View GitHub Repository sensei

Schedule Inspection
Subscribe
Completed
Push — master ( f4562a...1bc7ca )
by Dwain
10:11
created
Status
Category
Toggle Patches
includes/class-sensei-lesson.php 1 patch
Spacing   +1105 added lines, -1105 removed lines patch added patch discarded remove patch 
@@ -1,5 +1,5 @@  discard block
 
 block discarded – undo
1 1 
 <?php
2 
-if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
2 
+if ( ! defined('ABSPATH')) exit; // Exit if accessed directly
3 3
4 4 
 /**
5 5 
  * Sensei Lessons Class
 
@@ -19,83 +19,83 @@  discard block
 
 block discarded – undo
19 19 
 	 * Constructor.
20 20 
 	 * @since  1.0.0
21 21 
 	 */
22 
-	public function __construct () {
22 
+	public function __construct() {
23 23
24 24 
         $this->token = 'lesson';
25 25
26 26 
 		// Setup meta fields for this post type
27 
-		$this->meta_fields = array( 'lesson_prerequisite', 'lesson_course', 'lesson_preview', 'lesson_length', 'lesson_complexity', 'lesson_video_embed' );
27 
+		$this->meta_fields = array('lesson_prerequisite', 'lesson_course', 'lesson_preview', 'lesson_length', 'lesson_complexity', 'lesson_video_embed');
28 28
29 29 
         $this->question_order = '';
30 30
31 31 
 		// Admin actions
32 
-		if ( is_admin() ) {
32 
+		if (is_admin()) {
33 33
34 34 
 			// Metabox functions
35 
-			add_action( 'admin_menu', array( $this, 'meta_box_setup' ), 20 );
36 
-			add_action( 'save_post', array( $this, 'meta_box_save' ) );
37 
-			add_action( 'save_post', array( $this, 'quiz_update' ) );
35 
+			add_action('admin_menu', array($this, 'meta_box_setup'), 20);
36 
+			add_action('save_post', array($this, 'meta_box_save'));
37 
+			add_action('save_post', array($this, 'quiz_update'));
38 38
39 39 
 			// Custom Write Panel Columns
40 
-			add_filter( 'manage_edit-lesson_columns', array( $this, 'add_column_headings' ), 10, 1 );
41 
-			add_action( 'manage_posts_custom_column', array( $this, 'add_column_data' ), 10, 2 );
40 
+			add_filter('manage_edit-lesson_columns', array($this, 'add_column_headings'), 10, 1);
41 
+			add_action('manage_posts_custom_column', array($this, 'add_column_data'), 10, 2);
42 42
43 43 
 			// Add/Update question
44 
-			add_action( 'wp_ajax_lesson_update_question', array( $this, 'lesson_update_question' ) );
45 
-			add_action( 'wp_ajax_nopriv_lesson_update_question', array( $this, 'lesson_update_question' ) );
44 
+			add_action('wp_ajax_lesson_update_question', array($this, 'lesson_update_question'));
45 
+			add_action('wp_ajax_nopriv_lesson_update_question', array($this, 'lesson_update_question'));
46 46
47 47 
 			// Add course
48 
-			add_action( 'wp_ajax_lesson_add_course', array( $this, 'lesson_add_course' ) );
49 
-			add_action( 'wp_ajax_nopriv_lesson_add_course', array( $this, 'lesson_add_course' ) );
48 
+			add_action('wp_ajax_lesson_add_course', array($this, 'lesson_add_course'));
49 
+			add_action('wp_ajax_nopriv_lesson_add_course', array($this, 'lesson_add_course'));
50 50
51 51 
 			// Update grade type
52 
-			add_action( 'wp_ajax_lesson_update_grade_type', array( $this, 'lesson_update_grade_type' ) );
53 
-			add_action( 'wp_ajax_nopriv_lesson_update_grade_type', array( $this, 'lesson_update_grade_type' ) );
52 
+			add_action('wp_ajax_lesson_update_grade_type', array($this, 'lesson_update_grade_type'));
53 
+			add_action('wp_ajax_nopriv_lesson_update_grade_type', array($this, 'lesson_update_grade_type'));
54 54
55 55 
 			// Update question order
56 
-			add_action( 'wp_ajax_lesson_update_question_order', array( $this, 'lesson_update_question_order' ) );
57 
-			add_action( 'wp_ajax_nopriv_lesson_update_question_order', array( $this, 'lesson_update_question_order' ) );
56 
+			add_action('wp_ajax_lesson_update_question_order', array($this, 'lesson_update_question_order'));
57 
+			add_action('wp_ajax_nopriv_lesson_update_question_order', array($this, 'lesson_update_question_order'));
58 58
59 59 
 			//Update question order
60 
-			add_action( 'wp_ajax_lesson_update_question_order_random', array( $this, 'lesson_update_question_order_random' ) );
61 
-			add_action( 'wp_ajax_nopriv_lesson_update_question_order_random', array( $this, 'lesson_update_question_order_random' ) );
60 
+			add_action('wp_ajax_lesson_update_question_order_random', array($this, 'lesson_update_question_order_random'));
61 
+			add_action('wp_ajax_nopriv_lesson_update_question_order_random', array($this, 'lesson_update_question_order_random'));
62 62
63 63 
 			// Get answer ID
64 
-			add_action( 'wp_ajax_question_get_answer_id', array( $this, 'question_get_answer_id' ) );
65 
-			add_action( 'wp_ajax_nopriv_question_get_answer_id', array( $this, 'question_get_answer_id' ) );
64 
+			add_action('wp_ajax_question_get_answer_id', array($this, 'question_get_answer_id'));
65 
+			add_action('wp_ajax_nopriv_question_get_answer_id', array($this, 'question_get_answer_id'));
66 66
67 67 
 			// Add multiple questions
68 
-			add_action( 'wp_ajax_lesson_add_multiple_questions', array( $this, 'lesson_add_multiple_questions' ) );
69 
-			add_action( 'wp_ajax_nopriv_lesson_add_multiple_questions', array( $this, 'lesson_add_multiple_questions' ) );
68 
+			add_action('wp_ajax_lesson_add_multiple_questions', array($this, 'lesson_add_multiple_questions'));
69 
+			add_action('wp_ajax_nopriv_lesson_add_multiple_questions', array($this, 'lesson_add_multiple_questions'));
70 70
71 71 
 			// Remove multiple questions
72 
-			add_action( 'wp_ajax_lesson_remove_multiple_questions', array( $this, 'lesson_remove_multiple_questions' ) );
73 
-			add_action( 'wp_ajax_nopriv_lesson_remove_multiple_questions', array( $this, 'lesson_remove_multiple_questions' ) );
72 
+			add_action('wp_ajax_lesson_remove_multiple_questions', array($this, 'lesson_remove_multiple_questions'));
73 
+			add_action('wp_ajax_nopriv_lesson_remove_multiple_questions', array($this, 'lesson_remove_multiple_questions'));
74 74
75 75 
 			// Get question category limit
76 
-			add_action( 'wp_ajax_get_question_category_limit', array( $this, 'get_question_category_limit' ) );
77 
-			add_action( 'wp_ajax_nopriv_get_question_category_limit', array( $this, 'get_question_category_limit' ) );
76 
+			add_action('wp_ajax_get_question_category_limit', array($this, 'get_question_category_limit'));
77 
+			add_action('wp_ajax_nopriv_get_question_category_limit', array($this, 'get_question_category_limit'));
78 78
79 79 
 			// Add existing questions
80 
-			add_action( 'wp_ajax_lesson_add_existing_questions', array( $this, 'lesson_add_existing_questions' ) );
81 
-			add_action( 'wp_ajax_nopriv_lesson_add_existing_questions', array( $this, 'lesson_add_existing_questions' ) );
80 
+			add_action('wp_ajax_lesson_add_existing_questions', array($this, 'lesson_add_existing_questions'));
81 
+			add_action('wp_ajax_nopriv_lesson_add_existing_questions', array($this, 'lesson_add_existing_questions'));
82 82
83 83 
 			// Filter existing questions
84 
-			add_action( 'wp_ajax_filter_existing_questions', array( $this, 'quiz_panel_filter_existing_questions' ) );
85 
-			add_action( 'wp_ajax_nopriv_filter_existing_questions', array( $this, 'quiz_panel_filter_existing_questions' ) );
84 
+			add_action('wp_ajax_filter_existing_questions', array($this, 'quiz_panel_filter_existing_questions'));
85 
+			add_action('wp_ajax_nopriv_filter_existing_questions', array($this, 'quiz_panel_filter_existing_questions'));
86 86
87 87 
             // output bulk edit fields
88 
-            add_action( 'bulk_edit_custom_box', array( $this, 'all_lessons_edit_fields' ), 10, 2 );
89 
-            add_action( 'quick_edit_custom_box', array( $this, 'all_lessons_edit_fields' ), 10, 2 );
88 
+            add_action('bulk_edit_custom_box', array($this, 'all_lessons_edit_fields'), 10, 2);
89 
+            add_action('quick_edit_custom_box', array($this, 'all_lessons_edit_fields'), 10, 2);
90 90
91 91 
             // load quick edit default values
92 
-            add_action('manage_lesson_posts_custom_column', array( $this, 'set_quick_edit_admin_defaults'), 11, 2);
92 
+            add_action('manage_lesson_posts_custom_column', array($this, 'set_quick_edit_admin_defaults'), 11, 2);
93 93
94 94 
             // save bulk edit fields
95 
-            add_action( 'wp_ajax_save_bulk_edit_book', array( $this, 'save_all_lessons_edit_fields' ) );
95 
+            add_action('wp_ajax_save_bulk_edit_book', array($this, 'save_all_lessons_edit_fields'));
96 96
97 97 
             // flush rewrite rules when saving a lesson
98 
-            add_action('save_post', array( __CLASS__, 'flush_rewrite_rules' ) );
98 
+            add_action('save_post', array(__CLASS__, 'flush_rewrite_rules'));
99 99
100 100 
 		} else {
101 101 
 			// Frontend actions
 
@@ -108,34 +108,34 @@  discard block
 
 block discarded – undo
108 108 
 	 * @access public
109 109 
 	 * @return void
110 110 
 	 */
111 
-	public function meta_box_setup () {
111 
+	public function meta_box_setup() {
112 112
113 113 
 		// Add Meta Box for Prerequisite Lesson
114 
-		add_meta_box( 'lesson-prerequisite', __( 'Lesson Prerequisite', 'woothemes-sensei' ), array( $this, 'lesson_prerequisite_meta_box_content' ), $this->token, 'side', 'default' );
114 
+		add_meta_box('lesson-prerequisite', __('Lesson Prerequisite', 'woothemes-sensei'), array($this, 'lesson_prerequisite_meta_box_content'), $this->token, 'side', 'default');
115 115
116 116 
 		// Add Meta Box for Lesson Course
117 
-		add_meta_box( 'lesson-course', __( 'Lesson Course', 'woothemes-sensei' ), array( $this, 'lesson_course_meta_box_content' ), $this->token, 'side', 'default' );
117 
+		add_meta_box('lesson-course', __('Lesson Course', 'woothemes-sensei'), array($this, 'lesson_course_meta_box_content'), $this->token, 'side', 'default');
118 118
119 119 
 		// Add Meta Box for Lesson Preview
120 
-		add_meta_box( 'lesson-preview', __( 'Lesson Preview', 'woothemes-sensei' ), array( $this, 'lesson_preview_meta_box_content' ), $this->token, 'side', 'default' );
120 
+		add_meta_box('lesson-preview', __('Lesson Preview', 'woothemes-sensei'), array($this, 'lesson_preview_meta_box_content'), $this->token, 'side', 'default');
121 121
122 122 
 		// Add Meta Box for Lesson Information
123 
-		add_meta_box( 'lesson-info', __( 'Lesson Information', 'woothemes-sensei' ), array( $this, 'lesson_info_meta_box_content' ), $this->token, 'normal', 'default' );
123 
+		add_meta_box('lesson-info', __('Lesson Information', 'woothemes-sensei'), array($this, 'lesson_info_meta_box_content'), $this->token, 'normal', 'default');
124 124
125 125 
 		// Add Meta Box for Quiz Settings
126 
-		add_meta_box( 'lesson-quiz-settings', __( 'Quiz Settings', 'woothemes-sensei' ), array( $this, 'lesson_quiz_settings_meta_box_content' ), $this->token, 'normal', 'default' );
126 
+		add_meta_box('lesson-quiz-settings', __('Quiz Settings', 'woothemes-sensei'), array($this, 'lesson_quiz_settings_meta_box_content'), $this->token, 'normal', 'default');
127 127
128 128 
 		// Add Meta Box for Lesson Quiz Questions
129 
-		add_meta_box( 'lesson-quiz', __( 'Quiz Questions', 'woothemes-sensei' ), array( $this, 'lesson_quiz_meta_box_content' ), $this->token, 'normal', 'default' );
129 
+		add_meta_box('lesson-quiz', __('Quiz Questions', 'woothemes-sensei'), array($this, 'lesson_quiz_meta_box_content'), $this->token, 'normal', 'default');
130 130
131 131 
 		// Remove "Custom Settings" meta box.
132 
-		remove_meta_box( 'woothemes-settings', $this->token, 'normal' );
132 
+		remove_meta_box('woothemes-settings', $this->token, 'normal');
133 133
134 134 
 		// Add JS scripts
135 
-		add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_scripts' ) );
135 
+		add_action('admin_enqueue_scripts', array($this, 'enqueue_scripts'));
136 136
137 137 
 		// Add CSS
138 
-		add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_styles' ) );
138 
+		add_action('admin_enqueue_scripts', array($this, 'enqueue_styles'));
139 139
140 140 
 	} // End meta_box_setup()
141 141 
 
@@ -146,30 +146,30 @@  discard block
 
 block discarded – undo
146 146 
 	 * @access public
147 147 
 	 * @return void
148 148 
 	 */
149 
-	public function lesson_info_meta_box_content () {
149 
+	public function lesson_info_meta_box_content() {
150 150 
 		global $post;
151 151
152 
-		$lesson_length = get_post_meta( $post->ID, '_lesson_length', true );
153 
-		$lesson_complexity = get_post_meta( $post->ID, '_lesson_complexity', true );
152 
+		$lesson_length = get_post_meta($post->ID, '_lesson_length', true);
153 
+		$lesson_complexity = get_post_meta($post->ID, '_lesson_complexity', true);
154 154 
 		$complexity_array = $this->lesson_complexities();
155 
-		$lesson_video_embed = get_post_meta( $post->ID, '_lesson_video_embed', true );
155 
+		$lesson_video_embed = get_post_meta($post->ID, '_lesson_video_embed', true);
156 156
157 157 
 		$html = '';
158 158 
 		// Lesson Length
159 
-		$html .= '<p><label for="lesson_length">' . __( 'Lesson Length in minutes', 'woothemes-sensei' ) . ': </label>';
160 
-		$html .= '<input type="number" id="lesson-length" name="lesson_length" class="small-text" value="' . esc_attr( $lesson_length ) . '" /></p>' . "\n";
159 
+		$html .= '<p><label for="lesson_length">'.__('Lesson Length in minutes', 'woothemes-sensei').': </label>';
160 
+		$html .= '<input type="number" id="lesson-length" name="lesson_length" class="small-text" value="'.esc_attr($lesson_length).'" /></p>'."\n";
161 161 
 		// Lesson Complexity
162 
-		$html .= '<p><label for="lesson_complexity">' . __( 'Lesson Complexity', 'woothemes-sensei' ) . ': </label>';
162 
+		$html .= '<p><label for="lesson_complexity">'.__('Lesson Complexity', 'woothemes-sensei').': </label>';
163 163 
 		$html .= '<select id="lesson-complexity-options" name="lesson_complexity" class="chosen_select lesson-complexity-select">';
164 
-			$html .= '<option value="">' . __( 'None', 'woothemes-sensei' ) . '</option>';
165 
-			foreach ($complexity_array as $key => $value){
166 
-				$html .= '<option value="' . esc_attr( $key ) . '"' . selected( $key, $lesson_complexity, false ) . '>' . esc_html( $value ) . '</option>' . "\n";
164 
+			$html .= '<option value="">'.__('None', 'woothemes-sensei').'</option>';
165 
+			foreach ($complexity_array as $key => $value) {
166 
+				$html .= '<option value="'.esc_attr($key).'"'.selected($key, $lesson_complexity, false).'>'.esc_html($value).'</option>'."\n";
167 167 
 			} // End For Loop
168 
-		$html .= '</select></p>' . "\n";
168 
+		$html .= '</select></p>'."\n";
169 169
170 
-		$html .= '<p><label for="lesson_video_embed">' . __( 'Video Embed Code', 'woothemes-sensei' ) . ':</label><br/>' . "\n";
171 
-		$html .= '<textarea rows="5" cols="50" name="lesson_video_embed" tabindex="6" id="course-video-embed">' . $lesson_video_embed . '</textarea></p>' . "\n";
172 
-		$html .= '<p>' .  __( 'Paste the embed code for your video (e.g. YouTube, Vimeo etc.) in the box above.', 'woothemes-sensei' ) . '</p>';
170 
+		$html .= '<p><label for="lesson_video_embed">'.__('Video Embed Code', 'woothemes-sensei').':</label><br/>'."\n";
171 
+		$html .= '<textarea rows="5" cols="50" name="lesson_video_embed" tabindex="6" id="course-video-embed">'.$lesson_video_embed.'</textarea></p>'."\n";
172 
+		$html .= '<p>'.__('Paste the embed code for your video (e.g. YouTube, Vimeo etc.) in the box above.', 'woothemes-sensei').'</p>';
173 173
174 174 
 		echo $html;
175 175 
 
@@ -181,31 +181,31 @@  discard block
 
 block discarded – undo
181 181 
 	 * @access public
182 182 
 	 * @return void
183 183 
 	 */
184 
-	public function lesson_prerequisite_meta_box_content () {
184 
+	public function lesson_prerequisite_meta_box_content() {
185 185 
 		global $post;
186 186 
 		// Get existing post meta
187 
-		$select_lesson_prerequisite = get_post_meta( $post->ID, '_lesson_prerequisite', true );
187 
+		$select_lesson_prerequisite = get_post_meta($post->ID, '_lesson_prerequisite', true);
188 188 
 		// Get the Lesson Posts
189 
-		$post_args = array(	'post_type' 		=> 'lesson',
189 
+		$post_args = array('post_type' 		=> 'lesson',
190 190 
 							'posts_per_page' 		=> -1,
191 191 
 							'orderby'         	=> 'title',
192 192 
     						'order'           	=> 'ASC',
193 193 
     						'exclude' 			=> $post->ID,
194 194 
 							'suppress_filters' 	=> 0
195 195 
 							);
196 
-		$posts_array = get_posts( $post_args );
196 
+		$posts_array = get_posts($post_args);
197 197 
 		// Build the HTML to Output
198 198 
 		$html = '';
199 
-		$html .= wp_nonce_field( 'sensei-save-post-meta','woo_' . $this->token . '_nonce', true, false  );
200 
-		if ( count( $posts_array ) > 0 ) {
201 
-			$html .= '<select id="lesson-prerequisite-options" name="lesson_prerequisite" class="chosen_select widefat">' . "\n";
202 
-			$html .= '<option value="">' . __( 'None', 'woothemes-sensei' ) . '</option>';
203 
-				foreach ($posts_array as $post_item){
204 
-					$html .= '<option value="' . esc_attr( absint( $post_item->ID ) ) . '"' . selected( $post_item->ID, $select_lesson_prerequisite, false ) . '>' . esc_html( $post_item->post_title ) . '</option>' . "\n";
199 
+		$html .= wp_nonce_field('sensei-save-post-meta', 'woo_'.$this->token.'_nonce', true, false);
200 
+		if (count($posts_array) > 0) {
201 
+			$html .= '<select id="lesson-prerequisite-options" name="lesson_prerequisite" class="chosen_select widefat">'."\n";
202 
+			$html .= '<option value="">'.__('None', 'woothemes-sensei').'</option>';
203 
+				foreach ($posts_array as $post_item) {
204 
+					$html .= '<option value="'.esc_attr(absint($post_item->ID)).'"'.selected($post_item->ID, $select_lesson_prerequisite, false).'>'.esc_html($post_item->post_title).'</option>'."\n";
205 205 
 				} // End For Loop
206 
-			$html .= '</select>' . "\n";
206 
+			$html .= '</select>'."\n";
207 207 
 		} else {
208 
-			$html .= '<p>' . esc_html( __( 'No lessons exist yet. Please add some first.', 'woothemes-sensei' ) ) . '</p>';
208 
+			$html .= '<p>'.esc_html(__('No lessons exist yet. Please add some first.', 'woothemes-sensei')).'</p>';
209 209 
 		} // End If Statement
210 210 
 		// Output the HTML
211 211 
 		echo $html;
 
@@ -217,20 +217,20 @@  discard block
 
 block discarded – undo
217 217 
 	 * @access public
218 218 
 	 * @return void
219 219 
 	 */
220 
-	public function lesson_preview_meta_box_content () {
220 
+	public function lesson_preview_meta_box_content() {
221 221 
 		global $post;
222 222 
 		// Get existing post meta
223 
-		$lesson_preview = get_post_meta( $post->ID, '_lesson_preview', true );
223 
+		$lesson_preview = get_post_meta($post->ID, '_lesson_preview', true);
224 224 
 		$html = '';
225 
-		$html .= wp_nonce_field( 'sensei-save-post-meta','woo_' . $this->token . '_nonce', true, false  );
225 
+		$html .= wp_nonce_field('sensei-save-post-meta', 'woo_'.$this->token.'_nonce', true, false);
226 226
227 227 
 		$checked = '';
228 
-		if ( isset( $lesson_preview ) && ( '' != $lesson_preview ) ) {
229 
-	 	    $checked = checked( 'preview', $lesson_preview, false );
228 
+		if (isset($lesson_preview) && ('' != $lesson_preview)) {
229 
+	 	    $checked = checked('preview', $lesson_preview, false);
230 230 
 	 	} // End If Statement
231 231
232 232 
 	 	$html .= '<label for="lesson_preview">';
233 
-	 	$html .= '<input type="checkbox" id="lesson_preview" name="lesson_preview" value="preview" ' . $checked . '>&nbsp;' . __( 'Allow this lesson to be viewed without purchase/login', 'woothemes-sensei' ) . '<br>';
233 
+	 	$html .= '<input type="checkbox" id="lesson_preview" name="lesson_preview" value="preview" '.$checked.'>&nbsp;'.__('Allow this lesson to be viewed without purchase/login', 'woothemes-sensei').'<br>';
234 234
235 235 
 		// Output the HTML
236 236 
 		echo $html;
 
@@ -243,40 +243,40 @@  discard block
 
 block discarded – undo
243 243 
 	 * @param int $post_id
244 244 
 	 * @return integer $post_id
245 245 
 	 */
246 
-	public function meta_box_save ( $post_id ) {
246 
+	public function meta_box_save($post_id) {
247 247
248 248 
 		// Verify the nonce before proceeding.
249 
-		if ( ( get_post_type( $post_id ) != $this->token ) || !isset(   $_POST[ 'woo_' . $this->token . '_nonce'] )  || ! wp_verify_nonce( $_POST[ 'woo_' . $this->token . '_nonce' ], 'sensei-save-post-meta' ) ) {
249 
+		if ((get_post_type($post_id) != $this->token) || ! isset($_POST['woo_'.$this->token.'_nonce']) || ! wp_verify_nonce($_POST['woo_'.$this->token.'_nonce'], 'sensei-save-post-meta')) {
250 250 
 			return $post_id;
251 251 
 		} // End If Statement
252 252 
 		// Get the post type object.
253 
-		$post_type = get_post_type_object( get_post_type( $post_id ) );
253 
+		$post_type = get_post_type_object(get_post_type($post_id));
254 254 
 		// Check if the current user has permission to edit the post.
255 
-		if ( !current_user_can( $post_type->cap->edit_post, $post_id ) ) {
255 
+		if ( ! current_user_can($post_type->cap->edit_post, $post_id)) {
256 256 
 			return $post_id;
257 257 
 		} // End If Statement
258 258
259 259 
 		// Check if the current post type is a page
260 
-		if ( 'page' == $_POST[ 'post_type' ] ) {
260 
+		if ('page' == $_POST['post_type']) {
261 261
262 
-			if ( ! current_user_can( 'edit_page', $post_id ) ) {
262 
+			if ( ! current_user_can('edit_page', $post_id)) {
263 263
264 264 
 				return $post_id;
265 265
266 266 
 			} // End If Statement
267 267 
 		} else {
268 
-			if ( ! current_user_can( 'edit_post', $post_id ) ) {
268 
+			if ( ! current_user_can('edit_post', $post_id)) {
269 269 
 				return $post_id;
270 270 
 			} // End If Statement
271 271 
 		} // End If Statement
272 272
273 273 
 		// Save the post meta data fields
274 
-		if ( isset($this->meta_fields) && is_array($this->meta_fields) ) {
274 
+		if (isset($this->meta_fields) && is_array($this->meta_fields)) {
275 275
276 
-			foreach ( $this->meta_fields as $meta_key ) {
276 
+			foreach ($this->meta_fields as $meta_key) {
277 277
278 
-				remove_action( 'save_post', array( $this, 'meta_box_save') );
279 
-				$this->save_post_meta( $meta_key, $post_id );
278 
+				remove_action('save_post', array($this, 'meta_box_save'));
279 
+				$this->save_post_meta($meta_key, $post_id);
280 280
281 281 
 			} // End For Loop
282 282 
 		} // End If Statement
 
@@ -289,37 +289,37 @@  discard block
 
 block discarded – undo
289 289 
 	 * @access public
290 290 
 	 * @return integer|boolean $post_id or false
291 291 
 	 */
292 
-	public function quiz_update( $post_id ) {
292 
+	public function quiz_update($post_id) {
293 293 
 		global $post;
294 294 
 		// Verify the nonce before proceeding.
295 
-		if ( ( 'lesson' != get_post_type( $post_id ) )|| !isset(   $_POST[ 'woo_' . $this->token . '_nonce'] )  || ! wp_verify_nonce( $_POST[ 'woo_' . $this->token . '_nonce' ], 'sensei-save-post-meta') ) {
296 
-			if ( isset($post->ID) ) {
295 
+		if (('lesson' != get_post_type($post_id)) || ! isset($_POST['woo_'.$this->token.'_nonce']) || ! wp_verify_nonce($_POST['woo_'.$this->token.'_nonce'], 'sensei-save-post-meta')) {
296 
+			if (isset($post->ID)) {
297 297 
 				return $post->ID;
298 298 
 			} else {
299 299 
 				return false;
300 300 
 			} // End If Statement
301 301 
 		} // End If Statement
302 302
303 
-		if( wp_is_post_revision( $post_id ) || wp_is_post_autosave( $post_id ) ) {
303 
+		if (wp_is_post_revision($post_id) || wp_is_post_autosave($post_id)) {
304 304 
 			return false;
305 305 
 		}
306 306
307 307 
 		// Temporarily disable the filter
308 
-        remove_action( 'save_post', array( $this, 'quiz_update' ) );
308 
+        remove_action('save_post', array($this, 'quiz_update'));
309 309 
 		// Save the Quiz
310 
-		$quiz_id = $this->lesson_quizzes( $post_id, 'any');
310 
+		$quiz_id = $this->lesson_quizzes($post_id, 'any');
311 311
312 312 
 		 // Sanitize and setup the post data
313 
-		$_POST = stripslashes_deep( $_POST );
314 
-		if ( isset( $_POST[ 'quiz_id' ] ) && ( 0 < absint( $_POST[ 'quiz_id' ] ) ) ) {
315 
-			$quiz_id = absint( $_POST[ 'quiz_id' ] );
313 
+		$_POST = stripslashes_deep($_POST);
314 
+		if (isset($_POST['quiz_id']) && (0 < absint($_POST['quiz_id']))) {
315 
+			$quiz_id = absint($_POST['quiz_id']);
316 316 
 		} // End If Statement
317 
-		$post_title = esc_html( $_POST[ 'post_title' ] );
318 
-		$post_status = esc_html( $_POST[ 'post_status' ] );
317 
+		$post_title = esc_html($_POST['post_title']);
318 
+		$post_status = esc_html($_POST['post_status']);
319 319 
 		$post_content = '';
320 320
321 321 
 		// Setup Query Arguments
322 
-		$post_type_args = array(	'post_content' => $post_content,
322 
+		$post_type_args = array('post_content' => $post_content,
323 323 
   		    						'post_status' => $post_status,
324 324 
   		    						'post_title' => $post_title,
325 325 
   		    						'post_type' => 'quiz',
 
@@ -329,84 +329,84 @@  discard block
 
 block discarded – undo
329 329 
 		$settings = $this->get_quiz_settings();
330 330
331 331 
   		// Update or Insert the Lesson Quiz
332 
-		if ( 0 < $quiz_id ) {
332 
+		if (0 < $quiz_id) {
333 333 
 			// Update the Quiz
334 
-			$post_type_args[ 'ID' ] = $quiz_id;
334 
+			$post_type_args['ID'] = $quiz_id;
335 335 
 		    wp_update_post($post_type_args);
336 336
337 337 
 		    // Update the post meta data
338 
-		    update_post_meta( $quiz_id, '_quiz_lesson', $post_id );
338 
+		    update_post_meta($quiz_id, '_quiz_lesson', $post_id);
339 339
340 
-		    foreach( $settings as $field ) {
341 
-		    	if( 'random_question_order' != $field['id'] ) {
342 
-			    	$value = $this->get_submitted_setting_value( $field );
343 
-			    	if( isset( $value ) ) {
344 
-			    		update_post_meta( $quiz_id, '_' . $field['id'], $value );
340 
+		    foreach ($settings as $field) {
341 
+		    	if ('random_question_order' != $field['id']) {
342 
+			    	$value = $this->get_submitted_setting_value($field);
343 
+			    	if (isset($value)) {
344 
+			    		update_post_meta($quiz_id, '_'.$field['id'], $value);
345 345 
 			    	}
346 346 
 			    }
347 347 
 		    }
348 348
349 349 
 		    // Set the post terms for quiz-type
350 
-		    wp_set_post_terms( $quiz_id, array( 'multiple-choice' ), 'quiz-type' );
350 
+		    wp_set_post_terms($quiz_id, array('multiple-choice'), 'quiz-type');
351 351 
 		} else {
352 352 
 			// Create the Quiz
353 353 
 		    $quiz_id = wp_insert_post($post_type_args);
354 354
355 355 
 		    // Add the post meta data WP will add it if it doesn't exist
356 
-            update_post_meta( $quiz_id, '_quiz_lesson', $post_id );
356 
+            update_post_meta($quiz_id, '_quiz_lesson', $post_id);
357 357
358 
-		    foreach( $settings as $field ) {
359 
-		    	if( 'random_question_order' != $field['id'] ) {
358 
+		    foreach ($settings as $field) {
359 
+		    	if ('random_question_order' != $field['id']) {
360 360
361 361 
                     //ignore values not posted to avoid
362 362 
                     // overwriting with empty or default values
363 363 
                     // when the values are posted from bulk edit or quick edit
364 
-                    if( !isset( $_POST[ $field['id'] ] ) ){
364 
+                    if ( ! isset($_POST[$field['id']])) {
365 365 
                         continue;
366 366 
                     }
367 367
368 
-			    	$value = $this->get_submitted_setting_value( $field );
369 
-			    	if( isset( $value ) ) {
370 
-			    		add_post_meta( $quiz_id, '_' . $field['id'], $value );
368 
+			    	$value = $this->get_submitted_setting_value($field);
369 
+			    	if (isset($value)) {
370 
+			    		add_post_meta($quiz_id, '_'.$field['id'], $value);
371 371 
 			    	}
372 372 
 			    }
373 373 
 		    }
374 374
375 375 
 		    // Set the post terms for quiz-type
376 
-		    wp_set_post_terms( $quiz_id, array( 'multiple-choice' ), 'quiz-type' );
376 
+		    wp_set_post_terms($quiz_id, array('multiple-choice'), 'quiz-type');
377 377 
 		} // End If Statement
378 378
379 379 
 		// Add default lesson order meta value
380 
-		$course_id = get_post_meta( $post_id, '_lesson_course', true );
381 
-		if( $course_id ) {
382 
-			if( ! get_post_meta( $post_id, '_order_' . $course_id, true ) ) {
383 
-				update_post_meta( $post_id, '_order_' . $course_id, 0 );
380 
+		$course_id = get_post_meta($post_id, '_lesson_course', true);
381 
+		if ($course_id) {
382 
+			if ( ! get_post_meta($post_id, '_order_'.$course_id, true)) {
383 
+				update_post_meta($post_id, '_order_'.$course_id, 0);
384 384 
 			}
385 385 
 		}
386 386 
 		// Add reference back to the Quiz
387 
-		update_post_meta( $post_id, '_lesson_quiz', $quiz_id );
387 
+		update_post_meta($post_id, '_lesson_quiz', $quiz_id);
388 388 
 		// Mark if the Lesson Quiz has questions
389 
-		$quiz_questions = Sensei()->lesson->lesson_quiz_questions( $quiz_id );
390 
-		if( 0 < count( $quiz_questions ) ) {
391 
-			update_post_meta( $post_id, '_quiz_has_questions', '1' );
389 
+		$quiz_questions = Sensei()->lesson->lesson_quiz_questions($quiz_id);
390 
+		if (0 < count($quiz_questions)) {
391 
+			update_post_meta($post_id, '_quiz_has_questions', '1');
392 392 
 		}
393 393 
 		else {
394 
-			delete_post_meta( $post_id, '_quiz_has_questions' );
394 
+			delete_post_meta($post_id, '_quiz_has_questions');
395 395 
 		}
396 396
397 397 
 		// Restore the previously disabled filter
398 
-        add_action( 'save_post', array( $this, 'quiz_update' ) );
398 
+        add_action('save_post', array($this, 'quiz_update'));
399 399
400 400 
 	} // End post_updated()
401 401
402 
-	public function get_submitted_setting_value( $field = false ) {
402 
+	public function get_submitted_setting_value($field = false) {
403 403
404 
-		if( ! $field ) return;
404 
+		if ( ! $field) return;
405 405
406 406 
 		$value = false;
407 407
408 
-		if( 'quiz_grade_type' == $field['id'] ) {
409 
-			if( isset( $_POST[ $field['id'] ] ) && 'on' == $_POST[ $field['id'] ] ) {
408 
+		if ('quiz_grade_type' == $field['id']) {
409 
+			if (isset($_POST[$field['id']]) && 'on' == $_POST[$field['id']]) {
410 410 
 				$value = 'auto';
411 411 
 			} else {
412 412 
 				$value = 'manual';
 
@@ -414,8 +414,8 @@  discard block
 
 block discarded – undo
414 414 
 			return $value;
415 415 
 		}
416 416
417 
-		if ( isset( $_POST[ $field['id'] ] ) ) {
418 
-			$value = $_POST[ $field['id'] ];
417 
+		if (isset($_POST[$field['id']])) {
418 
+			$value = $_POST[$field['id']];
419 419 
 		} else {
420 420 
 			$value = $field['default'];
421 421 
 		}
 
@@ -431,18 +431,18 @@  discard block
 
 block discarded – undo
431 431 
 	 * @param int $post_id (default: 0)
432 432 
 	 * @return int|bool meta id or saved status
433 433 
 	 */
434 
-	private function save_post_meta( $post_key = '', $post_id = 0 ) {
434 
+	private function save_post_meta($post_key = '', $post_id = 0) {
435 435 
 		// Get the meta key.
436 
-		$meta_key = '_' . $post_key;
436 
+		$meta_key = '_'.$post_key;
437 437
438 438 
         //ignore fields are not posted
439 439
440 
-        if( !isset( $_POST[ $post_key ] ) ){
440 
+        if ( ! isset($_POST[$post_key])) {
441 441
442 442 
             // except for lesson preview checkbox field
443 
-            if( 'lesson_preview' == $post_key ){
443 
+            if ('lesson_preview' == $post_key) {
444 444
445 
-                $_POST[ $post_key ] = '';
445 
+                $_POST[$post_key] = '';
446 446
447 447 
             } else {
448 448 
 
@@ -453,15 +453,15 @@  discard block
 
 block discarded – undo
453 453 
         }
454 454
455 455 
 		// Get the posted data and sanitize it for use as an HTML class.
456 
-		if ( 'lesson_video_embed' == $post_key) {
457 
-			$new_meta_value = esc_html( $_POST[$post_key] );
456 
+		if ('lesson_video_embed' == $post_key) {
457 
+			$new_meta_value = esc_html($_POST[$post_key]);
458 458 
 		} else {
459 
-			$new_meta_value = ( isset( $_POST[$post_key] ) ? sanitize_html_class( $_POST[$post_key] ) : '' );
459 
+			$new_meta_value = (isset($_POST[$post_key]) ? sanitize_html_class($_POST[$post_key]) : '');
460 460 
 		} // End If Statement
461 461
462 462 
         // update field with the new value
463 
-        if( -1 != $new_meta_value  ){
464 
-            return update_post_meta( $post_id, $meta_key, $new_meta_value );
463 
+        if ( -1 != $new_meta_value  ) {
464 
+            return update_post_meta($post_id, $meta_key, $new_meta_value);
465 465 
         }
466 466
467 467 
 	} // End save_post_meta()
 
