\#', '\\.', '');
 
 			foreach ($search as $s) {
 				if (trim($selector == '')) {
@@ -590,7 +590,7 @@ 
 	 */
 	private function translateCssToXpath($paramCssSelector) {
 		$cssSelector = ' ' . $paramCssSelector . ' ';
-		$cssSelector = preg_replace_callback( '/\s+\w+\s+/', array( $this, 'strtolower' ), $cssSelector );
+		$cssSelector = preg_replace_callback('/\s+\w+\s+/', array($this, 'strtolower'), $cssSelector);
 		$cssSelector = trim($cssSelector);
 		$xpathKey = md5($cssSelector);
 		if (!isset($this->caches[self::CACHE_KEY_XPATH][$xpathKey])) {
@@ -713,7 +713,7 @@ 
 	 * @return array
 	 */
 	private function parseNth(array $match) {
-		if (in_array(strtolower($match[2]), array('even','odd'))) {
+		if (in_array(strtolower($match[2]), array('even', 'odd'))) {
 			$index = strtolower($match[2]) == 'even' ? 0 : 1;
 			return array(self::MULTIPLIER => 2, self::INDEX => $index);
 		} elseif (stripos($match[2], 'n') === false) {

includes/libraries/wp-session/wp-cli.php

Indentation +145 added lines, -145 removed lines

@@ -8,151 +8,151 @@
  */
 class WP_Session_Command extends \WP_CLI_Command {
 
-	/**
-	 * Count the total number of sessions stored in the database.
-	 *
-	 *
-	 * ## EXAMPLES
-	 *
-	 *      wp session count
-	 *
-	 * @global wpdb $wpdb
-	 *
-	 * @param array $args
-	 * @param array $assoc_args
-	 */
-	public function count( $args, $assoc_args ) {
-		$sessions = WP_Session_Utils::count_sessions();
-
-		\WP_CLI::line( sprintf( '%d sessions currently exist.', absint( $sessions ) ) );
-	}
-
-	/**
-	 * Delete sessions from the database.
-	 *
-	 * ## OPTIONS
-	 *
-	 * [--all]
-	 * : Flag whether or not to purge all sessions from the database.
-	 *
-	 * [--batch=<batch>]
-	 * : Set the batch size for deleting old sessions
-	 *
-	 * [--limit=<limit>]
-	 * : Delete just this number of old sessions
-	 *
-	 * ## EXAMPLES
-	 *
-	 *      wp session delete
-	 *      wp session delete [--batch=<batch>]
-	 *      wp session delete [--limit=<limit>]
-	 *      wp session delete [--all]
-	 *
-	 * @synopsis [--all] [--batch=<batch>] [--limit=<limit>]
-	 *
-	 * @param array $args
-	 * @param array $assoc_args
-	 */
-	public function delete( $args, $assoc_args ) {
-		if ( isset( $assoc_args['limit'] ) ) {
-			$limit = absint( $assoc_args['limit'] );
-
-			$count = WP_Session_Utils::delete_old_sessions( $limit );
-
-			if ( $count > 0 ) {
-				\WP_CLI::line( sprintf( 'Deleted %d sessions.', $count ) );
-			}
-
-			// Clear memory
-			self::free_up_memory();
-			return;
-		}
-
-		// Determine if we're deleting all sessions or just a subset.
-		$all = isset( $assoc_args['all'] );
-
-		/**
-		 * Determine the size of each batch for deletion.
-		 *
-		 * @param int
-		 */
-		$batch = isset( $assoc_args['batch'] ) ? absint( $assoc_args['batch'] ) : apply_filters( 'wp_session_delete_batch_size', 1000 );
-
-		switch ( $all ) {
-			case true:
-				$count = WP_Session_Utils::delete_all_sessions();
-
-				\WP_CLI::line( sprintf( 'Deleted all %d sessions.', $count ) );
-				break;
-			case false:
-				do {
-					$count = WP_Session_Utils::delete_old_sessions( $batch );
-
-					if ( $count > 0 ) {
-						\WP_CLI::line( sprintf( 'Deleted %d sessions.', $count ) );
-					}
-
-					// Clear memory
-					self::free_up_memory();
-				} while ( $count > 0 );
-				break;
-		}
-	}
-
-	/**
-	 * Generate a number of dummy sessions for testing purposes.
-	 *
-	 * ## OPTIONS
-	 *
-	 * <count>
-	 * : Number of sessions to create.
-	 *
-	 * [--expires=<date>]
-	 * : Optional expiration time tagged for each session. Will use WordPress' local time.
-	 *
-	 * ## EXAMPLES
-	 *
-	 *      wp session generate 5000
-	 *      wp session generate 5000 --expires="2014-11-09T08:00"
-	 *
-	 * @synopsis <count> [--expires=<date>]
-	 *
-	 * @param array $args
-	 * @param array $assoc_args
-	 */
-	public function generate( $args, $assoc_args ) {
-		$count = absint( $args[0] );
-		$date  = isset( $assoc_args['expires'] ) ? $assoc_args['expires'] : null;
-
-		$notify = \WP_CLI\Utils\make_progress_bar( 'Generating sessions', $count );
-
-		for ( $i = 0; $i < $count; $i ++ ) {
-			WP_Session_Utils::create_dummy_session( $date );
-			$notify->tick();
-		}
-
-		$notify->finish();
-	}
-
-	/**
-	 * Free up memory
-	 *
-	 * @global WP_Object_Cache $wp_object_cache
-	 * @global wpdb            $wpdb
-	 */
-	private function free_up_memory() {
-		global $wp_object_cache, $wpdb;
-		$wpdb->queries = array();
-
-		if ( ! is_object( $wp_object_cache ) ) {
