Tutor.php — Tutor LMS – eLearning and online course solution 1.9.10

tutor / classes / Tutor.php

tutor / classes Last commit date

Addons.php 4 years ago Admin.php 4 years ago Ajax.php 4 years ago Assets.php 4 years ago Course.php 4 years ago Course_Filter.php 4 years ago Course_Settings_Tabs.php 5 years ago Course_Widget.php 5 years ago Custom_Validation.php 5 years ago Dashboard.php 4 years ago Email.php 5 years ago FormHandler.php 5 years ago Frontend.php 5 years ago Gutenberg.php 4 years ago Instructor.php 4 years ago Instructors_List.php 4 years ago Lesson.php 4 years ago Options.php 4 years ago Post_types.php 4 years ago Private_Course_Access.php 5 years ago Q_and_A.php 5 years ago Question_Answers_List.php 4 years ago Quiz.php 4 years ago Quiz_Attempts_List.php 4 years ago RestAPI.php 5 years ago Rewrite_Rules.php 4 years ago Shortcode.php 4 years ago Student.php 4 years ago Students_List.php 4 years ago Taxonomies.php 5 years ago Template.php 4 years ago Theme_Compatibility.php 5 years ago Tools.php 4 years ago Tutor.php 4 years ago TutorEDD.php 5 years ago Tutor_Base.php 5 years ago Tutor_List_Table.php 4 years ago Tutor_Setup.php 4 years ago Upgrader.php 5 years ago User.php 4 years ago Utils.php 4 years ago Video_Stream.php 5 years ago Withdraw.php 5 years ago Withdraw_Requests_List.php 4 years ago WooCommerce.php 4 years ago

Tutor.php

672 lines

1	<?php
2	namespace TUTOR;
3
4	if ( ! defined( 'ABSPATH' ) )
5	exit;
6
7	final class Tutor{
8	public $version = TUTOR_VERSION;
9	public $path;
10	public $url;
11	public $basename;
12
13	/**
14	* The single instance of the class.
15	*
16	* @since v.1.2.0
17	*/
18	protected static $_instance = null;
19
20	//Components
21	public $utils;
22	public $admin;
23	public $ajax;
24	public $options;
25	public $shortcode;
26
27	private $addons;
28	private $post_types;
29	private $taxonomies;
30	private $assets;
31	private $course;
32	private $lesson;
33	private $rewrite_rules;
34	private $template;
35	private $instructor;
36	private $student;
37	private $q_and_a;
38	private $quiz;
39	private $tools;
40	private $user;
41	private $theme_compatibility;
42	private $gutenberg;
43	private $course_settings_tabs;
44	private $withdraw;
45
46	private $course_widget;
47	private $upgrader;
48	private $dashboard;
49	private $form_handler;
50	private $frontend;
51	private $email;
52
53	//Integrations
54	private $woocommerce;
55	private $edd;
56
57	/**
58	* @return null\|Tutor
59	*
60	* Run the TUTOR
61	*
62	* @since 1.2.0
63	*/
64	public static function instance() {
65	if ( is_null( self::$_instance ) ) {
66	self::$_instance = new self();
67	}
68	return self::$_instance;
69	}
70
71	function __construct() {
72
73	$this->path = plugin_dir_path(TUTOR_FILE);
74	$this->url = plugin_dir_url(TUTOR_FILE);
75	$this->basename = plugin_basename(TUTOR_FILE);
76
77	/**
78	* Adding Tutor Database table to $wpdb;
79	* @since v.1.4.2
80	*/
81	global $wpdb;
82	$wpdb->tutor_earnings = $wpdb->prefix.'tutor_earnings';
83	$wpdb->tutor_gradebooks = $wpdb->prefix.'tutor_gradebooks';
84	$wpdb->tutor_gradebooks_results = $wpdb->prefix.'tutor_gradebooks_results';
85	$wpdb->tutor_quiz_attempts = $wpdb->prefix.'tutor_quiz_attempts';
86	$wpdb->tutor_quiz_attempt_answers = $wpdb->prefix.'tutor_quiz_attempt_answers';
87	$wpdb->tutor_quiz_questions = $wpdb->prefix.'tutor_quiz_questions';
88	$wpdb->tutor_quiz_question_answers = $wpdb->prefix.'tutor_quiz_question_answers';
89	$wpdb->tutor_withdraws = $wpdb->prefix.'tutor_withdraws';
90	$wpdb->tutor_email_queue = $wpdb->prefix.'tutor_email_queue';
