Drupal 8 Webform custom module: create hook: Apply webform creator roles to webform

apply_user_roles_webform.php

<?php

use Drupal\webform\WebformInterface;

function my_module_name_webform_create(WebformInterface $webform) {
  
  $user = \Drupal::currentUser();
  $roles = $user->getRoles();
  
  //remove global roles
  if (($role = array_search('role_to_remove', $roles)) !== false) {
    unset($roles[$role]);
  }

  //see if user still has roles to apply
  //if array not empty apply webform acesss settings
  if ($roles) {
    //reset array values, PHP to YAML will break syntax if array is not index 0
    $roles = array_values($roles);
    $access = [
      'create' => ['roles' => [0 => 'anonymous', 1 => 'authenticated'],'users' => [],'permissions' => [],],
      'view_any' => ['roles' => [],'users' => [],'permissions' => [],],
      'update_any' => ['roles' => [],'users' => [],'permissions' => [],],
      'delete_any' => ['roles' => [],'users' => [],'permissions' => [],],
      'purge_any' => ['roles' => [],'users' => [],'permissions' => [],],
      'view_own' => ['roles' => [],'users' => [],'permissions' => [],],
      'update_own' => ['roles' => [],'users' => [],'permissions' => [],],
      'delete_own' => ['roles' => [],'users' => [],'permissions' => [],],
      'administer' => ['roles' => [],'users' => [],'permissions' => [],],
      'test' => ['roles' => [],'users' => [],'permissions' => [],],
      'configuration' => ['roles' => [],'users' => [],'permissions' => [],],
    ];

    foreach($roles as $key => $remaining_roles) {
      //apply user role to administer
      $access['administer']['roles'][$key] = $remaining_roles;
      
    }

    $webform_set_access_rules = $webform->setAccessRules($access);
  }
}