WordPress Version: 4.9
/**
* Check whether a usermeta key has to do with the current blog.
*
* @since MU (3.0.0)
* @deprecated 4.9.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param string $key
* @param int $user_id Optional. Defaults to current user.
* @param int $blog_id Optional. Defaults to current blog.
* @return bool
*/
function is_user_option_local($key, $user_id = 0, $blog_id = 0)
{
global $wpdb;
_deprecated_function(__FUNCTION__, '4.9.0');
$current_user = wp_get_current_user();
if ($blog_id == 0) {
$blog_id = get_current_blog_id();
}
$local_key = $wpdb->get_blog_prefix($blog_id) . $key;
return isset($current_user->{$local_key});
}