Programmatically prevent a widget from being rendered

prevent-widget.php

<?php
/**
 * This will hide widgets
 * @param array $instance The current widget instance's settings.
 * @param WP_Widget $this The current widget instance.
 * @param array $args An array of default widget arguments.
 */
function wcmo_filter_widget_display_callback( $settings, $widget, $args ) {
  $can_access = false; // You need to set your conditions here
  if( $can_access || in_array( $widget->name, $whitelist ) ) {
    // If the user can view the widget, just return the settings
    return $settings;
  }
  // Otherwise, return false to prevent the widget from rendering
  return false;
}
add_filter( 'widget_display_callback', 'wcmo_filter_widget_display_callback', 10, 3 );