-			return;
-		}
-
-		$wp_object_cache->group_ops      = array();
-		$wp_object_cache->stats          = array();
-		$wp_object_cache->memcache_debug = array();
-		$wp_object_cache->cache          = array();
-	}
+    /**
+     * Count the total number of sessions stored in the database.
+     *
+     *
+     * ## EXAMPLES
+     *
+     *      wp session count
+     *
+     * @global wpdb $wpdb
+     *
+     * @param array $args
+     * @param array $assoc_args
+     */
+    public function count( $args, $assoc_args ) {
+        $sessions = WP_Session_Utils::count_sessions();
+
+        \WP_CLI::line( sprintf( '%d sessions currently exist.', absint( $sessions ) ) );
+    }
+
+    /**
+     * Delete sessions from the database.
+     *
+     * ## OPTIONS
+     *
+     * [--all]
+     * : Flag whether or not to purge all sessions from the database.
+     *
+     * [--batch=<batch>]
+     * : Set the batch size for deleting old sessions
+     *
+     * [--limit=<limit>]
+     * : Delete just this number of old sessions
+     *
+     * ## EXAMPLES
+     *
+     *      wp session delete
+     *      wp session delete [--batch=<batch>]
+     *      wp session delete [--limit=<limit>]
+     *      wp session delete [--all]
+     *
+     * @synopsis [--all] [--batch=<batch>] [--limit=<limit>]
+     *
+     * @param array $args
+     * @param array $assoc_args
+     */
+    public function delete( $args, $assoc_args ) {
+        if ( isset( $assoc_args['limit'] ) ) {
+            $limit = absint( $assoc_args['limit'] );
+
+            $count = WP_Session_Utils::delete_old_sessions( $limit );
+
+            if ( $count > 0 ) {
+                \WP_CLI::line( sprintf( 'Deleted %d sessions.', $count ) );
+            }
+
+            // Clear memory
+            self::free_up_memory();
+            return;
+        }
+
+        // Determine if we're deleting all sessions or just a subset.
+        $all = isset( $assoc_args['all'] );
+
+        /**
+         * Determine the size of each batch for deletion.
+         *
+         * @param int
+         */
+        $batch = isset( $assoc_args['batch'] ) ? absint( $assoc_args['batch'] ) : apply_filters( 'wp_session_delete_batch_size', 1000 );
+
+        switch ( $all ) {
+            case true:
+                $count = WP_Session_Utils::delete_all_sessions();
+
+                \WP_CLI::line( sprintf( 'Deleted all %d sessions.', $count ) );
+                break;
+            case false:
+                do {
+                    $count = WP_Session_Utils::delete_old_sessions( $batch );
+
+                    if ( $count > 0 ) {
+                        \WP_CLI::line( sprintf( 'Deleted %d sessions.', $count ) );
+                    }
+
+                    // Clear memory
+                    self::free_up_memory();
+                } while ( $count > 0 );
+                break;
+        }
+    }
+
+    /**
+     * Generate a number of dummy sessions for testing purposes.
+     *
+     * ## OPTIONS
+     *
+     * <count>
+     * : Number of sessions to create.
+     *
+     * [--expires=<date>]
+     * : Optional expiration time tagged for each session. Will use WordPress' local time.
+     *
+     * ## EXAMPLES
+     *
+     *      wp session generate 5000
+     *      wp session generate 5000 --expires="2014-11-09T08:00"
+     *
+     * @synopsis <count> [--expires=<date>]
+     *
+     * @param array $args
+     * @param array $assoc_args
+     */
+    public function generate( $args, $assoc_args ) {
+        $count = absint( $args[0] );
+        $date  = isset( $assoc_args['expires'] ) ? $assoc_args['expires'] : null;
+
+        $notify = \WP_CLI\Utils\make_progress_bar( 'Generating sessions', $count );
+
+        for ( $i = 0; $i < $count; $i ++ ) {
+            WP_Session_Utils::create_dummy_session( $date );
+            $notify->tick();
+        }
+
+        $notify->finish();
+    }
+
+    /**
+     * Free up memory
+     *
+     * @global WP_Object_Cache $wp_object_cache
+     * @global wpdb            $wpdb
+     */
+    private function free_up_memory() {
+        global $wp_object_cache, $wpdb;
+        $wpdb->queries = array();
+
+        if ( ! is_object( $wp_object_cache ) ) {
+            return;
+        }
+
+        $wp_object_cache->group_ops      = array();
+        $wp_object_cache->stats          = array();
+        $wp_object_cache->memcache_debug = array();
+        $wp_object_cache->cache          = array();
+    }
 }
 
