time

<?php

$select_time = "SELECT time FROM timet";
$result = $db->query($select_time);

if(isset($_POST['insert_time'])) {
    $AddQuery = "INSERT INTO timet (time)  VALUES ('$_POST[add_time]')";

    mysqli_query($db,$AddQuery);

};

 echo " <input type=time name=add_time />";
 echo "<input type=submit name=insert_time value=submit " ;