http_match_modified Match last modification &reftitle.description; boolhttp_match_modified inttimestamp boolfor_range = FALSE Matches the given Unix timestamp against the clients If-Modified-Since resp. If-Unmodified-Since HTTP headers. &reftitle.parameters; timestamp Unix timestamp; current time, if omitted for_range if set to &true;, the header usually used to validate HTTP ranges will be checked &reftitle.returnvalues; Returns &true; if timestamp represents an earlier date than the header, else &false;. &reftitle.seealso; http_match_etag http_match_request_header http_cache_etag http_cache_last_modified