 \WP_CLI::add_command( 'session', 'WP_Session_Command' );
\ No newline at end of file

Spacing +24 added lines, -24 removed lines

@@ -21,10 +21,10 @@ 
 	 * @param array $args
 	 * @param array $assoc_args
 	 */
-	public function count( $args, $assoc_args ) {
+	public function count($args, $assoc_args) {
 		$sessions = WP_Session_Utils::count_sessions();
 
-		\WP_CLI::line( sprintf( '%d sessions currently exist.', absint( $sessions ) ) );
+		\WP_CLI::line(sprintf('%d sessions currently exist.', absint($sessions)));
 	}
 
 	/**
@@ -53,14 +53,14 @@ 
 	 * @param array $args
 	 * @param array $assoc_args
 	 */
-	public function delete( $args, $assoc_args ) {
-		if ( isset( $assoc_args['limit'] ) ) {
-			$limit = absint( $assoc_args['limit'] );
+	public function delete($args, $assoc_args) {
+		if (isset($assoc_args['limit'])) {
+			$limit = absint($assoc_args['limit']);
 
-			$count = WP_Session_Utils::delete_old_sessions( $limit );
+			$count = WP_Session_Utils::delete_old_sessions($limit);
 
-			if ( $count > 0 ) {
-				\WP_CLI::line( sprintf( 'Deleted %d sessions.', $count ) );
+			if ($count > 0) {
+				\WP_CLI::line(sprintf('Deleted %d sessions.', $count));
 			}
 
 			// Clear memory
@@ -69,32 +69,32 @@ 
 		}
 
 		// Determine if we're deleting all sessions or just a subset.
-		$all = isset( $assoc_args['all'] );
+		$all = isset($assoc_args['all']);
 
 		/**
 		 * Determine the size of each batch for deletion.
 		 *
 		 * @param int
 		 */
-		$batch = isset( $assoc_args['batch'] ) ? absint( $assoc_args['batch'] ) : apply_filters( 'wp_session_delete_batch_size', 1000 );
+		$batch = isset($assoc_args['batch']) ? absint($assoc_args['batch']) : apply_filters('wp_session_delete_batch_size', 1000);
 
-		switch ( $all ) {
+		switch ($all) {
 			case true:
 				$count = WP_Session_Utils::delete_all_sessions();
 
-				\WP_CLI::line( sprintf( 'Deleted all %d sessions.', $count ) );
+				\WP_CLI::line(sprintf('Deleted all %d sessions.', $count));
 				break;
 			case false:
 				do {
-					$count = WP_Session_Utils::delete_old_sessions( $batch );
+					$count = WP_Session_Utils::delete_old_sessions($batch);
 
-					if ( $count > 0 ) {
-						\WP_CLI::line( sprintf( 'Deleted %d sessions.', $count ) );
+					if ($count > 0) {
+						\WP_CLI::line(sprintf('Deleted %d sessions.', $count));
 					}
 
 					// Clear memory
 					self::free_up_memory();
-				} while ( $count > 0 );
+				} while ($count > 0);
 				break;
 		}
 	}
@@ -120,14 +120,14 @@ 
 	 * @param array $args
 	 * @param array $assoc_args
 	 */
-	public function generate( $args, $assoc_args ) {
-		$count = absint( $args[0] );
-		$date  = isset( $assoc_args['expires'] ) ? $assoc_args['expires'] : null;
+	public function generate($args, $assoc_args) {
+		$count = absint($args[0]);
+		$date  = isset($assoc_args['expires']) ? $assoc_args['expires'] : null;
 
-		$notify = \WP_CLI\Utils\make_progress_bar( 'Generating sessions', $count );
+		$notify = \WP_CLI\Utils\make_progress_bar('Generating sessions', $count);
 
