woothemes / sensei

includes/class-sensei-modules.php

Spacing +268 added lines, -268 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;
             }
 
@@ -1213,12 +1213,12 @@ 
 	public function get_course_modules($course_id = 0)
 	{
 		$course_id = intval($course_id);
-		if ( empty(  $course_id ) ) {
+		if (empty($course_id)) {
 			return array();
 		}
 
 		// Get modules for course
-		$modules = wp_get_post_terms( $course_id, $this->taxonomy );
+		$modules = wp_get_post_terms($course_id, $this->taxonomy);
 
 		// Get custom module order for course
 		$order = $this->get_course_module_order($course_id);
@@ -1230,7 +1230,7 @@ 
 		// Sort by custom order
 		$ordered_modules = array();
 		$unordered_modules = array();
-		foreach ( $modules as $module ) {
+		foreach ($modules as $module) {
 			$order_key = array_search($module->term_id, $order);
 			if ($order_key !== false) {
 				$ordered_modules[$order_key] = $module;
@@ -1240,16 +1240,16 @@ 
 		}
 
 		// Order modules correctly
-		ksort( $ordered_modules );
+		ksort($ordered_modules);
 
 		// Append modules that have not yet been ordered
-		if ( count($unordered_modules) > 0 ) {
+		if (count($unordered_modules) > 0) {
 			$ordered_modules = array_merge($ordered_modules, $unordered_modules);
 		}
 
 		// remove order key but maintain order
 		$ordered_modules_with_keys_in_sequence = array();
-		foreach ( $ordered_modules as $key => $module ) {
+		foreach ($ordered_modules as $key => $module) {
 
 			$ordered_modules_with_keys_in_sequence[] = $module;
 
@@ -1268,8 +1268,8 @@ 
      */
     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');
 
     }
 
@@ -1280,37 +1280,37 @@ 
      *
      * @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);
     }
 
     /**
@@ -1322,8 +1322,8 @@ 
      */
     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');
 
     }
 
@@ -1337,9 +1337,9 @@ 
      */
     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>';
 
         }
 
@@ -1352,22 +1352,22 @@ 
      * @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
 
@@ -1380,15 +1380,15 @@ 
      * @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();
 
@@ -1405,9 +1405,9 @@ 
      * @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();
 
@@ -1428,7 +1428,7 @@ 
                 array(
                     'taxonomy' => 'module',
                     'field' => 'id',
-                    'terms' => intval( $term_id )
+                    'terms' => intval($term_id)
                 )
             ),
             'orderby' => 'menu_order',
@@ -1436,12 +1436,12 @@ 
             '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;
 
@@ -1456,37 +1456,37 @@ 
      *
      * @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);
 
         }
 
@@ -1497,7 +1497,7 @@ 
             'meta_query' => array(
                 array(
                     'key' => '_lesson_course',
-                    'value' => intval( $course_id ),
+                    'value' => intval($course_id),
                     'compare' => '='
                 )
             ),
@@ -1514,11 +1514,11 @@ 
             '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;
@@ -1529,7 +1529,7 @@ 
      *
      * @since 1.8.0
      */
-    public function setup_modules_taxonomy(){
+    public function setup_modules_taxonomy() {
 
         $labels = array(
             'name' => __('Modules', 'woothemes-sensei'),
@@ -1566,11 +1566,11 @@ 
             '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
 
@@ -1582,12 +1582,12 @@ 
      * @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
@@ -1600,18 +1600,18 @@ 
      * @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]);
             }
         }
 
@@ -1625,18 +1625,18 @@ 
      * @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]);
             }
         }
 
@@ -1652,12 +1652,12 @@ 
      * @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;
 
@@ -1667,11 +1667,11 @@ 
 
 
         //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
 
@@ -1692,30 +1692,30 @@ 
      * @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;
 
             }
         }
@@ -1732,48 +1732,48 @@ 
      *
      * @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>
@@ -1793,55 +1793,55 @@ 
     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));
 
     }
 
@@ -1853,26 +1853,26 @@ 
      *
      * @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
@@ -1885,25 +1885,25 @@ 
      *
      * @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;
         }
 
@@ -1921,20 +1921,20 @@ 
      * @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;
             }
@@ -1953,34 +1953,34 @@ 
      *
      * @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
@@ -2009,23 +2009,23 @@ 
      * @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');
 
             }
 
@@ -2040,9 +2040,9 @@ 
      * @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');
 
     }
 
@@ -2053,12 +2053,12 @@ 
      *
      * @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;
@@ -2066,22 +2066,22 @@ 
         $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;
@@ -2094,7 +2094,7 @@ 
      * @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;