woothemes / sensei

templates/single-course/lessons.php

Spacing +7 added lines, -7 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) exit;
+if ( ! defined('ABSPATH')) exit;
 /**
  * The Template for displaying all single course meta information.
  *
@@ -22,17 +22,17 @@ 
          * @hooked WooThemes_Sensei_Course::load_single_course_lessons_query
          * @since 1.9.0
          */
-        do_action( 'sensei_single_course_lessons_before' );
+        do_action('sensei_single_course_lessons_before');
 
     ?>
 
     <?php
 
     //lessons loaded into loop in the sensei_single_course_lessons_before hook
-    if( have_posts() ):
+    if (have_posts()):
 
         // start course lessons loop
-        while ( have_posts() ): the_post();  ?>
+        while (have_posts()): the_post(); ?>
 
             <article <?php post_class(); ?> >
 
@@ -50,7 +50,7 @@ 
                      * @hooked WooThemes_Sensei_Lesson::the_lesson_thumbnail - 8
                      *
                      */
-                    do_action( 'sensei_single_course_inside_before_lesson', get_the_ID() );
+                    do_action('sensei_single_course_inside_before_lesson', get_the_ID());
 
                 ?>
 
@@ -75,7 +75,7 @@ 
                      *
                      * @since 1.9.0
                      */
-                    do_action( 'sensei_single_course_inside_after_lesson', get_the_ID() );
+                    do_action('sensei_single_course_inside_after_lesson', get_the_ID());
 
                 ?>
 
@@ -94,7 +94,7 @@ 
          *
          * @since 1.9.0
          */
-        do_action( 'sensei_single_course_lessons_after' );
+        do_action('sensei_single_course_lessons_after');
 
     ?>
 

templates/course-results.php

Spacing +11 added lines, -11 removed lines

@@ -11,7 +11,7 @@ 
  */
 ?>
 
-<?php  get_sensei_header();  ?>
+<?php  get_sensei_header(); ?>
 
 <?php
 /**
@@ -21,15 +21,15 @@ 
  *
  * @hooked Sensei_Course_Results::deprecate_sensei_course_results_content_hook() - 20
  */
-do_action( 'sensei_course_results_content_before' );
+do_action('sensei_course_results_content_before');
 ?>
 
 <?php
 global $course;
-$course = get_page_by_path( $wp_query->query_vars['course_results'], OBJECT, 'course' );
+$course = get_page_by_path($wp_query->query_vars['course_results'], OBJECT, 'course');
 ?>
 
-<article <?php post_class( array( 'course', 'post','course-results' ) ); ?> >
+<article <?php post_class(array('course', 'post', 'course-results')); ?> >
 
     <section class="entry fix">
 
@@ -42,7 +42,7 @@ 
          * @param integer $course_id
          *
          */
-        do_action( 'sensei_course_results_content_inside_before', $course->ID );
+        do_action('sensei_course_results_content_inside_before', $course->ID);
         ?>
 
         <header>
@@ -53,7 +53,7 @@ 
 
         </header>
 
-        <?php if ( is_user_logged_in() ):?>
+        <?php if (is_user_logged_in()):?>
 
             <?php
             /**
@@ -65,14 +65,14 @@ 
              *
              * @hooked Sensei_Course_Results::course_info() - 20
              */
-            do_action( 'sensei_course_results_content_inside_before_lessons', $course->ID );
+            do_action('sensei_course_results_content_inside_before_lessons', $course->ID);
             ?>
 
 
             <section class="course-results-lessons">
                 <?php
-                $started_course = Sensei_Utils::user_started_course( $course->ID, get_current_user_id() );
-                if( $started_course ) {
+                $started_course = Sensei_Utils::user_started_course($course->ID, get_current_user_id());
+                if ($started_course) {
 
                     sensei_the_course_results_lessons();
 
@@ -92,7 +92,7 @@ 
          *
          * @hooked Sensei()->course_results->course_info - 20
          */
-        do_action( 'sensei_course_results_content_inside_after', $course->ID );
+        do_action('sensei_course_results_content_inside_after', $course->ID);
         ?>
 
     </section>
@@ -106,7 +106,7 @@ 
  * @since 1.9.0
  *
  */
-do_action( 'sensei_course_results_content_after' );
+do_action('sensei_course_results_content_after');
 ?>
 
 

includes/shortcodes/class-sensei-shortcode-user-courses.php

Spacing +61 added lines, -61 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
+if ( ! defined('ABSPATH')) exit; // Exit if accessed directly
 /**
  * This class is loaded int WP by the shortcode loader class.
  *
@@ -61,28 +61,28 @@ 
      * @param string $content
      * @param string $shortcode the shortcode that was called for this instance
      */
-    public function __construct( $attributes, $content, $shortcode ){
+    public function __construct($attributes, $content, $shortcode) {
 
-        if(!  is_user_logged_in() ) {
+        if ( ! is_user_logged_in()) {
             // show the login form
             Sensei_Templates::get_template('user/login-form.php');
             return;
         }
 
         // set up all argument need for constructing the course query
-        $this->number = isset( $attributes['number'] ) ? $attributes['number'] : '10';
-        $this->orderby = isset( $attributes['orderby'] ) ? $attributes['orderby'] : 'title';
-        $this->status = isset( $attributes['status'] ) ? $attributes['status'] : 'all';
+        $this->number = isset($attributes['number']) ? $attributes['number'] : '10';
+        $this->orderby = isset($attributes['orderby']) ? $attributes['orderby'] : 'title';
+        $this->status = isset($attributes['status']) ? $attributes['status'] : 'all';
 
         // set the default for menu_order to be ASC
-        if( 'menu_order' == $this->orderby && !isset( $attributes['order']  ) ){
+        if ('menu_order' == $this->orderby && ! isset($attributes['order'])) {
 
-            $this->order =  'ASC';
+            $this->order = 'ASC';
 
-        }else{
+        } else {
 
             // for everything else use the value passed or the default DESC
-            $this->order = isset( $attributes['order']  ) ? $attributes['order'] : 'ASC';
+            $this->order = isset($attributes['order']) ? $attributes['order'] : 'ASC';
 
         }
 
@@ -96,20 +96,20 @@ 
      *
      * @since 1.9.0
      */
-    protected function setup_course_query(){
+    protected function setup_course_query() {
 
-        $status_query = array( 'user_id' => get_current_user_id(), 'type' => 'sensei_course_status' );
-        $user_courses_logs = Sensei_Utils::sensei_check_for_activity( $status_query , true );
-        if ( !is_array($user_courses_logs) ) {
+        $status_query = array('user_id' => get_current_user_id(), 'type' => 'sensei_course_status');
+        $user_courses_logs = Sensei_Utils::sensei_check_for_activity($status_query, true);
+        if ( ! is_array($user_courses_logs)) {
 
-            $user_courses_logs = array( $user_courses_logs );
+            $user_courses_logs = array($user_courses_logs);
 
         }
 
         $completed_ids = $active_ids = array();
-        foreach( $user_courses_logs as $course_status ) {
+        foreach ($user_courses_logs as $course_status) {
 
-            if ( Sensei_Utils::user_completed_course( $course_status, get_current_user_id() ) ) {
+            if (Sensei_Utils::user_completed_course($course_status, get_current_user_id())) {
 
                 $completed_ids[] = $course_status->comment_post_ID;
 
@@ -120,34 +120,34 @@ 
             }
         }
 
-        if( 'completed' == $this->status ){
+        if ('completed' == $this->status) {
 
-            $included_courses =  $completed_ids;
+            $included_courses = $completed_ids;
 
 
-        }elseif( 'active'==$this->status ){
+        }elseif ('active' == $this->status) {
 
-            $included_courses =  $active_ids;
+            $included_courses = $active_ids;
 
-        }else{ // all courses
+        } else { // all courses
 
-            if( empty( $completed_ids ) ){
+            if (empty($completed_ids)) {
 
-                add_action( 'sensei_loop_course_inside_before', array( $this, 'completed_no_course_message_output' ) );
+                add_action('sensei_loop_course_inside_before', array($this, 'completed_no_course_message_output'));
             }
 
-            if( empty( $active_ids ) ){
+            if (empty($active_ids)) {
 
-                add_action( 'sensei_loop_course_inside_before', array( $this, 'active_no_course_message_output' ) );
+                add_action('sensei_loop_course_inside_before', array($this, 'active_no_course_message_output'));
 
             }
 
-            if( empty( $completed_ids ) &&  empty( $active_ids )  ){
+            if (empty($completed_ids) && empty($active_ids)) {
 
                 $included_courses = array('-1000'); // don't show any courses
 
-            }else{
-                $included_courses = Sensei_Utils::array_zip_merge( (array)$active_ids, (array)$completed_ids );
+            } else {
+                $included_courses = Sensei_Utils::array_zip_merge((array) $active_ids, (array) $completed_ids);
             }
 
 
@@ -158,7 +158,7 @@ 
         // if the shortcode is not active or in active and the active and completed
         // tabs show up.
         $number_of_posts = $this->number;
-        if( 'active' != $this->status && 'complete' != $this->status  ){
+        if ('active' != $this->status && 'complete' != $this->status) {
             $number_of_posts = 1000;
         }
 
@@ -169,12 +169,12 @@ 
             'post_status'      => 'publish',
             'orderby'          => $this->orderby,
             'order'            => $this->order,
-            'paged' => empty( $query_var_paged )? 1 : $query_var_paged,
+            'paged' => empty($query_var_paged) ? 1 : $query_var_paged,
             'posts_per_page'   => $number_of_posts,
             'post__in'         => $included_courses,
         );
 
-        $this->query = new WP_Query( $query_args );
+        $this->query = new WP_Query($query_args);
 
     }// end setup _course_query
 
@@ -184,12 +184,12 @@ 
      *
      * @since 1.9.0
      */
-    public function completed_no_course_message_output(){
+    public function completed_no_course_message_output() {
         ?>
         <li class="user-completed">
             <div class="sensei-message info">
 
-                <?php _e( 'You have not completed any courses yet.', 'woothemes-sensei' ); ?>
+                <?php _e('You have not completed any courses yet.', 'woothemes-sensei'); ?>
 
             </div>
         </li>
@@ -202,17 +202,17 @@ 
      *
      * @since 1.9.0
      */
-    public function active_no_course_message_output(){
+    public function active_no_course_message_output() {
         ?>
 
         <li class="user-active">
             <div class="sensei-message info">
 
-                <?php _e( 'You have no active courses.', 'woothemes-sensei' ); ?>
+                <?php _e('You have no active courses.', 'woothemes-sensei'); ?>
 
-                <a href="<?php esc_attr_e( Sensei_Course::get_courses_page_url() ); ?>">
+                <a href="<?php esc_attr_e(Sensei_Course::get_courses_page_url()); ?>">
 
-                    <?php  _e( 'Start a Course!', 'woothemes-sensei' ); ?>
+                    <?php  _e('Start a Course!', 'woothemes-sensei'); ?>
 
                 </a>
 
@@ -226,11 +226,11 @@ 
      *
      * @return string $content
      */
-    public function render(){
+    public function render() {
 
         global $wp_query;
 
-        if(!  is_user_logged_in() ) {
+        if ( ! is_user_logged_in()) {
             return '';
         }
 
@@ -249,7 +249,7 @@ 
         Sensei_Templates::get_template('globals/pagination.php');
         echo '</section>';
 
-        $shortcode_output =  ob_get_clean();
+        $shortcode_output = ob_get_clean();
 
         $this->detach_shortcode_hooks();
 
@@ -265,23 +265,23 @@ 
      *
      * @since 1.9.0
      */
-    public function attach_shortcode_hooks(){
+    public function attach_shortcode_hooks() {
 
         // attach the toggle functionality
         // don't show the toggle action if the user specified complete or active for this shortcode
-        if( ! in_array( $this->status, array( 'active', 'complete' ) ) ){
+        if ( ! in_array($this->status, array('active', 'complete'))) {
 
-            add_action( 'sensei_loop_course_before', array( $this, 'course_toggle_actions' ) );
-            add_action( 'wp_footer', array( $this, 'print_course_toggle_actions_inline_script' ), 90 );
+            add_action('sensei_loop_course_before', array($this, 'course_toggle_actions'));
+            add_action('wp_footer', array($this, 'print_course_toggle_actions_inline_script'), 90);
 
         }
 
         // add extra classes to distinguish the course based on user completed or active
-        add_filter( 'sensei_course_loop_content_class', array( $this, 'course_status_class_tagging' ), 20, 2 );
+        add_filter('sensei_course_loop_content_class', array($this, 'course_status_class_tagging'), 20, 2);
 
         // attach progress meter below course
-        add_action( 'sensei_course_content_inside_after', array( $this, 'attach_course_progress' ) );
-        add_action( 'sensei_course_content_inside_after', array( $this, 'attach_course_buttons' ) );
+        add_action('sensei_course_content_inside_after', array($this, 'attach_course_progress'));
+        add_action('sensei_course_content_inside_after', array($this, 'attach_course_buttons'));
 
     }
 
@@ -290,13 +290,13 @@ 
      *
      * @since 1.9.0
      */
-    public function detach_shortcode_hooks(){
+    public function detach_shortcode_hooks() {
 
         //remove all hooks after the output is generated
-        remove_action( 'sensei_course_content_inside_after', array( $this, 'attach_course_progress' ) );
-        remove_action( 'sensei_course_content_inside_after', array( $this, 'attach_course_buttons' ) );
-        remove_filter( 'sensei_course_loop_content_class', array( $this, 'course_status_class_tagging' ), 20, 2 );
-        remove_action( 'sensei_loop_course_before', array( $this, 'course_toggle_actions' ) );
+        remove_action('sensei_course_content_inside_after', array($this, 'attach_course_progress'));
+        remove_action('sensei_course_content_inside_after', array($this, 'attach_course_buttons'));
+        remove_filter('sensei_course_loop_content_class', array($this, 'course_status_class_tagging'), 20, 2);
+        remove_action('sensei_loop_course_before', array($this, 'course_toggle_actions'));
     }
 
     /**
@@ -304,10 +304,10 @@ 
      *
      * @param $course
      */
-    public function attach_course_progress( $course_id ){
+    public function attach_course_progress($course_id) {
 
-        $percentage = Sensei()->course->get_completion_percentage( $course_id, get_current_user_id() );
-        echo Sensei()->course->get_progress_meter( $percentage );
+        $percentage = Sensei()->course->get_completion_percentage($course_id, get_current_user_id());
+        echo Sensei()->course->get_progress_meter($percentage);
 
     }// attach_course_progress
 
@@ -319,9 +319,9 @@ 
      *
      * @param integer $course_id
      */
-    public function attach_course_buttons( $course_id ){
+    public function attach_course_buttons($course_id) {
 
-        Sensei()->course->the_course_action_buttons( get_post( $course_id ) );
+        Sensei()->course->the_course_action_buttons(get_post($course_id));
 
     }// attach_course_buttons
 
@@ -334,9 +334,9 @@ 
      * @param WP_Post $course
      * @return array $classes
      */
-    public function course_status_class_tagging($classes, $course){
+    public function course_status_class_tagging($classes, $course) {
 
-        if ( Sensei_Utils::user_completed_course( $course, get_current_user_id() ) ) {
+        if (Sensei_Utils::user_completed_course($course, get_current_user_id())) {
 
             $classes[] = 'user-completed';
 
@@ -353,7 +353,7 @@ 
     /**
      * Output the course toggle functionality
      */
-    public function course_toggle_actions(){ ?>
+    public function course_toggle_actions() { ?>
 
         <section id="user-course-status-toggle">
             <a id="sensei-user-courses-active-action" href=""><?php _e('Active Courses'); ?></a>

includes/shortcodes/class-sensei-legacy-shortcodes.php

Spacing +79 added lines, -79 removed lines

@@ -22,14 +22,14 @@ 
      *
      * @since 1.9.0
      */
-    public static function init(){
+    public static function init() {
 
-        add_shortcode( 'allcourses',      array( __CLASS__, 'all_courses' ) );
-        add_shortcode( 'newcourses',      array( __CLASS__,'new_courses' ) );
-        add_shortcode( 'featuredcourses', array( __CLASS__,'featured_courses') );
-        add_shortcode( 'freecourses',     array( __CLASS__,'free_courses') );
-        add_shortcode( 'paidcourses',     array( __CLASS__,'paid_courses') );
-        add_shortcode( 'usercourses',     array( __CLASS__,'user_courses' ) );
+        add_shortcode('allcourses', array(__CLASS__, 'all_courses'));
+        add_shortcode('newcourses', array(__CLASS__, 'new_courses'));
+        add_shortcode('featuredcourses', array(__CLASS__, 'featured_courses'));
+        add_shortcode('freecourses', array(__CLASS__, 'free_courses'));
+        add_shortcode('paidcourses', array(__CLASS__, 'paid_courses'));
+        add_shortcode('usercourses', array(__CLASS__, 'user_courses'));
 
     }
     /**
@@ -42,9 +42,9 @@ 
      * @param mixed $content (default: null)
      * @return string
      */
-    public static function all_courses( $atts, $content = null ) {
+    public static function all_courses($atts, $content = null) {
 
-        return self::generate_shortcode_courses( '', 'allcourses' ); // all courses but no title
+        return self::generate_shortcode_courses('', 'allcourses'); // all courses but no title
 
     } // all_courses()
 
@@ -56,9 +56,9 @@ 
      * @param mixed $content (default: null)
      * @return string
      */
-    public static function paid_courses( $atts, $content = null ) {
+    public static function paid_courses($atts, $content = null) {
 
-        return self::generate_shortcode_courses( 'Paid Courses', 'paidcourses' );
+        return self::generate_shortcode_courses('Paid Courses', 'paidcourses');
 
     } // End paid_courses()
 
@@ -71,9 +71,9 @@ 
      * @param mixed $content (default: null)
      * @return string
      */
-    public static function featured_courses( $atts, $content = null ) {
+    public static function featured_courses($atts, $content = null) {
 
-        return self::generate_shortcode_courses( 'Featured Courses', 'featuredcourses' );
+        return self::generate_shortcode_courses('Featured Courses', 'featuredcourses');
 
     } // End featured_courses()
 
@@ -85,9 +85,9 @@ 
      * @param mixed $content (default: null)
      * @return string
      */
-    public static function free_courses( $atts, $content = null ) {
+    public static function free_courses($atts, $content = null) {
 
-        return self::generate_shortcode_courses( 'Free Courses', 'freecourses' );
+        return self::generate_shortcode_courses('Free Courses', 'freecourses');
 
     } // End free_courses()
 
@@ -99,9 +99,9 @@ 
      * @param mixed $content (default: null)
      * @return string
      */
-    public static function new_courses( $atts, $content = null ) {
+    public static function new_courses($atts, $content = null) {
 
-        return self::generate_shortcode_courses( 'New Courses', 'newcourses' );
+        return self::generate_shortcode_courses('New Courses', 'newcourses');
 
     } // End new_courses()
 
@@ -114,7 +114,7 @@ 
      * @param $shortcode_specific_override
      * @return string
      */
-    public static function generate_shortcode_courses( $title , $shortcode_specific_override  ){
+    public static function generate_shortcode_courses($title, $shortcode_specific_override) {
 
         global  $shortcode_override, $posts_array;
 
@@ -122,9 +122,9 @@ 
 
         // do not show this short code if there is a shortcode int he url and
         // this specific shortcode is not the one requested in the ur.
-        $specific_shortcode_requested = isset( $_GET['action'] ) ?  sanitize_text_field(  $_GET['action']  ) : '';
-        if( ! empty( $specific_shortcode_requested) &&
-            $specific_shortcode_requested != $shortcode_override ){
+        $specific_shortcode_requested = isset($_GET['action']) ? sanitize_text_field($_GET['action']) : '';
+        if ( ! empty($specific_shortcode_requested) &&
+            $specific_shortcode_requested != $shortcode_override) {
 
             return '';
 
@@ -136,15 +136,15 @@ 
         $courses = ob_get_clean();
 
         $content = '';
-        if( count( $posts_array ) > 0 ){
+        if (count($posts_array) > 0) {
 
-            $before = empty($title)? '' : '<header class="archive-header"><h2>'. $title .'</h2></header>';
+            $before = empty($title) ? '' : '<header class="archive-header"><h2>'.$title.'</h2></header>';
             $before .= '<section id="main-course" class="course-container">';
 
             $after = '</section>';
 
             //assemble
-            $content = $before . $courses . $after;
+            $content = $before.$courses.$after;
 
         }
 
@@ -161,19 +161,19 @@ 
      * @param mixed $content (default: null)
      * @return string
      */
-    public static function user_courses( $atts, $content = null ) {
+    public static function user_courses($atts, $content = null) {
         global $shortcode_override;
-        extract( shortcode_atts( array(	'amount' => 0 ), $atts ) );
+        extract(shortcode_atts(array('amount' => 0), $atts));
 
         $shortcode_override = 'usercourses';
 
         ob_start();
 
-        if( is_user_logged_in() ){
+        if (is_user_logged_in()) {
 
-            Sensei_Templates::get_template( 'user/my-courses.php' );
+            Sensei_Templates::get_template('user/my-courses.php');
 
-        }else{
+        } else {
 
             Sensei()->frontend->sensei_login_form();
 
@@ -189,54 +189,54 @@ 
      * loop-course.php for the old shortcodes.
      * @since 1.9.0
      */
-    public static function initialise_legacy_course_loop(){
+    public static function initialise_legacy_course_loop() {
 
         global  $post, $wp_query, $shortcode_override, $course_excludes;
 
         // Handle Query Type
         $query_type = '';
 
-        if ( isset( $_GET[ 'action' ] ) && ( '' != esc_html( $_GET[ 'action' ] ) ) ) {
-            $query_type = esc_html( $_GET[ 'action' ] );
+        if (isset($_GET['action']) && ('' != esc_html($_GET['action']))) {
+            $query_type = esc_html($_GET['action']);
         } // End If Statement
 
-        if ( '' != $shortcode_override ) {
+        if ('' != $shortcode_override) {
             $query_type = $shortcode_override;
         } // End If Statement
 
-        if ( !is_array( $course_excludes ) ) { $course_excludes = array(); }
+        if ( ! is_array($course_excludes)) { $course_excludes = array(); }
 
         // Check that query returns results
         // Handle Pagination
-        $paged = $wp_query->get( 'paged' );
-        $paged = empty( $paged ) ? 1 : $paged;
+        $paged = $wp_query->get('paged');
+        $paged = empty($paged) ? 1 : $paged;
 
 
         // Check for pagination settings
-        if ( isset( Sensei()->settings->settings[ 'course_archive_amount' ] ) && ( 0 < absint( Sensei()->settings->settings[ 'course_archive_amount' ] ) ) ) {
+        if (isset(Sensei()->settings->settings['course_archive_amount']) && (0 < absint(Sensei()->settings->settings['course_archive_amount']))) {
 
-            $amount = absint( Sensei()->settings->settings[ 'course_archive_amount' ] );
+            $amount = absint(Sensei()->settings->settings['course_archive_amount']);
 
         } else {
 
-            $amount = $wp_query->get( 'posts_per_page' );
+            $amount = $wp_query->get('posts_per_page');
 
         } // End If Statement
 
         // This is not a paginated page (or it's simply the first page of a paginated page/post)
 
         global $posts_array;
-        $course_includes   = array();
+        $course_includes = array();
 
-        $query_args = Sensei()->course->get_archive_query_args( $shortcode_override, $amount, $course_includes, $course_excludes );
-        $course_query = new WP_Query( $query_args );
+        $query_args = Sensei()->course->get_archive_query_args($shortcode_override, $amount, $course_includes, $course_excludes);
+        $course_query = new WP_Query($query_args);
         $posts_array = $course_query->get_posts();
 
         // output the courses
-        if( ! empty( $posts_array ) ) {
+        if ( ! empty($posts_array)) {
 
             //output all courses for current query
-            self::loop_courses( $course_query, $amount );
+            self::loop_courses($course_query, $amount);
 
         }
 
@@ -249,31 +249,31 @@ 
      *
      * @param WP_Query $course_query
      */
-    public static function loop_courses( $course_query, $amount ){
+    public static function loop_courses($course_query, $amount) {
 
         global $shortcode_override, $posts_array, $post, $wp_query, $shortcode_override, $course_excludes, $course_includes;
 
-        if ( count( $course_query->get_posts() ) > 0 ) {
+        if (count($course_query->get_posts()) > 0) {
 
-            do_action( 'sensei_course_archive_header', $shortcode_override );
+            do_action('sensei_course_archive_header', $shortcode_override);
 
-            foreach ( $course_query->get_posts() as $course){
+            foreach ($course_query->get_posts() as $course) {
 
                 // Make sure the other loops dont include the same post twice!
-                array_push( $course_excludes, $course->ID );
+                array_push($course_excludes, $course->ID);
 
                 // output the course markup
-                self::the_course( $course->ID );
+                self::the_course($course->ID);
 
             } // End For Loop
 
             // More and Prev links
-            $posts_array_query = new WP_Query(Sensei()->course->course_query( $shortcode_override, $amount, $course_includes, $course_excludes ) );
+            $posts_array_query = new WP_Query(Sensei()->course->course_query($shortcode_override, $amount, $course_includes, $course_excludes));
             $posts_array       = $posts_array_query->get_posts();
             $max_pages = $course_query->found_posts / $amount;
-            if ( '' != $shortcode_override && ( $max_pages > $course_query->get( 'paged' ) ) ) {
+            if ('' != $shortcode_override && ($max_pages > $course_query->get('paged'))) {
 
-                switch( $shortcode_override ){
+                switch ($shortcode_override) {
                     case 'paidcourses':
                         $filter = 'paid';
                         break;
@@ -289,22 +289,22 @@ 
                 }
 
                 $quer_args = array();
-                $quer_args[ 'paged' ] = '2';
-                if( !empty( $filter ) ){
-                    $quer_args[ 'course_filter' ] = $filter;
+                $quer_args['paged'] = '2';
+                if ( ! empty($filter)) {
+                    $quer_args['course_filter'] = $filter;
                 }
 
-                $course_pagination_link = get_post_type_archive_link( 'course' );
-                $more_link_text = esc_html( Sensei()->settings->settings[ 'course_archive_more_link_text' ] );
-                $more_link_url =  esc_url( add_query_arg( $quer_args, $course_pagination_link ) );
+                $course_pagination_link = get_post_type_archive_link('course');
+                $more_link_text = esc_html(Sensei()->settings->settings['course_archive_more_link_text']);
+                $more_link_url = esc_url(add_query_arg($quer_args, $course_pagination_link));
 
                 // next/more
                 $html  = '<div class="navigation"><div class="nav-next">';
-                $html .= '<a href="' . $more_link_url . '">';
+                $html .= '<a href="'.$more_link_url.'">';
                 $html .= $more_link_text;
                 $html .= '<span class="meta-nav"></span></a></div>';
 
-                echo apply_filters( 'course_archive_next_link', $html );
+                echo apply_filters('course_archive_next_link', $html);
 
             } // End If Statement
 
@@ -316,23 +316,23 @@ 
      *
      * @param $course_id
      */
-    public static function the_course( $course_id ){
+    public static function the_course($course_id) {
 
         // Get meta data
-        $course =  get_post( $course_id );
-        $user_info = get_userdata( absint( $course->post_author ) );
-        $author_link = get_author_posts_url( absint( $course->post_author ) );
+        $course = get_post($course_id);
+        $user_info = get_userdata(absint($course->post_author));
+        $author_link = get_author_posts_url(absint($course->post_author));
         $author_display_name = $user_info->display_name;
         $author_id = $course->post_author;
-        $category_output = get_the_term_list( $course_id, 'course-category', '', ', ', '' );
-        $preview_lesson_count = intval( Sensei()->course->course_lesson_preview_count( $course_id ) );
-        $is_user_taking_course = Sensei_Utils::user_started_course( $course_id, get_current_user_id() );
+        $category_output = get_the_term_list($course_id, 'course-category', '', ', ', '');
+        $preview_lesson_count = intval(Sensei()->course->course_lesson_preview_count($course_id));
+        $is_user_taking_course = Sensei_Utils::user_started_course($course_id, get_current_user_id());
         ?>
 
-        <article class="<?php echo esc_attr( join( ' ', get_post_class( array( 'course', 'post' ), $course_id ) ) ); ?>">
+        <article class="<?php echo esc_attr(join(' ', get_post_class(array('course', 'post'), $course_id))); ?>">
             <?php
             // so that legacy shortcodes work with the party plugins that wants to hook in
-            do_action('sensei_course_content_before',$course->ID );
+            do_action('sensei_course_content_before', $course->ID);
             ?>
             <div class="course-content">
 
@@ -348,19 +348,19 @@ 
 
                     <p class="sensei-course-meta">
 
-                        <?php if ( isset( Sensei()->settings->settings[ 'course_author' ] ) && ( Sensei()->settings->settings[ 'course_author' ] ) ) { ?>
-                            <span class="course-author"><?php _e( 'by ', 'woothemes-sensei' ); ?><a href="<?php echo $author_link; ?>" title="<?php echo esc_attr( $author_display_name ); ?>"><?php echo esc_html( $author_display_name   ); ?></a></span>
+                        <?php if (isset(Sensei()->settings->settings['course_author']) && (Sensei()->settings->settings['course_author'])) { ?>
+                            <span class="course-author"><?php _e('by ', 'woothemes-sensei'); ?><a href="<?php echo $author_link; ?>" title="<?php echo esc_attr($author_display_name); ?>"><?php echo esc_html($author_display_name); ?></a></span>
                         <?php } // End If Statement ?>
 
                         <span class="course-lesson-count">
-                                    <?php echo Sensei()->course->course_lesson_count( $course_id ) . '&nbsp;' .  __( 'Lessons', 'woothemes-sensei' ); ?>
+                                    <?php echo Sensei()->course->course_lesson_count($course_id).'&nbsp;'.__('Lessons', 'woothemes-sensei'); ?>
                                 </span>
 
-                        <?php if ( '' != $category_output ) { ?>
-                            <span class="course-category"><?php echo sprintf( __( 'in %s', 'woothemes-sensei' ), $category_output ); ?></span>
+                        <?php if ('' != $category_output) { ?>
+                            <span class="course-category"><?php echo sprintf(__('in %s', 'woothemes-sensei'), $category_output); ?></span>
                         <?php } // End If Statement ?>
 
-                        <?php sensei_simple_course_price( $course_id ); ?>
+                        <?php sensei_simple_course_price($course_id); ?>
 
                     </p>
 
@@ -368,10 +368,10 @@ 
 
                     </p>
 
-                    <?php if ( 0 < $preview_lesson_count && !$is_user_taking_course ) {
-                        $preview_lessons = sprintf( __( '(%d preview lessons)', 'woothemes-sensei' ), $preview_lesson_count ); ?>
+                    <?php if (0 < $preview_lesson_count && ! $is_user_taking_course) {
+                        $preview_lessons = sprintf(__('(%d preview lessons)', 'woothemes-sensei'), $preview_lesson_count); ?>
                         <p class="sensei-free-lessons">
-                            <a href="<?php echo get_permalink( $course_id ); ?>"><?php _e( 'Preview this course', 'woothemes-sensei' ) ?>
+                            <a href="<?php echo get_permalink($course_id); ?>"><?php _e('Preview this course', 'woothemes-sensei') ?>
                             </a> - <?php echo $preview_lessons; ?>
                         </p>
                     <?php } ?>

includes/class-sensei-quiz.php

Spacing +286 added lines, -286 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
+if ( ! defined('ABSPATH')) exit; // Exit if accessed directly
 
 /**
  * Sensei Quiz Class
@@ -22,25 +22,25 @@ 
 	 *
 	 * @param $file
 	 */
-	public function __construct ( $file = __FILE__ ) {
+	public function __construct($file = __FILE__) {
 		$this->file = $file;
         $this->token = 'quiz';
-		$this->meta_fields = array( 'quiz_passmark', 'quiz_lesson', 'quiz_type', 'quiz_grade_type', 'pass_required','enable_quiz_reset' );
-		add_action( 'save_post', array( $this, 'update_author' ));
+		$this->meta_fields = array('quiz_passmark', 'quiz_lesson', 'quiz_type', 'quiz_grade_type', 'pass_required', 'enable_quiz_reset');
+		add_action('save_post', array($this, 'update_author'));
 
 		// listen to the reset button click
-		add_action( 'template_redirect', array( $this, 'reset_button_click_listener'  ) );
+		add_action('template_redirect', array($this, 'reset_button_click_listener'));
 
         // fire the complete quiz button submit for grading action
-        add_action( 'sensei_single_quiz_content_inside_before', array( $this, 'user_quiz_submit_listener' ) );
+        add_action('sensei_single_quiz_content_inside_before', array($this, 'user_quiz_submit_listener'));
 
 		// fire the save user answers quiz button click responder
-		add_action( 'sensei_single_quiz_content_inside_before', array( $this, 'user_save_quiz_answers_listener' ) );
+		add_action('sensei_single_quiz_content_inside_before', array($this, 'user_save_quiz_answers_listener'));
 
         // fire the load global data function
-        add_action( 'sensei_single_quiz_content_inside_before', array( $this, 'load_global_quiz_data' ), 80 );
+        add_action('sensei_single_quiz_content_inside_before', array($this, 'load_global_quiz_data'), 80);
 
-        add_action( 'template_redirect', array ( $this, 'quiz_has_no_questions') );
+        add_action('template_redirect', array($this, 'quiz_has_no_questions'));
 
 
     } // End __construct()
@@ -51,25 +51,25 @@ 
 	* @param int $post_id
 	* @return void
 	*/
-	public function update_author( $post_id ){
+	public function update_author($post_id) {
 
 		// If this isn't a 'lesson' post, don't update it.
         // if this is a revision don't save it
-	    if ( isset( $_POST['post_type'] ) && 'lesson' != $_POST['post_type']
-            || wp_is_post_revision( $post_id ) ) {
+	    if (isset($_POST['post_type']) && 'lesson' != $_POST['post_type']
+            || wp_is_post_revision($post_id)) {
 
                 return;
 
         }
 	    // get the lesson author id to be use late
-	    $saved_post = get_post( $post_id );
-	    $new_lesson_author_id =  $saved_post->post_author;
+	    $saved_post = get_post($post_id);
+	    $new_lesson_author_id = $saved_post->post_author;
 
 	    //get the lessons quiz
-		$lesson_quizzes = Sensei()->lesson->lesson_quizzes( $post_id );
-	    foreach ( (array) $lesson_quizzes as $quiz_item ) {
+		$lesson_quizzes = Sensei()->lesson->lesson_quizzes($post_id);
+	    foreach ((array) $lesson_quizzes as $quiz_item) {
 
-	    	if( ! $quiz_item ) {
+	    	if ( ! $quiz_item) {
 	    		continue;
 	    	}
 
@@ -80,10 +80,10 @@ 
 			);
 
             // remove the action so that it doesn't fire again
-            remove_action( 'save_post', array( $this, 'update_author' ));
+            remove_action('save_post', array($this, 'update_author'));
 
 			// Update the post into the database
-		  	wp_update_post( $my_post );
+		  	wp_update_post($my_post);
 	    }
 
 	    return;
@@ -97,19 +97,19 @@ 
 	 * @param int $quiz_id
 	 * @return int @lesson_id
 	 */
-	public function get_lesson_id( $quiz_id ){
+	public function get_lesson_id($quiz_id) {
 
-		if( empty( $quiz_id ) || ! intval( $quiz_id ) > 0 ){
+		if (empty($quiz_id) || ! intval($quiz_id) > 0) {
 			global $post;
-			if( 'quiz' == get_post_type( $post ) ){
+			if ('quiz' == get_post_type($post)) {
 				$quiz_id = $post->ID;
-			}else{
+			} else {
 				return false;
 			}
 
 		}
 
-		$quiz = get_post( $quiz_id );
+		$quiz = get_post($quiz_id);
 		$lesson_id = $quiz->post_parent;
 
 		return $lesson_id;
@@ -124,23 +124,23 @@ 
      * @since 1.7.3
      * @return bool $saved;
      */
-    public function user_save_quiz_answers_listener(){
+    public function user_save_quiz_answers_listener() {
 
-        if( ! isset( $_POST[ 'quiz_save' ])
-            || !isset( $_POST[ 'sensei_question' ] )
-            || empty( $_POST[ 'sensei_question' ] )
-            ||  ! wp_verify_nonce( $_POST['woothemes_sensei_save_quiz_nonce'], 'woothemes_sensei_save_quiz_nonce'  ) > 1 ) {
+        if ( ! isset($_POST['quiz_save'])
+            || ! isset($_POST['sensei_question'])
+            || empty($_POST['sensei_question'])
+            ||  ! wp_verify_nonce($_POST['woothemes_sensei_save_quiz_nonce'], 'woothemes_sensei_save_quiz_nonce') > 1) {
             return;
         }
 
         global $post;
-        $lesson_id = $this->get_lesson_id( $post->ID );
-        $quiz_answers = $_POST[ 'sensei_question' ];
+        $lesson_id = $this->get_lesson_id($post->ID);
+        $quiz_answers = $_POST['sensei_question'];
         // call the save function
-        self::save_user_answers( $quiz_answers, $_FILES , $lesson_id  , get_current_user_id() );
+        self::save_user_answers($quiz_answers, $_FILES, $lesson_id, get_current_user_id());
 
         // remove the hook as it should only fire once per click
-        remove_action( 'sensei_single_quiz_content_inside_before', 'user_save_quiz_answers_listener' );
+        remove_action('sensei_single_quiz_content_inside_before', 'user_save_quiz_answers_listener');
 
     } // end user_save_quiz_answers_listener
 
@@ -159,17 +159,17 @@ 
 	 *
 	 * @return false or int $answers_saved
 	 */
-	public static function save_user_answers( $quiz_answers, $files = array(), $lesson_id , $user_id = 0 ){
+	public static function save_user_answers($quiz_answers, $files = array(), $lesson_id, $user_id = 0) {
 
-        if( ! ( $user_id > 0 ) ){
+        if ( ! ($user_id > 0)) {
             $user_id = get_current_user_id();
         }
 
         // make sure the parameters are valid before continuing
-		if( empty( $lesson_id ) || empty( $user_id )
-			|| 'lesson' != get_post_type( $lesson_id )
-			||!get_userdata( $user_id )
-			|| !is_array( $quiz_answers ) ){
+		if (empty($lesson_id) || empty($user_id)
+			|| 'lesson' != get_post_type($lesson_id)
+			||! get_userdata($user_id)
+			|| ! is_array($quiz_answers)) {
 
 			return false;
 
@@ -177,23 +177,23 @@ 
 
 
         // start the lesson before saving the data in case the user has not started the lesson
-        $activity_logged = Sensei_Utils::sensei_start_lesson( $lesson_id, $user_id );
+        $activity_logged = Sensei_Utils::sensei_start_lesson($lesson_id, $user_id);
 
 		//prepare the answers
-		$prepared_answers = self::prepare_form_submitted_answers( $quiz_answers , $files );
+		$prepared_answers = self::prepare_form_submitted_answers($quiz_answers, $files);
 
 		// save the user data
-        $answers_saved = Sensei_Utils::add_user_data( 'quiz_answers', $lesson_id, $prepared_answers, $user_id ) ;
+        $answers_saved = Sensei_Utils::add_user_data('quiz_answers', $lesson_id, $prepared_answers, $user_id);
 
 		// were the answers saved correctly?
-		if( intval( $answers_saved ) > 0){
+		if (intval($answers_saved) > 0) {
 
             // save transient to make retrieval faster
             $transient_key = 'sensei_answers_'.$user_id.'_'.$lesson_id;
-            set_transient( $transient_key, $prepared_answers, 10 * DAY_IN_SECONDS );
+            set_transient($transient_key, $prepared_answers, 10 * DAY_IN_SECONDS);
 