91
92	/**
93	* Changing default wp doing ajax return based on tutor ajax action
94	*/
95	add_filter('wp_doing_ajax', array($this, 'wp_doing_ajax'));
96
97	/**
98	* Include Files
99	*/
100	//add_action( 'init', array( $this, 'includes' ), 11 );
101	$this->includes();
102
103	/**
104	* Loading Autoloader
105	*/
106
107	if ( function_exists( '__autoload' ) ) {
108	spl_autoload_register( '__autoload' );
109	}
110	spl_autoload_register(array($this, 'loader'));
111
112	do_action('tutor_before_load');
113
114	$this->addons = new Addons();
115	$this->post_types = new Post_types();
116	$this->taxonomies = new Taxonomies();
117	$this->assets = new Assets();
118	$this->admin = new Admin();
119	$this->ajax = new Ajax();
120	$this->options = new Options();
121	$this->shortcode = new Shortcode();
122	$this->course = new Course();
123	$this->lesson = new Lesson();
124	$this->rewrite_rules = new Rewrite_Rules();
125	$this->template = new Template();
126	$this->instructor = new Instructor();
127	$this->student = new Student();
128	$this->q_and_a = new Q_and_A();
129	$this->quiz = new Quiz();
130	$this->tools = new Tools();
131	$this->user = new User();
132	$this->theme_compatibility = new Theme_Compatibility();
133	$this->gutenberg = new Gutenberg();
134	$this->course_settings_tabs = new Course_Settings_Tabs();
135	$this->withdraw = new Withdraw();
136	$this->course_widget = new Course_Widget();
137	$this->upgrader = new Upgrader();
138	$this->dashboard = new Dashboard();
139	$this->form_handler = new FormHandler();
140	$this->frontend = new Frontend();
141	$this->email = new Email();
142	$this->rest_api = new RestAPI();
143	$this->setup = new Tutor_Setup();
144	$this->private_course_access = new Private_Course_Access();
145	$this->course_filter = new Course_Filter();
146
147	//Integrations
148	$this->woocommerce = new WooCommerce();
149	$this->edd = new TutorEDD();
150
151	/**
152	* Run Method
153	* @since v.1.2.0
154	*/
155	$this->run();
156
157	do_action('tutor_loaded');
158
159	add_action( 'init', array( $this, 'init_action' ) );
160
161	/**
162	* redirect to the wizard page
163	* @since v.1.5.7
164	*
165	*/
166
167	add_action( 'activated_plugin', array( $this, 'activated_tutor' ), 10, 2 );
168	}
169
170	/**
171	* @param $plugin
172	*
173	* redirect to the wizard page
174	* @since v.1.5.7
175	*
176	*/
177	public function activated_tutor( $plugin, $network_wide = null ) {
178	if( $plugin == tutor()->basename ) {
179	if( (! get_option('tutor_wizard') ) && version_compare(TUTOR_VERSION, '1.5.6', '>') ) {
180	update_option('tutor_wizard', 'active');
181	exit(wp_redirect(admin_url('admin.php?page=tutor-setup')));
182	}
183	}
184	}
185
186	/**
187	* @param $className
188	*
189	* Auto Load class and the files
190	*/
191	private function loader($className) {
192	if ( ! class_exists($className)){
193	$className = preg_replace(
194	array('/([a-z])([A-Z])/', '/\\\/'),
195	array('$1$2', DIRECTORY_SEPARATOR),
196	$className
197	);
198
199	$className = str_replace('TUTOR'.DIRECTORY_SEPARATOR, 'classes'.DIRECTORY_SEPARATOR, $className);
200	$file_name = $this->path.$className.'.php';
201
202	if (file_exists($file_name) ) {
203	require_once $file_name;
204	}
205	}
206	}
207
208	public function includes(){
209	include tutor()->path.'includes/tutor-general-functions.php';
210	include tutor()->path.'includes/tutor-template-functions.php';
211	include tutor()->path.'includes/tutor-template-hook.php';
212	}
213
214	//Run the TUTOR right now
215	public function run(){
216	do_action('tutor_before_run');
