echo"0";
$tl = new Textlocal("blackof61@gmail.com", "b39aa81bf9afe12f066b4ee59f95b930634abf13f00b905471873eb82b88b468");
$sms = $tl->sendSms(["+905056214123"], "Üye Onay: ".$rand, "Üye Onay");
header("Location:http://localhost:81/makale/register.php?step=2&&phone=$phone");

Böyle yani üstteki echo"0"; yazdırmıyor