             // update the message showed to user
-            Sensei()->frontend->messages = '<div class="sensei-message note">' . __( 'Quiz Saved Successfully.', 'woothemes-sensei' )  . '</div>';
+            Sensei()->frontend->messages = '<div class="sensei-message note">'.__('Quiz Saved Successfully.', 'woothemes-sensei').'</div>';
         }
 
 		return $answers_saved;
@@ -215,41 +215,41 @@ 
 	 *
 	 * @return array $answers or false
 	 */
-	public function get_user_answers( $lesson_id, $user_id ){
+	public function get_user_answers($lesson_id, $user_id) {
 
 		$answers = false;
 
-		if ( ! intval( $lesson_id ) > 0 || 'lesson' != get_post_type( $lesson_id )
-		|| ! intval( $user_id )  > 0 || !get_userdata( $user_id )  ) {
+		if ( ! intval($lesson_id) > 0 || 'lesson' != get_post_type($lesson_id)
+		|| ! intval($user_id) > 0 || ! get_userdata($user_id)) {
 			return false;
 		}
 
         // save some time and get the transient cached data
         $transient_key = 'sensei_answers_'.$user_id.'_'.$lesson_id;
-        $transient_cached_answers = get_transient( $transient_key );
+        $transient_cached_answers = get_transient($transient_key);
 
         // return the transient or get the values get the values from the comment meta
-        if( !empty( $transient_cached_answers  ) && false != $transient_cached_answers ){
+        if ( ! empty($transient_cached_answers) && false != $transient_cached_answers) {
 
             $encoded_user_answers = $transient_cached_answers;
 
-        }else{
+        } else {
 
-            $encoded_user_answers = Sensei_Utils::get_user_data( 'quiz_answers', $lesson_id  , $user_id );
+            $encoded_user_answers = Sensei_Utils::get_user_data('quiz_answers', $lesson_id, $user_id);
 
         } // end if transient check
 
-		if( ! is_array( $encoded_user_answers ) ){
+		if ( ! is_array($encoded_user_answers)) {
 			return false;
 		}
 
         //set the transient with the new valid data for faster retrieval in future
-        set_transient( $transient_key,  $encoded_user_answers, 10 * DAY_IN_SECONDS);
+        set_transient($transient_key, $encoded_user_answers, 10 * DAY_IN_SECONDS);
 
 		// decode an unserialize all answers
-		foreach( $encoded_user_answers as $question_id => $encoded_answer ) {
-			$decoded_answer = base64_decode( $encoded_answer );
-			$answers[$question_id] = maybe_unserialize( $decoded_answer );
+		foreach ($encoded_user_answers as $question_id => $encoded_answer) {
+			$decoded_answer = base64_decode($encoded_answer);
+			$answers[$question_id] = maybe_unserialize($decoded_answer);
 		}
 
 		return $answers;
@@ -266,23 +266,23 @@ 
 	 *
 	 * @return void;
 	 */
-	public function reset_button_click_listener( ){
+	public function reset_button_click_listener( ) {
 
-		if( ! isset( $_POST[ 'quiz_reset' ])
-			||  ! wp_verify_nonce( $_POST['woothemes_sensei_reset_quiz_nonce'], 'woothemes_sensei_reset_quiz_nonce'  ) > 1 ) {
+		if ( ! isset($_POST['quiz_reset'])
+			||  ! wp_verify_nonce($_POST['woothemes_sensei_reset_quiz_nonce'], 'woothemes_sensei_reset_quiz_nonce') > 1) {
 
 			return; // exit
 		}
 
 		global $post;
 		$current_quiz_id = $post->ID;
-		$lesson_id = $this->get_lesson_id( $current_quiz_id );
+		$lesson_id = $this->get_lesson_id($current_quiz_id);
 
         // reset all user data
-        $this->reset_user_lesson_data( $lesson_id, get_current_user_id() );
+        $this->reset_user_lesson_data($lesson_id, get_current_user_id());
 
 		//this function should only run once
-		remove_action( 'template_redirect', array( $this, 'reset_button_click_listener'  ) );
+		remove_action('template_redirect', array($this, 'reset_button_click_listener'));
 
 	} // end reset_button_click_listener
 
@@ -301,18 +301,18 @@ 
 	public function user_quiz_submit_listener() {
 
         // only respond to valid quiz completion submissions
-        if( ! isset( $_POST[ 'quiz_complete' ])
-            || !isset( $_POST[ 'sensei_question' ] )
-            || empty( $_POST[ 'sensei_question' ] )
-            ||  ! wp_verify_nonce( $_POST['woothemes_sensei_complete_quiz_nonce'], 'woothemes_sensei_complete_quiz_nonce'  ) > 1 ) {
+        if ( ! isset($_POST['quiz_complete'])
+            || ! isset($_POST['sensei_question'])
+            || empty($_POST['sensei_question'])
+            ||  ! wp_verify_nonce($_POST['woothemes_sensei_complete_quiz_nonce'], 'woothemes_sensei_complete_quiz_nonce') > 1) {
             return;
         }
 
         global $post, $current_user;
-        $lesson_id = $this->get_lesson_id( $post->ID );
-        $quiz_answers = $_POST[ 'sensei_question' ];
+        $lesson_id = $this->get_lesson_id($post->ID);
+        $quiz_answers = $_POST['sensei_question'];
 
-        self::submit_answers_for_grading( $quiz_answers, $_FILES ,  $lesson_id  , $current_user->ID );
+        self::submit_answers_for_grading($quiz_answers, $_FILES, $lesson_id, $current_user->ID);
 
 	} // End sensei_complete_quiz()
 
@@ -326,7 +326,7 @@ 
      * @access public
      *
      */
-    public function load_global_quiz_data(){
+    public function load_global_quiz_data() {
 
         global  $post, $current_user;
         $this->data = new stdClass();
@@ -335,46 +335,46 @@ 
         $grade = 0;
 
         // Get Quiz Questions
-        $lesson_quiz_questions = Sensei()->lesson->lesson_quiz_questions( $post->ID );
+        $lesson_quiz_questions = Sensei()->lesson->lesson_quiz_questions($post->ID);
 
-        $quiz_lesson_id = absint( get_post_meta( $post->ID, '_quiz_lesson', true ) );
+        $quiz_lesson_id = absint(get_post_meta($post->ID, '_quiz_lesson', true));
 
         // Get quiz grade type
-        $quiz_grade_type = get_post_meta( $post->ID, '_quiz_grade_type', true );
+        $quiz_grade_type = get_post_meta($post->ID, '_quiz_grade_type', true);
 
         // Get quiz pass setting
-        $pass_required = get_post_meta( $post->ID, '_pass_required', true );
+        $pass_required = get_post_meta($post->ID, '_pass_required', true);
 
         // Get quiz pass mark
-        $quiz_passmark = abs( round( doubleval( get_post_meta( $post->ID, '_quiz_passmark', true ) ), 2 ) );
+        $quiz_passmark = abs(round(doubleval(get_post_meta($post->ID, '_quiz_passmark', true)), 2));
 
         // Get latest quiz answers and grades
-        $lesson_id = Sensei()->quiz->get_lesson_id( $post->ID );
-        $user_quizzes = Sensei()->quiz->get_user_answers( $lesson_id, get_current_user_id() );
-        $user_lesson_status = Sensei_Utils::user_lesson_status( $quiz_lesson_id, $current_user->ID );
+        $lesson_id = Sensei()->quiz->get_lesson_id($post->ID);
+        $user_quizzes = Sensei()->quiz->get_user_answers($lesson_id, get_current_user_id());
+        $user_lesson_status = Sensei_Utils::user_lesson_status($quiz_lesson_id, $current_user->ID);
         $user_quiz_grade = 0;
-        if( isset( $user_lesson_status->comment_ID ) ) {
-            $user_quiz_grade = get_comment_meta( $user_lesson_status->comment_ID, 'grade', true );
+        if (isset($user_lesson_status->comment_ID)) {
+            $user_quiz_grade = get_comment_meta($user_lesson_status->comment_ID, 'grade', true);
         }
 
-        if ( ! is_array($user_quizzes) ) { $user_quizzes = array(); }
+        if ( ! is_array($user_quizzes)) { $user_quizzes = array(); }
 
         // Check again that the lesson is complete
-        $user_lesson_end = Sensei_Utils::user_completed_lesson( $user_lesson_status );
+        $user_lesson_end = Sensei_Utils::user_completed_lesson($user_lesson_status);
         $user_lesson_complete = false;
-        if ( $user_lesson_end ) {
+        if ($user_lesson_end) {
             $user_lesson_complete = true;
         } // End If Statement
 
-        $reset_allowed = get_post_meta( $post->ID, '_enable_quiz_reset', true );
+        $reset_allowed = get_post_meta($post->ID, '_enable_quiz_reset', true);
         //backwards compatibility
-        if( 'on' == $reset_allowed ) {
+        if ('on' == $reset_allowed) {
             $reset_allowed = 1;
         }
 
         // Build frontend data object for backwards compatibility
         // using this is no longer recommended
-        $this->data->user_quiz_grade = $user_quiz_grade;// Sensei_Quiz::get_user_quiz_grade( $lesson_id, get_current_user_id() );
+        $this->data->user_quiz_grade = $user_quiz_grade; // Sensei_Quiz::get_user_quiz_grade( $lesson_id, get_current_user_id() );
         $this->data->quiz_passmark = $quiz_passmark;
         $this->data->quiz_lesson = $quiz_lesson_id;
         $this->data->quiz_grade_type = $quiz_grade_type; // get_post_meta( $quiz_id, '_quiz_grade_type', true );
@@ -399,41 +399,41 @@ 
 	 * @param $files
 	 * @return array
 	 */
-	public static function prepare_form_submitted_answers( $unprepared_answers,  $files ){
+	public static function prepare_form_submitted_answers($unprepared_answers, $files) {
 
 
 		$prepared_answers = array();
 
 		// validate incoming answers
-		if( empty( $unprepared_answers  ) || ! is_array( $unprepared_answers ) ){
+		if (empty($unprepared_answers) || ! is_array($unprepared_answers)) {
 			return false;
 		}
 
 		// Loop through submitted quiz answers and save them appropriately
-		foreach( $unprepared_answers as $question_id => $answer ) {
+		foreach ($unprepared_answers as $question_id => $answer) {
 
 			//get the current questions question type
-            $question_type = Sensei()->question->get_question_type( $question_id );
+            $question_type = Sensei()->question->get_question_type($question_id);
 
 			// Sanitise answer
-			if( 0 == get_magic_quotes_gpc() ) {
-				$answer = wp_unslash( $answer );
+			if (0 == get_magic_quotes_gpc()) {
+				$answer = wp_unslash($answer);
 			}
 
             // compress the answer for saving
-			if( 'multi-line' == $question_type ) {
-                $answer = esc_html( $answer );
-            }elseif( 'file-upload' == $question_type  ){
-                $file_key = 'file_upload_' . $question_id;
-                if( isset( $files[ $file_key ] ) ) {
-                        $attachment_id = Sensei_Utils::upload_file(  $files[ $file_key ] );
-                        if( $attachment_id ) {
+			if ('multi-line' == $question_type) {
+                $answer = esc_html($answer);
+            }elseif ('file-upload' == $question_type) {
+                $file_key = 'file_upload_'.$question_id;
+                if (isset($files[$file_key])) {
+                        $attachment_id = Sensei_Utils::upload_file($files[$file_key]);
+                        if ($attachment_id) {
                             $answer = $attachment_id;
                         }
                     }
             } // end if
 
-			$prepared_answers[ $question_id ] =  base64_encode( maybe_serialize( $answer ) );
+			$prepared_answers[$question_id] = base64_encode(maybe_serialize($answer));
 
 		}// end for each $quiz_answers
 
@@ -453,54 +453,54 @@ 
      * @param int $user_id
      * @param int $lesson_id
      */
-    public function reset_user_lesson_data( $lesson_id , $user_id = 0 ){
+    public function reset_user_lesson_data($lesson_id, $user_id = 0) {
 
         //make sure the parameters are valid
-        if( empty( $lesson_id ) || empty( $user_id )
-            || 'lesson' != get_post_type( $lesson_id )
-            || ! get_userdata( $user_id ) ){
+        if (empty($lesson_id) || empty($user_id)
+            || 'lesson' != get_post_type($lesson_id)
+            || ! get_userdata($user_id)) {
             return false;
         }
 
 
 
         //get the users lesson status to make
-        $user_lesson_status = Sensei_Utils::user_lesson_status( $lesson_id, $user_id );
-        if( ! isset( $user_lesson_status->comment_ID ) ) {
+        $user_lesson_status = Sensei_Utils::user_lesson_status($lesson_id, $user_id);
+        if ( ! isset($user_lesson_status->comment_ID)) {
             // this user is not taking this lesson so this process is not needed
             return false;
         }
 
         //get the lesson quiz and course
-        $quiz_id = Sensei()->lesson->lesson_quizzes( $lesson_id );
-        $course_id = Sensei()->lesson->get_course_id( $lesson_id );
+        $quiz_id = Sensei()->lesson->lesson_quizzes($lesson_id);
+        $course_id = Sensei()->lesson->get_course_id($lesson_id);
 
         // reset the transients
         $answers_transient_key = 'sensei_answers_'.$user_id.'_'.$lesson_id;
         $grades_transient_key = 'quiz_grades_'.$user_id.'_'.$lesson_id;
         $answers_feedback_transient_key = 'sensei_answers_feedback_'.$user_id.'_'.$lesson_id;
-        delete_transient( $answers_transient_key );
-        delete_transient( $grades_transient_key );
-        delete_transient( $answers_feedback_transient_key );
+        delete_transient($answers_transient_key);
+        delete_transient($grades_transient_key);
+        delete_transient($answers_feedback_transient_key);
 
         // reset the quiz answers and feedback notes
-        $deleted_answers = Sensei_Utils::delete_user_data( 'quiz_answers', $lesson_id, $user_id );
-        $deleted_grades = Sensei_Utils::delete_user_data( 'quiz_grades', $lesson_id, $user_id );
-        $deleted_user_feedback = Sensei_Utils::delete_user_data( 'quiz_answers_feedback', $lesson_id, $user_id );
+        $deleted_answers = Sensei_Utils::delete_user_data('quiz_answers', $lesson_id, $user_id);
+        $deleted_grades = Sensei_Utils::delete_user_data('quiz_grades', $lesson_id, $user_id);
+        $deleted_user_feedback = Sensei_Utils::delete_user_data('quiz_answers_feedback', $lesson_id, $user_id);
 
         // Delete quiz answers, this auto deletes the corresponding meta data, such as the question/answer grade
-        Sensei_Utils::sensei_delete_quiz_answers( $quiz_id, $user_id );
+        Sensei_Utils::sensei_delete_quiz_answers($quiz_id, $user_id);
 
-        Sensei_Utils::update_lesson_status( $user_id , $lesson_id, 'in-progress', array( 'questions_asked' => '', 'grade' => '' ) );
+        Sensei_Utils::update_lesson_status($user_id, $lesson_id, 'in-progress', array('questions_asked' => '', 'grade' => ''));
 
         // Update course completion
-        Sensei_Utils::update_course_status( $user_id, $course_id );
+        Sensei_Utils::update_course_status($user_id, $course_id);
 
         // Run any action on quiz/lesson reset (previously this didn't occur on resetting a quiz, see resetting a lesson in sensei_complete_lesson()
-        do_action( 'sensei_user_lesson_reset', $user_id, $lesson_id );
-        Sensei()->frontend->messages = '<div class="sensei-message note">' . __( 'Quiz Reset Successfully.', 'woothemes-sensei' ) . '</div>';
+        do_action('sensei_user_lesson_reset', $user_id, $lesson_id);
+        Sensei()->frontend->messages = '<div class="sensei-message note">'.__('Quiz Reset Successfully.', 'woothemes-sensei').'</div>';
 
-        return ( $deleted_answers && $deleted_grades ) ;
+        return ($deleted_answers && $deleted_grades);
 
     } // end reset_user_lesson_data
 
@@ -520,20 +520,20 @@ 
       *
       * @return bool $answers_submitted
       */
-     public static function submit_answers_for_grading( $quiz_answers , $files = array() , $lesson_id , $user_id = 0 ){
+     public static function submit_answers_for_grading($quiz_answers, $files = array(), $lesson_id, $user_id = 0) {
 
          $answers_submitted = false;
 
          // get the user_id if none was passed in use the current logged in user
-         if( ! intval( $user_id ) > 0 ) {
+         if ( ! intval($user_id) > 0) {
              $user_id = get_current_user_id();
          }
 
          // make sure the parameters are valid before continuing
-         if( empty( $lesson_id ) || empty( $user_id )
-             || 'lesson' != get_post_type( $lesson_id )
-             ||!get_userdata( $user_id )
-             || !is_array( $quiz_answers ) ){
+         if (empty($lesson_id) || empty($user_id)
+             || 'lesson' != get_post_type($lesson_id)
+             ||! get_userdata($user_id)
+             || ! is_array($quiz_answers)) {
 
              return false;
 
@@ -543,38 +543,38 @@ 
          $grade = 0;
 
          // Get Quiz ID
-         $quiz_id = Sensei()->lesson->lesson_quizzes( $lesson_id );
+         $quiz_id = Sensei()->lesson->lesson_quizzes($lesson_id);
 
          // Get quiz grade type
-         $quiz_grade_type = get_post_meta( $quiz_id, '_quiz_grade_type', true );
+         $quiz_grade_type = get_post_meta($quiz_id, '_quiz_grade_type', true);
 
          // Get quiz pass setting
-         $pass_required = get_post_meta( $quiz_id, '_pass_required', true );
+         $pass_required = get_post_meta($quiz_id, '_pass_required', true);
 
          // Get the minimum percentage need to pass this quiz
-         $quiz_pass_percentage = abs( round( doubleval( get_post_meta( $quiz_id, '_quiz_passmark', true ) ), 2 ) );
+         $quiz_pass_percentage = abs(round(doubleval(get_post_meta($quiz_id, '_quiz_passmark', true)), 2));
 
          // Handle Quiz Questions asked
          // This is to ensure we save the questions that we've asked this user and that this can't be change unless
          // the quiz is reset by admin or user( user: only if the setting is enabled ).
          // get the questions asked when when the quiz questions were generated for the user : Sensei_Lesson::lesson_quiz_questions
-         $user_lesson_status = Sensei_Utils::user_lesson_status( $lesson_id, $user_id );
-         $questions_asked = get_comment_meta( $user_lesson_status->comment_ID, 'questions_asked', true );
-         if( empty( $questions_asked ) ){
+         $user_lesson_status = Sensei_Utils::user_lesson_status($lesson_id, $user_id);
+         $questions_asked = get_comment_meta($user_lesson_status->comment_ID, 'questions_asked', true);
+         if (empty($questions_asked)) {
 
-             $questions_asked = array_keys( $quiz_answers );
-             $questions_asked_string = implode( ',', $questions_asked );
+             $questions_asked = array_keys($quiz_answers);
+             $questions_asked_string = implode(',', $questions_asked);
 
              // Save questions that were asked in this quiz
-             update_comment_meta( $user_lesson_status->comment_ID, 'questions_asked', $questions_asked_string );
+             update_comment_meta($user_lesson_status->comment_ID, 'questions_asked', $questions_asked_string);
 
          }
 
          // Save Quiz Answers for grading, the save function also calls the sensei_start_lesson
-         self::save_user_answers( $quiz_answers , $files , $lesson_id , $user_id );
+         self::save_user_answers($quiz_answers, $files, $lesson_id, $user_id);
 
          // Grade quiz
-         $grade = Sensei_Grading::grade_quiz_auto( $quiz_id, $quiz_answers, 0 , $quiz_grade_type );
+         $grade = Sensei_Grading::grade_quiz_auto($quiz_id, $quiz_answers, 0, $quiz_grade_type);
 
          // Get Lesson Grading Setting
          $lesson_metadata = array();
@@ -584,13 +584,13 @@ 
          $answers_submitted = true;
 
          // if this condition is false the quiz should manually be graded by admin
-         if ('auto' == $quiz_grade_type && ! is_wp_error( $grade )  ) {
+         if ('auto' == $quiz_grade_type && ! is_wp_error($grade)) {
 
              // Quiz has been automatically Graded
-             if ( 'on' == $pass_required ) {
+             if ('on' == $pass_required) {
 
                  // Student has reached the pass mark and lesson is complete
-                 if ( $quiz_pass_percentage <= $grade ) {
+                 if ($quiz_pass_percentage <= $grade) {
 
                      $lesson_status = 'passed';
 
@@ -611,9 +611,9 @@ 
 
          } // end if ! is_wp_error( $grade ...
 
-         Sensei_Utils::update_lesson_status( $user_id, $lesson_id, $lesson_status, $lesson_metadata );
+         Sensei_Utils::update_lesson_status($user_id, $lesson_id, $lesson_status, $lesson_metadata);
 
-         if( 'passed' == $lesson_status || 'graded' == $lesson_status ){
+         if ('passed' == $lesson_status || 'graded' == $lesson_status) {
 
              /**
               * Lesson end action hook
@@ -623,7 +623,7 @@ 
               * @param int $user_id
               * @param int $lesson_id
               */
-             do_action( 'sensei_user_lesson_end', $user_id, $lesson_id );
+             do_action('sensei_user_lesson_end', $user_id, $lesson_id);
 
          }
 
@@ -639,7 +639,7 @@ 
           * @param string $quiz_pass_percentage
           * @param string $quiz_grade_type
           */
-         do_action( 'sensei_user_quiz_submitted', $user_id, $quiz_id, $grade, $quiz_pass_percentage, $quiz_grade_type );
+         do_action('sensei_user_quiz_submitted', $user_id, $quiz_id, $grade, $quiz_pass_percentage, $quiz_grade_type);
 
          return $answers_submitted;
 
@@ -659,38 +659,38 @@ 
       *
       * @return bool $answers_submitted
       */
-     public function get_user_question_answer( $lesson_id, $question_id, $user_id = 0 ){
+     public function get_user_question_answer($lesson_id, $question_id, $user_id = 0) {
 
          // parameter validation
-         if( empty( $lesson_id ) || empty( $question_id )
-             || ! ( intval( $lesson_id  ) > 0 )
-             || ! ( intval( $question_id  ) > 0 )
-             || 'lesson' != get_post_type( $lesson_id )
-             || 'question' != get_post_type( $question_id )) {
+         if (empty($lesson_id) || empty($question_id)
+             || ! (intval($lesson_id) > 0)
+             || ! (intval($question_id) > 0)
+             || 'lesson' != get_post_type($lesson_id)
+             || 'question' != get_post_type($question_id)) {
 
              return false;
          }
 
-         if( ! ( intval( $user_id ) > 0 )   ){
+         if ( ! (intval($user_id) > 0)) {
              $user_id = get_current_user_id();
          }
 
-         $users_answers = $this->get_user_answers( $lesson_id, $user_id );
+         $users_answers = $this->get_user_answers($lesson_id, $user_id);
 
-         if( !$users_answers || empty( $users_answers )
-         ||  ! is_array( $users_answers ) || ! isset( $users_answers[ $question_id ] ) ){
+         if ( ! $users_answers || empty($users_answers)
+         ||  ! is_array($users_answers) || ! isset($users_answers[$question_id])) {
 
              //Fallback for pre 1.7.4 data
-             $comment =  Sensei_Utils::sensei_check_for_activity( array( 'post_id' => $question_id, 'user_id' => $user_id, 'type' => 'sensei_user_answer' ), true );
+             $comment = Sensei_Utils::sensei_check_for_activity(array('post_id' => $question_id, 'user_id' => $user_id, 'type' => 'sensei_user_answer'), true);
 
-             if( ! isset( $comment->comment_content ) ){
+             if ( ! isset($comment->comment_content)) {
                  return false;
              }
 
-             return maybe_unserialize( base64_decode( $comment->comment_content ) );
+             return maybe_unserialize(base64_decode($comment->comment_content));
          }
 
-         return $users_answers[ $question_id ];
+         return $users_answers[$question_id];
 
      }// end get_user_question_answer
 
@@ -711,18 +711,18 @@ 
       *
       * @return bool
       */
-     public function set_user_grades( $quiz_grades, $lesson_id, $user_id = 0 ){
+     public function set_user_grades($quiz_grades, $lesson_id, $user_id = 0) {
 
          // get the user_id if none was passed in use the current logged in user
-         if( ! intval( $user_id ) > 0 ) {
+         if ( ! intval($user_id) > 0) {
              $user_id = get_current_user_id();
          }
 
          // make sure the parameters are valid before continuing
-         if( empty( $lesson_id ) || empty( $user_id )
-             || 'lesson' != get_post_type( $lesson_id )
-             ||!get_userdata( $user_id )
-             || !is_array( $quiz_grades ) ){
+         if (empty($lesson_id) || empty($user_id)
+             || 'lesson' != get_post_type($lesson_id)
+             ||! get_userdata($user_id)
+             || ! is_array($quiz_grades)) {
 
              return false;
 
@@ -731,15 +731,15 @@ 
          $success = false;
 
          // save that data for the user on the lesson comment meta
-         $comment_meta_id = Sensei_Utils::add_user_data( 'quiz_grades', $lesson_id, $quiz_grades, $user_id   );
+         $comment_meta_id = Sensei_Utils::add_user_data('quiz_grades', $lesson_id, $quiz_grades, $user_id);
 
          // were the grades save successfully ?
-         if( intval( $comment_meta_id ) > 0 ) {
+         if (intval($comment_meta_id) > 0) {
 
              $success = true;
              // save transient
-             $transient_key = 'quiz_grades_'. $user_id . '_' . $lesson_id;
-             set_transient( $transient_key, $quiz_grades, 10 * DAY_IN_SECONDS );
+             $transient_key = 'quiz_grades_'.$user_id.'_'.$lesson_id;
+             set_transient($transient_key, $quiz_grades, 10 * DAY_IN_SECONDS);
          }
 
          return $success;
@@ -758,36 +758,36 @@ 
       *
       * @return array $user_quiz_grades or false if none exists for this users
       */
-     public function get_user_grades( $lesson_id, $user_id = 0 ){
+     public function get_user_grades($lesson_id, $user_id = 0) {
 
          $user_grades = array();
 
          // get the user_id if none was passed in use the current logged in user
-         if( ! intval( $user_id ) > 0 ) {
+         if ( ! intval($user_id) > 0) {
              $user_id = get_current_user_id();
          }
 
-         if ( ! intval( $lesson_id ) > 0 || 'lesson' != get_post_type( $lesson_id )
-             || ! intval( $user_id )  > 0 || !get_userdata( $user_id )  ) {
+         if ( ! intval($lesson_id) > 0 || 'lesson' != get_post_type($lesson_id)
+             || ! intval($user_id) > 0 || ! get_userdata($user_id)) {
              return false;
          }
 
          // save some time and get the transient cached data
-         $transient_key = 'quiz_grades_'. $user_id . '_' . $lesson_id;
-         $user_grades = get_transient( $transient_key );
+         $transient_key = 'quiz_grades_'.$user_id.'_'.$lesson_id;
+         $user_grades = get_transient($transient_key);
 
          // get the data if nothing was stored in the transient
-         if( empty( $user_grades  ) || false != $user_grades ){
+         if (empty($user_grades) || false != $user_grades) {
 
-             $user_grades = Sensei_Utils::get_user_data( 'quiz_grades', $lesson_id, $user_id );
+             $user_grades = Sensei_Utils::get_user_data('quiz_grades', $lesson_id, $user_id);
 
              //set the transient with the new valid data for faster retrieval in future
-             set_transient( $transient_key,  $user_grades, 10 * DAY_IN_SECONDS );
+             set_transient($transient_key, $user_grades, 10 * DAY_IN_SECONDS);
 
          } // end if transient check
 
          // if there is no data for this user
-         if( ! is_array( $user_grades ) ){
+         if ( ! is_array($user_grades)) {
              return false;
          }
 
@@ -810,21 +810,21 @@ 
       *
       * @return bool $question_grade
       */
-     public function get_user_question_grade( $lesson_id, $question_id, $user_id = 0 ){
+     public function get_user_question_grade($lesson_id, $question_id, $user_id = 0) {
 
          // parameter validation
-         if( empty( $lesson_id ) || empty( $question_id )
-             || ! ( intval( $lesson_id  ) > 0 )
-             || ! ( intval( $question_id  ) > 0 )
-             || 'lesson' != get_post_type( $lesson_id )
-             || 'question' != get_post_type( $question_id )) {
+         if (empty($lesson_id) || empty($question_id)
+             || ! (intval($lesson_id) > 0)
+             || ! (intval($question_id) > 0)
+             || 'lesson' != get_post_type($lesson_id)
+             || 'question' != get_post_type($question_id)) {
 
              return false;
          }
 
-         $all_user_grades = self::get_user_grades( $lesson_id,$user_id );
+         $all_user_grades = self::get_user_grades($lesson_id, $user_id);
 
-         if( ! $all_user_grades || ! isset(  $all_user_grades[ $question_id ] ) ){
+         if ( ! $all_user_grades || ! isset($all_user_grades[$question_id])) {
 
              //fallback to data pre 1.7.4
              $args = array(
@@ -833,17 +833,17 @@ 
                  'type'    => 'sensei_user_answer'
              );
 
-             $question_activity = Sensei_Utils::sensei_check_for_activity( $args , true );
+             $question_activity = Sensei_Utils::sensei_check_for_activity($args, true);
              $fall_back_grade = false;
-             if( isset( $question_activity->comment_ID ) ){
-                 $fall_back_grade = get_comment_meta(  $question_activity->comment_ID , 'user_grade', true );
+             if (isset($question_activity->comment_ID)) {
+                 $fall_back_grade = get_comment_meta($question_activity->comment_ID, 'user_grade', true);
              }
 
              return $fall_back_grade;
 
          } // end if $all_user_grades...
 
-         return $all_user_grades[ $question_id ];
+         return $all_user_grades[$question_id];
 
      }// end get_user_question_grade
 
@@ -865,13 +865,13 @@ 
       *
       * @return false or int $feedback_saved
       */
-    public function save_user_answers_feedback( $answers_feedback, $lesson_id , $user_id = 0 ){
+    public function save_user_answers_feedback($answers_feedback, $lesson_id, $user_id = 0) {
 
         // make sure the parameters are valid before continuing
-        if( empty( $lesson_id ) || empty( $user_id )
-            || 'lesson' != get_post_type( $lesson_id )
-            ||!get_userdata( $user_id )
-            || !is_array( $answers_feedback ) ){
+        if (empty($lesson_id) || empty($user_id)
+            || 'lesson' != get_post_type($lesson_id)
+            ||! get_userdata($user_id)
+            || ! is_array($answers_feedback)) {
 
             return false;
 
@@ -879,25 +879,25 @@ 
 
 
         // check if the lesson is started before saving, if not start the lesson for the user
-        if ( !( 0 < intval( Sensei_Utils::user_started_lesson( $lesson_id, $user_id) ) ) ) {
-            Sensei_Utils::sensei_start_lesson( $lesson_id, $user_id );
+        if ( ! (0 < intval(Sensei_Utils::user_started_lesson($lesson_id, $user_id)))) {
+            Sensei_Utils::sensei_start_lesson($lesson_id, $user_id);
         }
 
         // encode the feedback
-        $encoded_answers_feedback =  array();
-        foreach( $answers_feedback as $question_id => $feedback ){
-            $encoded_answers_feedback[ $question_id ] = base64_encode( $feedback );
+        $encoded_answers_feedback = array();
+        foreach ($answers_feedback as $question_id => $feedback) {
+            $encoded_answers_feedback[$question_id] = base64_encode($feedback);
         }
 
         // save the user data
-        $feedback_saved = Sensei_Utils::add_user_data( 'quiz_answers_feedback', $lesson_id , $encoded_answers_feedback, $user_id ) ;
+        $feedback_saved = Sensei_Utils::add_user_data('quiz_answers_feedback', $lesson_id, $encoded_answers_feedback, $user_id);
 
         //Were the the question feedback save correctly?
-        if( intval( $feedback_saved ) > 0){
+        if (intval($feedback_saved) > 0) {
 
             // save transient to make retrieval faster in future
              $transient_key = 'sensei_answers_feedback_'.$user_id.'_'.$lesson_id;
-             set_transient( $transient_key, $encoded_answers_feedback, 10 * DAY_IN_SECONDS );
+             set_transient($transient_key, $encoded_answers_feedback, 10 * DAY_IN_SECONDS);
 
         }
 
@@ -922,42 +922,42 @@ 
       *  $type string $question_feedback
       * }
       */
-     public function get_user_answers_feedback( $lesson_id , $user_id = 0 ){
+     public function get_user_answers_feedback($lesson_id, $user_id = 0) {
 
          $answers_feedback = array();
 
          // get the user_id if none was passed in use the current logged in user
-         if( ! intval( $user_id ) > 0 ) {
+         if ( ! intval($user_id) > 0) {
              $user_id = get_current_user_id();
          }
 
-         if ( ! intval( $lesson_id ) > 0 || 'lesson' != get_post_type( $lesson_id )
-             || ! intval( $user_id )  > 0 || !get_userdata( $user_id )  ) {
+         if ( ! intval($lesson_id) > 0 || 'lesson' != get_post_type($lesson_id)
+             || ! intval($user_id) > 0 || ! get_userdata($user_id)) {
              return false;
          }
 
          // first check the transient to save a few split seconds
          $transient_key = 'sensei_answers_feedback_'.$user_id.'_'.$lesson_id;
-         $encoded_feedback = get_transient( $transient_key );
+         $encoded_feedback = get_transient($transient_key);
 
          // get the data if nothing was stored in the transient
-         if( empty( $encoded_feedback  ) || !$encoded_feedback ){
+         if (empty($encoded_feedback) || ! $encoded_feedback) {
 
-             $encoded_feedback = Sensei_Utils::get_user_data( 'quiz_answers_feedback', $lesson_id, $user_id );
+             $encoded_feedback = Sensei_Utils::get_user_data('quiz_answers_feedback', $lesson_id, $user_id);
 
              //set the transient with the new valid data for faster retrieval in future
-             set_transient( $transient_key,  $encoded_feedback, 10 * DAY_IN_SECONDS);
+             set_transient($transient_key, $encoded_feedback, 10 * DAY_IN_SECONDS);
 
          } // end if transient check
 
          // if there is no data for this user
-         if( ! is_array( $encoded_feedback ) ){
+         if ( ! is_array($encoded_feedback)) {
              return false;
          }
 
-         foreach( $encoded_feedback as $question_id => $feedback ){
+         foreach ($encoded_feedback as $question_id => $feedback) {
 
-             $answers_feedback[ $question_id ] = base64_decode( $feedback );
+             $answers_feedback[$question_id] = base64_decode($feedback);
 
          }
 
@@ -980,25 +980,25 @@ 
       *
       * @return string $feedback or bool if false
       */
-     public function get_user_question_feedback( $lesson_id, $question_id, $user_id = 0 ){
+     public function get_user_question_feedback($lesson_id, $question_id, $user_id = 0) {
 
          $feedback = false;
 
          // parameter validation
-         if( empty( $lesson_id ) || empty( $question_id )
-             || ! ( intval( $lesson_id  ) > 0 )
-             || ! ( intval( $question_id  ) > 0 )
-             || 'lesson' != get_post_type( $lesson_id )
-             || 'question' != get_post_type( $question_id )) {
+         if (empty($lesson_id) || empty($question_id)
+             || ! (intval($lesson_id) > 0)
+             || ! (intval($question_id) > 0)
+             || 'lesson' != get_post_type($lesson_id)
+             || 'question' != get_post_type($question_id)) {
 
              return false;
          }
 
          // get all the feedback for the user on the given lesson
-         $all_feedback = $this->get_user_answers_feedback( $lesson_id, $user_id );
+         $all_feedback = $this->get_user_answers_feedback($lesson_id, $user_id);
 
-         if( !$all_feedback || empty( $all_feedback )
-             || ! is_array( $all_feedback ) || ! isset( $all_feedback[ $question_id ] ) ){
+         if ( ! $all_feedback || empty($all_feedback)
+             || ! is_array($all_feedback) || ! isset($all_feedback[$question_id])) {
 
              //fallback to data pre 1.7.4
 
@@ -1008,23 +1008,23 @@ 
                  'user_id' => $user_id,
                  'type'    => 'sensei_user_answer'
              );
-             $question_activity = Sensei_Utils::sensei_check_for_activity( $args , true );
+             $question_activity = Sensei_Utils::sensei_check_for_activity($args, true);
 
              // set the default to false and return that if no old data is available.
-             if( isset( $question_activity->comment_ID ) ){
-                 $feedback = base64_decode( get_comment_meta(  $question_activity->comment_ID , 'answer_note', true ) );
+             if (isset($question_activity->comment_ID)) {
+                 $feedback = base64_decode(get_comment_meta($question_activity->comment_ID, 'answer_note', true));
              }
 
              // finally use the default question feedback
-             if( empty( $feedback ) ){
-                 $feedback = get_post_meta( $question_id, '_answer_feedback', true );
+             if (empty($feedback)) {
+                 $feedback = get_post_meta($question_id, '_answer_feedback', true);
              }
 
              return $feedback;
 
          }
 
-         return $all_feedback[ $question_id ];
+         return $all_feedback[$question_id];
 
      } // end get_user_question_feedback
 
@@ -1042,7 +1042,7 @@ 
 
      public function quiz_has_no_questions() {
 
-         if( ! is_singular( 'quiz' ) )  {
+         if ( ! is_singular('quiz')) {
              return;
          }
 
@@ -1050,11 +1050,11 @@ 
 
          $lesson_id = $this->get_lesson_id($post->ID);
 
-         $has_questions = get_post_meta( $lesson_id, '_quiz_has_questions', true );
+         $has_questions = get_post_meta($lesson_id, '_quiz_has_questions', true);
 
          $lesson = get_post($lesson_id);
 
-         if ( is_singular('quiz') && ! $has_questions && $_SERVER['REQUEST_URI'] != "/lesson/$lesson->post_name" ) {
+         if (is_singular('quiz') && ! $has_questions && $_SERVER['REQUEST_URI'] != "/lesson/$lesson->post_name") {
 
              wp_redirect(get_permalink($lesson->ID), 301);
              exit;
@@ -1068,7 +1068,7 @@ 
   *
   * @deprecated since 1.9.0
   */
- public static function deprecate_quiz_sensei_single_main_content_hook(){
+ public static function deprecate_quiz_sensei_single_main_content_hook() {
 
      sensei_do_deprecated_action('sensei_single_main_content', '1.9.0', 'sensei_single_quiz_content_inside_before or sensei_single_quiz_content_inside_after');
 
@@ -1078,7 +1078,7 @@ 
      *
      * @deprecated since 1.9.0
      */
-     public static function deprecate_quiz_sensei_quiz_single_title_hook(){
+     public static function deprecate_quiz_sensei_quiz_single_title_hook() {
 
          sensei_do_deprecated_action('sensei_quiz_single_title', '1.9.0', 'sensei_single_quiz_content_inside_before ');
 
@@ -1091,29 +1091,29 @@ 
       * @param int $id title post id
       * @return string $quiz_title
       */
-     public static function single_quiz_title( $title, $post_id ){
+     public static function single_quiz_title($title, $post_id) {
 
-         if( 'quiz' == get_post_type( $post_id ) ){
+         if ('quiz' == get_post_type($post_id)) {
 
              $title_with_no_quizzes = $title;
 
              // if the title has quiz, remove it: legacy titles have the word quiz stored.
-             if( 1 < substr_count( strtoupper( $title_with_no_quizzes ), 'QUIZ' ) ){
+             if (1 < substr_count(strtoupper($title_with_no_quizzes), 'QUIZ')) {
 
                  // remove all possible appearances of quiz
-                 $title_with_no_quizzes = str_replace( 'quiz', '', $title  );
-                 $title_with_no_quizzes = str_replace( 'Quiz', '', $title_with_no_quizzes  );
-                 $title_with_no_quizzes = str_replace( 'QUIZ', '', $title_with_no_quizzes  );
+                 $title_with_no_quizzes = str_replace('quiz', '', $title);
+                 $title_with_no_quizzes = str_replace('Quiz', '', $title_with_no_quizzes);
+                 $title_with_no_quizzes = str_replace('QUIZ', '', $title_with_no_quizzes);
 
