WordPress ~ WP version check for admin role only - #backend #security

functions.php

<?php

/**
 * Sets up WP version check for admin role only.
 * 
 * @uses current_user_can() To know if current user has permissions.
 * @uses add_action() To add a hook action.
 * @uses add_filter() To add a hook filter.
 * @see https://github.com/crewstyle/clean-wordpress
 */
add_action('after_setup_theme', '_cw_remove_admin_wp_version_check');
function _cw_remove_admin_wp_version_check()
{
  //Remove WORDPRESS update in the administration to all users, except the admin
  if (!current_user_can('edit_users')) {
    add_action('init', create_function('$a', "remove_action('init', 'wp_version_check');"), 2);
    add_filter('pre_option_update_core', create_function('$a', "return null;"));
  }
}