21 lines
379 B
PHP
21 lines
379 B
PHP
<?php
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error_reporting(0);
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$ts = $_REQUEST['ts'];
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$etag = md5($ts);
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$ifNoneMatch = isset($_SERVER['HTTP_IF_NONE_MATCH']) ? stripslashes($_SERVER['HTTP_IF_NONE_MATCH']) : false;
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if ($ifNoneMatch == $etag) {
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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("Etag: " . $etag);
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if ( $ifNoneMatch ) {
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echo "OK: " . $etag;
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} else {
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echo "FAIL";
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}
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?>
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