-		for ( $i = 0; $i < $count; $i ++ ) {
-			WP_Session_Utils::create_dummy_session( $date );
+		for ($i = 0; $i < $count; $i++) {
+			WP_Session_Utils::create_dummy_session($date);
 			$notify->tick();
 		}
 
@@ -144,7 +144,7 @@ 
 		global $wp_object_cache, $wpdb;
 		$wpdb->queries = array();
 
-		if ( ! is_object( $wp_object_cache ) ) {
+		if (!is_object($wp_object_cache)) {
 			return;
 		}
 
@@ -155,4 +155,4 @@ 
 	}
 }
 
-\WP_CLI::add_command( 'session', 'WP_Session_Command' );
\ No newline at end of file
+\WP_CLI::add_command('session', 'WP_Session_Command');
\ No newline at end of file

includes/libraries/wp-session/wp-session.php

Indentation +46 added lines, -46 removed lines

@@ -16,16 +16,16 @@ 
  * @return int
  */
 function wp_session_cache_expire() {
-	$wp_session = WP_Session::get_instance();
+    $wp_session = WP_Session::get_instance();
 
-	return $wp_session->cache_expiration();
+    return $wp_session->cache_expiration();
 }
 
 /**
  * Alias of wp_session_write_close()
  */
 function wp_session_commit() {
-	wp_session_write_close();
+    wp_session_write_close();
 }
 
 /**
@@ -34,9 +34,9 @@ 
  * @param string $data
  */
 function wp_session_decode( $data ) {
-	$wp_session = WP_Session::get_instance();
+    $wp_session = WP_Session::get_instance();
 
-	return $wp_session->json_in( $data );
+    return $wp_session->json_in( $data );
 }
 
 /**
@@ -45,9 +45,9 @@ 
  * @return string
  */
 function wp_session_encode() {
-	$wp_session = WP_Session::get_instance();
+    $wp_session = WP_Session::get_instance();
 
-	return $wp_session->json_out();
+    return $wp_session->json_out();
 }
 
 /**
@@ -58,11 +58,11 @@ 
  * @return bool
  */
 function wp_session_regenerate_id( $delete_old_session = false ) {
-	$wp_session = WP_Session::get_instance();
+    $wp_session = WP_Session::get_instance();
 
-	$wp_session->regenerate_id( $delete_old_session );
+    $wp_session->regenerate_id( $delete_old_session );
 
-	return true;
+    return true;
 }
 
 /**
@@ -73,13 +73,13 @@ 
  * @return bool
  */
 function wp_session_start() {
-	$wp_session = WP_Session::get_instance();
-	do_action( 'wp_session_start' );
+    $wp_session = WP_Session::get_instance();
+    do_action( 'wp_session_start' );
 
-	return $wp_session->session_started();
+    return $wp_session->session_started();
 }
 if ( ! defined( 'WP_CLI' ) || false === WP_CLI ) {
-	add_action( 'plugins_loaded', 'wp_session_start' );
+    add_action( 'plugins_loaded', 'wp_session_start' );
 }
 
 /**
@@ -88,35 +88,35 @@ 
  * @return int
  */
 function wp_session_status() {
-	$wp_session = WP_Session::get_instance();
+    $wp_session = WP_Session::get_instance();
 
-	if ( $wp_session->session_started() ) {
-		return PHP_SESSION_ACTIVE;
-	}
+    if ( $wp_session->session_started() ) {
+        return PHP_SESSION_ACTIVE;
+    }
 
-	return PHP_SESSION_NONE;
+    return PHP_SESSION_NONE;
 }
 
 /**
  * Unset all session variables.
  */
 function wp_session_unset() {
-	$wp_session = WP_Session::get_instance();
+    $wp_session = WP_Session::get_instance();
 
-	$wp_session->reset();
+    $wp_session->reset();
 }
 
 /**
  * Write session data and end session
  */
 function wp_session_write_close() {
-	$wp_session = WP_Session::get_instance();
+    $wp_session = WP_Session::get_instance();
 
-	$wp_session->write_data();
-	do_action( 'wp_session_commit' );
+    $wp_session->write_data();
+    do_action( 'wp_session_commit' );
 }
 if ( ! defined( 'WP_CLI' ) || false === WP_CLI ) {
-	add_action( 'shutdown', 'wp_session_write_close' );
+    add_action( 'shutdown', 'wp_session_write_close' );
 }
 
