// User Form With Drop Down Box

	<form action=change-rank.php method=post>
	  <table width="300" border="0">
        <tr>
          <td colspan="2">Please Enter The User's ID You'd Like To Change</td>
          </tr>
        <tr>
          <td width="70">User </td>
          <td width="220">
		  <select name="form_id">
		  <?php
		  	// Output All User Nicks Associated With Their ID
			$query = "SELECT `id`,`nick` FROM `users`";
			$result = mysql_query($query);
			while($user = mysql_fetch_row($result)) {
				echo "<option value='$user[0]'>$user[1]</option>";
			}		   
		  ?>
		  </select>
		  </td>
        </tr>
        <tr>
          <td width="70">User Rank</td>
          <td width="220"><input type=text name=form_rank maxlength="2" size="16" /></td>
        </tr>		
        <tr>
          <td>&nbsp;</td>
          <td><input type=submit name="changeUserRank" value="Change Rank !" /></td>
        </tr>
      </table>
	</form>


// Function changeUserRank()

function changeUserRank() {
	if(!is_numeric($_POST['form_id']))
		return 2;
		
	if(!is_numeric($_POST['form_rank']))
		return 2;	
		
	if(empty($_POST['form_id']))
		echo "Form Field 'USER' Not Entered.<br/>Click <a href=change-rank.php>Here</a> to try again.";
		
	if(empty($_POST['form_rank']))
		echo "Form Field 'RANK' Not Entered.<br/>Click <a href=change-rank.php>Here</a> to try again.";		
		
	$idE = $_POST['form_id'];
	$id = htmlentities($idE, ENT_QUOTES);
	
	$rankE = $_POST['form_rank'];
	$rank = htmlentities($rankE, ENT_QUOTES);	
	
	$query = "UPDATE `users` SET `rank`='$rank' WHERE `id`='$id'";
	$sql = mysql_query($query);
	if(mysql_affected_rows()==0)
		return 0;
	else
		return 1;
}


// Handler for changeUserRank() function

	if(isset($_POST['changeUserRank'])) {
		$ret = changeUserRank(); 
		if($ret==0) echo "Unable To Update User ID";
		elseif($ret==1) echo "User ID Updated!.";
		elseif($ret==2) echo "Non-Numeric ID Entered!.<Br/>Click <a href=change-rank.php>Here</a> to try again.";		
	} else {
                // Display above form