drupal update hook example

arkowy.install

<?php
function arkowy_update_7001() {
  module_enable(['workbench_feature'], true);
}

function arkowy_update_7002() {
  module_enable(['workbench_feature'], true);
}

function arkowy_update_7003() {
$user_fields = user_load_by_name('hania');
$user_fields->status = 1;
user_save($user_fields);
}

function arkowy_update_7004() {
$new_role = user_role_load_by_name('Manager');
$user_fields = user_load_by_name('hania');
$user_fields->roles[$new_role->rid] = $new_role->name;
user_save($user_fields);
}