function getExtensionArgs() { $aliases = new Auth_OpenID_NamespaceMap(); $required = array(); $if_available = array(); $ax_args = $this->_newArgs(); foreach ($this->requested_attributes as $type_uri => $attribute) { if ($attribute->alias === null) { $alias = $aliases->add($type_uri); } else { $alias = $aliases->addAlias($type_uri, $attribute->alias); if ($alias === null) { return new Auth_OpenID_AX_Error(sprintf("Could not add alias %s for URI %s", $attribute->alias, $type_uri)); } } if ($attribute->required) { $required[] = $alias; } else { $if_available[] = $alias; } if ($attribute->count != 1) { $ax_args['count.' . $alias] = strval($attribute->count); } $ax_args['type.' . $alias] = $type_uri; } if ($required) { $ax_args['required'] = implode(',', $required); } if ($if_available) { $ax_args['if_available'] = implode(',', $if_available); } return $ax_args; }