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PHP5中文手册
http_match_modified(PECL pecl_http:0.1.0-1.5.5) 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
返回值Returns TRUE if timestamp represents an earlier date than the header, else FALSE. |