@@ -472,30 +472,30 @@  discard block
 
 block discarded – undo
472 472 
 	 * @access public
473 473 
 	 * @return void
474 474 
 	 */
475 
-	public function lesson_course_meta_box_content () {
475 
+	public function lesson_course_meta_box_content() {
476 476 
 		global $post;
477 477 
 		// Setup Lesson Meta Data
478 478 
 		$selected_lesson_course = 0;
479 
-		if ( 0 < $post->ID ) {
480 
-			$selected_lesson_course = get_post_meta( $post->ID, '_lesson_course', true );
479 
+		if (0 < $post->ID) {
480 
+			$selected_lesson_course = get_post_meta($post->ID, '_lesson_course', true);
481 481 
 		} // End If Statement
482 482 
 		// Handle preselected course
483 
-		if ( isset( $_GET[ 'course_id' ] ) && ( 0 < absint( $_GET[ 'course_id' ] ) ) ) {
484 
-			$selected_lesson_course = absint( $_GET[ 'course_id' ] );
483 
+		if (isset($_GET['course_id']) && (0 < absint($_GET['course_id']))) {
484 
+			$selected_lesson_course = absint($_GET['course_id']);
485 485 
 		} // End If Statement
486 486 
 		// Get the Lesson Posts
487 
-		$post_args = array(	'post_type' 		=> 'course',
487 
+		$post_args = array('post_type' 		=> 'course',
488 488 
 							'posts_per_page' 		=> -1,
489 489 
 							'orderby'         	=> 'title',
490 490 
     						'order'           	=> 'ASC',
491 491 
     						'post_status'      	=> 'any',
492 492 
     						'suppress_filters' 	=> 0,
493 493 
 							);
494 
-		$posts_array = get_posts( $post_args );
494 
+		$posts_array = get_posts($post_args);
495 495 
 		// Buid the HTML to Output
496 496 
 		$html = '';
497 497 
 		// Nonce
498 
-		$html .= wp_nonce_field( 'sensei-save-post-meta','woo_' . $this->token . '_nonce', true, false  );
498 
+		$html .= wp_nonce_field('sensei-save-post-meta', 'woo_'.$this->token.'_nonce', true, false);
499 499
500 500 
         // Select the course for the lesson
501 501 
         $drop_down_args = array(
 
@@ -505,67 +505,67 @@  discard block
 
 block discarded – undo
505 505
506 506 
         $courses = WooThemes_Sensei_Course::get_all_courses();
507 507 
         $courses_options = array();
508 
-        foreach( $courses as $course ){
509 
-            $courses_options[ $course->ID ] = get_the_title( $course ) ;
508 
+        foreach ($courses as $course) {
509 
+            $courses_options[$course->ID] = get_the_title($course);
510 510 
         }
511 
-        $html .= Sensei_Utils::generate_drop_down( $selected_lesson_course, $courses_options, $drop_down_args );
511 
+        $html .= Sensei_Utils::generate_drop_down($selected_lesson_course, $courses_options, $drop_down_args);
512 512
513 513 
         // Course Actions Panel
514 
-		if ( current_user_can( 'publish_courses' )) {
514 
+		if (current_user_can('publish_courses')) {
515 515 
 				$html .= '<div id="lesson-course-actions">';
516 516 
 					$html .= '<p>';
517 517 
 						// Add a course action link
518 
-						$html .= '<a id="lesson-course-add" href="#course-add" class="lesson-add-course">+ ' . __('Add New Course', 'woothemes-sensei' ) . '</a>';
518 
+						$html .= '<a id="lesson-course-add" href="#course-add" class="lesson-add-course">+ '.__('Add New Course', 'woothemes-sensei').'</a>';
519 519 
 					$html .= '</p>';
520 520 
 				$html .= '</div>';
521 521 
 				// Add a course input fields
522 522 
 				$html .= '<div id="lesson-course-details" class="hidden">';
523 523 
 					$html .= '<p>';
524 524 
 						// Course Title input
525 
-						$html .= '<label>' . __( 'Course Title' , 'woothemes-sensei' ) . '</label> ';
525 
+						$html .= '<label>'.__('Course Title', 'woothemes-sensei').'</label> ';
526 526 
 	  					$html .= '<input type="text" id="course-title" name="course_title" value="" size="25" class="widefat" />';
527 527 
 	  					// Course Description input
528 
-	  					$html .= '<label>' . __( 'Description' , 'woothemes-sensei' ) . '</label> ';
528 
+	  					$html .= '<label>'.__('Description', 'woothemes-sensei').'</label> ';
529 529 
 	  					$html .= '<textarea rows="10" cols="40" id="course-content" name="course_content" value="" size="300" class="widefat"></textarea>';
530 530 
 	  					// Course Prerequisite
531 
-	  					$html .= '<label>' . __( 'Course Prerequisite' , 'woothemes-sensei' ) . '</label> ';
532 
-	  					$html .= '<select id="course-prerequisite-options" name="course_prerequisite" class="chosen_select widefat">' . "\n";
533 
-							$html .= '<option value="">' . __( 'None', 'woothemes-sensei' ) . '</option>';
534 
-							foreach ($posts_array as $post_item){
535 
-								$html .= '<option value="' . esc_attr( absint( $post_item->ID ) ) . '">' . esc_html( $post_item->post_title ) . '</option>' . "\n";
531 
+	  					$html .= '<label>'.__('Course Prerequisite', 'woothemes-sensei').'</label> ';
532 
+	  					$html .= '<select id="course-prerequisite-options" name="course_prerequisite" class="chosen_select widefat">'."\n";
533 
+							$html .= '<option value="">'.__('None', 'woothemes-sensei').'</option>';
534 
+							foreach ($posts_array as $post_item) {
535 
+								$html .= '<option value="'.esc_attr(absint($post_item->ID)).'">'.esc_html($post_item->post_title).'</option>'."\n";
536 536 
 							} // End For Loop
537 
-						$html .= '</select>' . "\n";
537 
+						$html .= '</select>'."\n";
538 538 
 						// Course Product
539 
-                        if ( Sensei_WC::is_woocommerce_active() ) {
539 
+                        if (Sensei_WC::is_woocommerce_active()) {
540 540 
 	  						// Get the Products
541 
-							$select_course_woocommerce_product = get_post_meta( $post_item->ID, '_course_woocommerce_product', true );
541 
+							$select_course_woocommerce_product = get_post_meta($post_item->ID, '_course_woocommerce_product', true);
542 542
543 
-							$product_args = array(	'post_type' 		=> array( 'product', 'product_variation' ),
543 
+							$product_args = array('post_type' 		=> array('product', 'product_variation'),
544 544 
 													'posts_per_page' 		=> -1,
545 545 
 													'orderby'         	=> 'title',
546 546 
 	    											'order'           	=> 'DESC',
547 
-	    											'post_status'		=> array( 'publish', 'private', 'draft' ),
547 
+	    											'post_status'		=> array('publish', 'private', 'draft'),
548 548 
 	    											'tax_query'			=> array(
549 549 
 														array(
550 550 
 															'taxonomy'	=> 'product_type',
551 551 
 															'field'		=> 'slug',
552 
-															'terms'		=> array( 'variable', 'grouped' ),
552 
+															'terms'		=> array('variable', 'grouped'),
553 553 
 															'operator'	=> 'NOT IN'
554 554 
 														)
555 555 
 													),
556 556 
 	    											'suppress_filters' 	=> 0
557 557 
 													);
558 
-							$products_array = get_posts( $product_args );
559 
-							$html .= '<label>' . __( 'WooCommerce Product' , 'woothemes-sensei' ) . '</label> ';
560 
-	  						$html .= '<select id="course-woocommerce-product-options" name="course_woocommerce_product" class="chosen_select widefat">' . "\n";
561 
-								$html .= '<option value="-">' . __( 'None', 'woothemes-sensei' ) . '</option>';
558 
+							$products_array = get_posts($product_args);
559 
+							$html .= '<label>'.__('WooCommerce Product', 'woothemes-sensei').'</label> ';
560 
+	  						$html .= '<select id="course-woocommerce-product-options" name="course_woocommerce_product" class="chosen_select widefat">'."\n";
561 
+								$html .= '<option value="-">'.__('None', 'woothemes-sensei').'</option>';
562 562 
 								$prev_parent_id = 0;
563 
-								foreach ($products_array as $products_item){
563 
+								foreach ($products_array as $products_item) {
564 564
565 
-									if ( 'product_variation' == $products_item->post_type ) {
566 
-										$product_object = get_product( $products_item->ID );
567 
-										$parent_id = wp_get_post_parent_id( $products_item->ID );
568 
-										$product_name = ucwords( woocommerce_get_formatted_variation( $product_object->variation_data, true ) );
565 
+									if ('product_variation' == $products_item->post_type) {
566 
+										$product_object = get_product($products_item->ID);
567 
+										$parent_id = wp_get_post_parent_id($products_item->ID);
568 
+										$product_name = ucwords(woocommerce_get_formatted_variation($product_object->variation_data, true));
569 569 
 									} else {
570 570 
 										$parent_id = false;
571 571 
 										$prev_parent_id = 0;
 
@@ -573,32 +573,32 @@  discard block
 
 block discarded – undo
573 573 
 									}
574 574
575 575 
 									// Show variations in groups
576 
-									if( $parent_id && $parent_id != $prev_parent_id ) {
577 
-										if( 0 != $prev_parent_id ) {
576 
+									if ($parent_id && $parent_id != $prev_parent_id) {
577 
+										if (0 != $prev_parent_id) {
578 578 
 											$html .= '</optgroup>';
579 579 
 										}
580 
-										$html .= '<optgroup label="' . get_the_title( $parent_id ) . '">';
580 
+										$html .= '<optgroup label="'.get_the_title($parent_id).'">';
581 581 
 										$prev_parent_id = $parent_id;
582 
-									} elseif( ! $parent_id && 0 == $prev_parent_id ) {
582 
+									} elseif ( ! $parent_id && 0 == $prev_parent_id) {
583 583 
 										$html .= '</optgroup>';
584 584 
 									}
585 585
586 
-									$html .= '<option value="' . esc_attr( absint( $products_item->ID ) ) . '">' . esc_html( $products_item->post_title ) . '</option>' . "\n";
586 
+									$html .= '<option value="'.esc_attr(absint($products_item->ID)).'">'.esc_html($products_item->post_title).'</option>'."\n";
587 587 
 								} // End For Loop
588 
-							$html .= '</select>' . "\n";
588 
+							$html .= '</select>'."\n";
589 589 
 						} else {
590 590 
 							// Default
591 591 
 							$html .= '<input type="hidden" name="course_woocommerce_product" id="course-woocommerce-product-options" value="-" />';
592 592 
 						}
593 593 
 						// Course Category
594 
-	  					$html .= '<label>' . __( 'Course Category' , 'woothemes-sensei' ) . '</label> ';
595 
-	  					$cat_args = array( 'echo' => false, 'hierarchical' => true, 'show_option_none' => __( 'None', 'woothemes-sensei' ), 'taxonomy' => 'course-category', 'orderby' => 'name', 'id' => 'course-category-options', 'name' => 'course_category', 'class' => 'widefat' );
596 
-						$html .= wp_dropdown_categories(apply_filters('widget_course_categories_dropdown_args', $cat_args)) . "\n";
594 
+	  					$html .= '<label>'.__('Course Category', 'woothemes-sensei').'</label> ';
595 
+	  					$cat_args = array('echo' => false, 'hierarchical' => true, 'show_option_none' => __('None', 'woothemes-sensei'), 'taxonomy' => 'course-category', 'orderby' => 'name', 'id' => 'course-category-options', 'name' => 'course_category', 'class' => 'widefat');
596 
+						$html .= wp_dropdown_categories(apply_filters('widget_course_categories_dropdown_args', $cat_args))."\n";
597 597 
 	  					// Save the course action button
598 
-	  					$html .= '<a title="' . esc_attr( __( 'Save Course', 'woothemes-sensei' ) ) . '" href="#add-course-metadata" class="lesson_course_save button button-highlighted">' . esc_html( __( 'Add Course', 'woothemes-sensei' ) ) . '</a>';
598 
+	  					$html .= '<a title="'.esc_attr(__('Save Course', 'woothemes-sensei')).'" href="#add-course-metadata" class="lesson_course_save button button-highlighted">'.esc_html(__('Add Course', 'woothemes-sensei')).'</a>';
599 599 
 						$html .= '&nbsp;&nbsp;&nbsp;';
600 600 
 						// Cancel action link
601 
-						$html .= '<a href="#course-add-cancel" class="lesson_course_cancel">' . __( 'Cancel', 'woothemes-sensei' ) . '</a>';
601 
+						$html .= '<a href="#course-add-cancel" class="lesson_course_cancel">'.__('Cancel', 'woothemes-sensei').'</a>';
602 602 
 					$html .= '</p>';
603 603 
 				$html .= '</div>';
604 604 
 			} // End If Statement
 
@@ -607,20 +607,20 @@  discard block
 
 block discarded – undo
607 607 
 		echo $html;
608 608 
 	} // End lesson_course_meta_box_content()
609 609
610 
-	public function quiz_panel( $quiz_id = 0 ) {
610 
+	public function quiz_panel($quiz_id = 0) {
611 611
612 
-		$html = wp_nonce_field( 'sensei-save-post-meta','woo_' . $this->token . '_nonce', true, false  );
612 
+		$html = wp_nonce_field('sensei-save-post-meta', 'woo_'.$this->token.'_nonce', true, false);
613 613 
 		$html .= '<div id="add-quiz-main">';
614 
-			if ( 0 == $quiz_id ) {
614 
+			if (0 == $quiz_id) {
615 615 
 				$html .= '<p>';
616 616 
 					// Default message and Add a Quiz button
617 
-					$html .= esc_html( __( 'Once you have saved your lesson you will be able to add questions.', 'woothemes-sensei' ) );
617 
+					$html .= esc_html(__('Once you have saved your lesson you will be able to add questions.', 'woothemes-sensei'));
618 618 
 				$html .= '</p>';
619 619 
 			}
620 620
621 621 
 			// Quiz Panel CSS Class
622 622 
 			$quiz_class = '';
623 
-			if ( 0 == $quiz_id ) {
623 
+			if (0 == $quiz_id) {
624 624 
 				$quiz_class = ' class="hidden"';
625 625 
 			} // End If Statement
626 626 
 			// Build the HTML to Output
 
@@ -628,15 +628,15 @@  discard block
 
 block discarded – undo
628 628
629 629 
 			// Setup Questions Query
630 630 
 			$questions = array();
631 
-			if ( 0 < $quiz_id ) {
632 
-				$questions = $this->lesson_quiz_questions( $quiz_id );
631 
+			if (0 < $quiz_id) {
632 
+				$questions = $this->lesson_quiz_questions($quiz_id);
633 633 
 			} // End If Statement
634 634
635 635 
 			$question_count = 0;
636 
-			foreach( $questions as $question ) {
636 
+			foreach ($questions as $question) {
637 637
638 
-				if( $question->post_type == 'multiple_question' ) {
639 
-					$question_number = get_post_meta( $question->ID, 'number', true );
638 
+				if ($question->post_type == 'multiple_question') {
639 
+					$question_number = get_post_meta($question->ID, 'number', true);
640 640 
 					$question_count += $question_number;
641 641 
 				} else {
642 642 
 					++$question_count;
 
@@ -645,68 +645,68 @@  discard block
 
 block discarded – undo
645 645 
 			}
646 646
647 647 
 			// Inner DIV
648 
-			$html .= '<div id="add-quiz-metadata"' . $quiz_class . '>';
648 
+			$html .= '<div id="add-quiz-metadata"'.$quiz_class.'>';
649 649
650 650 
 				// Quiz ID
651 
-				$html .= '<input type="hidden" name="quiz_id" id="quiz_id" value="' . esc_attr( $quiz_id ) . '" />';
651 
+				$html .= '<input type="hidden" name="quiz_id" id="quiz_id" value="'.esc_attr($quiz_id).'" />';
652 652
653 653 
 				// Default Message
654 
-				if ( 0 == $quiz_id ) {
654 
+				if (0 == $quiz_id) {
655 655 
 					$html .= '<p class="save-note">';
656 
-						$html .= esc_html( __( 'Please save your lesson in order to add questions to your quiz.', 'woothemes-sensei' ) );
656 
+						$html .= esc_html(__('Please save your lesson in order to add questions to your quiz.', 'woothemes-sensei'));
657 657 
 					$html .= '</p>';
658 658 
 				} // End If Statement
659 659
660 660 
 			$html .= '</div>';
661 661
662 662 
 			// Question Container DIV
663 
-			$html .= '<div id="add-question-main"' . $quiz_class . '>';
663 
+			$html .= '<div id="add-question-main"'.$quiz_class.'>';
664 664 
 				// Inner DIV
665 665 
 				$html .= '<div id="add-question-metadata">';
666 666
667 667 
 					// Count of questions
668 
-					$html .= '<input type="hidden" name="question_counter" id="question_counter" value="' . esc_attr( $question_count ) . '" />';
668 
+					$html .= '<input type="hidden" name="question_counter" id="question_counter" value="'.esc_attr($question_count).'" />';
669 669 
 					// Table headers
670 670 
 					$html .= '<table class="widefat" id="sortable-questions">
671 671 
 								<thead>
672 672 
 								    <tr>
673 673 
 								        <th class="question-count-column">#</th>
674 
-								        <th>' . __( 'Question', 'woothemes-sensei' ) . '</th>
675 
-								        <th style="width:45px;">' . __( 'Grade', 'woothemes-sensei' ) . '</th>
676 
-								        <th style="width:125px;">' . __( 'Type', 'woothemes-sensei' ) . '</th>
677 
-								        <th style="width:125px;">' . __( 'Action', 'woothemes-sensei' ) . '</th>
674 
+								        <th>' . __('Question', 'woothemes-sensei').'</th>
675 
+								        <th style="width:45px;">' . __('Grade', 'woothemes-sensei').'</th>
676 
+								        <th style="width:125px;">' . __('Type', 'woothemes-sensei').'</th>
677 
+								        <th style="width:125px;">' . __('Action', 'woothemes-sensei').'</th>
678 678 
 								    </tr>
679 679 
 								</thead>
680 680 
 								<tfoot>
681 681 
 								    <tr>
682 682 
 									    <th class="question-count-column">#</th>
683 
-									    <th>' . __( 'Question', 'woothemes-sensei' ) . '</th>
684 
-									    <th>' . __( 'Grade', 'woothemes-sensei' ) . '</th>
685 
-									    <th>' . __( 'Type', 'woothemes-sensei' ) . '</th>
686 
-									    <th>' . __( 'Action', 'woothemes-sensei' ) . '</th>
683 
+									    <th>' . __('Question', 'woothemes-sensei').'</th>
684 
+									    <th>' . __('Grade', 'woothemes-sensei').'</th>
685 
+									    <th>' . __('Type', 'woothemes-sensei').'</th>
686 
+									    <th>' . __('Action', 'woothemes-sensei').'</th>
687 687 
 								    </tr>
688 688 
 								</tfoot>';
689 689
690 690 
 					$message_class = '';
691 
-					if ( 0 < $question_count ) { $message_class = 'hidden'; }
691 
+					if (0 < $question_count) { $message_class = 'hidden'; }
692 692
693 
-					$html .= '<tbody id="no-questions-message" class="' . esc_attr( $message_class ) . '">';
693 
+					$html .= '<tbody id="no-questions-message" class="'.esc_attr($message_class).'">';
694 694 
 						$html .= '<tr>';
695 
-							$html .= '<td colspan="5">' . __( 'There are no Questions for this Quiz yet. Please add some below.', 'woothemes-sensei' ) . '</td>';
695 
+							$html .= '<td colspan="5">'.__('There are no Questions for this Quiz yet. Please add some below.', 'woothemes-sensei').'</td>';
696 696 
 						$html .= '</tr>';
697 697 
 					$html .= '</tbody>';
698 698
699 
-					if( 0 < $question_count ) {
700 
-						$html .= $this->quiz_panel_questions( $questions );
699 
+					if (0 < $question_count) {
700 
+						$html .= $this->quiz_panel_questions($questions);
701 701 
 					}
702 702
703 703 
 					$html .= '</table>';
704 704
705 
-					if( ! isset( $this->question_order ) ) {
705 
+					if ( ! isset($this->question_order)) {
706 706 
 						$this->question_order = '';
707 707 
 					}
708 708
709 
-					$html .= '<input type="hidden" id="question-order" name="question-order" value="' . $this->question_order . '" />';
709 
+					$html .= '<input type="hidden" id="question-order" name="question-order" value="'.$this->question_order.'" />';
710 710
711 711 
 				$html .= '</div>';
712 712 
 
@@ -725,47 +725,47 @@  discard block
 
 block discarded – undo
725 725
726 726 
 	}
727 727
728 
-	public function quiz_panel_questions( $questions = array() ) {
728 
+	public function quiz_panel_questions($questions = array()) {
729 729 
 		global $quiz_questions;
730 730
731 731 
 		$quiz_questions = $questions;
732 732
733 733 
 		$html = '';
734 734
735 
-		if( count( $questions ) > 0 ) {
735 
+		if (count($questions) > 0) {
736 736
737 737 
 			$question_class = '';
738 738 
 			$question_counter = 1;
739 739
740 
-			foreach ( $questions as $question ) {
740 
+			foreach ($questions as $question) {
741 741
742 742 
 				$question_id = $question->ID;
743 743
744 
-				$question_type = Sensei()->question->get_question_type( $question_id );
744 
+				$question_type = Sensei()->question->get_question_type($question_id);
745 745
746 746 
 				$multiple_data = array();
747 747 
 				$question_increment = 1;
748 
-				if( 'multiple_question' == $question->post_type ) {
748 
+				if ('multiple_question' == $question->post_type) {
749 749 
 					$question_type = 'category';
750 750
751 
-					$question_category = get_post_meta( $question->ID, 'category', true );
752 
-					$question_cat = get_term( $question_category, 'question-category' );
751 
+					$question_category = get_post_meta($question->ID, 'category', true);
752 
+					$question_cat = get_term($question_category, 'question-category');
753 753
754 
-					$question_number = get_post_meta( $question->ID, 'number', true );
754 
+					$question_number = get_post_meta($question->ID, 'number', true);
755 755 
 					$question_increment = $question_number;
756 756
757 
-					$multiple_data = array( $question_cat->name, $question_number );
757 
+					$multiple_data = array($question_cat->name, $question_number);
758 758 
 				}
759 759
760 
-				if( ! $question_type ) {
760 
+				if ( ! $question_type) {
761 761 
 					$question_type = 'multiple-choice';
762 762 
 				}
763 763
764 764 
 				// Row with question and actions
765 
-				$html .= $this->quiz_panel_question( $question_type, $question_counter, $question_id, 'quiz', $multiple_data );
765 
+				$html .= $this->quiz_panel_question($question_type, $question_counter, $question_id, 'quiz', $multiple_data);
766 766 
 				$question_counter += $question_increment;
767 767
768 
-				if( isset( $this->question_order ) && strlen( $this->question_order ) > 0 ) { $this->question_order .= ','; }
768 
+				if (isset($this->question_order) && strlen($this->question_order) > 0) { $this->question_order .= ','; }
769 769 
 				$this->question_order .= $question_id;
770 770 
 			} // End For Loop
771 771 
 		}
 
@@ -774,161 +774,161 @@  discard block
 
 block discarded – undo
774 774
775 775 
 	}
776 776
777 
-	public function quiz_panel_question( $question_type = '', $question_counter = 0, $question_id = 0, $context = 'quiz', $multiple_data = array() ) {
778 
-		global $row_counter,  $quiz_questions;
777 
+	public function quiz_panel_question($question_type = '', $question_counter = 0, $question_id = 0, $context = 'quiz', $multiple_data = array()) {
778 
+		global $row_counter, $quiz_questions;
779 779
780 780 
 		$html = '';
781 781
782 782 
 		$question_class = '';
783 
-		if( 'quiz' == $context ) {
784 
-			if( ! $row_counter || ! isset( $row_counter ) ) {
783 
+		if ('quiz' == $context) {
784 
+			if ( ! $row_counter || ! isset($row_counter)) {
785 785 
 				$row_counter = 1;
786 786 
 			}
787 
-			if( $row_counter % 2 ) { $question_class = 'alternate'; }
787 
+			if ($row_counter % 2) { $question_class = 'alternate'; }
788 788 
 			++$row_counter;
789 789 
 		}
790 790
791 
-		if( $question_id ) {
791 
+		if ($question_id) {
792 792
793 
-			if( $question_type != 'category' ) {
793 
+			if ($question_type != 'category') {
794 794
795 
-				$question_grade = Sensei()->question->get_question_grade( $question_id );
795 
+				$question_grade = Sensei()->question->get_question_grade($question_id);
796 796
797 
-				$question_media = get_post_meta( $question_id, '_question_media', true );
797 
+				$question_media = get_post_meta($question_id, '_question_media', true);
798 798 
 				$question_media_type = $question_media_thumb = $question_media_link = $question_media_title = '';
799 799 
 				$question_media_thumb_class = $question_media_link_class = $question_media_delete_class = 'hidden';
800 
-				$question_media_add_button = __( 'Add file', 'woothemes-sensei' );
801 
-				if( 0 < intval( $question_media ) ) {
802 
-					$mimetype = get_post_mime_type( $question_media );
803 
-					if( $mimetype ) {
804 
-						$mimetype_array = explode( '/', $mimetype);
805 
-						if( isset( $mimetype_array[0] ) && $mimetype_array[0] ) {
800 
+				$question_media_add_button = __('Add file', 'woothemes-sensei');
801 
+				if (0 < intval($question_media)) {
802 
+					$mimetype = get_post_mime_type($question_media);
803 
+					if ($mimetype) {
804 
+						$mimetype_array = explode('/', $mimetype);
805 
+						if (isset($mimetype_array[0]) && $mimetype_array[0]) {
806 806 
 							$question_media_delete_class = '';
807 807 
 							$question_media_type = $mimetype_array[0];
808 
-							if( 'image' == $question_media_type ) {
809 
-								$question_media_thumb = wp_get_attachment_thumb_url( $question_media );
810 
-								if( $question_media_thumb ) {
808 
+							if ('image' == $question_media_type) {
809 
+								$question_media_thumb = wp_get_attachment_thumb_url($question_media);
810 
+								if ($question_media_thumb) {
811 811 
 									$question_media_thumb_class = '';
812 812 
 								}
813 813 
 							}
814 
-							$question_media_url = wp_get_attachment_url( $question_media );
815 
-							if( $question_media_url ) {
816 
-								$attachment = get_post( $question_media );
814 
+							$question_media_url = wp_get_attachment_url($question_media);
815 
+							if ($question_media_url) {
816 
+								$attachment = get_post($question_media);
817 817 
 								$question_media_title = $attachment->post_title;
818 818
819 
-								if( ! $question_media_title ) {
820 
-									$question_media_filename = basename( $question_media_url );
819 
+								if ( ! $question_media_title) {
820 
+									$question_media_filename = basename($question_media_url);
821 821 
 									$question_media_title = $question_media_filename;
822 822 
 								}
823 
-								$question_media_link = '<a class="' . $question_media_type . '" href="' . esc_url( $question_media_url ) . '" target="_blank">' . $question_media_title . '</a>';
823 
+								$question_media_link = '<a class="'.$question_media_type.'" href="'.esc_url($question_media_url).'" target="_blank">'.$question_media_title.'</a>';
824 824 
 								$question_media_link_class = '';
825 825 
 							}
826 826
827 
-							$question_media_add_button = __( 'Change file', 'woothemes-sensei' );
827 
+							$question_media_add_button = __('Change file', 'woothemes-sensei');
828 828 
 						}
829 829 
 					}
830 830 
 				}
831 831
832 
-				$random_order = get_post_meta( $question_id, '_random_order', true );
833 
-				if( ! $random_order ) {
832 
+				$random_order = get_post_meta($question_id, '_random_order', true);
833 
+				if ( ! $random_order) {
834 834 
 					$random_order = 'yes';
835 835 
 				}
836 836
837 
-				if( ! $question_type ) { $question_type = 'multiple-choice'; }
837 
+				if ( ! $question_type) { $question_type = 'multiple-choice'; }
838 838 
 			}
839 839
840 
-			$html .= '<tbody class="' . $question_class . '">';
840 
+			$html .= '<tbody class="'.$question_class.'">';
841 841
842 
-				if( 'quiz' == $context ) {
842 
+				if ('quiz' == $context) {
843 843 
 					$html .= '<tr>';
844 
-						if( $question_type != 'category' ) {
845 
-							$question = get_post( $question_id );
846 
-							$html .= '<td class="table-count question-number question-count-column"><span class="number">' . $question_counter . '</span></td>';
847 
-							$html .= '<td>' . esc_html( $question->post_title ) . '</td>';
848 
-							$html .= '<td class="question-grade-column">' . esc_html( $question_grade ) . '</td>';
849 
-							$question_types_filtered = ucwords( str_replace( array( '-', 'boolean' ), array( ' ', __( 'True/False', 'woothemes-sensei' ) ), $question_type ) );
850 
-							$html .= '<td>' . esc_html( $question_types_filtered ) . '</td>';
851 
-							$html .= '<td><a title="' . esc_attr( __( 'Edit Question', 'woothemes-sensei' ) ) . '" href="#question_' . $question_counter .'" class="question_table_edit">' . esc_html( __( 'Edit', 'woothemes-sensei' ) ) . '</a> <a title="' . esc_attr( __( 'Remove Question', 'woothemes-sensei' ) ) . '" href="#add-question-metadata" class="question_table_delete">' . esc_html( __( 'Remove', 'woothemes-sensei' ) ) . '</a></td>';
844 
+						if ($question_type != 'category') {
845 
+							$question = get_post($question_id);
846 
+							$html .= '<td class="table-count question-number question-count-column"><span class="number">'.$question_counter.'</span></td>';
847 
+							$html .= '<td>'.esc_html($question->post_title).'</td>';
848 
+							$html .= '<td class="question-grade-column">'.esc_html($question_grade).'</td>';
849 
+							$question_types_filtered = ucwords(str_replace(array('-', 'boolean'), array(' ', __('True/False', 'woothemes-sensei')), $question_type));
850 
+							$html .= '<td>'.esc_html($question_types_filtered).'</td>';
851 
+							$html .= '<td><a title="'.esc_attr(__('Edit Question', 'woothemes-sensei')).'" href="#question_'.$question_counter.'" class="question_table_edit">'.esc_html(__('Edit', 'woothemes-sensei')).'</a> <a title="'.esc_attr(__('Remove Question', 'woothemes-sensei')).'" href="#add-question-metadata" class="question_table_delete">'.esc_html(__('Remove', 'woothemes-sensei')).'</a></td>';
852 852
853 853 
 						} else {
854 854
855 
-							$end_number = intval( $question_counter ) + intval( $multiple_data[1] ) - 1;
856 
-							if( $question_counter == $end_number ) {
855 
+							$end_number = intval($question_counter) + intval($multiple_data[1]) - 1;
856 
+							if ($question_counter == $end_number) {
857 857 
 								$row_numbers = $question_counter;
858 858 
 							} else {
859 
-								$row_numbers = $question_counter . ' - ' . $end_number;
859 
+								$row_numbers = $question_counter.' - '.$end_number;
860 860 
 							}
861 
-							$row_title = sprintf( __( 'Selected from \'%1$s\' ', 'woothemes-sensei' ), $multiple_data[0] );
861 
+							$row_title = sprintf(__('Selected from \'%1$s\' ', 'woothemes-sensei'), $multiple_data[0]);
862 862
863 
-							$html .= '<td class="table-count question-number question-count-column"><span class="number hidden">' . $question_counter . '</span><span class="hidden total-number">' . $multiple_data[1] . '</span><span class="row-numbers">' . esc_html( $row_numbers ) . '</span></td>';
864 
-							$html .= '<td>' . esc_html( $row_title ) . '</td>';
863 
+							$html .= '<td class="table-count question-number question-count-column"><span class="number hidden">'.$question_counter.'</span><span class="hidden total-number">'.$multiple_data[1].'</span><span class="row-numbers">'.esc_html($row_numbers).'</span></td>';
864 
+							$html .= '<td>'.esc_html($row_title).'</td>';
865 865 
 							$html .= '<td class="question-grade-column"></td>';
866 
-							$html .= '<td><input type="hidden" name="question_id" class="row_question_id" id="question_' . $question_counter . '_id" value="' . $question_id . '" /></td>';
867 
-							$html .= '<td><a title="' . esc_attr( __( 'Edit Question', 'woothemes-sensei' ) ) . '" href="#question_' . $question_counter .'" class="question_table_edit" style="visibility:hidden;">' . esc_html( __( 'Edit', 'woothemes-sensei' ) ) . '</a> <a title="' . esc_attr( __( 'Remove Question(s)', 'woothemes-sensei' ) ) . '" href="#add-question-metadata" class="question_multiple_delete" rel="' . $question_id . '">' . esc_html( __( 'Remove', 'woothemes-sensei' ) ) . '</a></td>';
866 
+							$html .= '<td><input type="hidden" name="question_id" class="row_question_id" id="question_'.$question_counter.'_id" value="'.$question_id.'" /></td>';
867 
+							$html .= '<td><a title="'.esc_attr(__('Edit Question', 'woothemes-sensei')).'" href="#question_'.$question_counter.'" class="question_table_edit" style="visibility:hidden;">'.esc_html(__('Edit', 'woothemes-sensei')).'</a> <a title="'.esc_attr(__('Remove Question(s)', 'woothemes-sensei')).'" href="#add-question-metadata" class="question_multiple_delete" rel="'.$question_id.'">'.esc_html(__('Remove', 'woothemes-sensei')).'</a></td>';
868 868
869 869 
 						}
870 870 
 					$html .= '</tr>';
871 871 
 				}
872 872
873 
-				if( $question_type != 'category' ) {
873 
+				if ($question_type != 'category') {
874 874
875 875 
 					$edit_class = '';
876 
-					if( 'quiz' == $context ) {
876 
+					if ('quiz' == $context) {
877 877 
 						$edit_class = 'hidden';
878 878 
 					}
879 879
880 
-					$question = get_post( $question_id );
881 
-					$html .= '<tr class="question-quick-edit ' . esc_attr( $edit_class ) . '">';
880 
+					$question = get_post($question_id);
881 
+					$html .= '<tr class="question-quick-edit '.esc_attr($edit_class).'">';
882 882 
 						$html .= '<td colspan="5">';
883 
-							$html .= '<span class="hidden question_original_counter">' . $question_counter . '</span>';
883 
+							$html .= '<span class="hidden question_original_counter">'.$question_counter.'</span>';
884 884 
 					    	$html .= '<div class="question_required_fields">';
885 885
886 886 
 						    	// Question title
887 887 
 						    	$html .= '<div>';
888 
-							    	$html .= '<label for="question_' . $question_counter . '">' . __( 'Question:', 'woothemes-sensei' ) . '</label> ';
889 
-							    	$html .= '<input type="text" id="question_' . $question_counter . '" name="question" value="' . esc_attr( htmlspecialchars( $question->post_title ) ) . '" size="25" class="widefat" />';
888 
+							    	$html .= '<label for="question_'.$question_counter.'">'.__('Question:', 'woothemes-sensei').'</label> ';
889 
+							    	$html .= '<input type="text" id="question_'.$question_counter.'" name="question" value="'.esc_attr(htmlspecialchars($question->post_title)).'" size="25" class="widefat" />';
890 890 
 						    	$html .= '</div>';
891 891
892 892 
 						    	// Question description
893 893 
 						    	$html .= '<div>';
894 
-							    	$html .= '<label for="question_' . $question_counter . '_desc">' . __( 'Question Description (optional):', 'woothemes-sensei' ) . '</label> ';
894 
+							    	$html .= '<label for="question_'.$question_counter.'_desc">'.__('Question Description (optional):', 'woothemes-sensei').'</label> ';
895 895 
 						    	$html .= '</div>';
896 
-							    	$html .= '<textarea id="question_' . $question_counter . '_desc" name="question_description" class="widefat" rows="4">' . esc_textarea( $question->post_content ) . '</textarea>';
896 
+							    	$html .= '<textarea id="question_'.$question_counter.'_desc" name="question_description" class="widefat" rows="4">'.esc_textarea($question->post_content).'</textarea>';
897 897
898 898 
 						    	// Question grade
899 899 
 						    	$html .= '<div>';
900 
-							    	$html .= '<label for="question_' . $question_counter . '_grade">' . __( 'Question grade:', 'woothemes-sensei' ) . '</label> ';
901 
-							    	$html .= '<input type="number" id="question_' . $question_counter . '_grade" class="question_grade small-text" name="question_grade" min="0" value="' . $question_grade . '" />';
900 
+							    	$html .= '<label for="question_'.$question_counter.'_grade">'.__('Question grade:', 'woothemes-sensei').'</label> ';
901 
+							    	$html .= '<input type="number" id="question_'.$question_counter.'_grade" class="question_grade small-text" name="question_grade" min="0" value="'.$question_grade.'" />';
902 902 
 						    	$html .= '</div>';
903 903
904 904 
 						    	// Random order
905 
-						    	if( $question_type == 'multiple-choice' ) {
905 
+						    	if ($question_type == 'multiple-choice') {
906 906 
 						    		$html .= '<div>';
907 
-						    			$html .= '<label for="' . $question_counter . '_random_order"><input type="checkbox" name="random_order" class="random_order" id="' . $question_counter . '_random_order" value="yes" ' . checked( $random_order, 'yes', false ) . ' /> ' . __( 'Randomise answer order', 'woothemes-sensei' ) . '</label>';
907 
+						    			$html .= '<label for="'.$question_counter.'_random_order"><input type="checkbox" name="random_order" class="random_order" id="'.$question_counter.'_random_order" value="yes" '.checked($random_order, 'yes', false).' /> '.__('Randomise answer order', 'woothemes-sensei').'</label>';
908 908 
 						    		$html .= '</div>';
909 909 
 						    	}
910 910
911 911 
 						    	// Question media
912 912 
 						    	$html .= '<div>';
913 
-							    	$html .= '<label for="question_' . $question_counter . '_media_button">' . __( 'Question media:', 'woothemes-sensei' ) . '</label><br/>';
914 
-							    	$html .= '<button id="question_' . $question_counter . '_media_button" class="upload_media_file_button button-secondary" data-uploader_title="' . __( 'Add file to question', 'woothemes-sensei' ) . '" data-uploader_button_text="' . __( 'Add to question', 'woothemes-sensei' ) . '">' . $question_media_add_button . '</button>';
915 
-							    	$html .= '<button id="question_' . $question_counter . '_media_button_delete" class="delete_media_file_button button-secondary ' . $question_media_delete_class . '">' . __( 'Delete file', 'woothemes-sensei' ) . '</button><br/>';
916 
-							    	$html .= '<span id="question_' . $question_counter . '_media_link" class="question_media_link ' . $question_media_link_class . '">' . $question_media_link . '</span>';
917 
-							    	$html .= '<br/><img id="question_' . $question_counter . '_media_preview" class="question_media_preview ' . $question_media_thumb_class . '" src="' . $question_media_thumb . '" /><br/>';
918 
-							    	$html .= '<input type="hidden" id="question_' . $question_counter . '_media" class="question_media" name="question_media" value="' . $question_media . '" />';
913 
+							    	$html .= '<label for="question_'.$question_counter.'_media_button">'.__('Question media:', 'woothemes-sensei').'</label><br/>';
914 
+							    	$html .= '<button id="question_'.$question_counter.'_media_button" class="upload_media_file_button button-secondary" data-uploader_title="'.__('Add file to question', 'woothemes-sensei').'" data-uploader_button_text="'.__('Add to question', 'woothemes-sensei').'">'.$question_media_add_button.'</button>';
915 
+							    	$html .= '<button id="question_'.$question_counter.'_media_button_delete" class="delete_media_file_button button-secondary '.$question_media_delete_class.'">'.__('Delete file', 'woothemes-sensei').'</button><br/>';
916 
+							    	$html .= '<span id="question_'.$question_counter.'_media_link" class="question_media_link '.$question_media_link_class.'">'.$question_media_link.'</span>';
917 
+							    	$html .= '<br/><img id="question_'.$question_counter.'_media_preview" class="question_media_preview '.$question_media_thumb_class.'" src="'.$question_media_thumb.'" /><br/>';
918 
+							    	$html .= '<input type="hidden" id="question_'.$question_counter.'_media" class="question_media" name="question_media" value="'.$question_media.'" />';
919 919 
 						    	$html .= '</div>';
920 920
921 921 
 						    $html .= '</div>';
922 922
923 
-						    $html .= $this->quiz_panel_question_field( $question_type, $question_id, $question_counter );
923 
+						    $html .= $this->quiz_panel_question_field($question_type, $question_id, $question_counter);
924 924
925 
-						    $html .= '<input type="hidden" id="question_' . $question_counter . '_question_type" class="question_type" name="question_type" value="' . $question_type . '" />';
926 
-							$html .= '<input type="hidden" name="question_id" class="row_question_id" id="question_' . $question_counter . '_id" value="' . $question_id . '" />';
925 
+						    $html .= '<input type="hidden" id="question_'.$question_counter.'_question_type" class="question_type" name="question_type" value="'.$question_type.'" />';
926 
+							$html .= '<input type="hidden" name="question_id" class="row_question_id" id="question_'.$question_counter.'_id" value="'.$question_id.'" />';
927 927
928 
-							if( 'quiz' == $context ) {
928 
+							if ('quiz' == $context) {
929 929 
 					    		$html .= '<div class="update-question">';
930 
-						    		$html .= '<a href="#question-edit-cancel" class="lesson_question_cancel" title="' . esc_attr( __( 'Cancel', 'woothemes-sensei' ) ) . '">' . __( 'Cancel', 'woothemes-sensei' ) . '</a> ';
931 
-						    		$html .= '<a title="' . esc_attr( __( 'Update Question', 'woothemes-sensei' ) ) . '" href="#add-question-metadata" class="question_table_save button button-highlighted">' . esc_html( __( 'Update', 'woothemes-sensei' ) ) . '</a>';
930 
+						    		$html .= '<a href="#question-edit-cancel" class="lesson_question_cancel" title="'.esc_attr(__('Cancel', 'woothemes-sensei')).'">'.__('Cancel', 'woothemes-sensei').'</a> ';
931 
+						    		$html .= '<a title="'.esc_attr(__('Update Question', 'woothemes-sensei')).'" href="#add-question-metadata" class="question_table_save button button-highlighted">'.esc_html(__('Update', 'woothemes-sensei')).'</a>';
932 932 
 					    		$html .= '</div>';
933 933 
 					    	}
934 934 
 