217
218	do_action('tutor_after_run');
219	}
220
221	/**
222	* Tutor Action Via do_action
223	* @since 1.2.14
224	*/
225	public function init_action(){
226	if (isset($_REQUEST['tutor_action'])){
227	do_action('tutor_action_'.$_REQUEST['tutor_action']);
228	}
229	}
230
231	/**
232	* Do some task during plugin activation
233	*/
234	public static function tutor_activate() {
235	$version = get_option( 'tutor_version' );
236	if ( ! function_exists( 'tutor_time' ) ) {
237	include tutor()->path . 'includes/tutor-general-functions.php';
238	}
239
240	// Create Database
241	self::create_database();
242
243	//Save Option
244	if ( ! $version ) {
245
246	$options = self::default_options();
247	update_option('tutor_option', $options);
248
249	//Rewrite Flush
250	update_option('required_rewrite_flush', tutor_time());
251	self::manage_tutor_roles_and_permissions();
252
253	self::save_data();//Save initial Page
254	update_option('tutor_version', TUTOR_VERSION);
255	}
256
257	//Set Schedule
258	if ( ! wp_next_scheduled ( 'tutor_once_in_day_run_schedule' ) ) {
259	wp_schedule_event( tutor_time(), 'twicedaily', 'tutor_once_in_day_run_schedule' );
260	}
261
262	/**
263	* Backward Compatibility for version < 1.2.0
264	*/
265	if ( version_compare( get_option( 'tutor_version' ), '1.2.0', '<' ) ) {
266	/**
267	* Creating New Database
268	*/
269	self::create_withdraw_database();
270	//Update the tutor version
271	update_option( 'tutor_version', '1.2.0' );
272	//Rewrite Flush
273	update_option( 'required_rewrite_flush', tutor_time() );
274	}
275
276	/**
277	* Backward Compatibility to < 1.3.1 for make course plural
278	*/
279	if (version_compare(get_option('tutor_version'), '1.3.1', '<')){
280	global $wpdb;
281
282	if ( ! get_option('is_course_post_type_updated')){
283	$wpdb->update($wpdb->posts, array('post_type' => 'courses'), array('post_type' => 'course'));
284	update_option('is_course_post_type_updated', true);
285	update_option('tutor_version', '1.3.1');
286	flush_rewrite_rules();
287	}
288	}
289
290	/**
291	* Save First activation Time
292	*/
293	$first_activation_date = get_option('tutor_first_activation_time');
294	if ( ! $first_activation_date){
295	update_option('tutor_first_activation_time', tutor_time());
296	}
297	}
298
299	//Run task on deactivation
300	public static function tutor_deactivation() {
301	wp_clear_scheduled_hook('tutor_once_in_day_run_schedule');
302	}
303
304	public static function create_database(){
305	global $wpdb;
306
307	$charset_collate = $wpdb->get_charset_collate();
308
309	/**
310	* Table SQL
311	*
312	* {$wpdb->prefix}tutor_quiz_attempts
313	* {$wpdb->prefix}tutor_quiz_attempt_answers
314	* {$wpdb->prefix}tutor_quiz_questions
315	* {$wpdb->prefix}tutor_quiz_question_answers
316	* {$wpdb->prefix}tutor_earnings
317	* {$wpdb->prefix}tutor_withdraws
318	*
319	* @since v.1.0.0
320	*/
321	$quiz_attempts_sql = "CREATE TABLE {$wpdb->prefix}tutor_quiz_attempts (
322	attempt_id int(11) NOT NULL AUTO_INCREMENT,
323	course_id int(11) DEFAULT NULL,
324	quiz_id int(11) DEFAULT NULL,
325	user_id int(11) DEFAULT NULL,
326	total_questions int(11) DEFAULT NULL,
327	total_answered_questions int(11) DEFAULT NULL,
328	total_marks decimal(9,2) DEFAULT NULL,
329	earned_marks decimal(9,2) DEFAULT NULL,
330	attempt_info text,
331	attempt_status varchar(50) DEFAULT NULL,
332	attempt_ip varchar(250) DEFAULT NULL,
333	attempt_started_at datetime DEFAULT NULL,
334	attempt_ended_at datetime DEFAULT NULL,
335	is_manually_reviewed int(1) DEFAULT NULL,
336	manually_reviewed_at datetime DEFAULT NULL,