 /**
@@ -127,24 +127,24 @@ 
  * of a scheduled task or cron job.
  */
 function wp_session_cleanup() {
-	if ( defined( 'WP_SETUP_CONFIG' ) ) {
-		return;
-	}
-
-	if ( ! defined( 'WP_INSTALLING' ) ) {
-		/**
-		 * Determine the size of each batch for deletion.
-		 *
-		 * @param int
-		 */
-		$batch_size = apply_filters( 'wp_session_delete_batch_size', 1000 );
-
-		// Delete a batch of old sessions
-		WP_Session_Utils::delete_old_sessions( $batch_size );
-	}
-
-	// Allow other plugins to hook in to the garbage collection process.
-	do_action( 'wp_session_cleanup' );
+    if ( defined( 'WP_SETUP_CONFIG' ) ) {
+        return;
+    }
+
+    if ( ! defined( 'WP_INSTALLING' ) ) {
+        /**
+         * Determine the size of each batch for deletion.
+         *
+         * @param int
+         */
+        $batch_size = apply_filters( 'wp_session_delete_batch_size', 1000 );
+
+        // Delete a batch of old sessions
+        WP_Session_Utils::delete_old_sessions( $batch_size );
+    }
+
+    // Allow other plugins to hook in to the garbage collection process.
+    do_action( 'wp_session_cleanup' );
 }
 add_action( 'wp_session_garbage_collection', 'wp_session_cleanup' );
 
@@ -152,8 +152,8 @@ 
  * Register the garbage collector as a twice daily event.
  */
 function wp_session_register_garbage_collection() {
-	if ( ! wp_next_scheduled( 'wp_session_garbage_collection' ) ) {
-		wp_schedule_event( time(), 'hourly', 'wp_session_garbage_collection' );
-	}
+    if ( ! wp_next_scheduled( 'wp_session_garbage_collection' ) ) {
+        wp_schedule_event( time(), 'hourly', 'wp_session_garbage_collection' );
+    }
 }
 add_action( 'wp', 'wp_session_register_garbage_collection' );

Spacing +20 added lines, -20 removed lines

@@ -33,10 +33,10 @@ 
  *
  * @param string $data
  */
-function wp_session_decode( $data ) {
+function wp_session_decode($data) {
 	$wp_session = WP_Session::get_instance();
 
-	return $wp_session->json_in( $data );
+	return $wp_session->json_in($data);
 }
 
 /**
@@ -57,10 +57,10 @@ 
  *
  * @return bool
  */
-function wp_session_regenerate_id( $delete_old_session = false ) {
+function wp_session_regenerate_id($delete_old_session = false) {
 	$wp_session = WP_Session::get_instance();
 
-	$wp_session->regenerate_id( $delete_old_session );
+	$wp_session->regenerate_id($delete_old_session);
 
 	return true;
 }
@@ -74,12 +74,12 @@ 
  */
 function wp_session_start() {
 	$wp_session = WP_Session::get_instance();
-	do_action( 'wp_session_start' );
+	do_action('wp_session_start');
 
 	return $wp_session->session_started();
 }
-if ( ! defined( 'WP_CLI' ) || false === WP_CLI ) {
-	add_action( 'plugins_loaded', 'wp_session_start' );
+if (!defined('WP_CLI') || false === WP_CLI) {
+	add_action('plugins_loaded', 'wp_session_start');
 }
 
 /**
@@ -90,7 +90,7 @@ 
 function wp_session_status() {
 	$wp_session = WP_Session::get_instance();
 
-	if ( $wp_session->session_started() ) {
+	if ($wp_session->session_started()) {
 		return PHP_SESSION_ACTIVE;
 	}
 
@@ -113,10 +113,10 @@ 
 	$wp_session = WP_Session::get_instance();
 
 	$wp_session->write_data();
-	do_action( 'wp_session_commit' );
+	do_action('wp_session_commit');
 }
-if ( ! defined( 'WP_CLI' ) || false === WP_CLI ) {
-	add_action( 'shutdown', 'wp_session_write_close' );
+if (!defined('WP_CLI') || false === WP_CLI) {
+	add_action('shutdown', 'wp_session_write_close');
 }
 
 /**
@@ -127,33 +127,33 @@ 
  * of a scheduled task or cron job.
  */
 function wp_session_cleanup() {
-	if ( defined( 'WP_SETUP_CONFIG' ) ) {
+	if (defined('WP_SETUP_CONFIG')) {
 		return;
 	}
 
-	if ( ! defined( 'WP_INSTALLING' ) ) {
+	if (!defined('WP_INSTALLING')) {
 		/**
 		 * Determine the size of each batch for deletion.
 		 *
 		 * @param int
 		 */
-		$batch_size = apply_filters( 'wp_session_delete_batch_size', 1000 );
+		$batch_size = apply_filters('wp_session_delete_batch_size', 1000);
 
 		// Delete a batch of old sessions
-		WP_Session_Utils::delete_old_sessions( $batch_size );
+		WP_Session_Utils::delete_old_sessions($batch_size);
 	}
 
