* @since 7.4.1 Added the 'Resources' submenu page.
	 *
	 * @return void
	 */
	public function display_admin_menu() {

		global $menu;

		$menu[51] = array( '', 'read', 'llms-separator', '', 'wp-menu-separator' );

		$icon_url = 'data:image/svg+xml;base64,' . base64_encode( file_get_contents( LLMS_PLUGIN_DIR . 'assets/images/lifterlms-icon-grey.svg' ) ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents, WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_encode
		add_menu_page( 'lifterlms', 'LifterLMS', 'read', 'lifterlms', '__return_empty_string', $icon_url, 51 );

		add_submenu_page( 'lifterlms', __( 'LifterLMS Dashboard', 'lifterlms' ), __( 'Dashboard', 'lifterlms' ), 'manage_lifterlms', 'llms-dashboard', array( $this, 'dashboard_page_init' ) );

		add_submenu_page( 'lifterlms', __( 'LifterLMS Settings', 'lifterlms' ), __( 'Settings', 'lifterlms' ), 'manage_lifterlms', 'llms-settings', array( $this, 'settings_page_init' ) );

		add_submenu_page( 'lifterlms', __( 'LifterLMS Reporting', 'lifterlms' ), __( 'Reporting', 'lifterlms' ), 'view_lifterlms_reports', 'llms-reporting', array( $this, 'reporting_page_init' ) );

		add_submenu_page( 'lifterlms', __( 'LifterLMS Import', 'lifterlms' ), __( 'Import', 'lifterlms' ), 'manage_lifterlms', 'llms-import', array( $this, 'import_page_init' ) );