pfSense

There are several cases where xmlrpc is still accessing the config directly. This causes errors in PHP8 when the secondary has an empty, but existing tag.

The case below is when attempting to sync Virtual IPs to a secondary that doesn't have any Virtual IPs, but has a "<virtualip>" tag.

PHP ERROR: Type: 1, File: /usr/local/www/xmlrpc.php, Line: 399, Message: Uncaught TypeError: Cannot access offset of type string on string in /usr/local/www/xmlrpc.php:399
Stack trace:
#0 /usr/local/share/pear/XML/RPC2/Server/CallHandler/Instance.php(141): pfsense_xmlrpc_server->restore_config_section(Array, 900)
#1 /usr/local/share/pear/XML/RPC2/Backend/Php/Server.php(135): XML_RPC2_Server_Callhandler_Instance->__call('pfsense.restore...', Array)
#2 /usr/local/share/pear/XML/RPC2/Backend/Php/Server.php(99): XML_RPC2_Backend_Php_Server->getResponse()
#3 /usr/local/www/xmlrpc.php(988): XML_RPC2_Backend_Php_Server->handleCall()
#4 {main}