<?php
$current_page = "https://" . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
$whatsapp_message = "Merhaba, şu sayfayı inceledim: " . $current_page;
$encoded_message = urlencode($whatsapp_message);
?>
<a href="https://wa.me/<?php echo htmlspecialchars($user->phone_number); ?>?text=<?php echo $encoded_message; ?>"
target="_blank"
class="btn btn-primary btn-lg btn-block">
WhatsApp ile İletişim
</a>