@@ -943,79 +943,79 @@  discard block
 
 block discarded – undo
943 943 
 		return $html;
944 944 
 	}
945 945
946 
-	public function quiz_panel_add( $context = 'quiz' ) {
946 
+	public function quiz_panel_add($context = 'quiz') {
947 947
948 948
949 949 
 		$html = '<div id="add-new-question">';
950 950
951 951 
 			$question_types = Sensei()->question->question_types();
952 952
953 
-			$question_cats = get_terms( 'question-category', array( 'hide_empty' => false ) );
953 
+			$question_cats = get_terms('question-category', array('hide_empty' => false));
954 954
955 
-			if( 'quiz' == $context ) {
955 
+			if ('quiz' == $context) {
956 956 
 	    		$html .= '<h2 class="nav-tab-wrapper add-question-tabs">';
957 
-	    			$html .= '<a id="tab-new" class="nav-tab nav-tab-active">' . __( 'New Question'  , 'woothemes-sensei' ) . '</a>';
958 
-	    			$html .= '<a id="tab-existing" class="nav-tab">' . __( 'Existing Questions'  , 'woothemes-sensei' ) . '</a>';
959 
-                    if ( ! empty( $question_cats ) && ! is_wp_error( $question_cats )  && ! Sensei()->teacher->is_admin_teacher() ) {
960 
-	    				$html .= '<a id="tab-multiple" class="nav-tab">' . __( 'Category Questions'  , 'woothemes-sensei' ) . '</a>';
957 
+	    			$html .= '<a id="tab-new" class="nav-tab nav-tab-active">'.__('New Question', 'woothemes-sensei').'</a>';
958 
+	    			$html .= '<a id="tab-existing" class="nav-tab">'.__('Existing Questions', 'woothemes-sensei').'</a>';
959 
+                    if ( ! empty($question_cats) && ! is_wp_error($question_cats) && ! Sensei()->teacher->is_admin_teacher()) {
960 
+	    				$html .= '<a id="tab-multiple" class="nav-tab">'.__('Category Questions', 'woothemes-sensei').'</a>';
961 961 
 	    			}
962 962 
 	    		$html .= '</h2>';
963 963 
 	    	}
964 964
965 965 
 	    	$html .= '<div class="tab-content" id="tab-new-content">';
966 966
967 
-	    		if( 'quiz' == $context ) {
968 
-	    			$html .= '<p><em>' . sprintf( __( 'Add a new question to this quiz - your question will also be added to the %1$squestion bank%2$s.', 'woothemes-sensei' ), '<a href="' . admin_url( 'edit.php?post_type=question' ) . '">', '</a>' ) . '</em></p>';
967 
+	    		if ('quiz' == $context) {
968 
+	    			$html .= '<p><em>'.sprintf(__('Add a new question to this quiz - your question will also be added to the %1$squestion bank%2$s.', 'woothemes-sensei'), '<a href="'.admin_url('edit.php?post_type=question').'">', '</a>').'</em></p>';
969 969 
 	    		}
970 970
971 971 
 				$html .= '<div class="question">';
972 972 
 					$html .= '<div class="question_required_fields">';
973 973
974 974 
 						// Question title
975 
-						$html .= '<p><label>' . __( 'Question:'  , 'woothemes-sensei' ) . '</label> ';
975 
+						$html .= '<p><label>'.__('Question:', 'woothemes-sensei').'</label> ';
976 976 
 	  					$html .= '<input type="text" id="add_question" name="question" value="" size="25" class="widefat" /></p>';
977 977
978 978 
 						// Question description
979 979 
 						$html .= '<p>';
980 
-							$html .= '<label for="question_desc">' . __( 'Question Description (optional):', 'woothemes-sensei' ) . '</label> ';
980 
+							$html .= '<label for="question_desc">'.__('Question Description (optional):', 'woothemes-sensei').'</label> ';
981 981 
 						$html .= '</p>';
982 982 
 						$html .= '<textarea id="question_desc" name="question_description" class="widefat" rows="4"></textarea>';
983 983
984 984 
 	  					// Question type
985 
-						$html .= '<p><label>' . __( 'Question Type:' , 'woothemes-sensei' ) . '</label> ';
986 
-						$html .= '<select id="add-question-type-options" name="question_type" class="chosen_select widefat question-type-select">' . "\n";
987 
-							foreach ( $question_types as $type => $label ) {
988 
-								$html .= '<option value="' . esc_attr( $type ) . '">' . esc_html( $label ) . '</option>' . "\n";
985 
+						$html .= '<p><label>'.__('Question Type:', 'woothemes-sensei').'</label> ';
986 
+						$html .= '<select id="add-question-type-options" name="question_type" class="chosen_select widefat question-type-select">'."\n";
987 
+							foreach ($question_types as $type => $label) {
988 
+								$html .= '<option value="'.esc_attr($type).'">'.esc_html($label).'</option>'."\n";
989 989 
 							} // End For Loop
990 
-						$html .= '</select></p>' . "\n";
990 
+						$html .= '</select></p>'."\n";
991 991
992 992 
 						// Question category
993 
-						if( 'quiz' == $context ) {
994 
-							if ( ! empty( $question_cats ) && ! is_wp_error( $question_cats ) ) {
995 
-								$html .= '<p><label>' . __( 'Question Category:' , 'woothemes-sensei' ) . '</label> ';
996 
-								$html .= '<select id="add-question-category-options" name="question_category" class="chosen_select widefat question-category-select">' . "\n";
997 
-								$html .= '<option value="">' . __( 'None', 'woothemes-sensei' ) . '</option>' . "\n";
998 
-								foreach( $question_cats as $cat ) {
999 
-									$html .= '<option value="' . esc_attr( $cat->term_id ) . '">' . esc_html( $cat->name ) . '</option>';
993 
+						if ('quiz' == $context) {
994 
+							if ( ! empty($question_cats) && ! is_wp_error($question_cats)) {
995 
+								$html .= '<p><label>'.__('Question Category:', 'woothemes-sensei').'</label> ';
996 
+								$html .= '<select id="add-question-category-options" name="question_category" class="chosen_select widefat question-category-select">'."\n";
997 
+								$html .= '<option value="">'.__('None', 'woothemes-sensei').'</option>'."\n";
998 
+								foreach ($question_cats as $cat) {
999 
+									$html .= '<option value="'.esc_attr($cat->term_id).'">'.esc_html($cat->name).'</option>';
1000 1000 
 								} // End For Loop
1001 
-								$html .= '</select></p>' . "\n";
1001 
+								$html .= '</select></p>'."\n";
1002 1002 
 							}
1003 1003 
 						}
1004 1004
1005 1005 
 	  					// Question grade
1006 
-						$html .= '<p><label>' . __( 'Question Grade:'  , 'woothemes-sensei' ) . '</label> ';
1007 
-						$html .= '<input type="number" id="add-question-grade" name="question_grade" class="small-text" min="0" value="1" /></p>' . "\n";
1006 
+						$html .= '<p><label>'.__('Question Grade:', 'woothemes-sensei').'</label> ';
1007 
+						$html .= '<input type="number" id="add-question-grade" name="question_grade" class="small-text" min="0" value="1" /></p>'."\n";
1008 1008
1009 1009 
 						// Random order
1010 1010 
 						$html .= '<p class="add_question_random_order">';
1011 
-			    			$html .= '<label for="add_random_order"><input type="checkbox" name="random_order" class="random_order" id="add_random_order" value="yes" checked="checked" /> ' . __( 'Randomise answer order', 'woothemes-sensei' ) . '</label>';
1011 
+			    			$html .= '<label for="add_random_order"><input type="checkbox" name="random_order" class="random_order" id="add_random_order" value="yes" checked="checked" /> '.__('Randomise answer order', 'woothemes-sensei').'</label>';
1012 1012 
 			    		$html .= '</p>';
1013 1013
1014 1014 
 			    		// Question media
1015 1015 
 						$html .= '<p>';
1016 
-					    	$html .= '<label for="question_add_new_media_button">' . __( 'Question media:', 'woothemes-sensei' ) . '</label><br/>';
1017 
-					    	$html .= '<button id="question_add_new_media_button" class="upload_media_file_button button-secondary" data-uploader_title="' . __( 'Add file to question', 'woothemes-sensei' ) . '" data-uploader_button_text="' . __( 'Add to question', 'woothemes-sensei' ) . '">' . __( 'Add file', 'woothemes-sensei' ) . '</button>';
1018 
-					    	$html .= '<button id="question_add_new_media_button_delete" class="delete_media_file_button button-secondary hidden">' . __( 'Delete file', 'woothemes-sensei' ) . '</button><br/>';
1016 
+					    	$html .= '<label for="question_add_new_media_button">'.__('Question media:', 'woothemes-sensei').'</label><br/>';
1017 
+					    	$html .= '<button id="question_add_new_media_button" class="upload_media_file_button button-secondary" data-uploader_title="'.__('Add file to question', 'woothemes-sensei').'" data-uploader_button_text="'.__('Add to question', 'woothemes-sensei').'">'.__('Add file', 'woothemes-sensei').'</button>';
1018 
+					    	$html .= '<button id="question_add_new_media_button_delete" class="delete_media_file_button button-secondary hidden">'.__('Delete file', 'woothemes-sensei').'</button><br/>';
1019 1019 
 					    	$html .= '<span id="question_add_new_media_link" class="question_media_link hidden"></span>';
1020 1020 
 					    	$html .= '<br/><img id="question_add_new_media_preview" class="question_media_preview hidden" src="" /><br/>';
1021 1021 
 					    	$html .= '<input type="hidden" id="question_add_new_media" class="question_media" name="question_media" value="" />';
 
@@ -1024,44 +1024,44 @@  discard block
 
 block discarded – undo
1024 1024 
 					$html .= '</div>';
1025 1025 
 				$html .= '</div>';
1026 1026
1027 
-				foreach ( $question_types as $type => $label ) {
1028 
-					$html .= $this->quiz_panel_question_field( $type );
1027 
+				foreach ($question_types as $type => $label) {
1028 
+					$html .= $this->quiz_panel_question_field($type);
1029 1029 
 				}
1030 1030
1031 
-				if( 'quiz' == $context ) {
1031 
+				if ('quiz' == $context) {
1032 1032 
 					$html .= '<div class="add-question">';
1033 
-			    		$html .= '<a title="' . esc_attr( __( 'Add Question', 'woothemes-sensei' ) ) . '" href="#add-question-metadata" class="add_question_save button button-primary button-highlighted">' . esc_html( __( 'Add Question', 'woothemes-sensei' ) ) . '</a>';
1033 
+			    		$html .= '<a title="'.esc_attr(__('Add Question', 'woothemes-sensei')).'" href="#add-question-metadata" class="add_question_save button button-primary button-highlighted">'.esc_html(__('Add Question', 'woothemes-sensei')).'</a>';
1034 1034 
 		    		$html .= '</div>';
1035 1035 
 		    	}
1036 1036
1037 1037 
 		    $html .= '</div>';
1038 1038
1039 
-		    if( 'quiz' == $context ) {
1039 
+		    if ('quiz' == $context) {
1040 1040
1041 1041 
 			    $html .= '<div class="tab-content hidden" id="tab-existing-content">';
1042 1042
1043 
-			    	$html .= '<p><em>' . sprintf( __( 'Add an existing question to this quiz from the %1$squestion bank%2$s.', 'woothemes-sensei' ), '<a href="' . admin_url( 'edit.php?post_type=question' ) . '">', '</a>' ) . '</em></p>';
1043 
+			    	$html .= '<p><em>'.sprintf(__('Add an existing question to this quiz from the %1$squestion bank%2$s.', 'woothemes-sensei'), '<a href="'.admin_url('edit.php?post_type=question').'">', '</a>').'</em></p>';
1044 1044
1045 1045 
 			    	$html .= '<div id="existing-filters" class="alignleft actions">
1046 1046 
 			    				<select id="existing-status">
1047 
-			    					<option value="all">' . __( 'All', 'woothemes-sensei' ) . '</option>
1048 
-			    					<option value="unused">' . __( 'Unused', 'woothemes-sensei' ) . '</option>
1049 
-			    					<option value="used">' . __( 'Used', 'woothemes-sensei' ) . '</option>
1047 
+			    					<option value="all">' . __('All', 'woothemes-sensei').'</option>
1048 
+			    					<option value="unused">' . __('Unused', 'woothemes-sensei').'</option>
1049 
+			    					<option value="used">' . __('Used', 'woothemes-sensei').'</option>
1050 1050 
 			    				</select>
1051 1051 
 			    				<select id="existing-type">
1052 
-			    					<option value="">' . __( 'All Types', 'woothemes-sensei' ) . '</option>';
1053 
-							    	foreach ( $question_types as $type => $label ) {
1054 
-										$html .= '<option value="' . esc_attr( $type ) . '">' . esc_html( $label ) . '</option>';
1052 
+			    					<option value="">' . __('All Types', 'woothemes-sensei').'</option>';
1053 
+							    	foreach ($question_types as $type => $label) {
1054 
+										$html .= '<option value="'.esc_attr($type).'">'.esc_html($label).'</option>';
1055 1055 
 									}
1056 1056 
     				$html .= '</select>
1057 1057 
     							<select id="existing-category">
1058 
-			    					<option value="">' . __( 'All Categories', 'woothemes-sensei' ) . '</option>';
1059 
-				    				foreach( $question_cats as $cat ) {
1060 
-										$html .= '<option value="' . esc_attr( $cat->slug ) . '">' . esc_html( $cat->name ) . '</option>';
1058 
+			    					<option value="">' . __('All Categories', 'woothemes-sensei').'</option>';
1059 
+				    				foreach ($question_cats as $cat) {
1060 
+										$html .= '<option value="'.esc_attr($cat->slug).'">'.esc_html($cat->name).'</option>';
1061 1061 
 									}
1062 1062 
     				$html .= '</select>
1063 
-    							<input type="text" id="existing-search" placeholder="' . __( 'Search', 'woothemes-sensei' ) . '" />
1064 
-    							<a class="button" id="existing-filter-button">' . __( 'Filter', 'woothemes-sensei' ) . '</a>
1063 
+    							<input type="text" id="existing-search" placeholder="' . __('Search', 'woothemes-sensei').'" />
1064 
+    							<a class="button" id="existing-filter-button">' . __('Filter', 'woothemes-sensei').'</a>
1065 1065 
 			    			</div>';
1066 1066
1067 1067 
 			    	$html .= '<table id="existing-table" class="widefat">';
 
@@ -1069,17 +1069,17 @@  discard block
 
 block discarded – undo
1069 1069 
 			    		$html .= '<thead>
1070 1070 
 									    <tr>
1071 1071 
 									        <th scope="col" class="column-cb check-column"><input type="checkbox" /></th>
1072 
-									        <th scope="col">' . __( 'Question', 'woothemes-sensei' ) . '</th>
1073 
-									        <th scope="col">' . __( 'Type', 'woothemes-sensei' ) . '</th>
1074 
-									        <th scope="col">' . __( 'Category', 'woothemes-sensei' ) . '</th>
1072 
+									        <th scope="col">' . __('Question', 'woothemes-sensei').'</th>
1073 
+									        <th scope="col">' . __('Type', 'woothemes-sensei').'</th>
1074 
+									        <th scope="col">' . __('Category', 'woothemes-sensei').'</th>
1075 1075 
 									    </tr>
1076 1076 
 									</thead>
1077 1077 
 									<tfoot>
1078 1078 
 									    <tr>
1079 1079 
 										    <th scope="col" class="check-column"><input type="checkbox" /></th>
1080 
-									        <th scope="col">' . __( 'Question', 'woothemes-sensei' ) . '</th>
1081 
-									        <th scope="col">' . __( 'Type', 'woothemes-sensei' ) . '</th>
1082 
-									        <th scope="col">' . __( 'Category', 'woothemes-sensei' ) . '</th>
1080 
+									        <th scope="col">' . __('Question', 'woothemes-sensei').'</th>
1081 
+									        <th scope="col">' . __('Type', 'woothemes-sensei').'</th>
1082 
+									        <th scope="col">' . __('Category', 'woothemes-sensei').'</th>
1083 1083 
 									    </tr>
1084 1084 
 									</tfoot>';
1085 1085 
 						$html .= '<tbody id="existing-questions">';
 
@@ -1087,8 +1087,8 @@  discard block
 
 block discarded – undo
1087 1087 
 						$questions = $this->quiz_panel_get_existing_questions();
1088 1088
1089 1089 
 						$row = 1;
1090 
-						foreach( $questions['questions'] as $question ) {
1091 
-							$html .= $this->quiz_panel_add_existing_question( $question->ID, $row );
1090 
+						foreach ($questions['questions'] as $question) {
1091 
+							$html .= $this->quiz_panel_add_existing_question($question->ID, $row);
1092 1092 
 							++$row;
1093 1093 
 						}
1094 1094 
 
@@ -1097,36 +1097,36 @@  discard block
 
 block discarded – undo
1097 1097 
 			    	$html .= '</table>';
1098 1098
1099 1099 
 			    	$next_class = '';
1100 
-			    	if( $questions['count'] <= 10 ) {
1100 
+			    	if ($questions['count'] <= 10) {
1101 1101 
 			    		$next_class = 'hidden';
1102 1102 
 			    	}
1103 1103
1104 1104 
 			    	$html .= '<div id="existing-pagination">';
1105 1105 
 			    		$html .= '<input type="hidden" id="existing-page" value="1" />';
1106 
-			    		$html .= '<a class="prev no-paging">&larr; ' . __( 'Previous', 'woothemes-sensei') . '</a> <a class="next ' . esc_attr( $next_class ) . '">' . __( 'Next', 'woothemes-sensei') . ' &rarr;</a>';
1106 
+			    		$html .= '<a class="prev no-paging">&larr; '.__('Previous', 'woothemes-sensei').'</a> <a class="next '.esc_attr($next_class).'">'.__('Next', 'woothemes-sensei').' &rarr;</a>';
1107 1107 
 			    	$html .= '</div>';
1108 1108
1109 1109 
 			    	$html .= '<div class="existing-actions">';
1110 
-			    		$html .= '<a title="' . esc_attr( __( 'Add Selected Question(s)', 'woothemes-sensei' ) ) . '" class="add_existing_save button button-primary button-highlighted">' . esc_html( __( 'Add Selected Question(s)', 'woothemes-sensei' ) ) . '</a></p>';
1110 
+			    		$html .= '<a title="'.esc_attr(__('Add Selected Question(s)', 'woothemes-sensei')).'" class="add_existing_save button button-primary button-highlighted">'.esc_html(__('Add Selected Question(s)', 'woothemes-sensei')).'</a></p>';
1111 1111 
 			    	$html .= '</div>';
1112 1112
1113 1113 
 			    $html .= '</div>';
1114 1114
1115 
-			    if ( ! empty( $question_cats ) && ! is_wp_error( $question_cats ) ) {
1115 
+			    if ( ! empty($question_cats) && ! is_wp_error($question_cats)) {
1116 1116 
 				    $html .= '<div class="tab-content hidden" id="tab-multiple-content">';
1117 1117
1118 
-				    	$html .= '<p><em>' . sprintf( __( 'Add any number of questions from a specified category. Edit your question categories %1$shere%2$s.', 'woothemes-sensei' ), '<a href="' . admin_url( 'edit-tags.php?taxonomy=question-category&post_type=question' ) . '">', '</a>' ) . '</em></p>';
1118 
+				    	$html .= '<p><em>'.sprintf(__('Add any number of questions from a specified category. Edit your question categories %1$shere%2$s.', 'woothemes-sensei'), '<a href="'.admin_url('edit-tags.php?taxonomy=question-category&post_type=question').'">', '</a>').'</em></p>';
1119 1119
1120 
-						$html .= '<p><select id="add-multiple-question-category-options" name="multiple_category" class="chosen_select widefat question-category-select">' . "\n";
1121 
-						$html .= '<option value="">' . __( 'Select a Question Category', 'woothemes-sensei' ) . '</option>' . "\n";
1122 
-						foreach( $question_cats as $cat ) {
1123 
-							$html .= '<option value="' . esc_attr( $cat->term_id ) . '">' . esc_html( $cat->name ) . '</option>';
1120 
+						$html .= '<p><select id="add-multiple-question-category-options" name="multiple_category" class="chosen_select widefat question-category-select">'."\n";
1121 
+						$html .= '<option value="">'.__('Select a Question Category', 'woothemes-sensei').'</option>'."\n";
1122 
+						foreach ($question_cats as $cat) {
1123 
+							$html .= '<option value="'.esc_attr($cat->term_id).'">'.esc_html($cat->name).'</option>';
1124 1124 
 						} // End For Loop
1125 
-						$html .= '</select></p>' . "\n";
1125 
+						$html .= '</select></p>'."\n";
1126 1126
1127 
-						$html .= '<p>' . __( 'Number of questions:', 'woothemes-sensei' ) . ' <input type="number" min="1" value="1" max="1" id="add-multiple-question-count" class="small-text"/>';
1127 
+						$html .= '<p>'.__('Number of questions:', 'woothemes-sensei').' <input type="number" min="1" value="1" max="1" id="add-multiple-question-count" class="small-text"/>';
1128 1128
1129 
-						$html .= '<a title="' . esc_attr( __( 'Add Question(s)', 'woothemes-sensei' ) ) . '" class="add_multiple_save button button-primary button-highlighted">' . esc_html( __( 'Add Question(s)', 'woothemes-sensei' ) ) . '</a></p>';
1129 
+						$html .= '<a title="'.esc_attr(__('Add Question(s)', 'woothemes-sensei')).'" class="add_multiple_save button button-primary button-highlighted">'.esc_html(__('Add Question(s)', 'woothemes-sensei')).'</a></p>';
1130 1130
1131 1131 
 				    $html .= '</div>';
1132 1132 
 				}
 
@@ -1137,7 +1137,7 @@  discard block
 
 block discarded – undo
1137 1137 
 		return $html;
1138 1138 
 	}
1139 1139
1140 
-	public function quiz_panel_get_existing_questions( $question_status = 'all', $question_type = '', $question_category = '', $question_search = '', $page = 1 ) {
1140 
+	public function quiz_panel_get_existing_questions($question_status = 'all', $question_type = '', $question_category = '', $question_search = '', $page = 1) {
1141 1141
1142 1142 
 		$args = array(
1143 1143 
 			'post_type' => 'question',
 
@@ -1146,14 +1146,14 @@  discard block
 
 block discarded – undo
1146 1146 
 			'suppress_filters' => 0,
1147 1147 
 		);
1148 1148
1149 
-		switch( $question_status ) {
1149 
+		switch ($question_status) {
1150 1150 
 			case 'unused': $quiz_status = 'NOT EXISTS'; break;
1151 1151 
 			case 'used': $quiz_status = 'EXISTS'; break;
1152 1152 
 			default: $quiz_status = ''; break;
1153 1153 
 		}
1154 1154
1155 
-		if( $quiz_status ) {
1156 
-			switch( $quiz_status ) {
1155 
+		if ($quiz_status) {
1156 
+			switch ($quiz_status) {
1157 1157 
 				case 'EXISTS':
1158 1158 
 					$args['meta_query'][] = array(
1159 1159 
 						'key' => '_quiz_id',
 
@@ -1171,7 +1171,7 @@  discard block
 
 block discarded – undo
1171 1171 
 			}
1172 1172 
 		}
1173 1173
1174 
-		if( $question_type ) {
1174 
+		if ($question_type) {
1175 1175 
 			$args['tax_query'][] = array(
1176 1176 
 				'taxonomy' => 'question-type',
1177 1177 
 				'field' => 'slug',
 
@@ -1179,7 +1179,7 @@  discard block
 
 block discarded – undo
1179 1179 
 			);
1180 1180 
 		}
1181 1181
1182 
-		if( $question_category ) {
1182 
+		if ($question_category) {
1183 1183 
 			$args['tax_query'][] = array(
1184 1184 
 				'taxonomy' => 'question-category',
1185 1185 
 				'field' => 'slug',
 
@@ -1187,19 +1187,19 @@  discard block
 
 block discarded – undo
1187 1187 
 			);
1188 1188 
 		}
1189 1189
1190 
-		if( $question_type && $question_category ) {
1190 
+		if ($question_type && $question_category) {
1191 1191 
 			$args['tax_query']['relation'] = 'AND';
1192 1192 
 		}
1193 1193
1194 
-		if( $question_search ) {
1194 
+		if ($question_search) {
1195 1195 
 			$args['s'] = $question_search;
1196 1196 
 		}
1197 1197
1198 
-		if( $page ) {
1198 
+		if ($page) {
1199 1199 
 			$args['paged'] = $page;
1200 1200 
 		}
1201 1201
1202 
-		$qry = new WP_Query( $args );
1202 
+		$qry = new WP_Query($args);
1203 1203
1204 1204 
         /**
1205 1205 
          * Filter existing questions query
 
@@ -1208,39 +1208,39 @@  discard block
 
 block discarded – undo
1208 1208 
          *
1209 1209 
          * @param WP_Query $wp_query
1210 1210 
          */
1211 
-        $qry = apply_filters( 'sensei_existing_questions_query_results', $qry );
1211 
+        $qry = apply_filters('sensei_existing_questions_query_results', $qry);
1212 1212
1213 1213 
 		$questions['questions'] = $qry->posts;
1214 
-		$questions['count'] = intval( $qry->found_posts );
1214 
+		$questions['count'] = intval($qry->found_posts);
1215 1215 
 		$questions['page'] = $page;
1216 1216
1217 1217 
 		return $questions;
1218 1218 
 	}
1219 1219
1220 
-	public function quiz_panel_add_existing_question( $question_id = 0, $row = 1 ) {
1220 
+	public function quiz_panel_add_existing_question($question_id = 0, $row = 1) {
1221 1221
1222 1222 
 		$html = '';
1223 1223
1224 
-		if( ! $question_id ) {
1224 
+		if ( ! $question_id) {
1225 1225
1226 1226 
             return;
1227 1227
1228 1228 
         }
1229 1229
1230 1230 
 		$existing_class = '';
1231 
-		if( $row % 2 ) {
1231 
+		if ($row % 2) {
1232 1232 
             $existing_class = 'alternate';
1233 1233 
         }
1234 1234
1235 
-		$question_type = Sensei()->question->get_question_type( $question_id );
1235 
+		$question_type = Sensei()->question->get_question_type($question_id);
1236 1236
1237 
-		$question_cat_list = strip_tags( get_the_term_list( $question_id, 'question-category', '', ', ', '' ) );
1237 
+		$question_cat_list = strip_tags(get_the_term_list($question_id, 'question-category', '', ', ', ''));
1238 1238
1239 
-		$html .= '<tr class="' . esc_attr( $existing_class ) . '">
1240 
-					<td class="cb"><input type="checkbox" value="' . $question_id . '" class="existing-item" /></td>
1241 
-					<td>' . get_the_title( $question_id ) . '</td>
1242 
-					<td>' . esc_html( $question_type ) . '</td>
1243 
-					<td>' . esc_html( $question_cat_list ) . '</td>
1239 
+		$html .= '<tr class="'.esc_attr($existing_class).'">
1240 
+					<td class="cb"><input type="checkbox" value="' . $question_id.'" class="existing-item" /></td>
1241 
+					<td>' . get_the_title($question_id).'</td>
1242 
+					<td>' . esc_html($question_type).'</td>
1243 
+					<td>' . esc_html($question_cat_list).'</td>
1244 1244 
 				  </tr>';
1245 1245
1246 1246 
 		return $html;
 
@@ -1253,58 +1253,58 @@  discard block
 
 block discarded – undo
1253 1253
1254 1254 
 		//Add nonce security to the request
1255 1255 
 		$nonce = '';
1256 
-		if( isset( $_POST['filter_existing_questions_nonce'] ) ) {
1257 
-			$nonce = esc_html( $_POST['filter_existing_questions_nonce'] );
1256 
+		if (isset($_POST['filter_existing_questions_nonce'])) {
1257 
+			$nonce = esc_html($_POST['filter_existing_questions_nonce']);
1258 1258 
 		} // End If Statement
1259 1259
1260 
-		if( ! wp_verify_nonce( $nonce, 'filter_existing_questions_nonce' ) ) {
1261 
-			die( $return );
1260 
+		if ( ! wp_verify_nonce($nonce, 'filter_existing_questions_nonce')) {
1261 
+			die($return);
1262 1262 
 		} // End If Statement
1263 1263
1264 1264 
 		// Parse POST data
1265 1265 
 		$data = $_POST['data'];
1266 1266 
 		$question_data = array();
1267 
-		parse_str( $data, $question_data );
1267 
+		parse_str($data, $question_data);
1268 1268
1269 
-		if( 0 < count( $question_data ) ) {
1269 
+		if (0 < count($question_data)) {
1270 1270
1271 1271 
 			$question_status = '';
1272 
-			if( isset( $question_data['question_status'] ) ) {
1272 
+			if (isset($question_data['question_status'])) {
1273 1273 
 				$question_status = $question_data['question_status'];
1274 1274 
 			}
1275 1275
1276 1276 
 			$question_type = '';
1277 
-			if( isset( $question_data['question_type'] ) ) {
1277 
+			if (isset($question_data['question_type'])) {
1278 1278 
 				$question_type = $question_data['question_type'];
1279 1279 
 			}
1280 1280
1281 1281 
 			$question_category = '';
1282 
-			if( isset( $question_data['question_category'] ) ) {
1282 
+			if (isset($question_data['question_category'])) {
1283 1283 
 				$question_category = $question_data['question_category'];
1284 1284 
 			}
1285 1285
1286 1286 
 			$question_search = '';
1287 
-			if( isset( $question_data['question_search'] ) ) {
1287 
+			if (isset($question_data['question_search'])) {
1288 1288 
 				$question_search = $question_data['question_search'];
1289 1289 
 			}
1290 1290
1291 1291 
 			$question_page = 1;
1292 
-			if( isset( $question_data['question_page'] ) ) {
1293 
-				$question_page = intval( $question_data['question_page'] );
1292 
+			if (isset($question_data['question_page'])) {
1293 
+				$question_page = intval($question_data['question_page']);
1294 1294 
 			}
1295 1295
1296 
-			$questions = $this->quiz_panel_get_existing_questions( $question_status, $question_type, $question_category, $question_search, $question_page );
1296 
+			$questions = $this->quiz_panel_get_existing_questions($question_status, $question_type, $question_category, $question_search, $question_page);
1297 1297
1298 1298 
 			$row = 1;
1299 1299 
 			$html = '';
1300 
-			foreach( $questions['questions'] as $question ) {
1301 
-				$html .= $this->quiz_panel_add_existing_question( $question->ID, $row );
1300 
+			foreach ($questions['questions'] as $question) {
1301 
+				$html .= $this->quiz_panel_add_existing_question($question->ID, $row);
1302 1302 
 				++$row;
1303 1303 
 			}
1304 1304
1305 
-			if( ! $html ) {
1305 
+			if ( ! $html) {
1306 1306 
 				$html = '<tr class="alternate">
1307 
-								<td class="no-results" colspan="4"><em>' . __( 'There are no questions matching your search.', 'woothemes-sensei' ) . '</em></td>
1307 
+								<td class="no-results" colspan="4"><em>' . __('There are no questions matching your search.', 'woothemes-sensei').'</em></td>
1308 1308 
 							  </tr>';
1309 1309 
 			}
1310 1310 
 
