Manuel PHP
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http_match_modified

(PECL)

http_match_modified -- Match last modification

Description

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.

timestamp: Unix timestamp; current time, if omitted
for_range: If set to TRUE, the header usually used to validate HTTP ranges will be checked

Returns TRUE if timestamp represents an earlier date than the header, else FALSE.

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http_match_etag	Niveau supérieur	http_match_request_header