$ignore_invalid_card = $conf->exists('allow_invalid_cards');
$default_agent_custid = $conf->exists('cust_main-default_agent_custid');
$custnum_display_length = $conf->config('cust_main-custnum-display_length');
$ignore_invalid_card = $conf->exists('allow_invalid_cards');
$default_agent_custid = $conf->exists('cust_main-default_agent_custid');
$custnum_display_length = $conf->config('cust_main-custnum-display_length');