http_cache_last_modified

(PECL pecl_http:0.1.0-1.4.1)

http_cache_last_modified — Caching by last modification

Popis

bool http_cache_last_modified ( [int $timestamp_or_expires] )

Attempts to cache the sent entity by its last modification date.

If the supplied argument is greater than 0, it is handled as timestamp and will be sent as date of last modification. If it is 0 or omitted, the current time will be sent as Last-Modified date. If it's negative, it is handled as expiration time in seconds, which means that if the requested last modification date is not between the calculated timespan, the Last-Modified header is updated and the actual body will be sent.

A log entry will be written to the cache log if the INI setting http.log.cache is set and the cache attempt was successful.

Seznam parametrů

timestamp_or_expires: Unix timestamp

Návratové hodnoty

Returns FALSE on failure, or exits with 304 Not Modified if the entity is cached.

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Last updated: Sat, 24 Mar 2007