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127
header('Expires: ' . gmdate( "D, d M Y H:i:s", time() + $expires_offset ) . ' GMT');
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128
header("Cache-Control: public, max-age=$expires_offset");
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header('Vary: Accept-Encoding'); // Handle proxies
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if ( false !== strpos( strtolower($_SERVER['HTTP_ACCEPT_ENCODING']), 'deflate') && function_exists('gzdeflate') && ! $force_gzip ) {
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header('Content-Encoding: deflate');