- global $wgLBFactoryConf;
-
- if ( is_null( self::$instance ) ) {
- $class = self::getLBFactoryClass( $wgLBFactoryConf );
- $config = $wgLBFactoryConf;
- if ( !isset( $config['readOnlyReason'] ) ) {
- $config['readOnlyReason'] = wfConfiguredReadOnlyReason();
- }
- self::$instance = new $class( $config );
- }
-
- return self::$instance;