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Testing of this plugin has been temporarily suspended due to an error. It will automatically resume when a new plugin version is released.

How to Hide Masteriyo LMS Admin Menus

function plt_hide_learning_management_system_menus() {
	//Hide "Tools → Scheduled Actions".
	remove_submenu_page('tools.php', 'action-scheduler');

	//Hide "Masteriyo".
	remove_menu_page('masteriyo');
	//Hide "Masteriyo → Dashboard".
	remove_submenu_page('masteriyo', 'masteriyo#/dashboard');
	//Hide "Masteriyo → Analytics".
	remove_submenu_page('masteriyo', 'masteriyo#/analytics');
	//Hide "Masteriyo → Courses".
	remove_submenu_page('masteriyo', 'masteriyo#/courses');
	//Hide "Masteriyo → Categories".
	remove_submenu_page('masteriyo', 'masteriyo#/courses/categories');
	//Hide "Masteriyo → Orders".
	remove_submenu_page('masteriyo', 'masteriyo#/orders');
	//Hide "Masteriyo → Quiz Attempts".
	remove_submenu_page('masteriyo', 'masteriyo#/quiz-attempts');
	//Hide "Masteriyo → Users".
	remove_submenu_page('masteriyo', 'masteriyo#/users/students');
	//Hide "Masteriyo → Reviews & Comments".
	remove_submenu_page('masteriyo', 'masteriyo#/reviews');
	//Hide "Masteriyo → Question & Answers".
	remove_submenu_page('masteriyo', 'masteriyo#/question-answers');
	//Hide "Masteriyo → Webhooks".
	remove_submenu_page('masteriyo', 'masteriyo#/webhooks');
	//Hide "Masteriyo → Settings".
	remove_submenu_page('masteriyo', 'masteriyo#/settings');
	//Hide "Masteriyo → Tools".
	remove_submenu_page('masteriyo', 'masteriyo#/tools');
	//Hide "Masteriyo → Addons".
	remove_submenu_page('masteriyo', 'masteriyo#/add-ons');
}

add_action('admin_menu', 'plt_hide_learning_management_system_menus', 10000);

Where do I put this code?