<?php
if (isset($_POST['islemyap'])) {
    
    $sayi= rand(1,6);
    $query2 = mysqli_query($connect, "INSERT INTO zarhak (userid) VALUES ('$userid')");
    if($sayi== 6){
        echo "XXXXXXXXXXX";
    }else {

    }
}


?>

<form method="post">
    <button type="submit" name="islemyap">İşlem Yap</button>
</form>