              }
 
-             $title = $title_with_no_quizzes .  ' ' . __( 'Quiz', 'woothemes-sensei' );
+             $title = $title_with_no_quizzes.' '.__('Quiz', 'woothemes-sensei');
          }
 
          /**
           * hook document in class-woothemes-sensei-message.php
           */
-         return apply_filters( 'sensei_single_title', $title, get_post_type( ) );
+         return apply_filters('sensei_single_title', $title, get_post_type( ));
 
      }
 
@@ -1125,21 +1125,21 @@ 
       * @since 1.9.0
       *
       */
-     public static function start_quiz_questions_loop(){
+     public static function start_quiz_questions_loop() {
 
          global $sensei_question_loop;
 
          //intialize the questions loop object
          $sensei_question_loop['current'] = -1;
-         $sensei_question_loop['total']   =  0;
+         $sensei_question_loop['total']   = 0;
          $sensei_question_loop['questions'] = array();
 
 
-         $questions = Sensei()->lesson->lesson_quiz_questions( get_the_ID() );
+         $questions = Sensei()->lesson->lesson_quiz_questions(get_the_ID());
 
-         if( count( $questions  ) > 0  ){
+         if (count($questions) > 0) {
 
-             $sensei_question_loop['total']   =  count( $questions );
+             $sensei_question_loop['total']   = count($questions);
              $sensei_question_loop['questions'] = $questions;
              $sensei_question_loop['quiz_id'] = get_the_ID();
 
@@ -1155,9 +1155,9 @@ 
       * @since 1.9.0
       *
       */
-     public static function stop_quiz_questions_loop(){
+     public static function stop_quiz_questions_loop() {
 
-         $sensei_question_loop['total']   =  0;
+         $sensei_question_loop['total']   = 0;
          $sensei_question_loop['questions'] = array();
          $sensei_question_loop['quiz_id'] = '';
 
@@ -1168,7 +1168,7 @@ 
       *
       * @since 1.9.0
       */
-     public static function the_title(){
+     public static function the_title() {
          ?>
          <header>
 
@@ -1178,7 +1178,7 @@ 
                  /**
                   * Filter documented in class-sensei-messages.php the_title
                   */
-                 echo apply_filters( 'sensei_single_title', get_the_title( get_post() ), get_post_type( get_the_ID() ) );
+                 echo apply_filters('sensei_single_title', get_the_title(get_post()), get_post_type(get_the_ID()));
                  ?>
 
              </h1>
@@ -1193,11 +1193,11 @@ 
       *
       * @param $quiz_id
       */
-    public static function  the_user_status_message( $quiz_id ){
+    public static function  the_user_status_message($quiz_id) {
 
-        $lesson_id =  Sensei()->quiz->get_lesson_id( $quiz_id );
-        $status = Sensei_Utils::sensei_user_quiz_status_message( $lesson_id , get_current_user_id() );
-        echo '<div class="sensei-message ' . $status['box_class'] . '">' . $status['message'] . '</div>';
+        $lesson_id = Sensei()->quiz->get_lesson_id($quiz_id);
+        $status = Sensei_Utils::sensei_user_quiz_status_message($lesson_id, get_current_user_id());
+        echo '<div class="sensei-message '.$status['box_class'].'">'.$status['message'].'</div>';
 
     }
 
@@ -1208,9 +1208,9 @@ 
       * @since 1.9.0
       * @deprecated
       */
-     public static function deprecate_sensei_quiz_action_buttons_hook(){
+     public static function deprecate_sensei_quiz_action_buttons_hook() {
 
-         sensei_do_deprecated_action( 'sensei_quiz_action_buttons', '1.9.0', 'sensei_single_quiz_questions_after');
+         sensei_do_deprecated_action('sensei_quiz_action_buttons', '1.9.0', 'sensei_single_quiz_questions_after');
 
      }
 
@@ -1224,50 +1224,50 @@ 
 
          global $post, $current_user;
 
-         $lesson_id = (int) get_post_meta( $post->ID, '_quiz_lesson', true );
-         $lesson_course_id = (int) get_post_meta( $lesson_id, '_lesson_course', true );
-         $lesson_prerequisite = (int) get_post_meta( $lesson_id, '_lesson_prerequisite', true );
+         $lesson_id = (int) get_post_meta($post->ID, '_quiz_lesson', true);
+         $lesson_course_id = (int) get_post_meta($lesson_id, '_lesson_course', true);
+         $lesson_prerequisite = (int) get_post_meta($lesson_id, '_lesson_prerequisite', true);
          $show_actions = true;
-         $user_lesson_status = Sensei_Utils::user_lesson_status( $lesson_id, $current_user->ID );
+         $user_lesson_status = Sensei_Utils::user_lesson_status($lesson_id, $current_user->ID);
 
          //setup quiz grade
          $user_quiz_grade = '';
-         if( ! empty( $user_lesson_status  ) ){
-             $user_quiz_grade = get_comment_meta( $user_lesson_status->comment_ID, 'grade', true );
+         if ( ! empty($user_lesson_status)) {
+             $user_quiz_grade = get_comment_meta($user_lesson_status->comment_ID, 'grade', true);
          }
 
 
-         if( intval( $lesson_prerequisite ) > 0 ) {
+         if (intval($lesson_prerequisite) > 0) {
 
              // If the user hasn't completed the prereq then hide the current actions
-             $show_actions = Sensei_Utils::user_completed_lesson( $lesson_prerequisite, $current_user->ID );
+             $show_actions = Sensei_Utils::user_completed_lesson($lesson_prerequisite, $current_user->ID);
 
          }
-         if ( $show_actions && is_user_logged_in() && Sensei_Utils::user_started_course( $lesson_course_id, $current_user->ID ) ) {
+         if ($show_actions && is_user_logged_in() && Sensei_Utils::user_started_course($lesson_course_id, $current_user->ID)) {
 
              // Get Reset Settings
-             $reset_quiz_allowed = get_post_meta( $post->ID, '_enable_quiz_reset', true ); ?>
+             $reset_quiz_allowed = get_post_meta($post->ID, '_enable_quiz_reset', true); ?>
 
              <!-- Action Nonce's -->
              <input type="hidden" name="woothemes_sensei_complete_quiz_nonce" id="woothemes_sensei_complete_quiz_nonce"
-                    value="<?php echo esc_attr(  wp_create_nonce( 'woothemes_sensei_complete_quiz_nonce' ) ); ?>" />
+                    value="<?php echo esc_attr(wp_create_nonce('woothemes_sensei_complete_quiz_nonce')); ?>" />
              <input type="hidden" name="woothemes_sensei_reset_quiz_nonce" id="woothemes_sensei_reset_quiz_nonce"
-                    value="<?php echo esc_attr(  wp_create_nonce( 'woothemes_sensei_reset_quiz_nonce' ) ); ?>" />
+                    value="<?php echo esc_attr(wp_create_nonce('woothemes_sensei_reset_quiz_nonce')); ?>" />
              <input type="hidden" name="woothemes_sensei_save_quiz_nonce" id="woothemes_sensei_save_quiz_nonce"
-                    value="<?php echo esc_attr(  wp_create_nonce( 'woothemes_sensei_save_quiz_nonce' ) ); ?>" />
+                    value="<?php echo esc_attr(wp_create_nonce('woothemes_sensei_save_quiz_nonce')); ?>" />
              <!--#end Action Nonce's -->
 
-             <?php if ( '' == $user_quiz_grade) { ?>
+             <?php if ('' == $user_quiz_grade) { ?>
 
-                 <span><input type="submit" name="quiz_complete" class="quiz-submit complete" value="<?php  _e( 'Complete Quiz', 'woothemes-sensei' ); ?>"/></span>
+                 <span><input type="submit" name="quiz_complete" class="quiz-submit complete" value="<?php  _e('Complete Quiz', 'woothemes-sensei'); ?>"/></span>
 
-                 <span><input type="submit" name="quiz_save" class="quiz-submit save" value="<?php _e( 'Save Quiz', 'woothemes-sensei' ); ?>"/></span>
+                 <span><input type="submit" name="quiz_save" class="quiz-submit save" value="<?php _e('Save Quiz', 'woothemes-sensei'); ?>"/></span>
 
              <?php } // End If Statement ?>
 
-             <?php if ( isset( $reset_quiz_allowed ) && $reset_quiz_allowed ) { ?>
+             <?php if (isset($reset_quiz_allowed) && $reset_quiz_allowed) { ?>
 
-                 <span><input type="submit" name="quiz_reset" class="quiz-submit reset" value="<?php _e( 'Reset Quiz', 'woothemes-sensei' ); ?>"/></span>
+                 <span><input type="submit" name="quiz_reset" class="quiz-submit reset" value="<?php _e('Reset Quiz', 'woothemes-sensei'); ?>"/></span>
 
              <?php } ?>
 
@@ -1285,13 +1285,13 @@ 
       *
       * @return double $user_quiz_grade
       */
-     public static function get_user_quiz_grade( $lesson_id, $user_id ){
+     public static function get_user_quiz_grade($lesson_id, $user_id) {
 
          // get the quiz grade
-         $user_lesson_status = Sensei_Utils::user_lesson_status( $lesson_id, $user_id );
+         $user_lesson_status = Sensei_Utils::user_lesson_status($lesson_id, $user_id);
          $user_quiz_grade = 0;
-         if( isset( $user_lesson_status->comment_ID ) ) {
-             $user_quiz_grade = get_comment_meta( $user_lesson_status->comment_ID, 'grade', true );
+         if (isset($user_lesson_status->comment_ID)) {
+             $user_quiz_grade = get_comment_meta($user_lesson_status->comment_ID, 'grade', true);
          }
 
          return (double) $user_quiz_grade;
@@ -1309,13 +1309,13 @@ 
       * @param int $lesson_id
       * @return bool
       */
-     public static function is_reset_allowed( $lesson_id ){
+     public static function is_reset_allowed($lesson_id) {
 
-         $quiz_id = Sensei()->lesson->lesson_quizzes( $lesson_id );
+         $quiz_id = Sensei()->lesson->lesson_quizzes($lesson_id);
 
-         $reset_allowed = get_post_meta( $quiz_id, '_enable_quiz_reset', true );
+         $reset_allowed = get_post_meta($quiz_id, '_enable_quiz_reset', true);
          //backwards compatibility
-         if( 'on' == $reset_allowed ) {
+         if ('on' == $reset_allowed) {
              $reset_allowed = 1;
          }
 
@@ -1332,4 +1332,4 @@ 
  * @ignore only for backward compatibility
  * @since 1.9.0
  */
-class WooThemes_Sensei_Quiz extends Sensei_Quiz{}
+class WooThemes_Sensei_Quiz extends Sensei_Quiz {}

includes/class-sensei-admin.php

Spacing +416 added lines, -416 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
+if ( ! defined('ABSPATH')) exit; // Exit if accessed directly
 
 /**
  * Handles all admin views, assets and navigation.
@@ -14,51 +14,51 @@ 
 	 * Constructor.
 	 * @since  1.0.0
 	 */
-	public function __construct () {
+	public function __construct() {
 
         //register admin styles
-		add_action( 'admin_enqueue_scripts', array( $this, 'admin_styles_global' ) );
+		add_action('admin_enqueue_scripts', array($this, 'admin_styles_global'));
 
         //register admin scripts
-        add_action( 'admin_enqueue_scripts', array( $this, 'register_scripts' ) );
+        add_action('admin_enqueue_scripts', array($this, 'register_scripts'));
 
-		add_action( 'admin_print_styles', array( $this, 'admin_notices_styles' ) );
-		add_action( 'settings_before_form', array( $this, 'install_pages_output' ) );
-		add_action( 'admin_menu', array( $this, 'admin_menu' ), 10 );
-		add_action( 'menu_order', array( $this, 'admin_menu_order' ) );
-		add_action( 'admin_head', array( $this, 'admin_menu_highlight' ) );
-		add_action( 'admin_init', array( $this, 'page_redirect' ) );
-		add_action( 'admin_init', array( $this, 'sensei_add_custom_menu_items' ) );
-        add_action( 'admin_init', array( __CLASS__, 'install_pages' ));
+		add_action('admin_print_styles', array($this, 'admin_notices_styles'));
+		add_action('settings_before_form', array($this, 'install_pages_output'));
+		add_action('admin_menu', array($this, 'admin_menu'), 10);
+		add_action('menu_order', array($this, 'admin_menu_order'));
+		add_action('admin_head', array($this, 'admin_menu_highlight'));
+		add_action('admin_init', array($this, 'page_redirect'));
+		add_action('admin_init', array($this, 'sensei_add_custom_menu_items'));
+        add_action('admin_init', array(__CLASS__, 'install_pages'));
 
 		// Duplicate lesson & courses
-		add_filter( 'post_row_actions', array( $this, 'duplicate_action_link' ), 10, 2 );
-		add_action( 'admin_action_duplicate_lesson', array( $this, 'duplicate_lesson_action' ) );
-		add_action( 'admin_action_duplicate_course', array( $this, 'duplicate_course_action' ) );
-		add_action( 'admin_action_duplicate_course_with_lessons', array( $this, 'duplicate_course_with_lessons_action' ) );
+		add_filter('post_row_actions', array($this, 'duplicate_action_link'), 10, 2);
+		add_action('admin_action_duplicate_lesson', array($this, 'duplicate_lesson_action'));
+		add_action('admin_action_duplicate_course', array($this, 'duplicate_course_action'));
+		add_action('admin_action_duplicate_course_with_lessons', array($this, 'duplicate_course_with_lessons_action'));
 
 		// Handle lessons list table filtering
-		add_action( 'restrict_manage_posts', array( $this, 'lesson_filter_options' ) );
-		add_filter( 'request', array( $this, 'lesson_filter_actions' ) );
+		add_action('restrict_manage_posts', array($this, 'lesson_filter_options'));
+		add_filter('request', array($this, 'lesson_filter_actions'));
 
 		// Add Sensei items to 'at a glance' widget
-		add_filter( 'dashboard_glance_items', array( $this, 'glance_items' ), 10, 1 );
+		add_filter('dashboard_glance_items', array($this, 'glance_items'), 10, 1);
 
 		// Handle course and lesson deletions
-		add_action( 'trash_course', array( $this, 'delete_content' ), 10, 2 );
-		add_action( 'trash_lesson', array( $this, 'delete_content' ), 10, 2 );
+		add_action('trash_course', array($this, 'delete_content'), 10, 2);
+		add_action('trash_lesson', array($this, 'delete_content'), 10, 2);
 
 		// Delete user activity when user is deleted
-		add_action( 'deleted_user', array( $this, 'delete_user_activity' ), 10, 1 );
+		add_action('deleted_user', array($this, 'delete_user_activity'), 10, 1);
 
 		// Add notices to WP dashboard
-		add_action( 'admin_notices', array( $this, 'theme_compatibility_notices' ) );
+		add_action('admin_notices', array($this, 'theme_compatibility_notices'));
 
 		// Reset theme notices when switching themes
-		add_action( 'switch_theme', array( $this, 'reset_theme_check_notices' ) );
+		add_action('switch_theme', array($this, 'reset_theme_check_notices'));
 
 		// Allow Teacher access the admin area
-		add_filter( 'woocommerce_prevent_admin_access', array( $this, 'admin_access' ) );
+		add_filter('woocommerce_prevent_admin_access', array($this, 'admin_access'));
 
 	} // End __construct()
 
@@ -70,21 +70,21 @@ 
 	public function admin_menu() {
 		global $menu;
 		$menu_cap = '';
-		if( current_user_can( 'manage_sensei' ) ) {
+		if (current_user_can('manage_sensei')) {
 			$menu_cap = 'manage_sensei';
 		} else {
-			if( current_user_can( 'manage_sensei_grades' ) ) {
+			if (current_user_can('manage_sensei_grades')) {
 				$menu_cap = 'manage_sensei_grades';
 			}
 		}
 
-		if( $menu_cap ) {
-			$menu[] = array( '', 'read', 'separator-sensei', '', 'wp-menu-separator sensei' );
-            add_menu_page( 'Sensei', 'Sensei', $menu_cap, 'sensei' , array( Sensei()->analysis, 'analysis_page' ) , '', '50' );
+		if ($menu_cap) {
+			$menu[] = array('', 'read', 'separator-sensei', '', 'wp-menu-separator sensei');
+            add_menu_page('Sensei', 'Sensei', $menu_cap, 'sensei', array(Sensei()->analysis, 'analysis_page'), '', '50');
 		}
 
-		add_submenu_page( 'edit.php?post_type=course', __( 'Order Courses', 'woothemes-sensei' ), __( 'Order Courses', 'woothemes-sensei' ), 'manage_sensei', 'course-order', array( $this, 'course_order_screen' ) );
-		add_submenu_page( 'edit.php?post_type=lesson', __( 'Order Lessons', 'woothemes-sensei' ), __( 'Order Lessons', 'woothemes-sensei' ), 'edit_lessons', 'lesson-order', array( $this, 'lesson_order_screen' ) );
+		add_submenu_page('edit.php?post_type=course', __('Order Courses', 'woothemes-sensei'), __('Order Courses', 'woothemes-sensei'), 'manage_sensei', 'course-order', array($this, 'course_order_screen'));
+		add_submenu_page('edit.php?post_type=lesson', __('Order Lessons', 'woothemes-sensei'), __('Order Lessons', 'woothemes-sensei'), 'edit_lessons', 'lesson-order', array($this, 'lesson_order_screen'));
 	}
 
 	/**
@@ -93,22 +93,22 @@ 
 	 * @param  array $menu_order Existing menu order
 	 * @return array 			 Modified menu order for Sensei
 	 */
-	public function admin_menu_order( $menu_order ) {
+	public function admin_menu_order($menu_order) {
 
 		// Initialize our custom order array
 		$sensei_menu_order = array();
 
 		// Get the index of our custom separator
-		$sensei_separator = array_search( 'separator-sensei', $menu_order );
+		$sensei_separator = array_search('separator-sensei', $menu_order);
 
 		// Loop through menu order and do some rearranging
-		foreach ( $menu_order as $index => $item ) :
+		foreach ($menu_order as $index => $item) :
 
-			if ( ( ( 'sensei' ) == $item ) ) :
+			if ((('sensei') == $item)) :
 				$sensei_menu_order[] = 'separator-sensei';
 				$sensei_menu_order[] = $item;
-				unset( $menu_order[$sensei_separator] );
-			elseif ( !in_array( $item, array( 'separator-sensei' ) ) ) :
+				unset($menu_order[$sensei_separator]);
+			elseif ( ! in_array($item, array('separator-sensei'))) :
 				$sensei_menu_order[] = $item;
 			endif;
 
@@ -128,28 +128,28 @@ 
 
 		$screen = get_current_screen();
 
-        if( empty( $screen ) ){
+        if (empty($screen)) {
             return;
         }
 
-		if ( $screen->base == 'post' && $post_type == 'course' ) {
+		if ($screen->base == 'post' && $post_type == 'course') {
 
-			$parent_file  = 'edit.php?post_type=course';
+			$parent_file = 'edit.php?post_type=course';
 
-		} elseif ( $screen->base == 'edit-tags' && $taxonomy == 'course-category' ) {
+		} elseif ($screen->base == 'edit-tags' && $taxonomy == 'course-category') {
 
 			$submenu_file = 'edit-tags.php?taxonomy=course-category&amp;post_type=course';
 			$parent_file  = 'edit.php?post_type=course';
 
-        } elseif ( $screen->base == 'edit-tags' && $taxonomy == 'module' ) {
+        } elseif ($screen->base == 'edit-tags' && $taxonomy == 'module') {
 
             $submenu_file = 'edit-tags.php?taxonomy=module';
             $parent_file  = 'edit.php?post_type=course';
 
-		} elseif ( in_array( $screen->id, array( 'sensei_message', 'edit-sensei_message' ) ) ) {
+		} elseif (in_array($screen->id, array('sensei_message', 'edit-sensei_message'))) {
 
             $submenu_file = 'edit.php?post_type=sensei_message';
-			$parent_file  = 'sensei';
+			$parent_file = 'sensei';
 
 		}
 	}
@@ -160,8 +160,8 @@ 
 	 * @return void
 	 */
 	public function page_redirect() {
-		if( isset( $_GET['page'] ) && $_GET['page'] == 'sensei' ) {
-			wp_safe_redirect( 'admin.php?page=sensei_analysis' );
+		if (isset($_GET['page']) && $_GET['page'] == 'sensei') {
+			wp_safe_redirect('admin.php?page=sensei_analysis');
 			exit;
 		}
 	}
@@ -176,11 +176,11 @@ 
 	 */
 	function install_pages_output() {
 
-        if( isset($_GET['sensei_install_complete']) && 'true' == $_GET['sensei_install_complete']) {
+        if (isset($_GET['sensei_install_complete']) && 'true' == $_GET['sensei_install_complete']) {
 
             ?>
             <div id="message" class="updated sensei-message sensei-connect">
-                <p><?php _e( '<strong>Congratulations!</strong> &#8211; Sensei has been installed and set up.', 'woothemes-sensei' ); ?></p>
+                <p><?php _e('<strong>Congratulations!</strong> &#8211; Sensei has been installed and set up.', 'woothemes-sensei'); ?></p>
                 <p><a href="https://twitter.com/share" class="twitter-share-button" data-url="http://www.woothemes.com/sensei/" data-text="A premium Learning Management plugin for #WordPress that helps you create courses. Beautifully." data-via="WooThemes" data-size="large" data-hashtags="Sensei">Tweet</a>
                 <script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0];if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src="//platform.twitter.com/widgets.js";fjs.parentNode.insertBefore(js,fjs);}}(document,"script","twitter-wjs");</script></p>
             </div>
@@ -202,11 +202,11 @@ 
 	 * @param int $post_parent (default: 0)
 	 * @return integer $page_id
 	 */
-	function create_page( $slug, $page_title = '', $page_content = '', $post_parent = 0 ) {
+	function create_page($slug, $page_title = '', $page_content = '', $post_parent = 0) {
 		global $wpdb;
 
-        $page_id = $wpdb->get_var( $wpdb->prepare( "SELECT ID FROM " . $wpdb->posts . " WHERE post_name = %s LIMIT 1;", $slug ) );
-		if ( $page_id ) :
+        $page_id = $wpdb->get_var($wpdb->prepare("SELECT ID FROM ".$wpdb->posts." WHERE post_name = %s LIMIT 1;", $slug));
+		if ($page_id) :
 			return $page_id;
 		endif;
 
@@ -221,7 +221,7 @@ 
 	        'comment_status' 	=> 'closed'
 	    );
 
-	    $page_id = wp_insert_post( $page_data );
+	    $page_id = wp_insert_post($page_data);
 
 	    return $page_id;
 
@@ -237,12 +237,12 @@ 
 	function create_pages() {
 
 		// Courses page
-	    $new_course_page_id = $this->create_page( esc_sql( _x('courses-overview', 'page_slug', 'woothemes-sensei') ),  __('Courses', 'woothemes-sensei'), '' );
-        Sensei()->settings->set( 'course_page', $new_course_page_id );
+	    $new_course_page_id = $this->create_page(esc_sql(_x('courses-overview', 'page_slug', 'woothemes-sensei')), __('Courses', 'woothemes-sensei'), '');
+        Sensei()->settings->set('course_page', $new_course_page_id);
 
         // User Dashboard page
-	    $new_my_course_page_id = $this->create_page( esc_sql( _x('my-courses', 'page_slug', 'woothemes-sensei') ), __('My Courses', 'woothemes-sensei'), '[sensei_user_courses]' );
-        Sensei()->settings->set( 'my_course_page',$new_my_course_page_id  );
+	    $new_my_course_page_id = $this->create_page(esc_sql(_x('my-courses', 'page_slug', 'woothemes-sensei')), __('My Courses', 'woothemes-sensei'), '[sensei_user_courses]');
+        Sensei()->settings->set('my_course_page', $new_my_course_page_id);
 
 	} // End create_pages()
 
@@ -252,25 +252,25 @@ 
 	 * @since 1.0.0
 	 * @return void
 	 */
-	public function admin_styles_global ( $hook ) {
+	public function admin_styles_global($hook) {
 		global $post_type;
 
-		$allowed_post_types = apply_filters( 'sensei_scripts_allowed_post_types', array( 'lesson', 'course', 'question' ) );
-		$allowed_post_type_pages = apply_filters( 'sensei_scripts_allowed_post_type_pages', array( 'edit.php', 'post-new.php', 'post.php', 'edit-tags.php' ) );
-		$allowed_pages = apply_filters( 'sensei_scripts_allowed_pages', array( 'sensei_grading', 'sensei_analysis', 'sensei_learners', 'sensei_updates', 'woothemes-sensei-settings', 'lesson-order', 'course-order' ) );
+		$allowed_post_types = apply_filters('sensei_scripts_allowed_post_types', array('lesson', 'course', 'question'));
+		$allowed_post_type_pages = apply_filters('sensei_scripts_allowed_post_type_pages', array('edit.php', 'post-new.php', 'post.php', 'edit-tags.php'));
+		$allowed_pages = apply_filters('sensei_scripts_allowed_pages', array('sensei_grading', 'sensei_analysis', 'sensei_learners', 'sensei_updates', 'woothemes-sensei-settings', 'lesson-order', 'course-order'));
 
 		// Global Styles for icons and menu items
-		wp_register_style( 'woothemes-sensei-global', Sensei()->plugin_url . 'assets/css/global.css', '', Sensei()->version, 'screen' );
-		wp_enqueue_style( 'woothemes-sensei-global' );
+		wp_register_style('woothemes-sensei-global', Sensei()->plugin_url.'assets/css/global.css', '', Sensei()->version, 'screen');
+		wp_enqueue_style('woothemes-sensei-global');
 
         // Select 2 styles
-        wp_enqueue_style( 'sensei-core-select2', Sensei()->plugin_url . 'assets/css/select2/select2.css', '', Sensei()->version, 'screen' );
+        wp_enqueue_style('sensei-core-select2', Sensei()->plugin_url.'assets/css/select2/select2.css', '', Sensei()->version, 'screen');
 
 		// Test for Write Panel Pages
-		if ( ( ( isset( $post_type ) && in_array( $post_type, $allowed_post_types ) ) && ( isset( $hook ) && in_array( $hook, $allowed_post_type_pages ) ) ) || ( isset( $_GET['page'] ) && in_array( $_GET['page'], $allowed_pages ) ) ) {
+		if (((isset($post_type) && in_array($post_type, $allowed_post_types)) && (isset($hook) && in_array($hook, $allowed_post_type_pages))) || (isset($_GET['page']) && in_array($_GET['page'], $allowed_pages))) {
 
-			wp_register_style( 'woothemes-sensei-admin-custom', Sensei()->plugin_url . 'assets/css/admin-custom.css', '', Sensei()->version, 'screen' );
-			wp_enqueue_style( 'woothemes-sensei-admin-custom' );
+			wp_register_style('woothemes-sensei-admin-custom', Sensei()->plugin_url.'assets/css/admin-custom.css', '', Sensei()->version, 'screen');
+			wp_enqueue_style('woothemes-sensei-admin-custom');
 
 		}
 
@@ -285,20 +285,20 @@ 
      * @since 1.8.2
      * @access public
      */
-    public function register_scripts( $hook ){
+    public function register_scripts($hook) {
 
         $screen = get_current_screen();
 
         // Allow developers to load non-minified versions of scripts
-        $suffix = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
+        $suffix = defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ? '' : '.min';
 
         // Select2 script used to enhance all select boxes
-        wp_register_script( 'sensei-core-select2', Sensei()->plugin_url . '/assets/js/select2/select2' . $suffix . '.js', array( 'jquery' ), Sensei()->version );
+        wp_register_script('sensei-core-select2', Sensei()->plugin_url.'/assets/js/select2/select2'.$suffix.'.js', array('jquery'), Sensei()->version);
 
         // load edit module scripts
-        if( 'edit-module' ==  $screen->id ){
+        if ('edit-module' == $screen->id) {
 
-            wp_enqueue_script( 'sensei-chosen-ajax', Sensei()->plugin_url . 'assets/chosen/ajax-chosen.jquery.min.js', array( 'jquery', 'sensei-chosen' ), Sensei()->version, true );
+            wp_enqueue_script('sensei-chosen-ajax', Sensei()->plugin_url.'assets/chosen/ajax-chosen.jquery.min.js', array('jquery', 'sensei-chosen'), Sensei()->version, true);
 
         }
 
@@ -316,19 +316,19 @@ 
 	    <div id="message" class="updated sensei-message sensei-connect">
 
             <p>
-                <?php _e( '<strong>Welcome to Sensei</strong> &#8211; You\'re almost ready to create some courses!', 'woothemes-sensei' ); ?>
+                <?php _e('<strong>Welcome to Sensei</strong> &#8211; You\'re almost ready to create some courses!', 'woothemes-sensei'); ?>
             </p>
 
             <p class="submit">
 
-                <a href="<?php echo esc_url( add_query_arg('install_sensei_pages', 'true', admin_url('admin.php?page=woothemes-sensei-settings') ) ); ?>"
+                <a href="<?php echo esc_url(add_query_arg('install_sensei_pages', 'true', admin_url('admin.php?page=woothemes-sensei-settings'))); ?>"
                    class="button-primary">
 
-                    <?php _e( 'Install Sensei Pages', 'woothemes-sensei' ); ?>
+                    <?php _e('Install Sensei Pages', 'woothemes-sensei'); ?>
 
                 </a>
 
-                <a class="skip button" href="<?php echo esc_url( add_query_arg( 'skip_install_sensei_pages', 'true', admin_url('admin.php?page=woothemes-sensei-settings' ) ) ); ?>">
+                <a class="skip button" href="<?php echo esc_url(add_query_arg('skip_install_sensei_pages', 'true', admin_url('admin.php?page=woothemes-sensei-settings'))); ?>">
 
                     <?php _e('Skip setup', 'woothemes-sensei'); ?>
 
@@ -351,11 +351,11 @@ 
 	    <div id="message" class="updated sensei-message sensei-connect">
 
 	    	<p>
-                <?php _e( '<strong>Sensei has been installed</strong> &#8211; You\'re ready to start creating courses!', 'woothemes-sensei' ); ?>
+                <?php _e('<strong>Sensei has been installed</strong> &#8211; You\'re ready to start creating courses!', 'woothemes-sensei'); ?>
             </p>
 
 			<p class="submit">
-                <a href="<?php echo admin_url('admin.php?page=woothemes-sensei-settings'); ?>" class="button-primary"><?php _e( 'Settings', 'woothemes-sensei' ); ?></a> <a class="docs button" href="http://www.woothemes.com/sensei-docs/">
+                <a href="<?php echo admin_url('admin.php?page=woothemes-sensei-settings'); ?>" class="button-primary"><?php _e('Settings', 'woothemes-sensei'); ?></a> <a class="docs button" href="http://www.woothemes.com/sensei-docs/">
                     <?php _e('Documentation', 'woothemes-sensei'); ?>
                 </a>
             </p>
@@ -388,11 +388,11 @@ 
 	public function language_pack_install_notice() {
 		?>
 		<div id="message" class="updated sensei-message sensei-connect">
-				<p><?php _e( '<strong>Sensei in your language</strong> &#8211; There is a translation available for your language.', 'woothemes-sensei' ); ?><p>
+				<p><?php _e('<strong>Sensei in your language</strong> &#8211; There is a translation available for your language.', 'woothemes-sensei'); ?><p>
 
 				<p class="submit">
-					<a href="<?php echo esc_url( Sensei_Language_Pack_Manager::get_install_uri() ); ?>" class="button-primary"><?php _e( 'Install', 'woothemes-sensei' ); ?></a>
-					<a href="<?php echo esc_url( Sensei_Language_Pack_Manager::get_dismiss_uri() ) ?>" class="docs button"><?php _e( 'Hide this notice', 'woothemes-sensei' ); ?></a>
+					<a href="<?php echo esc_url(Sensei_Language_Pack_Manager::get_install_uri()); ?>" class="button-primary"><?php _e('Install', 'woothemes-sensei'); ?></a>
+					<a href="<?php echo esc_url(Sensei_Language_Pack_Manager::get_dismiss_uri()) ?>" class="docs button"><?php _e('Hide this notice', 'woothemes-sensei'); ?></a>
 				</p>
 		</div>
 		<?php
@@ -408,20 +408,20 @@ 
 	function admin_notices_styles() {
 
 		// Installed notices
-	    if ( 1 == get_option( 'sensei_installed' ) ) {
+	    if (1 == get_option('sensei_installed')) {
 
-	    	wp_enqueue_style( 'sensei-activation', plugins_url(  '/assets/css/activation.css', dirname( __FILE__ ) ), '', Sensei()->version );
+	    	wp_enqueue_style('sensei-activation', plugins_url('/assets/css/activation.css', dirname(__FILE__)), '', Sensei()->version);
 
-	    	if (get_option('skip_install_sensei_pages')!=1 && Sensei()->get_page_id('course')<1 && !isset($_GET['install_sensei_pages']) && !isset($_GET['skip_install_sensei_pages'])) {
-	    		add_action( 'admin_notices', array( $this, 'admin_install_notice' ) );
-	    	} elseif ( !isset($_GET['page']) || $_GET['page']!='woothemes-sensei-settings' ) {
-	    		add_action( 'admin_notices', array( $this, 'admin_installed_notice' ) );
+	    	if (get_option('skip_install_sensei_pages') != 1 && Sensei()->get_page_id('course') < 1 && ! isset($_GET['install_sensei_pages']) && ! isset($_GET['skip_install_sensei_pages'])) {
+	    		add_action('admin_notices', array($this, 'admin_install_notice'));
+	    	} elseif ( ! isset($_GET['page']) || $_GET['page'] != 'woothemes-sensei-settings') {
+	    		add_action('admin_notices', array($this, 'admin_installed_notice'));
 	    	} // End If Statement
 
 	    } // End If Statement
 
-	    if ( Sensei_Language_Pack_Manager::has_language_pack_available() ) {
-	    	add_action( 'admin_notices', array( $this, 'language_pack_install_notice' ) );
+	    if (Sensei_Language_Pack_Manager::has_language_pack_available()) {
+	    	add_action('admin_notices', array($this, 'language_pack_install_notice'));
 	    }
 
 	} // End admin_notices_styles()
@@ -432,17 +432,17 @@ 
 	 * @param  object $post    Current post
 	 * @return array           Modified actions
 	 */
-	public function duplicate_action_link( $actions, $post ) {
-		switch( $post->post_type ) {
+	public function duplicate_action_link($actions, $post) {
+		switch ($post->post_type) {
 			case 'lesson':
-				$confirm = __( 'This will duplicate the lesson quiz and all of its questions. Are you sure you want to do this?', 'woothemes-sensei' );
-				$actions['duplicate'] = "<a onclick='return confirm(\"" . $confirm . "\");' href='" . $this->get_duplicate_link( $post->ID ) . "' title='" . esc_attr(__( 'Duplicate this lesson', 'woothemes-sensei' ) ) . "'>" .  __('Duplicate', 'woothemes-sensei' ) . "</a>";
+				$confirm = __('This will duplicate the lesson quiz and all of its questions. Are you sure you want to do this?', 'woothemes-sensei');
+				$actions['duplicate'] = "<a onclick='return confirm(\"".$confirm."\");' href='".$this->get_duplicate_link($post->ID)."' title='".esc_attr(__('Duplicate this lesson', 'woothemes-sensei'))."'>".__('Duplicate', 'woothemes-sensei')."</a>";
 			break;
 
 			case 'course':
-				$confirm = __( 'This will duplicate the course lessons along with all of their quizzes and questions. Are you sure you want to do this?', 'woothemes-sensei' );
-				$actions['duplicate'] = '<a href="' . $this->get_duplicate_link( $post->ID ) . '" title="' . esc_attr(__( 'Duplicate this course', 'woothemes-sensei' ) ) . '">' .  __('Duplicate', 'woothemes-sensei' ) . '</a>';
-				$actions['duplicate_with_lessons'] = '<a onclick="return confirm(\'' . $confirm . '\');" href="' . $this->get_duplicate_link( $post->ID, true ) . '" title="' . esc_attr(__( 'Duplicate this course with its lessons', 'woothemes-sensei' ) ) . '">' .  __('Duplicate (with lessons)', 'woothemes-sensei' ) . '</a>';
+				$confirm = __('This will duplicate the course lessons along with all of their quizzes and questions. Are you sure you want to do this?', 'woothemes-sensei');
+				$actions['duplicate'] = '<a href="'.$this->get_duplicate_link($post->ID).'" title="'.esc_attr(__('Duplicate this course', 'woothemes-sensei')).'">'.__('Duplicate', 'woothemes-sensei').'</a>';
+				$actions['duplicate_with_lessons'] = '<a onclick="return confirm(\''.$confirm.'\');" href="'.$this->get_duplicate_link($post->ID, true).'" title="'.esc_attr(__('Duplicate this course with its lessons', 'woothemes-sensei')).'">'.__('Duplicate (with lessons)', 'woothemes-sensei').'</a>';
 			break;
 		}
 
@@ -455,17 +455,17 @@ 
 	 * @param  boolean $with_lessons Include lessons or not
 	 * @return string                Duplication link
 	 */
-	private function get_duplicate_link( $post_id = 0, $with_lessons = false ) {
+	private function get_duplicate_link($post_id = 0, $with_lessons = false) {
 
-		$post = get_post( $post_id );
+		$post = get_post($post_id);
 
-		$action = 'duplicate_' . $post->post_type;
+		$action = 'duplicate_'.$post->post_type;
 
-		if( 'course' == $post->post_type && $with_lessons ) {
+		if ('course' == $post->post_type && $with_lessons) {
 			$action .= '_with_lessons';
 		}
 
-		return apply_filters( $action . '_link', admin_url( 'admin.php?action=' . $action . '&post=' . $post_id ), $post_id );
+		return apply_filters($action.'_link', admin_url('admin.php?action='.$action.'&post='.$post_id), $post_id);
 	}
 
 	/**
@@ -473,7 +473,7 @@ 
 	 * @return void
 	 */
 	public function duplicate_lesson_action() {
-		$this->duplicate_content( 'lesson' );
+		$this->duplicate_content('lesson');
 	}
 
 	/**
@@ -481,7 +481,7 @@ 
 	 * @return void
 	 */
 	public function duplicate_course_action() {
-		$this->duplicate_content( 'course' );
+		$this->duplicate_content('course');
 	}
 
 	/**
@@ -489,7 +489,7 @@ 
 	 * @return void
 	 */
 	public function duplicate_course_with_lessons_action() {
-		$this->duplicate_content( 'course', true );
+		$this->duplicate_content('course', true);
 	}
 
 	/**
@@ -498,34 +498,34 @@ 
 	 * @param  boolean $with_lessons Include lessons or not
 	 * @return void
 	 */
-	private function duplicate_content( $post_type = 'lesson', $with_lessons = false ) {
-		if ( ! isset( $_GET['post'] ) ) {
-			wp_die( sprintf( __( 'Please supply a %1$s ID.', 'woothemes-sensei' ) ), $post_type );
+	private function duplicate_content($post_type = 'lesson', $with_lessons = false) {
+		if ( ! isset($_GET['post'])) {
+			wp_die(sprintf(__('Please supply a %1$s ID.', 'woothemes-sensei')), $post_type);
 		}
 
 		$post_id = $_GET['post'];
-		$post = get_post( $post_id );
+		$post = get_post($post_id);
 
-		if( ! is_wp_error( $post ) ) {
+		if ( ! is_wp_error($post)) {
 
-			$new_post = $this->duplicate_post( $post );
+			$new_post = $this->duplicate_post($post);
 
-			if( $new_post && ! is_wp_error( $new_post ) ) {
+			if ($new_post && ! is_wp_error($new_post)) {
 
-				if( 'lesson' == $new_post->post_type ) {
-					$this->duplicate_lesson_quizzes( $post_id, $new_post->ID );
+				if ('lesson' == $new_post->post_type) {
+					$this->duplicate_lesson_quizzes($post_id, $new_post->ID);
 				}
 
