set http meta cache time using php

by Prakash 2013-12-10 17:17:26

Put the following code in the header to set http meta cache time using php


$seconds_to_cache = 120;
$ts = gmdate("D, d M Y H:i:s", time() + $seconds_to_cache) . " GMT";
header("Expires: $ts");
header("Pragma: cache");
header("Cache-Control: max-age=$seconds_to_cache");
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