How to hide WordPress admin menus?

function hide_menu_items(){
		remove_menu_page( 'index.php' );								// Dashboard
		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
}
add_action( 'admin_menu', 'hide_menu_items' );