337	PRIMARY KEY (attempt_id)
338	) $charset_collate;";
339
340	$quiz_attempt_answers = "CREATE TABLE {$wpdb->prefix}tutor_quiz_attempt_answers (
341	attempt_answer_id int(11) NOT NULL AUTO_INCREMENT,
342	user_id int(11) DEFAULT NULL,
343	quiz_id int(11) DEFAULT NULL,
344	question_id int(11) DEFAULT NULL,
345	quiz_attempt_id int(11) DEFAULT NULL,
346	given_answer longtext,
347	question_mark decimal(8,2) DEFAULT NULL,
348	achieved_mark decimal(8,2) DEFAULT NULL,
349	minus_mark decimal(8,2) DEFAULT NULL,
350	is_correct tinyint(4) DEFAULT NULL,
351	PRIMARY KEY (attempt_answer_id)
352	) $charset_collate;";
353
354	$tutor_quiz_questions = "CREATE TABLE {$wpdb->prefix}tutor_quiz_questions (
355	question_id int(11) NOT NULL AUTO_INCREMENT,
356	quiz_id int(11) DEFAULT NULL,
357	question_title text,
358	question_description longtext,
359	question_type varchar(50) DEFAULT NULL,
360	question_mark decimal(9,2) DEFAULT NULL,
361	question_settings longtext,
362	question_order int(11) DEFAULT NULL,
363	PRIMARY KEY (question_id)
364	) $charset_collate;";
365
366	$tutor_quiz_question_answers = "CREATE TABLE {$wpdb->prefix}tutor_quiz_question_answers (
367	answer_id int(11) NOT NULL AUTO_INCREMENT,
368	belongs_question_id int(11) DEFAULT NULL,
369	belongs_question_type varchar(250) DEFAULT NULL,
370	answer_title text,
371	is_correct tinyint(4) DEFAULT NULL,
372	image_id int(11) DEFAULT NULL,
373	answer_two_gap_match text,
374	answer_view_format varchar(250) DEFAULT NULL,
375	answer_settings text,
376	answer_order int(11) DEFAULT '0',
377	PRIMARY KEY (answer_id)
378	) $charset_collate;";
379
380	$earning_table = "CREATE TABLE IF NOT EXISTS {$wpdb->prefix}tutor_earnings (
381	earning_id int(11) NOT NULL AUTO_INCREMENT,
382	user_id int(11) DEFAULT NULL,
383	course_id int(11) DEFAULT NULL,
384	order_id int(11) DEFAULT NULL,
385	order_status varchar(50) DEFAULT NULL,
386	course_price_total decimal(16,2) DEFAULT NULL,
387	course_price_grand_total decimal(16,2) DEFAULT NULL,
388	instructor_amount decimal(16,2) DEFAULT NULL,
389	instructor_rate decimal(16,2) DEFAULT NULL,
390	admin_amount decimal(16,2) DEFAULT NULL,
391	admin_rate decimal(16,2) DEFAULT NULL,
392	commission_type varchar(20) DEFAULT NULL,
393	deduct_fees_amount decimal(16,2) DEFAULT NULL,
394	deduct_fees_name varchar(250) DEFAULT NULL,
395	deduct_fees_type varchar(20) DEFAULT NULL,
396	process_by varchar(20) DEFAULT NULL,
397	created_at datetime DEFAULT NULL,
398	PRIMARY KEY (earning_id)
399	) $charset_collate;";
400
401	$withdraw_table = "CREATE TABLE IF NOT EXISTS {$wpdb->prefix}tutor_withdraws (
402	withdraw_id int(11) NOT NULL AUTO_INCREMENT,
403	user_id int(11) DEFAULT NULL,
404	amount decimal(16,2) DEFAULT NULL,
405	method_data text DEFAULT NULL,
406	status varchar(50) DEFAULT NULL,
407	updated_at datetime DEFAULT NULL,
408	created_at datetime DEFAULT NULL,
409	PRIMARY KEY (withdraw_id)
410	) $charset_collate;";
411
412	require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
413	dbDelta( $quiz_attempts_sql );
414	dbDelta( $quiz_attempt_answers );
415	dbDelta( $tutor_quiz_questions );
416	dbDelta( $tutor_quiz_question_answers );
417	dbDelta( $earning_table );
418	dbDelta( $withdraw_table );
419	}
420
421	public static function manage_tutor_roles_and_permissions(){
422	/**
423	* Add role for instructor
424	*/
425	$instructor_role = tutor()->instructor_role;
426
427	remove_role($instructor_role);
428	add_role( $instructor_role, __('Tutor Instructor', 'tutor'), array() );
429
430	$custom_post_type_permission = array(