@@ -1312,53 +1312,53 @@  discard block
 
 block discarded – undo
1312 1312 
 			$return['count'] = $questions['count'];
1313 1313 
 			$return['page'] = $questions['page'];
1314 1314
1315 
-			wp_send_json( $return );
1315 
+			wp_send_json($return);
1316 1316 
 		}
1317 1317
1318 
-		die( $return );
1318 
+		die($return);
1319 1319 
 	}
1320 1320
1321 
-	public function quiz_panel_question_field( $question_type = '', $question_id = 0, $question_counter = 0 ) {
1321 
+	public function quiz_panel_question_field($question_type = '', $question_id = 0, $question_counter = 0) {
1322 1322
1323 1323 
 		$html = '';
1324 1324
1325 
-		if( $question_type ) {
1325 
+		if ($question_type) {
1326 1326
1327 1327 
 			$right_answer = '';
1328 1328 
 			$wrong_answers = array();
1329 1329 
 			$answer_order_string = '';
1330 1330 
 			$answer_order = array();
1331 
-			if( $question_id ) {
1332 
-				$right_answer = get_post_meta( $question_id, '_question_right_answer', true);
1333 
-				$wrong_answers = get_post_meta( $question_id, '_question_wrong_answers', true);
1334 
-				$answer_order_string = get_post_meta( $question_id, '_answer_order', true );
1335 
-				$answer_order = array_filter( explode( ',', $answer_order_string ) );
1331 
+			if ($question_id) {
1332 
+				$right_answer = get_post_meta($question_id, '_question_right_answer', true);
1333 
+				$wrong_answers = get_post_meta($question_id, '_question_wrong_answers', true);
1334 
+				$answer_order_string = get_post_meta($question_id, '_answer_order', true);
1335 
+				$answer_order = array_filter(explode(',', $answer_order_string));
1336 1336 
 				$question_class = '';
1337 1337 
 			} else {
1338 1338 
 				$question_id = '';
1339 1339 
 				$question_class = 'answer-fields question_required_fields hidden';
1340 1340 
 			}
1341 1341
1342 
-			switch ( $question_type ) {
1342 
+			switch ($question_type) {
1343 1343 
 				case 'multiple-choice':
1344 
-					$html .= '<div class="question_default_fields multiple-choice-answers ' . str_replace( ' hidden', '', $question_class ) . '">';
1344 
+					$html .= '<div class="question_default_fields multiple-choice-answers '.str_replace(' hidden', '', $question_class).'">';
1345 1345
1346 1346 
 						$right_answers = (array) $right_answer;
1347 1347 
 						// Calculate total right answers available (defaults to 1)
1348 1348 
 						$total_right = 0;
1349 
-						if( $question_id ) {
1350 
-							$total_right = get_post_meta( $question_id, '_right_answer_count', true );
1349 
+						if ($question_id) {
1350 
+							$total_right = get_post_meta($question_id, '_right_answer_count', true);
1351 1351 
 						}
1352 
-						if( 0 == intval( $total_right ) ) {
1352 
+						if (0 == intval($total_right)) {
1353 1353 
 							$total_right = 1;
1354 1354 
 						}
1355 
-						for ( $i = 0; $i < $total_right; $i++ ) {
1356 
-							if ( !isset( $right_answers[ $i ] ) ) { $right_answers[ $i ] = ''; }
1357 
-							$right_answer_id = $this->get_answer_id( $right_answers[ $i ] );
1355 
+						for ($i = 0; $i < $total_right; $i++) {
1356 
+							if ( ! isset($right_answers[$i])) { $right_answers[$i] = ''; }
1357 
+							$right_answer_id = $this->get_answer_id($right_answers[$i]);
1358 1358 
 							// Right Answer
1359 
-							$right_answer = '<label class="answer" for="question_' . $question_counter . '_right_answer_' . $i . '"><span>' . __( 'Right:' , 'woothemes-sensei' ) . '</span> <input rel="' . esc_attr( $right_answer_id ) . '" type="text" id="question_' . $question_counter . '_right_answer_' . $i . '" name="question_right_answers[]" value="' . esc_attr( $right_answers[ $i ] ) . '" size="25" class="question_answer widefat" /> <a class="remove_answer_option"></a></label>';
1360 
-							if( $question_id ) {
1361 
-								$answers[ $right_answer_id ] = $right_answer;
1359 
+							$right_answer = '<label class="answer" for="question_'.$question_counter.'_right_answer_'.$i.'"><span>'.__('Right:', 'woothemes-sensei').'</span> <input rel="'.esc_attr($right_answer_id).'" type="text" id="question_'.$question_counter.'_right_answer_'.$i.'" name="question_right_answers[]" value="'.esc_attr($right_answers[$i]).'" size="25" class="question_answer widefat" /> <a class="remove_answer_option"></a></label>';
1360 
+							if ($question_id) {
1361 
+								$answers[$right_answer_id] = $right_answer;
1362 1362 
 							} else {
1363 1363 
 								$answers[] = $right_answer;
1364 1364 
 							}
 
@@ -1366,23 +1366,23 @@  discard block
 
 block discarded – undo
1366 1366
1367 1367 
 				    	// Calculate total wrong answers available (defaults to 4)
1368 1368 
 				    	$total_wrong = 0;
1369 
-				    	if( $question_id ) {
1370 
-				    		$total_wrong = get_post_meta( $question_id, '_wrong_answer_count', true );
1369 
+				    	if ($question_id) {
1370 
+				    		$total_wrong = get_post_meta($question_id, '_wrong_answer_count', true);
1371 1371 
 				    	}
1372 
-				    	if( 0 == intval( $total_wrong ) ) {
1372 
+				    	if (0 == intval($total_wrong)) {
1373 1373 
 				    		$total_wrong = 1;
1374 1374 
 				    	}
1375 1375
1376 1376 
                         // Setup Wrong Answer HTML
1377 
-                        foreach ( $wrong_answers as $i => $answer ){
1377 
+                        foreach ($wrong_answers as $i => $answer) {
1378 1378
1379 
-                            $answer_id = $this->get_answer_id( $answer );
1380 
-                            $wrong_answer = '<label class="answer" for="question_' . $question_counter . '_wrong_answer_' . $i . '"><span>' . __( 'Wrong:' , 'woothemes-sensei' ) ;
1381 
-                            $wrong_answer .= '</span> <input rel="' . esc_attr( $answer_id ) . '" type="text" id="question_' . $question_counter . '_wrong_answer_' . $i ;
1382 
-                            $wrong_answer .= '" name="question_wrong_answers[]" value="' . esc_attr( $answer ) . '" size="25" class="question_answer widefat" /> <a class="remove_answer_option"></a></label>';
1383 
-                            if( $question_id ) {
1379 
+                            $answer_id = $this->get_answer_id($answer);
1380 
+                            $wrong_answer = '<label class="answer" for="question_'.$question_counter.'_wrong_answer_'.$i.'"><span>'.__('Wrong:', 'woothemes-sensei');
1381 
+                            $wrong_answer .= '</span> <input rel="'.esc_attr($answer_id).'" type="text" id="question_'.$question_counter.'_wrong_answer_'.$i;
1382 
+                            $wrong_answer .= '" name="question_wrong_answers[]" value="'.esc_attr($answer).'" size="25" class="question_answer widefat" /> <a class="remove_answer_option"></a></label>';
1383 
+                            if ($question_id) {
1384 1384
1385 
-                                $answers[ $answer_id ] = $wrong_answer;
1385 
+                                $answers[$answer_id] = $wrong_answer;
1386 1386
1387 1387 
                             } else {
1388 1388 
 
@@ -1393,115 +1393,115 @@  discard block
 
 block discarded – undo
1393 1393 
                         } // end for each
1394 1394
1395 1395 
 				    	$answers_sorted = $answers;
1396 
-				    	if( $question_id && count( $answer_order ) > 0 ) {
1396 
+				    	if ($question_id && count($answer_order) > 0) {
1397 1397 
 				    		$answers_sorted = array();
1398 
-				    		foreach( $answer_order as $answer_id ) {
1399 
-				    			if( isset( $answers[ $answer_id ] ) ) {
1400 
-				    				$answers_sorted[ $answer_id ] = $answers[ $answer_id ];
1401 
-				    				unset( $answers[ $answer_id ] );
1398 
+				    		foreach ($answer_order as $answer_id) {
1399 
+				    			if (isset($answers[$answer_id])) {
1400 
+				    				$answers_sorted[$answer_id] = $answers[$answer_id];
1401 
+				    				unset($answers[$answer_id]);
1402 1402 
 				    			}
1403 1403 
 				    		}
1404 1404
1405 
-				    		if( count( $answers ) > 0 ) {
1406 
-						    	foreach( $answers as $id => $answer ) {
1407 
-						    		$answers_sorted[ $id ] = $answer;
1405 
+				    		if (count($answers) > 0) {
1406 
+						    	foreach ($answers as $id => $answer) {
1407 
+						    		$answers_sorted[$id] = $answer;
1408 1408 
 						    	}
1409 1409 
 						    }
1410 1410 
 				    	}
1411 1411
1412 
-						foreach( $answers_sorted as $id => $answer ) {
1412 
+						foreach ($answers_sorted as $id => $answer) {
1413 1413 
 				    		$html .= $answer;
1414 1414 
 				    	}
1415 1415
1416 
-				    	$html .= '<input type="hidden" class="answer_order" name="answer_order" value="' . $answer_order_string . '" />';
1417 
-				    	$html .= '<span class="hidden right_answer_count">' . $total_right . '</span>';
1418 
-				    	$html .= '<span class="hidden wrong_answer_count">' . $total_wrong . '</span>';
1416 
+				    	$html .= '<input type="hidden" class="answer_order" name="answer_order" value="'.$answer_order_string.'" />';
1417 
+				    	$html .= '<span class="hidden right_answer_count">'.$total_right.'</span>';
1418 
+				    	$html .= '<span class="hidden wrong_answer_count">'.$total_wrong.'</span>';
1419 1419
1420 1420 
 				    	$html .= '<div class="add_answer_options">';
1421 
-					    	$html .= '<a class="add_right_answer_option add_answer_option button" rel="' . $question_counter . '">' . __( 'Add right answer', 'woothemes-sensei' ) . '</a>';
1422 
-					    	$html .= '<a class="add_wrong_answer_option add_answer_option button" rel="' . $question_counter . '">' . __( 'Add wrong answer', 'woothemes-sensei' ) . '</a>';
1421 
+					    	$html .= '<a class="add_right_answer_option add_answer_option button" rel="'.$question_counter.'">'.__('Add right answer', 'woothemes-sensei').'</a>';
1422 
+					    	$html .= '<a class="add_wrong_answer_option add_answer_option button" rel="'.$question_counter.'">'.__('Add wrong answer', 'woothemes-sensei').'</a>';
1423 1423 
 				    	$html .= '</div>';
1424 1424
1425 
-                        $html .= $this->quiz_panel_question_feedback( $question_counter, $question_id , 'multiple-choice' );
1425 
+                        $html .= $this->quiz_panel_question_feedback($question_counter, $question_id, 'multiple-choice');
1426 1426
1427 1427 
 			    	$html .= '</div>';
1428 1428 
 				break;
1429 1429 
 				case 'boolean':
1430 
-					$html .= '<div class="question_boolean_fields ' . $question_class . '">';
1431 
-						if( $question_id ) {
1432 
-							$field_name = 'question_' . $question_id . '_right_answer_boolean';
1430 
+					$html .= '<div class="question_boolean_fields '.$question_class.'">';
1431 
+						if ($question_id) {
1432 
+							$field_name = 'question_'.$question_id.'_right_answer_boolean';
1433 1433 
 						} else {
1434 1434 
 							$field_name = 'question_right_answer_boolean';
1435 1435 
 							$right_answer = 'true';
1436 1436 
 						}
1437 
-						$html .= '<label for="question_' . $question_id . '_boolean_true"><input id="question_' . $question_id . '_boolean_true" type="radio" name="' . $field_name . '" value="true" '. checked( $right_answer, 'true', false ) . ' /> ' . __( 'True', 'woothemes-sensei' ) . '</label>';
1438 
-						$html .= '<label for="question_' . $question_id . '_boolean_false"><input id="question_' . $question_id . '_boolean_false" type="radio" name="' . $field_name . '" value="false" '. checked( $right_answer, 'false', false ) . ' /> ' . __( 'False', 'woothemes-sensei' ) . '</label>';
1437 
+						$html .= '<label for="question_'.$question_id.'_boolean_true"><input id="question_'.$question_id.'_boolean_true" type="radio" name="'.$field_name.'" value="true" '.checked($right_answer, 'true', false).' /> '.__('True', 'woothemes-sensei').'</label>';
1438 
+						$html .= '<label for="question_'.$question_id.'_boolean_false"><input id="question_'.$question_id.'_boolean_false" type="radio" name="'.$field_name.'" value="false" '.checked($right_answer, 'false', false).' /> '.__('False', 'woothemes-sensei').'</label>';
1439 1439
1440 
-                    $html .= $this->quiz_panel_question_feedback( $question_counter, $question_id, 'boolean' );
1440 
+                    $html .= $this->quiz_panel_question_feedback($question_counter, $question_id, 'boolean');
1441 1441
1442 1442 
 					$html .= '</div>';
1443 1443 
 				break;
1444 1444 
 				case 'gap-fill':
1445 
-					$gapfill_array = explode( '||', $right_answer );
1446 
-					if ( isset( $gapfill_array[0] ) ) { $gapfill_pre = $gapfill_array[0]; } else { $gapfill_pre = ''; }
1447 
-					if ( isset( $gapfill_array[1] ) ) { $gapfill_gap = $gapfill_array[1]; } else { $gapfill_gap = ''; }
1448 
-					if ( isset( $gapfill_array[2] ) ) { $gapfill_post = $gapfill_array[2]; } else { $gapfill_post = ''; }
1449 
-					$html .= '<div class="question_gapfill_fields ' . $question_class . '">';
1445 
+					$gapfill_array = explode('||', $right_answer);
1446 
+					if (isset($gapfill_array[0])) { $gapfill_pre = $gapfill_array[0]; } else { $gapfill_pre = ''; }
1447 
+					if (isset($gapfill_array[1])) { $gapfill_gap = $gapfill_array[1]; } else { $gapfill_gap = ''; }
1448 
+					if (isset($gapfill_array[2])) { $gapfill_post = $gapfill_array[2]; } else { $gapfill_post = ''; }
1449 
+					$html .= '<div class="question_gapfill_fields '.$question_class.'">';
1450 1450 
 						// Fill in the Gaps
1451 
-						$html .= '<label>' . __( 'Text before the Gap:' , 'woothemes-sensei' ) . '</label> ';
1452 
-						$html .= '<input type="text" id="question_' . $question_counter . '_add_question_right_answer_gapfill_pre" name="add_question_right_answer_gapfill_pre" value="' . $gapfill_pre . '" size="25" class="widefat gapfill-field" />';
1453 
-	  					$html .= '<label>' . __( 'The Gap:' , 'woothemes-sensei' ) . '</label> ';
1454 
-	  					$html .= '<input type="text" id="question_' . $question_counter . '_add_question_right_answer_gapfill_gap" name="add_question_right_answer_gapfill_gap" value="' . $gapfill_gap . '" size="25" class="widefat gapfill-field" />';
1455 
-	  					$html .= '<label>' . __( 'Text after the Gap:' , 'woothemes-sensei' ) . '</label> ';
1456 
-	  					$html .= '<input type="text" id="question_' . $question_counter . '_add_question_right_answer_gapfill_post" name="add_question_right_answer_gapfill_post" value="' . $gapfill_post . '" size="25" class="widefat gapfill-field" />';
1457 
-	  					$html .= '<label>' . __( 'Preview:' , 'woothemes-sensei' ) . '</label> ';
1458 
-	  					$html .= '<p class="gapfill-preview">' . $gapfill_pre . '&nbsp;<u>' . $gapfill_gap . '</u>&nbsp;' . $gapfill_post . '</p>';
1451 
+						$html .= '<label>'.__('Text before the Gap:', 'woothemes-sensei').'</label> ';
1452 
+						$html .= '<input type="text" id="question_'.$question_counter.'_add_question_right_answer_gapfill_pre" name="add_question_right_answer_gapfill_pre" value="'.$gapfill_pre.'" size="25" class="widefat gapfill-field" />';
1453 
+	  					$html .= '<label>'.__('The Gap:', 'woothemes-sensei').'</label> ';
1454 
+	  					$html .= '<input type="text" id="question_'.$question_counter.'_add_question_right_answer_gapfill_gap" name="add_question_right_answer_gapfill_gap" value="'.$gapfill_gap.'" size="25" class="widefat gapfill-field" />';
1455 
+	  					$html .= '<label>'.__('Text after the Gap:', 'woothemes-sensei').'</label> ';
1456 
+	  					$html .= '<input type="text" id="question_'.$question_counter.'_add_question_right_answer_gapfill_post" name="add_question_right_answer_gapfill_post" value="'.$gapfill_post.'" size="25" class="widefat gapfill-field" />';
1457 
+	  					$html .= '<label>'.__('Preview:', 'woothemes-sensei').'</label> ';
1458 
+	  					$html .= '<p class="gapfill-preview">'.$gapfill_pre.'&nbsp;<u>'.$gapfill_gap.'</u>&nbsp;'.$gapfill_post.'</p>';
1459 1459 
 	  				$html .= '</div>';
1460 1460 
 				break;
1461 1461 
 				case 'multi-line':
1462 
-					$html .= '<div class="question_multiline_fields ' . $question_class . '">';
1462 
+					$html .= '<div class="question_multiline_fields '.$question_class.'">';
1463 1463 
 						// Guides for grading
1464 
-						if( $question_counter ) {
1465 
-							$field_id = 'question_' . $question_counter . '_add_question_right_answer_multiline';
1464 
+						if ($question_counter) {
1465 
+							$field_id = 'question_'.$question_counter.'_add_question_right_answer_multiline';
1466 1466 
 						} else {
1467 1467 
 							$field_id = 'add_question_right_answer_multiline';
1468 1468 
 						}
1469 
-						$html .= '<label>' . __( 'Guide/Teacher Notes for grading the answer' , 'woothemes-sensei' ) . '</label> ';
1470 
-						$html .= '<textarea id="' . $field_id . '" name="add_question_right_answer_multiline" rows="4" cols="40" class="widefat">' . $right_answer . '</textarea>';
1469 
+						$html .= '<label>'.__('Guide/Teacher Notes for grading the answer', 'woothemes-sensei').'</label> ';
1470 
+						$html .= '<textarea id="'.$field_id.'" name="add_question_right_answer_multiline" rows="4" cols="40" class="widefat">'.$right_answer.'</textarea>';
1471 1471 
 					$html .= '</div>';
1472 1472 
 				break;
1473 1473 
 				case 'single-line':
1474 
-					$html .= '<div class="question_singleline_fields ' . $question_class . '">';
1474 
+					$html .= '<div class="question_singleline_fields '.$question_class.'">';
1475 1475 
 						// Recommended Answer
1476 
-						if( $question_counter ) {
1477 
-							$field_id = 'question_' . $question_counter . '_add_question_right_answer_singleline';
1476 
+						if ($question_counter) {
1477 
+							$field_id = 'question_'.$question_counter.'_add_question_right_answer_singleline';
1478 1478 
 						} else {
1479 1479 
 							$field_id = 'add_question_right_answer_singleline';
1480 1480 
 						}
1481 
-						$html .= '<label>' . __( 'Recommended Answer' , 'woothemes-sensei' ) . '</label> ';
1482 
-						$html .= '<input type="text" id="' . $field_id . '" name="add_question_right_answer_singleline" value="' . $right_answer . '" size="25" class="widefat" />';
1481 
+						$html .= '<label>'.__('Recommended Answer', 'woothemes-sensei').'</label> ';
1482 
+						$html .= '<input type="text" id="'.$field_id.'" name="add_question_right_answer_singleline" value="'.$right_answer.'" size="25" class="widefat" />';
1483 1483 
 					$html .= '</div>';
1484 1484 
 				break;
1485 1485 
 				case 'file-upload':
1486 
-					$html .= '<div class="question_fileupload_fields ' . $question_class . '">';
1487 
-						if( $question_counter ) {
1488 
-							$right_field_id = 'question_' . $question_counter . '_add_question_right_answer_fileupload';
1489 
-							$wrong_field_id = 'question_' . $question_counter . '_add_question_wrong_answer_fileupload';
1486 
+					$html .= '<div class="question_fileupload_fields '.$question_class.'">';
1487 
+						if ($question_counter) {
1488 
+							$right_field_id = 'question_'.$question_counter.'_add_question_right_answer_fileupload';
1489 
+							$wrong_field_id = 'question_'.$question_counter.'_add_question_wrong_answer_fileupload';
1490 1490 
 						} else {
1491 1491 
 							$right_field_id = 'add_question_right_answer_fileupload';
1492 1492 
 							$wrong_field_id = 'add_question_wrong_answer_fileupload';
1493 1493 
 						}
1494 1494
1495 1495 
 						$wrong_answer = '';
1496 
-						if( isset( $wrong_answers[0] ) ) {
1496 
+						if (isset($wrong_answers[0])) {
1497 1497 
 							$wrong_answer = $wrong_answers[0];
1498 1498 
 						}
1499 
-						$html .= '<label>' . __( 'Description for student explaining what needs to be uploaded' , 'woothemes-sensei' ) . '</label> ';
1500 
-						$html .= '<textarea id="' . $wrong_field_id . '" name="add_question_wrong_answer_fileupload" rows="4" cols="40" class="widefat">' . $wrong_answer . '</textarea>';
1499 
+						$html .= '<label>'.__('Description for student explaining what needs to be uploaded', 'woothemes-sensei').'</label> ';
1500 
+						$html .= '<textarea id="'.$wrong_field_id.'" name="add_question_wrong_answer_fileupload" rows="4" cols="40" class="widefat">'.$wrong_answer.'</textarea>';
1501 1501
1502 1502 
 						// Guides for grading
1503 
-						$html .= '<label>' . __( 'Guide/Teacher Notes for grading the upload' , 'woothemes-sensei' ) . '</label> ';
1504 
-						$html .= '<textarea id="' . $right_field_id . '" name="add_question_right_answer_fileupload" rows="4" cols="40" class="widefat">' . $right_answer . '</textarea>';
1503 
+						$html .= '<label>'.__('Guide/Teacher Notes for grading the upload', 'woothemes-sensei').'</label> ';
1504 
+						$html .= '<textarea id="'.$right_field_id.'" name="add_question_right_answer_fileupload" rows="4" cols="40" class="widefat">'.$right_answer.'</textarea>';
1505 1505 
 					$html .= '</div>';
1506 1506 
 				break;
1507 1507 
 			}
 
@@ -1510,32 +1510,32 @@  discard block
 
 block discarded – undo
1510 1510 
 		return $html;
1511 1511 
 	}
1512 1512
1513 
-	public function quiz_panel_question_feedback( $question_counter = 0, $question_id = 0, $question_type = '' ) {
1513 
+	public function quiz_panel_question_feedback($question_counter = 0, $question_id = 0, $question_type = '') {
1514 1514
1515 1515 
         // default field name
1516 1516 
         $field_name = 'answer_feedback';
1517 
-        if( 'boolean' == $question_type ){
1517 
+        if ('boolean' == $question_type) {
1518 1518
1519 1519 
             $field_name = 'answer_feedback_boolean';
1520 1520
1521 
-        }elseif( 'multiple-choice' == $question_type ){
1521 
+        }elseif ('multiple-choice' == $question_type) {
1522 1522
1523 1523 
             $field_name = 'answer_feedback_multiple_choice';
1524 1524
1525 1525 
         }// end if
1526 1526
1527 
-		if( $question_counter ) {
1528 
-			$field_name = 'answer_' . $question_counter . '_feedback';
1527 
+		if ($question_counter) {
1528 
+			$field_name = 'answer_'.$question_counter.'_feedback';
1529 1529 
 		}
1530 1530
1531 1531 
 		$feedback = '';
1532 
-		if( $question_id ) {
1533 
-			$feedback = get_post_meta( $question_id, '_answer_feedback', true );
1532 
+		if ($question_id) {
1533 
+			$feedback = get_post_meta($question_id, '_answer_feedback', true);
1534 1534 
 		}
1535 1535
1536 
-		$html = '<p title="' . __( 'This feedback will be automatically displayed to the student once they have completed the quiz.', 'woothemes-sensei' ) . '">';
1537 
-		$html .= '<label for="' . $field_name . '">' . __( 'Answer Feedback' , 'woothemes-sensei' ) . ':</label>';
1538 
-		$html .= '<textarea id="' . $field_name . '" name="' . $field_name . '" rows="4" cols="40" class="answer_feedback widefat">' . $feedback . '</textarea>';
1536 
+		$html = '<p title="'.__('This feedback will be automatically displayed to the student once they have completed the quiz.', 'woothemes-sensei').'">';
1537 
+		$html .= '<label for="'.$field_name.'">'.__('Answer Feedback', 'woothemes-sensei').':</label>';
1538 
+		$html .= '<textarea id="'.$field_name.'" name="'.$field_name.'" rows="4" cols="40" class="answer_feedback widefat">'.$feedback.'</textarea>';
1539 1539 
 		$html .= '</p>';
1540 1540
1541 1541 
 		return $html;
 
@@ -1544,19 +1544,19 @@  discard block
 
 block discarded – undo
1544 1544 
 	public function question_get_answer_id() {
1545 1545 
 		$data = $_POST['data'];
1546 1546 
 		$answer_data = array();
1547 
-		parse_str( $data, $answer_data );
1547 
+		parse_str($data, $answer_data);
1548 1548 
 		$answer = $answer_data['answer_value'];
1549 
-		$answer_id = $this->get_answer_id( $answer );
1549 
+		$answer_id = $this->get_answer_id($answer);
1550 1550 
 		echo $answer_id;
1551 1551 
 		die();
1552 1552 
 	}
1553 1553
1554 
-	public function get_answer_id( $answer = '' ) {
1554 
+	public function get_answer_id($answer = '') {
1555 1555
1556 1556 
 		$answer_id = '';
1557 1557
1558 
-		if( $answer ) {
1559 
-			$answer_id = md5( $answer );
1558 
+		if ($answer) {
1559 
+			$answer_id = md5($answer);
1560 1560 
 		}
1561 1561
1562 1562 
 		return $answer_id;
 
@@ -1569,17 +1569,17 @@  discard block
 
 block discarded – undo
1569 1569 
 	 * @access public
1570 1570 
 	 * @return void
1571 1571 
 	 */
1572 
-	public function lesson_quiz_meta_box_content () {
1572 
+	public function lesson_quiz_meta_box_content() {
1573 1573 
 		global $post;
1574 1574
1575 1575 
 		// Get quiz panel
1576 1576 
 		$quiz_id = 0;
1577 1577 
 		$quizzes = array();
1578 
-		if ( 0 < $post->ID ) {
1579 
-			$quiz_id = $this->lesson_quizzes( $post->ID, 'any' );
1578 
+		if (0 < $post->ID) {
1579 
+			$quiz_id = $this->lesson_quizzes($post->ID, 'any');
1580 1580 
 		}
1581 1581
1582 
-		echo $this->quiz_panel( $quiz_id );
1582 
+		echo $this->quiz_panel($quiz_id);
1583 1583
1584 1584 
 	} // End lesson_quiz_meta_box_content()
1585 1585 
 
@@ -1596,53 +1596,53 @@  discard block
 
 block discarded – undo
1596 1596 
 		$quiz_id = 0;
1597 1597 
 		$lesson_id = $post->ID;
1598 1598 
 		$quizzes = array();
1599 
-		if ( 0 < $lesson_id ) {
1600 
-			$quiz_id = $this->lesson_quizzes( $lesson_id, 'any' );
1599 
+		if (0 < $lesson_id) {
1600 
+			$quiz_id = $this->lesson_quizzes($lesson_id, 'any');
1601 1601 
 		}
1602 1602
1603 
-		if( $quiz_id ) {
1604 
-			$html .= $this->quiz_settings_panel( $lesson_id, $quiz_id );
1603 
+		if ($quiz_id) {
1604 
+			$html .= $this->quiz_settings_panel($lesson_id, $quiz_id);
1605 1605 
 		} else {
1606 
-			$html .= '<p><em>' . __( 'There is no quiz for this lesson yet - please add one in the \'Quiz Questions\' box.', 'woothemes-sensei' ) . '</em></p>';
1606 
+			$html .= '<p><em>'.__('There is no quiz for this lesson yet - please add one in the \'Quiz Questions\' box.', 'woothemes-sensei').'</em></p>';
1607 1607 
 		}
1608 1608
1609 1609 
 		echo $html;
1610 1610 
 	}
1611 1611
1612 
-	public function quiz_settings_panel( $lesson_id = 0, $quiz_id = 0 ) {
1612 
+	public function quiz_settings_panel($lesson_id = 0, $quiz_id = 0) {
1613 1613
1614 1614
1615 1615 
 		$html = '';
1616 1616
1617 
-		if( ! $lesson_id && ! $quiz_id ) return $html;
1617 
+		if ( ! $lesson_id && ! $quiz_id) return $html;
1618 1618
1619 
-		$settings = $this->get_quiz_settings( $quiz_id );
1619 
+		$settings = $this->get_quiz_settings($quiz_id);
1620 1620
1621 
-		$html = Sensei()->admin->render_settings( $settings, $quiz_id, 'quiz-settings' );
1621 
+		$html = Sensei()->admin->render_settings($settings, $quiz_id, 'quiz-settings');
1622 1622
1623 1623 
 		return $html;
1624 1624
1625 1625 
 	}
1626 1626
1627 
-	public function get_quiz_settings( $quiz_id = 0 ) {
1627 
+	public function get_quiz_settings($quiz_id = 0) {
1628 1628
1629 1629 
 		$disable_passmark = '';
1630 
-		$pass_required = get_post_meta( $quiz_id, '_pass_required', true );
1631 
-		if( ! $pass_required ) {
1630 
+		$pass_required = get_post_meta($quiz_id, '_pass_required', true);
1631 
+		if ( ! $pass_required) {
1632 1632 
 			$disable_passmark = 'hidden';
1633 1633 
 		}
1634 1634
1635 1635 
 		// Setup Questions Query
1636 1636 
 		$questions = array();
1637 
-		if ( 0 < $quiz_id ) {
1638 
-			$questions = $this->lesson_quiz_questions( $quiz_id );
1637 
+		if (0 < $quiz_id) {
1638 
+			$questions = $this->lesson_quiz_questions($quiz_id);
1639 1639 
 		}
1640 1640
1641 1641 
 		// Count questions
1642 1642 
 		$question_count = 0;
1643 
-		foreach( $questions as $question ) {
1644 
-			if( $question->post_type == 'multiple_question' ) {
1645 
-				$question_number = get_post_meta( $question->ID, 'number', true );
1643 
+		foreach ($questions as $question) {
1644 
+			if ($question->post_type == 'multiple_question') {
1645 
+				$question_number = get_post_meta($question->ID, 'number', true);
1646 1646 
 				$question_count += $question_number;
1647 1647 
 			} else {
1648 1648 
 				++$question_count;
 
@@ -1652,15 +1652,15 @@  discard block
 
 block discarded – undo
1652 1652 
 		$settings = array(
1653 1653 
 			array(
1654 1654 
 				'id' 			=> 'pass_required',
1655 
-				'label'			=> __( 'Pass required to complete lesson', 'woothemes-sensei' ),
1656 
-				'description'	=> __( 'The passmark must be achieved before the lesson is complete.', 'woothemes-sensei' ),
1655 
+				'label'			=> __('Pass required to complete lesson', 'woothemes-sensei'),
1656 
+				'description'	=> __('The passmark must be achieved before the lesson is complete.', 'woothemes-sensei'),
1657 1657 
 				'type'			=> 'checkbox',
1658 1658 
 				'default'		=> '',
1659 1659 
 				'checked'		=> 'on',
1660 1660 
 			),
1661 1661 
 			array(
1662 1662 
 				'id' 			=> 'quiz_passmark',
1663 
-				'label'			=> __( 'Quiz passmark percentage', 'woothemes-sensei' ),
1663 
+				'label'			=> __('Quiz passmark percentage', 'woothemes-sensei'),
1664 1664 
 				'description'	=> '',
1665 1665 
 				'type'			=> 'number',
1666 1666 
 				'default'		=> 0,
 
@@ -1671,17 +1671,17 @@  discard block
 
 block discarded – undo
1671 1671 
 			),
1672 1672 
 			array(
1673 1673 
 				'id' 			=> 'show_questions',
1674 
-				'label'			=> __( 'Number of questions to show', 'woothemes-sensei' ),
1675 
-				'description'	=> __( 'Show a random selection of questions from this quiz each time a student views it.', 'woothemes-sensei' ),
1674 
+				'label'			=> __('Number of questions to show', 'woothemes-sensei'),
1675 
+				'description'	=> __('Show a random selection of questions from this quiz each time a student views it.', 'woothemes-sensei'),
1676 1676 
 				'type'			=> 'number',
1677 1677 
 				'default'		=> '',
1678 
-				'placeholder'	=> __( 'All', 'woothemes-sensei' ),
1678 
+				'placeholder'	=> __('All', 'woothemes-sensei'),
1679 1679 
 				'min'			=> 1,
1680 1680 
 				'max'			=> $question_count,
1681 1681 
 			),
1682 1682 
 			array(
1683 1683 
 				'id' 			=> 'random_question_order',
1684 
-				'label'			=> __( 'Randomise question order', 'woothemes-sensei' ),
1684 
+				'label'			=> __('Randomise question order', 'woothemes-sensei'),
1685 1685 
 				'description'	=> '',
1686 1686 
 				'type'			=> 'checkbox',
1687 1687 
 				'default'		=> 'no',
 
@@ -1689,23 +1689,23 @@  discard block
 
 block discarded – undo
1689 1689 
 			),
1690 1690 
 			array(
1691 1691 
 				'id' 			=> 'quiz_grade_type',
1692 
-				'label'			=> __( 'Grade quiz automatically', 'woothemes-sensei' ),
1693 
-				'description'	=> __( 'Grades quiz and displays answer explanation immediately after completion. Only applicable if quiz is limited to Multiple Choice, True/False and Gap Fill questions. Questions that have a grade of zero are skipped during autograding.', 'woothemes-sensei' ),
1692 
+				'label'			=> __('Grade quiz automatically', 'woothemes-sensei'),
1693 
+				'description'	=> __('Grades quiz and displays answer explanation immediately after completion. Only applicable if quiz is limited to Multiple Choice, True/False and Gap Fill questions. Questions that have a grade of zero are skipped during autograding.', 'woothemes-sensei'),
1694 1694 
 				'type'			=> 'checkbox',
1695 1695 
 				'default'		=> 'auto',
1696 1696 
 				'checked'		=> 'auto',
1697 1697 
 			),
1698 1698 
 			array(
1699 1699 
 				'id' 			=> 'enable_quiz_reset',
1700 
-				'label'			=> __( 'Allow user to retake the quiz', 'woothemes-sensei' ),
1701 
-				'description'	=> __( 'Enables the quiz reset button.', 'woothemes-sensei' ),
1700 
+				'label'			=> __('Allow user to retake the quiz', 'woothemes-sensei'),
1701 
+				'description'	=> __('Enables the quiz reset button.', 'woothemes-sensei'),
1702 1702 
 				'type'			=> 'checkbox',
1703 1703 
 				'default'		=> '',
1704 1704 
 				'checked'		=> 'on',
1705 1705 
 			),
1706 1706 
 		);
1707 1707
1708 
-		return apply_filters( 'sensei_quiz_settings', $settings );
1708 
+		return apply_filters('sensei_quiz_settings', $settings);
1709 1709 
 	}
1710 1710
1711 1711 
 	/**
 
