/**
* Screen option value.
*
* @since 141111 First documented version.
*
* @param \WP_Screen $screen A screen object instance.
* @param string $option The screen option to get.
* @param int $user_id A specific user ID. Defaults to `NULL`.
* A `NULL` value indicates the current user.
*
* @return mixed The screen option value; only if not empty; and only it has a valid data type.
* If empty, or not the same data type as the default value; returns the default value.
*/
public function screenOption(\WP_Screen $screen, $option, $user_id = null)
{
$user_id = $this->issetOr($user_id, (int) get_current_user_id(), 'integer');
$value = get_user_meta($user_id, $screen->get_option($option, 'option'), true);
$default_value = $screen->get_option($option, 'default');
if (!$value || gettype($value) !== gettype($default_value)) {
$value = $default_value;
}
return $value;
}