- # Surrogate-Control controls our CDN, Cache-Control downstream caches
-
- if ( $this->mConfig->get( 'UseESI' ) ) {
- wfDeprecated( '$wgUseESI = true', '1.33' );
- header( 'Surrogate-Control: max-age=' . $this->mCacheDuration . ', content="ESI/1.0"' );
- header( 'Cache-Control: s-maxage=0, must-revalidate, max-age=0' );
- } else {
- header( 'Cache-Control: s-maxage=' . $this->mCacheDuration . ', must-revalidate, max-age=0' );
- }
-