http_match_modified
(PECL)
http_match_modified -- Match last modification
说明
bool
http_match_modified ( [int timestamp [, bool for_range = FALSE]] )
Matches the given Unix timestamp against the clients If-Modified-Since
resp. If-Unmodified-Since HTTP headers.
参数
timestamp
Unix timestamp; current time, if omitted
for_range
if set to TRUE, the header usually used to validate HTTP ranges will be checked
返回值
Returns TRUE if timestamp represents an earlier date than the header, else FALSE.