-				if( 'course' == $new_post->post_type && $with_lessons ) {
-					$this->duplicate_course_lessons( $post_id, $new_post->ID );
+				if ('course' == $new_post->post_type && $with_lessons) {
+					$this->duplicate_course_lessons($post_id, $new_post->ID);
 				}
 
-				$redirect_url = admin_url( 'post.php?post=' . $new_post->ID . '&action=edit' );
+				$redirect_url = admin_url('post.php?post='.$new_post->ID.'&action=edit');
 			} else {
-				$redirect_url = admin_url( 'edit.php?post_type=' . $post->post_type . '&message=duplicate_failed' );
+				$redirect_url = admin_url('edit.php?post_type='.$post->post_type.'&message=duplicate_failed');
 			}
 
-			wp_safe_redirect( esc_url_raw( $redirect_url ) );
+			wp_safe_redirect(esc_url_raw($redirect_url));
 			exit;
 		}
 	}
@@ -536,19 +536,19 @@ 
 	 * @param  integer $new_lesson_id ID of duplicate lesson
 	 * @return void
 	 */
-	private function duplicate_lesson_quizzes( $old_lesson_id, $new_lesson_id ) {
+	private function duplicate_lesson_quizzes($old_lesson_id, $new_lesson_id) {
 
-        $old_quiz_id = Sensei()->lesson->lesson_quizzes( $old_lesson_id );
-        $old_quiz_questions = Sensei()->lesson->lesson_quiz_questions( $old_quiz_id );
+        $old_quiz_id = Sensei()->lesson->lesson_quizzes($old_lesson_id);
+        $old_quiz_questions = Sensei()->lesson->lesson_quiz_questions($old_quiz_id);
 
         // duplicate the generic wp post information
-		$new_quiz = $this->duplicate_post( get_post( $old_quiz_id ), '' );
+		$new_quiz = $this->duplicate_post(get_post($old_quiz_id), '');
 
 		//update the new lesson data
-        add_post_meta( $new_lesson_id, '_lesson_quiz', $new_quiz->ID );
+        add_post_meta($new_lesson_id, '_lesson_quiz', $new_quiz->ID);
 
 		//update the new quiz data
-        add_post_meta( $new_quiz->ID, '_quiz_lesson', $new_lesson_id );
+        add_post_meta($new_quiz->ID, '_quiz_lesson', $new_lesson_id);
         wp_update_post(
             array(
                 'ID' => $new_quiz->ID,
@@ -556,15 +556,15 @@ 
             )
         );
 
-		foreach( $old_quiz_questions as $question ) {
+		foreach ($old_quiz_questions as $question) {
 
 			// copy the question order over to the new quiz
-			$old_question_order = get_post_meta( $question->ID, '_quiz_question_order'. $old_quiz_id, true );
-            $new_question_order = str_ireplace( $old_quiz_id, $new_quiz->ID , $old_question_order );
-            add_post_meta( $question->ID, '_quiz_question_order' . $new_quiz->ID, $new_question_order );
+			$old_question_order = get_post_meta($question->ID, '_quiz_question_order'.$old_quiz_id, true);
+            $new_question_order = str_ireplace($old_quiz_id, $new_quiz->ID, $old_question_order);
+            add_post_meta($question->ID, '_quiz_question_order'.$new_quiz->ID, $new_question_order);
 
 			// Add question to quiz
-			add_post_meta( $question->ID, '_quiz_id', $new_quiz->ID, false );
+			add_post_meta($question->ID, '_quiz_id', $new_quiz->ID, false);
 
 		}
 	}
@@ -575,7 +575,7 @@ 
 	 * @param  integer $new_course_id ID of duplicated course
 	 * @return void
 	 */
-	private function duplicate_course_lessons( $old_course_id, $new_course_id ) {
+	private function duplicate_course_lessons($old_course_id, $new_course_id) {
 		$lesson_args = array(
 			'post_type' => 'lesson',
 			'posts_per_page' => -1,
@@ -583,13 +583,13 @@ 
 			'meta_value' => $old_course_id,
 			'suppress_filters' 	=> 0
 		);
-		$lessons = get_posts( $lesson_args );
+		$lessons = get_posts($lesson_args);
 
-		foreach( $lessons as $lesson ) {
-			$new_lesson = $this->duplicate_post( $lesson, '', true );
-			add_post_meta( $new_lesson->ID, '_lesson_course', $new_course_id );
+		foreach ($lessons as $lesson) {
+			$new_lesson = $this->duplicate_post($lesson, '', true);
+			add_post_meta($new_lesson->ID, '_lesson_course', $new_course_id);
 
-			$this->duplicate_lesson_quizzes( $lesson->ID, $new_lesson->ID );
+			$this->duplicate_lesson_quizzes($lesson->ID, $new_lesson->ID);
 		}
 	}
 
@@ -600,24 +600,24 @@ 
 	 * @param  boolean $ignore_course Ignore lesson course when dulicating
 	 * @return object                 Duplicate post object
 	 */
-	private function duplicate_post( $post, $suffix = ' (Duplicate)', $ignore_course = false ) {
+	private function duplicate_post($post, $suffix = ' (Duplicate)', $ignore_course = false) {
 
 		$new_post = array();
 
-		foreach( $post as $k => $v ) {
-			if( ! in_array( $k, array( 'ID', 'post_status', 'post_date', 'post_date_gmt', 'post_name', 'post_modified', 'post_modified_gmt', 'guid', 'comment_count' ) ) ) {
-				$new_post[ $k ] = $v;
+		foreach ($post as $k => $v) {
+			if ( ! in_array($k, array('ID', 'post_status', 'post_date', 'post_date_gmt', 'post_name', 'post_modified', 'post_modified_gmt', 'guid', 'comment_count'))) {
+				$new_post[$k] = $v;
 			}
 		}
 
-		$new_post['post_title'] .= __( $suffix, 'woothemes-sensei' );
+		$new_post['post_title'] .= __($suffix, 'woothemes-sensei');
 
-		$new_post['post_date'] = current_time( 'mysql' );
-		$new_post['post_date_gmt'] = get_gmt_from_date( $new_post['post_date'] );
+		$new_post['post_date'] = current_time('mysql');
+		$new_post['post_date_gmt'] = get_gmt_from_date($new_post['post_date']);
 		$new_post['post_modified'] = $new_post['post_date'];
 		$new_post['post_modified_gmt'] = $new_post['post_date_gmt'];
 
-		switch( $post->post_type ) {
+		switch ($post->post_type) {
 			case 'course': $new_post['post_status'] = 'draft'; break;
 			case 'lesson': $new_post['post_status'] = 'draft'; break;
 			case 'quiz': $new_post['post_status'] = 'publish'; break;
@@ -625,45 +625,45 @@ 
 		}
 
 		// As per wp_update_post() we need to escape the data from the db.
-		$new_post = wp_slash( $new_post );
+		$new_post = wp_slash($new_post);
 
-		$new_post_id = wp_insert_post( $new_post );
+		$new_post_id = wp_insert_post($new_post);
 
-		if( ! is_wp_error( $new_post_id ) ) {
+		if ( ! is_wp_error($new_post_id)) {
 
-			$post_meta = get_post_custom( $post->ID );
-			if( $post_meta && count( $post_meta ) > 0 ) {
+			$post_meta = get_post_custom($post->ID);
+			if ($post_meta && count($post_meta) > 0) {
 
-				$ignore_meta = array( '_quiz_lesson', '_quiz_id', '_lesson_quiz' );
+				$ignore_meta = array('_quiz_lesson', '_quiz_id', '_lesson_quiz');
 
-				if( $ignore_course ) {
+				if ($ignore_course) {
 					$ignore_meta[] = '_lesson_course';
 				}
 
-				foreach( $post_meta as $key => $meta ) {
-					foreach( $meta as $value ) {
-						$value = maybe_unserialize( $value );
-						if( ! in_array( $key, $ignore_meta ) ) {
-							add_post_meta( $new_post_id, $key, $value );
+				foreach ($post_meta as $key => $meta) {
+					foreach ($meta as $value) {
+						$value = maybe_unserialize($value);
+						if ( ! in_array($key, $ignore_meta)) {
+							add_post_meta($new_post_id, $key, $value);
 						}
 					}
 				}
 			}
 
-			add_post_meta( $new_post_id, '_duplicate', $post->ID );
+			add_post_meta($new_post_id, '_duplicate', $post->ID);
 
-			$taxonomies = get_object_taxonomies( $post->post_type, 'objects' );
+			$taxonomies = get_object_taxonomies($post->post_type, 'objects');
 
-			foreach ( $taxonomies as $slug => $tax ) {
-				$terms = get_the_terms( $post->ID, $slug );
-				if( isset( $terms ) && is_array( $terms ) && 0 < count( $terms ) ) {
-					foreach( $terms as $term ) {
-						wp_set_object_terms( $new_post_id, $term->term_id, $slug, true );
+			foreach ($taxonomies as $slug => $tax) {
+				$terms = get_the_terms($post->ID, $slug);
+				if (isset($terms) && is_array($terms) && 0 < count($terms)) {
+					foreach ($terms as $term) {
+						wp_set_object_terms($new_post_id, $term->term_id, $slug, true);
 					}
 				}
 			}
 
-			$new_post = get_post( $new_post_id );
+			$new_post = get_post($new_post_id);
 
 			return $new_post;
 		}
@@ -678,7 +678,7 @@ 
 	public function lesson_filter_options() {
 		global $typenow;
 
-		if( is_admin() && 'lesson' == $typenow ) {
+		if (is_admin() && 'lesson' == $typenow) {
 
 			$args = array(
 				'post_type' => 'course',
@@ -688,16 +688,16 @@ 
 				'orderby' => 'menu_order date',
 				'order' => 'ASC',
 			);
-			$courses = get_posts( $args );
+			$courses = get_posts($args);
 
-			$selected = isset( $_GET['lesson_course'] ) ? $_GET['lesson_course'] : '';
+			$selected = isset($_GET['lesson_course']) ? $_GET['lesson_course'] : '';
 			$course_options = '';
-			foreach( $courses as $course ) {
-				$course_options .= '<option value="' . esc_attr( $course->ID ) . '" ' . selected( $selected, $course->ID, false ) . '>' . get_the_title( $course->ID ) . '</option>';
+			foreach ($courses as $course) {
+				$course_options .= '<option value="'.esc_attr($course->ID).'" '.selected($selected, $course->ID, false).'>'.get_the_title($course->ID).'</option>';
 			}
 
 			$output = '<select name="lesson_course" id="dropdown_lesson_course">';
-			$output .= '<option value="">'.__( 'Show all courses', 'woothemes-sensei' ).'</option>';
+			$output .= '<option value="">'.__('Show all courses', 'woothemes-sensei').'</option>';
 			$output .= $course_options;
 			$output .= '</select>';
 
@@ -710,13 +710,13 @@ 
 	 * @param  array $request Current request
 	 * @return array          Modified request
 	 */
-	public function lesson_filter_actions( $request ) {
+	public function lesson_filter_actions($request) {
 		global $typenow;
 
-		if( is_admin() && 'lesson' == $typenow ) {
-			$lesson_course = isset( $_GET['lesson_course'] ) ? $_GET['lesson_course'] : '';
+		if (is_admin() && 'lesson' == $typenow) {
+			$lesson_course = isset($_GET['lesson_course']) ? $_GET['lesson_course'] : '';
 
-			if( $lesson_course ) {
+			if ($lesson_course) {
 				$request['meta_key'] = '_lesson_course';
 				$request['meta_value'] = $lesson_course;
 				$request['meta_compare'] = '=';
@@ -731,27 +731,27 @@ 
 	 * @param  array $items Existing items
 	 * @return array        Updated items
 	 */
-	public function glance_items( $items = array() ) {
+	public function glance_items($items = array()) {
 
-		$types = array( 'course', 'lesson', 'question' );
+		$types = array('course', 'lesson', 'question');
 
-		foreach( $types as $type ) {
-			if( ! post_type_exists( $type ) ) continue;
+		foreach ($types as $type) {
+			if ( ! post_type_exists($type)) continue;
 
-			$num_posts = wp_count_posts( $type );
+			$num_posts = wp_count_posts($type);
 
-			if( $num_posts ) {
+			if ($num_posts) {
 
-				$published = intval( $num_posts->publish );
-				$post_type = get_post_type_object( $type );
+				$published = intval($num_posts->publish);
+				$post_type = get_post_type_object($type);
 
-				$text = _n( '%s ' . $post_type->labels->singular_name, '%s ' . $post_type->labels->name, $published, 'woothemes-sensei' );
-				$text = sprintf( $text, number_format_i18n( $published ) );
+				$text = _n('%s '.$post_type->labels->singular_name, '%s '.$post_type->labels->name, $published, 'woothemes-sensei');
+				$text = sprintf($text, number_format_i18n($published));
 
-				if ( current_user_can( $post_type->cap->edit_posts ) ) {
-					$items[] = sprintf( '<a class="%1$s-count" href="edit.php?post_type=%1$s">%2$s</a>', $type, $text ) . "\n";
+				if (current_user_can($post_type->cap->edit_posts)) {
+					$items[] = sprintf('<a class="%1$s-count" href="edit.php?post_type=%1$s">%2$s</a>', $type, $text)."\n";
 				} else {
-					$items[] = sprintf( '<span class="%1$s-count">%2$s</span>', $type, $text ) . "\n";
+					$items[] = sprintf('<span class="%1$s-count">%2$s</span>', $type, $text)."\n";
 				}
 			}
 		}
@@ -765,13 +765,13 @@ 
 	 * @param  object  $post    Post object
 	 * @return void
 	 */
-	public function delete_content( $post_id, $post ) {
+	public function delete_content($post_id, $post) {
 
 		$type = $post->post_type;
 
-		if( in_array( $type, array( 'lesson', 'course' ) ) ) {
+		if (in_array($type, array('lesson', 'course'))) {
 
-			$meta_key = '_' . $type . '_prerequisite';
+			$meta_key = '_'.$type.'_prerequisite';
 
 			$args = array(
 				'post_type' => $type,
@@ -781,10 +781,10 @@ 
 				'meta_value' => $post_id
 			);
 
-			$posts = get_posts( $args );
+			$posts = get_posts($args);
 
-			foreach( $posts as $post ) {
-				delete_post_meta( $post->ID, $meta_key );
+			foreach ($posts as $post) {
+				delete_post_meta($post->ID, $meta_key);
 			}
 		}
 	}
@@ -794,181 +794,181 @@ 
 	 * @param  integer $user_id User ID
 	 * @return void
 	 */
-	public function delete_user_activity( $user_id = 0 ) {
-		if( $user_id ) {
-			Sensei_Utils::delete_all_user_activity( $user_id );
+	public function delete_user_activity($user_id = 0) {
+		if ($user_id) {
+			Sensei_Utils::delete_all_user_activity($user_id);
 		}
 	}
 
-	public function render_settings( $settings = array(), $post_id = 0, $group_id = '' ) {
+	public function render_settings($settings = array(), $post_id = 0, $group_id = '') {
 
 		$html = '';
 
-		if( 0 == count( $settings ) ) return $html;
+		if (0 == count($settings)) return $html;
 
-		$html .= '<div class="sensei-options-panel">' . "\n";
+		$html .= '<div class="sensei-options-panel">'."\n";
 
-			$html .= '<div class="options_group" id="' . esc_attr( $group_id ) . '">' . "\n";
+			$html .= '<div class="options_group" id="'.esc_attr($group_id).'">'."\n";
 
-				foreach( $settings as $field ) {
+				foreach ($settings as $field) {
 
 					$data = '';
 
-					if( $post_id ) {
-						$data = get_post_meta( $post_id, '_' . $field['id'], true );
-						if( ! $data && isset( $field['default'] ) ) {
+					if ($post_id) {
+						$data = get_post_meta($post_id, '_'.$field['id'], true);
+						if ( ! $data && isset($field['default'])) {
 							$data = $field['default'];
 						}
 					} else {
-						$option = get_option( $field['id'] );
-						if( isset( $field['default'] ) ) {
+						$option = get_option($field['id']);
+						if (isset($field['default'])) {
 							$data = $field['default'];
-							if( $option ) {
+							if ($option) {
 								$data = $option;
 							}
 						}
 					}
 
 					$disabled = '';
-					if( isset( $field['disabled'] ) && $field['disabled'] ) {
-						$disabled = disabled( $field['disabled'], true, false );
+					if (isset($field['disabled']) && $field['disabled']) {
+						$disabled = disabled($field['disabled'], true, false);
 					}
 
-					if( 'hidden' != $field['type'] ) {
+					if ('hidden' != $field['type']) {
 
 						$class_tail = '';
 
-						if( isset( $field['class'] ) ) {
+						if (isset($field['class'])) {
 							$class_tail .= $field['class'];
 						}
 
-						if( isset( $field['disabled'] ) && $field['disabled'] ) {
+						if (isset($field['disabled']) && $field['disabled']) {
 							$class_tail .= ' disabled';
 						}
 
-						$html .= '<p class="form-field ' . esc_attr( $field['id'] ) . ' ' . esc_attr( $class_tail ) . '">' . "\n";
+						$html .= '<p class="form-field '.esc_attr($field['id']).' '.esc_attr($class_tail).'">'."\n";
 					}
 
-						if( ! in_array( $field['type'], array( 'hidden', 'checkbox_multi', 'radio' ) ) ) {
-							$html .= '<label for="' . esc_attr( $field['id'] ) . '">' . "\n";
+						if ( ! in_array($field['type'], array('hidden', 'checkbox_multi', 'radio'))) {
+							$html .= '<label for="'.esc_attr($field['id']).'">'."\n";
 						}
 
-							if( $field['label'] ) {
-								$html .= '<span class="label">' . esc_html( $field['label'] ) . '</span>';
+							if ($field['label']) {
+								$html .= '<span class="label">'.esc_html($field['label']).'</span>';
 							}
 
-							switch( $field['type'] ) {
+							switch ($field['type']) {
 								case 'text':
 								case 'password':
-									$html .= '<input id="' . esc_attr( $field['id'] ) . '" type="' . $field['type'] . '" name="' . esc_attr( $field['id'] ) . '" placeholder="' . esc_attr( $field['placeholder'] ) . '" value="' . $data . '" ' . $disabled . ' />' . "\n";
+									$html .= '<input id="'.esc_attr($field['id']).'" type="'.$field['type'].'" name="'.esc_attr($field['id']).'" placeholder="'.esc_attr($field['placeholder']).'" value="'.$data.'" '.$disabled.' />'."\n";
 								break;
 
 								case 'number':
 
 									$min = '';
-									if( isset( $field['min'] ) ) {
-										$min = 'min="' . esc_attr( $field['min'] ) . '"';
+									if (isset($field['min'])) {
+										$min = 'min="'.esc_attr($field['min']).'"';
 									}
 
 									$max = '';
-									if( isset( $field['max'] ) ) {
-										$max = 'max="' . esc_attr( $field['max'] ) . '"';
+									if (isset($field['max'])) {
+										$max = 'max="'.esc_attr($field['max']).'"';
 									}
 
-									$html .= '<input id="' . esc_attr( $field['id'] ) . '" type="' . $field['type'] . '" name="' . esc_attr( $field['id'] ) . '" placeholder="' . esc_attr( $field['placeholder'] ) . '" value="' . $data . '" ' . $min . '  ' . $max . ' class="small-text" ' . $disabled . ' />' . "\n";
+									$html .= '<input id="'.esc_attr($field['id']).'" type="'.$field['type'].'" name="'.esc_attr($field['id']).'" placeholder="'.esc_attr($field['placeholder']).'" value="'.$data.'" '.$min.'  '.$max.' class="small-text" '.$disabled.' />'."\n";
 								break;
 
 								case 'textarea':
-									$html .= '<textarea id="' . esc_attr( $field['id'] ) . '" rows="5" cols="50" name="' . esc_attr( $field['id'] ) . '" placeholder="' . esc_attr( $field['placeholder'] ) . '" ' . $disabled . '>' . $data . '</textarea><br/>'. "\n";
+									$html .= '<textarea id="'.esc_attr($field['id']).'" rows="5" cols="50" name="'.esc_attr($field['id']).'" placeholder="'.esc_attr($field['placeholder']).'" '.$disabled.'>'.$data.'</textarea><br/>'."\n";
 								break;
 
 								case 'checkbox':
                                     //backwards compatibility
-                                    if( empty( $data ) || 'on' == $data ){
+                                    if (empty($data) || 'on' == $data) {
                                         $checked_value = 'on';
-                                    }elseif( 'yes' == $data  ) {
+                                    }elseif ('yes' == $data) {
 
                                         $checked_value = 'yes';
 
-                                    }elseif( 'auto' == $data  ) {
+                                    }elseif ('auto' == $data) {
 
                                         $checked_value = 'auto';
 
                                     } else {
                                         $checked_value = 1;
-                                        $data = intval( $data );
+                                        $data = intval($data);
                                     }
-									$checked = checked( $checked_value, $data, false );
-									$html .= '<input id="' . esc_attr( $field['id'] ) . '" type="' . $field['type'] . '" name="' . esc_attr( $field['id'] ) . '" ' . $checked . ' ' . $disabled . '/>' . "\n";
+									$checked = checked($checked_value, $data, false);
+									$html .= '<input id="'.esc_attr($field['id']).'" type="'.$field['type'].'" name="'.esc_attr($field['id']).'" '.$checked.' '.$disabled.'/>'."\n";
 								break;
 
 								case 'checkbox_multi':
-									foreach( $field['options'] as $k => $v ) {
+									foreach ($field['options'] as $k => $v) {
 										$checked = false;
-										if( in_array( $k, $data ) ) {
+										if (in_array($k, $data)) {
 											$checked = true;
 										}
-										$html .= '<label for="' . esc_attr( $field['id'] . '_' . $k ) . '"><input type="checkbox" ' . checked( $checked, true, false ) . ' name="' . esc_attr( $field['id'] ) . '[]" value="' . esc_attr( $k ) . '" id="' . esc_attr( $field['id'] . '_' . $k ) . '" ' . $disabled . ' /> ' . $v . '</label> ' . "\n";
+										$html .= '<label for="'.esc_attr($field['id'].'_'.$k).'"><input type="checkbox" '.checked($checked, true, false).' name="'.esc_attr($field['id']).'[]" value="'.esc_attr($k).'" id="'.esc_attr($field['id'].'_'.$k).'" '.$disabled.' /> '.$v.'</label> '."\n";
 									}
 								break;
 
 								case 'radio':
-									foreach( $field['options'] as $k => $v ) {
+									foreach ($field['options'] as $k => $v) {
 										$checked = false;
-										if( $k == $data ) {
+										if ($k == $data) {
 											$checked = true;
 										}
-										$html .= '<label for="' . esc_attr( $field['id'] . '_' . $k ) . '"><input type="radio" ' . checked( $checked, true, false ) . ' name="' . esc_attr( $field['id'] ) . '" value="' . esc_attr( $k ) . '" id="' . esc_attr( $field['id'] . '_' . $k ) . '" ' . $disabled . ' /> ' . $v . '</label> ' . "\n";
+										$html .= '<label for="'.esc_attr($field['id'].'_'.$k).'"><input type="radio" '.checked($checked, true, false).' name="'.esc_attr($field['id']).'" value="'.esc_attr($k).'" id="'.esc_attr($field['id'].'_'.$k).'" '.$disabled.' /> '.$v.'</label> '."\n";
 									}
 								break;
 
 								case 'select':
-									$html .= '<select name="' . esc_attr( $field['id'] ) . '" id="' . esc_attr( $field['id'] ) . '" ' . $disabled . '>' . "\n";
-									foreach( $field['options'] as $k => $v ) {
+									$html .= '<select name="'.esc_attr($field['id']).'" id="'.esc_attr($field['id']).'" '.$disabled.'>'."\n";
+									foreach ($field['options'] as $k => $v) {
 										$selected = false;
-										if( $k == $data ) {
+										if ($k == $data) {
 											$selected = true;
 										}
-										$html .= '<option ' . selected( $selected, true, false ) . ' value="' . esc_attr( $k ) . '">' . $v . '</option>' . "\n";
+										$html .= '<option '.selected($selected, true, false).' value="'.esc_attr($k).'">'.$v.'</option>'."\n";
 									}
-									$html .= '</select><br/>' . "\n";
+									$html .= '</select><br/>'."\n";
 								break;
 
 								case 'select_multi':
-									$html .= '<select name="' . esc_attr( $field['id'] ) . '[]" id="' . esc_attr( $field['id'] ) . '" multiple="multiple" ' . $disabled . '>' . "\n";
-									foreach( $field['options'] as $k => $v ) {
+									$html .= '<select name="'.esc_attr($field['id']).'[]" id="'.esc_attr($field['id']).'" multiple="multiple" '.$disabled.'>'."\n";
+									foreach ($field['options'] as $k => $v) {
 										$selected = false;
-										if( in_array( $k, $data ) ) {
+										if (in_array($k, $data)) {
 											$selected = true;
 										}
-										$html .= '<option ' . selected( $selected, true, false ) . ' value="' . esc_attr( $k ) . '" />' . $v . '</option>' . "\n";
+										$html .= '<option '.selected($selected, true, false).' value="'.esc_attr($k).'" />'.$v.'</option>'."\n";
 									}
 									$html .= '</select> . "\n"';
 								break;
 
 								case 'hidden':
-									$html .= '<input id="' . esc_attr( $field['id'] ) . '" type="' . $field['type'] . '" name="' . esc_attr( $field['id'] ) . '" value="' . $data . '" ' . $disabled . '/>' . "\n";
+									$html .= '<input id="'.esc_attr($field['id']).'" type="'.$field['type'].'" name="'.esc_attr($field['id']).'" value="'.$data.'" '.$disabled.'/>'."\n";
 								break;
 
 							}
 
-							if( $field['description'] ) {
-								$html .= ' <span class="description">' . esc_html( $field['description'] ) . '</span>' . "\n";
+							if ($field['description']) {
+								$html .= ' <span class="description">'.esc_html($field['description']).'</span>'."\n";
 							}
 
-						if( ! in_array( $field['type'], array( 'hidden', 'checkbox_multi', 'radio' ) ) ) {
-							$html .= '</label>' . "\n";
+						if ( ! in_array($field['type'], array('hidden', 'checkbox_multi', 'radio'))) {
+							$html .= '</label>'."\n";
 						}
 
-					if( 'hidden' != $field['type'] ) {
-						$html .= '</p>' . "\n";
+					if ('hidden' != $field['type']) {
+						$html .= '</p>'."\n";
 					}
 
 				}
 
-			$html .= '</div>' . "\n";
+			$html .= '</div>'."\n";
 
-		$html .= '</div>' . "\n";
+		$html .= '</div>'."\n";
 
 		return $html;
 	}
@@ -979,61 +979,61 @@ 
 	 */
 	public function course_order_screen() {
 
-		$suffix = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
-		wp_enqueue_script( 'woothemes-sensei-settings', esc_url( Sensei()->plugin_url . 'assets/js/settings' . $suffix . '.js' ), array( 'jquery', 'jquery-ui-sortable' ), Sensei()->version );
+		$suffix = defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ? '' : '.min';
+		wp_enqueue_script('woothemes-sensei-settings', esc_url(Sensei()->plugin_url.'assets/js/settings'.$suffix.'.js'), array('jquery', 'jquery-ui-sortable'), Sensei()->version);
 
 		?><div id="course-order" class="wrap course-order">
-		<h2><?php _e( 'Order Courses', 'woothemes-sensei' ); ?></h2><?php
+		<h2><?php _e('Order Courses', 'woothemes-sensei'); ?></h2><?php
 
 		$html = '';
 
-		if( isset( $_POST['course-order'] ) && 0 < strlen( $_POST['course-order'] ) ) {
-			$ordered = $this->save_course_order( esc_attr( $_POST['course-order'] ) );
+		if (isset($_POST['course-order']) && 0 < strlen($_POST['course-order'])) {
+			$ordered = $this->save_course_order(esc_attr($_POST['course-order']));
 
-			if( $ordered ) {
-				$html .= '<div class="updated fade">' . "\n";
-				$html .= '<p>' . __( 'The course order has been saved.', 'woothemes-sensei' ) . '</p>' . "\n";
-				$html .= '</div>' . "\n";
+			if ($ordered) {
+				$html .= '<div class="updated fade">'."\n";
+				$html .= '<p>'.__('The course order has been saved.', 'woothemes-sensei').'</p>'."\n";
+				$html .= '</div>'."\n";
 			}
 		}
 
 		$courses = Sensei()->course->get_all_courses();
 
-		if( 0 < count( $courses ) ) {
+		if (0 < count($courses)) {
 
             // order the courses as set by the users
             $all_course_ids = array();
-            foreach( $courses as $course ){
+            foreach ($courses as $course) {
 
-                $all_course_ids[] = (string)$course->ID;
+                $all_course_ids[] = (string) $course->ID;
 
             }
             $order_string = $this->get_course_order();
 
-            if( !empty( $order_string ) ){
-                $ordered_course_ids = explode(',' , $order_string );
-                $all_course_ids = array_unique( array_merge( $ordered_course_ids , $all_course_ids ) );
+            if ( ! empty($order_string)) {
+                $ordered_course_ids = explode(',', $order_string);
+                $all_course_ids = array_unique(array_merge($ordered_course_ids, $all_course_ids));
             }
 
 
-			$html .= '<form id="editgrouping" method="post" action="" class="validate">' . "\n";
-			$html .= '<ul class="sortable-course-list">' . "\n";
+			$html .= '<form id="editgrouping" method="post" action="" class="validate">'."\n";
+			$html .= '<ul class="sortable-course-list">'."\n";
 			$count = 0;
-			foreach ( $all_course_ids as $course_id ) {
-                $course = get_post( $course_id );
+			foreach ($all_course_ids as $course_id) {
+                $course = get_post($course_id);
 				$count++;
 				$class = 'course';
-				if ( $count == 1 ) { $class .= ' first'; }
-				if ( $count == count( $course ) ) { $class .= ' last'; }
-				if ( $count % 2 != 0 ) {
+				if ($count == 1) { $class .= ' first'; }
+				if ($count == count($course)) { $class .= ' last'; }
+				if ($count % 2 != 0) {
 					$class .= ' alternate';
 				}
-				$html .= '<li class="' . esc_attr( $class ) . '"><span rel="' . esc_attr( $course->ID ) . '" style="width: 100%;"> ' . $course->post_title . '</span></li>' . "\n";
+				$html .= '<li class="'.esc_attr($class).'"><span rel="'.esc_attr($course->ID).'" style="width: 100%;"> '.$course->post_title.'</span></li>'."\n";
 			}
-			$html .= '</ul>' . "\n";
+			$html .= '</ul>'."\n";
 
-			$html .= '<input type="hidden" name="course-order" value="' . esc_attr( $order_string ) . '" />' . "\n";
-			$html .= '<input type="submit" class="button-primary" value="' . __( 'Save course order', 'woothemes-sensei' ) . '" />' . "\n";
+			$html .= '<input type="hidden" name="course-order" value="'.esc_attr($order_string).'" />'."\n";
+			$html .= '<input type="submit" class="button-primary" value="'.__('Save course order', 'woothemes-sensei').'" />'."\n";
 		}
 
 		echo $html;
@@ -1042,25 +1042,25 @@ 
 	}
 
 	public function get_course_order() {
-		return get_option( 'sensei_course_order', '' );
+		return get_option('sensei_course_order', '');
 	}
 
-	public function save_course_order( $order_string = '' ) {
-		$order = explode( ',', $order_string );
+	public function save_course_order($order_string = '') {
+		$order = explode(',', $order_string);
 
-		update_option( 'sensei_course_order', $order_string );
+		update_option('sensei_course_order', $order_string);
 
 		$i = 1;
-		foreach( $order as $course_id ) {
+		foreach ($order as $course_id) {
 
-			if( $course_id ) {
+			if ($course_id) {
 
 				$update_args = array(
 					'ID' => $course_id,
 					'menu_order' => $i,
 				);
 
-				wp_update_post( $update_args );
+				wp_update_post($update_args);
 
 				++$i;
 			}
@@ -1075,22 +1075,22 @@ 
 	 */
 	public function lesson_order_screen() {
 
-		$suffix = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
-		wp_enqueue_script( 'woothemes-sensei-settings', esc_url( Sensei()->plugin_url . 'assets/js/settings' . $suffix . '.js' ), array( 'jquery', 'jquery-ui-sortable' ), Sensei()->version );
+		$suffix = defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ? '' : '.min';
+		wp_enqueue_script('woothemes-sensei-settings', esc_url(Sensei()->plugin_url.'assets/js/settings'.$suffix.'.js'), array('jquery', 'jquery-ui-sortable'), Sensei()->version);
 
 		?><div id="lesson-order" class="wrap lesson-order">
-		<h2><?php _e( 'Order Lessons', 'woothemes-sensei' ); ?></h2><?php
+		<h2><?php _e('Order Lessons', 'woothemes-sensei'); ?></h2><?php
 
 		$html = '';
 
-		if( isset( $_POST['lesson-order'] ) ) {
+		if (isset($_POST['lesson-order'])) {
 
-			$ordered = $this->save_lesson_order( esc_attr( $_POST['lesson-order'] ), esc_attr( $_POST['course_id'] ) );
+			$ordered = $this->save_lesson_order(esc_attr($_POST['lesson-order']), esc_attr($_POST['course_id']));
 
-			if( $ordered ) {
-				$html .= '<div class="updated fade">' . "\n";
-				$html .= '<p>' . __( 'The lesson order has been saved.', 'woothemes-sensei' ) . '</p>' . "\n";
-				$html .= '</div>' . "\n";
+			if ($ordered) {
+				$html .= '<div class="updated fade">'."\n";
+				$html .= '<p>'.__('The lesson order has been saved.', 'woothemes-sensei').'</p>'."\n";
+				$html .= '</div>'."\n";
 			}
 		}
 
@@ -1101,43 +1101,43 @@ 
 			'orderby' => 'name',
 			'order' => 'ASC',
 		);
-		$courses = get_posts( $args );
+		$courses = get_posts($args);
 
-		$html .= '<form action="' . admin_url( 'edit.php' ) . '" method="get">' . "\n";
-		$html .= '<input type="hidden" name="post_type" value="lesson" />' . "\n";
-		$html .= '<input type="hidden" name="page" value="lesson-order" />' . "\n";
-		$html .= '<select id="lesson-order-course" name="course_id">' . "\n";
-		$html .= '<option value="">' . __( 'Select a course', 'woothemes-sensei' ) . '</option>' . "\n";
+		$html .= '<form action="'.admin_url('edit.php').'" method="get">'."\n";
+		$html .= '<input type="hidden" name="post_type" value="lesson" />'."\n";
+		$html .= '<input type="hidden" name="page" value="lesson-order" />'."\n";
+		$html .= '<select id="lesson-order-course" name="course_id">'."\n";
+		$html .= '<option value="">'.__('Select a course', 'woothemes-sensei').'</option>'."\n";
 
-		foreach( $courses as $course ) {
+		foreach ($courses as $course) {
 			$course_id = '';
-			if( isset( $_GET['course_id'] ) ) {
-				$course_id = intval( $_GET['course_id'] );
+			if (isset($_GET['course_id'])) {
+				$course_id = intval($_GET['course_id']);
 			}
-			$html .= '<option value="' . esc_attr( intval( $course->ID ) ) . '" ' . selected( $course->ID, $course_id, false ) .'>' . get_the_title( $course->ID ) . '</option>' . "\n";
+			$html .= '<option value="'.esc_attr(intval($course->ID)).'" '.selected($course->ID, $course_id, false).'>'.get_the_title($course->ID).'</option>'."\n";
 		}
 
-		$html .= '</select>' . "\n";
-		$html .= '<input type="submit" class="button-primary lesson-order-select-course-submit" value="' . __( 'Select', 'woothemes-sensei' ) . '" />' . "\n";
-		$html .= '</form>' . "\n";
+		$html .= '</select>'."\n";
+		$html .= '<input type="submit" class="button-primary lesson-order-select-course-submit" value="'.__('Select', 'woothemes-sensei').'" />'."\n";
+		$html .= '</form>'."\n";
 
-		$html .= '<script type="text/javascript">' . "\n";
-		$html .= 'jQuery( \'#lesson-order-course\' ).select2({width:"resolve"});' . "\n";
-		$html .= '</script>' . "\n";
+		$html .= '<script type="text/javascript">'."\n";
+		$html .= 'jQuery( \'#lesson-order-course\' ).select2({width:"resolve"});'."\n";
+		$html .= '</script>'."\n";
 
-		if( isset( $_GET['course_id'] ) ) {
-			$course_id = intval( $_GET['course_id'] );
-			if( $course_id > 0 ) {
+		if (isset($_GET['course_id'])) {
+			$course_id = intval($_GET['course_id']);
+			if ($course_id > 0) {
 
-				$order_string = $this->get_lesson_order( $course_id );
+				$order_string = $this->get_lesson_order($course_id);
 
-				$html .= '<form id="editgrouping" method="post" action="" class="validate">' . "\n";
+				$html .= '<form id="editgrouping" method="post" action="" class="validate">'."\n";
 
 				$displayed_lessons = array();
 
-                $modules = Sensei()->modules->get_course_modules( intval( $course_id ) );
+                $modules = Sensei()->modules->get_course_modules(intval($course_id));
 
-                foreach( $modules as $module ) {
+                foreach ($modules as $module) {
 
                     $args = array(
                         'post_type' => 'lesson',
@@ -1146,7 +1146,7 @@ 
                         'meta_query' => array(
                             array(
                                 'key' => '_lesson_course',
-                                'value' => intval( $course_id ),
+                                'value' => intval($course_id),
                                 'compare' => '='
                             )
                         ),
@@ -1154,66 +1154,66 @@ 
                             array(
                                 'taxonomy' => Sensei()->modules->taxonomy,
                                 'field' => 'id',
-                                'terms' => intval( $module->term_id )
+                                'terms' => intval($module->term_id)
                             )
                         ),
-                        'meta_key' => '_order_module_' . $module->term_id,
+                        'meta_key' => '_order_module_'.$module->term_id,
                         'orderby' => 'meta_value_num date',
                         'order' => 'ASC',
                         'suppress_filters' => 0
                     );
 
-                    $lessons = get_posts( $args );
+                    $lessons = get_posts($args);
 
-                    if( count( $lessons ) > 0 ) {
-                        $html .= '<h3>' . $module->name . '</h3>' . "\n";
-                        $html .= '<ul class="sortable-lesson-list" data-module_id="' . $module->term_id . '">' . "\n";
+                    if (count($lessons) > 0) {
+                        $html .= '<h3>'.$module->name.'</h3>'."\n";
+                        $html .= '<ul class="sortable-lesson-list" data-module_id="'.$module->term_id.'">'."\n";
 
                         $count = 0;
-                        foreach( $lessons as $lesson ) {
+                        foreach ($lessons as $lesson) {
                             $count++;
                             $class = 'lesson';
-                            if ( $count == 1 ) { $class .= ' first'; }
-                            if ( $count == count( $lesson ) ) { $class .= ' last'; }
-                            if ( $count % 2 != 0 ) {
+                            if ($count == 1) { $class .= ' first'; }
+                            if ($count == count($lesson)) { $class .= ' last'; }
+                            if ($count % 2 != 0) {
                                 $class .= ' alternate';
                             }
 
-                            $html .= '<li class="' . esc_attr( $class ) . '"><span rel="' . esc_attr( $lesson->ID ) . '" style="width: 100%;"> ' . $lesson->post_title . '</span></li>' . "\n";
+                            $html .= '<li class="'.esc_attr($class).'"><span rel="'.esc_attr($lesson->ID).'" style="width: 100%;"> '.$lesson->post_title.'</span></li>'."\n";
 
                             $displayed_lessons[] = $lesson->ID;
                         }
 
-                        $html .= '</ul>' . "\n";
+                        $html .= '</ul>'."\n";
 
-                        $html .= '<input type="hidden" name="lesson-order-module-' . $module->term_id . '" value="" />' . "\n";
+                        $html .= '<input type="hidden" name="lesson-order-module-'.$module->term_id.'" value="" />'."\n";
                     }
                 }
 