 	// Allow other plugins to hook in to the garbage collection process.
-	do_action( 'wp_session_cleanup' );
+	do_action('wp_session_cleanup');
 }
-add_action( 'wp_session_garbage_collection', 'wp_session_cleanup' );
+add_action('wp_session_garbage_collection', 'wp_session_cleanup');
 
 /**
  * Register the garbage collector as a twice daily event.
  */
 function wp_session_register_garbage_collection() {
-	if ( ! wp_next_scheduled( 'wp_session_garbage_collection' ) ) {
-		wp_schedule_event( time(), 'hourly', 'wp_session_garbage_collection' );
+	if (!wp_next_scheduled('wp_session_garbage_collection')) {
+		wp_schedule_event(time(), 'hourly', 'wp_session_garbage_collection');
 	}
 }
-add_action( 'wp', 'wp_session_register_garbage_collection' );
+add_action('wp', 'wp_session_register_garbage_collection');

includes/libraries/wp-session/class-wp-session-utils.php

Indentation +130 added lines, -130 removed lines

@@ -6,134 +6,134 @@
  * THIS CLASS SHOULD NEVER BE INSTANTIATED
  */
 class WP_Session_Utils {
-	/**
-	 * Count the total sessions in the database.
-	 *
-	 * @global wpdb $wpdb
-	 *
-	 * @return int
-	 */
-	public static function count_sessions() {
-		global $wpdb;
-
-		$query = "SELECT COUNT(*) FROM $wpdb->options WHERE option_name LIKE '_wp_session_expires_%'";
-
-		/**
-		 * Filter the query in case tables are non-standard.
-		 *
-		 * @param string $query Database count query
-		 */
-		$query = apply_filters( 'wp_session_count_query', $query );
-
-		$sessions = $wpdb->get_var( $query );
-
-		return absint( $sessions );
-	}
-
-	/**
-	 * Create a new, random session in the database.
-	 *
-	 * @param null|string $date
-	 */
-	public static function create_dummy_session( $date = null ) {
-		// Generate our date
-		if ( null !== $date ) {
-			$time = strtotime( $date );
-
-			if ( false === $time ) {
-				$date = null;
-			} else {
-				$expires = date( 'U', strtotime( $date ) );
-			}
-		}
-
-		// If null was passed, or if the string parsing failed, fall back on a default
-		if ( null === $date ) {
-			/**
-			 * Filter the expiration of the session in the database
-			 *
-			 * @param int
-			 */
-			$expires = time() + (int) apply_filters( 'wp_session_expiration', 30 * 60 );
-		}
-
-		$session_id = self::generate_id();
-
-		// Store the session
-		add_option( "_wp_session_{$session_id}", array(), '', 'no' );
-		add_option( "_wp_session_expires_{$session_id}", $expires, '', 'no' );
-	}
-
-	/**
-	 * Delete old sessions from the database.
-	 *
-	 * @param int $limit Maximum number of sessions to delete.
-	 *
-	 * @global wpdb $wpdb
-	 *
-	 * @return int Sessions deleted.
-	 */
-	public static function delete_old_sessions( $limit = 1000 ) {
-		global $wpdb;
-
-		$limit = absint( $limit );
-		$keys = $wpdb->get_results( "SELECT option_name, option_value FROM $wpdb->options WHERE option_name LIKE '_wp_session_expires_%' ORDER BY option_value ASC LIMIT 0, {$limit}" );
-
-		$now = time();
-		$expired = array();
-		$count = 0;
-
-		foreach( $keys as $expiration ) {
-			$key = $expiration->option_name;
-			$expires = $expiration->option_value;
-
-			if ( $now > $expires ) {
-				$session_id = preg_replace("/[^A-Za-z0-9_]/", '', substr( $key, 20 ) );
-
-				$expired[] = $key;
-				$expired[] = "_wp_session_{$session_id}";
-
-				$count += 1;
-			}
-		}
-
-		// Delete expired sessions
-		if ( ! empty( $expired ) ) {
-		    $placeholders = array_fill( 0, count( $expired ), '%s' );
-		    $format = implode( ', ', $placeholders );
-		    $query = "DELETE FROM $wpdb->options WHERE option_name IN ($format)";
-
-		    $prepared = $wpdb->prepare( $query, $expired );
-			$wpdb->query( $prepared );
-		}
-
-		return $count;
-	}
-
-	/**
-	 * Remove all sessions from the database, regardless of expiration.
-	 *
-	 * @global wpdb $wpdb
-	 *
-	 * @return int Sessions deleted
-	 */
-	public static function delete_all_sessions() {
-		global $wpdb;
-
-		$count = $wpdb->query( "DELETE FROM $wpdb->options WHERE option_name LIKE '_wp_session_%'" );
-
-		return (int) ( $count / 2 );
-	}
-
-	/**
-	 * Generate a new, random session ID.
-	 *
-	 * @return string
-	 */
-	public static function generate_id() {
-		require_once( ABSPATH . 'wp-includes/class-phpass.php' );
-		$hash = new PasswordHash( 8, false );
-