@@ -1714,38 +1714,38 @@  discard block
 
 block discarded – undo
1714 1714 
 	 * @access public
1715 1715 
 	 * @return void
1716 1716 
 	 */
1717 
-	public function enqueue_scripts( $hook ) {
1717 
+	public function enqueue_scripts($hook) {
1718 1718 
 		global  $post_type;
1719 1719
1720 
-		$allowed_post_types = apply_filters( 'sensei_scripts_allowed_post_types', array( 'lesson', 'course', 'question' ) );
1721 
-		$allowed_post_type_pages = apply_filters( 'sensei_scripts_allowed_post_type_pages', array( 'edit.php', 'post-new.php', 'post.php', 'edit-tags.php' ) );
1722 
-		$allowed_pages = apply_filters( 'sensei_scripts_allowed_pages', array( 'sensei_grading', 'sensei_analysis', 'sensei_learners', 'sensei_updates', 'woothemes-sensei-settings', 'lesson-order' ) );
1720 
+		$allowed_post_types = apply_filters('sensei_scripts_allowed_post_types', array('lesson', 'course', 'question'));
1721 
+		$allowed_post_type_pages = apply_filters('sensei_scripts_allowed_post_type_pages', array('edit.php', 'post-new.php', 'post.php', 'edit-tags.php'));
1722 
+		$allowed_pages = apply_filters('sensei_scripts_allowed_pages', array('sensei_grading', 'sensei_analysis', 'sensei_learners', 'sensei_updates', 'woothemes-sensei-settings', 'lesson-order'));
1723 1723
1724 1724 
 		// Test for Write Panel Pages
1725 
-		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'], $allowed_pages ) ) ) {
1725 
+		if (((isset($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))) {
1726 1726
1727 
-			$suffix = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
1727 
+			$suffix = defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ? '' : '.min';
1728 1728
1729 1729 
 			// Load the lessons script
1730 1730 
             wp_enqueue_media();
1731 
-			wp_enqueue_script( 'sensei-lesson-metadata', Sensei()->plugin_url . 'assets/js/lesson-metadata' . $suffix . '.js', array( 'jquery', 'sensei-core-select2' ,'jquery-ui-sortable' ), Sensei()->version, true );
1732 
-			wp_enqueue_script( 'sensei-lesson-chosen', Sensei()->plugin_url . 'assets/chosen/chosen.jquery' . $suffix . '.js', array( 'jquery' ), Sensei()->version, true );
1733 
-			wp_enqueue_script( 'sensei-chosen-ajax', Sensei()->plugin_url . 'assets/chosen/ajax-chosen.jquery' . $suffix . '.js', array( 'jquery', 'sensei-lesson-chosen' ), Sensei()->version, true );
1731 
+			wp_enqueue_script('sensei-lesson-metadata', Sensei()->plugin_url.'assets/js/lesson-metadata'.$suffix.'.js', array('jquery', 'sensei-core-select2', 'jquery-ui-sortable'), Sensei()->version, true);
1732 
+			wp_enqueue_script('sensei-lesson-chosen', Sensei()->plugin_url.'assets/chosen/chosen.jquery'.$suffix.'.js', array('jquery'), Sensei()->version, true);
1733 
+			wp_enqueue_script('sensei-chosen-ajax', Sensei()->plugin_url.'assets/chosen/ajax-chosen.jquery'.$suffix.'.js', array('jquery', 'sensei-lesson-chosen'), Sensei()->version, true);
1734 1734
1735 1735 
             // Load the bulk edit screen script
1736 
-            if( 'edit.php' == $hook && 'lesson'==$_GET['post_type'] ) {
1737 
-                wp_enqueue_script( 'sensei-lessons-bulk-edit', Sensei()->plugin_url . 'assets/js/admin/lesson-bulk-edit' . $suffix . '.js', array( 'jquery' ), Sensei()->version , true);
1736 
+            if ('edit.php' == $hook && 'lesson' == $_GET['post_type']) {
1737 
+                wp_enqueue_script('sensei-lessons-bulk-edit', Sensei()->plugin_url.'assets/js/admin/lesson-bulk-edit'.$suffix.'.js', array('jquery'), Sensei()->version, true);
1738 1738 
             }
1739 1739
1740 1740 
 			// Localise script
1741 
-			$translation_strings = array( 'right_colon' => __( 'Right:', 'woothemes-sensei' ), 'wrong_colon' => __( 'Wrong:', 'woothemes-sensei' ), 'add_file' => __( 'Add file', 'woothemes-sensei' ), 'change_file' => __( 'Change file', 'woothemes-sensei' ), 'confirm_remove' => __( 'Are you sure you want to remove this question?', 'woothemes-sensei' ), 'confirm_remove_multiple' => __( 'Are you sure you want to remove these questions?', 'woothemes-sensei' ), 'too_many_for_cat' => __( 'You have selected more questions than this category contains - please reduce the number of questions that you are adding.', 'woothemes-sensei' ) );
1742 
-			$ajax_vars = array( 'lesson_update_question_nonce' => wp_create_nonce( 'lesson_update_question_nonce' ), 'lesson_add_course_nonce' => wp_create_nonce( 'lesson_add_course_nonce' ), 'lesson_update_grade_type_nonce' => wp_create_nonce( 'lesson_update_grade_type_nonce' ), 'lesson_update_question_order_nonce' => wp_create_nonce( 'lesson_update_question_order_nonce' ), 'lesson_update_question_order_random_nonce' => wp_create_nonce( 'lesson_update_question_order_random_nonce' ), 'lesson_add_multiple_questions_nonce' => wp_create_nonce( 'lesson_add_multiple_questions_nonce' ), 'lesson_remove_multiple_questions_nonce' => wp_create_nonce( 'lesson_remove_multiple_questions_nonce' ), 'lesson_add_existing_questions_nonce' => wp_create_nonce( 'lesson_add_existing_questions_nonce' ), 'filter_existing_questions_nonce' => wp_create_nonce( 'filter_existing_questions_nonce' ) );
1743 
-			$data = array_merge( $translation_strings, $ajax_vars );
1744 
-			wp_localize_script( 'sensei-lesson-metadata', 'woo_localized_data', $data );
1741 
+			$translation_strings = array('right_colon' => __('Right:', 'woothemes-sensei'), 'wrong_colon' => __('Wrong:', 'woothemes-sensei'), 'add_file' => __('Add file', 'woothemes-sensei'), 'change_file' => __('Change file', 'woothemes-sensei'), 'confirm_remove' => __('Are you sure you want to remove this question?', 'woothemes-sensei'), 'confirm_remove_multiple' => __('Are you sure you want to remove these questions?', 'woothemes-sensei'), 'too_many_for_cat' => __('You have selected more questions than this category contains - please reduce the number of questions that you are adding.', 'woothemes-sensei'));
1742 
+			$ajax_vars = array('lesson_update_question_nonce' => wp_create_nonce('lesson_update_question_nonce'), 'lesson_add_course_nonce' => wp_create_nonce('lesson_add_course_nonce'), 'lesson_update_grade_type_nonce' => wp_create_nonce('lesson_update_grade_type_nonce'), 'lesson_update_question_order_nonce' => wp_create_nonce('lesson_update_question_order_nonce'), 'lesson_update_question_order_random_nonce' => wp_create_nonce('lesson_update_question_order_random_nonce'), 'lesson_add_multiple_questions_nonce' => wp_create_nonce('lesson_add_multiple_questions_nonce'), 'lesson_remove_multiple_questions_nonce' => wp_create_nonce('lesson_remove_multiple_questions_nonce'), 'lesson_add_existing_questions_nonce' => wp_create_nonce('lesson_add_existing_questions_nonce'), 'filter_existing_questions_nonce' => wp_create_nonce('filter_existing_questions_nonce'));
1743 
+			$data = array_merge($translation_strings, $ajax_vars);
1744 
+			wp_localize_script('sensei-lesson-metadata', 'woo_localized_data', $data);
1745 1745
1746 1746 
 			// Chosen RTL
1747 
-			if ( is_rtl() ) {
1748 
-				wp_enqueue_script( 'sensei-chosen-rtl', Sensei()->plugin_url . 'assets/chosen/chosen-rtl' . $suffix . '.js', array( 'jquery' ), Sensei()->version, true );
1747 
+			if (is_rtl()) {
1748 
+				wp_enqueue_script('sensei-chosen-rtl', Sensei()->plugin_url.'assets/chosen/chosen-rtl'.$suffix.'.js', array('jquery'), Sensei()->version, true);
1749 1749 
 			}
1750 1750
1751 1751 
 		}
 
@@ -1759,16 +1759,16 @@  discard block
 
 block discarded – undo
1759 1759 
 	 * @since  1.4.0
1760 1760 
 	 * @return void
1761 1761 
 	 */
1762 
-	public function enqueue_styles ( $hook ) {
1762 
+	public function enqueue_styles($hook) {
1763 1763 
 		global  $post_type;
1764 1764
1765 
-		$allowed_post_types = apply_filters( 'sensei_scripts_allowed_post_types', array( 'lesson', 'course', 'question', 'sensei_message' ) );
1766 
-		$allowed_post_type_pages = apply_filters( 'sensei_scripts_allowed_post_type_pages', array( 'edit.php', 'post-new.php', 'post.php', 'edit-tags.php' ) );
1767 
-		$allowed_pages = apply_filters( 'sensei_scripts_allowed_pages', array( 'sensei_grading', 'sensei_analysis', 'sensei_learners', 'sensei_updates', 'woothemes-sensei-settings' ) );
1765 
+		$allowed_post_types = apply_filters('sensei_scripts_allowed_post_types', array('lesson', 'course', 'question', 'sensei_message'));
1766 
+		$allowed_post_type_pages = apply_filters('sensei_scripts_allowed_post_type_pages', array('edit.php', 'post-new.php', 'post.php', 'edit-tags.php'));
1767 
+		$allowed_pages = apply_filters('sensei_scripts_allowed_pages', array('sensei_grading', 'sensei_analysis', 'sensei_learners', 'sensei_updates', 'woothemes-sensei-settings'));
1768 1768
1769 1769 
 		// Test for Write Panel Pages
1770 
-		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'], $allowed_pages ) ) ) {
1771 
-			wp_enqueue_style( 'woothemes-sensei-settings-api', esc_url( Sensei()->plugin_url . 'assets/css/settings.css' ), '', Sensei()->version );
1770 
+		if (((isset($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))) {
1771 
+			wp_enqueue_style('woothemes-sensei-settings-api', esc_url(Sensei()->plugin_url.'assets/css/settings.css'), '', Sensei()->version);
1772 1772 
 		}
1773 1773
1774 1774 
 	} // End enqueue_styles()
 
@@ -1780,12 +1780,12 @@  discard block
 
 block discarded – undo
1780 1780 
 	 * @param  array $defaults
1781 1781 
 	 * @return array $new_columns
1782 1782 
 	 */
1783 
-	public function add_column_headings ( $defaults ) {
1783 
+	public function add_column_headings($defaults) {
1784 1784 
 		$new_columns['cb'] = '<input type="checkbox" />';
1785 
-		$new_columns['title'] = _x( 'Lesson Title', 'column name', 'woothemes-sensei' );
1786 
-		$new_columns['lesson-course'] = _x( 'Course', 'column name', 'woothemes-sensei' );
1787 
-		$new_columns['lesson-prerequisite'] = _x( 'Pre-requisite Lesson', 'column name', 'woothemes-sensei' );
1788 
-		if ( isset( $defaults['date'] ) ) {
1785 
+		$new_columns['title'] = _x('Lesson Title', 'column name', 'woothemes-sensei');
1786 
+		$new_columns['lesson-course'] = _x('Course', 'column name', 'woothemes-sensei');
1787 
+		$new_columns['lesson-prerequisite'] = _x('Pre-requisite Lesson', 'column name', 'woothemes-sensei');
1788 
+		if (isset($defaults['date'])) {
1789 1789 
 			$new_columns['date'] = $defaults['date'];
1790 1790 
 		}
1791 1791 
 		return $new_columns;
 
@@ -1799,23 +1799,23 @@  discard block
 
 block discarded – undo
1799 1799 
 	 * @param  int $id
1800 1800 
 	 * @return void
1801 1801 
 	 */
1802 
-	public function add_column_data ( $column_name, $id ) {
1802 
+	public function add_column_data($column_name, $id) {
1803 1803 
 		global $wpdb, $post;
1804 1804
1805 
-		switch ( $column_name ) {
1805 
+		switch ($column_name) {
1806 1806 
 			case 'id':
1807 1807 
 				echo $id;
1808 1808 
 			break;
1809 1809 
 			case 'lesson-course':
1810 
-				$lesson_course_id = get_post_meta( $id, '_lesson_course', true);
1811 
-				if ( 0 < absint( $lesson_course_id ) ) {
1812 
-					echo '<a href="' . esc_url( get_edit_post_link( absint( $lesson_course_id ) ) ) . '" title="' . esc_attr( sprintf( __( 'Edit %s', 'woothemes-sensei' ), get_the_title( absint( $lesson_course_id ) ) ) ) . '">' . get_the_title( absint( $lesson_course_id ) ) . '</a>';
1810 
+				$lesson_course_id = get_post_meta($id, '_lesson_course', true);
1811 
+				if (0 < absint($lesson_course_id)) {
1812 
+					echo '<a href="'.esc_url(get_edit_post_link(absint($lesson_course_id))).'" title="'.esc_attr(sprintf(__('Edit %s', 'woothemes-sensei'), get_the_title(absint($lesson_course_id)))).'">'.get_the_title(absint($lesson_course_id)).'</a>';
1813 1813 
 				} // End If Statement
1814 1814 
 			break;
1815 1815 
 			case 'lesson-prerequisite':
1816 
-				$lesson_prerequisite_id = get_post_meta( $id, '_lesson_prerequisite', true);
1817 
-				if ( 0 < absint( $lesson_prerequisite_id ) ) {
1818 
-					echo '<a href="' . esc_url( get_edit_post_link( absint( $lesson_prerequisite_id ) ) ) . '" title="' . esc_attr( sprintf( __( 'Edit %s', 'woothemes-sensei' ), get_the_title( absint( $lesson_prerequisite_id ) ) ) ) . '">' . get_the_title( absint( $lesson_prerequisite_id ) ) . '</a>';
1816 
+				$lesson_prerequisite_id = get_post_meta($id, '_lesson_prerequisite', true);
1817 
+				if (0 < absint($lesson_prerequisite_id)) {
1818 
+					echo '<a href="'.esc_url(get_edit_post_link(absint($lesson_prerequisite_id))).'" title="'.esc_attr(sprintf(__('Edit %s', 'woothemes-sensei'), get_the_title(absint($lesson_prerequisite_id)))).'">'.get_the_title(absint($lesson_prerequisite_id)).'</a>';
1819 1819 
 				} // End If Statement
1820 1820 
 			break;
1821 1821 
 			default:
 
@@ -1829,14 +1829,14 @@  discard block
 
 block discarded – undo
1829 1829 
 	 * @access public
1830 1830 
 	 * @return void
1831 1831 
 	 */
1832 
-	public function lesson_add_course () {
1832 
+	public function lesson_add_course() {
1833 1833 
 		global $current_user;
1834 1834 
 		//Add nonce security to the request
1835 
-		if ( isset($_POST['lesson_add_course_nonce']) ) {
1836 
-			$nonce = esc_html( $_POST['lesson_add_course_nonce'] );
1835 
+		if (isset($_POST['lesson_add_course_nonce'])) {
1836 
+			$nonce = esc_html($_POST['lesson_add_course_nonce']);
1837 1837 
 		} // End If Statement
1838 
-		if ( ! wp_verify_nonce( $nonce, 'lesson_add_course_nonce' )
1839 
-            || ! current_user_can( 'edit_lessons' ) ) {
1838 
+		if ( ! wp_verify_nonce($nonce, 'lesson_add_course_nonce')
1839 
+            || ! current_user_can('edit_lessons')) {
1840 1840 
 			die('');
1841 1841 
 		} // End If Statement
1842 1842 
 		// Parse POST data
 
@@ -1858,14 +1858,14 @@  discard block
 
 block discarded – undo
1858 1858 
 	 * @access public
1859 1859 
 	 * @return void
1860 1860 
 	 */
1861 
-	public function lesson_update_question () {
1861 
+	public function lesson_update_question() {
1862 1862 
 		global $current_user;
1863 1863 
 		//Add nonce security to the request
1864 
-		if ( isset($_POST['lesson_update_question_nonce']) ) {
1865 
-			$nonce = esc_html( $_POST['lesson_update_question_nonce'] );
1864 
+		if (isset($_POST['lesson_update_question_nonce'])) {
1865 
+			$nonce = esc_html($_POST['lesson_update_question_nonce']);
1866 1866 
 		} // End If Statement
1867 
-		if ( ! wp_verify_nonce( $nonce, 'lesson_update_question_nonce' )
1868 
-            ||  ! current_user_can( 'edit_questions' )) {
1867 
+		if ( ! wp_verify_nonce($nonce, 'lesson_update_question_nonce')
1868 
+            ||  ! current_user_can('edit_questions')) {
1869 1869
1870 1870 
 			die('');
1871 1871 
 
@@ -1875,30 +1875,30 @@  discard block
 
 block discarded – undo
1875 1875 
 		// WP slashes all incoming data regardless of Magic Quotes setting (see wp_magic_quotes()), which means that
1876 1876 
 		// even the $_POST['data'] encoded with encodeURIComponent has it's apostrophes slashed.
1877 1877 
 		// So first restore the original unslashed apostrophes by removing those slashes
1878 
-		$data = wp_unslash( $_POST['data'] );
1878 
+		$data = wp_unslash($_POST['data']);
1879 1879 
 		// Then parse the string to an array (note that parse_str automatically urldecodes all the variables)
1880 1880 
 		$question_data = array();
1881 1881 
 		parse_str($data, $question_data);
1882 1882 
 		// Finally re-slash all elements to ensure consistancy for lesson_save_question()
1883 
-		$question_data = wp_slash( $question_data );
1883 
+		$question_data = wp_slash($question_data);
1884 1884 
 		// Save the question
1885 1885 
 		$return = false;
1886 1886 
 		// Question Save and Delete logic
1887 
-		if ( isset( $question_data['action'] ) && ( $question_data['action'] == 'delete' ) ) {
1887 
+		if (isset($question_data['action']) && ($question_data['action'] == 'delete')) {
1888 1888 
 			// Delete the Question
1889 1889 
 			$return = $this->lesson_delete_question($question_data);
1890 1890 
 		} else {
1891 1891 
 			// Save the Question
1892 
-			if ( isset( $question_data['quiz_id'] ) && ( 0 < absint( $question_data['quiz_id'] ) ) ) {
1892 
+			if (isset($question_data['quiz_id']) && (0 < absint($question_data['quiz_id']))) {
1893 1893 
 				$current_user = wp_get_current_user();
1894 1894 
 				$question_data['post_author'] = $current_user->ID;
1895 
-				$question_id = $this->lesson_save_question( $question_data );
1896 
-				$question_type = Sensei()->question->get_question_type( $question_id );
1895 
+				$question_id = $this->lesson_save_question($question_data);
1896 
+				$question_type = Sensei()->question->get_question_type($question_id);
1897 1897
1898 
-				$question_count = intval( $question_data['question_count'] );
1898 
+				$question_count = intval($question_data['question_count']);
1899 1899 
 				++$question_count;
1900 1900
1901 
-				$return = $this->quiz_panel_question( $question_type, $question_count, $question_id );
1901 
+				$return = $this->quiz_panel_question($question_type, $question_count, $question_id);
1902 1902 
 			} // End If Statement
1903 1903 
 		} // End If Statement
1904 1904 
 
@@ -1913,49 +1913,49 @@  discard block
 
 block discarded – undo
1913 1913
1914 1914 
 		//Add nonce security to the request
1915 1915 
 		$nonce = '';
1916 
-		if( isset( $_POST['lesson_add_multiple_questions_nonce'] ) ) {
1917 
-			$nonce = esc_html( $_POST['lesson_add_multiple_questions_nonce'] );
1916 
+		if (isset($_POST['lesson_add_multiple_questions_nonce'])) {
1917 
+			$nonce = esc_html($_POST['lesson_add_multiple_questions_nonce']);
1918 1918 
 		} // End If Statement
1919 1919
1920 
-		if( ! wp_verify_nonce( $nonce, 'lesson_add_multiple_questions_nonce' )
1921 
-            || ! current_user_can( 'edit_lessons' ) ) {
1922 
-			die( $return );
1920 
+		if ( ! wp_verify_nonce($nonce, 'lesson_add_multiple_questions_nonce')
1921 
+            || ! current_user_can('edit_lessons')) {
1922 
+			die($return);
1923 1923 
 		} // End If Statement
1924 1924
1925 1925 
 		// Parse POST data
1926 1926 
 		$data = $_POST['data'];
1927 1927 
 		$question_data = array();
1928 
-		parse_str( $data, $question_data );
1928 
+		parse_str($data, $question_data);
1929 1929
1930 
-		if( is_array( $question_data ) ) {
1931 
-			if( isset( $question_data['quiz_id'] ) && ( 0 < absint( $question_data['quiz_id'] ) ) ) {
1930 
+		if (is_array($question_data)) {
1931 
+			if (isset($question_data['quiz_id']) && (0 < absint($question_data['quiz_id']))) {
1932 1932
1933 
-				$quiz_id = intval( $question_data['quiz_id'] );
1934 
-				$question_number = intval( $question_data['question_number'] );
1935 
-				$question_category = intval( $question_data['question_category'] );
1933 
+				$quiz_id = intval($question_data['quiz_id']);
1934 
+				$question_number = intval($question_data['question_number']);
1935 
+				$question_category = intval($question_data['question_category']);
1936 1936
1937 
-				$question_counter = intval( $question_data['question_count'] );
1937 
+				$question_counter = intval($question_data['question_count']);
1938 1938 
 				++$question_counter;
1939 1939
1940 
-				$cat = get_term( $question_category, 'question-category' );
1940 
+				$cat = get_term($question_category, 'question-category');
1941 1941
1942 1942 
 				$post_data = array(
1943 1943 
 					'post_content' => '',
1944 1944 
 					'post_status' => 'publish',
1945 
-					'post_title' => sprintf( __( '%1$s Question(s) from %2$s', 'woothemes-sensei' ), $question_number, $cat->name ),
1945 
+					'post_title' => sprintf(__('%1$s Question(s) from %2$s', 'woothemes-sensei'), $question_number, $cat->name),
1946 1946 
 					'post_type' => 'multiple_question'
1947 1947 
 				);
1948 1948
1949 
-				$multiple_id = wp_insert_post( $post_data );
1949 
+				$multiple_id = wp_insert_post($post_data);
1950 1950
1951 
-				if( $multiple_id && ! is_wp_error( $multiple_id ) ) {
1952 
-					add_post_meta( $multiple_id, 'category', $question_category );
1953 
-					add_post_meta( $multiple_id, 'number', $question_number );
1954 
-					add_post_meta( $multiple_id, '_quiz_id', $quiz_id, false );
1955 
-					add_post_meta( $multiple_id, '_quiz_question_order' . $quiz_id, $quiz_id . '000' . $question_counter );
1956 
-					$lesson_id = get_post_meta( $quiz_id, '_quiz_lesson', true );
1957 
-					update_post_meta( $lesson_id, '_quiz_has_questions', '1' );
1958 
-					$return = $this->quiz_panel_question( 'category', $question_counter, $multiple_id, 'quiz', array( $cat->name, $question_number ) );
1951 
+				if ($multiple_id && ! is_wp_error($multiple_id)) {
1952 
+					add_post_meta($multiple_id, 'category', $question_category);
1953 
+					add_post_meta($multiple_id, 'number', $question_number);
1954 
+					add_post_meta($multiple_id, '_quiz_id', $quiz_id, false);
1955 
+					add_post_meta($multiple_id, '_quiz_question_order'.$quiz_id, $quiz_id.'000'.$question_counter);
1956 
+					$lesson_id = get_post_meta($quiz_id, '_quiz_lesson', true);
1957 
+					update_post_meta($lesson_id, '_quiz_has_questions', '1');
1958 
+					$return = $this->quiz_panel_question('category', $question_counter, $multiple_id, 'quiz', array($cat->name, $question_number));
1959 1959 
 				}
1960 1960 
 			}
1961 1961 
 		}
 
@@ -1969,25 +1969,25 @@  discard block
 
 block discarded – undo
1969 1969
1970 1970 
 		//Add nonce security to the request
1971 1971 
 		$nonce = '';
1972 
-		if( isset( $_POST['lesson_remove_multiple_questions_nonce'] ) ) {
1973 
-			$nonce = esc_html( $_POST['lesson_remove_multiple_questions_nonce'] );
1972 
+		if (isset($_POST['lesson_remove_multiple_questions_nonce'])) {
1973 
+			$nonce = esc_html($_POST['lesson_remove_multiple_questions_nonce']);
1974 1974 
 		} // End If Statement
1975 1975
1976 
-		if( ! wp_verify_nonce( $nonce, 'lesson_remove_multiple_questions_nonce' )
1977 
-        || ! current_user_can( 'edit_lessons' ) ) {
1976 
+		if ( ! wp_verify_nonce($nonce, 'lesson_remove_multiple_questions_nonce')
1977 
+        || ! current_user_can('edit_lessons')) {
1978 1978 
 			die('');
1979 1979 
 		} // End If Statement
1980 1980
1981 1981 
 		// Parse POST data
1982 1982 
 		$data = $_POST['data'];
1983 1983 
 		$question_data = array();
1984 
-		parse_str( $data, $question_data );
1984 
+		parse_str($data, $question_data);
1985 1985
1986 
-		if( is_array( $question_data ) ) {
1987 
-			wp_delete_post( $question_data['question_id'], true );
1986 
+		if (is_array($question_data)) {
1987 
+			wp_delete_post($question_data['question_id'], true);
1988 1988 
 		}
1989 1989
1990 
-		die( 'Deleted' );
1990 
+		die('Deleted');
1991 1991 
 	}
1992 1992
1993 1993 
 	public function get_question_category_limit() {
 
@@ -1998,11 +1998,11 @@  discard block
 
 block discarded – undo
1998 1998 
 		// Parse POST data
1999 1999 
 		$data = $_POST['data'];
2000 2000 
 		$cat_data = array();
2001 
-		parse_str( $data, $cat_data );
2001 
+		parse_str($data, $cat_data);
2002 2002
2003 
-		if( isset( $cat_data['cat'] ) && '' != $cat_data['cat'] ) {
2004 
-			$cat = get_term( $cat_data['cat'], 'question-category' );
2005 
-			if( isset( $cat->count ) ) {
2003 
+		if (isset($cat_data['cat']) && '' != $cat_data['cat']) {
2004 
+			$cat = get_term($cat_data['cat'], 'question-category');
2005 
+			if (isset($cat->count)) {
2006 2006 
 				$return = $cat->count;
2007 2007 
 			}
2008 2008 
 		}
 
@@ -2016,45 +2016,45 @@  discard block
 
 block discarded – undo
2016 2016
2017 2017 
 		//Add nonce security to the request
2018 2018 
 		$nonce = '';
2019 
-		if( isset( $_POST['lesson_add_existing_questions_nonce'] ) ) {
2020 
-			$nonce = esc_html( $_POST['lesson_add_existing_questions_nonce'] );
2019 
+		if (isset($_POST['lesson_add_existing_questions_nonce'])) {
2020 
+			$nonce = esc_html($_POST['lesson_add_existing_questions_nonce']);
2021 2021 
 		} // End If Statement
2022 2022
2023 
-		if( ! wp_verify_nonce( $nonce, 'lesson_add_existing_questions_nonce' )
2024 
-        || ! current_user_can( 'edit_lessons' ) ) {
2023 
+		if ( ! wp_verify_nonce($nonce, 'lesson_add_existing_questions_nonce')
2024 
+        || ! current_user_can('edit_lessons')) {
2025 2025 
 			die('');
2026 2026 
 		} // End If Statement
2027 2027
2028 2028 
 		// Parse POST data
2029 2029 
 		$data = $_POST['data'];
2030 2030 
 		$question_data = array();
2031 
-		parse_str( $data, $question_data );
2031 
+		parse_str($data, $question_data);
2032 2032
2033 2033 
 		$return = '';
2034 2034
2035 
-		if( is_array( $question_data ) ) {
2035 
+		if (is_array($question_data)) {
2036 2036
2037 
-			if( isset( $question_data['questions'] ) && '' != $question_data['questions'] ) {
2037 
+			if (isset($question_data['questions']) && '' != $question_data['questions']) {
2038 2038
2039 
-				$questions = explode( ',', trim( $question_data['questions'], ',' ) );
2039 
+				$questions = explode(',', trim($question_data['questions'], ','));
2040 2040 
 				$quiz_id = $question_data['quiz_id'];
2041 
-				$question_count = intval( $question_data['question_count'] );
2041 
+				$question_count = intval($question_data['question_count']);
2042 2042
2043 
-				foreach( $questions as $question_id ) {
2043 
+				foreach ($questions as $question_id) {
2044 2044
2045 2045 
 					++$question_count;
2046 2046
2047 
-					$quizzes = get_post_meta( $question_id, '_quiz_id', false );
2048 
-					if( ! in_array( $quiz_id, $quizzes ) ) {
2049 
-			    		add_post_meta( $question_id, '_quiz_id', $quiz_id, false );
2050 
-						$lesson_id = get_post_meta( $quiz_id, '_quiz_lesson', true );
2051 
-						update_post_meta( $lesson_id, '_quiz_has_questions', '1' );
2047 
+					$quizzes = get_post_meta($question_id, '_quiz_id', false);
2048 
+					if ( ! in_array($quiz_id, $quizzes)) {
2049 
+			    		add_post_meta($question_id, '_quiz_id', $quiz_id, false);
2050 
+						$lesson_id = get_post_meta($quiz_id, '_quiz_lesson', true);
2051 
+						update_post_meta($lesson_id, '_quiz_has_questions', '1');
2052 2052 
 			    	}
2053 2053
2054 
-			    	add_post_meta( $question_id, '_quiz_question_order' . $quiz_id, $quiz_id . '000' . $question_count );
2055 
-					$question_type = Sensei()->question->get_question_type( $question_id );
2054 
+			    	add_post_meta($question_id, '_quiz_question_order'.$quiz_id, $quiz_id.'000'.$question_count);
2055 
+					$question_type = Sensei()->question->get_question_type($question_id);
2056 2056
2057 
-					$return .= $this->quiz_panel_question( $question_type, $question_count, $question_id );
2057 
+					$return .= $this->quiz_panel_question($question_type, $question_count, $question_id);
2058 2058 
 				}
2059 2059 
 			}
2060 2060 
 		}
 
@@ -2066,14 +2066,14 @@  discard block
 
 block discarded – undo
2066 2066
2067 2067 
 	public function lesson_update_grade_type() {
2068 2068 
 		//Add nonce security to the request
2069 
-		if ( isset($_POST['lesson_update_grade_type_nonce']) ) {
2069 
+		if (isset($_POST['lesson_update_grade_type_nonce'])) {
2070 2070
2071 
-			$nonce = esc_html( $_POST['lesson_update_grade_type_nonce'] );
2071 
+			$nonce = esc_html($_POST['lesson_update_grade_type_nonce']);
2072 2072
2073 2073 
 		} // End If Statement
2074 2074
2075 
-		if ( ! wp_verify_nonce( $nonce, 'lesson_update_grade_type_nonce' )
2076 
-        || ! current_user_can( 'edit_lessons' ) ) {
2075 
+		if ( ! wp_verify_nonce($nonce, 'lesson_update_grade_type_nonce')
2076 
+        || ! current_user_can('edit_lessons')) {
2077 2077
2078 2078 
 			die('');
2079 2079 
 
@@ -2083,18 +2083,18 @@  discard block
 
 block discarded – undo
2083 2083 
 		$data = $_POST['data'];
2084 2084 
 		$quiz_data = array();
2085 2085 
 		parse_str($data, $quiz_data);
2086 
-		update_post_meta( $quiz_data['quiz_id'], '_quiz_grade_type', $quiz_data['quiz_grade_type'] );
2086 
+		update_post_meta($quiz_data['quiz_id'], '_quiz_grade_type', $quiz_data['quiz_grade_type']);
2087 2087 
 		die();
2088 2088 
 	}
2089 2089
2090 2090 
 	public function lesson_update_question_order() {
2091 2091 
 		// Add nonce security to the request
2092 
-		if ( isset($_POST['lesson_update_question_order_nonce']) ) {
2093 
-			$nonce = esc_html( $_POST['lesson_update_question_order_nonce'] );
2092 
+		if (isset($_POST['lesson_update_question_order_nonce'])) {
2093 
+			$nonce = esc_html($_POST['lesson_update_question_order_nonce']);
2094 2094 
 		} // End If Statement
2095 2095
2096 
-        if ( ! wp_verify_nonce( $nonce, 'lesson_update_question_order_nonce' )
2097 
-            ||! current_user_can( 'edit_lessons' ) ) {
2096 
+        if ( ! wp_verify_nonce($nonce, 'lesson_update_question_order_nonce')
2097 
+            ||! current_user_can('edit_lessons')) {
2098 2098 
 			die('');
2099 2099 
 		} // End If Statement
2100 2100 
 
@@ -2102,25 +2102,25 @@  discard block
 
 block discarded – undo
2102 2102 
 		$data = $_POST['data'];
2103 2103 
 		$quiz_data = array();
2104 2104 
 		parse_str($data, $quiz_data);
2105 
-		if( strlen( $quiz_data['question_order'] ) > 0 ) {
2106 
-			$questions = explode( ',', $quiz_data['question_order'] );
2105 
+		if (strlen($quiz_data['question_order']) > 0) {
2106 
+			$questions = explode(',', $quiz_data['question_order']);
2107 2107 
 			$o = 1;
2108 
-			foreach( $questions as $question_id ) {
2109 
-				update_post_meta( $question_id, '_quiz_question_order' . $quiz_data['quiz_id'], $quiz_data['quiz_id'] . '000' . $o );
2108 
+			foreach ($questions as $question_id) {
2109 
+				update_post_meta($question_id, '_quiz_question_order'.$quiz_data['quiz_id'], $quiz_data['quiz_id'].'000'.$o);
2110 2110 
 				++$o;
2111 2111 
 			}
2112 
-			update_post_meta( $quiz_data['quiz_id'], '_question_order', $questions );
2112 
+			update_post_meta($quiz_data['quiz_id'], '_question_order', $questions);
2113 2113 
 		}
2114 2114 
 		die();
2115 2115 
 	}
2116 2116
2117 2117 
 	public function lesson_update_question_order_random() {
2118 2118 
 		//Add nonce security to the request
2119 
-		if ( isset($_POST['lesson_update_question_order_random_nonce']) ) {
2120 
-			$nonce = esc_html( $_POST['lesson_update_question_order_random_nonce'] );
2119 
+		if (isset($_POST['lesson_update_question_order_random_nonce'])) {
2120 
+			$nonce = esc_html($_POST['lesson_update_question_order_random_nonce']);
2121 2121 
 		} // End If Statement
2122 
-		if ( ! wp_verify_nonce( $nonce, 'lesson_update_question_order_random_nonce' )
2123 
-            || ! current_user_can( 'edit_lessons' ) ) {
2122 
+		if ( ! wp_verify_nonce($nonce, 'lesson_update_question_order_random_nonce')
2123 
+            || ! current_user_can('edit_lessons')) {
2124 2124
2125 2125 
 			die('');
2126 2126 
 
@@ -2129,7 +2129,7 @@  discard block
 
 block discarded – undo
2129 2129 
 		$data = $_POST['data'];
2130 2130 
 		$quiz_data = array();
2131 2131 
 		parse_str($data, $quiz_data);
2132 
-		update_post_meta( $quiz_data['quiz_id'], '_random_question_order', $quiz_data['random_question_order'] );
2132 
+		update_post_meta($quiz_data['quiz_id'], '_random_question_order', $quiz_data['random_question_order']);
2133 2133 
 		die();
2134 2134 
 	}
2135 2135 
 
@@ -2140,7 +2140,7 @@  discard block
 
 block discarded – undo
2140 2140 
 	 * @param array $data (default: array())
2141 2141 
 	 * @return integer|boolean $course_id or false
2142 2142 
 	 */
2143 
-	private function lesson_save_course( $data = array() ) {
2143 
+	private function lesson_save_course($data = array()) {
2144 2144 
 		global $current_user;
2145 2145 
 		$return = false;
2146 2146 
 		// Setup the course data
 