 
-                $lessons = Sensei()->course->course_lessons( $course_id );
+                $lessons = Sensei()->course->course_lessons($course_id);
 
-				if( 0 < count( $lessons ) ) {
+				if (0 < count($lessons)) {
 
                     //get module term ids, will be used to exclude lessons
                     $module_items_ids = array();
-                    if( ! empty( $modules ) ) {
+                    if ( ! empty($modules)) {
                         foreach ($modules as $module) {
                             $module_items_ids[] = $module->term_id;
                         }
                     }
 
-					if( 0 < count( $displayed_lessons ) ) {
-						$html .= '<h3>' . __( 'Other Lessons', 'woothemes-sensei' ) . '</h3>' . "\n";
+					if (0 < count($displayed_lessons)) {
+						$html .= '<h3>'.__('Other Lessons', 'woothemes-sensei').'</h3>'."\n";
 					}
 
-					$html .= '<ul class="sortable-lesson-list" data-module_id="0">' . "\n";
+					$html .= '<ul class="sortable-lesson-list" data-module_id="0">'."\n";
 					$count = 0;
-					foreach ( $lessons as $lesson ) {
+					foreach ($lessons as $lesson) {
 
                         // if lesson belongs to one fo the course modules then exclude it here
                         // as it is listed above
-                        if( has_term( $module_items_ids, 'module', $lesson->ID )  ){
+                        if (has_term($module_items_ids, 'module', $lesson->ID)) {
 
                             continue;
 
@@ -1221,28 +1221,28 @@ 
 
 						$count++;
 						$class = 'lesson';
-						if ( $count == 1 ) { $class .= ' first'; }
-						if ( $count == count( $lesson ) ) { $class .= ' last'; }
-						if ( $count % 2 != 0 ) {
+						if ($count == 1) { $class .= ' first'; }
+						if ($count == count($lesson)) { $class .= ' last'; }
+						if ($count % 2 != 0) {
 
 							$class .= ' alternate';
 
 						}
-						$html .= '<li class="' . esc_attr( $class ) . '"><span rel="' . esc_attr( $lesson->ID ) . '" style="width: 100%;"> ' . $lesson->post_title . '</span></li>' . "\n";
+						$html .= '<li class="'.esc_attr($class).'"><span rel="'.esc_attr($lesson->ID).'" style="width: 100%;"> '.$lesson->post_title.'</span></li>'."\n";
 
 						$displayed_lessons[] = $lesson->ID;
 					}
-					$html .= '</ul>' . "\n";
+					$html .= '</ul>'."\n";
 				} else {
-					if( 0 == count( $displayed_lessons ) ) {
-						$html .= '<p><em>' . __( 'There are no lessons in this course.', 'woothemes-sensei' ) . '</em></p>';
+					if (0 == count($displayed_lessons)) {
+						$html .= '<p><em>'.__('There are no lessons in this course.', 'woothemes-sensei').'</em></p>';
 					}
 				}
 
-				if( 0 < count( $displayed_lessons ) ) {
-					$html .= '<input type="hidden" name="lesson-order" value="' . esc_attr( $order_string ) . '" />' . "\n";
-					$html .= '<input type="hidden" name="course_id" value="' . $course_id . '" />' . "\n";
-					$html .= '<input type="submit" class="button-primary" value="' . __( 'Save lesson order', 'woothemes-sensei' ) . '" />' . "\n";
+				if (0 < count($displayed_lessons)) {
+					$html .= '<input type="hidden" name="lesson-order" value="'.esc_attr($order_string).'" />'."\n";
+					$html .= '<input type="hidden" name="course_id" value="'.$course_id.'" />'."\n";
+					$html .= '<input type="submit" class="button-primary" value="'.__('Save lesson order', 'woothemes-sensei').'" />'."\n";
 				}
 			}
 		}
@@ -1252,29 +1252,29 @@ 
 		?></div><?php
 	}
 
-	public function get_lesson_order( $course_id = 0 ) {
-		$order_string = get_post_meta( $course_id, '_lesson_order', true );
+	public function get_lesson_order($course_id = 0) {
+		$order_string = get_post_meta($course_id, '_lesson_order', true);
 		return $order_string;
 	}
 
-	public function save_lesson_order( $order_string = '', $course_id = 0 ) {
+	public function save_lesson_order($order_string = '', $course_id = 0) {
 
-		if( $course_id ) {
+		if ($course_id) {
 
-            $modules = Sensei()->modules->get_course_modules( intval( $course_id ) );
+            $modules = Sensei()->modules->get_course_modules(intval($course_id));
 
-            foreach( $modules as $module ) {
+            foreach ($modules as $module) {
 
 
-                if( isset( $_POST[ 'lesson-order-module-' . $module->term_id ] )
-                    && $_POST[ 'lesson-order-module-' . $module->term_id ] ) {
+                if (isset($_POST['lesson-order-module-'.$module->term_id])
+                    && $_POST['lesson-order-module-'.$module->term_id]) {
 
-                    $order = explode( ',', $_POST[ 'lesson-order-module-' . $module->term_id ] );
+                    $order = explode(',', $_POST['lesson-order-module-'.$module->term_id]);
                     $i = 1;
-                    foreach( $order as $lesson_id ) {
+                    foreach ($order as $lesson_id) {
 
-                        if( $lesson_id ) {
-                            update_post_meta( $lesson_id, '_order_module_' . $module->term_id, $i );
+                        if ($lesson_id) {
+                            update_post_meta($lesson_id, '_order_module_'.$module->term_id, $i);
                             ++$i;
                         }
 
@@ -1285,15 +1285,15 @@ 
             } // end for each modules
 
 
-			if( $order_string ) {
-				update_post_meta( $course_id, '_lesson_order', $order_string );
+			if ($order_string) {
+				update_post_meta($course_id, '_lesson_order', $order_string);
 
-				$order = explode( ',', $order_string );
+				$order = explode(',', $order_string);
 
 				$i = 1;
-				foreach( $order as $lesson_id ) {
-					if( $lesson_id ) {
-						update_post_meta( $lesson_id, '_order_' . $course_id, $i );
+				foreach ($order as $lesson_id) {
+					if ($lesson_id) {
+						update_post_meta($lesson_id, '_order_'.$course_id, $i);
 						++$i;
 					}
 				}
@@ -1308,54 +1308,54 @@ 
 	function sensei_add_custom_menu_items() {
 		global $pagenow;
 
-		if( 'nav-menus.php' == $pagenow ) {
-			add_meta_box( 'add-sensei-links', 'Sensei', array( $this, 'wp_nav_menu_item_sensei_links_meta_box' ), 'nav-menus', 'side', 'low' );
+		if ('nav-menus.php' == $pagenow) {
+			add_meta_box('add-sensei-links', 'Sensei', array($this, 'wp_nav_menu_item_sensei_links_meta_box'), 'nav-menus', 'side', 'low');
 		}
 	}
 
-	function wp_nav_menu_item_sensei_links_meta_box( $object ) {
+	function wp_nav_menu_item_sensei_links_meta_box($object) {
 		global $nav_menu_selected_id;
 
 		$menu_items = array(
-			'#senseicourses' => __( 'Courses', 'woothemes-sensei' ),
-			'#senseilessons' => __( 'Lessons', 'woothemes-sensei' ),
-			'#senseimycourses' => __( 'My Courses', 'woothemes-sensei' ),
-			'#senseilearnerprofile' => __( 'My Profile', 'woothemes-sensei' ),
-			'#senseimymessages' => __( 'My Messages', 'woothemes-sensei' ),
-			'#senseiloginlogout' => __( 'Login', 'woothemes-sensei' ) . '|' . __( 'Logout', 'woothemes-sensei' )
+			'#senseicourses' => __('Courses', 'woothemes-sensei'),
+			'#senseilessons' => __('Lessons', 'woothemes-sensei'),
+			'#senseimycourses' => __('My Courses', 'woothemes-sensei'),
+			'#senseilearnerprofile' => __('My Profile', 'woothemes-sensei'),
+			'#senseimymessages' => __('My Messages', 'woothemes-sensei'),
+			'#senseiloginlogout' => __('Login', 'woothemes-sensei').'|'.__('Logout', 'woothemes-sensei')
 		);
 
 		$menu_items_obj = array();
-		foreach ( $menu_items as $value => $title ) {
+		foreach ($menu_items as $value => $title) {
 			$menu_items_obj[$title] = new stdClass;
-			$menu_items_obj[$title]->object_id			= esc_attr( $value );
-			$menu_items_obj[$title]->title				= esc_attr( $title );
-			$menu_items_obj[$title]->url				= esc_attr( $value );
-			$menu_items_obj[$title]->description 		= 'description';
+			$menu_items_obj[$title]->object_id = esc_attr($value);
+			$menu_items_obj[$title]->title = esc_attr($title);
+			$menu_items_obj[$title]->url = esc_attr($value);
+			$menu_items_obj[$title]->description = 'description';
 			$menu_items_obj[$title]->db_id 				= 0;
 			$menu_items_obj[$title]->object 			= 'sensei';
-			$menu_items_obj[$title]->menu_item_parent 	= 0;
-			$menu_items_obj[$title]->type 				= 'custom';
+			$menu_items_obj[$title]->menu_item_parent = 0;
+			$menu_items_obj[$title]->type = 'custom';
 			$menu_items_obj[$title]->target 			= '';
-			$menu_items_obj[$title]->attr_title 		= '';
-			$menu_items_obj[$title]->classes 			= array();
-			$menu_items_obj[$title]->xfn 				= '';
+			$menu_items_obj[$title]->attr_title = '';
+			$menu_items_obj[$title]->classes = array();
+			$menu_items_obj[$title]->xfn = '';
 		}
 
-		$walker = new Walker_Nav_Menu_Checklist( array() );
+		$walker = new Walker_Nav_Menu_Checklist(array());
 		?>
 
 		<div id="sensei-links" class="senseidiv taxonomydiv">
 			<div id="tabs-panel-sensei-links-all" class="tabs-panel tabs-panel-view-all tabs-panel-active">
 
 				<ul id="sensei-linkschecklist" class="list:sensei-links categorychecklist form-no-clear">
-					<?php echo walk_nav_menu_tree( array_map( 'wp_setup_nav_menu_item', $menu_items_obj ), 0, (object)array( 'walker' => $walker ) ); ?>
+					<?php echo walk_nav_menu_tree(array_map('wp_setup_nav_menu_item', $menu_items_obj), 0, (object) array('walker' => $walker)); ?>
 				</ul>
 
 			</div>
 			<p class="button-controls">
 				<span class="add-to-menu">
-					<input type="submit"<?php disabled( $nav_menu_selected_id, 0 ); ?> class="button-secondary submit-add-to-menu right" value="<?php esc_attr_e( 'Add to Menu', 'woothemes-sensei' ); ?>" name="add-sensei-links-menu-item" id="submit-sensei-links" />
+					<input type="submit"<?php disabled($nav_menu_selected_id, 0); ?> class="button-secondary submit-add-to-menu right" value="<?php esc_attr_e('Add to Menu', 'woothemes-sensei'); ?>" name="add-sensei-links-menu-item" id="submit-sensei-links" />
 					<span class="spinner"></span>
 				</span>
 			</p>
@@ -1371,17 +1371,17 @@ 
 	 */
 	public function theme_compatibility_notices() {
 
-        if( isset( $_GET['sensei_hide_notice'] ) ) {
-        	switch( esc_attr( $_GET['sensei_hide_notice'] ) ) {
-				case 'menu_settings': add_user_meta( get_current_user_id(), 'sensei_hide_menu_settings_notice', true ); break;
-				case 'theme_check': add_user_meta( get_current_user_id(), 'sensei_hide_theme_check_notice', true ); break;
+        if (isset($_GET['sensei_hide_notice'])) {
+        	switch (esc_attr($_GET['sensei_hide_notice'])) {
+				case 'menu_settings': add_user_meta(get_current_user_id(), 'sensei_hide_menu_settings_notice', true); break;
+				case 'theme_check': add_user_meta(get_current_user_id(), 'sensei_hide_theme_check_notice', true); break;
 			}
         }
 
         // white list templates that are already support by default and do not show notice for them
-        $template = get_option( 'template' );
+        $template = get_option('template');
 
-        $white_list = array(    'twentyeleven',
+        $white_list = array('twentyeleven',
                                 'twentytwelve',
                                 'twentyfourteen',
                                 'twentyfifteen',
@@ -1389,43 +1389,43 @@ 
                                 'storefront',
                                                 );
 
-        if ( in_array( $template, $white_list ) ) {
+        if (in_array($template, $white_list)) {
 
             return;
 
         }
 
         // don't show the notice if the user chose to hide it
-        $hide_theme_check_notice = get_user_meta( get_current_user_id(), 'sensei_hide_theme_check_notice', true );
-        if(  $hide_theme_check_notice ) {
+        $hide_theme_check_notice = get_user_meta(get_current_user_id(), 'sensei_hide_theme_check_notice', true);
+        if ($hide_theme_check_notice) {
 
             return;
 
         }
 
         // show the notice for themes not supporting sensei
-	    if ( ! current_theme_supports( 'sensei' ) ) {
+	    if ( ! current_theme_supports('sensei')) {
             ?>
 
             <div id="message" class="error sensei-message sensei-connect">
                     <p>
                         <strong>
 
-                            <?php _e('Your theme does not declare Sensei support', 'woothemes-sensei' ); ?>
+                            <?php _e('Your theme does not declare Sensei support', 'woothemes-sensei'); ?>
 
                         </strong> &#8211;
 
-                        <?php _e( 'if you encounter layout issues please read our integration guide or choose a ', 'woothemes-sensei' ); ?>
+                        <?php _e('if you encounter layout issues please read our integration guide or choose a ', 'woothemes-sensei'); ?>
 
-                        <a href="http://www.woothemes.com/product-category/themes/sensei-themes/"> <?php  _e( 'Sensei theme', 'woothemes-sensei' ) ?> </a>
+                        <a href="http://www.woothemes.com/product-category/themes/sensei-themes/"> <?php  _e('Sensei theme', 'woothemes-sensei') ?> </a>
 
                         :)
 
                     </p>
                     <p class="submit">
-                        <a href="<?php echo esc_url( apply_filters( 'sensei_docs_url', 'http://docs.woothemes.com/document/sensei-and-theme-compatibility/', 'theme-compatibility' ) ); ?>" class="button-primary">
+                        <a href="<?php echo esc_url(apply_filters('sensei_docs_url', 'http://docs.woothemes.com/document/sensei-and-theme-compatibility/', 'theme-compatibility')); ?>" class="button-primary">
 
-                            <?php _e( 'Theme Integration Guide', 'woothemes-sensei' ); ?></a> <a class="skip button" href="<?php echo esc_url( add_query_arg( 'sensei_hide_notice', 'theme_check' ) ); ?>"><?php _e( 'Hide this notice', 'woothemes-sensei' ); ?>
+                            <?php _e('Theme Integration Guide', 'woothemes-sensei'); ?></a> <a class="skip button" href="<?php echo esc_url(add_query_arg('sensei_hide_notice', 'theme_check')); ?>"><?php _e('Hide this notice', 'woothemes-sensei'); ?>
 
                         </a>
                     </p>
@@ -1443,7 +1443,7 @@ 
 		wp_get_current_user();
         $user_id = $current_user->ID;
 
-		delete_user_meta( $user_id, 'sensei_hide_theme_check_notice' );
+		delete_user_meta($user_id, 'sensei_hide_theme_check_notice');
 	}
 
 	/**
@@ -1453,8 +1453,8 @@ 
 	 * @param  bool $prevent_access
 	 * @return bool
 	 */
-	public function admin_access( $prevent_access ) {
-		if ( current_user_can( 'manage_sensei_grades' ) ) {
+	public function admin_access($prevent_access) {
+		if (current_user_can('manage_sensei_grades')) {
 			return false;
 		}
 
@@ -1469,12 +1469,12 @@ 
      *
      * @since 1.8.7
      */
-    public  static function install_pages(){
+    public  static function install_pages() {
 
         // only fire on the settings page
-        if( ! isset( $_GET['page'] )
+        if ( ! isset($_GET['page'])
             || 'woothemes-sensei-settings' != $_GET['page']
-            || 1 == get_option('skip_install_sensei_pages') ){
+            || 1 == get_option('skip_install_sensei_pages')) {
 
             return;
 
@@ -1511,8 +1511,8 @@ 
             // Set installed option
             update_option('sensei_installed', 0);
 
-            $complete_url = add_query_arg( 'sensei_install_complete', 'true', $settings_url  );
-            wp_redirect( $complete_url );
+            $complete_url = add_query_arg('sensei_install_complete', 'true', $settings_url);
+            wp_redirect($complete_url);
 
         }
 
@@ -1526,4 +1526,4 @@ 
  * @since 1.9.0
  * @ignore
  */
-class WooThemes_Sensei_Admin extends Sensei_Admin{ }
+class WooThemes_Sensei_Admin extends Sensei_Admin { }

includes/class-sensei-settings-api.php

Spacing +222 added lines, -222 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
+if ( ! defined('ABSPATH')) exit; // Exit if accessed directly
 
 /**
  * A settings API (wrapping the WordPress Settings API).
@@ -31,7 +31,7 @@ 
 	 * @access public
 	 * @since  1.0.0
 	 */
-	public function __construct () {
+	public function __construct() {
 
 		$this->token = 'woothemes-sensei-settings';
 		$this->page_slug = 'woothemes-sensei-settings-api';
@@ -57,9 +57,9 @@ 
 	 */
 	public function register_hook_listener() {
 
-        add_action( 'admin_menu', array( $this, 'register_settings_screen' ), 60 );
-		add_action( 'admin_init', array( $this, 'settings_fields' ) );
-        add_action( 'init', array( $this, 'general_init' ), 5 );
+        add_action('admin_menu', array($this, 'register_settings_screen'), 60);
+		add_action('admin_init', array($this, 'settings_fields'));
+        add_action('init', array($this, 'general_init'), 5);
 
 	} // End setup_settings()
 
@@ -73,7 +73,7 @@ 
 		$this->init_sections();
 		$this->init_fields();
 		$this->get_settings();
-		if ( $this->has_tabs == true ) {
+		if ($this->has_tabs == true) {
 			$this->create_tabs();
 		} // End If Statement
 	} // End general_init()
@@ -84,9 +84,9 @@ 
 	 * @since  1.0.0
 	 * @return void
 	 */
-	public function init_sections () {
+	public function init_sections() {
 		// Override this function in your class and assign the array of sections to $this->sections.
-		_e( 'Override init_sections() in your class.', 'woothemes-sensei' );
+		_e('Override init_sections() in your class.', 'woothemes-sensei');
 	} // End init_sections()
 
 	/**
@@ -95,9 +95,9 @@ 
 	 * @since  1.0.0
 	 * @return void
 	 */
-	public function init_fields () {
+	public function init_fields() {
 		// Override this function in your class and assign the array of sections to $this->fields.
-		_e( 'Override init_fields() in your class.', 'woothemes-sensei' );
+		_e('Override init_fields() in your class.', 'woothemes-sensei');
 	} // End init_fields()
 
 	/**
@@ -106,34 +106,34 @@ 
 	 * @since  1.1.0
 	 * @return void
 	 */
-	public function settings_tabs () {
+	public function settings_tabs() {
 
-		if ( ! $this->has_tabs ) { return; }
+		if ( ! $this->has_tabs) { return; }
 
-		if ( count( $this->tabs ) > 0 ) {
+		if (count($this->tabs) > 0) {
 			$html = '';
 
-			$html .= '<ul id="settings-sections" class="subsubsub hide-if-no-js">' . "\n";
+			$html .= '<ul id="settings-sections" class="subsubsub hide-if-no-js">'."\n";
 
 			$sections = array(
-						'all' => array( 'href' => '#all', 'name' => __( 'All', 'woothemes-sensei' ), 'class' => 'current all tab' )
+						'all' => array('href' => '#all', 'name' => __('All', 'woothemes-sensei'), 'class' => 'current all tab')
 					);
 
-			foreach ( $this->tabs as $k => $v ) {
-				$sections[$k] = array( 'href' => '#' . esc_attr( $k ), 'name' => esc_attr( $v['name'] ), 'class' => 'tab' );
+			foreach ($this->tabs as $k => $v) {
+				$sections[$k] = array('href' => '#'.esc_attr($k), 'name' => esc_attr($v['name']), 'class' => 'tab');
 			}
 
 			$count = 1;
-			foreach ( $sections as $k => $v ) {
+			foreach ($sections as $k => $v) {
 				$count++;
-				$html .= '<li><a href="' . $v['href'] . '"';
-				if ( isset( $v['class'] ) && ( $v['class'] != '' ) ) { $html .= ' class="' . esc_attr( $v['class'] ) . '"'; }
-				$html .= '>' . esc_attr( $v['name'] ) . '</a>';
-				if ( $count <= count( $sections ) ) { $html .= ' | '; }
-				$html .= '</li>' . "\n";
+				$html .= '<li><a href="'.$v['href'].'"';
+				if (isset($v['class']) && ($v['class'] != '')) { $html .= ' class="'.esc_attr($v['class']).'"'; }
+				$html .= '>'.esc_attr($v['name']).'</a>';
+				if ($count <= count($sections)) { $html .= ' | '; }
+				$html .= '</li>'."\n";
 			}
 
-			$html .= '</ul><div class="clear"></div>' . "\n";
+			$html .= '</ul><div class="clear"></div>'."\n";
 
 			echo $html;
 		}
@@ -145,10 +145,10 @@ 
 	 * @since  1.1.0
 	 * @return void
 	 */
-	private function create_tabs () {
-		if ( count( $this->sections ) > 0 ) {
+	private function create_tabs() {
+		if (count($this->sections) > 0) {
 			$tabs = array();
-			foreach ( $this->sections as $k => $v ) {
+			foreach ($this->sections as $k => $v) {
 				$tabs[$k] = $v;
 			}
 
@@ -162,10 +162,10 @@ 
 	 * @since  1.0.0
 	 * @return void
 	 */
-	public function create_sections () {
-		if ( count( $this->sections ) > 0 ) {
-			foreach ( $this->sections as $k => $v ) {
-				add_settings_section( $k, $v['name'], array( $this, 'section_description' ), $this->token );
+	public function create_sections() {
+		if (count($this->sections) > 0) {
+			foreach ($this->sections as $k => $v) {
+				add_settings_section($k, $v['name'], array($this, 'section_description'), $this->token);
 			}
 		}
 	} // End create_sections()
@@ -176,18 +176,18 @@ 
 	 * @since  1.0.0
 	 * @return void
 	 */
-	public function create_fields () {
-		if ( count( $this->sections ) > 0 ) {
+	public function create_fields() {
+		if (count($this->sections) > 0) {
 			// $this->parse_fields( $this->fields );
 
-			foreach ( $this->fields as $k => $v ) {
-				$method = $this->determine_method( $v, 'form' );
+			foreach ($this->fields as $k => $v) {
+				$method = $this->determine_method($v, 'form');
 				$name = $v['name'];
-				if ( $v['type'] == 'info' ) { $name = ''; }
-				add_settings_field( $k, $name, $method, $this->token, $v['section'], array( 'key' => $k, 'data' => $v ) );
+				if ($v['type'] == 'info') { $name = ''; }
+				add_settings_field($k, $name, $method, $this->token, $v['section'], array('key' => $k, 'data' => $v));
 
 				// Let the API know that we have a colourpicker field.
-				if ( $v['type'] == 'range' && $this->has_range == false ) { $this->has_range = true; }
+				if ($v['type'] == 'range' && $this->has_range == false) { $this->has_range = true; }
 			}
 		}
 	} // End create_fields()
@@ -199,43 +199,43 @@ 
 	 * @param  array $data
 	 * @return callable,  array or string
 	 */
-	protected function determine_method ( $data, $type = 'form' ) {
+	protected function determine_method($data, $type = 'form') {
 		$method = '';
 
-		if ( ! in_array( $type, array( 'form', 'validate', 'check' ) ) ) { return; }
+		if ( ! in_array($type, array('form', 'validate', 'check'))) { return; }
 
 		// Check for custom functions.
-		if ( isset( $data[$type] ) ) {
-			if ( function_exists( $data[$type] ) ) {
+		if (isset($data[$type])) {
+			if (function_exists($data[$type])) {
 				$method = $data[$type];
 			}
 
-			if ( $method == '' && method_exists( $this, $data[$type] ) ) {
-				if ( $type == 'form' ) {
-					$method = array( $this, $data[$type] );
+			if ($method == '' && method_exists($this, $data[$type])) {
+				if ($type == 'form') {
+					$method = array($this, $data[$type]);
 				} else {
 					$method = $data[$type];
 				}
 			}
 		}
 
-		if ( $method == '' && method_exists ( $this, $type . '_field_' . $data['type'] ) ) {
-			if ( $type == 'form' ) {
-				$method = array( $this, $type . '_field_' . $data['type'] );
+		if ($method == '' && method_exists($this, $type.'_field_'.$data['type'])) {
+			if ($type == 'form') {
+				$method = array($this, $type.'_field_'.$data['type']);
 			} else {
-				$method = $type . '_field_' . $data['type'];
+				$method = $type.'_field_'.$data['type'];
 			}
 		}
 
-		if ( $method == '' && function_exists ( $this->token . '_' . $type . '_field_' . $data['type'] ) ) {
-			$method = $this->token . '_' . $type . '_field_' . $data['type'];
+		if ($method == '' && function_exists($this->token.'_'.$type.'_field_'.$data['type'])) {
+			$method = $this->token.'_'.$type.'_field_'.$data['type'];
 		}
 
-		if ( $method == '' ) {
-			if ( $type == 'form' ) {
-				$method = array( $this, $type . '_field_text' );
+		if ($method == '') {
+			if ($type == 'form') {
+				$method = array($this, $type.'_field_text');
 			} else {
-				$method = $type . '_field_text';
+				$method = $type.'_field_text';
 			}
 		}
 
@@ -249,10 +249,10 @@ 
 	 * @param  array $fields
 	 * @return void
 	 */
-	public function parse_fields ( $fields ) {
-		foreach ( $fields as $k => $v ) {
-			if ( isset( $v['section'] ) && ( $v['section'] != '' ) && ( isset( $this->sections[$v['section']] ) ) ) {
-				if ( ! isset( $this->sections[$v['section']]['fields'] ) ) {
+	public function parse_fields($fields) {
+		foreach ($fields as $k => $v) {
+			if (isset($v['section']) && ($v['section'] != '') && (isset($this->sections[$v['section']]))) {
+				if ( ! isset($this->sections[$v['section']]['fields'])) {
 					$this->sections[$v['section']]['fields'] = array();
 				}
 
@@ -269,19 +269,19 @@ 
 	 * @since 1.0.0
 	 * @return void
 	 */
-	public function register_settings_screen () {
+	public function register_settings_screen() {
 
-		if ( current_user_can( 'manage_sensei' ) ) {
-			$hook = add_submenu_page( 'sensei', $this->name, $this->menu_label, 'manage_sensei', $this->page_slug, array( $this, 'settings_screen' ) );
+		if (current_user_can('manage_sensei')) {
+			$hook = add_submenu_page('sensei', $this->name, $this->menu_label, 'manage_sensei', $this->page_slug, array($this, 'settings_screen'));
 
 			$this->hook = $hook;
 		}
 
-		if ( isset( $_GET['page'] ) && ( $_GET['page'] == $this->page_slug ) ) {
+		if (isset($_GET['page']) && ($_GET['page'] == $this->page_slug)) {
 
-			add_action( 'admin_notices', array( $this, 'settings_errors' ) );
-			add_action( 'admin_print_scripts', array( $this, 'enqueue_scripts' ) );
-			add_action( 'admin_print_styles', array( $this, 'enqueue_styles' ) );
+			add_action('admin_notices', array($this, 'settings_errors'));
+			add_action('admin_print_scripts', array($this, 'enqueue_scripts'));
+			add_action('admin_print_styles', array($this, 'enqueue_styles'));
 
 		}
 	} // End register_settings_screen()
@@ -292,14 +292,14 @@ 
 	 * @since  1.0.0
 	 * @return void
 	 */
-	public function settings_screen ()
+	public function settings_screen()
     {
 
         ?>
         <div id="woothemes-sensei" class="wrap <?php echo esc_attr($this->token); ?>">
         <?php screen_icon('woothemes-sensei'); ?>
         <h2><?php echo esc_html($this->name); ?><?php if ('' != $this->settings_version) {
-                echo ' <span class="version">' . $this->settings_version . '</span>';
+                echo ' <span class="version">'.$this->settings_version.'</span>';
             } ?></h2>
         <p class="powered-by-woo"><?php _e('Powered by', 'woothemes-sensei'); ?><a href="http://www.woothemes.com/"
                                                                                    title="WooThemes"><img
@@ -313,13 +313,13 @@ 
         $page = 'woothemes-sensei-settings';
         foreach ($this->sections as $section_id => $section) {
 
-            echo '<section id="' . $section_id . '">';
+            echo '<section id="'.$section_id.'">';
 
             if ($section['name'])
                 echo "<h2>{$section['name']}</h2>\n";
 
             echo '<table class="form-table">';
-            do_settings_fields($page, $section_id );
+            do_settings_fields($page, $section_id);
             echo '</table>';
 
             echo '</section>';
@@ -329,7 +329,7 @@ 
         submit_button();
         ?>
 	</form>
-	<?php do_action( 'settings_after_form' ); ?>
+	<?php do_action('settings_after_form'); ?>
 </div><!--/#woothemes-sensei-->
 <?php
 	} // End settings_screen()
@@ -340,15 +340,15 @@ 
 	 * @since  1.0.0
 	 * @return array
 	 */
-	public function get_settings () {
+	public function get_settings() {
 
-        $this->settings = get_option( $this->token, array() );
+        $this->settings = get_option($this->token, array());
 
-		foreach ( $this->fields as $k => $v ) {
-			if ( ! isset( $this->settings[$k] ) && isset( $v['default'] ) ) {
+		foreach ($this->fields as $k => $v) {
+			if ( ! isset($this->settings[$k]) && isset($v['default'])) {
 				$this->settings[$k] = $v['default'];
 			}
-			if ( $v['type'] == 'checkbox' && $this->settings[$k] != true ) {
+			if ($v['type'] == 'checkbox' && $this->settings[$k] != true) {
 				$this->settings[$k] = 0;
 			}
 		}
@@ -362,8 +362,8 @@ 
 	 * @since  1.0.0
 	 * @return void
 	 */
-	public function settings_fields () {
-		register_setting( $this->token, $this->token, array( $this, 'validate_fields' ) );
+	public function settings_fields() {
+		register_setting($this->token, $this->token, array($this, 'validate_fields'));
 		$this->create_sections();
 		$this->create_fields();
 	} // End settings_fields()
@@ -374,8 +374,8 @@ 
 	 * @since  1.0.0
 	 * @return void
 	 */
-	public function settings_errors () {
-        settings_errors( $this->token . '-errors' );
+	public function settings_errors() {
+        settings_errors($this->token.'-errors');
 	} // End settings_errors()
 
 	/**
@@ -384,9 +384,9 @@ 
 	 * @since  1.0.0
 	 * @return void
 	 */
-	public function section_description ( $section ) {
-		if ( isset( $this->sections[$section['id']]['description'] ) ) {
-			echo wpautop( $this->sections[$section['id']]['description'] );
+	public function section_description($section) {
+		if (isset($this->sections[$section['id']]['description'])) {
+			echo wpautop($this->sections[$section['id']]['description']);
 		}
 	} // End section_description_main()
 
@@ -397,12 +397,12 @@ 
 	 * @param  array $args
 	 * @return void
 	 */
-	public function form_field_text ( $args ) {
+	public function form_field_text($args) {
 		$options = $this->get_settings();
 
-		echo '<input id="' . esc_attr( $args['key'] ) . '" name="' . $this->token . '[' . esc_attr( $args['key'] ) . ']" size="40" type="text" value="' . esc_attr( $options[$args['key']] ) . '" />' . "\n";
-		if ( isset( $args['data']['description'] ) ) {
-			echo '<span class="description">' . $args['data']['description'] . '</span>' . "\n";
+		echo '<input id="'.esc_attr($args['key']).'" name="'.$this->token.'['.esc_attr($args['key']).']" size="40" type="text" value="'.esc_attr($options[$args['key']]).'" />'."\n";
+		if (isset($args['data']['description'])) {
+			echo '<span class="description">'.$args['data']['description'].'</span>'."\n";
 		}
 	} // End form_field_text()
 
@@ -413,13 +413,13 @@ 
 	 * @param  array $args
 	 * @return void
 	 */
-	public function form_field_color ( $args ) {
+	public function form_field_color($args) {
 		$options = $this->get_settings();
 
-		echo '<input id="' . esc_attr( $args['key'] ) . '" name="' . $this->token . '[' . esc_attr( $args['key'] ) . ']" size="40" type="text" class="color" value="' . esc_attr( $options[$args['key']] ) . '" />' . "\n";
+		echo '<input id="'.esc_attr($args['key']).'" name="'.$this->token.'['.esc_attr($args['key']).']" size="40" type="text" class="color" value="'.esc_attr($options[$args['key']]).'" />'."\n";
 		echo '<div style="position:absolute;background:#FFF;z-index:99;border-radius:100%;" class="colorpicker"></div>';
-		if ( isset( $args['data']['description'] ) ) {
-			echo '<span class="description">' . $args['data']['description'] . '</span>' . "\n";
+		if (isset($args['data']['description'])) {
+			echo '<span class="description">'.$args['data']['description'].'</span>'."\n";
 		}
 	} // End form_field_text()
 
@@ -430,22 +430,22 @@ 
 	 * @param  array $args
 	 * @return void
 	 */
-	public function form_field_checkbox ( $args ) {
+	public function form_field_checkbox($args) {
 		$options = $this->get_settings();
 
 		$has_description = false;
-		if ( isset( $args['data']['description'] ) ) {
+		if (isset($args['data']['description'])) {
 			$has_description = true;
-			echo '<label for="' . esc_attr( $args['key'] ) . '">' . "\n";
+			echo '<label for="'.esc_attr($args['key']).'">'."\n";
 		}
-		echo '<input id="' . $args['key'] . '" name="' . $this->token . '[' . esc_attr( $args['key'] ) . ']" type="checkbox" value="1"' . checked( esc_attr( $options[$args['key']] ), '1', false ) . ' />' . "\n";
-		if ( $has_description ) {
-			echo wp_kses( $args['data']['description'], array( 'a' => array(
+		echo '<input id="'.$args['key'].'" name="'.$this->token.'['.esc_attr($args['key']).']" type="checkbox" value="1"'.checked(esc_attr($options[$args['key']]), '1', false).' />'."\n";
+		if ($has_description) {
+			echo wp_kses($args['data']['description'], array('a' => array(
 																	        'href' => array(),
 																	        'title' => array()
 																	    )
 															)
-						) . '</label>' . "\n";
+						).'</label>'."\n";
 		}
 	} // End form_field_checkbox()
 
@@ -456,12 +456,12 @@ 
 	 * @param  array $args
 	 * @return void
 	 */
-	public function form_field_textarea ( $args ) {
+	public function form_field_textarea($args) {
 		$options = $this->get_settings();
 
-		echo '<textarea id="' . esc_attr( $args['key'] ) . '" name="' . $this->token . '[' . esc_attr( $args['key'] ) . ']" cols="42" rows="5">' . esc_html( $options[$args['key']] ) . '</textarea>' . "\n";
-		if ( isset( $args['data']['description'] ) ) {
-			echo '<p><span class="description">' . esc_html( $args['data']['description'] ) . '</span></p>' . "\n";
+		echo '<textarea id="'.esc_attr($args['key']).'" name="'.$this->token.'['.esc_attr($args['key']).']" cols="42" rows="5">'.esc_html($options[$args['key']]).'</textarea>'."\n";
+		if (isset($args['data']['description'])) {
+			echo '<p><span class="description">'.esc_html($args['data']['description']).'</span></p>'."\n";
 		}
 	} // End form_field_textarea()
 
@@ -472,20 +472,20 @@ 
 	 * @param  array $args
 	 * @return void
 	 */
-	public function form_field_select ( $args ) {
+	public function form_field_select($args) {
 		$options = $this->get_settings();
 
-		if ( isset( $args['data']['options'] ) && ( count( (array)$args['data']['options'] ) > 0 ) ) {
+		if (isset($args['data']['options']) && (count((array) $args['data']['options']) > 0)) {
 			$html = '';
-			$html .= '<select class="" id="' . esc_attr( $args['key'] ) . '" name="' . esc_attr( $this->token ) . '[' . esc_attr( $args['key'] ) . ']">' . "\n";
-				foreach ( $args['data']['options'] as $k => $v ) {
-					$html .= '<option value="' . esc_attr( $k ) . '"' . selected( esc_attr( $options[$args['key']] ), $k, false ) . '>' . $v . '</option>' . "\n";
+			$html .= '<select class="" id="'.esc_attr($args['key']).'" name="'.esc_attr($this->token).'['.esc_attr($args['key']).']">'."\n";
+				foreach ($args['data']['options'] as $k => $v) {
+					$html .= '<option value="'.esc_attr($k).'"'.selected(esc_attr($options[$args['key']]), $k, false).'>'.$v.'</option>'."\n";
 				}
-			$html .= '</select>' . "\n";
+			$html .= '</select>'."\n";
 			echo $html;
 
-			if ( isset( $args['data']['description'] ) ) {
-				echo '<p><span class="description">' . esc_html( $args['data']['description'] ) . '</span></p>' . "\n";
+			if (isset($args['data']['description'])) {
+				echo '<p><span class="description">'.esc_html($args['data']['description']).'</span></p>'."\n";
 			}
 		}
 	} // End form_field_select()
@@ -497,18 +497,18 @@ 
 	 * @param  array $args
 	 * @return void
 	 */
-	public function form_field_radio ( $args ) {
+	public function form_field_radio($args) {
 		$options = $this->get_settings();
 
-		if ( isset( $args['data']['options'] ) && ( count( (array)$args['data']['options'] ) > 0 ) ) {
+		if (isset($args['data']['options']) && (count((array) $args['data']['options']) > 0)) {
 			$html = '';
-			foreach ( $args['data']['options'] as $k => $v ) {
-				$html .= '<input type="radio" name="' . $this->token . '[' . esc_attr( $args['key'] ) . ']" value="' . esc_attr( $k ) . '"' . checked( esc_attr( $options[$args['key']] ), $k, false ) . ' /> ' . $v . '<br />' . "\n";
+			foreach ($args['data']['options'] as $k => $v) {
+				$html .= '<input type="radio" name="'.$this->token.'['.esc_attr($args['key']).']" value="'.esc_attr($k).'"'.checked(esc_attr($options[$args['key']]), $k, false).' /> '.$v.'<br />'."\n";
 			}
 			echo $html;
 
-			if ( isset( $args['data']['description'] ) ) {
-				echo '<span class="description">' . esc_html( $args['data']['description'] ) . '</span>' . "\n";
+			if (isset($args['data']['description'])) {
+				echo '<span class="description">'.esc_html($args['data']['description']).'</span>'."\n";
 			}
 		}
 	} // End form_field_radio()
@@ -520,28 +520,28 @@ 
 	 * @param  array $args
 	 * @return void
 	 */
-	public function form_field_multicheck ( $args ) {
+	public function form_field_multicheck($args) {
 		$options = $this->get_settings();
 
-		if ( isset( $args['data']['options'] ) && ( count( (array)$args['data']['options'] ) > 0 ) ) {
-			$html = '<div class="multicheck-container" style="margin-bottom:10px;">' . "\n";
-			foreach ( $args['data']['options'] as $k => $v ) {
+		if (isset($args['data']['options']) && (count((array) $args['data']['options']) > 0)) {
+			$html = '<div class="multicheck-container" style="margin-bottom:10px;">'."\n";
+			foreach ($args['data']['options'] as $k => $v) {
 				$checked = '';
 
