<select name="webone_sms_notification_send_method" required style="min-width: 300px;">
    <option value="" selected>انتخاب</option>
    <option value="send" <?php echo $selected_send_method === 'send' ? 'selected' : ''; ?> >
        Send
    </option>
    <option value="otp" <?php echo $selected_send_method === 'otp' ? 'selected' : ''; ?> >
        OTP
    </option>
    <option value="smart_otp" <?php echo $selected_send_method === 'smart_otp' ? 'selected' : ''; ?> >
        SmartOTP
    </option>
</select>