# If CDN caches are configured, tell them to cache the response,
# and tell the client to always check with the CDN. Otherwise,
# tell the client to use a cached copy, without a way to purge it.
-
- if ( $this->mConfig->get( 'UseSquid' ) ) {
+ if ( $this->mConfig->get( 'UseCdn' ) ) {
# Expect explicit purge of the proxy cache, but require end user agents
# to revalidate against the proxy on each visit.
- # 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' );
- }
-
+ header( 'Cache-Control: s-maxage=' . $this->mCacheDuration . ', must-revalidate, max-age=0' );
} else {
# Let the client do the caching. Cache is not purged.
header( "Expires: " . gmdate( "D, d M Y H:i:s", time() + $this->mCacheDuration ) . " GMT" );