Old configuration

This configuration isn't valid since MediaWiki 1.24.

// IRC

$wgRC2UDPAddress = 'localhost';
$wgRC2UDPPort = 8675;
$wgRC2UDPPrefix = '';

New configuration

WithLog::getLoggerConfiguration() provides the logger configuration.

This logger contains a way to send to UDP.

Reference:

• https://www.mediawiki.org/wiki/Manual:MonologSpi#Example_from_the_MediaWiki\Logger\MonologSpi_PHP_doc_comments with an UDP sample
• https://www.mediawiki.org/wiki/Manual:$wgRCFeeds
• https://www.mediawiki.org/wiki/Manual:IRC_RC_Bot