# If squid caches are configured, tell them to cache the response,
# and tell the client to always check with the squid. Otherwise,
# tell the client to use a cached copy, without a way to purge it.
if ( $wgUseSquid ) {
# If squid caches are configured, tell them to cache the response,
# and tell the client to always check with the squid. Otherwise,
# tell the client to use a cached copy, without a way to purge it.
if ( $wgUseSquid ) {