$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);