@@ -2149,58 +2149,58 @@  discard block
 
 block discarded – undo
2149 2149 
 		$course_title = '';
2150 2150 
 		$course_prerequisite = 0;
2151 2151 
 		$course_category = 0;
2152 
-		if ( isset( $data[ 'course_id' ] ) && ( 0 < absint( $data[ 'course_id' ] ) ) ) {
2153 
-			$course_id = absint( $data[ 'course_id' ] );
2152 
+		if (isset($data['course_id']) && (0 < absint($data['course_id']))) {
2153 
+			$course_id = absint($data['course_id']);
2154 2154 
 		} // End If Statement
2155 
-		if ( isset( $data[ 'course_title' ] ) && ( '' != $data[ 'course_title' ] ) ) {
2156 
-			$course_title = $data[ 'course_title' ];
2155 
+		if (isset($data['course_title']) && ('' != $data['course_title'])) {
2156 
+			$course_title = $data['course_title'];
2157 2157 
 		} // End If Statement
2158 2158 
 		$post_title = $course_title;
2159 
-		if ( isset($data[ 'post_author' ]) ) {
2160 
-			$post_author = $data[ 'post_author' ];
2159 
+		if (isset($data['post_author'])) {
2160 
+			$post_author = $data['post_author'];
2161 2161 
 		} else {
2162 2162 
 			$current_user = wp_get_current_user();
2163 2163 
 			$post_author = $current_user->ID;
2164 2164 
 		} // End If Statement
2165 2165 
 		$post_status = 'publish';
2166 2166 
 		$post_type = 'course';
2167 
-		if ( isset( $data[ 'course_content' ] ) && ( '' != $data[ 'course_content' ] ) ) {
2168 
-			$course_content = $data[ 'course_content' ];
2167 
+		if (isset($data['course_content']) && ('' != $data['course_content'])) {
2168 
+			$course_content = $data['course_content'];
2169 2169 
 		} // End If Statement
2170 2170 
 		$post_content = $course_content;
2171 2171 
 		// Course Query Arguments
2172 
-		$post_type_args = array(	'post_content' => $post_content,
2172 
+		$post_type_args = array('post_content' => $post_content,
2173 2173 
   		    						'post_status' => $post_status,
2174 2174 
   		    						'post_title' => $post_title,
2175 2175 
   		    						'post_type' => $post_type
2176 2176 
   		    						);
2177 2177 
   		// Only save if there is a valid title
2178 
-  		if ( $post_title != '' ) {
2178 
+  		if ($post_title != '') {
2179 2179 
   		    // Check for prerequisite courses & product id
2180 
-  		    $course_prerequisite_id = absint( $data[ 'course_prerequisite' ] );
2181 
-  		    $course_woocommerce_product_id = absint( $data[ 'course_woocommerce_product' ] );
2182 
-  		    $course_category_id = absint( $data[ 'course_category' ] );
2183 
-  		    if ( 0 == $course_woocommerce_product_id ) { $course_woocommerce_product_id = '-'; }
2180 
+  		    $course_prerequisite_id = absint($data['course_prerequisite']);
2181 
+  		    $course_woocommerce_product_id = absint($data['course_woocommerce_product']);
2182 
+  		    $course_category_id = absint($data['course_category']);
2183 
+  		    if (0 == $course_woocommerce_product_id) { $course_woocommerce_product_id = '-'; }
2184 2184 
   		    // Insert or Update the Lesson Quiz
2185 
-		    if ( 0 < $course_id ) {
2186 
-		    	$post_type_args[ 'ID' ] = $course_id;
2185 
+		    if (0 < $course_id) {
2186 
+		    	$post_type_args['ID'] = $course_id;
2187 2187 
 		    	$course_id = wp_update_post($post_type_args);
2188 
-		    	update_post_meta( $course_id, '_course_prerequisite', $course_prerequisite_id );
2189 
-		    	update_post_meta( $course_id, '_course_woocommerce_product', $course_woocommerce_product_id );
2190 
-		    	if ( 0 < $course_category_id ) {
2191 
-		    		wp_set_object_terms( $course_id, $course_category_id, 'course-category' );
2188 
+		    	update_post_meta($course_id, '_course_prerequisite', $course_prerequisite_id);
2189 
+		    	update_post_meta($course_id, '_course_woocommerce_product', $course_woocommerce_product_id);
2190 
+		    	if (0 < $course_category_id) {
2191 
+		    		wp_set_object_terms($course_id, $course_category_id, 'course-category');
2192 2192 
 		    	} // End If Statement
2193 2193 
 		    } else {
2194 2194 
 		    	$course_id = wp_insert_post($post_type_args);
2195 
-		    	add_post_meta( $course_id, '_course_prerequisite', $course_prerequisite_id );
2196 
-		    	add_post_meta( $course_id, '_course_woocommerce_product', $course_woocommerce_product_id );
2197 
-		    	if ( 0 < $course_category_id ) {
2198 
-		    		wp_set_object_terms( $course_id, $course_category_id, 'course-category' );
2195 
+		    	add_post_meta($course_id, '_course_prerequisite', $course_prerequisite_id);
2196 
+		    	add_post_meta($course_id, '_course_woocommerce_product', $course_woocommerce_product_id);
2197 
+		    	if (0 < $course_category_id) {
2198 
+		    		wp_set_object_terms($course_id, $course_category_id, 'course-category');
2199 2199 
 		    	} // End If Statement
2200 2200 
 		    } // End If Statement
2201 2201 
 		} // End If Statement
2202 2202 
   		// Check that the insert or update saved by testing the post id
2203 
-  		if ( 0 < $course_id ) {
2203 
+  		if (0 < $course_id) {
2204 2204 
   			$return = $course_id;
2205 2205 
   		} // End If Statement
2206 2206 
   		return $return;
 
@@ -2214,7 +2214,7 @@  discard block
 
 block discarded – undo
2214 2214 
 	 * @param array $data (default: array())
2215 2215 
 	 * @return integer|boolean $question_id or false
2216 2216 
 	 */
2217 
-	public function lesson_save_question( $data = array(), $context = 'quiz' ) {
2217 
+	public function lesson_save_question($data = array(), $context = 'quiz') {
2218 2218 
 		$return = false;
2219 2219 
 		// Save the Questions
2220 2220 
 		// Setup the Question data
 
@@ -2226,130 +2226,130 @@  discard block
 
 block discarded – undo
2226 2226 
 		$question_category = '';
2227 2227
2228 2228 
 		// Handle Question Type
2229 
-		if ( isset( $data[ 'question_type' ] ) && ( '' != $data[ 'question_type' ] ) ) {
2230 
-			$question_type = $data[ 'question_type' ];
2229 
+		if (isset($data['question_type']) && ('' != $data['question_type'])) {
2230 
+			$question_type = $data['question_type'];
2231 2231 
 		} // End If Statement
2232 2232
2233 
-		if ( isset( $data[ 'question_category' ] ) && ( '' != $data[ 'question_category' ] ) ) {
2234 
-			$question_category = $data[ 'question_category' ];
2233 
+		if (isset($data['question_category']) && ('' != $data['question_category'])) {
2234 
+			$question_category = $data['question_category'];
2235 2235 
 		} // End If Statement
2236 2236
2237 
-		if ( isset( $data[ 'question_id' ] ) && ( 0 < absint( $data[ 'question_id' ] ) ) ) {
2238 
-			$question_id = absint( $data[ 'question_id' ] );
2237 
+		if (isset($data['question_id']) && (0 < absint($data['question_id']))) {
2238 
+			$question_id = absint($data['question_id']);
2239 2239 
 		} // End If Statement
2240 
-		if ( isset( $data[ 'question' ] ) && ( '' != $data[ 'question' ] ) ) {
2241 
-			$question_text = $data[ 'question' ];
2240 
+		if (isset($data['question']) && ('' != $data['question'])) {
2241 
+			$question_text = $data['question'];
2242 2242 
 		} // End If Statement
2243 2243 
 		$post_title = $question_text;
2244 2244 
 		// Handle Default Fields (multiple choice)
2245 
-		if ( 'multiple-choice' == $question_type && isset( $data[ 'question_right_answers' ] ) && ( '' != $data[ 'question_right_answers' ] ) ) {
2246 
-			$question_right_answers = $data[ 'question_right_answers' ];
2245 
+		if ('multiple-choice' == $question_type && isset($data['question_right_answers']) && ('' != $data['question_right_answers'])) {
2246 
+			$question_right_answers = $data['question_right_answers'];
2247 2247 
 		} // End If Statement
2248 
-		elseif ( 'multiple-choice' == $question_type && isset( $data[ 'question_right_answer' ] ) && ( '' != $data[ 'question_right_answer' ] ) ) {
2249 
-			$question_right_answer = $data[ 'question_right_answer' ];
2248 
+		elseif ('multiple-choice' == $question_type && isset($data['question_right_answer']) && ('' != $data['question_right_answer'])) {
2249 
+			$question_right_answer = $data['question_right_answer'];
2250 2250 
 		} // End If Statement
2251 
-		if ( 'multiple-choice' == $question_type && isset( $data[ 'question_wrong_answers' ] ) && ( '' != $data[ 'question_wrong_answers' ] ) ) {
2252 
-			$question_wrong_answers = $data[ 'question_wrong_answers' ];
2251 
+		if ('multiple-choice' == $question_type && isset($data['question_wrong_answers']) && ('' != $data['question_wrong_answers'])) {
2252 
+			$question_wrong_answers = $data['question_wrong_answers'];
2253 2253 
 		} // End If Statement
2254 2254 
 		// Handle Boolean Fields - Edit
2255 
-		if ( 'boolean' == $question_type && isset( $data[ 'question_' . $question_id . '_right_answer_boolean' ] ) && ( '' != $data[ 'question_' . $question_id . '_right_answer_boolean' ] ) ) {
2256 
-			$question_right_answer = $data[ 'question_' . $question_id . '_right_answer_boolean' ];
2255 
+		if ('boolean' == $question_type && isset($data['question_'.$question_id.'_right_answer_boolean']) && ('' != $data['question_'.$question_id.'_right_answer_boolean'])) {
2256 
+			$question_right_answer = $data['question_'.$question_id.'_right_answer_boolean'];
2257 2257 
 		} // End If Statement
2258 2258 
 		// Handle Boolean Fields - Add
2259 
-		if ( 'boolean' == $question_type && isset( $data[ 'question_right_answer_boolean' ] ) && ( '' != $data[ 'question_right_answer_boolean' ] ) ) {
2260 
-			$question_right_answer = $data[ 'question_right_answer_boolean' ];
2259 
+		if ('boolean' == $question_type && isset($data['question_right_answer_boolean']) && ('' != $data['question_right_answer_boolean'])) {
2260 
+			$question_right_answer = $data['question_right_answer_boolean'];
2261 2261 
 		} // End If Statement
2262 2262 
 		// Handle Gap Fill Fields
2263 
-		if ( 'gap-fill' == $question_type && isset( $data[ 'add_question_right_answer_gapfill_gap' ] ) && '' != $data[ 'add_question_right_answer_gapfill_gap' ] ) {
2264 
-			$question_right_answer = $data[ 'add_question_right_answer_gapfill_pre' ] . '||' . $data[ 'add_question_right_answer_gapfill_gap' ] . '||' . $data[ 'add_question_right_answer_gapfill_post' ];
2263 
+		if ('gap-fill' == $question_type && isset($data['add_question_right_answer_gapfill_gap']) && '' != $data['add_question_right_answer_gapfill_gap']) {
2264 
+			$question_right_answer = $data['add_question_right_answer_gapfill_pre'].'||'.$data['add_question_right_answer_gapfill_gap'].'||'.$data['add_question_right_answer_gapfill_post'];
2265 2265 
 		} // End If Statement
2266 2266 
 		// Handle Multi Line Fields
2267 
-		if ( 'multi-line' == $question_type && isset( $data[ 'add_question_right_answer_multiline' ] ) && ( '' != $data[ 'add_question_right_answer_multiline' ] ) ) {
2268 
-			$question_right_answer = $data[ 'add_question_right_answer_multiline' ];
2267 
+		if ('multi-line' == $question_type && isset($data['add_question_right_answer_multiline']) && ('' != $data['add_question_right_answer_multiline'])) {
2268 
+			$question_right_answer = $data['add_question_right_answer_multiline'];
2269 2269 
 		} // End If Statement
2270 2270 
 		// Handle Single Line Fields
2271 
-		if ( 'single-line' == $question_type && isset( $data[ 'add_question_right_answer_singleline' ] ) && ( '' != $data[ 'add_question_right_answer_singleline' ] ) ) {
2272 
-			$question_right_answer = $data[ 'add_question_right_answer_singleline' ];
2271 
+		if ('single-line' == $question_type && isset($data['add_question_right_answer_singleline']) && ('' != $data['add_question_right_answer_singleline'])) {
2272 
+			$question_right_answer = $data['add_question_right_answer_singleline'];
2273 2273 
 		} // End If Statement
2274 2274 
 		// Handle File Upload Fields
2275 
-		if ( 'file-upload' == $question_type && isset( $data[ 'add_question_right_answer_fileupload' ] ) && ( '' != $data[ 'add_question_right_answer_fileupload' ] ) ) {
2276 
-			$question_right_answer = $data[ 'add_question_right_answer_fileupload' ];
2275 
+		if ('file-upload' == $question_type && isset($data['add_question_right_answer_fileupload']) && ('' != $data['add_question_right_answer_fileupload'])) {
2276 
+			$question_right_answer = $data['add_question_right_answer_fileupload'];
2277 2277 
 		} // End If Statement
2278 
-		if ( 'file-upload' == $question_type && isset( $data[ 'add_question_wrong_answer_fileupload' ] ) && ( '' != $data[ 'add_question_wrong_answer_fileupload' ] ) ) {
2279 
-			$question_wrong_answers = array( $data[ 'add_question_wrong_answer_fileupload' ] );
2278 
+		if ('file-upload' == $question_type && isset($data['add_question_wrong_answer_fileupload']) && ('' != $data['add_question_wrong_answer_fileupload'])) {
2279 
+			$question_wrong_answers = array($data['add_question_wrong_answer_fileupload']);
2280 2280 
 		} // End If Statement
2281 2281
2282 2282 
 		// Handle Question Grade
2283 
-		if ( isset( $data[ 'question_grade' ] ) && ( '' != $data[ 'question_grade' ] ) ) {
2284 
-			$question_grade = $data[ 'question_grade' ];
2283 
+		if (isset($data['question_grade']) && ('' != $data['question_grade'])) {
2284 
+			$question_grade = $data['question_grade'];
2285 2285 
 		} // End If Statement
2286 2286
2287 2287 
 		// Handle Answer Feedback
2288 2288 
 		$answer_feedback = '';
2289 
-		if ( isset( $data[ 'answer_feedback_boolean' ] ) && !empty( $data[ 'answer_feedback_boolean' ] ) ) {
2289 
+		if (isset($data['answer_feedback_boolean']) && ! empty($data['answer_feedback_boolean'])) {
2290 2290
2291 
-            $answer_feedback = $data[ 'answer_feedback_boolean' ];
2291 
+            $answer_feedback = $data['answer_feedback_boolean'];
2292 2292
2293 
-		}elseif( isset( $data[ 'answer_feedback_multiple_choice' ] ) && !empty( $data[ 'answer_feedback_multiple_choice' ] ) ){
2293 
+		}elseif (isset($data['answer_feedback_multiple_choice']) && ! empty($data['answer_feedback_multiple_choice'])) {
2294 2294
2295 
-            $answer_feedback = $data[ 'answer_feedback_multiple_choice' ];
2295 
+            $answer_feedback = $data['answer_feedback_multiple_choice'];
2296 2296
2297 
-        }elseif( isset( $data[ 'answer_feedback' ] )  ){
2297 
+        }elseif (isset($data['answer_feedback'])) {
2298 2298
2299 
-            $answer_feedback = $data[ 'answer_feedback' ];
2299 
+            $answer_feedback = $data['answer_feedback'];
2300 2300
2301 2301 
         } // End If Statement
2302 2302
2303 2303 
 		$post_title = $question_text;
2304 
-		$post_author = $data[ 'post_author' ];
2304 
+		$post_author = $data['post_author'];
2305 2305 
 		$post_status = 'publish';
2306 2306 
 		$post_type = 'question';
2307 2307 
 		// Handle the extended question text
2308 
-		if ( isset( $data[ 'question_description' ] ) && ( '' != $data[ 'question_description' ] ) ) {
2309 
-			$post_content = $data[ 'question_description' ];
2308 
+		if (isset($data['question_description']) && ('' != $data['question_description'])) {
2309 
+			$post_content = $data['question_description'];
2310 2310 
 		}
2311 2311 
 		else {
2312 2312 
 			$post_content = '';
2313 2313 
 		}
2314 2314 
 		// Question Query Arguments
2315 
-		$post_type_args = array(	'post_content' => $post_content,
2315 
+		$post_type_args = array('post_content' => $post_content,
2316 2316 
   		    						'post_status' => $post_status,
2317 2317 
   		    						'post_title' => $post_title,
2318 2318 
   		    						'post_type' => $post_type
2319 2319 
   		    						);
2320 2320
2321 2321 
   		// Remove empty values and reindex the array
2322 
-  		if ( is_array( $question_right_answers ) && 0 < count($question_right_answers) ) {
2323 
-  			$question_right_answers_array = array_values( array_filter( $question_right_answers, 'strlen' ) );
2322 
+  		if (is_array($question_right_answers) && 0 < count($question_right_answers)) {
2323 
+  			$question_right_answers_array = array_values(array_filter($question_right_answers, 'strlen'));
2324 2324 
   			$question_right_answers = array();
2325 2325
2326 
-  			foreach( $question_right_answers_array as $answer ) {
2327 
-  				if( ! in_array( $answer, $question_right_answers ) ) {
2326 
+  			foreach ($question_right_answers_array as $answer) {
2327 
+  				if ( ! in_array($answer, $question_right_answers)) {
2328 2328 
   					$question_right_answers[] = $answer;
2329 2329 
   				}
2330 2330 
   			}
2331 
-  			if ( 0 < count($question_right_answers) ) {
2331 
+  			if (0 < count($question_right_answers)) {
2332 2332 
   				$question_right_answer = $question_right_answers;
2333 2333 
   			}
2334 2334 
   		} // End If Statement
2335 
-  		$right_answer_count = count( $question_right_answer );
2335 
+  		$right_answer_count = count($question_right_answer);
2336 2336
2337 2337 
 		// Remove empty values and reindex the array
2338 
-  		if ( is_array( $question_wrong_answers ) ) {
2339 
-  			$question_wrong_answers_array = array_values( array_filter( $question_wrong_answers, 'strlen' ) );
2338 
+  		if (is_array($question_wrong_answers)) {
2339 
+  			$question_wrong_answers_array = array_values(array_filter($question_wrong_answers, 'strlen'));
2340 2340 
   			$question_wrong_answers = array();
2341 2341 
   		} // End If Statement
2342 2342
2343 
-  		foreach( $question_wrong_answers_array as $answer ) {
2344 
-  			if( ! in_array( $answer, $question_wrong_answers ) ) {
2343 
+  		foreach ($question_wrong_answers_array as $answer) {
2344 
+  			if ( ! in_array($answer, $question_wrong_answers)) {
2345 2345 
   				$question_wrong_answers[] = $answer;
2346 2346 
   			}
2347 2347 
   		}
2348 2348
2349 
-  		$wrong_answer_count = count( $question_wrong_answers );
2349 
+  		$wrong_answer_count = count($question_wrong_answers);
2350 2350
2351 2351 
   		// Only save if there is a valid title
2352 
-  		if ( $post_title != '' ) {
2352 
+  		if ($post_title != '') {
2353 2353
2354 2354 
   			// Get Quiz ID for the question
2355 2355 
   		    $quiz_id = $data['quiz_id'];
 
@@ -2359,86 +2359,86 @@  discard block
 
 block discarded – undo
2359 2359
2360 2360 
   		    // Get answer order
2361 2361 
   		    $answer_order = '';
2362 
-  		    if( isset( $data['answer_order'] ) ) {
2362 
+  		    if (isset($data['answer_order'])) {
2363 2363 
 				$answer_order = $data['answer_order'];
2364 2364 
 			}
2365 2365
2366 2366 
 			// Get random order selection
2367 2367 
 			$random_order = 'no';
2368 
-			if( isset( $data['random_order'] ) ) {
2368 
+			if (isset($data['random_order'])) {
2369 2369 
 				$random_order = $data['random_order'];
2370 2370 
 			}
2371 2371
2372 2372 
   		    // Insert or Update the question
2373 
-  		    if ( 0 < $question_id ) {
2373 
+  		    if (0 < $question_id) {
2374 2374
2375 
-  		    	$post_type_args[ 'ID' ] = $question_id;
2376 
-		    	$question_id = wp_update_post( $post_type_args );
2375 
+  		    	$post_type_args['ID'] = $question_id;
2376 
+		    	$question_id = wp_update_post($post_type_args);
2377 2377
2378 2378 
 		    	// Update poast meta
2379 
-		    	if( 'quiz' == $context ) {
2380 
-		    		$quizzes = get_post_meta( $question_id, '_quiz_id', false );
2381 
-		    		if( ! in_array( $quiz_id, $quizzes ) ) {
2382 
-			    		add_post_meta( $question_id, '_quiz_id', $quiz_id, false );
2379 
+		    	if ('quiz' == $context) {
2380 
+		    		$quizzes = get_post_meta($question_id, '_quiz_id', false);
2381 
+		    		if ( ! in_array($quiz_id, $quizzes)) {
2382 
+			    		add_post_meta($question_id, '_quiz_id', $quiz_id, false);
2383 2383 
 			    	}
2384 2384 
 		    	}
2385 2385
2386 
-		    	update_post_meta( $question_id, '_question_grade', $question_grade );
2387 
-		    	update_post_meta( $question_id, '_question_right_answer', $question_right_answer );
2388 
-		    	update_post_meta( $question_id, '_right_answer_count', $right_answer_count );
2389 
-		    	update_post_meta( $question_id, '_question_wrong_answers', $question_wrong_answers );
2390 
-		    	update_post_meta( $question_id, '_wrong_answer_count', $wrong_answer_count );
2391 
-		    	update_post_meta( $question_id, '_question_media', $question_media );
2392 
-		    	update_post_meta( $question_id, '_answer_order', $answer_order );
2393 
-		    	update_post_meta( $question_id, '_random_order', $random_order );
2394 
-
2395 
-		    	if( 'quiz' != $context ) {
2396 
-		    		wp_set_post_terms( $question_id, array( $question_type ), 'question-type', false );
2386 
+		    	update_post_meta($question_id, '_question_grade', $question_grade);
2387 
+		    	update_post_meta($question_id, '_question_right_answer', $question_right_answer);
2388 
+		    	update_post_meta($question_id, '_right_answer_count', $right_answer_count);
2389 
+		    	update_post_meta($question_id, '_question_wrong_answers', $question_wrong_answers);
2390 
+		    	update_post_meta($question_id, '_wrong_answer_count', $wrong_answer_count);
2391 
+		    	update_post_meta($question_id, '_question_media', $question_media);
2392 
+		    	update_post_meta($question_id, '_answer_order', $answer_order);
2393 
+		    	update_post_meta($question_id, '_random_order', $random_order);
2394 
+
2395 
+		    	if ('quiz' != $context) {
2396 
+		    		wp_set_post_terms($question_id, array($question_type), 'question-type', false);
2397 2397 
 		    	}
2398 2398 
 				// Don't store empty value, no point
2399 
-				if ( !empty($answer_feedback) ) {
2400 
-					update_post_meta( $question_id, '_answer_feedback', $answer_feedback );
2399 
+				if ( ! empty($answer_feedback)) {
2400 
+					update_post_meta($question_id, '_answer_feedback', $answer_feedback);
2401 2401 
 				}
2402 2402
2403 2403 
 		    } else {
2404 
-				$question_id = wp_insert_post( $post_type_args );
2405 
-				$question_count = intval( $data['question_count'] );
2404 
+				$question_id = wp_insert_post($post_type_args);
2405 
+				$question_count = intval($data['question_count']);
2406 2406 
 				++$question_count;
2407 2407
2408 2408 
 				// Set post meta
2409 
-				if( 'quiz' == $context ) {
2410 
-					add_post_meta( $question_id, '_quiz_id', $quiz_id, false );
2411 
-					$lesson_id = get_post_meta( $quiz_id, '_quiz_lesson', true );
2412 
-					update_post_meta( $lesson_id, '_quiz_has_questions', '1' );
2409 
+				if ('quiz' == $context) {
2410 
+					add_post_meta($question_id, '_quiz_id', $quiz_id, false);
2411 
+					$lesson_id = get_post_meta($quiz_id, '_quiz_lesson', true);
2412 
+					update_post_meta($lesson_id, '_quiz_has_questions', '1');
2413 2413 
 				}
2414 2414
2415 
-				if( isset( $question_grade ) ) {
2416 
-		    		add_post_meta( $question_id, '_question_grade', $question_grade );
2415 
+				if (isset($question_grade)) {
2416 
+		    		add_post_meta($question_id, '_question_grade', $question_grade);
2417 2417 
 		    	}
2418 
-		    	add_post_meta( $question_id, '_question_right_answer', $question_right_answer );
2419 
-		    	add_post_meta( $question_id, '_right_answer_count', $right_answer_count );
2420 
-		    	add_post_meta( $question_id, '_question_wrong_answers', $question_wrong_answers );
2421 
-		    	add_post_meta( $question_id, '_wrong_answer_count', $wrong_answer_count );
2422 
-		    	add_post_meta( $question_id, '_quiz_question_order' . $quiz_id, $quiz_id . '000' . $question_count );
2423 
-		    	add_post_meta( $question_id, '_question_media', $question_media );
2424 
-		    	add_post_meta( $question_id, '_answer_order', $answer_order );
2425 
-		    	add_post_meta( $question_id, '_random_order', $random_order );
2418 
+		    	add_post_meta($question_id, '_question_right_answer', $question_right_answer);
2419 
+		    	add_post_meta($question_id, '_right_answer_count', $right_answer_count);
2420 
+		    	add_post_meta($question_id, '_question_wrong_answers', $question_wrong_answers);
2421 
+		    	add_post_meta($question_id, '_wrong_answer_count', $wrong_answer_count);
2422 
+		    	add_post_meta($question_id, '_quiz_question_order'.$quiz_id, $quiz_id.'000'.$question_count);
2423 
+		    	add_post_meta($question_id, '_question_media', $question_media);
2424 
+		    	add_post_meta($question_id, '_answer_order', $answer_order);
2425 
+		    	add_post_meta($question_id, '_random_order', $random_order);
2426 2426 
 				// Don't store empty value, no point
2427 
-				if ( !empty($answer_feedback) ) {
2428 
-					add_post_meta( $question_id, '_answer_feedback', $answer_feedback );
2427 
+				if ( ! empty($answer_feedback)) {
2428 
+					add_post_meta($question_id, '_answer_feedback', $answer_feedback);
2429 2429 
 				}
2430 2430
2431 2431 
 		    	// Set the post terms for question-type
2432 
-			    wp_set_post_terms( $question_id, array( $question_type ), 'question-type' );
2432 
+			    wp_set_post_terms($question_id, array($question_type), 'question-type');
2433 2433
2434 
-			    if( $question_category ) {
2435 
-	    			wp_set_post_terms( $question_id, array( $question_category ), 'question-category' );
2434 
+			    if ($question_category) {
2435 
+	    			wp_set_post_terms($question_id, array($question_category), 'question-category');
2436 2436 
 	    		}
2437 2437
2438 2438 
 		    } // End If Statement
2439 2439 
 		} // End If Statement
2440 2440 
   		// Check that the insert or update saved by testing the post id
2441 
-  		if ( 0 < $question_id ) {
2441 
+  		if (0 < $question_id) {
2442 2442 
   			$return = $question_id;
2443 2443 
   		} // End If Statement
2444 2444 
   		return $return;
 
@@ -2452,20 +2452,20 @@  discard block
 
 block discarded – undo
2452 2452 
 	 * @param array $data (default: array())
2453 2453 
 	 * @return boolean
2454 2454 
 	 */
2455 
-	private function lesson_delete_question( $data = array() ) {
2455 
+	private function lesson_delete_question($data = array()) {
2456 2456
2457 2457 
 		// Get which question to delete
2458 2458 
 		$question_id = 0;
2459 
-		if ( isset( $data[ 'question_id' ] ) && ( 0 < absint( $data[ 'question_id' ] ) ) ) {
2460 
-			$question_id = absint( $data[ 'question_id' ] );
2459 
+		if (isset($data['question_id']) && (0 < absint($data['question_id']))) {
2460 
+			$question_id = absint($data['question_id']);
2461 2461 
 		} // End If Statement
2462 2462 
 		// Delete the question
2463 
-		if ( 0 < $question_id ) {
2464 
-			$quizzes = get_post_meta( $question_id, '_quiz_id', false );
2463 
+		if (0 < $question_id) {
2464 
+			$quizzes = get_post_meta($question_id, '_quiz_id', false);
2465 2465
2466 
-			foreach( $quizzes as $quiz_id ) {
2467 
-				if( $quiz_id == $data['quiz_id'] ) {
2468 
-					delete_post_meta( $question_id, '_quiz_id', $quiz_id );
2466 
+			foreach ($quizzes as $quiz_id) {
2467 
+				if ($quiz_id == $data['quiz_id']) {
2468 
+					delete_post_meta($question_id, '_quiz_id', $quiz_id);
2469 2469 
 				}
2470 2470 
 			}
2471 2471 
 
@@ -2484,9 +2484,9 @@  discard block
 
 block discarded – undo
2484 2484 
 	public function lesson_complexities() {
2485 2485
2486 2486 
 		// V2 - make filter for this array
2487 
-        $lesson_complexities = array( 	'easy' => __( 'Easy', 'woothemes-sensei' ),
2488 
-									'std' => __( 'Standard', 'woothemes-sensei' ),
2489 
-									'hard' => __( 'Hard', 'woothemes-sensei' )
2487 
+        $lesson_complexities = array('easy' => __('Easy', 'woothemes-sensei'),
2488 
+									'std' => __('Standard', 'woothemes-sensei'),
2489 
+									'hard' => __('Hard', 'woothemes-sensei')
2490 2490 
 									);
2491 2491
2492 2492 
 		return $lesson_complexities;
 
@@ -2501,9 +2501,9 @@  discard block
 
 block discarded – undo
2501 2501 
 	 * @param string $post_status (default: 'publish')
2502 2502 
 	 * @return int
2503 2503 
 	 */
2504 
-	public function lesson_count( $post_status = 'publish', $course_id = false ) {
2504 
+	public function lesson_count($post_status = 'publish', $course_id = false) {
2505 2505
2506 
-		$post_args = array(	'post_type'         => 'lesson',
2506 
+		$post_args = array('post_type'         => 'lesson',
2507 2507 
 							'posts_per_page'    => -1,
2508 2508 
 //							'orderby'           => 'menu_order date',
2509 2509 
 //							'order'             => 'ASC',
 
@@ -2511,7 +2511,7 @@  discard block
 
 block discarded – undo
2511 2511 
 							'suppress_filters'  => 0,
2512 2512 
 							'fields'            => 'ids',
2513 2513 
 							);
2514 
-		if( $course_id ) {
2514 
+		if ($course_id) {
2515 2515 
 			$post_args['meta_query'][] = array(
2516 2516 
 				'key' => '_lesson_course',
2517 2517 
 				'value' => $course_id,
 
@@ -2528,10 +2528,10 @@  discard block
 
 block discarded – undo
2528 2528
2529 2529 
 		// Allow WP to generate the complex final query, just shortcut to only do an overall count
2530 2530 
 //		add_filter( 'posts_clauses', array( 'WooThemes_Sensei_Utils', 'get_posts_count_only_filter' ) );
2531 
-		$lessons_query = new WP_Query( apply_filters( 'sensei_lesson_count', $post_args ) );
2531 
+		$lessons_query = new WP_Query(apply_filters('sensei_lesson_count', $post_args));
2532 2532 
 //		remove_filter( 'posts_clauses', array( 'WooThemes_Sensei_Utils', 'get_posts_count_only_filter' ) );
2533 2533
2534 
-		return count( $lessons_query->posts );
2534 
+		return count($lessons_query->posts);
2535 2535 
 	} // End lesson_count()
2536 2536
2537 2537 
 
@@ -2544,11 +2544,11 @@  discard block
 
 block discarded – undo
2544 2544 
 	 * @param string $fields (default: 'ids')
2545 2545 
 	 * @return int $quiz_id
2546 2546 
 	 */
2547 
-	public function lesson_quizzes( $lesson_id = 0, $post_status = 'any', $fields = 'ids' ) {
2547 
+	public function lesson_quizzes($lesson_id = 0, $post_status = 'any', $fields = 'ids') {
2548 2548
2549 2549 
 		$posts_array = array();
2550 2550
2551 
-		$post_args = array(	'post_type' 		=> 'quiz',
2551 
+		$post_args = array('post_type' 		=> 'quiz',
2552 2552 
 							'posts_per_page' 		=> 1,
2553 2553 
 							'orderby'         	=> 'title',
2554 2554 
     						'order'           	=> 'DESC',
 
@@ -2557,7 +2557,7 @@  discard block
 
 block discarded – undo
2557 2557 
 							'suppress_filters' 	=> 0,
2558 2558 
 							'fields'            => $fields
2559 2559 
 							);
2560 
-		$posts_array = get_posts( $post_args );
2560 
+		$posts_array = get_posts($post_args);
2561 2561 
         $quiz_id = array_shift($posts_array);
2562 2562
2563 2563 
 		return $quiz_id;
 
@@ -2580,37 +2580,37 @@  discard block
 
 block discarded – undo
2580 2580 
      *
2581 2581 
 	 * @return array $questions { $question type WP_Post }
2582 2582 
 	 */
2583 
-	public function lesson_quiz_questions( $quiz_id = 0, $post_status = 'any', $orderby = 'meta_value_num title', $order = 'ASC' ) {
2583 
+	public function lesson_quiz_questions($quiz_id = 0, $post_status = 'any', $orderby = 'meta_value_num title', $order = 'ASC') {
2584 2584
2585 2585 
 		$quiz_id = (string) $quiz_id;
2586 
-        $quiz_lesson_id = Sensei()->quiz->get_lesson_id( $quiz_id );
2586 
+        $quiz_lesson_id = Sensei()->quiz->get_lesson_id($quiz_id);
2587 2587
2588 2588 
         // setup the user id
2589 
-        if( is_admin() ) {
2590 
-            $user_id = isset( $_GET['user'] ) ? $_GET['user'] : '' ;
2589 
+        if (is_admin()) {
2590 
+            $user_id = isset($_GET['user']) ? $_GET['user'] : '';
2591 2591 
         } else {
2592 2592 
             $user_id = get_current_user_id();
2593 2593 
         }
2594 2594
2595 2595 
         // get the users current status on the lesson
2596 
-        $user_lesson_status = Sensei_Utils::user_lesson_status( $quiz_lesson_id, $user_id );
2596 
+        $user_lesson_status = Sensei_Utils::user_lesson_status($quiz_lesson_id, $user_id);
2597 2597
2598 2598 
 		// Set the default question order if it has not already been set for this quiz
2599 
-		$this->set_default_question_order( $quiz_id );
2599 
+		$this->set_default_question_order($quiz_id);
2600 2600
2601 2601 
 		// If viewing quiz on the frontend then show questions in random order if set
2602 
-		if ( ! is_admin() ) {
2603 
-			$random_order = get_post_meta( $quiz_id, '_random_question_order', true );
2604 
-			if( $random_order && $random_order == 'yes' ) {
2602 
+		if ( ! is_admin()) {
2603 
+			$random_order = get_post_meta($quiz_id, '_random_question_order', true);
2604 
+			if ($random_order && $random_order == 'yes') {
2605 2605 
 				$orderby = 'rand';
2606 2606 
 			}
2607 2607 
 		}
2608 2608
2609 2609 
 		// Get all questions and multiple questions
2610 2610 
 		$question_query_args = array(
2611 
-			'post_type' 		=> array( 'question', 'multiple_question' ),
2611 
+			'post_type' 		=> array('question', 'multiple_question'),
2612 2612 
 			'posts_per_page' 	=> -1,
2613 
-			'meta_key'        	=> '_quiz_question_order' . $quiz_id,
2613 
+			'meta_key'        	=> '_quiz_question_order'.$quiz_id,
2614 2614 
 			'orderby'         	=> $orderby,
2615 2615 
 			'order'           	=> $order,
2616 2616 
 			'meta_query'		=> array(
 
@@ -2624,7 +2624,7 @@  discard block
 
 block discarded – undo
2624 2624 
 		);
2625 2625
2626 2626 
         //query the questions
2627 
-		$questions_query = new WP_Query( $question_query_args );
2627 
+		$questions_query = new WP_Query($question_query_args);
2628 2628
2629 2629 
         // Set return array to initially include all items
2630 2630 
         $questions = $questions_query->posts;
 
@@ -2634,20 +2634,20 @@  discard block
 
 block discarded – undo
2634 2634
2635 2635 
 		// If viewing quiz on frontend or in grading then only single questions must be shown
2636 2636 
 		$selected_questions = false;
2637 
-		if( ! is_admin() || ( is_admin() && isset( $_GET['page'] ) && 'sensei_grading' == $_GET['page'] && isset( $_GET['user'] ) && isset( $_GET['quiz_id'] ) ) ) {
2637 
+		if ( ! is_admin() || (is_admin() && isset($_GET['page']) && 'sensei_grading' == $_GET['page'] && isset($_GET['user']) && isset($_GET['quiz_id']))) {
2638 2638
2639 2639 
 			// Fetch the questions that the user was asked in their quiz if they have already completed it
2640 
-			$questions_asked_string = !empty( $user_lesson_status->comment_ID) ? get_comment_meta( $user_lesson_status->comment_ID, 'questions_asked', true ) : false;
2641 
-			if( !empty($questions_asked_string) ) {
2640 
+			$questions_asked_string = ! empty($user_lesson_status->comment_ID) ? get_comment_meta($user_lesson_status->comment_ID, 'questions_asked', true) : false;
2641 
+			if ( ! empty($questions_asked_string)) {
2642 2642
2643 
-				$selected_questions = explode( ',', $questions_asked_string );
2643 
+				$selected_questions = explode(',', $questions_asked_string);
2644 2644
2645 2645 
 				// Fetch each question in the order in which they were asked
2646 2646 
 				$questions = array();
2647 
-				foreach( $selected_questions as $question_id ) {
2648 
-					if( ! $question_id ) continue;
2649 
-					$question = get_post( $question_id );
2650 
-					if( ! isset( $question ) || ! isset( $question->ID ) ) continue;
2647 
+				foreach ($selected_questions as $question_id) {
2648 
+					if ( ! $question_id) continue;
2649 
+					$question = get_post($question_id);
2650 
+					if ( ! isset($question) || ! isset($question->ID)) continue;
2651 2651 
 					$questions[] = $question;
2652 2652 
 				}
2653 2653 
 
