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joined:Nov 12, 2005
posts:5967
votes: 0
<?php
sleep(100);
echo "Done";
?>
<?php
$timestamp = filemtime($_SERVER['SCRIPT_FILENAME']);
$file = $_SERVER['SCRIPT_FILENAME'];
$gmt_mtime = gmdate('r', $timestamp);
header('ETag: "'.md5($timestamp.$file).'"');
if(isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) || isset($_SERVER['HTTP_IF_NONE_MATCH'])) {
if ($_SERVER['HTTP_IF_MODIFIED_SINCE'] == $gmt_mtime || str_replace('"', '', stripslashes($_SERVER['HTTP_IF_NONE_MATCH'])) == md5($timestamp.$file)) { MY Cached file }
?>