Wordpress - Remove Admin menus - items from wordpress and plugins

wp_remove_admin_menus.php

<?php 

/*	Remove admin menus, to prevent access to certain areas like
	page editing, plugins and templates
*/
add_action( 'admin_menu', 'remove_menus' );
function remove_menus(){
	remove_menu_page( 'edit.php' );                   //Posts
	remove_menu_page( 'upload.php' );                 //Media
	remove_menu_page( 'edit.php?post_type=page' );    //Pages
	remove_menu_page( 'edit-comments.php' );          //Comments
	remove_menu_page( 'themes.php' );                 //Appearance
	remove_menu_page( 'plugins.php' );                //Plugins
	remove_menu_page( 'users.php' );                  //Users
	remove_menu_page( 'tools.php' );                  //Tools
	remove_menu_page( 'options-general.php' );        //Settings
}

/*	Remove admin menu items by slug - PLUGIN MENU ITEMS
*/
add_action( 'admin_init', 'remove_menus_after' );
function remove_menus_after(){
  remove_menu_page( 'WpFastestCacheOptions' );
}
?>