php - Populating '<select>' Dynamically and Retrieving Seleceted Value -


hello populated drop down list data database, want retrieve selected value , echo itz not working, keeps on coming empty. 

<select>    <option value="0">--none selected--</option> <?php $dbhost = 'localhost'; $dbuser = 'phil'; $dbpass = '********';  // fetching usergroupid int textbox $conn = mysql_connect($dbhost, $dbuser, $dbpass);  $sql = "select *   usergroups"; mysql_select_db('dopetunez');   $result = mysql_query($sql);  // while row of data exists, put row in $row associative array // note: if you're expecting 1 row, no need use loop // note: if put extract($row); inside following loop, you'll //  create $userid, $fullname, , $userstatus  while ($row = mysql_fetch_assoc($result)){    ?>  <option value="<?php echo $row["usergroupid"] ?>"> <?php echo $row["usergroup"]?> </option>  <?php     } ?> </select>

at first glance .. should select db before executing query .. replace 

 $sql = "select *   usergroups";  mysql_select_db('dopetunez');

with

  mysql_select_db('dopetunez');   $sql = "select *   usergroups";

suggestion please use mysqli_ , pdo . mysql_ no longer maintained


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