@@ -2659,24 +2659,24 @@  discard block
 
 block discarded – undo
2659 2659 
 				$existing_questions = array();
2660 2660
2661 2661 
 				// Set array of questions that already exist so we can prevent duplicates from appearing
2662 
-				foreach( $questions_array as $question ) {
2663 
-					if( 'question' != $question->post_type ) continue;
2662 
+				foreach ($questions_array as $question) {
2663 
+					if ('question' != $question->post_type) continue;
2664 2664 
 					$existing_questions[] = $question->ID;
2665 2665 
 				}
2666 2666
2667 2667 
 				// Include only single questions in the return array
2668 2668 
 				$questions_loop = $questions_array;
2669 2669 
 				$questions_array = array();
2670 
-				foreach( $questions_loop as $k => $question ) {
2670 
+				foreach ($questions_loop as $k => $question) {
2671 2671
2672 2672 
 					// If this is a single question then include it
2673 
-					if( 'question' == $question->post_type ) {
2673 
+					if ('question' == $question->post_type) {
2674 2674 
 						$questions_array[] = $question;
2675 2675 
 					} else {
2676 2676
2677 2677 
 						// If this is a multiple question then get the specified amount of questions from the specified category
2678 
-						$question_cat = intval( get_post_meta( $question->ID, 'category', true ) );
2679 
-						$question_number = intval( get_post_meta( $question->ID, 'number', true ) );
2678 
+						$question_cat = intval(get_post_meta($question->ID, 'category', true));
2679 
+						$question_number = intval(get_post_meta($question->ID, 'number', true));
2680 2680
2681 2681 
 						$qargs = array(
2682 2682 
 							'post_type' 		=> 'question',
 
@@ -2693,14 +2693,14 @@  discard block
 
 block discarded – undo
2693 2693 
 							'suppress_filters' 	=> 0,
2694 2694 
 							'post__not_in'		=> $existing_questions,
2695 2695 
 						);
2696 
-						$cat_questions = get_posts( $qargs );
2696 
+						$cat_questions = get_posts($qargs);
2697 2697
2698 2698 
 						// Merge results into return array
2699 
-						$questions_array = array_merge( $questions_array, $cat_questions );
2699 
+						$questions_array = array_merge($questions_array, $cat_questions);
2700 2700
2701 2701 
 						// Add selected questions to existing questions array to prevent duplicates from being added
2702 
-						foreach( $questions_array as $cat_question ) {
2703 
-							if( in_array( $cat_question->ID, $existing_questions ) ) continue;
2702 
+						foreach ($questions_array as $cat_question) {
2703 
+							if (in_array($cat_question->ID, $existing_questions)) continue;
2704 2704 
 							$existing_questions[] = $cat_question->ID;
2705 2705 
 						}
2706 2706 
 					}
 
@@ -2712,29 +2712,29 @@  discard block
 
 block discarded – undo
2712 2712 
 		}
2713 2713
2714 2714 
 		// If user has not already taken the quiz and a limited number of questions are to be shown, then show a random selection of the specified amount of questions
2715 
-		if( ! $selected_questions ) {
2715 
+		if ( ! $selected_questions) {
2716 2716
2717 2717 
 			// Only limit questions like this on the frontend
2718 
-			if( ! is_admin() ) {
2718 
+			if ( ! is_admin()) {
2719 2719
2720 2720 
 				// Get number of questions to show
2721 
-				$show_questions = intval( get_post_meta( $quiz_id, '_show_questions', true ) );
2722 
-				if( $show_questions ) {
2721 
+				$show_questions = intval(get_post_meta($quiz_id, '_show_questions', true));
2722 
+				if ($show_questions) {
2723 2723
2724 2724 
 					// Get random set of array keys from selected questions array
2725 
-					$selected_questions = array_rand( $questions_array, $show_questions );
2725 
+					$selected_questions = array_rand($questions_array, $show_questions);
2726 2726
2727 2727 
 					// Loop through all questions and pick the the ones to be shown based on the random key selection
2728 2728 
 					$questions = array();
2729 
-					foreach( $questions_array as $k => $question ) {
2729 
+					foreach ($questions_array as $k => $question) {
2730 2730
2731 2731 
 						// Random keys will always be an array, unless only one question is to be shown
2732 
-						if( is_array( $selected_questions ) ) {
2733 
-							if( in_array( $k, $selected_questions ) ) {
2732 
+						if (is_array($selected_questions)) {
2733 
+							if (in_array($k, $selected_questions)) {
2734 2734 
 								$questions[] = $question;
2735 2735 
 							}
2736 
-						} elseif( 1 == $show_questions ) {
2737 
-							if ( $selected_questions == $k ) {
2736 
+						} elseif (1 == $show_questions) {
2737 
+							if ($selected_questions == $k) {
2738 2738 
 								$questions[] = $question;
2739 2739 
 							}
2740 2740 
 						}
 
@@ -2745,12 +2745,12 @@  discard block
 
 block discarded – undo
2745 2745
2746 2746 
         // Save the questions that will be asked for the current user
2747 2747 
         // this happens only once per user/quiz, unless the user resets the quiz
2748 
-        if( ! is_admin() ){
2748 
+        if ( ! is_admin()) {
2749 2749
2750 
-            if( $user_lesson_status ) {
2750 
+            if ($user_lesson_status) {
2751 2751
2752 2752 
                 $questions_asked = get_comment_meta($user_lesson_status->comment_ID, 'questions_asked', true);
2753 
-                if ( empty($questions_asked) && $user_lesson_status) {
2753 
+                if (empty($questions_asked) && $user_lesson_status) {
2754 2754
2755 2755 
                     $questions_asked = array();
2756 2756 
                     foreach ($questions as $question) {
 
@@ -2773,7 +2773,7 @@  discard block
 
 block discarded – undo
2773 2773 
          * @hooked Sensei_Teacher::allow_teacher_access_to_questions
2774 2774 
          * @since 1.8.0
2775 2775 
          */
2776 
-		return apply_filters( 'sensei_lesson_quiz_questions', $questions,  $quiz_id  );
2776 
+		return apply_filters('sensei_lesson_quiz_questions', $questions, $quiz_id);
2777 2777
2778 2778 
 	} // End lesson_quiz_questions()
2779 2779 
 
@@ -2781,13 +2781,13 @@  discard block
 
 block discarded – undo
2781 2781 
 	 * Set the default quiz order
2782 2782 
 	 * @param integer $quiz_id ID of quiz
2783 2783 
 	 */
2784 
-	public function set_default_question_order( $quiz_id = 0 ) {
2784 
+	public function set_default_question_order($quiz_id = 0) {
2785 2785
2786 
-		if( $quiz_id ) {
2786 
+		if ($quiz_id) {
2787 2787
2788 
-			$question_order = get_post_meta( $quiz_id, '_question_order', true );
2788 
+			$question_order = get_post_meta($quiz_id, '_question_order', true);
2789 2789
2790 
-			if( ! $question_order ) {
2790 
+			if ( ! $question_order) {
2791 2791
2792 2792 
 				$args = array(
2793 2793 
 					'post_type' 		=> 'question',
 
@@ -2803,11 +2803,11 @@  discard block
 
 block discarded – undo
2803 2803 
 					'post_status'		=> 'any',
2804 2804 
 					'suppress_filters' 	=> 0
2805 2805 
 				);
2806 
-				$questions = get_posts( $args );
2806 
+				$questions = get_posts($args);
2807 2807
2808 2808 
 				$o = 1;
2809 
-				foreach( $questions as $question ) {
2810 
-					add_post_meta( $question->ID, '_quiz_question_order' . $quiz_id, $quiz_id . '000' . $o, true );
2809 
+				foreach ($questions as $question) {
2810 
+					add_post_meta($question->ID, '_quiz_question_order'.$quiz_id, $quiz_id.'000'.$o, true);
2811 2811 
 					$o++;
2812 2812 
 				}
2813 2813 
 			}
 
@@ -2826,36 +2826,36 @@  discard block
 
 block discarded – undo
2826 2826 
 	 * @param string $height (default: '100')
2827 2827 
 	 * @return string
2828 2828 
 	 */
2829 
-	public function lesson_image( $lesson_id = 0, $width = '100', $height = '100', $widget = false ) {
2829 
+	public function lesson_image($lesson_id = 0, $width = '100', $height = '100', $widget = false) {
2830 2830
2831 2831 
 		$html = '';
2832 2832
2833 2833 
 		// Get Width and Height settings
2834 
-		if ( ( $width == '100' ) && ( $height == '100' ) ) {
2834 
+		if (($width == '100') && ($height == '100')) {
2835 2835
2836 
-			if ( is_singular( 'lesson' ) ) {
2836 
+			if (is_singular('lesson')) {
2837 2837
2838 
-				if ( ! $widget && ! Sensei()->settings->settings[ 'lesson_single_image_enable' ] ) {
2838 
+				if ( ! $widget && ! Sensei()->settings->settings['lesson_single_image_enable']) {
2839 2839
2840 2840 
 					return '';
2841 2841
2842 2842 
 				} // End If Statement
2843 2843
2844 2844 
 				$image_thumb_size = 'lesson_single_image';
2845 
-				$dimensions = Sensei()->get_image_size( $image_thumb_size );
2845 
+				$dimensions = Sensei()->get_image_size($image_thumb_size);
2846 2846 
 				$width = $dimensions['width'];
2847 2847 
 				$height = $dimensions['height'];
2848 2848 
 				$crop = $dimensions['crop'];
2849 2849
2850 2850 
 			} else {
2851 2851
2852 
-				if ( ! $widget && ! Sensei()->settings->settings[ 'course_lesson_image_enable' ] ) {
2852 
+				if ( ! $widget && ! Sensei()->settings->settings['course_lesson_image_enable']) {
2853 2853
2854 2854 
 					return '';
2855 2855 
 				} // End If Statement
2856 2856
2857 2857 
 				$image_thumb_size = 'lesson_archive_image';
2858 
-				$dimensions = Sensei()->get_image_size( $image_thumb_size );
2858 
+				$dimensions = Sensei()->get_image_size($image_thumb_size);
2859 2859 
 				$width = $dimensions['width'];
2860 2860 
 				$height = $dimensions['height'];
2861 2861 
 				$crop = $dimensions['crop'];
 
@@ -2866,23 +2866,23 @@  discard block
 
 block discarded – undo
2866 2866
2867 2867 
 		$img_url = '';
2868 2868
2869 
-		if ( has_post_thumbnail( $lesson_id ) ) {
2869 
+		if (has_post_thumbnail($lesson_id)) {
2870 2870
2871 2871 
    			// Get Featured Image
2872 
-   			$img_url = get_the_post_thumbnail( $lesson_id, array( $width, $height ), array( 'class' => 'woo-image thumbnail alignleft') );
2872 
+   			$img_url = get_the_post_thumbnail($lesson_id, array($width, $height), array('class' => 'woo-image thumbnail alignleft'));
2873 2873
2874 2874 
  		} else {
2875 2875
2876 2876 
  			// Display Image Placeholder if none
2877 
-			if ( Sensei()->settings->settings[ 'placeholder_images_enable' ] ) {
2877 
+			if (Sensei()->settings->settings['placeholder_images_enable']) {
2878 2878
2879 
-                $img_url = apply_filters( 'sensei_lesson_placeholder_image_url', '<img src="http://placehold.it/' . $width . 'x' . $height . '" class="woo-image thumbnail alignleft" />' );
2879 
+                $img_url = apply_filters('sensei_lesson_placeholder_image_url', '<img src="http://placehold.it/'.$width.'x'.$height.'" class="woo-image thumbnail alignleft" />');
2880 2880
2881 2881 
 			} // End If Statement
2882 2882
2883 2883 
 		} // End If Statement
2884 2884
2885 
-		$html .= '<a href="' . get_permalink( $lesson_id ) . '" title="' . esc_attr( get_post_field( 'post_title', $lesson_id ) ) . '">' . $img_url . '</a>';
2885 
+		$html .= '<a href="'.get_permalink($lesson_id).'" title="'.esc_attr(get_post_field('post_title', $lesson_id)).'">'.$img_url.'</a>';
2886 2886
2887 2887 
 		return $html;
2888 2888 
 
@@ -2894,9 +2894,9 @@  discard block
 
 block discarded – undo
2894 2894 
      * @since 1.9.0
2895 2895 
      * @param integer $lesson_id
2896 2896 
      */
2897 
-    public static function the_lesson_image( $lesson_id = 0 ){
2897 
+    public static function the_lesson_image($lesson_id = 0) {
2898 2898
2899 
-        echo Sensei()->lesson->lesson_image( $lesson_id );
2899 
+        echo Sensei()->lesson->lesson_image($lesson_id);
2900 2900
2901 2901 
     }
2902 2902 
 
@@ -2907,17 +2907,17 @@  discard block
 
 block discarded – undo
2907 2907 
      * @param bool $add_p_tags should the excerpt be wrapped by calling wpautop()
2908 2908 
 	 * @return string
2909 2909 
 	 */
2910 
-	public static function lesson_excerpt( $lesson = null, $add_p_tags = true ) {
2910 
+	public static function lesson_excerpt($lesson = null, $add_p_tags = true) {
2911 2911 
 		$html = '';
2912 
-		if ( is_a( $lesson, 'WP_Post' ) && 'lesson' == $lesson->post_type ) {
2912 
+		if (is_a($lesson, 'WP_Post') && 'lesson' == $lesson->post_type) {
2913 2913
2914 
-            $excerpt =  $lesson->post_excerpt;
2914 
+            $excerpt = $lesson->post_excerpt;
2915 2915
2916 2916 
             // if $add_p_tags true wrap with <p> else return the excerpt as is
2917 
-            $html =  $add_p_tags ? wpautop( $excerpt ) : $excerpt;
2917 
+            $html = $add_p_tags ? wpautop($excerpt) : $excerpt;
2918 2918
2919 2919 
 		}
2920 
-		return apply_filters( 'sensei_lesson_excerpt', $html );
2920 
+		return apply_filters('sensei_lesson_excerpt', $html);
2921 2921
2922 2922 
 	} // End lesson_excerpt()
2923 2923 
 
@@ -2930,20 +2930,20 @@  discard block
 
 block discarded – undo
2930 2930 
      * @param int $lesson_id
2931 2931 
      * @return int|bool $course_id or bool when nothing is found.
2932 2932 
      */
2933 
-     public function get_course_id( $lesson_id ){
2933 
+     public function get_course_id($lesson_id) {
2934 2934
2935 
-         if( ! isset( $lesson_id ) || empty( $lesson_id )
2936 
-         ||  'lesson' != get_post_type( $lesson_id ) ){
2935 
+         if ( ! isset($lesson_id) || empty($lesson_id)
2936 
+         ||  'lesson' != get_post_type($lesson_id)) {
2937 2937 
              return false;
2938 2938 
          }
2939 2939
2940 
-         $lesson_course_id = get_post_meta( $lesson_id, '_lesson_course', true);
2940 
+         $lesson_course_id = get_post_meta($lesson_id, '_lesson_course', true);
2941 2941
2942 2942 
          // make sure the course id is valid
2943 
-         if( empty( $lesson_course_id )
2944 
-             || is_array( $lesson_course_id )
2945 
-             || intval( $lesson_course_id ) < 1
2946 
-             || 'course' != get_post_type( $lesson_course_id ) ){
2943 
+         if (empty($lesson_course_id)
2944 
+             || is_array($lesson_course_id)
2945 
+             || intval($lesson_course_id) < 1
2946 
+             || 'course' != get_post_type($lesson_course_id)) {
2947 2947
2948 2948 
              return false;
2949 2949 
 
@@ -2970,11 +2970,11 @@  discard block
 
 block discarded – undo
2970 2970 
      * @param string $post_type
2971 2971 
      * @return void
2972 2972 
      */
2973 
-    public function all_lessons_edit_fields( $column_name, $post_type ) {
2973 
+    public function all_lessons_edit_fields($column_name, $post_type) {
2974 2974
2975 2975 
         // only show these options ont he lesson post type edit screen
2976 
-        if( 'lesson' != $post_type || 'lesson-course' != $column_name
2977 
-            || ! current_user_can( 'edit_lessons' ) ) {
2976 
+        if ('lesson' != $post_type || 'lesson-course' != $column_name
2977 
+            || ! current_user_can('edit_lessons')) {
2978 2978 
             return;
2979 2979 
         }
2980 2980 
 
@@ -2982,41 +2982,41 @@  discard block
 
 block discarded – undo
2982 2982 
         <fieldset class="sensei-edit-field-set inline-edit-lesson">
2983 2983 
             <div class="sensei-inline-edit-col column-<?php echo $column_name ?>">
2984 2984 
                     <?php
2985 
-                    echo '<h4>' . __('Lesson Information', 'woothemes-sensei') . '</h4>';
2985 
+                    echo '<h4>'.__('Lesson Information', 'woothemes-sensei').'</h4>';
2986 2986 
                     // create a nonce field to be  used as a security measure when saving the data
2987 
-                    wp_nonce_field( 'bulk-edit-lessons', '_edit_lessons_nonce' );
2988 
-                    wp_nonce_field( 'sensei-save-post-meta','woo_' . $this->token . '_nonce'  );
2987 
+                    wp_nonce_field('bulk-edit-lessons', '_edit_lessons_nonce');
2988 
+                    wp_nonce_field('sensei-save-post-meta', 'woo_'.$this->token.'_nonce');
2989 2989
2990 2990 
                     // unchanged option - we need this in because
2991 2991 
                     // the default option in bulk edit should not be empty. If it is
2992 2992 
                     // the user will erase data they didn't want to touch.
2993 
-                    $no_change_text = '-- ' . __('No Change', 'woothemes-sensei') . ' --';
2993 
+                    $no_change_text = '-- '.__('No Change', 'woothemes-sensei').' --';
2994 2994
2995 2995 
                     //
2996 2996 
                     //course selection
2997 2997 
                     //
2998 
-                    $courses =  WooThemes_Sensei_Course::get_all_courses();
2998 
+                    $courses = WooThemes_Sensei_Course::get_all_courses();
2999 2999 
                     $course_options = array();
3000 
-                    if ( count( $courses ) > 0 ) {
3001 
-                        foreach ($courses as $course ){
3002 
-                            $course_options[ $course->ID ] = get_the_title( $course->ID );
3000 
+                    if (count($courses) > 0) {
3001 
+                        foreach ($courses as $course) {
3002 
+                            $course_options[$course->ID] = get_the_title($course->ID);
3003 3003 
                         }
3004 3004 
                     }
3005 3005 
                     //pre-append the no change option
3006 
-                    $course_options['-1']=  $no_change_text;
3007 
-                    $course_attributes = array( 'name'=> 'lesson_course', 'id'=>'sensei-edit-lesson-course' , 'class'=>' ' );
3008 
-                    $course_field =  Sensei_Utils::generate_drop_down( '-1', $course_options, $course_attributes );
3009 
-                    echo $this->generate_all_lessons_edit_field( __('Lesson Course', 'woothemes-sensei'),   $course_field  );
3006 
+                    $course_options['-1'] = $no_change_text;
3007 
+                    $course_attributes = array('name'=> 'lesson_course', 'id'=>'sensei-edit-lesson-course', 'class'=>' ');
3008 
+                    $course_field = Sensei_Utils::generate_drop_down('-1', $course_options, $course_attributes);
3009 
+                    echo $this->generate_all_lessons_edit_field(__('Lesson Course', 'woothemes-sensei'), $course_field);
3010 3010
3011 3011 
                     //
3012 3012 
                     // lesson complexity selection
3013 3013 
                     //
3014 
-                    $lesson_complexities =  $this->lesson_complexities();
3014 
+                    $lesson_complexities = $this->lesson_complexities();
3015 3015 
                     //pre-append the no change option
3016 
-                    $lesson_complexities['-1']=  $no_change_text;
3017 
-                    $complexity_dropdown_attributes = array( 'name'=> 'lesson_complexity', 'id'=>'sensei-edit-lesson-complexity' , 'class'=>' ');
3018 
-                    $complexity_filed =  Sensei_Utils::generate_drop_down( '-1', $lesson_complexities, $complexity_dropdown_attributes );
3019 
-                    echo $this->generate_all_lessons_edit_field( __('Lesson Complexity', 'woothemes-sensei'),   $complexity_filed  );
3016 
+                    $lesson_complexities['-1'] = $no_change_text;
3017 
+                    $complexity_dropdown_attributes = array('name'=> 'lesson_complexity', 'id'=>'sensei-edit-lesson-complexity', 'class'=>' ');
3018 
+                    $complexity_filed = Sensei_Utils::generate_drop_down('-1', $lesson_complexities, $complexity_dropdown_attributes);
3019 
+                    echo $this->generate_all_lessons_edit_field(__('Lesson Complexity', 'woothemes-sensei'), $complexity_filed);
3020 3020
3021 3021 
                     ?>
3022 3022 
 
@@ -3029,34 +3029,34 @@  discard block
 
 block discarded – undo
3029 3029 
                     //
3030 3030 
                     $pass_required_options = array(
3031 3031 
                         '-1' => $no_change_text,
3032 
-                         '0' => __('No','woothemes'),
3033 
-                         '1' => __('Yes','woothemes'),
3032 
+                         '0' => __('No', 'woothemes'),
3033 
+                         '1' => __('Yes', 'woothemes'),
3034 3034 
                     );
3035 3035
3036 
-                    $pass_required_select_attributes = array( 'name'=> 'pass_required',
3036 
+                    $pass_required_select_attributes = array('name'=> 'pass_required',
3037 3037 
                                                                 'id'=> 'sensei-edit-lesson-pass-required',
3038 
-                                                                'class'=>' '   );
3039 
-                    $require_pass_field =  Sensei_Utils::generate_drop_down( '-1', $pass_required_options, $pass_required_select_attributes, false );
3040 
-                    echo $this->generate_all_lessons_edit_field( __('Pass required', 'woothemes-sensei'),   $require_pass_field  );
3038 
+                                                                'class'=>' ');
3039 
+                    $require_pass_field = Sensei_Utils::generate_drop_down('-1', $pass_required_options, $pass_required_select_attributes, false);
3040 
+                    echo $this->generate_all_lessons_edit_field(__('Pass required', 'woothemes-sensei'), $require_pass_field);
3041 3041
3042 3042 
                     //
3043 3043 
                     // Quiz pass percentage
3044 3044 
                     //
3045 3045 
                     $quiz_pass_percentage_field = '<input name="quiz_passmark" id="sensei-edit-quiz-pass-percentage" type="number" />';
3046 
-                    echo $this->generate_all_lessons_edit_field( __('Pass Percentage', 'woothemes-sensei'), $quiz_pass_percentage_field  );
3046 
+                    echo $this->generate_all_lessons_edit_field(__('Pass Percentage', 'woothemes-sensei'), $quiz_pass_percentage_field);
3047 3047
3048 3048 
                     //
3049 3049 
                     // Enable quiz reset button
3050 3050 
                     //
3051 3051 
                     $quiz_reset_select__options = array(
3052 3052 
                         '-1' => $no_change_text,
3053 
-                        '0' => __('No','woothemes'),
3054 
-                        '1' => __('Yes','woothemes'),
3053 
+                        '0' => __('No', 'woothemes'),
3054 
+                        '1' => __('Yes', 'woothemes'),
3055 3055 
                     );
3056 3056 
                     $quiz_reset_name_id = 'sensei-edit-enable-quiz-reset';
3057 
-                    $quiz_reset_select_attributes = array( 'name'=> 'enable_quiz_reset', 'id'=>$quiz_reset_name_id, 'class'=>' ' );
3058 
-                    $quiz_reset_field =  Sensei_Utils::generate_drop_down( '-1', $quiz_reset_select__options, $quiz_reset_select_attributes, false );
3059 
-                    echo $this->generate_all_lessons_edit_field( __('Enable quiz reset button', 'woothemes-sensei'), $quiz_reset_field  );
3057 
+                    $quiz_reset_select_attributes = array('name'=> 'enable_quiz_reset', 'id'=>$quiz_reset_name_id, 'class'=>' ');
3058 
+                    $quiz_reset_field = Sensei_Utils::generate_drop_down('-1', $quiz_reset_select__options, $quiz_reset_select_attributes, false);
3059 
+                    echo $this->generate_all_lessons_edit_field(__('Enable quiz reset button', 'woothemes-sensei'), $quiz_reset_field);
3060 3060
3061 3061 
                     ?>
3062 3062 
             </div>
 
@@ -3075,17 +3075,17 @@  discard block
 
 block discarded – undo
3075 3075 
      * @param string $field type markup for the field that must be wrapped.
3076 3076 
      * @return string $field_html
3077 3077 
      */
3078 
-    public function generate_all_lessons_edit_field( $title  ,$field ){
3078 
+    public function generate_all_lessons_edit_field($title, $field) {
3079 3079
3080 3080 
         $html = '';
3081 3081 
         $html = '<div class="inline-edit-group" >';
3082 
-        $html .=  '<span class="title">'. $title .'</span> ';
3082 
+        $html .= '<span class="title">'.$title.'</span> ';
3083 3083 
         $html .= '<span class="input-text-wrap">';
3084 3084 
         $html .= $field;
3085 3085 
         $html .= '</span>';
3086 3086 
         $html .= '</label></div>';
3087 3087
3088 
-        return $html ;
3088 
+        return $html;
3089 3089
3090 3090 
     }//end generate_all_lessons_edit_field
3091 3091 
 
@@ -3099,48 +3099,48 @@  discard block
 
 block discarded – undo
3099 3099 
     function save_all_lessons_edit_fields() {
3100 3100
3101 3101 
         // verify all the data before attempting to save
3102 
-        if( ! isset( $_POST['security'] ) || ! check_ajax_referer( 'bulk-edit-lessons', 'security' )
3103 
-            ||  empty( $_POST[ 'post_ids' ] )  || ! is_array( $_POST[ 'post_ids' ] ) ) {
3102 
+        if ( ! isset($_POST['security']) || ! check_ajax_referer('bulk-edit-lessons', 'security')
3103 
+            ||  empty($_POST['post_ids']) || ! is_array($_POST['post_ids'])) {
3104 3104 
             die();
3105 3105 
         }
3106 3106
3107 3107 
         // get our variables
3108 
-        $new_course = sanitize_text_field(  $_POST['sensei_edit_lesson_course'] );
3109 
-        $new_complexity = sanitize_text_field(  $_POST['sensei_edit_complexity'] );
3110 
-        $new_pass_required = sanitize_text_field(  $_POST['sensei_edit_pass_required'] );
3111 
-        $new_pass_percentage = sanitize_text_field(  $_POST['sensei_edit_pass_percentage'] );
3112 
-        $new_enable_quiz_reset = sanitize_text_field(  $_POST['sensei_edit_enable_quiz_reset'] );
3108 
+        $new_course = sanitize_text_field($_POST['sensei_edit_lesson_course']);
3109 
+        $new_complexity = sanitize_text_field($_POST['sensei_edit_complexity']);
3110 
+        $new_pass_required = sanitize_text_field($_POST['sensei_edit_pass_required']);
3111 
+        $new_pass_percentage = sanitize_text_field($_POST['sensei_edit_pass_percentage']);
3112 
+        $new_enable_quiz_reset = sanitize_text_field($_POST['sensei_edit_enable_quiz_reset']);
3113 3113 
         // store the values for all selected posts
3114 
-        foreach( $_POST[ 'post_ids' ] as $lesson_id ) {
3114 
+        foreach ($_POST['post_ids'] as $lesson_id) {
3115 3115
3116 3116 
             // get the quiz id needed for the quiz meta
3117 
-            $quiz_id = Sensei()->lesson->lesson_quizzes( $lesson_id );
3117 
+            $quiz_id = Sensei()->lesson->lesson_quizzes($lesson_id);
3118 3118
3119 3119 
             // do not save the items if the value is -1 as this
3120 3120 
             // means it was not changed
3121 3121
3122 3122 
             // update lesson course
3123 
-            if( -1 != $new_course ){
3124 
-                update_post_meta( $lesson_id, '_lesson_course', $new_course );
3123 
+            if ( -1 != $new_course ) {
3124 
+                update_post_meta($lesson_id, '_lesson_course', $new_course);
3125 3125 
             }
3126 3126 
             // update lesson complexity
3127 
-            if( -1 != $new_complexity ){
3128 
-                update_post_meta( $lesson_id, '_lesson_complexity', $new_complexity );
3127 
+            if ( -1 != $new_complexity ) {
3128 
+                update_post_meta($lesson_id, '_lesson_complexity', $new_complexity);
3129 3129 
             }
3130 3130
3131 3131 
             // Quiz Related settings
3132 
-            if( isset( $quiz_id) && 0 < intval( $quiz_id ) ) {
3132 
+            if (isset($quiz_id) && 0 < intval($quiz_id)) {
3133 3133
3134 3134 
                 // update pass required
3135 3135 
                 if (-1 != $new_pass_required) {
3136 3136
3137 
-                    $checked = $new_pass_required  ? 'on' : '';
3137 
+                    $checked = $new_pass_required ? 'on' : '';
3138 3138 
                     update_post_meta($quiz_id, '_pass_required', $checked);
3139 
-                    unset( $checked );
3139 
+                    unset($checked);
3140 3140 
                 }
3141 3141
3142 3142 
                 // update pass percentage
3143 
-                if( !empty( $new_pass_percentage) && is_numeric( $new_pass_percentage ) ){
3143 
+                if ( ! empty($new_pass_percentage) && is_numeric($new_pass_percentage)) {
3144 3144
3145 3145 
                         update_post_meta($quiz_id, '_quiz_passmark', $new_pass_percentage);
3146 3146 
 
@@ -3151,9 +3151,9 @@  discard block
 
 block discarded – undo
3151 3151 
                 //
3152 3152 
                 if (-1 != $new_enable_quiz_reset ) {
3153 3153
3154 
-                    $checked = $new_enable_quiz_reset ? 'on' : ''  ;
3154 
+                    $checked = $new_enable_quiz_reset ? 'on' : '';
3155 3155 
                     update_post_meta($quiz_id, '_enable_quiz_reset', $checked);
3156 
-                    unset( $checked );
3156 
+                    unset($checked);
3157 3157
3158 3158 
                 }
3159 3159 
 
@@ -3177,31 +3177,31 @@  discard block
 
 block discarded – undo
3177 3177 
      * @since 1.8.0
3178 3178 
      * @return void
3179 3179 
      */
3180 
-    public function set_quick_edit_admin_defaults( $column_name, $post_id ){
3180 
+    public function set_quick_edit_admin_defaults($column_name, $post_id) {
3181 3181
3182 
-        if( 'lesson-course' != $column_name ){
3182 
+        if ('lesson-course' != $column_name) {
3183 3183 
             return;
3184 3184 
         }
3185 3185 
         // load the script
3186 
-        $suffix = defined( 'SCRIPT_DEBUG') && SCRIPT_DEBUG ? '' : '.min';
3187 
-        wp_enqueue_script( 'sensei-lesson-quick-edit', Sensei()->plugin_url . 'assets/js/admin/lesson-quick-edit' . $suffix . '.js', array( 'jquery' ), Sensei()->version, true );
3186 
+        $suffix = defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ? '' : '.min';
3187 
+        wp_enqueue_script('sensei-lesson-quick-edit', Sensei()->plugin_url.'assets/js/admin/lesson-quick-edit'.$suffix.'.js', array('jquery'), Sensei()->version, true);
3188 3188
3189 3189 
         // setup the values for all meta fields
3190 3190 
         $data = array();
3191 
-        foreach( $this->meta_fields as $field ){
3191 
+        foreach ($this->meta_fields as $field) {
3192 3192
3193 
-            $data[$field] =  get_post_meta( $post_id, '_'.$field, true );
3193 
+            $data[$field] = get_post_meta($post_id, '_'.$field, true);
3194 3194
3195 3195 
         }
3196 3196 
         // add quiz meta fields
3197 
-        $quiz_id = Sensei()->lesson->lesson_quizzes( $post_id );
3198 
-        foreach( Sensei()->quiz->meta_fields as $field ){
3197 
+        $quiz_id = Sensei()->lesson->lesson_quizzes($post_id);
3198 
+        foreach (Sensei()->quiz->meta_fields as $field) {
3199 3199
3200 
-            $data[$field] =  get_post_meta( $quiz_id, '_'.$field, true );
3200 
+            $data[$field] = get_post_meta($quiz_id, '_'.$field, true);
3201 3201
3202 3202 
         }
3203 3203
3204 
-        wp_localize_script( 'sensei-lesson-quick-edit', 'sensei_quick_edit_'.$post_id, $data );
3204 
+        wp_localize_script('sensei-lesson-quick-edit', 'sensei_quick_edit_'.$post_id, $data);
3205 3205
3206 3206 
     }// end quick edit admin defaults
3207 3207 
 
@@ -3214,19 +3214,19 @@  discard block
 
 block discarded – undo
3214 3214 
      * @param array $classes
3215 3215 
      * @return array $classes
3216 3216 
      */
3217 
-    public static function single_course_lessons_classes( $classes ){
3217 
+    public static function single_course_lessons_classes($classes) {
3218 3218
3219 
-        if(  is_singular('course') ){
3219 
+        if (is_singular('course')) {
3220 3220
3221 3221 
             global $post;
3222 3222 
             $course_id = $post->ID;
3223 3223
3224 
-            $lesson_classes = array( 'course', 'post' );
3225 
-            if ( is_user_logged_in() ) {
3224 
+            $lesson_classes = array('course', 'post');
3225 
+            if (is_user_logged_in()) {
3226 3226
3227 3227 
                 // Check if Lesson is complete
3228 
-                $single_lesson_complete = Sensei_Utils::user_completed_lesson( get_the_ID(), get_current_user_id() );
3229 
-                if ( $single_lesson_complete ) {
3228 
+                $single_lesson_complete = Sensei_Utils::user_completed_lesson(get_the_ID(), get_current_user_id());
3229 
+                if ($single_lesson_complete) {
3230 3230
3231 3231 
                     $lesson_classes[] = 'lesson-completed';
3232 3232 
 
@@ -3234,14 +3234,14 @@  discard block
 
 block discarded – undo
3234 3234
3235 3235 
             } // End If Statement
3236 3236
3237 
-            $is_user_taking_course = Sensei_Utils::user_started_course( $course_id, get_current_user_id() );
3238 
-            if (  Sensei_Utils::is_preview_lesson( get_the_ID() ) && !$is_user_taking_course ) {
3237 
+            $is_user_taking_course = Sensei_Utils::user_started_course($course_id, get_current_user_id());
3238 
+            if (Sensei_Utils::is_preview_lesson(get_the_ID()) && ! $is_user_taking_course) {
3239 3239
3240 3240 
                 $lesson_classes[] = 'lesson-preview';
3241 3241
3242 3242 
             }
3243 3243
3244 
-            $classes = array_merge( $classes, $lesson_classes  );
3244 
+            $classes = array_merge($classes, $lesson_classes);
3245 3245
3246 3246 
         }
3247 3247 
 
