HTTP 函数
PHP 手册

http_match_modified

(PECL pecl_http >= 0.1.0)

http_match_modifiedMatch last modification

说明

bool http_match_modified ([ int $timestamp = -1 [, 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.

参见


HTTP 函数
PHP 手册