-				if( isset( $options[ $args['key'] ] ) ) {
-					if ( in_array( $k, (array)$options[ $args['key'] ] ) ) { $checked = ' checked="checked"'; }
+				if (isset($options[$args['key']])) {
+					if (in_array($k, (array) $options[$args['key']])) { $checked = ' checked="checked"'; }
 				} else {
-					if ( in_array( $k, $args['data']['defaults'] ) ) { $checked = ' checked="checked"'; }
+					if (in_array($k, $args['data']['defaults'])) { $checked = ' checked="checked"'; }
 				}
-				$html .= '<label for="checkbox-' . esc_attr( $k ) . '">' . "\n";
-				$html .= '<input type="checkbox" name="' . esc_attr( $this->token ) . '[' . esc_attr( $args['key'] ) . '][]" class="multicheck multicheck-' . esc_attr( $args['key'] ) . '" value="' . esc_attr( $k ) . '" id="checkbox-' . esc_attr( $k ) . '" ' . $checked . ' /> ' . $v . "\n";
-				$html .= '</label><br />' . "\n";
+				$html .= '<label for="checkbox-'.esc_attr($k).'">'."\n";
+				$html .= '<input type="checkbox" name="'.esc_attr($this->token).'['.esc_attr($args['key']).'][]" class="multicheck multicheck-'.esc_attr($args['key']).'" value="'.esc_attr($k).'" id="checkbox-'.esc_attr($k).'" '.$checked.' /> '.$v."\n";
+				$html .= '</label><br />'."\n";
 			}
-			$html .= '</div>' . "\n";
+			$html .= '</div>'."\n";
 			echo $html;
 
-			if ( isset( $args['data']['description'] ) ) {
-				echo '<span class="description">' . esc_html( $args['data']['description'] ) . '</span>' . "\n";
+			if (isset($args['data']['description'])) {
+				echo '<span class="description">'.esc_html($args['data']['description']).'</span>'."\n";
 			}
 		}
 	} // End form_field_multicheck()
@@ -553,20 +553,20 @@ 
 	 * @param  array $args
 	 * @return void
 	 */
-	public function form_field_range ( $args ) {
+	public function form_field_range($args) {
 		$options = $this->get_settings();
 
-		if ( isset( $args['data']['options'] ) && ( count( (array)$args['data']['options'] ) > 0 ) ) {
+		if (isset($args['data']['options']) && (count((array) $args['data']['options']) > 0)) {
 			$html = '';
-			$html .= '<select id="' . esc_attr( $args['key'] ) . '" name="' . esc_attr( $this->token ) . '[' . esc_attr( $args['key'] ) . ']" class="range-input">' . "\n";
-				foreach ( $args['data']['options'] as $k => $v ) {
-					$html .= '<option value="' . esc_attr( $k ) . '"' . selected( esc_attr( $options[$args['key']] ), $k, false ) . '>' . $v . '</option>' . "\n";
+			$html .= '<select id="'.esc_attr($args['key']).'" name="'.esc_attr($this->token).'['.esc_attr($args['key']).']" class="range-input">'."\n";
+				foreach ($args['data']['options'] as $k => $v) {
+					$html .= '<option value="'.esc_attr($k).'"'.selected(esc_attr($options[$args['key']]), $k, false).'>'.$v.'</option>'."\n";
 				}
-			$html .= '</select>' . "\n";
+			$html .= '</select>'."\n";
 			echo $html;
 
-			if ( isset( $args['data']['description'] ) ) {
-				echo '<p><span class="description">' . esc_html( $args['data']['description'] ) . '</span></p>' . "\n";
+			if (isset($args['data']['description'])) {
+				echo '<p><span class="description">'.esc_html($args['data']['description']).'</span></p>'."\n";
 			}
 		}
 	} // End form_field_range()
@@ -578,18 +578,18 @@ 
 	 * @param  array $args
 	 * @return void
 	 */
-	public function form_field_images ( $args ) {
+	public function form_field_images($args) {
 		$options = $this->get_settings();
 
-		if ( isset( $args['data']['options'] ) && ( count( (array)$args['data']['options'] ) > 0 ) ) {
+		if (isset($args['data']['options']) && (count((array) $args['data']['options']) > 0)) {
 			$html = '';
-			foreach ( $args['data']['options'] as $k => $v ) {
-				$html .= '<input type="radio" name="' . esc_attr( $this->token ) . '[' . esc_attr( $args['key'] ) . ']" value="' . esc_attr( $k ) . '"' . checked( esc_attr( $options[$args['key']] ), $k, false ) . ' /> ' . $v . '<br />' . "\n";
+			foreach ($args['data']['options'] as $k => $v) {
+				$html .= '<input type="radio" name="'.esc_attr($this->token).'['.esc_attr($args['key']).']" value="'.esc_attr($k).'"'.checked(esc_attr($options[$args['key']]), $k, false).' /> '.$v.'<br />'."\n";
 			}
 			echo $html;
 
-			if ( isset( $args['data']['description'] ) ) {
-				echo '<span class="description">' . esc_html( $args['data']['description'] ) . '</span>' . "\n";
+			if (isset($args['data']['description'])) {
+				echo '<span class="description">'.esc_html($args['data']['description']).'</span>'."\n";
 			}
 		}
 	} // End form_field_images()
@@ -601,19 +601,19 @@ 
 	 * @param  array $args
 	 * @return void
 	 */
-	public function form_field_info ( $args ) {
+	public function form_field_info($args) {
 		$class = '';
-		if ( isset( $args['data']['class'] ) ) {
-			$class = ' ' . esc_attr( $args['data']['class'] );
+		if (isset($args['data']['class'])) {
+			$class = ' '.esc_attr($args['data']['class']);
 		}
-		$html = '<div id="' . $args['key'] . '" class="info-box' . $class . '">' . "\n";
-		if ( isset( $args['data']['name'] ) && ( $args['data']['name'] != '' ) ) {
-			$html .= '<h3 class="title">' . esc_html( $args['data']['name'] ) . '</h3>' . "\n";
+		$html = '<div id="'.$args['key'].'" class="info-box'.$class.'">'."\n";
+		if (isset($args['data']['name']) && ($args['data']['name'] != '')) {
+			$html .= '<h3 class="title">'.esc_html($args['data']['name']).'</h3>'."\n";
 		}
-		if ( isset( $args['data']['description'] ) && ( $args['data']['description'] != '' ) ) {
-			$html .= '<p>' . esc_html( $args['data']['description'] ) . '</p>' . "\n";
+		if (isset($args['data']['description']) && ($args['data']['description'] != '')) {
+			$html .= '<p>'.esc_html($args['data']['description']).'</p>'."\n";
 		}
-		$html .= '</div>' . "\n";
+		$html .= '</div>'."\n";
 
 		echo $html;
 	} // End form_field_info()
@@ -625,14 +625,14 @@ 
 	 * @since  1.9.0
 	 * @param  array $args
 	 */
-	public function form_field_button( $args ) {
+	public function form_field_button($args) {
 		$options = $this->get_settings();
 
-		if ( isset( $args['data']['target'] ) && isset( $args['data']['label'] ) ) {
-			printf( '<a href="%s" class="button button-secondary">%s</a> ', esc_url( $args['data']['target'] ), esc_html( $args['data']['label'] ) );
+		if (isset($args['data']['target']) && isset($args['data']['label'])) {
+			printf('<a href="%s" class="button button-secondary">%s</a> ', esc_url($args['data']['target']), esc_html($args['data']['label']));
 
-			if ( isset( $args['data']['description'] ) ) {
-				echo '<span class="description">' . esc_html( $args['data']['description'] ) . '</span>' . "\n";
+			if (isset($args['data']['description'])) {
+				echo '<span class="description">'.esc_html($args['data']['description']).'</span>'."\n";
 			}
 		}
 	} // End form_field_button()
@@ -646,23 +646,23 @@ 
 	 * @uses   $this->parse_errors()
 	 * @return array $options
 	 */
-	public function validate_fields ( $input ) {
+	public function validate_fields($input) {
 		$options = $this->get_settings();
 
-		foreach ( $this->fields as $k => $v ) {
+		foreach ($this->fields as $k => $v) {
 			// Make sure checkboxes are present even when false.
-			if ( $v['type'] == 'checkbox' && ! isset( $input[$k] ) ) { $input[$k] = false; }
-			if ( $v['type'] == 'multicheck' && ! isset( $input[$k] ) ) { $input[$k] = false; }
+			if ($v['type'] == 'checkbox' && ! isset($input[$k])) { $input[$k] = false; }
+			if ($v['type'] == 'multicheck' && ! isset($input[$k])) { $input[$k] = false; }
 
-			if ( isset( $input[$k] ) ) {
+			if (isset($input[$k])) {
 				// Perform checks on required fields.
-				if ( isset( $v['required'] ) && ( $v['required'] == true ) ) {
-					if ( in_array( $v['type'], $this->get_array_field_types() ) && ( count( (array) $input[$k] ) <= 0 ) ) {
-						$this->add_error( $k, $v );
+				if (isset($v['required']) && ($v['required'] == true)) {
+					if (in_array($v['type'], $this->get_array_field_types()) && (count((array) $input[$k]) <= 0)) {
+						$this->add_error($k, $v);
 						continue;
 					} else {
-						if ( $input[$k] == '' ) {
-							$this->add_error( $k, $v );
+						if ($input[$k] == '') {
+							$this->add_error($k, $v);
 							continue;
 						}
 					}
@@ -671,28 +671,28 @@ 
 				$value = $input[$k];
 
 				// Check if the field is valid.
-				$method = $this->determine_method( $v, 'check' );
+				$method = $this->determine_method($v, 'check');
 
-				if ( function_exists ( $method ) ) {
-					$is_valid = $method( $value );
+				if (function_exists($method)) {
+					$is_valid = $method($value);
 				} else {
-					if ( method_exists( $this, $method ) ) {
-						$is_valid = $this->$method( $value );
+					if (method_exists($this, $method)) {
+						$is_valid = $this->$method($value);
 					}
 				}
 
-				if ( ! $is_valid ) {
-					$this->add_error( $k, $v );
+				if ( ! $is_valid) {
+					$this->add_error($k, $v);
 					continue;
 				}
 
-				$method = $this->determine_method( $v, 'validate' );
+				$method = $this->determine_method($v, 'validate');
 
-				if ( function_exists ( $method ) ) {
-					$options[$k] = $method( $value );
+				if (function_exists($method)) {
+					$options[$k] = $method($value);
 				} else {
-					if ( method_exists( $this, $method ) ) {
-						$options[$k] = $this->$method( $value );
+					if (method_exists($this, $method)) {
+						$options[$k] = $this->$method($value);
 					}
 				}
 			}
@@ -710,8 +710,8 @@ 
 	 * @param  string $input
 	 * @return string
 	 */
-	public function validate_field_text ( $input ) {
-		return trim( esc_attr( $input ) );
+	public function validate_field_text($input) {
+		return trim(esc_attr($input));
 	} // End validate_field_text()
 
 	/**
@@ -721,11 +721,11 @@ 
 	 * @param  string $input
 	 * @return string
 	 */
-	public function validate_field_checkbox ( $input ) {
-		if ( ! isset( $input ) ) {
+	public function validate_field_checkbox($input) {
+		if ( ! isset($input)) {
 			return 0;
 		} else {
-			return (bool)$input;
+			return (bool) $input;
 		}
 	} // End validate_field_checkbox()
 
@@ -736,10 +736,10 @@ 
 	 * @param  string $input
 	 * @return string
 	 */
-	public function validate_field_multicheck ( $input ) {
+	public function validate_field_multicheck($input) {
 		$input = (array) $input;
 
-		$input = array_map( 'esc_attr', $input );
+		$input = array_map('esc_attr', $input);
 
 		return $input;
 	} // End validate_field_multicheck()
@@ -751,8 +751,8 @@ 
 	 * @param  string $input
 	 * @return string
 	 */
-	public function validate_field_range ( $input ) {
-		$input = number_format( floatval( $input ), 0 );
+	public function validate_field_range($input) {
+		$input = number_format(floatval($input), 0);
 
 		return $input;
 	} // End validate_field_range()
@@ -764,8 +764,8 @@ 
 	 * @param  string $input
 	 * @return string
 	 */
-	public function validate_field_url ( $input ) {
-		return trim( esc_url( $input ) );
+	public function validate_field_url($input) {
+		return trim(esc_url($input));
 	} // End validate_field_url()
 
 	/**
@@ -774,7 +774,7 @@ 
 	 * @since  1.1.0
 	 * @return boolean Is the value valid?
 	 */
-	public function check_field_text ( $input ) {
+	public function check_field_text($input) {
 		$is_valid = true;
 
 		return $is_valid;
@@ -788,11 +788,11 @@ 
 	 * @param  array $data
 	 * @return void
 	 */
-	protected function add_error ( $key, $data ) {
-		if ( isset( $data['error_message'] ) ) {
+	protected function add_error($key, $data) {
+		if (isset($data['error_message'])) {
 			$message = $data['error_message'];
 		} else {
-			$message = sprintf( __( '%s is a required field', 'woothemes-sensei' ), $data['name'] );
+			$message = sprintf(__('%s is a required field', 'woothemes-sensei'), $data['name']);
 		}
 		$this->errors[$key] = $message;
 	} // End add_error()
@@ -803,14 +803,14 @@ 
 	 * @since   1.0.0
 	 * @return  void
 	 */
-	protected function parse_errors () {
-		if ( count ( $this->errors ) > 0 ) {
-			foreach ( $this->errors as $k => $v ) {
-				add_settings_error( $this->token . '-errors', $k, $v, 'error' );
+	protected function parse_errors() {
+		if (count($this->errors) > 0) {
+			foreach ($this->errors as $k => $v) {
+				add_settings_error($this->token.'-errors', $k, $v, 'error');
 			}
 		} else {
-			$message = sprintf( __( '%s updated', 'woothemes-sensei' ), $this->name );
-			add_settings_error( $this->token . '-errors', $this->token, $message, 'updated' );
+			$message = sprintf(__('%s updated', 'woothemes-sensei'), $this->name);
+			add_settings_error($this->token.'-errors', $this->token, $message, 'updated');
 		}
 	} // End parse_errors()
 
@@ -820,8 +820,8 @@ 
 	 * @since  1.0.0
 	 * @return array
 	 */
-	protected function get_array_field_types () {
-		return array( 'multicheck' );
+	protected function get_array_field_types() {
+		return array('multicheck');
 	} // End get_array_field_types()
 
 	/**
@@ -830,21 +830,21 @@ 
 	 * @since  1.0.0
 	 * @return void
 	 */
-	public function enqueue_scripts () {
+	public function enqueue_scripts() {
 
-        $suffix = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
+        $suffix = defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ? '' : '.min';
 
-		wp_enqueue_script( 'farbtastic' );
-		wp_enqueue_script( 'woothemes-sensei-settings', esc_url( Sensei()->plugin_url . 'assets/js/settings' . $suffix . '.js' ), array( 'jquery', 'farbtastic' ), Sensei()->version );
+		wp_enqueue_script('farbtastic');
+		wp_enqueue_script('woothemes-sensei-settings', esc_url(Sensei()->plugin_url.'assets/js/settings'.$suffix.'.js'), array('jquery', 'farbtastic'), Sensei()->version);
 
-		if ( $this->has_range ) {
-			wp_enqueue_script( 'woothemes-sensei-settings-ranges', esc_url( Sensei()->plugin_url . 'assets/js/ranges' . $suffix . '.js' ), array( 'jquery-ui-slider' ), Sensei()->version );
+		if ($this->has_range) {
+			wp_enqueue_script('woothemes-sensei-settings-ranges', esc_url(Sensei()->plugin_url.'assets/js/ranges'.$suffix.'.js'), array('jquery-ui-slider'), Sensei()->version);
 		}
 
-		wp_register_script( 'woothemes-sensei-settings-imageselectors', esc_url( Sensei()->plugin_url . 'assets/js/image-selectors' . $suffix . '.js' ), array( 'jquery' ), Sensei()->version );
+		wp_register_script('woothemes-sensei-settings-imageselectors', esc_url(Sensei()->plugin_url.'assets/js/image-selectors'.$suffix.'.js'), array('jquery'), Sensei()->version);
 
-		if ( $this->has_imageselector ) {
-			wp_enqueue_script( 'woothemes-sensei-settings-imageselectors' );
+		if ($this->has_imageselector) {
+			wp_enqueue_script('woothemes-sensei-settings-imageselectors');
 		}
 
 	} // End enqueue_scripts()
@@ -855,12 +855,12 @@ 
 	 * @since  1.0.0
 	 * @return void
 	 */
-	public function enqueue_styles () {
+	public function enqueue_styles() {
 
-		wp_enqueue_style( $this->token . '-admin' );
+		wp_enqueue_style($this->token.'-admin');
 
-		wp_enqueue_style( 'farbtastic' );
-		wp_enqueue_style( 'woothemes-sensei-settings-api', esc_url( Sensei()->plugin_url . 'assets/css/settings.css' ), array( 'farbtastic' ), Sensei()->version );
+		wp_enqueue_style('farbtastic');
+		wp_enqueue_style('woothemes-sensei-settings-api', esc_url(Sensei()->plugin_url.'assets/css/settings.css'), array('farbtastic'), Sensei()->version);
 
 		$this->enqueue_field_styles();
 	} // End enqueue_styles()
@@ -871,16 +871,16 @@ 
 	 * @since  1.0.0
 	 * @return void
 	 */
-	public function enqueue_field_styles () {
+	public function enqueue_field_styles() {
 
-		if ( $this->has_range ) {
-			wp_enqueue_style( 'woothemes-sensei-settings-ranges', esc_url( Sensei()->plugin_url . 'assets/css/ranges.css' ), '', Sensei()->version );
+		if ($this->has_range) {
+			wp_enqueue_style('woothemes-sensei-settings-ranges', esc_url(Sensei()->plugin_url.'assets/css/ranges.css'), '', Sensei()->version);
 		}
 
-		wp_register_style( 'woothemes-sensei-settings-imageselectors', esc_url( Sensei()->plugin_url . 'assets/css/image-selectors.css' ), '', Sensei()->version );
+		wp_register_style('woothemes-sensei-settings-imageselectors', esc_url(Sensei()->plugin_url.'assets/css/image-selectors.css'), '', Sensei()->version);
 
-		if ( $this->has_imageselector ) {
-			wp_enqueue_style( 'woothemes-sensei-settings-imageselectors' );
+		if ($this->has_imageselector) {
+			wp_enqueue_style('woothemes-sensei-settings-imageselectors');
 		}
 	} // End enqueue_field_styles()
 } // End Class
@@ -890,4 +890,4 @@ 
  * @ignore only for backward compatibility
  * @since 1.9.0
  */
-class WooThemes_Sensei_Settings_API extends Sensei_Settings_API{}
+class WooThemes_Sensei_Settings_API extends Sensei_Settings_API {}

includes/class-sensei-analysis-overview-list-table.php

Spacing +177 added lines, -177 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
+if ( ! defined('ABSPATH')) exit; // Exit if accessed directly
 
 /**
  * Analysis Overview Data Table.
@@ -18,17 +18,17 @@ 
 	 * @since  1.2.0
 	 * @return  void
 	 */
-	public function __construct ( $type = 'users' ) {
-		$this->type = in_array( $type, array( 'courses', 'lessons', 'users' ) ) ? $type : 'users';
+	public function __construct($type = 'users') {
+		$this->type = in_array($type, array('courses', 'lessons', 'users')) ? $type : 'users';
 
 		// Load Parent token into constructor
-		parent::__construct( 'analysis_overview' );
+		parent::__construct('analysis_overview');
 
 		// Actions
-		add_action( 'sensei_before_list_table', array( $this, 'data_table_header' ) );
-		add_action( 'sensei_after_list_table', array( $this, 'data_table_footer' ) );
+		add_action('sensei_before_list_table', array($this, 'data_table_header'));
+		add_action('sensei_after_list_table', array($this, 'data_table_footer'));
 
-		add_filter( 'sensei_list_table_search_button_text', array( $this, 'search_button' ) );
+		add_filter('sensei_list_table_search_button_text', array($this, 'search_button'));
 	} // End __construct()
 
 	/**
@@ -38,41 +38,41 @@ 
 	 */
 	function get_columns() {
 
-		switch( $this->type ) {
+		switch ($this->type) {
 			case 'courses':
 				$columns = array(
-					'title' => __( 'Course', 'woothemes-sensei' ),
-					'students' => __( 'Learners', 'woothemes-sensei' ),
-					'lessons' => __( 'Lessons', 'woothemes-sensei' ),
-					'completions' => __( 'Completed', 'woothemes-sensei' ),
-					'average_percent' => __( 'Average Percentage', 'woothemes-sensei' ),
+					'title' => __('Course', 'woothemes-sensei'),
+					'students' => __('Learners', 'woothemes-sensei'),
+					'lessons' => __('Lessons', 'woothemes-sensei'),
+					'completions' => __('Completed', 'woothemes-sensei'),
+					'average_percent' => __('Average Percentage', 'woothemes-sensei'),
 				);
 				break;
 
 			case 'lessons':
 				$columns = array(
-					'title' => __( 'Lesson', 'woothemes-sensei' ),
-					'course' => __( 'Course', 'woothemes-sensei' ),
-					'students' => __( 'Learners', 'woothemes-sensei' ),
-					'completions' => __( 'Completed', 'woothemes-sensei' ),
-					'average_grade' => __( 'Average Grade', 'woothemes-sensei' ),
+					'title' => __('Lesson', 'woothemes-sensei'),
+					'course' => __('Course', 'woothemes-sensei'),
+					'students' => __('Learners', 'woothemes-sensei'),
+					'completions' => __('Completed', 'woothemes-sensei'),
+					'average_grade' => __('Average Grade', 'woothemes-sensei'),
 				);
 				break;
 
 			case 'users':
 			default:
 				$columns = array(
-					'title' => __( 'Learner', 'woothemes-sensei' ),
-					'registered' => __( 'Date Registered', 'woothemes-sensei' ),
-					'active_courses' => __( 'Active Courses', 'woothemes-sensei' ),
-					'completed_courses' => __( 'Completed Courses', 'woothemes-sensei' ),
-					'average_grade' => __( 'Average Grade', 'woothemes-sensei' ),
+					'title' => __('Learner', 'woothemes-sensei'),
+					'registered' => __('Date Registered', 'woothemes-sensei'),
+					'active_courses' => __('Active Courses', 'woothemes-sensei'),
+					'completed_courses' => __('Completed Courses', 'woothemes-sensei'),
+					'average_grade' => __('Average Grade', 'woothemes-sensei'),
 				);
 				break;
 		}
 		// Backwards compatible filter name, moving forward should have single filter name
-		$columns = apply_filters( 'sensei_analysis_overview_' . $this->type . '_columns', $columns, $this );
-		$columns = apply_filters( 'sensei_analysis_overview_columns', $columns, $this );
+		$columns = apply_filters('sensei_analysis_overview_'.$this->type.'_columns', $columns, $this);
+		$columns = apply_filters('sensei_analysis_overview_columns', $columns, $this);
 		return $columns;
 	}
 
@@ -83,41 +83,41 @@ 
 	 */
 	function get_sortable_columns() {
 
-		switch( $this->type ) {
+		switch ($this->type) {
 			case 'courses':
 				$columns = array(
-					'title' => array( 'title', false ),
-					'students' => array( 'students', false ),
-					'lessons' => array( 'lessons', false ),
-					'completions' => array( 'completions', false ),
-					'average_percent' => array( 'average_percent', false ),
+					'title' => array('title', false),
+					'students' => array('students', false),
+					'lessons' => array('lessons', false),
+					'completions' => array('completions', false),
+					'average_percent' => array('average_percent', false),
 				);
 				break;
 
 			case 'lessons':
 				$columns = array(
-					'title' => array( 'title', false ),
-					'course' => array( 'course', false ),
-					'students' => array( 'students', false ),
-					'completions' => array( 'completions', false ),
-					'average_grade' => array( 'average_grade', false ),
+					'title' => array('title', false),
+					'course' => array('course', false),
+					'students' => array('students', false),
+					'completions' => array('completions', false),
+					'average_grade' => array('average_grade', false),
 				);
 				break;
 
 			case 'users':
 			default:
 				$columns = array(
-					'title' => array( 'user_login', false ),
-					'registered' => array( 'registered', false ),
-					'active_courses' => array( 'active_courses', false ),
-					'completed_courses' => array( 'completed_courses', false ),
-					'average_grade' => array( 'average_grade', false )
+					'title' => array('user_login', false),
+					'registered' => array('registered', false),
+					'active_courses' => array('active_courses', false),
+					'completed_courses' => array('completed_courses', false),
+					'average_grade' => array('average_grade', false)
 				);
 				break;
 		}
 		// Backwards compatible filter name, moving forward should have single filter name
-		$columns = apply_filters( 'sensei_analysis_overview_' . $this->type . '_columns_sortable', $columns, $this );
-		$columns = apply_filters( 'sensei_analysis_overview_columns_sortable', $columns, $this );
+		$columns = apply_filters('sensei_analysis_overview_'.$this->type.'_columns_sortable', $columns, $this);
+		$columns = apply_filters('sensei_analysis_overview_columns_sortable', $columns, $this);
 		return $columns;
 	}
 
@@ -131,25 +131,25 @@ 
 
 		// Handle orderby
 		$orderby = '';
-		if ( !empty( $_GET['orderby'] ) ) {
-			if ( array_key_exists( esc_html( $_GET['orderby'] ), $this->get_sortable_columns() ) ) {
-				$orderby = esc_html( $_GET['orderby'] );
+		if ( ! empty($_GET['orderby'])) {
+			if (array_key_exists(esc_html($_GET['orderby']), $this->get_sortable_columns())) {
+				$orderby = esc_html($_GET['orderby']);
 			} // End If Statement
 		}
 
 		// Handle order
 		$order = 'ASC';
-		if ( !empty( $_GET['order'] ) ) {
-			$order = ( 'ASC' == strtoupper($_GET['order']) ) ? 'ASC' : 'DESC';
+		if ( ! empty($_GET['order'])) {
+			$order = ('ASC' == strtoupper($_GET['order'])) ? 'ASC' : 'DESC';
 		}
 
-		$per_page = $this->get_items_per_page( 'sensei_comments_per_page' );
-		$per_page = apply_filters( 'sensei_comments_per_page', $per_page, 'sensei_comments' );
+		$per_page = $this->get_items_per_page('sensei_comments_per_page');
+		$per_page = apply_filters('sensei_comments_per_page', $per_page, 'sensei_comments');
 
 		$paged = $this->get_pagenum();
 		$offset = 0;
-		if ( !empty($paged) ) {
-			$offset = $per_page * ( $paged - 1 );
+		if ( ! empty($paged)) {
+			$offset = $per_page * ($paged - 1);
 		} // End If Statement
 
 		$args = array(
@@ -160,32 +160,32 @@ 
 		);
 
         // Handle search
-        if ( isset( $_GET['s'] ) && !empty( $_GET['s'] ) ) {
-            $args['search'] = esc_html( $_GET['s'] );
+        if (isset($_GET['s']) && ! empty($_GET['s'])) {
+            $args['search'] = esc_html($_GET['s']);
         }
 
-		switch ( $this->type ) {
+		switch ($this->type) {
 			case 'courses':
-				$this->items = $this->get_courses( $args );
+				$this->items = $this->get_courses($args);
 				break;
 
 			case 'lessons':
-				$this->items = $this->get_lessons( $args );
+				$this->items = $this->get_lessons($args);
 				break;
 
 			case 'users':
 			default :
-				$this->items = $this->get_learners( $args );
+				$this->items = $this->get_learners($args);
 				break;
 		}
 
 		$total_items = $this->total_items;
-		$total_pages = ceil( $total_items / $per_page );
-		$this->set_pagination_args( array(
+		$total_pages = ceil($total_items / $per_page);
+		$this->set_pagination_args(array(
 			'total_items' => $total_items,
 			'total_pages' => $total_pages,
 			'per_page' => $per_page
-		) );
+		));
 	}
 
 	/**
@@ -193,7 +193,7 @@ 
 	 * @since  1.7.0
 	 * @return data
 	 */
-	public function generate_report( $report ) {
+	public function generate_report($report) {
 
 		$data = array();
 
@@ -201,16 +201,16 @@ 
 
 		// Handle orderby
 		$orderby = '';
-		if ( !empty( $_GET['orderby'] ) ) {
-			if ( array_key_exists( esc_html( $_GET['orderby'] ), $this->get_sortable_columns() ) ) {
-				$orderby = esc_html( $_GET['orderby'] );
+		if ( ! empty($_GET['orderby'])) {
+			if (array_key_exists(esc_html($_GET['orderby']), $this->get_sortable_columns())) {
+				$orderby = esc_html($_GET['orderby']);
 			} // End If Statement
 		}
 
 		// Handle order
 		$order = 'ASC';
-		if ( !empty( $_GET['order'] ) ) {
-			$order = ( 'ASC' == strtoupper($_GET['order']) ) ? 'ASC' : 'DESC';
+		if ( ! empty($_GET['order'])) {
+			$order = ('ASC' == strtoupper($_GET['order'])) ? 'ASC' : 'DESC';
 		}
 
 		$args = array(
@@ -220,37 +220,37 @@ 
 
 
         // Handle search
-        if ( isset( $_GET['s'] ) && !empty( $_GET['s'] ) ) {
-            $args['search'] = esc_html( $_GET['s'] );
+        if (isset($_GET['s']) && ! empty($_GET['s'])) {
+            $args['search'] = esc_html($_GET['s']);
         }
 
 
 		// Start the csv with the column headings
 		$column_headers = array();
 		$columns = $this->get_columns();
-		foreach( $columns AS $key => $title ) {
+		foreach ($columns AS $key => $title) {
 			$column_headers[] = $title;
 		}
 		$data[] = $column_headers;
 
-		switch ( $this->type ) {
+		switch ($this->type) {
 			case 'courses':
-				$this->items = $this->get_courses( $args );
+				$this->items = $this->get_courses($args);
 				break;
 
 			case 'lessons':
-				$this->items = $this->get_lessons( $args );
+				$this->items = $this->get_lessons($args);
 				break;
 
 			case 'users':
 			default :
-				$this->items = $this->get_learners( $args );
+				$this->items = $this->get_learners($args);
 				break;
 		}
 
 		// Process each row
-		foreach( $this->items AS $item) {
-			$data[] = $this->get_row_data( $item );
+		foreach ($this->items AS $item) {
+			$data[] = $this->get_row_data($item);
 		}
 
 		return $data;
@@ -262,9 +262,9 @@ 
 	 * @param object $item The current item
      * @return array $column_data;
 	 */
-	protected function get_row_data( $item ) {
+	protected function get_row_data($item) {
 
-		switch( $this->type ) {
+		switch ($this->type) {
 			case 'courses' :
 				// Get Learners (i.e. those who have started)
 				$course_args = array( 
@@ -272,7 +272,7 @@ 
 						'type' => 'sensei_course_status',
 						'status' => 'any',
 					);
-				$course_students = Sensei_Utils::sensei_check_for_activity( apply_filters( 'sensei_analysis_course_learners', $course_args, $item ) );
+				$course_students = Sensei_Utils::sensei_check_for_activity(apply_filters('sensei_analysis_course_learners', $course_args, $item));
 
 				// Get Course Completions
 				$course_args = array( 
@@ -280,10 +280,10 @@ 
 						'type' => 'sensei_course_status',
 						'status' => 'complete',
 					);
-				$course_completions = Sensei_Utils::sensei_check_for_activity( apply_filters( 'sensei_analysis_course_completions', $course_args, $item ) );
+				$course_completions = Sensei_Utils::sensei_check_for_activity(apply_filters('sensei_analysis_course_completions', $course_args, $item));
 
 				// Course Lessons
-				$course_lessons = Sensei()->lesson->lesson_count( array('publish', 'private'), $item->ID );
+				$course_lessons = Sensei()->lesson->lesson_count(array('publish', 'private'), $item->ID);
 
 				// Get Percent Complete
 				$grade_args = array( 
@@ -293,31 +293,31 @@ 
 						'meta_key' => 'percent',
 					);
 
-				$percent_count = count( Sensei_Utils::sensei_check_for_activity( apply_filters( 'sensei_analysis_course_percentage', $grade_args, $item ), true ) );
-				$percent_total = Sensei_Grading::get_course_users_grades_sum( $item->ID );
+				$percent_count = count(Sensei_Utils::sensei_check_for_activity(apply_filters('sensei_analysis_course_percentage', $grade_args, $item), true));
+				$percent_total = Sensei_Grading::get_course_users_grades_sum($item->ID);
 
                 $course_average_percent = 0;
-                if( $percent_count > 0 && $percent_total > 0 ){
-                    $course_average_percent = abs( round( doubleval( $percent_total / $percent_count ), 2 ) );
+                if ($percent_count > 0 && $percent_total > 0) {
+                    $course_average_percent = abs(round(doubleval($percent_total / $percent_count), 2));
                 }
 
 
 				// Output course data
-				if ( $this->csv_output ) {
-					$course_title = apply_filters( 'the_title', $item->post_title, $item->ID );
+				if ($this->csv_output) {
+					$course_title = apply_filters('the_title', $item->post_title, $item->ID);
 				}
 				else {
-					$url = add_query_arg( array( 'page' => $this->page_slug, 'course_id' => $item->ID ), admin_url( 'admin.php' ) );
+					$url = add_query_arg(array('page' => $this->page_slug, 'course_id' => $item->ID), admin_url('admin.php'));
 
-					$course_title = '<strong><a class="row-title" href="' . esc_url( $url ) . '">' . apply_filters( 'the_title', $item->post_title, $item->ID ) . '</a></strong>';
+					$course_title = '<strong><a class="row-title" href="'.esc_url($url).'">'.apply_filters('the_title', $item->post_title, $item->ID).'</a></strong>';
 					$course_average_percent .= '%';
 				} // End If Statement
-				$column_data = apply_filters( 'sensei_analysis_overview_column_data', array( 'title' => $course_title,
+				$column_data = apply_filters('sensei_analysis_overview_column_data', array('title' => $course_title,
 												'students' => $course_students,
 												'lessons' => $course_lessons,
 												'completions' => $course_completions,
 												'average_percent' => $course_average_percent,
-											), $item, $this );
+											), $item, $this);
 				break;
 
 			case 'lessons' :
@@ -327,65 +327,65 @@ 
 						'type' => 'sensei_lesson_status',
 						'status' => 'any',
 					);
-				$lesson_students = Sensei_Utils::sensei_check_for_activity( apply_filters( 'sensei_analysis_lesson_learners', $lesson_args, $item ) );
+				$lesson_students = Sensei_Utils::sensei_check_for_activity(apply_filters('sensei_analysis_lesson_learners', $lesson_args, $item));
 
 				// Get Course Completions
 				$lesson_args = array( 
 						'post_id' => $item->ID,
 						'type' => 'sensei_lesson_status',
-						'status' => array( 'complete', 'graded', 'passed', 'failed' ),
+						'status' => array('complete', 'graded', 'passed', 'failed'),
 						'count' => true,
 					);
-				$lesson_completions = Sensei_Utils::sensei_check_for_activity( apply_filters( 'sensei_analysis_lesson_completions', $lesson_args, $item ) );
+				$lesson_completions = Sensei_Utils::sensei_check_for_activity(apply_filters('sensei_analysis_lesson_completions', $lesson_args, $item));
 
 				// Course 
-				$course_id = get_post_meta( $item->ID, '_lesson_course', true );
-				$course_title = $course_id ? get_the_title( $course_id ) : '';
+				$course_id = get_post_meta($item->ID, '_lesson_course', true);
+				$course_title = $course_id ? get_the_title($course_id) : '';
 
 				$lesson_average_grade = __('n/a', 'woothemes-sensei');
-				if ( false != get_post_meta($item->ID, '_quiz_has_questions', true) ) {
+				if (false != get_post_meta($item->ID, '_quiz_has_questions', true)) {
 					// Get Percent Complete
 					$grade_args = array( 
 							'post_id' => $item->ID,
 							'type' => 'sensei_lesson_status',
-							'status' => array( 'graded', 'passed', 'failed' ),
+							'status' => array('graded', 'passed', 'failed'),
 							'meta_key' => 'grade',
 						);
 
-					$grade_count = count( Sensei_Utils::sensei_check_for_activity( apply_filters( 'sensei_analysis_lesson_grades', $grade_args, $item ), true ));
-					$grade_total = Sensei_Grading::get_lessons_users_grades_sum( $item->ID );
+					$grade_count = count(Sensei_Utils::sensei_check_for_activity(apply_filters('sensei_analysis_lesson_grades', $grade_args, $item), true));
+					$grade_total = Sensei_Grading::get_lessons_users_grades_sum($item->ID);
 
                     $lesson_average_grade = 0;
-                    if( $grade_total > 0 && $grade_count > 0 ){
-                        $lesson_average_grade = abs( round( doubleval( $grade_total / $grade_count ), 2 ) );
+                    if ($grade_total > 0 && $grade_count > 0) {
+                        $lesson_average_grade = abs(round(doubleval($grade_total / $grade_count), 2));
                     }
 
                 }
 				// Output lesson data
-				if ( $this->csv_output ) {
-					$lesson_title = apply_filters( 'the_title', $item->post_title, $item->ID );
+				if ($this->csv_output) {
+					$lesson_title = apply_filters('the_title', $item->post_title, $item->ID);
 				}
 				else {
-					$url = add_query_arg( array( 'page' => $this->page_slug, 'lesson_id' => $item->ID ), admin_url( 'admin.php' ) );
-					$lesson_title = '<strong><a class="row-title" href="' . esc_url( $url ) . '">' . apply_filters( 'the_title', $item->post_title, $item->ID ) . '</a></strong>';
+					$url = add_query_arg(array('page' => $this->page_slug, 'lesson_id' => $item->ID), admin_url('admin.php'));
+					$lesson_title = '<strong><a class="row-title" href="'.esc_url($url).'">'.apply_filters('the_title', $item->post_title, $item->ID).'</a></strong>';
 
-					if ( $course_id ) {
-						$url = add_query_arg( array( 'page' => $this->page_slug, 'course_id' => $course_id ), admin_url( 'admin.php' ) );
-						$course_title = '<a href="' . esc_url( $url ) . '">' . $course_title . '</a>';
+					if ($course_id) {
+						$url = add_query_arg(array('page' => $this->page_slug, 'course_id' => $course_id), admin_url('admin.php'));
+						$course_title = '<a href="'.esc_url($url).'">'.$course_title.'</a>';
 					}
 					else {
 						$course_title = __('n/a', 'woothemes-sensei');
 					}
-					if ( is_numeric( $lesson_average_grade ) ) {
+					if (is_numeric($lesson_average_grade)) {
 						$lesson_average_grade .= '%';
 					}
 				} // End If Statement
-				$column_data = apply_filters( 'sensei_analysis_overview_column_data', array( 'title' => $lesson_title,
+				$column_data = apply_filters('sensei_analysis_overview_column_data', array('title' => $lesson_title,
 												'course' => $course_title,
 												'students' => $lesson_students,
 												'completions' => $lesson_completions,
 												'average_grade' => $lesson_average_grade,
-											), $item, $this );
+											), $item, $this);
 				break;
 
 			case 'users' :
@@ -396,7 +396,7 @@ 
 						'type' => 'sensei_course_status',
 						'status' => 'any',
 					);
-				$user_courses_started = Sensei_Utils::sensei_check_for_activity( apply_filters( 'sensei_analysis_user_courses_started', $course_args, $item ) );
+				$user_courses_started = Sensei_Utils::sensei_check_for_activity(apply_filters('sensei_analysis_user_courses_started', $course_args, $item));
 
 				// Get Completed Courses
 				$course_args = array( 
@@ -404,7 +404,7 @@ 
 						'type' => 'sensei_course_status',
 						'status' => 'complete',
 					);
-				$user_courses_ended = Sensei_Utils::sensei_check_for_activity( apply_filters( 'sensei_analysis_user_courses_ended', $course_args, $item ) );
+				$user_courses_ended = Sensei_Utils::sensei_check_for_activity(apply_filters('sensei_analysis_user_courses_ended', $course_args, $item));
 