@@ -3255,56 +3255,56 @@  discard block
 
 block discarded – undo
3255 3255 
      * @since 1.9.0
3256 3256 
      * @param $lesson_id
3257 3257 
      */
3258 
-    public static function the_lesson_meta( $lesson_id ){
3258 
+    public static function the_lesson_meta($lesson_id) {
3259 3259
3260 3260 
         global $wp_query;
3261 3261 
         $loop_lesson_number = $wp_query->current_post + 1;
3262 3262
3263 
-        $course_id = Sensei()->lesson->get_course_id( $lesson_id );
3263 
+        $course_id = Sensei()->lesson->get_course_id($lesson_id);
3264 3264 
         $single_lesson_complete = false;
3265 
-        $is_user_taking_course = Sensei_Utils::user_started_course( $course_id, get_current_user_id() );
3265 
+        $is_user_taking_course = Sensei_Utils::user_started_course($course_id, get_current_user_id());
3266 3266
3267 3267 
         // Get Lesson data
3268 3268 
         $complexity_array = Sensei()->lesson->lesson_complexities();
3269 3269
3270 
-        $lesson_complexity = get_post_meta( $lesson_id, '_lesson_complexity', true );
3271 
-        if ( '' != $lesson_complexity ) {
3270 
+        $lesson_complexity = get_post_meta($lesson_id, '_lesson_complexity', true);
3271 
+        if ('' != $lesson_complexity) {
3272 3272
3273 3273 
             $lesson_complexity = $complexity_array[$lesson_complexity];
3274 3274
3275 3275 
         }
3276 
-        $user_info = get_userdata( absint( get_post()->post_author ) );
3277 
-        $is_preview = Sensei_Utils::is_preview_lesson( $lesson_id);
3276 
+        $user_info = get_userdata(absint(get_post()->post_author));
3277 
+        $is_preview = Sensei_Utils::is_preview_lesson($lesson_id);
3278 3278 
         $preview_label = '';
3279 
-        if ( $is_preview && !$is_user_taking_course ) {
3279 
+        if ($is_preview && ! $is_user_taking_course) {
3280 3280
3281 
-            $preview_label = Sensei()->frontend->sensei_lesson_preview_title_text( $lesson_id);
3282 
-            $preview_label = '<span class="preview-heading">' . $preview_label . '</span>';
3281 
+            $preview_label = Sensei()->frontend->sensei_lesson_preview_title_text($lesson_id);
3282 
+            $preview_label = '<span class="preview-heading">'.$preview_label.'</span>';
3283 3283
3284 3284 
         }
3285 3285
3286 3286
3287 
-        $count_markup= '';
3287 
+        $count_markup = '';
3288 3288 
         /**
3289 3289 
          * Filter for if you want the $lesson_count to show next to the lesson.
3290 3290 
          *
3291 3291 
          * @since 1.0
3292 3292 
          * @param bool default false.
3293 3293 
          */
3294 
-        if( apply_filters( 'sensei_show_lesson_numbers', false ) ) {
3294 
+        if (apply_filters('sensei_show_lesson_numbers', false)) {
3295 3295
3296 
-            $count_markup =  '<span class="lesson-number">' . $loop_lesson_number. '</span>';
3296 
+            $count_markup = '<span class="lesson-number">'.$loop_lesson_number.'</span>';
3297 3297
3298 3298 
         }
3299 3299
3300 
-        $heading_link_title = sprintf( __( 'Start %s', 'woothemes-sensei' ), get_the_title( $lesson_id ) );
3300 
+        $heading_link_title = sprintf(__('Start %s', 'woothemes-sensei'), get_the_title($lesson_id));
3301 3301
3302 3302 
         ?>
3303 3303 
         <header>
3304 3304 
             <h2>
3305 
-                <a href="<?php echo esc_url_raw( get_permalink( $lesson_id ) ) ?>"
3306 
-                   title="<?php esc_attr_e( $heading_link_title ) ?>" >
3307 
-                    <?php echo $count_markup. get_the_title( $lesson_id ) . $preview_label; ?>
3305 
+                <a href="<?php echo esc_url_raw(get_permalink($lesson_id)) ?>"
3306 
+                   title="<?php esc_attr_e($heading_link_title) ?>" >
3307 
+                    <?php echo $count_markup.get_the_title($lesson_id).$preview_label; ?>
3308 3308 
                 </a>
3309 3309 
             </h2>
3310 3310 
 
@@ -3313,33 +3313,33 @@  discard block
 
 block discarded – undo
3313 3313 
                 <?php
3314 3314
3315 3315 
                 $meta_html = '';
3316 
-                $user_lesson_status = Sensei_Utils::user_lesson_status( get_the_ID(), get_current_user_id() );
3316 
+                $user_lesson_status = Sensei_Utils::user_lesson_status(get_the_ID(), get_current_user_id());
3317 3317
3318 
-                $lesson_length = get_post_meta( $lesson_id, '_lesson_length', true );
3319 
-                if ( '' != $lesson_length ) {
3318 
+                $lesson_length = get_post_meta($lesson_id, '_lesson_length', true);
3319 
+                if ('' != $lesson_length) {
3320 3320
3321 
-                    $meta_html .= '<span class="lesson-length">' .  __( 'Length: ', 'woothemes-sensei' ) . $lesson_length . __( ' minutes', 'woothemes-sensei' ) . '</span>';
3321 
+                    $meta_html .= '<span class="lesson-length">'.__('Length: ', 'woothemes-sensei').$lesson_length.__(' minutes', 'woothemes-sensei').'</span>';
3322 3322
3323 3323 
                 }
3324 3324
3325 
-                if ( Sensei()->settings->get( 'lesson_author' ) ) {
3325 
+                if (Sensei()->settings->get('lesson_author')) {
3326 3326
3327 
-                    $meta_html .= '<span class="lesson-author">' .  __( 'Author: ', 'woothemes-sensei' ) . '<a href="' . get_author_posts_url( absint( get_post()->post_author ) ) . '" title="' . esc_attr( $user_info->display_name ) . '">' . esc_html( $user_info->display_name ) . '</a></span>';
3327 
+                    $meta_html .= '<span class="lesson-author">'.__('Author: ', 'woothemes-sensei').'<a href="'.get_author_posts_url(absint(get_post()->post_author)).'" title="'.esc_attr($user_info->display_name).'">'.esc_html($user_info->display_name).'</a></span>';
3328 3328
3329 3329 
                 } // End If Statement
3330 
-                if ( '' != $lesson_complexity ) {
3330 
+                if ('' != $lesson_complexity) {
3331 3331
3332 
-                    $meta_html .= '<span class="lesson-complexity">' .  __( 'Complexity: ', 'woothemes-sensei' ) . $lesson_complexity .'</span>';
3332 
+                    $meta_html .= '<span class="lesson-complexity">'.__('Complexity: ', 'woothemes-sensei').$lesson_complexity.'</span>';
3333 3333
3334 3334 
                 }
3335 3335
3336 
-                if ( $single_lesson_complete ) {
3336 
+                if ($single_lesson_complete) {
3337 3337
3338 
-                    $meta_html .= '<span class="lesson-status complete">' .__( 'Complete', 'woothemes-sensei' ) .'</span>';
3338 
+                    $meta_html .= '<span class="lesson-status complete">'.__('Complete', 'woothemes-sensei').'</span>';
3339 3339
3340 
-                } elseif ( $user_lesson_status ) {
3340 
+                } elseif ($user_lesson_status) {
3341 3341
3342 
-                    $meta_html .= '<span class="lesson-status in-progress">' . __( 'In Progress', 'woothemes-sensei' ) .'</span>';
3342 
+                    $meta_html .= '<span class="lesson-status in-progress">'.__('In Progress', 'woothemes-sensei').'</span>';
3343 3343
3344 3344 
                 } // End If Statement
3345 3345 
 
@@ -3362,19 +3362,19 @@  discard block
 
 block discarded – undo
3362 3362 
      *
3363 3363 
      * @param $lesson_id
3364 3364 
      */
3365 
-    public static function the_lesson_thumbnail( $lesson_id ){
3365 
+    public static function the_lesson_thumbnail($lesson_id) {
3366 3366
3367 
-        if( empty( $lesson_id ) ){
3367 
+        if (empty($lesson_id)) {
3368 3368
3369 3369 
             $lesson_id = get_the_ID();
3370 3370
3371 3371 
         }
3372 3372
3373 
-        if( 'lesson' != get_post_type( $lesson_id ) ){
3373 
+        if ('lesson' != get_post_type($lesson_id)) {
3374 3374 
             return;
3375 3375 
         }
3376 3376
3377 
-        echo Sensei()->lesson->lesson_image( $lesson_id );
3377 
+        echo Sensei()->lesson->lesson_image($lesson_id);
3378 3378 
     }
3379 3379
3380 3380 
 
@@ -3385,14 +3385,14 @@  discard block
 
 block discarded – undo
3385 3385 
      * @param string $excerpt
3386 3386 
      * @return string $excerpt
3387 3387 
      */
3388 
-    public static function alter_the_lesson_excerpt( $excerpt ) {
3388 
+    public static function alter_the_lesson_excerpt($excerpt) {
3389 3389
3390 
-        if ('lesson' == get_post_type(get_the_ID())){
3390 
+        if ('lesson' == get_post_type(get_the_ID())) {
3391 3391
3392 3392 
             // remove this hooks to avoid an infinite loop.
3393 
-            remove_filter( 'get_the_excerpt', array( 'WooThemes_Sensei_Lesson','alter_the_lesson_excerpt') );
3393 
+            remove_filter('get_the_excerpt', array('WooThemes_Sensei_Lesson', 'alter_the_lesson_excerpt'));
3394 3394
3395 
-            return WooThemes_Sensei_Lesson::lesson_excerpt( get_post( get_the_ID() ) );
3395 
+            return WooThemes_Sensei_Lesson::lesson_excerpt(get_post(get_the_ID()));
3396 3396 
         }
3397 3397
3398 3398 
         return $excerpt;
 
@@ -3407,20 +3407,20 @@  discard block
 
 block discarded – undo
3407 3407 
      * @param $current_lesson_id
3408 3408 
      * @return mixed | bool | int $prerequisite_lesson_id or false
3409 3409 
      */
3410 
-    public static function get_lesson_prerequisite_id( $current_lesson_id  ){
3410 
+    public static function get_lesson_prerequisite_id($current_lesson_id) {
3411 3411
3412 
-        $prerequisite_lesson_id = get_post_meta( $current_lesson_id , '_lesson_prerequisite', true );
3412 
+        $prerequisite_lesson_id = get_post_meta($current_lesson_id, '_lesson_prerequisite', true);
3413 3413
3414 3414 
         // set ti to false if not a valid prerequisite lesson id
3415 
-        if(  empty( $prerequisite_lesson_id )
3416 
-            || 'lesson' != get_post_type( $prerequisite_lesson_id )
3417 
-            || $prerequisite_lesson_id == $current_lesson_id  ) {
3415 
+        if (empty($prerequisite_lesson_id)
3416 
+            || 'lesson' != get_post_type($prerequisite_lesson_id)
3417 
+            || $prerequisite_lesson_id == $current_lesson_id) {
3418 3418
3419 3419 
             $prerequisite_lesson_id = false;
3420 3420
3421 3421 
         }
3422 3422
3423 
-        return apply_filters( 'sensei_lesson_prerequisite', $prerequisite_lesson_id, $current_lesson_id );
3423 
+        return apply_filters('sensei_lesson_prerequisite', $prerequisite_lesson_id, $current_lesson_id);
3424 3424
3425 3425 
     }
3426 3426 
 
@@ -3435,27 +3435,27 @@  discard block
 
 block discarded – undo
3435 3435 
      * @param $user_id
3436 3436 
      * @return bool
3437 3437 
      */
3438 
-    public  static function is_prerequisite_complete( $lesson_id, $user_id  ){
3438 
+    public  static function is_prerequisite_complete($lesson_id, $user_id) {
3439 3439
3440 
-        if( empty( $lesson_id ) || empty( $user_id )
3441 
-        || 'lesson' != get_post_type( $lesson_id )
3442 
-        ||  ! is_a( get_user_by( 'id', $user_id ), 'WP_User' )){
3440 
+        if (empty($lesson_id) || empty($user_id)
3441 
+        || 'lesson' != get_post_type($lesson_id)
3442 
+        ||  ! is_a(get_user_by('id', $user_id), 'WP_User')) {
3443 3443
3444 3444 
             return false;
3445 3445
3446 3446 
         }
3447 3447
3448 
-        $pre_requisite_id = (string) self::get_lesson_prerequisite_id( $lesson_id );
3448 
+        $pre_requisite_id = (string) self::get_lesson_prerequisite_id($lesson_id);
3449 3449
3450 3450 
         // not a valid pre-requisite so pre-requisite is completed
3451 
-        if( 'lesson' != get_post_type( $pre_requisite_id )
3452 
-            || ! is_numeric( $pre_requisite_id ) ){
3451 
+        if ('lesson' != get_post_type($pre_requisite_id)
3452 
+            || ! is_numeric($pre_requisite_id)) {
3453 3453
3454 3454 
             return true;
3455 3455
3456 3456 
         }
3457 3457
3458 
-        return  Sensei_Utils::user_completed_lesson( $pre_requisite_id, $user_id );
3458 
+        return  Sensei_Utils::user_completed_lesson($pre_requisite_id, $user_id);
3459 3459
3460 3460 
     }// end is_prerequisite_complete
3461 3461 
 
@@ -3464,20 +3464,20 @@  discard block
 
 block discarded – undo
3464 3464 
      *
3465 3465 
      * @since 1.9.0
3466 3466 
      */
3467 
-    public  static function user_not_taking_course_message(){
3467 
+    public  static function user_not_taking_course_message() {
3468 3468
3469 3469 
         $lesson_id = get_the_ID();
3470 3470
3471 
-        if( 'lesson' != get_post_type( $lesson_id ) ){
3471 
+        if ('lesson' != get_post_type($lesson_id)) {
3472 3472 
             return;
3473 3473 
         }
3474 3474
3475 
-        $is_preview = Sensei_Utils::is_preview_lesson( $lesson_id );
3476 
-        $pre_requisite_complete = self::is_prerequisite_complete( $lesson_id , get_current_user_id() );
3477 
-        $lesson_course_id = get_post_meta( $lesson_id, '_lesson_course', true );
3478 
-        $user_taking_course = Sensei_Utils::user_started_course( $lesson_course_id, get_current_user_id() );
3475 
+        $is_preview = Sensei_Utils::is_preview_lesson($lesson_id);
3476 
+        $pre_requisite_complete = self::is_prerequisite_complete($lesson_id, get_current_user_id());
3477 
+        $lesson_course_id = get_post_meta($lesson_id, '_lesson_course', true);
3478 
+        $user_taking_course = Sensei_Utils::user_started_course($lesson_course_id, get_current_user_id());
3479 3479
3480 
-        if ( $pre_requisite_complete && $is_preview && !$user_taking_course ) {
3480 
+        if ($pre_requisite_complete && $is_preview && ! $user_taking_course) {
3481 3481
3482 3482
3483 3483 
         }// end if
 
@@ -3491,11 +3491,11 @@  discard block
 
 block discarded – undo
3491 3491 
      *
3492 3492 
      * @since 1.9.0
3493 3493 
      */
3494 
-    public static function course_signup_link( ){
3494 
+    public static function course_signup_link( ) {
3495 3495
3496 
-        $course_id =  Sensei()->lesson->get_course_id( get_the_ID() );
3496 
+        $course_id = Sensei()->lesson->get_course_id(get_the_ID());
3497 3497
3498 
-        if ( empty( $course_id ) || 'course' != get_post_type( $course_id ) || sensei_all_access() ) {
3498 
+        if (empty($course_id) || 'course' != get_post_type($course_id) || sensei_all_access()) {
3499 3499
3500 3500 
             return;
3501 3501 
 
@@ -3508,69 +3508,69 @@  discard block
 
 block discarded – undo
3508 3508 
             <?php
3509 3509
3510 3510 
             global $current_user;
3511 
-            $wc_post_id = (int) get_post_meta( $course_id, '_course_woocommerce_product', true );
3511 
+            $wc_post_id = (int) get_post_meta($course_id, '_course_woocommerce_product', true);
3512 3512
3513 
-            if ( Sensei_WC::is_woocommerce_active() && Sensei_WC::is_course_purchasable( $course_id ) ) {
3513 
+            if (Sensei_WC::is_woocommerce_active() && Sensei_WC::is_course_purchasable($course_id)) {
3514 3514
3515 
-                if( is_user_logged_in() && ! Sensei_Utils::user_started_course( $course_id, $current_user->ID )  ) {
3515 
+                if (is_user_logged_in() && ! Sensei_Utils::user_started_course($course_id, $current_user->ID)) {
3516 3516
3517 
-	                    $a_element = '<a href="' . esc_url( get_permalink( $course_id ) ) . '" title="' . __( 'Sign Up', 'woothemes-sensei' )  . '">';
3518 
-	                    $a_element .= __( 'course', 'woothemes-sensei' );
3517 
+	                    $a_element = '<a href="'.esc_url(get_permalink($course_id)).'" title="'.__('Sign Up', 'woothemes-sensei').'">';
3518 
+	                    $a_element .= __('course', 'woothemes-sensei');
3519 3519 
 	                    $a_element .= '</a>';
3520 3520
3521 
-	                    if( Sensei_Utils::is_preview_lesson( get_the_ID()  ) ){
3521 
+	                    if (Sensei_Utils::is_preview_lesson(get_the_ID())) {
3522 3522
3523 
-		                    $message = sprintf( __( 'This is a preview lesson. Please purchase the %1$s before starting the lesson.', 'woothemes-sensei' ), $a_element );
3523 
+		                    $message = sprintf(__('This is a preview lesson. Please purchase the %1$s before starting the lesson.', 'woothemes-sensei'), $a_element);
3524 3524
3525 
-	                    }else{
3525 
+	                    } else {
3526 3526
3527 
-		                    $message = sprintf( __( 'Please purchase the %1$s before starting the lesson.', 'woothemes-sensei' ), $a_element );
3527 
+		                    $message = sprintf(__('Please purchase the %1$s before starting the lesson.', 'woothemes-sensei'), $a_element);
3528 3528
3529 3529 
 	                    }
3530 3530
3531 
-	                    Sensei()->notices->add_notice( $message, 'info' );
3531 
+	                    Sensei()->notices->add_notice($message, 'info');
3532 3532
3533 3533 
                 }
3534 3534
3535 
-	            if( ! is_user_logged_in() ) {
3535 
+	            if ( ! is_user_logged_in()) {
3536 3536
3537 
-	                $a_element = '<a href="' . esc_url( get_permalink( $course_id ) ) . '" title="' . __( 'Sign Up', 'woothemes-sensei' )  . '">';
3538 
-	                $a_element .= __( 'course', 'woothemes-sensei' );
3537 
+	                $a_element = '<a href="'.esc_url(get_permalink($course_id)).'" title="'.__('Sign Up', 'woothemes-sensei').'">';
3538 
+	                $a_element .= __('course', 'woothemes-sensei');
3539 3539 
 	                $a_element .= '</a>';
3540 3540
3541 
-	                if( Sensei_Utils::is_preview_lesson( get_the_ID()  ) ){
3541 
+	                if (Sensei_Utils::is_preview_lesson(get_the_ID())) {
3542 3542
3543 
-						$message = sprintf( __( 'This is a preview lesson. Please purchase the %1$s before starting the lesson.', 'woothemes-sensei' ), $a_element );
3543 
+						$message = sprintf(__('This is a preview lesson. Please purchase the %1$s before starting the lesson.', 'woothemes-sensei'), $a_element);
3544 3544
3545 
-					}else{
3545 
+					} else {
3546 3546
3547 
-						$message = sprintf( __( 'Please purchase the %1$s before starting the lesson.', 'woothemes-sensei' ), $a_element );
3547 
+						$message = sprintf(__('Please purchase the %1$s before starting the lesson.', 'woothemes-sensei'), $a_element);
3548 3548
3549 3549 
 					}
3550 3550
3551 
-					Sensei()->notices->add_notice( $message, 'alert' );
3551 
+					Sensei()->notices->add_notice($message, 'alert');
3552 3552
3553 3553 
 	            }
3554 3554
3555 3555 
             } else { ?>
3556 3556
3557 
-	            <?php if( ! Sensei_Utils::user_started_course( $course_id, get_current_user_id() ) &&  sensei_is_login_required() )  : ?>
3557 
+	            <?php if ( ! Sensei_Utils::user_started_course($course_id, get_current_user_id()) && sensei_is_login_required())  : ?>
3558 3558
3559 3559 
 	                <div class="sensei-message alert">
3560 3560 
 	                    <?php
3561 
-	                    $course_link =  '<a href="'
3562 
-	                                        . esc_url( get_permalink( $course_id ) )
3563 
-	                                        . '" title="' . __( 'Sign Up', 'woothemes-sensei' )
3564 
-	                                        . '">' . __( 'course', 'woothemes-sensei' )
3561 
+	                    $course_link = '<a href="'
3562 
+	                                        . esc_url(get_permalink($course_id))
3563 
+	                                        . '" title="'.__('Sign Up', 'woothemes-sensei')
3564 
+	                                        . '">'.__('course', 'woothemes-sensei')
3565 3565 
 	                                    . '</a>';
3566 3566
3567 
-						if ( Sensei_Utils::is_preview_lesson( get_the_ID( ) ) ) {
3567 
+						if (Sensei_Utils::is_preview_lesson(get_the_ID( ))) {
3568 3568
3569 
-							echo sprintf( __( 'This is a preview lesson. Please sign up for the %1$s to access all lessons.', 'woothemes-sensei' ),  $course_link );
3569 
+							echo sprintf(__('This is a preview lesson. Please sign up for the %1$s to access all lessons.', 'woothemes-sensei'), $course_link);
3570 3570
3571 3571 
 						} else {
3572 3572
3573 
-							echo sprintf( __( 'Please sign up for the %1$s before starting the lesson.', 'woothemes-sensei' ),  $course_link );
3573 
+							echo sprintf(__('Please sign up for the %1$s before starting the lesson.', 'woothemes-sensei'), $course_link);
3574 3574
3575 3575 
 						}
3576 3576 
 
@@ -3591,14 +3591,14 @@  discard block
 
 block discarded – undo
3591 3591 
      *
3592 3592 
      * @since 1.9.0
3593 3593 
      */
3594 
-    public  static function prerequisite_complete_message(){
3594 
+    public  static function prerequisite_complete_message() {
3595 3595
3596 
-        $lesson_prerequisite =  WooThemes_Sensei_Lesson::get_lesson_prerequisite_id( get_the_ID() );
3596 
+        $lesson_prerequisite = WooThemes_Sensei_Lesson::get_lesson_prerequisite_id(get_the_ID());
3597 3597 
         $lesson_has_pre_requisite = $lesson_prerequisite > 0;
3598 
-        if ( ! WooThemes_Sensei_Lesson::is_prerequisite_complete(  get_the_ID(), get_current_user_id() ) && $lesson_has_pre_requisite ) {
3598 
+        if ( ! WooThemes_Sensei_Lesson::is_prerequisite_complete(get_the_ID(), get_current_user_id()) && $lesson_has_pre_requisite) {
3599 3599
3600 
-            $prerequisite_lesson_link  = '<a href="' . esc_url( get_permalink( $lesson_prerequisite ) ) . '" title="' . esc_attr(  sprintf( __( 'You must first complete: %1$s', 'woothemes-sensei' ), get_the_title( $lesson_prerequisite ) ) ) . '">' . get_the_title( $lesson_prerequisite ). '</a>';
3601 
-            echo sprintf( __( 'You must first complete %1$s before viewing this Lesson', 'woothemes-sensei' ), $prerequisite_lesson_link );
3600 
+            $prerequisite_lesson_link = '<a href="'.esc_url(get_permalink($lesson_prerequisite)).'" title="'.esc_attr(sprintf(__('You must first complete: %1$s', 'woothemes-sensei'), get_the_title($lesson_prerequisite))).'">'.get_the_title($lesson_prerequisite).'</a>';
3601 
+            echo sprintf(__('You must first complete %1$s before viewing this Lesson', 'woothemes-sensei'), $prerequisite_lesson_link);
3602 3602
3603 3603 
         }
3604 3604 
 
@@ -3610,7 +3610,7 @@  discard block
 
 block discarded – undo
3610 3610 
      *
3611 3611 
      * @deprecated since 1.9.0
3612 3612 
      */
3613 
-    public static function deprecate_sensei_lesson_archive_header_hook(){
3613 
+    public static function deprecate_sensei_lesson_archive_header_hook() {
3614 3614
3615 3615 
         sensei_do_deprecated_action('sensei_lesson_archive_header', '1.9.0', 'sensei_loop_lesson_inside_before');
3616 3616 
 
@@ -3626,9 +3626,9 @@  discard block
 
 block discarded – undo
3626 3626
3627 3627 
         $before_html = '<header class="archive-header"><h1>';
3628 3628 
         $after_html = '</h1></header>';
3629 
-        $html = $before_html .  __( 'Lessons Archive', 'woothemes-sensei' ) . $after_html;
3629 
+        $html = $before_html.__('Lessons Archive', 'woothemes-sensei').$after_html;
3630 3630
3631 
-        echo apply_filters( 'sensei_lesson_archive_title', $html );
3631 
+        echo apply_filters('sensei_lesson_archive_title', $html);
3632 3632
3633 3633 
     } // sensei_course_archive_header()
3634 3634 
 
@@ -3638,7 +3638,7 @@  discard block
 
 block discarded – undo
3638 3638 
      * @global $post
3639 3639 
      * @since 1.9.0
3640 3640 
      */
3641 
-    public static function the_title(){
3641 
+    public static function the_title() {
3642 3642
3643 3643 
         global $post;
3644 3644 
 
@@ -3651,7 +3651,7 @@  discard block
 
 block discarded – undo
3651 3651 
                 /**
3652 3652 
                  * Filter documented in class-sensei-messages.php the_title
3653 3653 
                  */
3654 
-                echo apply_filters( 'sensei_single_title', get_the_title( $post ), $post->post_type );
3654 
+                echo apply_filters('sensei_single_title', get_the_title($post), $post->post_type);
3655 3655 
                 ?>
3656 3656
3657 3657 
             </h1>
 
@@ -3669,16 +3669,16 @@  discard block
 
 block discarded – undo
3669 3669 
      *
3670 3670 
      * @param $post_id
3671 3671 
      */
3672 
-    public static function flush_rewrite_rules( $post_id ){
3672 
+    public static function flush_rewrite_rules($post_id) {
3673 3673
3674 
-        if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE){
3674 
+        if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) {
3675 3675
3676 3676 
             return;
3677 3677
3678 3678 
         }
3679 3679
3680 3680
3681 
-        if( 'lesson' == get_post_type( $post_id )  ){
3681 
+        if ('lesson' == get_post_type($post_id)) {
3682 3682
3683 3683 
             Sensei()->initiate_rewrite_rules_flush();
3684 3684 
 
@@ -3695,27 +3695,27 @@  discard block
 
 block discarded – undo
3695 3695 
      * @param int $lesson_id
3696 3696 
      * @param int $user_id
3697 3697 
      */
3698 
-    public static function footer_quiz_call_to_action( $lesson_id = 0, $user_id = 0 ) {
3698 
+    public static function footer_quiz_call_to_action($lesson_id = 0, $user_id = 0) {
3699 3699
3700 3700
3701 
-        $lesson_id                 =  empty( $lesson_id ) ?  get_the_ID() : $lesson_id;
3702 
-        $user_id                   = empty( $lesson_id ) ?  get_current_user_id() : $user_id;
3701 
+        $lesson_id                 = empty($lesson_id) ? get_the_ID() : $lesson_id;
3702 
+        $user_id                   = empty($lesson_id) ? get_current_user_id() : $user_id;
3703 3703
3704 3704
3705 
-	    if ( ! sensei_can_user_view_lesson( $lesson_id, $user_id ) ) {
3705 
+	    if ( ! sensei_can_user_view_lesson($lesson_id, $user_id)) {
3706 3706 
 		    return;
3707 3707 
 	    }
3708 3708
3709 
-        $lesson_prerequisite       = (int) get_post_meta( $lesson_id, '_lesson_prerequisite', true );
3710 
-        $lesson_course_id          = (int) get_post_meta( $lesson_id, '_lesson_course', true );
3711 
-        $quiz_id                   = Sensei()->lesson->lesson_quizzes( $lesson_id );
3712 
-        $has_user_completed_lesson = Sensei_Utils::user_completed_lesson( intval( $lesson_id ), $user_id );
3709 
+        $lesson_prerequisite       = (int) get_post_meta($lesson_id, '_lesson_prerequisite', true);
3710 
+        $lesson_course_id          = (int) get_post_meta($lesson_id, '_lesson_course', true);
3711 
+        $quiz_id                   = Sensei()->lesson->lesson_quizzes($lesson_id);
3712 
+        $has_user_completed_lesson = Sensei_Utils::user_completed_lesson(intval($lesson_id), $user_id);
3713 3713 
         $show_actions              = is_user_logged_in() ? true : false;
3714 3714
3715 
-        if( intval( $lesson_prerequisite ) > 0 ) {
3715 
+        if (intval($lesson_prerequisite) > 0) {
3716 3716
3717 3717 
             // If the user hasn't completed the prereq then hide the current actions
3718 
-            $show_actions = Sensei_Utils::user_completed_lesson( $lesson_prerequisite, $user_id );
3718 
+            $show_actions = Sensei_Utils::user_completed_lesson($lesson_prerequisite, $user_id);
3719 3719
3720 3720 
         }
3721 3721 
 
@@ -3724,19 +3724,19 @@  discard block
 
 block discarded – undo
3724 3724 
         <footer>
3725 3725
3726 3726 
             <?php
3727 
-            if( $show_actions && $quiz_id && Sensei()->access_settings() ) {
3727 
+            if ($show_actions && $quiz_id && Sensei()->access_settings()) {
3728 3728
3729 
-                $has_quiz_questions = get_post_meta( $lesson_id, '_quiz_has_questions', true );
3730 
-                if( $has_quiz_questions ) {
3729 
+                $has_quiz_questions = get_post_meta($lesson_id, '_quiz_has_questions', true);
3730 
+                if ($has_quiz_questions) {
3731 3731 
                     ?>
3732 3732
3733 3733 
                     <p>
3734 3734
3735 3735 
                         <a class="button"
3736 
-                           href="<?php echo esc_url_raw( get_permalink( $quiz_id ) ); ?>"
3737 
-                           title="<?php _e( 'View the Lesson Quiz', 'woothemes-sensei'  ); ?>">
3736 
+                           href="<?php echo esc_url_raw(get_permalink($quiz_id)); ?>"
3737 
+                           title="<?php _e('View the Lesson Quiz', 'woothemes-sensei'); ?>">
3738 3738
3739 
-                            <?php  _e( 'View the Lesson Quiz', 'woothemes-sensei' ); ?>
3739 
+                            <?php  _e('View the Lesson Quiz', 'woothemes-sensei'); ?>
3740 3740
3741 3741 
                         </a>
3742 3742 
 
@@ -3747,11 +3747,11 @@  discard block
 
 block discarded – undo
3747 3747
3748 3748 
             } // End If Statement
3749 3749
3750 
-            if ( $show_actions && ! $has_user_completed_lesson ) {
3750 
+            if ($show_actions && ! $has_user_completed_lesson) {
3751 3751
3752 3752 
                 sensei_complete_lesson_button();
3753 3753
3754 
-            } elseif( $show_actions ) {
3754 
+            } elseif ($show_actions) {
3755 3755
3756 3756 
                 sensei_reset_lesson_button();
3757 3757 
 
@@ -3768,20 +3768,20 @@  discard block
 
 block discarded – undo
3768 3768 
      *
3769 3769 
      * @since 1.9.0
3770 3770 
      */
3771 
-    public static function output_comments(){
3771 
+    public static function output_comments() {
3772 3772
3773 
-        if( ! is_user_logged_in() ){
3773 
+        if ( ! is_user_logged_in()) {
3774 3774 
             return;
3775 3775 
         }
3776 3776
3777 
-        $pre_requisite_complete = Sensei()->lesson->is_prerequisite_complete( get_the_ID(), get_current_user_id() );
3778 
-        $course_id = Sensei()->lesson->get_course_id( get_the_ID() );
3779 
-        $allow_comments = Sensei()->settings->settings[ 'lesson_comments' ];
3780 
-        $user_taking_course = Sensei_Utils::user_started_course($course_id );
3777 
+        $pre_requisite_complete = Sensei()->lesson->is_prerequisite_complete(get_the_ID(), get_current_user_id());
3778 
+        $course_id = Sensei()->lesson->get_course_id(get_the_ID());
3779 
+        $allow_comments = Sensei()->settings->settings['lesson_comments'];
3780 
+        $user_taking_course = Sensei_Utils::user_started_course($course_id);
3781 3781
3782 
-        $lesson_allow_comments = $allow_comments && $pre_requisite_complete  && $user_taking_course;
3782 
+        $lesson_allow_comments = $allow_comments && $pre_requisite_complete && $user_taking_course;
3783 3783
3784 
-        if (  $lesson_allow_comments || is_singular( 'sensei_message' ) ) {
3784 
+        if ($lesson_allow_comments || is_singular('sensei_message')) {
3785 3785
3786 3786 
             comments_template();
3787 3787 
 
@@ -3797,26 +3797,26 @@  discard block
 
 block discarded – undo
3797 3797 
      *
3798 3798 
      * @since 1.9.0
3799 3799 
      */
3800 
-    public static function user_lesson_quiz_status_message( $lesson_id = 0, $user_id = 0){
3800 
+    public static function user_lesson_quiz_status_message($lesson_id = 0, $user_id = 0) {
3801 3801
3802 
-        $lesson_id                 =  empty( $lesson_id ) ?  get_the_ID() : $lesson_id;
3803 
-        $user_id                   = empty( $lesson_id ) ?  get_current_user_id() : $user_id;
3804 
-        $lesson_course_id          = (int) get_post_meta( $lesson_id, '_lesson_course', true );
3805 
-        $quiz_id                   = Sensei()->lesson->lesson_quizzes( $lesson_id );
3806 
-        $has_user_completed_lesson = Sensei_Utils::user_completed_lesson( intval( $lesson_id ), $user_id );
3802 
+        $lesson_id                 = empty($lesson_id) ? get_the_ID() : $lesson_id;
3803 
+        $user_id                   = empty($lesson_id) ? get_current_user_id() : $user_id;
3804 
+        $lesson_course_id          = (int) get_post_meta($lesson_id, '_lesson_course', true);
3805 
+        $quiz_id                   = Sensei()->lesson->lesson_quizzes($lesson_id);
3806 
+        $has_user_completed_lesson = Sensei_Utils::user_completed_lesson(intval($lesson_id), $user_id);
3807 3807
3808 3808
3809 
-        if ( $quiz_id && is_user_logged_in()
3810 
-            && Sensei_Utils::user_started_course( $lesson_course_id, $user_id ) ) {
3809 
+        if ($quiz_id && is_user_logged_in()
3810 
+            && Sensei_Utils::user_started_course($lesson_course_id, $user_id)) {
3811 3811
3812 3812 
             $no_quiz_count = 0;
3813 
-            $has_quiz_questions = get_post_meta( $lesson_id, '_quiz_has_questions', true );
3813 
+            $has_quiz_questions = get_post_meta($lesson_id, '_quiz_has_questions', true);
3814 3814
3815 3815 
             // Display lesson quiz status message
3816 
-            if ( $has_user_completed_lesson || $has_quiz_questions ) {
3817 
-                $status = Sensei_Utils::sensei_user_quiz_status_message( $lesson_id, $user_id, true );
3818 
-                echo '<div class="sensei-message ' . $status['box_class'] . '">' . $status['message'] . '</div>';
3819 
-                if( $has_quiz_questions ) {
3816 
+            if ($has_user_completed_lesson || $has_quiz_questions) {
3817 
+                $status = Sensei_Utils::sensei_user_quiz_status_message($lesson_id, $user_id, true);
3818 
+                echo '<div class="sensei-message '.$status['box_class'].'">'.$status['message'].'</div>';
3819 
+                if ($has_quiz_questions) {
3820 3820 
                    // echo $status['extra'];
3821 3821 
                 } // End If Statement
3822 3822 
             } // End If Statement
 
@@ -3832,11 +3832,11 @@  discard block
 
 block discarded – undo
3832 3832 
      * @param $content
3833 3833 
      * @return string
3834 3834 
      */
3835 
-    public static function limit_archive_content ( $content ){
3835 
+    public static function limit_archive_content($content) {
3836 3836
3837 
-        if( is_archive('lesson') && Sensei()->settings->get('access_permission') ){
3837 
+        if (is_archive('lesson') && Sensei()->settings->get('access_permission')) {
3838 3838
3839 
-            return wp_trim_words( $content, $num_words = 30, $more = '…' );
3839 
+            return wp_trim_words($content, $num_words = 30, $more = '…');
3840 3840 
         }
3841 3841
3842 3842 
         return $content;
 
@@ -3849,9 +3849,9 @@  discard block
 
 block discarded – undo
3849 3849 
      * @since 1.9.0
3850 3850 
      * @return array
3851 3851 
      */
3852 
-    public static function get_all_lesson_ids(){
3852 
+    public static function get_all_lesson_ids() {
3853 3853
3854 
-        return get_posts( array(
3854 
+        return get_posts(array(
3855 3855 
             'post_type'=>'lesson',
3856 3856 
             'fields'=>'ids',
3857 3857 
             'post_status' => 'publish',
 
@@ -3868,4 +3868,4 @@  discard block
 
 block discarded – undo
3868 3868 
  * @ignore only for backward compatibility
3869 3869 
  * @since 1.9.0
3870 3870 
  */
3871 
-class WooThemes_Sensei_Lesson extends Sensei_Lesson{}
3871 
+class WooThemes_Sensei_Lesson extends Sensei_Lesson {}
Please login to merge, or discard this patch.