/**
* @brief Retrieve the effective access on the object
*
* If the subject is not specified, the current user will be used.
*
* @param IAclObject $object The object to for which the access is queried
* @param IAclSubject $subject The subject whos access is being queried
* @return Array The effective access for each of the roles
*/
static function getEffectiveAccess(IAclObject $object, IAclSubject $subject = null)
{
// If the subject is not specified, set it to the current user.
if (!$subject) {
$subject = user::getActiveUser();
}
$am = acl::getAccessMatrix($object, $subject);
$ar = end($am);
return $ar['roles'];
}