DROPDOWN fetch.txt

<form name="message" action="" method="post" onsubmit="" accept-charset="utf-8">
    <div class="form-group">
        <label id="senderName">שם השולח:</label>



    </div>
<div class="form-group">

    <label for="to_user">מען:</label>
    <select name="to_user" class="form-control">
        <option value="pick">בחר מהרשימה</option>
            <?php

            $sql = \mysqli_query("SELECT name From users");
            $row = mysqli_num_rows($sql);


                echo "<select name='to_user'>";
                while ($row = mysqli_fetch_array($sql)){
                    echo "<option value='". $row['name'] ."'>" .$row['name'] ."</option>" ;
                }
                echo "</select>" ;

            ?>

    </select>


</div>

KOREKSI:
<select name="to_user" class="form-control">
<option value="pick">בחר מהרשימה</option>
<?php
$sql = mysqli_query($con, "SELECT name From users");
$row = mysqli_num_rows($sql);
while ($row = mysqli_fetch_array($sql)){
echo "<option value='". $row['name'] ."'>" .$row['name'] ."</option>" ;
}
?>
</select>