431	//Manage Instructor
432	'manage_tutor_instructor',
433
434	//Tutor Posts Type Permission
435	'edit_tutor_course',
436	'read_tutor_course',
437	'delete_tutor_course',
438	'delete_tutor_courses',
439	'edit_tutor_courses',
440	'edit_others_tutor_courses',
441	'read_private_tutor_courses',
442	'edit_tutor_courses',
443
444	'edit_tutor_lesson',
445	'read_tutor_lesson',
446	'delete_tutor_lesson',
447	'delete_tutor_lessons',
448	'edit_tutor_lessons',
449	'edit_others_tutor_lessons',
450	'read_private_tutor_lessons',
451	'edit_tutor_lessons',
452	'publish_tutor_lessons',
453
454	'edit_tutor_quiz',
455	'read_tutor_quiz',
456	'delete_tutor_quiz',
457	'delete_tutor_quizzes',
458	'edit_tutor_quizzes',
459	'edit_others_tutor_quizzes',
460	'read_private_tutor_quizzes',
461	'edit_tutor_quizzes',
462	'publish_tutor_quizzes',
463
464	'edit_tutor_question',
465	'read_tutor_question',
466	'delete_tutor_question',
467	'delete_tutor_questions',
468	'edit_tutor_questions',
469	'edit_others_tutor_questions',
470	'publish_tutor_questions',
471	'read_private_tutor_questions',
472	'edit_tutor_questions',
473	);
474
475	$instructor = get_role( $instructor_role );
476	if ( $instructor ) {
477	$instructor_cap = array (
478	'edit_posts',
479	'read',
480	'upload_files',
481	);
482
483	$instructor_cap = array_merge($instructor_cap, $custom_post_type_permission);
484
485	$can_publish_course = (bool) tutor_utils()->get_option('instructor_can_publish_course');
486	if ($can_publish_course){
487	$instructor_cap[] = 'publish_tutor_courses';
488	}
489
490	foreach ($instructor_cap as $cap){
491	$instructor->add_cap( $cap );
492	}
493	}
494
495	$administrator = get_role( 'administrator' );
496	if ( $administrator ) {
497
498	$administrator_cap = array (
499	'manage_tutor',
500	);
501	$administrator_cap = array_merge($administrator_cap, $custom_post_type_permission);
502	$administrator_cap[] = 'publish_tutor_courses';
503
504	foreach ($administrator_cap as $cap){
505	$administrator->add_cap( $cap );
506	}
507	}
508
509	/**
510	* Add Instructor role to administrator
511	*/
512	if (current_user_can('administrator')){
513	tutor_utils()->add_instructor_role(get_current_user_id());
514	}
515
516	}
517
518	/**
519	* Save data like page
520	*/
521	public static function save_data(){
522	$student_dashboard_args = array(
523	'post_title' => __('Dashboard', 'tutor'),
524	'post_content' => '',
525	'post_type' => 'page',
526	'post_status' => 'publish',
527	);
528	$student_dashboard_page_id = wp_insert_post( $student_dashboard_args );
529	tutor_utils()->update_option('tutor_dashboard_page_id', $student_dashboard_page_id);
530
531	$student_registration_args = array(
532	'post_title' => __('Student Registration', 'tutor'),
533	'post_content' => '[tutor_student_registration_form]',
534	'post_type' => 'page',
535	'post_status' => 'publish',
536	);
537	$student_register_page_id = wp_insert_post( $student_registration_args );
538	tutor_utils()->update_option('student_register_page', $student_register_page_id);
539
540	$instructor_registration_args = array(
541	'post_title' => __('Instructor Registration', 'tutor'),
542	'post_content' => '[tutor_instructor_registration_form]',
543	'post_type' => 'page',
544	'post_status' => 'publish',
545	);
546	$instructor_registration_id = wp_insert_post( $instructor_registration_args );
547	tutor_utils()->update_option('instructor_register_page', $instructor_registration_id);
548	}
549
550	public static function default_options(){
551	$options = array (
552	'pagination_per_page' => '20',
