how to get a config var? $config->getValue is deprecated. - Joomla! Forum - community, help and support

i need read config var worked on joomla 1.5-2.5

code: select all

$config->getvalue

documentated here: http://docs.joomla.org/jfactory/getconfig

that deprecated. know new way call config var is?

here example components/com_users/models/registration.php of joomla 3.0:

code: select all

         $data['fromname'] = $config->get('fromname');