ns_setexpires - Set the current connections Expires header field to the current time plus seconds seconds
Set the current connections Expires header to the current time plus seconds
Set the output headers contain the "Expires" header. When "-cache-control" is specified the function adds as well a "max-age" header field to the response with the specified cache response directive (such as public, private, no-cache, no-store, no-transform, must-revalidate, or proxy-revalidate)