$text = "GokhanKara";
$encode = base64_encode(base64_encode(base64_encode(base64_encode(base64_encode(base64_encode(base64_encode(base64_encode(base64_encode(base64_encode($text))))))))));
$decode = base64_decode(base64_decode(base64_decode(base64_decode(base64_decode(base64_decode(base64_decode(base64_decode(base64_decode(base64_decode($encode))))))))));
echo 'Şifreli : '.$encode.'
'; // Soldaki Kod ile Ekrana Şifreli yazdırır
echo 'Şifresiz : '.$decode.'
'; // Burada ise GökhanKara yazar
?>