public static function checkUser($userId, $action, $asset = null)
{
$userId = (int) $userId;
if ($userId == 0) {
return JAccess::checkGroup(0, $action, $asset);
}
$action = strtolower(trim($action));
$asset = strtolower(trim($asset));
if (empty($asset)) {
$asset = 1;
}
if (empty(JAccess::$_assetRules[$asset])) {
JAccess::$_assetRules[$asset] = JAccess::getAssetRules($asset);
}
$identities = JAccess::getGroupByUsers($userId);
array_unshift($identities, $userId * -1);
return JAccess::$_assetRules[$asset]->allow($action, $identities);
}