-		return md5( $hash->get_random_bytes( 32 ) );
-	}
+    /**
+     * Count the total sessions in the database.
+     *
+     * @global wpdb $wpdb
+     *
+     * @return int
+     */
+    public static function count_sessions() {
+        global $wpdb;
+
+        $query = "SELECT COUNT(*) FROM $wpdb->options WHERE option_name LIKE '_wp_session_expires_%'";
+
+        /**
+         * Filter the query in case tables are non-standard.
+         *
+         * @param string $query Database count query
+         */
+        $query = apply_filters( 'wp_session_count_query', $query );
+
+        $sessions = $wpdb->get_var( $query );
+
+        return absint( $sessions );
+    }
+
+    /**
+     * Create a new, random session in the database.
+     *
+     * @param null|string $date
+     */
+    public static function create_dummy_session( $date = null ) {
+        // Generate our date
+        if ( null !== $date ) {
+            $time = strtotime( $date );
+
+            if ( false === $time ) {
+                $date = null;
+            } else {
+                $expires = date( 'U', strtotime( $date ) );
+            }
+        }
+
+        // If null was passed, or if the string parsing failed, fall back on a default
+        if ( null === $date ) {
+            /**
+             * Filter the expiration of the session in the database
+             *
+             * @param int
+             */
+            $expires = time() + (int) apply_filters( 'wp_session_expiration', 30 * 60 );
+        }
+
+        $session_id = self::generate_id();
+
+        // Store the session
+        add_option( "_wp_session_{$session_id}", array(), '', 'no' );
+        add_option( "_wp_session_expires_{$session_id}", $expires, '', 'no' );
+    }
+
+    /**
+     * Delete old sessions from the database.
+     *
+     * @param int $limit Maximum number of sessions to delete.
+     *
+     * @global wpdb $wpdb
+     *
+     * @return int Sessions deleted.
+     */
+    public static function delete_old_sessions( $limit = 1000 ) {
+        global $wpdb;
+
+        $limit = absint( $limit );
+        $keys = $wpdb->get_results( "SELECT option_name, option_value FROM $wpdb->options WHERE option_name LIKE '_wp_session_expires_%' ORDER BY option_value ASC LIMIT 0, {$limit}" );
+
+        $now = time();
+        $expired = array();
+        $count = 0;
+
+        foreach( $keys as $expiration ) {
+            $key = $expiration->option_name;
+            $expires = $expiration->option_value;
+
+            if ( $now > $expires ) {
+                $session_id = preg_replace("/[^A-Za-z0-9_]/", '', substr( $key, 20 ) );
+
+                $expired[] = $key;
+                $expired[] = "_wp_session_{$session_id}";
+
+                $count += 1;
+            }
+        }
+
+        // Delete expired sessions
+        if ( ! empty( $expired ) ) {
+            $placeholders = array_fill( 0, count( $expired ), '%s' );
+            $format = implode( ', ', $placeholders );
+            $query = "DELETE FROM $wpdb->options WHERE option_name IN ($format)";
+
+            $prepared = $wpdb->prepare( $query, $expired );
+            $wpdb->query( $prepared );
+        }
+
+        return $count;
+    }
+
+    /**
+     * Remove all sessions from the database, regardless of expiration.
+     *
+     * @global wpdb $wpdb
+     *
+     * @return int Sessions deleted
+     */
+    public static function delete_all_sessions() {
+        global $wpdb;
+
+        $count = $wpdb->query( "DELETE FROM $wpdb->options WHERE option_name LIKE '_wp_session_%'" );
+
+        return (int) ( $count / 2 );
+    }
+
+    /**
+     * Generate a new, random session ID.
+     *
+     * @return string
+     */
+    public static function generate_id() {
+        require_once( ABSPATH . 'wp-includes/class-phpass.php' );
+        $hash = new PasswordHash( 8, false );
+
+        return md5( $hash->get_random_bytes( 32 ) );
+    }
 } 
\ No newline at end of file

Spacing +28 added lines, -28 removed lines

@@ -23,11 +23,11 @@ 
 		 *
 		 * @param string $query Database count query
 		 */
-		$query = apply_filters( 'wp_session_count_query', $query );
+		$query = apply_filters('wp_session_count_query', $query);
 
-		$sessions = $wpdb->get_var( $query );
+		$sessions = $wpdb->get_var($query);
 