553	'load_tutor_css' => '1',
554	'load_tutor_js' => '1',
555	'course_allow_upload_private_files' => '1',
556	'display_course_instructors' => '1',
557	'enable_q_and_a_on_course' => '1',
558	'courses_col_per_row' => '3',
559	'courses_per_page' => '12',
560	'lesson_permalink_base' => 'lesson',
561	'quiz_time_limit' =>
562	array (
563	'value' => '0',
564	'time' => 'minutes',
565	),
566	'quiz_when_time_expires' => 'autosubmit',
567	'quiz_attempts_allowed' => '10',
568	'quiz_grade_method' => 'highest_grade',
569	'enable_public_profile' => '1',
570	'email_to_students' =>
571	array (
572	'quiz_completed' => '1',
573	'completed_course' => '1',
574	),
575	'email_to_instructors' =>
576	array (
577	'a_student_enrolled_in_course' => '1',
578	'a_student_completed_course' => '1',
579	'a_student_completed_lesson' => '1',
580	'a_student_placed_question' => '1',
581	),
582	'email_from_name' => get_option('blogname'),
583	'email_from_address' => get_option('admin_email'),
584	'email_footer_text' => '',
585	'earning_admin_commission' => '20',
586	'earning_admin_commission' => '20',
587	'earning_instructor_commission' => '80'
588	);
589	return $options;
590	}
591
592
593	/**
594	* Create withdraw database
595	*
596	* @since v.1.2.0
597	*/
598	public static function create_withdraw_database(){
599	global $wpdb;
600
601	$charset_collate = $wpdb->get_charset_collate();
602
603	/**
604	* Table SQL
605	*
606	* {$wpdb->prefix}tutor_earnings
607	* {$wpdb->prefix}tutor_withdraws
608	*
609	* @since v.1.2.0
610	*/
611
612	$earning_table = "CREATE TABLE IF NOT EXISTS {$wpdb->prefix}tutor_earnings (
613	earning_id int(11) NOT NULL AUTO_INCREMENT,
614	user_id int(11) DEFAULT NULL,
615	course_id int(11) DEFAULT NULL,
616	order_id int(11) DEFAULT NULL,
617	order_status varchar(50) DEFAULT NULL,
618	course_price_total decimal(16,2) DEFAULT NULL,
619	course_price_grand_total decimal(16,2) DEFAULT NULL,
620	instructor_amount decimal(16,2) DEFAULT NULL,
621	instructor_rate decimal(16,2) DEFAULT NULL,
622	admin_amount decimal(16,2) DEFAULT NULL,
623	admin_rate decimal(16,2) DEFAULT NULL,
624	commission_type varchar(20) DEFAULT NULL,
625	deduct_fees_amount decimal(16,2) DEFAULT NULL,
626	deduct_fees_name varchar(250) DEFAULT NULL,
627	deduct_fees_type varchar(20) DEFAULT NULL,
628	process_by varchar(20) DEFAULT NULL,
629	created_at datetime DEFAULT NULL,
630	PRIMARY KEY (earning_id)
631	) $charset_collate;";
632
633	$withdraw_table = "CREATE TABLE IF NOT EXISTS {$wpdb->prefix}tutor_withdraws (
634	withdraw_id int(11) NOT NULL AUTO_INCREMENT,
635	user_id int(11) DEFAULT NULL,
636	amount decimal(16,2) DEFAULT NULL,
637	method_data text DEFAULT NULL,
638	status varchar(50) DEFAULT NULL,
639	updated_at datetime DEFAULT NULL,
640	created_at datetime DEFAULT NULL,
641	PRIMARY KEY (withdraw_id)
642	) $charset_collate;";
643
644	require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
645	dbDelta( $earning_table );
646	dbDelta( $withdraw_table );
647
648	/**
649	* Setting previous dashboard to new dashboard
650	*/
651	$previous_dashboard_page_id = (int) tutor_utils()->get_option('student_dashboard');
652	tutor_utils()->update_option('tutor_dashboard_page_id', $previous_dashboard_page_id);
653	}
654
655	/**
656	* @param $bool
657	*
658	* @return bool
659	*
660	* Filter the wp_doing_ajax from tutor requests to get advanced advantages from Tutor
661	*
662	* @since v.1.3.4
663	*/
664	public function wp_doing_ajax($bool){
665	if (isset($_REQUEST['tutor_ajax_action'])){
666	return true;
667	}
668	return $bool;
669	}
670
671
672	}