$string = 'Kompress aku...'; $fh = fopen('php://filter/write=zlib.deflate/resource=file.gz', 'w'); fwrite($fh, $string); fclose($fh); $fh = fopen('php://filter/read=zlib.inflate/resource=file.gz', 'r'); fpassthru($fh); // Kompress aku... fclose($fh);