16 lines
331 B
PHP
16 lines
331 B
PHP
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<?php
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error_reporting(0);
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$ts = $_REQUEST['ts'];
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$ifModifiedSince = isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) ? stripslashes($_SERVER['HTTP_IF_MODIFIED_SINCE']) : false;
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if ($ifModifiedSince == $ts) {
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header('HTTP/1.0 304 Not Modified');
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die; // stop processing
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}
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header("Last-Modified: " . $ts);
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echo "OK: " . $ts;
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?>
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