 				// Get Quiz Grades
 				$grade_args = array( 
@@ -414,29 +414,29 @@ 
 						'meta_key' => 'grade',
 					);
 
-				$grade_count = count( Sensei_Utils::sensei_check_for_activity( apply_filters( 'sensei_analysis_user_lesson_grades', $grade_args, $item ), true ));
-				$grade_total = Sensei_Grading::get_user_graded_lessons_sum( $item->ID );
+				$grade_count = count(Sensei_Utils::sensei_check_for_activity(apply_filters('sensei_analysis_user_lesson_grades', $grade_args, $item), true));
+				$grade_total = Sensei_Grading::get_user_graded_lessons_sum($item->ID);
 
                 $user_average_grade = 0;
-                if( $grade_total > 0 && $grade_count > 0 ){
-                    $user_average_grade = abs( round( doubleval( $grade_total / $grade_count ), 2 ) );
+                if ($grade_total > 0 && $grade_count > 0) {
+                    $user_average_grade = abs(round(doubleval($grade_total / $grade_count), 2));
                 }
 
 				// Output the users data
-				if ( $this->csv_output ) {
-                    $user_name = Sensei_Learner::get_full_name( $item->ID );
+				if ($this->csv_output) {
+                    $user_name = Sensei_Learner::get_full_name($item->ID);
                 }
 				else {
-					$url = add_query_arg( array( 'page' => $this->page_slug, 'user_id' => $item->ID ), admin_url( 'admin.php' ) );
-					$user_name = '<strong><a class="row-title" href="' . esc_url( $url ) . '">' . $item->display_name . '</a></strong>';
+					$url = add_query_arg(array('page' => $this->page_slug, 'user_id' => $item->ID), admin_url('admin.php'));
+					$user_name = '<strong><a class="row-title" href="'.esc_url($url).'">'.$item->display_name.'</a></strong>';
 					$user_average_grade .= '%';
 				} // End If Statement
-				$column_data = apply_filters( 'sensei_analysis_overview_column_data', array( 'title' => $user_name,
+				$column_data = apply_filters('sensei_analysis_overview_column_data', array('title' => $user_name,
 												'registered' => $item->user_registered,
-												'active_courses' => ( $user_courses_started - $user_courses_ended ),
+												'active_courses' => ($user_courses_started - $user_courses_ended),
 												'completed_courses' => $user_courses_ended,
 												'average_grade' => $user_average_grade,
-											), $item, $this );
+											), $item, $this);
 				break;
 		} // end switch
 		return $column_data;
@@ -447,7 +447,7 @@ 
 	 * @since  1.7.0
 	 * @return array courses
 	 */
-	private function get_courses( $args ) {
+	private function get_courses($args) {
 		$course_args = array(
 			'post_type' => 'course',
 			'post_status' => array('publish', 'private'),
@@ -458,16 +458,16 @@ 
 			'suppress_filters' => 0,
 		);
 
-		if ( $this->csv_output ) {
+		if ($this->csv_output) {
 			$course_args['posts_per_page'] = '-1';
 		}
 
-		if( isset( $args['search'] ) ) {
+		if (isset($args['search'])) {
 			$course_args['s'] = $args['search'];
 		}
 
 		// Using WP_Query as get_posts() doesn't support 'found_posts'
-		$courses_query = new WP_Query( apply_filters( 'sensei_analysis_overview_filter_courses', $course_args ) );
+		$courses_query = new WP_Query(apply_filters('sensei_analysis_overview_filter_courses', $course_args));
 		$this->total_items = $courses_query->found_posts;
 		return $courses_query->posts;
 
@@ -478,7 +478,7 @@ 
 	 * @since  1.7.0
 	 * @return array lessons
 	 */
-	private function get_lessons( $args ) {
+	private function get_lessons($args) {
 		$lessons_args = array(
 			'post_type' => 'lesson',
 			'post_status' => array('publish', 'private'),
@@ -489,16 +489,16 @@ 
 			'suppress_filters' => 0,
 		);
 
-		if ( $this->csv_output ) {
+		if ($this->csv_output) {
 			$lessons_args['posts_per_page'] = '-1';
 		}
 
-		if( isset( $args['search'] ) ) {
+		if (isset($args['search'])) {
 			$lessons_args['s'] = $args['search'];
 		}
 
 		// Using WP_Query as get_posts() doesn't support 'found_posts'
-		$lessons_query = new WP_Query( apply_filters( 'sensei_analysis_overview_filter_lessons', $lessons_args ) );
+		$lessons_query = new WP_Query(apply_filters('sensei_analysis_overview_filter_lessons', $lessons_args));
 		$this->total_items = $lessons_query->found_posts;
 		return $lessons_query->posts;
 	} // End get_lessons()
@@ -508,24 +508,24 @@ 
 	 * @since  1.7.0
 	 * @return array learners
 	 */
-	private function get_learners( $args ) {
+	private function get_learners($args) {
 
-		if ( !empty($args['search']) ) {
+		if ( ! empty($args['search'])) {
 			$args = array(
-				'search' => '*' . trim( $args['search'], '*' ) . '*',
+				'search' => '*'.trim($args['search'], '*').'*',
 			);
 		}
 
 		// This stops the full meta data of each user being loaded
-		$args['fields'] = array( 'ID', 'user_login', 'user_email', 'user_registered', 'display_name' );
+		$args['fields'] = array('ID', 'user_login', 'user_email', 'user_registered', 'display_name');
 
         /**
          * Filter the WP_User_Query arguments
          * @since 1.6.0
          * @param $args
          */
-        $args = apply_filters( 'sensei_analysis_overview_filter_users', $args );
-		$wp_user_search = new WP_User_Query( $args );
+        $args = apply_filters('sensei_analysis_overview_filter_users', $args);
+		$wp_user_search = new WP_User_Query($args);
         $learners = $wp_user_search->get_results();
 		$this->total_items = $wp_user_search->get_total();
 
@@ -538,18 +538,18 @@ 
 	 * @since  1.2.0
 	 * @return array $stats_to_render of stats boxes and values
 	 */
-	public function stats_boxes () {
+	public function stats_boxes() {
 
 		// Get the data required
 		$user_count = count_users();
-		$user_count = apply_filters( 'sensei_analysis_total_users', $user_count['total_users'], $user_count );
-		$total_courses = Sensei()->course->course_count( array('publish', 'private') );
-		$total_lessons = Sensei()->lesson->lesson_count( array('publish', 'private') );
+		$user_count = apply_filters('sensei_analysis_total_users', $user_count['total_users'], $user_count);
+		$total_courses = Sensei()->course->course_count(array('publish', 'private'));
+		$total_lessons = Sensei()->lesson->lesson_count(array('publish', 'private'));
 
         /**
          * filter the analysis tot grades query args
          */
-		$grade_args = apply_filters( 'sensei_analysis_total_quiz_grades', array(
+		$grade_args = apply_filters('sensei_analysis_total_quiz_grades', array(
 				'type' => 'sensei_lesson_status',
 				'status' => 'any',
 
@@ -559,8 +559,8 @@ 
 		$total_grade_count = Sensei_Grading::get_graded_lessons_count();
 		$total_grade_total = Sensei_Grading::get_graded_lessons_sum();
 		$total_average_grade = 0;
-		if( $total_grade_total > 0 &&  $total_grade_count >0   ){
-			$total_average_grade = abs( round( doubleval( $total_grade_total / $total_grade_count ), 2 ) );
+		if ($total_grade_total > 0 && $total_grade_count > 0) {
+			$total_average_grade = abs(round(doubleval($total_grade_total / $total_grade_count), 2));
 		}
 
 
@@ -568,24 +568,24 @@ 
 				'type' => 'sensei_course_status',
 				'status' => 'any',
 			);
-		$total_courses_started = Sensei_Utils::sensei_check_for_activity( apply_filters( 'sensei_analysis_total_courses_started', $course_args ) );
+		$total_courses_started = Sensei_Utils::sensei_check_for_activity(apply_filters('sensei_analysis_total_courses_started', $course_args));
 		$course_args = array( 
 				'type' => 'sensei_course_status',
 				'status' => 'complete',
 			);
-		$total_courses_ended = Sensei_Utils::sensei_check_for_activity( apply_filters( 'sensei_analysis_total_courses_ended', $course_args ) );
-		$average_courses_per_learner = abs( round( doubleval( $total_courses_started / $user_count ), 2 ) );
+		$total_courses_ended = Sensei_Utils::sensei_check_for_activity(apply_filters('sensei_analysis_total_courses_ended', $course_args));
+		$average_courses_per_learner = abs(round(doubleval($total_courses_started / $user_count), 2));
 
 		// Setup the boxes to render
 		$stats_to_render = array( 
-								__( 'Total Courses', 'woothemes-sensei' ) => $total_courses,
-								__( 'Total Lessons', 'woothemes-sensei' ) => $total_lessons,
-								__( 'Total Learners', 'woothemes-sensei' ) => $user_count,
-								__( 'Average Courses per Learner', 'woothemes-sensei' ) => $average_courses_per_learner,
-								__( 'Average Grade', 'woothemes-sensei' ) => $total_average_grade . '%',
-								__( 'Total Completed Courses', 'woothemes-sensei' ) => $total_courses_ended,
+								__('Total Courses', 'woothemes-sensei') => $total_courses,
+								__('Total Lessons', 'woothemes-sensei') => $total_lessons,
+								__('Total Learners', 'woothemes-sensei') => $user_count,
+								__('Average Courses per Learner', 'woothemes-sensei') => $average_courses_per_learner,
+								__('Average Grade', 'woothemes-sensei') => $total_average_grade.'%',
+								__('Total Completed Courses', 'woothemes-sensei') => $total_courses_ended,
 							);
-		return apply_filters( 'sensei_analysis_stats_boxes', $stats_to_render );
+		return apply_filters('sensei_analysis_stats_boxes', $stats_to_render);
 	} // End stats_boxes()
 
 	/**
@@ -595,12 +595,12 @@ 
 	 * @return void
 	 */
 	public function no_items() {
-		if( ! $this->view || 'users' == $this->view ) {
+		if ( ! $this->view || 'users' == $this->view) {
 			$type = 'learners';
 		} else {
 			$type = $this->view;
 		}
-		echo  sprintf( __( '%1$sNo %2$s found%3$s', 'woothemes-sensei' ), '<em>', $type, '</em>' );
+		echo  sprintf(__('%1$sNo %2$s found%3$s', 'woothemes-sensei'), '<em>', $type, '</em>');
 	} // End no_items()
 
 	/**
@@ -615,7 +615,7 @@ 
 			'page' => $this->page_slug,
 		);
 		$learners_class = $courses_class = $lessons_class = '';
-		switch( $this->type ) {
+		switch ($this->type) {
 			case 'courses':
 				$courses_class = 'current';
 				break;
@@ -633,18 +633,18 @@ 
 		$lesson_args['view'] = 'lessons';
 		$courses_args['view'] = 'courses';
 
-		$menu['learners'] = '<a class="' . $learners_class . '" href="' . esc_url( add_query_arg( $learner_args, admin_url( 'admin.php' ) ) ). '">' . __( 'Learners', 'woothemes-sensei' ) . '</a>';
-		$menu['courses'] = '<a class="' . $courses_class . '" href="' . esc_url ( add_query_arg( $courses_args, admin_url( 'admin.php' ) ) ) . '">' . __( 'Courses', 'woothemes-sensei' ) . '</a>';
-		$menu['lessons'] = '<a class="' . $lessons_class . '" href="' . esc_url( add_query_arg( $lesson_args, admin_url( 'admin.php' ) ) ) . '">' . __( 'Lessons', 'woothemes-sensei' ) . '</a>';
+		$menu['learners'] = '<a class="'.$learners_class.'" href="'.esc_url(add_query_arg($learner_args, admin_url('admin.php'))).'">'.__('Learners', 'woothemes-sensei').'</a>';
+		$menu['courses'] = '<a class="'.$courses_class.'" href="'.esc_url(add_query_arg($courses_args, admin_url('admin.php'))).'">'.__('Courses', 'woothemes-sensei').'</a>';
+		$menu['lessons'] = '<a class="'.$lessons_class.'" href="'.esc_url(add_query_arg($lesson_args, admin_url('admin.php'))).'">'.__('Lessons', 'woothemes-sensei').'</a>';
 
-		$menu = apply_filters( 'sensei_analysis_overview_sub_menu', $menu );
-		if ( !empty($menu) ) {
-			echo '<ul class="subsubsub">' . "\n";
-			foreach ( $menu as $class => $item ) {
-				$menu[ $class ] = "\t<li class='$class'>$item";
+		$menu = apply_filters('sensei_analysis_overview_sub_menu', $menu);
+		if ( ! empty($menu)) {
+			echo '<ul class="subsubsub">'."\n";
+			foreach ($menu as $class => $item) {
+				$menu[$class] = "\t<li class='$class'>$item";
 			}
-			echo implode( " |</li>\n", $menu ) . "</li>\n";
-			echo '</ul>' . "\n";
+			echo implode(" |</li>\n", $menu)."</li>\n";
+			echo '</ul>'."\n";
 		}
 	} // End data_table_header()
 
@@ -654,7 +654,7 @@ 
 	 * @return void
 	 */
 	public function data_table_footer() {
-		switch ( $this->type ) {
+		switch ($this->type) {
 			case 'courses':
 				$report = 'courses-overview';
 				break;
@@ -668,8 +668,8 @@ 
 				$report = 'user-overview';
 			break;
 		} // End Switch Statement
-		$url = add_query_arg( array( 'page' => $this->page_slug, 'view' => $this->type, 'sensei_report_download' => $report ), admin_url( 'admin.php' ) );
-		echo '<a class="button button-primary" href="' . esc_url( wp_nonce_url( $url, 'sensei_csv_download-' . $report, '_sdl_nonce' ) ) . '">' . __( 'Export all rows (CSV)', 'woothemes-sensei' ) . '</a>';
+		$url = add_query_arg(array('page' => $this->page_slug, 'view' => $this->type, 'sensei_report_download' => $report), admin_url('admin.php'));
+		echo '<a class="button button-primary" href="'.esc_url(wp_nonce_url($url, 'sensei_csv_download-'.$report, '_sdl_nonce')).'">'.__('Export all rows (CSV)', 'woothemes-sensei').'</a>';
 	} // End data_table_footer()
 
 	/**
@@ -677,19 +677,19 @@ 
 	 * @since  1.7.0
 	 * @return string $text
 	 */
-	public function search_button( $text = '' ) {
-		switch( $this->type ) {
+	public function search_button($text = '') {
+		switch ($this->type) {
 			case 'courses':
-				$text = __( 'Search Courses', 'woothemes-sensei' );
+				$text = __('Search Courses', 'woothemes-sensei');
 			break;
 
 			case 'lessons':
-				$text = __( 'Search Lessons', 'woothemes-sensei' );
+				$text = __('Search Lessons', 'woothemes-sensei');
 			break;
 
 			case 'users':
 			default:
-				$text = __( 'Search Learners', 'woothemes-sensei' );
+				$text = __('Search Learners', 'woothemes-sensei');
 			break;
 		} // End Switch Statement
 

includes/class-sensei-modules.php

Spacing +262 added lines, -262 removed lines

@@ -1,6 +1,6 @@ 
 <?php
 
-if ( ! defined( 'ABSPATH' ) ) exit;
+if ( ! defined('ABSPATH')) exit;
 
 /**
  * Sensei Modules Class
@@ -21,33 +21,33 @@ 
     private $order_page_slug;
     public $taxonomy;
 
-    public function __construct( $file )
+    public function __construct($file)
     {
         $this->file = $file;
         $this->dir = dirname($this->file);
-        $this->assets_dir = trailingslashit($this->dir) . 'assets';
+        $this->assets_dir = trailingslashit($this->dir).'assets';
         $this->assets_url = esc_url(trailingslashit(plugins_url('/assets/', $this->file)));
         $this->taxonomy = 'module';
         $this->order_page_slug = 'module-order';
 
         // setup taxonomy
-        add_action( 'init', array( $this, 'setup_modules_taxonomy' ), 10 );
+        add_action('init', array($this, 'setup_modules_taxonomy'), 10);
 
         // Manage lesson meta boxes for taxonomy
-        add_action('add_meta_boxes', array($this, 'modules_metaboxes'), 20, 2 );
+        add_action('add_meta_boxes', array($this, 'modules_metaboxes'), 20, 2);
 
         // Save lesson meta box
         add_action('save_post', array($this, 'save_lesson_module'), 10, 1);
 
         //Reset the none modules lessons transient
-        add_action( 'save_post', array( 'Sensei_Core_Modules', 'reset_none_modules_transient' ) );
+        add_action('save_post', array('Sensei_Core_Modules', 'reset_none_modules_transient'));
 
         // Frontend styling
         add_action('wp_enqueue_scripts', array($this, 'enqueue_styles'));
 
         // Admin styling
         add_action('admin_enqueue_scripts', array($this, 'admin_enqueue_styles'));
-        add_action('admin_enqueue_scripts', array($this, 'admin_enqueue_scripts'),  20 , 2 );
+        add_action('admin_enqueue_scripts', array($this, 'admin_enqueue_scripts'), 20, 2);
 
         // Handle module completion record
         add_action('sensei_lesson_status_updated', array($this, 'update_lesson_status_module_progress'), 10, 3);
@@ -55,20 +55,20 @@ 
         add_action('wp', array($this, 'save_module_progress'), 10);
 
         // Handle module ordering
-        add_action('admin_menu', array($this, 'register_modules_admin_menu_items'), 30 );
+        add_action('admin_menu', array($this, 'register_modules_admin_menu_items'), 30);
         add_filter('manage_edit-course_columns', array($this, 'course_columns'), 11, 1);
         add_action('manage_posts_custom_column', array($this, 'course_column_content'), 11, 2);
 
         // Ensure modules always show under courses
-        add_action( 'admin_menu', array( $this, 'remove_lessons_menu_model_taxonomy' ) , 10 );
-        add_action( 'admin_menu', array( $this, 'remove_courses_menu_model_taxonomy' ) , 10 );
-        add_action( 'admin_menu', array( $this, 'redirect_to_lesson_module_taxonomy_to_course' ) , 20 );
+        add_action('admin_menu', array($this, 'remove_lessons_menu_model_taxonomy'), 10);
+        add_action('admin_menu', array($this, 'remove_courses_menu_model_taxonomy'), 10);
+        add_action('admin_menu', array($this, 'redirect_to_lesson_module_taxonomy_to_course'), 20);
 
         // Add course field to taxonomy
-        add_action($this->taxonomy . '_add_form_fields', array($this, 'add_module_fields'), 50, 1);
-        add_action($this->taxonomy . '_edit_form_fields', array($this, 'edit_module_fields'), 1, 1);
-        add_action('edited_' . $this->taxonomy, array($this, 'save_module_course'), 10, 2);
-        add_action('created_' . $this->taxonomy, array($this, 'save_module_course'), 10, 2);
+        add_action($this->taxonomy.'_add_form_fields', array($this, 'add_module_fields'), 50, 1);
+        add_action($this->taxonomy.'_edit_form_fields', array($this, 'edit_module_fields'), 1, 1);
+        add_action('edited_'.$this->taxonomy, array($this, 'save_module_course'), 10, 2);
+        add_action('created_'.$this->taxonomy, array($this, 'save_module_course'), 10, 2);
         add_action('wp_ajax_sensei_json_search_courses', array($this, 'search_courses_json'));
 
         // Manage module taxonomy archive page
@@ -80,10 +80,10 @@ 
         add_filter('body_class', array($this, 'module_archive_body_class'));
 
         // add modules to the single course template
-        add_action( 'sensei_single_course_content_inside_after', array($this, 'load_course_module_content_template') , 8 );
+        add_action('sensei_single_course_content_inside_after', array($this, 'load_course_module_content_template'), 8);
 
         //Single Course modules actions. Add to single-course/course-modules.php
-        add_action('sensei_single_course_modules_before',array( $this,'course_modules_title' ), 20);
+        add_action('sensei_single_course_modules_before', array($this, 'course_modules_title'), 20);
 
         // Set up display on single lesson page
         add_filter('sensei_breadcrumb_output', array($this, 'module_breadcrumb_link'), 10, 2);
@@ -95,22 +95,22 @@ 
         add_filter('sensei_analysis_course_column_data', array($this, 'analysis_course_column_data'), 10, 3);
 
         // Manage module taxonomy columns
-        add_filter('manage_edit-' . $this->taxonomy . '_columns', array($this, 'taxonomy_column_headings'), 1, 1);
-        add_filter('manage_' . $this->taxonomy . '_custom_column', array($this, 'taxonomy_column_content'), 1, 3);
+        add_filter('manage_edit-'.$this->taxonomy.'_columns', array($this, 'taxonomy_column_headings'), 1, 1);
+        add_filter('manage_'.$this->taxonomy.'_custom_column', array($this, 'taxonomy_column_content'), 1, 3);
         add_filter('sensei_module_lesson_list_title', array($this, 'sensei_course_preview_titles'), 10, 2);
 
         //store new modules created on the course edit screen
-        add_action( 'wp_ajax_sensei_add_new_module_term', array( 'Sensei_Core_Modules','add_new_module_term' ) );
+        add_action('wp_ajax_sensei_add_new_module_term', array('Sensei_Core_Modules', 'add_new_module_term'));
 
         // for non admin users, only show taxonomies that belong to them
-        add_filter('get_terms', array( $this, 'filter_module_terms' ), 20, 3 );
-        add_filter('get_object_terms', array( $this, 'filter_course_selected_terms' ), 20, 3 );
+        add_filter('get_terms', array($this, 'filter_module_terms'), 20, 3);
+        add_filter('get_object_terms', array($this, 'filter_course_selected_terms'), 20, 3);
 
         // add the teacher name next to the module term in for admin users
-        add_filter('get_terms', array( $this, 'append_teacher_name_to_module' ), 70, 3 );
+        add_filter('get_terms', array($this, 'append_teacher_name_to_module'), 70, 3);
 
         // remove the default modules  metabox
-        add_action('admin_init',array( 'Sensei_Core_Modules' , 'remove_default_modules_box' ));
+        add_action('admin_init', array('Sensei_Core_Modules', 'remove_default_modules_box'));
 
     } // end constructor
 
@@ -127,9 +127,9 @@ 
      * @return void
      * @deprecated since 1.9.0
      */
-    public function change_module_term_slug( $term_id, $tt_id, $taxonomy ){
+    public function change_module_term_slug($term_id, $tt_id, $taxonomy) {
 
-        _deprecated_function('change_module_term_slug', '1.9.0' );
+        _deprecated_function('change_module_term_slug', '1.9.0');
 
     }// end add_module_term_group
 
@@ -143,20 +143,20 @@ 
      *
      * @return void
      */
-    public function modules_metaboxes( $post_type, $post )
+    public function modules_metaboxes($post_type, $post)
     {
-        if ('lesson' == $post_type ) {
+        if ('lesson' == $post_type) {
 
             // Remove default taxonomy meta box from Lesson edit screen
-            remove_meta_box($this->taxonomy . 'div', 'lesson', 'side');
+            remove_meta_box($this->taxonomy.'div', 'lesson', 'side');
 
             // Add custom meta box to limit module selection to one per lesson
-            add_meta_box($this->taxonomy . '_select', __('Lesson Module', 'woothemes-sensei'), array($this, 'lesson_module_metabox'), 'lesson', 'side', 'default');
+            add_meta_box($this->taxonomy.'_select', __('Lesson Module', 'woothemes-sensei'), array($this, 'lesson_module_metabox'), 'lesson', 'side', 'default');
         }
 
-        if( 'course' == $post_type ){
+        if ('course' == $post_type) {
             // Course modules selection metabox
-            add_meta_box( $this->taxonomy . '_course_mb', __('Course Modules', 'woothemes-sensei'), array( $this, 'course_module_metabox'), 'course', 'side', 'core');
+            add_meta_box($this->taxonomy.'_course_mb', __('Course Modules', 'woothemes-sensei'), array($this, 'course_module_metabox'), 'course', 'side', 'core');
         }
     }
 
@@ -192,21 +192,21 @@ 
             $modules = $this->get_course_modules($lesson_course);
 
             // Build the HTML to output
-            $html .= '<input type="hidden" name="' . esc_attr('woo_lesson_' . $this->taxonomy . '_nonce') . '" id="' . esc_attr('woo_lesson_' . $this->taxonomy . '_nonce') . '" value="' . esc_attr(wp_create_nonce(plugin_basename($this->file))) . '" />';
+            $html .= '<input type="hidden" name="'.esc_attr('woo_lesson_'.$this->taxonomy.'_nonce').'" id="'.esc_attr('woo_lesson_'.$this->taxonomy.'_nonce').'" value="'.esc_attr(wp_create_nonce(plugin_basename($this->file))).'" />';
             if (is_array($modules) && count($modules) > 0) {
-                $html .= '<select id="lesson-module-options" name="lesson_module" class="widefat">' . "\n";
-                $html .= '<option value="">' . __('None', 'woothemes-sensei') . '</option>';
+                $html .= '<select id="lesson-module-options" name="lesson_module" class="widefat">'."\n";
+                $html .= '<option value="">'.__('None', 'woothemes-sensei').'</option>';
                 foreach ($modules as $module) {
-                    $html .= '<option value="' . esc_attr(absint($module->term_id)) . '"' . selected($module->term_id, $lesson_module, false) . '>' . esc_html($module->name) . '</option>' . "\n";
+                    $html .= '<option value="'.esc_attr(absint($module->term_id)).'"'.selected($module->term_id, $lesson_module, false).'>'.esc_html($module->name).'</option>'."\n";
                 }
-                $html .= '</select>' . "\n";
+                $html .= '</select>'."\n";
             } else {
-                $course_url = admin_url('post.php?post=' . urlencode($lesson_course) . '&action=edit');
-                $html .= '<p>' . sprintf(__('No modules are available for this lesson yet. %1$sPlease add some to %3$sthe course%4$s.%2$s', 'woothemes-sensei'), '<em>', '</em>', '<a href="' . esc_url($course_url) . '">', '</a>') . '</p>';
+                $course_url = admin_url('post.php?post='.urlencode($lesson_course).'&action=edit');
+                $html .= '<p>'.sprintf(__('No modules are available for this lesson yet. %1$sPlease add some to %3$sthe course%4$s.%2$s', 'woothemes-sensei'), '<em>', '</em>', '<a href="'.esc_url($course_url).'">', '</a>').'</p>';
             } // End If Statement
 
         } else {
-            $html .= '<p>' . sprintf(__('No modules are available for this lesson yet. %1$sPlease select a course first.%2$s', 'woothemes-sensei'), '<em>', '</em>') . '</p>';
+            $html .= '<p>'.sprintf(__('No modules are available for this lesson yet. %1$sPlease select a course first.%2$s', 'woothemes-sensei'), '<em>', '</em>').'</p>';
         } // End If Statement
 
         // Output the HTML
@@ -225,38 +225,38 @@ 
         global $post;
 
         // Verify post type and nonce
-        if ((get_post_type() != 'lesson') || !isset($_POST['woo_lesson_' . $this->taxonomy . '_nonce'] )
-            ||!wp_verify_nonce($_POST['woo_lesson_' . $this->taxonomy . '_nonce'], plugin_basename($this->file))) {
+        if ((get_post_type() != 'lesson') || ! isset($_POST['woo_lesson_'.$this->taxonomy.'_nonce'])
+            ||! wp_verify_nonce($_POST['woo_lesson_'.$this->taxonomy.'_nonce'], plugin_basename($this->file))) {
             return $post_id;
         }
 
         // Check if user has permissions to edit lessons
         $post_type = get_post_type_object($post->post_type);
-        if (!current_user_can($post_type->cap->edit_post, $post_id)) {
+        if ( ! current_user_can($post_type->cap->edit_post, $post_id)) {
             return $post_id;
         }
 
         // Check if user has permissions to edit this specific post
-        if (!current_user_can('edit_post', $post_id)) {
+        if ( ! current_user_can('edit_post', $post_id)) {
             return $post_id;
         }
 
         // Cast module ID as an integer if selected, otherwise leave as empty string
-        if ( isset( $_POST['lesson_module'] ) ) {
+        if (isset($_POST['lesson_module'])) {
 
-            if( empty ( $_POST['lesson_module'] ) ){
-                wp_delete_object_term_relationships($post_id, $this->taxonomy  );
+            if (empty ($_POST['lesson_module'])) {
+                wp_delete_object_term_relationships($post_id, $this->taxonomy);
                 return true;
             }
 
-            $module_id = intval( $_POST['lesson_module'] );
+            $module_id = intval($_POST['lesson_module']);
 
             // Assign lesson to selected module
             wp_set_object_terms($post_id, $module_id, $this->taxonomy, false);
 
             // Set default order for lesson inside module
-            if (!get_post_meta($post_id, '_order_module_' . $module_id, true)) {
-                update_post_meta($post_id, '_order_module_' . $module_id, 0);
+            if ( ! get_post_meta($post_id, '_order_module_'.$module_id, true)) {
+                update_post_meta($post_id, '_order_module_'.$module_id, 0);
             }
         }
 
@@ -314,7 +314,7 @@ 
         $module_courses = array();
         if (isset($courses) && is_array($courses)) {
             foreach ($courses as $course) {
-                $module_courses[] =   array( 'id' =>$course->ID, 'details'=>$course->post_title );
+                $module_courses[] = array('id' =>$course->ID, 'details'=>$course->post_title);
             }
         }
 
@@ -324,8 +324,8 @@ 
                     for="module_courses"><?php _e('Course(s)', 'woothemes-sensei'); ?></label></th>
             <td>
                 <input type="hidden"
-                       data-defaults="<?php echo esc_attr( json_encode($module_courses)); ?>"
-                       value="<?php echo esc_attr( json_encode($module_courses) ); ?>"
+                       data-defaults="<?php echo esc_attr(json_encode($module_courses)); ?>"
+                       value="<?php echo esc_attr(json_encode($module_courses)); ?>"
                        id="module_courses" name="module_courses"
                        class="ajax_chosen_select_courses"
                        placeholder="<?php esc_attr_e('Search for courses...', 'woothemes-sensei'); ?>"
@@ -370,11 +370,11 @@ 
         }
 
         // Add module to selected courses
-        if ( isset( $_POST['module_courses'] ) && ! empty( $_POST['module_courses'] ) ) {
+        if (isset($_POST['module_courses']) && ! empty($_POST['module_courses'])) {
 
-            $course_ids = explode( ",", $_POST['module_courses'] );
+            $course_ids = explode(",", $_POST['module_courses']);
 
-            foreach ( $course_ids as $course_id ) {
+            foreach ($course_ids as $course_id) {
 
                 wp_set_object_terms($course_id, $module_id, $this->taxonomy, true);
 
@@ -438,11 +438,11 @@ 
      * @since 1.8.0
      * @return void
      */
-    public function single_course_modules(){
+    public function single_course_modules() {
 
-        _deprecated_function('Sensei_Modules->single_course_modules','Sensei 1.9.0', 'Sensei()->modules->load_course_module_content_template');
+        _deprecated_function('Sensei_Modules->single_course_modules', 'Sensei 1.9.0', 'Sensei()->modules->load_course_module_content_template');
         // only show modules on the course that has modules
-        if( is_singular( 'course' ) && has_term( '', 'module' )  )  {
+        if (is_singular('course') && has_term('', 'module')) {
 
             $this->load_course_module_content_template();
 
@@ -459,15 +459,15 @@ 
 
         if (method_exists('Sensei_Utils', 'is_preview_lesson') && Sensei_Utils::is_preview_lesson($lesson_id)) {
             $is_user_taking_course = Sensei_Utils::sensei_check_for_activity(array('post_id' => $course_id, 'user_id' => $current_user->ID, 'type' => 'sensei_course_status'));
-            if (!$is_user_taking_course) {
+            if ( ! $is_user_taking_course) {
                 if (method_exists('WooThemes_Sensei_Frontend', 'sensei_lesson_preview_title_text')) {
                     $title_text = Sensei()->frontend->sensei_lesson_preview_title_text($course_id);
                     // Remove brackets for display here
                     $title_text = str_replace('(', '', $title_text);
                     $title_text = str_replace(')', '', $title_text);
-                    $title_text = '<span class="preview-label">' . $title_text . '</span>';
+                    $title_text = '<span class="preview-label">'.$title_text.'</span>';
                 }
-                $title .= ' ' . $title_text;
+                $title .= ' '.$title_text;
             }
         }
 
@@ -481,8 +481,8 @@ 
         if (is_singular('lesson')) {
             if (has_term('', $this->taxonomy, $post->ID)) {
                 $module = $this->get_lesson_module($post->ID);
-                if( $module ) {
-                    $html .= ' ' . $separator . ' <a href="' . esc_url($module->url) . '" title="' .  __('Back to the module', 'woothemes-sensei') . '">' . $module->name . '</a>';
+                if ($module) {
+                    $html .= ' '.$separator.' <a href="'.esc_url($module->url).'" title="'.__('Back to the module', 'woothemes-sensei').'">'.$module->name.'</a>';
                 }
             }
         }
@@ -490,7 +490,7 @@ 
         if (is_tax($this->taxonomy)) {
             if (isset($_GET['course_id']) && 0 < intval($_GET['course_id'])) {
                 $course_id = intval($_GET['course_id']);
-                $html .= '<a href="' . esc_url(get_permalink($course_id)) . '" title="' .  __('Back to the course', 'woothemes-sensei') . '">' . get_the_title($course_id) . '</a>';
+                $html .= '<a href="'.esc_url(get_permalink($course_id)).'" title="'.__('Back to the course', 'woothemes-sensei').'">'.get_the_title($course_id).'</a>';
             }
         }
         return $html;
@@ -505,18 +505,18 @@ 
      */
     public function module_archive_template($template) {
 
-        if ( ! is_tax($this->taxonomy) ) {
+        if ( ! is_tax($this->taxonomy)) {
             return $template;
         }
 
         $file = 'archive-lesson.php';
-        $find = array( $file, Sensei()->template_url . $file );
+        $find = array($file, Sensei()->template_url.$file);
 
         // locate the template file
         $template = locate_template($find);
-        if (!$template) {
+        if ( ! $template) {
 
-            $template = Sensei()->plugin_path() . 'templates/' . $file;
+            $template = Sensei()->plugin_path().'templates/'.$file;
 
         }
 
@@ -542,7 +542,7 @@ 
             // Set order of lessons
             if (version_compare(Sensei()->version, '1.6.0', '>=')) {
                 $module_id = $query->queried_object_id;
-                $query->set('meta_key', '_order_module_' . $module_id);
+                $query->set('meta_key', '_order_module_'.$module_id);
                 $query->set('orderby', 'meta_value_num date');
             } else {
                 $query->set('orderby', 'menu_order');
@@ -603,10 +603,10 @@ 
                     $status = __('In progress', 'woothemes-sensei');
                     $class = 'in-progress';
                 }
-                echo '<p class="status ' . esc_attr($class) . '">' . $status . '</p>';
+                echo '<p class="status '.esc_attr($class).'">'.$status.'</p>';
             }
 
-            echo '<p class="archive-description module-description">' . apply_filters('sensei_module_archive_description', nl2br($module->description), $module->term_id) . '</p>';
+            echo '<p class="archive-description module-description">'.apply_filters('sensei_module_archive_description', nl2br($module->description), $module->term_id).'</p>';
         }
     }
 
@@ -731,7 +731,7 @@ 
     public function save_user_module_progress($module_id = 0, $course_id = 0, $user_id = 0)
     {
         $module_progress = $this->calculate_user_module_progress($user_id, $module_id, $course_id);
-        update_user_meta(intval($user_id), '_module_progress_' . intval($course_id) . '_' . intval($module_id), intval($module_progress));
+        update_user_meta(intval($user_id), '_module_progress_'.intval($course_id).'_'.intval($module_id), intval($module_progress));
 
         do_action('sensei_module_save_user_progress', $course_id, $module_id, $user_id, $module_progress);
     }
@@ -748,9 +748,9 @@ 
      */
     public function get_user_module_progress($module_id = 0, $course_id = 0, $user_id = 0)
     {
-        $module_progress = get_user_meta(intval($user_id), '_module_progress_' . intval($course_id) . '_' . intval($module_id), true);
+        $module_progress = get_user_meta(intval($user_id), '_module_progress_'.intval($course_id).'_'.intval($module_id), true);
         if ($module_progress) {
-            return (float)$module_progress;
+            return (float) $module_progress;
         }
         return false;
     }
@@ -803,7 +803,7 @@ 
         }
         $module_progress = ($completed_count / $lesson_count) * 100;
 
-        return (float)$module_progress;
+        return (float) $module_progress;
     }
 
     /**
@@ -816,7 +816,7 @@ 
     public function register_modules_admin_menu_items()
     {
         //add the modules link under the Course main menu
-        add_submenu_page('edit.php?post_type=course', __('Modules', 'woothemes-sensei'), __('Modules', 'woothemes-sensei'), 'manage_categories', 'edit-tags.php?taxonomy=module','' );
+        add_submenu_page('edit.php?post_type=course', __('Modules', 'woothemes-sensei'), __('Modules', 'woothemes-sensei'), 'manage_categories', 'edit-tags.php?taxonomy=module', '');
 
         // Regsiter new admin page for module ordering
         $hook = add_submenu_page('edit.php?post_type=course', __('Order Modules', 'woothemes-sensei'), __('Order Modules', 'woothemes-sensei'), 'edit_lessons', $this->order_page_slug, array($this, 'module_order_screen'));
@@ -843,19 +843,19 @@ 
             $ordered = $this->save_course_module_order(esc_attr($_POST['module-order']), esc_attr($_POST['course_id']));
 
             if ($ordered) {
-                $html .= '<div class="updated fade">' . "\n";
-                $html .= '<p>' . __('The module order has been saved for this course.', 'woothemes-sensei') . '</p>' . "\n";
-                $html .= '</div>' . "\n";
+                $html .= '<div class="updated fade">'."\n";
+                $html .= '<p>'.__('The module order has been saved for this course.', 'woothemes-sensei').'</p>'."\n";
+                $html .= '</div>'."\n";
             }
         }
 
         $courses = Sensei()->course->get_all_courses();
 
-        $html .= '<form action="' . admin_url('edit.php') . '" method="get">' . "\n";
-        $html .= '<input type="hidden" name="post_type" value="course" />' . "\n";
-        $html .= '<input type="hidden" name="page" value="' . esc_attr($this->order_page_slug) . '" />' . "\n";
-        $html .= '<select id="module-order-course" name="course_id">' . "\n";
-        $html .= '<option value="">' . __('Select a course', 'woothemes-sensei') . '</option>' . "\n";
+        $html .= '<form action="'.admin_url('edit.php').'" method="get">'."\n";
+        $html .= '<input type="hidden" name="post_type" value="course" />'."\n";
+        $html .= '<input type="hidden" name="page" value="'.esc_attr($this->order_page_slug).'" />'."\n";
+        $html .= '<select id="module-order-course" name="course_id">'."\n";
+        $html .= '<option value="">'.__('Select a course', 'woothemes-sensei').'</option>'."\n";
 
         foreach ($courses as $course) {
             if (has_term('', $this->taxonomy, $course->ID)) {
@@ -863,30 +863,30 @@ 
                 if (isset($_GET['course_id'])) {
                     $course_id = intval($_GET['course_id']);
                 }
-                $html .= '<option value="' . esc_attr(intval($course->ID)) . '" ' . selected($course->ID, $course_id, false) . '>' . get_the_title($course->ID) . '</option>' . "\n";
+                $html .= '<option value="'.esc_attr(intval($course->ID)).'" '.selected($course->ID, $course_id, false).'>'.get_the_title($course->ID).'</option>'."\n";
             }
         }
 