-		return absint( $sessions );
+		return absint($sessions);
 	}
 
 	/**
@@ -35,33 +35,33 @@ 
 	 *
 	 * @param null|string $date
 	 */
-	public static function create_dummy_session( $date = null ) {
+	public static function create_dummy_session($date = null) {
 		// Generate our date
-		if ( null !== $date ) {
-			$time = strtotime( $date );
+		if (null !== $date) {
+			$time = strtotime($date);
 
-			if ( false === $time ) {
+			if (false === $time) {
 				$date = null;
 			} else {
-				$expires = date( 'U', strtotime( $date ) );
+				$expires = date('U', strtotime($date));
 			}
 		}
 
 		// If null was passed, or if the string parsing failed, fall back on a default
-		if ( null === $date ) {
+		if (null === $date) {
 			/**
 			 * Filter the expiration of the session in the database
 			 *
 			 * @param int
 			 */
-			$expires = time() + (int) apply_filters( 'wp_session_expiration', 30 * 60 );
+			$expires = time() + (int)apply_filters('wp_session_expiration', 30 * 60);
 		}
 
 		$session_id = self::generate_id();
 
 		// Store the session
-		add_option( "_wp_session_{$session_id}", array(), '', 'no' );
-		add_option( "_wp_session_expires_{$session_id}", $expires, '', 'no' );
+		add_option("_wp_session_{$session_id}", array(), '', 'no');
+		add_option("_wp_session_expires_{$session_id}", $expires, '', 'no');
 	}
 
 	/**
@@ -73,22 +73,22 @@ 
 	 *
 	 * @return int Sessions deleted.
 	 */
-	public static function delete_old_sessions( $limit = 1000 ) {
+	public static function delete_old_sessions($limit = 1000) {
 		global $wpdb;
 
-		$limit = absint( $limit );
-		$keys = $wpdb->get_results( "SELECT option_name, option_value FROM $wpdb->options WHERE option_name LIKE '_wp_session_expires_%' ORDER BY option_value ASC LIMIT 0, {$limit}" );
+		$limit = absint($limit);
+		$keys = $wpdb->get_results("SELECT option_name, option_value FROM $wpdb->options WHERE option_name LIKE '_wp_session_expires_%' ORDER BY option_value ASC LIMIT 0, {$limit}");
 
 		$now = time();
 		$expired = array();
 		$count = 0;
 
-		foreach( $keys as $expiration ) {
+		foreach ($keys as $expiration) {
 			$key = $expiration->option_name;
 			$expires = $expiration->option_value;
 
-			if ( $now > $expires ) {
-				$session_id = preg_replace("/[^A-Za-z0-9_]/", '', substr( $key, 20 ) );
+			if ($now > $expires) {
+				$session_id = preg_replace("/[^A-Za-z0-9_]/", '', substr($key, 20));
 
 				$expired[] = $key;
 				$expired[] = "_wp_session_{$session_id}";
@@ -98,13 +98,13 @@ 
 		}
 
 		// Delete expired sessions
-		if ( ! empty( $expired ) ) {
-		    $placeholders = array_fill( 0, count( $expired ), '%s' );
-		    $format = implode( ', ', $placeholders );
+		if (!empty($expired)) {
+		    $placeholders = array_fill(0, count($expired), '%s');
+		    $format = implode(', ', $placeholders);
 		    $query = "DELETE FROM $wpdb->options WHERE option_name IN ($format)";
 
-		    $prepared = $wpdb->prepare( $query, $expired );
-			$wpdb->query( $prepared );
+		    $prepared = $wpdb->prepare($query, $expired);
+			$wpdb->query($prepared);
 		}
 
 		return $count;
@@ -120,9 +120,9 @@ 
 	public static function delete_all_sessions() {
 		global $wpdb;
 
-		$count = $wpdb->query( "DELETE FROM $wpdb->options WHERE option_name LIKE '_wp_session_%'" );
+		$count = $wpdb->query("DELETE FROM $wpdb->options WHERE option_name LIKE '_wp_session_%'");
 
-		return (int) ( $count / 2 );
+		return (int)($count / 2);
 	}
 
 	/**
@@ -131,9 +131,9 @@ 
 	 * @return string
 	 */
 	public static function generate_id() {
-		require_once( ABSPATH . 'wp-includes/class-phpass.php' );
-		$hash = new PasswordHash( 8, false );
+		require_once(ABSPATH . 'wp-includes/class-phpass.php');
+		$hash = new PasswordHash(8, false);
 
-		return md5( $hash->get_random_bytes( 32 ) );
+		return md5($hash->get_random_bytes(32));
 	}
 } 
\ No newline at end of file