Ticket #4764: if_modified_since.php

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File if_modified_since.php, 0.3 KB (added by lawrencepit, June 15, 2009 07:26AM UTC)

<?php
error_reporting(0);

$ts = $_REQUEST['ts'];

$ifModifiedSince = isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) ? stripslashes($_SERVER['HTTP_IF_MODIFIED_SINCE']) : false;
if ($ifModifiedSince == $ts) {
    header('HTTP/1.0 304 Not Modified');
    die; // stop processing
}

header("Last-Modified: " . $ts);
echo "OK: " . $ts;

?>

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