-        $html .= '</select>' . "\n";
-        $html .= '<input type="submit" class="button-primary module-order-select-course-submit" value="' . __('Select', 'woothemes-sensei') . '" />' . "\n";
-        $html .= '</form>' . "\n";
+        $html .= '</select>'."\n";
+        $html .= '<input type="submit" class="button-primary module-order-select-course-submit" value="'.__('Select', 'woothemes-sensei').'" />'."\n";
+        $html .= '</form>'."\n";
 
         if (isset($_GET['course_id'])) {
             $course_id = intval($_GET['course_id']);
             if ($course_id > 0) {
                 $modules = $this->get_course_modules($course_id);
-                $modules = $this->append_teacher_name_to_module( $modules, array( 'module' ), array() );
+                $modules = $this->append_teacher_name_to_module($modules, array('module'), array());
                 if ($modules) {
 
                     $order = $this->get_course_module_order($course_id);
 
-                    $order_string='';
+                    $order_string = '';
                     if ($order) {
                         $order_string = implode(',', $order);
                     }
 
-                    $html .= '<form id="editgrouping" method="post" action="" class="validate">' . "\n";
-                    $html .= '<ul class="sortable-module-list">' . "\n";
+                    $html .= '<form id="editgrouping" method="post" action="" class="validate">'."\n";
+                    $html .= '<ul class="sortable-module-list">'."\n";
                     $count = 0;
                     foreach ($modules as $module) {
                         $count++;
@@ -900,14 +900,14 @@ 
                         if ($count % 2 != 0) {
                             $class .= ' alternate';
                         }
-                        $html .= '<li class="' . esc_attr($class) . '"><span rel="' . esc_attr($module->term_id) . '" style="width: 100%;"> ' . $module->name . '</span></li>' . "\n";
+                        $html .= '<li class="'.esc_attr($class).'"><span rel="'.esc_attr($module->term_id).'" style="width: 100%;"> '.$module->name.'</span></li>'."\n";
                     }
-                    $html .= '</ul>' . "\n";
+                    $html .= '</ul>'."\n";
 
-                    $html .= '<input type="hidden" name="module-order" value="' . $order_string . '" />' . "\n";
-                    $html .= '<input type="hidden" name="course_id" value="' . $course_id . '" />' . "\n";
-                    $html .= '<input type="submit" class="button-primary" value="' . __('Save module order', 'woothemes-sensei') . '" />' . "\n";
-                    $html .= '<a href="' . admin_url('post.php?post=' . $course_id . '&action=edit') . '" class="button-secondary">' . __('Edit course', 'woothemes-sensei') . '</a>' . "\n";
+                    $html .= '<input type="hidden" name="module-order" value="'.$order_string.'" />'."\n";
+                    $html .= '<input type="hidden" name="course_id" value="'.$course_id.'" />'."\n";
+                    $html .= '<input type="submit" class="button-primary" value="'.__('Save module order', 'woothemes-sensei').'" />'."\n";
+                    $html .= '<a href="'.admin_url('post.php?post='.$course_id.'&action=edit').'" class="button-secondary">'.__('Edit course', 'woothemes-sensei').'</a>'."\n";
                 }
             }
         }
@@ -944,7 +944,7 @@ 
     {
         if ($column == 'module_order') {
             if (has_term('', $this->taxonomy, $course_id)) {
-                echo '<a class="button-secondary" href="' . admin_url('edit.php?post_type=course&page=module-order&course_id=' . urlencode(intval($course_id))) . '">' . __('Order modules', 'woothemes-sensei') . '</a>';
+                echo '<a class="button-secondary" href="'.admin_url('edit.php?post_type=course&page=module-order&course_id='.urlencode(intval($course_id))).'">'.__('Order modules', 'woothemes-sensei').'</a>';
             }
         }
     }
@@ -1036,7 +1036,7 @@ 
                 $args['post_type'] = 'lesson';
                 $lessons = get_posts($args);
                 $total_lessons = count($lessons);
-                $column_data = '<a href="' . admin_url('edit.php?module=' . urlencode($module->slug) . '&post_type=lesson') . '">' . intval($total_lessons) . '</a>';
+                $column_data = '<a href="'.admin_url('edit.php?module='.urlencode($module->slug).'&post_type=lesson').'">'.intval($total_lessons).'</a>';
                 break;
         }
 
@@ -1054,7 +1054,7 @@ 
     public function analysis_overview_column_title($columns)
     {
 
-        if ( isset( $_GET['view'] ) && 'lessons' == $_GET['view'] ) {
+        if (isset($_GET['view']) && 'lessons' == $_GET['view']) {
             $new_columns = array();
             if (is_array($columns) && 0 < count($columns)) {
                 foreach ($columns as $column => $title) {
@@ -1082,15 +1082,15 @@ 
      * @param  WP_Post $lesson
      * @return array              Updated column data
      */
-    public function analysis_overview_column_data($columns, $lesson )
+    public function analysis_overview_column_data($columns, $lesson)
     {
 
-        if ( isset( $_GET['view'] ) && 'lessons' == $_GET['view'] ) {
+        if (isset($_GET['view']) && 'lessons' == $_GET['view']) {
             $lesson_module = '';
             $lesson_module_list = wp_get_post_terms($lesson->ID, $this->taxonomy);
             if (is_array($lesson_module_list) && count($lesson_module_list) > 0) {
                 foreach ($lesson_module_list as $single_module) {
-                    $lesson_module = '<a href="' . esc_url(admin_url('edit-tags.php?action=edit&taxonomy=' . urlencode($this->taxonomy) . '&tag_ID=' . urlencode($single_module->term_id))) . '">' . $single_module->name . '</a>';
+                    $lesson_module = '<a href="'.esc_url(admin_url('edit-tags.php?action=edit&taxonomy='.urlencode($this->taxonomy).'&tag_ID='.urlencode($single_module->term_id))).'">'.$single_module->name.'</a>';
                     break;
                 }
             }
@@ -1111,7 +1111,7 @@ 
      */
     public function analysis_course_column_title($columns)
     {
-        if ( isset( $_GET['view'] ) && 'lessons' == $_GET['view'] ) {
+        if (isset($_GET['view']) && 'lessons' == $_GET['view']) {
             $columns['lesson_module'] = __('Module', 'woothemes-sensei');
         }
         return $columns;
@@ -1126,15 +1126,15 @@ 
      * @param  WP_Post $lesson
      * @return array              Updated columns data
      */
-    public function analysis_course_column_data($columns, $lesson )
+    public function analysis_course_column_data($columns, $lesson)
     {
 
-        if ( isset( $_GET['course_id'] ) ) {
+        if (isset($_GET['course_id'])) {
             $lesson_module = '';
             $lesson_module_list = wp_get_post_terms($lesson->ID, $this->taxonomy);
             if (is_array($lesson_module_list) && count($lesson_module_list) > 0) {
                 foreach ($lesson_module_list as $single_module) {
-                    $lesson_module = '<a href="' . esc_url(admin_url('edit-tags.php?action=edit&taxonomy=' . urlencode($this->taxonomy) . '&tag_ID=' . urlencode($single_module->term_id))) . '">' . $single_module->name . '</a>';
+                    $lesson_module = '<a href="'.esc_url(admin_url('edit-tags.php?action=edit&taxonomy='.urlencode($this->taxonomy).'&tag_ID='.urlencode($single_module->term_id))).'">'.$single_module->name.'</a>';
                     break;
                 }
             }
@@ -1161,7 +1161,7 @@ 
     public function get_lesson_module($lesson_id = 0)
     {
         $lesson_id = intval($lesson_id);
-        if ( ! ( intval( $lesson_id > 0) ) ) {
+        if ( ! (intval($lesson_id > 0))) {
             return false;
         }
 
@@ -1169,9 +1169,9 @@ 
         $modules = wp_get_post_terms($lesson_id, $this->taxonomy);
 
         //check if error returned
-        if(    empty( $modules )
-            || is_wp_error( $modules )
-            || isset( $modules['errors'] ) ){
+        if (empty($modules)
+            || is_wp_error($modules)
+            || isset($modules['errors'])) {
 
             return false;
 
@@ -1179,7 +1179,7 @@ 
 
        // get the last item in the array there should be only be 1 really.
        // this method works for all php versions.
-       foreach( $modules as $module ){
+       foreach ($modules as $module) {
            break;
        }
 
@@ -1192,7 +1192,7 @@ 
         if (isset($course_id) && 0 < $course_id) {
 
             // the course should contain the same module taxonomy term for this to be valid
-            if( ! has_term( $module, $this->taxonomy, $course_id)){
+            if ( ! has_term($module, $this->taxonomy, $course_id)) {
                 return false;
             }
 
@@ -1264,8 +1264,8 @@ 
      */
     public function enqueue_styles() {
 
-        wp_register_style($this->taxonomy . '-frontend', esc_url($this->assets_url) . 'css/modules-frontend.css', Sensei()->version );
-        wp_enqueue_style($this->taxonomy . '-frontend');
+        wp_register_style($this->taxonomy.'-frontend', esc_url($this->assets_url).'css/modules-frontend.css', Sensei()->version);
+        wp_enqueue_style($this->taxonomy.'-frontend');
 
     }
 
@@ -1276,37 +1276,37 @@ 
      *
      * @return void
      */
-    public function admin_enqueue_scripts( $hook ) {
+    public function admin_enqueue_scripts($hook) {
 
         /**
          * Filter the page hooks where modules admin script can be loaded on.
          *
          * @param array $white_listed_pages
          */
-        $script_on_pages_white_list = apply_filters( 'sensei_module_admin_script_page_white_lists', array(
+        $script_on_pages_white_list = apply_filters('sensei_module_admin_script_page_white_lists', array(
             'edit-tags.php',
             'course_page_module-order',
             'post-new.php',
             'post.php'
-        ) );
+        ));
 
-        if ( ! in_array( $hook, $script_on_pages_white_list ) ) {
+        if ( ! in_array($hook, $script_on_pages_white_list)) {
             return;
         }
 
-        $suffix = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
+        $suffix = defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ? '' : '.min';
 
-        wp_enqueue_script( 'sensei-chosen', Sensei()->plugin_url . 'assets/chosen/chosen.jquery' . $suffix . '.js', array( 'jquery' ), Sensei()->version , true);
-        wp_enqueue_script( 'sensei-chosen-ajax', Sensei()->plugin_url . 'assets/chosen/ajax-chosen.jquery' . $suffix . '.js', array( 'jquery', 'sensei-chosen' ), Sensei()->version , true );
-        wp_enqueue_script( $this->taxonomy . '-admin', esc_url( $this->assets_url ) . 'js/modules-admin' . $suffix . '.js', array( 'jquery', 'sensei-chosen', 'sensei-chosen-ajax', 'jquery-ui-sortable', 'sensei-core-select2' ), Sensei()->version, true );
+        wp_enqueue_script('sensei-chosen', Sensei()->plugin_url.'assets/chosen/chosen.jquery'.$suffix.'.js', array('jquery'), Sensei()->version, true);
+        wp_enqueue_script('sensei-chosen-ajax', Sensei()->plugin_url.'assets/chosen/ajax-chosen.jquery'.$suffix.'.js', array('jquery', 'sensei-chosen'), Sensei()->version, true);
+        wp_enqueue_script($this->taxonomy.'-admin', esc_url($this->assets_url).'js/modules-admin'.$suffix.'.js', array('jquery', 'sensei-chosen', 'sensei-chosen-ajax', 'jquery-ui-sortable', 'sensei-core-select2'), Sensei()->version, true);
 
         // localized module data
         $localize_modulesAdmin = array(
-            'search_courses_nonce' => wp_create_nonce( 'search-courses' ),
-            'selectPlaceholder'    => __( 'Search for courses', 'woothemes-sensei' )
+            'search_courses_nonce' => wp_create_nonce('search-courses'),
+            'selectPlaceholder'    => __('Search for courses', 'woothemes-sensei')
         );
 
-        wp_localize_script( $this->taxonomy . '-admin' ,'modulesAdmin', $localize_modulesAdmin );
+        wp_localize_script($this->taxonomy.'-admin', 'modulesAdmin', $localize_modulesAdmin);
     }
 
     /**
@@ -1318,8 +1318,8 @@ 
      */
     public function admin_enqueue_styles() {
 
-        wp_register_style($this->taxonomy . '-sortable', esc_url($this->assets_url) . 'css/modules-admin.css','',Sensei()->version );
-        wp_enqueue_style($this->taxonomy . '-sortable');
+        wp_register_style($this->taxonomy.'-sortable', esc_url($this->assets_url).'css/modules-admin.css', '', Sensei()->version);
+        wp_enqueue_style($this->taxonomy.'-sortable');
 
     }
 
@@ -1333,9 +1333,9 @@ 
      */
     public function course_modules_title( ) {
 
-       if( sensei_module_has_lessons() ){
+       if (sensei_module_has_lessons()) {
 
-            echo '<header><h2>' . __('Modules', 'woothemes-sensei') . '</h2></header>';
+            echo '<header><h2>'.__('Modules', 'woothemes-sensei').'</h2></header>';
 
         }
 
@@ -1348,22 +1348,22 @@ 
      * @since 1.8.0
      * @return void
      */
-    public function load_course_module_content_template(){
+    public function load_course_module_content_template() {
 
-	    if ( ! is_singular( 'course' )  ) {
+	    if ( ! is_singular('course')) {
 		    return;
 	    }
 
         // load backwards compatible template name if it exists in the users theme
-        $located_template= locate_template( Sensei()->template_url . 'single-course/course-modules.php' );
-        if( $located_template ){
+        $located_template = locate_template(Sensei()->template_url.'single-course/course-modules.php');
+        if ($located_template) {
 
-            Sensei_Templates::get_template( 'single-course/course-modules.php' );
+            Sensei_Templates::get_template('single-course/course-modules.php');
             return;
 
         }
 
-        Sensei_Templates::get_template( 'single-course/modules.php' );
+        Sensei_Templates::get_template('single-course/modules.php');
 
     } // end course_module_content
 
@@ -1376,15 +1376,15 @@ 
      * @param $term_id
      * @return array $lessons
      */
-    public function get_lessons( $course_id , $term_id ){
+    public function get_lessons($course_id, $term_id) {
 
-        $lesson_query = $this->get_lessons_query( $course_id, $term_id );
+        $lesson_query = $this->get_lessons_query($course_id, $term_id);
 
-        if( isset( $lesson_query->posts ) ){
+        if (isset($lesson_query->posts)) {
 
             return $lesson_query->posts;
 
-        }else{
+        } else {
 
             return array();
 
@@ -1401,9 +1401,9 @@ 
      * @param $term_id
      * @return WP_Query $lessons_query
      */
-    public function get_lessons_query( $course_id , $term_id ){
+    public function get_lessons_query($course_id, $term_id) {
 
-        if( empty( $term_id ) || empty( $course_id ) ){
+        if (empty($term_id) || empty($course_id)) {
 
             return array();
 
@@ -1424,7 +1424,7 @@ 
                 array(
                     'taxonomy' => 'module',
                     'field' => 'id',
-                    'terms' => intval( $term_id )
+                    'terms' => intval($term_id)
                 )
             ),
             'orderby' => 'menu_order',
@@ -1432,12 +1432,12 @@ 
             'suppress_filters' => 0
         );
 
-        if (version_compare( Sensei()->version, '1.6.0', '>=')) {
-            $args['meta_key'] = '_order_module_' . intval( $term_id );
+        if (version_compare(Sensei()->version, '1.6.0', '>=')) {
+            $args['meta_key'] = '_order_module_'.intval($term_id);
             $args['orderby'] = 'meta_value_num date';
         }
 
-        $lessons_query = new WP_Query( $args );
+        $lessons_query = new WP_Query($args);
 
         return $lessons_query;
 
@@ -1452,37 +1452,37 @@ 
      *
      * @return array $non_module_lessons
      */
-    public function get_none_module_lessons( $course_id ){
+    public function get_none_module_lessons($course_id) {
 
         $non_module_lessons = array();
 
         //exit if there is no course id passed in
-        if( empty( $course_id ) || 'course' != get_post_type( $course_id ) ) {
+        if (empty($course_id) || 'course' != get_post_type($course_id)) {
 
             return $non_module_lessons;
         }
 
         //save some time and check if we already have the saved
-        if( get_transient( 'sensei_'. $course_id .'_none_module_lessons') ){
+        if (get_transient('sensei_'.$course_id.'_none_module_lessons')) {
 
-            return get_transient( 'sensei_'. $course_id .'_none_module_lessons');
+            return get_transient('sensei_'.$course_id.'_none_module_lessons');
 
         }
 
         // create terms array which must be excluded from other arrays
-        $course_modules = $this->get_course_modules( $course_id );
+        $course_modules = $this->get_course_modules($course_id);
 
         //exit if there are no module on this course
-        if( empty( $course_modules ) || ! is_array( $course_modules ) ){
+        if (empty($course_modules) || ! is_array($course_modules)) {
 
-            return  Sensei()->course->course_lessons( $course_id );
+            return  Sensei()->course->course_lessons($course_id);
 
         }
 
         $terms = array();
-        foreach( $course_modules as $module ){
+        foreach ($course_modules as $module) {
 
-            array_push( $terms ,  $module->term_id );
+            array_push($terms, $module->term_id);
 
         }
 
@@ -1493,7 +1493,7 @@ 
             'meta_query' => array(
                 array(
                     'key' => '_lesson_course',
-                    'value' => intval( $course_id ),
+                    'value' => intval($course_id),
                     'compare' => '='
                 )
             ),
@@ -1510,11 +1510,11 @@ 
             'suppress_filters' => 0
         );
 
-        $wp_lessons_query = new WP_Query( $args );
+        $wp_lessons_query = new WP_Query($args);
 
-        if( isset( $wp_lessons_query->posts) && count( $wp_lessons_query->posts ) > 0  ){
+        if (isset($wp_lessons_query->posts) && count($wp_lessons_query->posts) > 0) {
             $non_module_lessons = $wp_lessons_query->get_posts();
-            set_transient( 'sensei_'. $course_id .'_none_module_lessons', $non_module_lessons, 10 * DAY_IN_SECONDS );
+            set_transient('sensei_'.$course_id.'_none_module_lessons', $non_module_lessons, 10 * DAY_IN_SECONDS);
         }
 
         return $non_module_lessons;
@@ -1525,7 +1525,7 @@ 
      *
      * @since 1.8.0
      */
-    public function setup_modules_taxonomy(){
+    public function setup_modules_taxonomy() {
 
         $labels = array(
             'name' => __('Modules', 'woothemes-sensei'),
@@ -1562,11 +1562,11 @@ 
             'show_in_nav_menus' => false,
             'show_in_quick_edit' => false,
             'show_ui' => true,
-            'rewrite' => array('slug' => $modules_rewrite_slug ),
+            'rewrite' => array('slug' => $modules_rewrite_slug),
             'labels' => $labels
         );
 
-        register_taxonomy( 'module' , array('course', 'lesson'), $args);
+        register_taxonomy('module', array('course', 'lesson'), $args);
 
     }// end setup_modules_taxonomy
 
@@ -1578,12 +1578,12 @@ 
      * @since 1.8.0
      * @return void
      */
-    function redirect_to_lesson_module_taxonomy_to_course( ){
+    function redirect_to_lesson_module_taxonomy_to_course( ) {
 
-        global $typenow , $taxnow;
+        global $typenow, $taxnow;
 
-        if( 'lesson'== $typenow && 'module'==$taxnow ){
-            wp_safe_redirect( esc_url_raw( 'edit-tags.php?taxonomy=module&post_type=course'  ) );
+        if ('lesson' == $typenow && 'module' == $taxnow) {
+            wp_safe_redirect(esc_url_raw('edit-tags.php?taxonomy=module&post_type=course'));
         }
 
     }// end redirect to course taxonomy
@@ -1596,18 +1596,18 @@ 
      * @since 1.8.0
      * @return void
      */
-    public function remove_lessons_menu_model_taxonomy(){
+    public function remove_lessons_menu_model_taxonomy() {
         global $submenu;
 
-        if( ! isset( $submenu['edit.php?post_type=lesson'] ) || !is_array( $submenu['edit.php?post_type=lesson'] ) ){
+        if ( ! isset($submenu['edit.php?post_type=lesson']) || ! is_array($submenu['edit.php?post_type=lesson'])) {
             return; // exit
         }
 
         $lesson_main_menu = $submenu['edit.php?post_type=lesson'];
-        foreach( $lesson_main_menu as $index => $sub_item ){
+        foreach ($lesson_main_menu as $index => $sub_item) {
 
-            if( 'edit-tags.php?taxonomy=module&amp;post_type=lesson' == $sub_item[2] ){
-                unset( $submenu['edit.php?post_type=lesson'][ $index ]);
+            if ('edit-tags.php?taxonomy=module&amp;post_type=lesson' == $sub_item[2]) {
+                unset($submenu['edit.php?post_type=lesson'][$index]);
             }
         }
 
@@ -1621,18 +1621,18 @@ 
      * @since 1.8.0
      * @return void
      */
-    public function remove_courses_menu_model_taxonomy(){
+    public function remove_courses_menu_model_taxonomy() {
         global $submenu;
 
-        if( ! isset( $submenu['edit.php?post_type=course'] ) || !is_array( $submenu['edit.php?post_type=course'] ) ){
+        if ( ! isset($submenu['edit.php?post_type=course']) || ! is_array($submenu['edit.php?post_type=course'])) {
             return; // exit
         }
 
         $course_main_menu = $submenu['edit.php?post_type=course'];
-        foreach( $course_main_menu as $index => $sub_item ){
+        foreach ($course_main_menu as $index => $sub_item) {
 
-            if( 'edit-tags.php?taxonomy=module&amp;post_type=course' == $sub_item[2] ){
-                unset( $submenu['edit.php?post_type=course'][ $index ]);
+            if ('edit-tags.php?taxonomy=module&amp;post_type=course' == $sub_item[2]) {
+                unset($submenu['edit.php?post_type=course'][$index]);
             }
         }
 
@@ -1648,12 +1648,12 @@ 
      * @param string $term_name
      * @return array $owners { type WP_User }. Empty array if none if found.
      */
-    public static function get_term_authors( $term_name ){
+    public static function get_term_authors($term_name) {
 
-        $terms = get_terms( array( 'module') , array( 'name__like'=>$term_name, 'hide_empty' => false )  );
+        $terms = get_terms(array('module'), array('name__like'=>$term_name, 'hide_empty' => false));
 
         $owners = array();
-        if( empty( $terms ) ){
+        if (empty($terms)) {
 
             return $owners;
 
@@ -1663,11 +1663,11 @@ 
 
 
         //if there are more handle them appropriately and get the ones we really need that matches the desired name exactly
-        foreach( $terms as $term){
-            if( $term->name == $term_name ){
+        foreach ($terms as $term) {
+            if ($term->name == $term_name) {
 
                 // look for the author in the slug
-                $owners[] = Sensei_Core_Modules::get_term_author( $term->slug  );
+                $owners[] = Sensei_Core_Modules::get_term_author($term->slug);
 
             }// end if term name
 
@@ -1688,30 +1688,30 @@ 
      * @param $slug
      * @return WP_User $author if no author is found or invalid term is passed the admin user will be returned.
      */
-    public static function get_term_author( $slug='' ){
+    public static function get_term_author($slug = '') {
 
-        $term_owner = get_user_by( 'email', get_bloginfo( 'admin_email' ) );
+        $term_owner = get_user_by('email', get_bloginfo('admin_email'));
 
-        if( empty( $slug ) ){
+        if (empty($slug)) {
 
             return $term_owner;
 
         }
 
         // look for the author in the slug
-        $slug_parts = explode( '-', $slug );
+        $slug_parts = explode('-', $slug);
 
-        if( count( $slug_parts ) > 1 ){
+        if (count($slug_parts) > 1) {
 
             // get the user data
             $possible_user_id = $slug_parts[0];
-            $author = get_userdata( $possible_user_id );
+            $author = get_userdata($possible_user_id);
 
             // if the user doesnt exist for the first part of the slug
             // then this slug was also created by admin
-            if( is_a( $author, 'WP_User' ) ){
+            if (is_a($author, 'WP_User')) {
 
-                $term_owner =  $author;
+                $term_owner = $author;
 
             }
         }
@@ -1728,48 +1728,48 @@ 
      *
      * @param WP_Post $post Post object.
      */
-    public function course_module_metabox( $post ) {
+    public function course_module_metabox($post) {
 
         $tax_name = 'module';
-        $taxonomy = get_taxonomy( 'module' );
+        $taxonomy = get_taxonomy('module');
 
         ?>
         <div id="taxonomy-<?php echo $tax_name; ?>" class="categorydiv">
             <ul id="<?php echo $tax_name; ?>-tabs" class="category-tabs">
                 <li class="tabs"><a href="#<?php echo $tax_name; ?>-all"><?php echo $taxonomy->labels->all_items; ?></a></li>
-                <li class="hide-if-no-js"><a href="#<?php echo $tax_name; ?>-pop"><?php _e( 'Most Used' ); ?></a></li>
+                <li class="hide-if-no-js"><a href="#<?php echo $tax_name; ?>-pop"><?php _e('Most Used'); ?></a></li>
             </ul>
 
             <div id="<?php echo $tax_name; ?>-pop" class="tabs-panel" style="display: none;">
                 <ul id="<?php echo $tax_name; ?>checklist-pop" class="categorychecklist form-no-clear" >
-                    <?php $popular_ids = wp_popular_terms_checklist( $tax_name ); ?>
+                    <?php $popular_ids = wp_popular_terms_checklist($tax_name); ?>
                 </ul>
             </div>
 
             <div id="<?php echo $tax_name; ?>-all" class="tabs-panel">
                 <?php
-                $name = ( $tax_name == 'category' ) ? 'post_category' : 'tax_input[' . $tax_name . ']';
+                $name = ($tax_name == 'category') ? 'post_category' : 'tax_input['.$tax_name.']';
                 echo "<input type='hidden' name='{$name}[]' value='0' />"; // Allows for an empty term set to be sent. 0 is an invalid Term ID and will be ignored by empty() checks.
                 ?>
                 <ul id="<?php echo $tax_name; ?>checklist" data-wp-lists="list:<?php echo $tax_name; ?>" class="categorychecklist form-no-clear">
-                    <?php wp_terms_checklist( $post->ID, array( 'taxonomy'=>$tax_name , 'popular_cats' => $popular_ids ) ); ?>
+                    <?php wp_terms_checklist($post->ID, array('taxonomy'=>$tax_name, 'popular_cats' => $popular_ids)); ?>
                 </ul>
             </div>
-            <?php if ( current_user_can( $taxonomy->cap->edit_terms ) ) : ?>
+            <?php if (current_user_can($taxonomy->cap->edit_terms)) : ?>
                 <div id="<?php echo $tax_name; ?>-adder" class="wp-hidden-children">
                     <h4>
                         <a id="sensei-<?php echo $tax_name; ?>-add-toggle" href="#<?php echo $tax_name; ?>-add" class="hide-if-no-js">
                             <?php
                             /* translators: %s: add new taxonomy label */
-                            printf( __( '+ %s' ), $taxonomy->labels->add_new_item );
+                            printf(__('+ %s'), $taxonomy->labels->add_new_item);
                             ?>
                         </a>
                     </h4>
                     <p id="sensei-<?php echo $tax_name; ?>-add" class="category-add wp-hidden-child">
                         <label class="screen-reader-text" for="new<?php echo $tax_name; ?>"><?php echo $taxonomy->labels->add_new_item; ?></label>
-                        <input type="text" name="new<?php echo $tax_name; ?>" id="new<?php echo $tax_name; ?>" class="form-required form-input-tip" value="<?php echo esc_attr( $taxonomy->labels->new_item_name ); ?>" aria-required="true"/>
-                        <a class="button" id="sensei-<?php echo $tax_name; ?>-add-submit" class="button category-add-submit"><?php echo esc_attr( $taxonomy->labels->add_new_item ); ?></a>
-                        <?php wp_nonce_field( '_ajax_nonce-add-' . $tax_name, 'add_module_nonce' ); ?>
+                        <input type="text" name="new<?php echo $tax_name; ?>" id="new<?php echo $tax_name; ?>" class="form-required form-input-tip" value="<?php echo esc_attr($taxonomy->labels->new_item_name); ?>" aria-required="true"/>
+                        <a class="button" id="sensei-<?php echo $tax_name; ?>-add-submit" class="button category-add-submit"><?php echo esc_attr($taxonomy->labels->add_new_item); ?></a>
+                        <?php wp_nonce_field('_ajax_nonce-add-'.$tax_name, 'add_module_nonce'); ?>
                         <span id="<?php echo $tax_name; ?>-ajax-response"></span>
                     </p>
                 </div>
@@ -1789,55 +1789,55 @@ 
     public static function add_new_module_term( ) {
 
 
-        if( ! isset( $_POST[ 'security' ] ) || ! wp_verify_nonce( $_POST[ 'security' ], '_ajax_nonce-add-module'  ) ){
-            wp_send_json_error( array('error'=> 'wrong security nonce') );
+        if ( ! isset($_POST['security']) || ! wp_verify_nonce($_POST['security'], '_ajax_nonce-add-module')) {
+            wp_send_json_error(array('error'=> 'wrong security nonce'));
         }
 
         // get the term an create the new term storing infomration
-        $term_name = sanitize_text_field( $_POST['newTerm'] );
+        $term_name = sanitize_text_field($_POST['newTerm']);
 
-        if( current_user_can('manage_options' ) ) {
+        if (current_user_can('manage_options')) {
 
-            $term_slug = str_ireplace(' ', '-', trim( $term_name ) );
+            $term_slug = str_ireplace(' ', '-', trim($term_name));
 
         } else {
 
-            $term_slug =  get_current_user_id() . '-' . str_ireplace(' ', '-', trim( $term_name ) );
+            $term_slug = get_current_user_id().'-'.str_ireplace(' ', '-', trim($term_name));
 
         }
 
-        $course_id = sanitize_text_field( $_POST['course_id'] );
+        $course_id = sanitize_text_field($_POST['course_id']);
 
         // save the term
-        $slug = wp_insert_term( $term_name,'module', array('slug'=> $term_slug)  );
+        $slug = wp_insert_term($term_name, 'module', array('slug'=> $term_slug));
 
         // send error for all errors except term exits
-        if( is_wp_error( $slug ) ){
+        if (is_wp_error($slug)) {
 
             // prepare for possible term name and id to be passed down if term exists
             $term_data = array();
 
             // if term exists also send back the term name and id
-            if( isset( $slug->errors['term_exists'] ) ){
+            if (isset($slug->errors['term_exists'])) {
 
-                $term = get_term_by( 'slug', $term_slug, 'module');
+                $term = get_term_by('slug', $term_slug, 'module');
                 $term_data['name'] = $term_name;
                 $term_data['id'] = $term->term_id;
 
                 // set the object terms
-                wp_set_object_terms( $course_id, $term->term_id, 'module', true );
+                wp_set_object_terms($course_id, $term->term_id, 'module', true);
             }
 
-            wp_send_json_error(array( 'errors'=>$slug->errors , 'term'=> $term_data ) );
+            wp_send_json_error(array('errors'=>$slug->errors, 'term'=> $term_data));
 
         }
 
         //make sure the new term is checked for this course
 
-        wp_set_object_terms( $course_id, $slug['term_id'], 'module', true );
+        wp_set_object_terms($course_id, $slug['term_id'], 'module', true);
 
         // Handle request then generate response using WP_Ajax_Response
-        wp_send_json_success( array( 'termId' => $slug['term_id'], 'termName' => $term_name ) );
+        wp_send_json_success(array('termId' => $slug['term_id'], 'termName' => $term_name));
 
     }
 
@@ -1849,26 +1849,26 @@ 
      *
      * @since 1.8.0
      */
-    public function filter_module_terms( $terms, $taxonomies, $args ){
+    public function filter_module_terms($terms, $taxonomies, $args) {
 
         //dont limit for admins and other taxonomies. This should also only apply to admin
-        if( current_user_can( 'manage_options' ) || !in_array( 'module', $taxonomies ) || ! is_admin()  ){
+        if (current_user_can('manage_options') || ! in_array('module', $taxonomies) || ! is_admin()) {
             return $terms;
         }
 
         // avoid infinite call loop
-        remove_filter('get_terms', array( $this, 'filter_module_terms' ), 20, 3 );
+        remove_filter('get_terms', array($this, 'filter_module_terms'), 20, 3);
 
         // in certain cases the array is passed in as reference to the parent term_id => parent_id
-        if( isset( $args['fields'] ) && 'id=>parent' == $args['fields'] ){
+        if (isset($args['fields']) && 'id=>parent' == $args['fields']) {
             // change only scrub the terms ids form the array keys
-            $terms = array_keys( $terms );
+            $terms = array_keys($terms);
         }
 
-        $teachers_terms =  $this->filter_terms_by_owner( $terms, get_current_user_id() );
+        $teachers_terms = $this->filter_terms_by_owner($terms, get_current_user_id());
 
         // add filter again as removed above
-        add_filter('get_terms', array( $this, 'filter_module_terms' ), 20, 3 );
+        add_filter('get_terms', array($this, 'filter_module_terms'), 20, 3);
 
         return $teachers_terms;
     }// end filter_module_terms
@@ -1881,25 +1881,25 @@ 
      *
      * @since 1.8.0
      */
-    public function filter_course_selected_terms( $terms, $course_ids_array, $taxonomies ){
+    public function filter_course_selected_terms($terms, $course_ids_array, $taxonomies) {
 
         //dont limit for admins and other taxonomies. This should also only apply to admin
-        if( current_user_can( 'manage_options' ) || ! is_admin() || empty( $terms )
+        if (current_user_can('manage_options') || ! is_admin() || empty($terms)
             // only apply this to module only taxonomy queries so 1 taxonomy only:
-            ||  count( $taxonomies ) > 1 || !in_array( 'module', $taxonomies )  ){
+            ||  count($taxonomies) > 1 || ! in_array('module', $taxonomies)) {
             return $terms;
         }
 
-        $term_objects = $this->filter_terms_by_owner( $terms, get_current_user_id() );
+        $term_objects = $this->filter_terms_by_owner($terms, get_current_user_id());
 
         // if term objects were passed in send back objects
         // if term id were passed in send that back
-        if( is_object( $terms[0] ) ){
+        if (is_object($terms[0])) {
             return $term_objects;
         }
 
         $terms = array();
-        foreach( $term_objects as $term_object ){
+        foreach ($term_objects as $term_object) {
             $terms[] = $term_object->term_id;
         }
 
@@ -1917,20 +1917,20 @@ 
      * @param $user_id
      * @return array
      */
-    public function filter_terms_by_owner( $terms, $user_id ){
+    public function filter_terms_by_owner($terms, $user_id) {
 
         $users_terms = array();
 
-        foreach( $terms as $index => $term ){
+        foreach ($terms as $index => $term) {
 
-            if( is_numeric( $term ) ){
+            if (is_numeric($term)) {
                 // the term id was given, get the term object
-                $term = get_term( $term, 'module' );
+                $term = get_term($term, 'module');
             }
 
-            $author = Sensei_Core_Modules::get_term_author( $term->slug );
+            $author = Sensei_Core_Modules::get_term_author($term->slug);
 
-            if ( $user_id == $author->ID ) {
+            if ($user_id == $author->ID) {
                 // add the term to the teachers terms
                 $users_terms[] = $term;
             }
@@ -1949,34 +1949,34 @@ 
      *
      * @since 1.8.0
      */
-    public function append_teacher_name_to_module( $terms, $taxonomies, $args )
+    public function append_teacher_name_to_module($terms, $taxonomies, $args)
     {
 
         // only for admin users ont he module taxonomy
-        if ( empty( $terms ) || !current_user_can('manage_options') || !in_array('module', $taxonomies) || !is_admin()) {
+        if (empty($terms) || ! current_user_can('manage_options') || ! in_array('module', $taxonomies) || ! is_admin()) {
             return $terms;
         }
 
         // in certain cases the array is passed in as reference to the parent term_id => parent_id
         // simply return this as wp doesn't need an array of stdObject Term
-        if (isset( $args['fields'] ) && 'id=>parent' == $args['fields']) {
+        if (isset($args['fields']) && 'id=>parent' == $args['fields']) {
 
             return $terms;
 
         }
 
         // loop through and update all terms adding the author name
-        foreach( $terms as $index => $term ){
+        foreach ($terms as $index => $term) {
 
-            if( is_numeric( $term ) ){
+            if (is_numeric($term)) {
                 // the term id was given, get the term object
-                $term = get_term( $term, 'module' );
+                $term = get_term($term, 'module');
             }
 
-            $author = Sensei_Core_Modules::get_term_author( $term->slug );
+            $author = Sensei_Core_Modules::get_term_author($term->slug);
 
-            if( ! user_can( $author, 'manage_options' ) && isset( $term->name ) ) {
-                $term->name = $term->name . ' (' . $author->display_name . ') ';
+            if ( ! user_can($author, 'manage_options') && isset($term->name)) {
+                $term->name = $term->name.' ('.$author->display_name.') ';
             }
 
             // add the term to the teachers terms
@@ -2005,23 +2005,23 @@ 
      * @sine 1.9.0
      * @param $post_id
      */
-    public static function reset_none_modules_transient ( $post_id ){
+    public static function reset_none_modules_transient($post_id) {
 
         // this should only apply to course and lesson post types
-        if( in_array( get_post_type( $post_id ), array( 'course', 'lesson' ) ) ){
+        if (in_array(get_post_type($post_id), array('course', 'lesson'))) {
 
             $course_id = '';
 
-            if( 'lesson' == get_post_type( $post_id ) ){
+            if ('lesson' == get_post_type($post_id)) {
 
-                $course_id = Sensei()->lesson->get_course_id( $post_id );
+                $course_id = Sensei()->lesson->get_course_id($post_id);
 
             }
 
 
-            if( !empty( $course_id ) ){
+            if ( ! empty($course_id)) {
 
-                delete_transient( 'sensei_'. $course_id .'_none_module_lessons' );
+                delete_transient('sensei_'.$course_id.'_none_module_lessons');
 
             }
 
@@ -2036,9 +2036,9 @@ 
      * @deprecated since 1.9.0
      *
      */
-    public static function deprecate_sensei_single_course_modules_content(){
+    public static function deprecate_sensei_single_course_modules_content() {
 
-        sensei_do_deprecated_action( 'sensei_single_course_modules_content','1.9.0','sensei_single_course_modules_before or sensei_single_course_modules_after' );
+        sensei_do_deprecated_action('sensei_single_course_modules_content', '1.9.0', 'sensei_single_course_modules_before or sensei_single_course_modules_after');
 
     }
 
@@ -2049,12 +2049,12 @@ 
      *
      * @since 1.9.0
      */
-    public static function setup_single_course_module_loop(){
+    public static function setup_single_course_module_loop() {
 
         global $sensei_modules_loop, $post;
         $course_id = $post->ID;
 
-        $modules = Sensei()->modules->get_course_modules( $course_id );
+        $modules = Sensei()->modules->get_course_modules($course_id);
 
         //initial setup
         $sensei_modules_loop['total'] = 0;
@@ -2062,22 +2062,22 @@ 
         $sensei_modules_loop['current'] = -1;
 
         // exit if this course doesn't have modules
-        if( !$modules || empty( $modules )  ){
+        if ( ! $modules || empty($modules)) {
             return;
         }
 
 
         $lessons_in_all_modules = array();
-        foreach( $modules as $term ){
+        foreach ($modules as $term) {
 
-            $lessons_in_this_module = Sensei()->modules->get_lessons( $course_id , $term->term_id);
-            $lessons_in_all_modules = array_merge(  $lessons_in_all_modules, $lessons_in_this_module  );
+            $lessons_in_this_module = Sensei()->modules->get_lessons($course_id, $term->term_id);
+            $lessons_in_all_modules = array_merge($lessons_in_all_modules, $lessons_in_this_module);
 
         }
 
 
         //setup all of the modules loop variables
-        $sensei_modules_loop['total'] = count( $modules );
+        $sensei_modules_loop['total'] = count($modules);
         $sensei_modules_loop['modules'] = $modules;
         $sensei_modules_loop['current'] = -1;
         $sensei_modules_loop['course_id'] = $course_id;
@@ -2090,7 +2090,7 @@ 
      * @since 1.9.0
      *
      */
-    public static function teardown_single_course_module_loop(){
+    public static function teardown_single_course_module_loop() {
 
         global $sensei_modules_loop, $wp_query, $post;