I had separate pages for it.
edit_groups.php
<?php include_once "scripts/checkuserlog.php";
$id = $logOptions_id;
if (isset($_POST['parse_var']) && $_POST['parse_var'] == "add_to_group"){
$toGroup = $_POST['toGroup'];
$addFriend = $_POST['addFriend'];
$toGroup = preg_replace('#[^0-9]#i', '', $toGroup);
$addFriend = preg_replace('#[^0-9]#i', '', $addFriend);
$id = preg_replace('#[^0-9]#i', '', $id);
if (($toGroup != "")&&($addFriend !== "")&&($id != "")){
$sql = mysql_query("INSERT INTO user_groups (group_oid, group_mid, group_id) VALUES('$id','$addFriend','$toGroup')");
header ("Location: edit_groups.php");
}
}
if (isset($_POST['parse_var']) && $_POST['parse_var'] == "remove_from_group"){
$removeFriend = $_POST['removeFriend'];
$removeFriend = preg_replace('#[^0-9]#i', '', $removeFriend);
$id = preg_replace('#[^0-9]#i', '', $id);
if (($removeFriend !== "")&&($id !== "")){
$sql = mysql_query("DELETE FROM user_groups WHERE group_oid-'$id' AND group_mid='$removeFriend' LIMIT 1");
header ("Location: edit_groups.php");
}
}
$sql = mysql_query("SELECT friend_array FROM myMembers WHERE id='$id'");
while($row = mysql_fetch_array($sql)){
$friendArray = $row['friend_array'];
}
$in_group = array();
$sql2 = mysql_query("SELECT group_mid FROM user_groups WHERE group_oid='$id'");
while($row2 = mysql_fetch_array($sql2)){
$in_group[] = $row2['group_mid'];
}
$in_group2 = implode(", ", $in_group);
$addList = "";
if ($friendArray != ""){
$addList .= '<select name="addFriend">';
$addList .= '<option value=""></option>';
if ($in_group2 != ""){
$sql = mysql_query("SELECT id, username FROM myMembers WHERE id IN($friendArray) AND id NOT IN($in_group2)");
} else {
$sql = mysql_query("SELECT id, username FROM myMembers WHERE id IN($friendArray)");
}
while($row = mysql_fetch_array($sql)){
$addList .= '<option value="'.$row["id"].'">'.$row["username"].'</option>';
}
$addList .= '</select>';
}
$remList = "";
if (($friendArray != "") && ($in_group2 !== "")) {
$remList .= '<select name="removeFriend">';
$remList .= '<option value=""></option>';
$remsql = mysql_query("SELECT id, username FROM myMembers WHERE id IN($friendArray) AND id IN($in_group2)");
while($remrow = mysql_fetch_array($remsql)){
$remList .= '<option value="'.$remrow["id"].'">'.$remrow["username"].'</option>';
}
$remList .= '</select>';
}
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Manage Your Groups</title>
<link href="style/main.css" rel="stylesheet" type="text/css" />
<style type="text/css">
<!--
#groupsWrap {
width: 900px;
margin-right:auto;
margin-left:auto;
background-color: #f2f2f2;
}
#groupsTitle {
height: 50px;
width: 880px;
padding-top: 20px;
padding-left: 20px;
}
#groupsContent {
float:left;
width: 700px;
margin-left: 20px;
}
#groupsAd {
float:right;
height: 600px;
width: 160px;
}
.groupsClear {
clear:both;
}
.glists {
float:left;
width: 200px;
margin-right: 30px;
}
-->
</style>
</head>
<body>
<?php include_once "header_template.php"; ?>
<div id="groupsWrap">
<div id="groupsTitle"><h1>Group Manager</h1></div><!-- end groupsTitle -->
<div id="groupsContent">
<p> </p>
<p>This top section is for adding someone from your friends to an assigned group <br />
Each person may only be in 1 group.
</p>
<?php if($friendArray != ""){ ?>
<form method="post" action="edit_groups.php">
Add <?php echo $addList; ?>
To
<select name="toGroup">
<option value=""></option>
<option value="Friends">Friends</option>
<option value="Musicians">Musicians</option>
<option value="Dancers">Dancers</option>
<option value="Painters">Painters</option>
<option value="Singers">Singers</option>
</select>
<input name="parse_var" type="hidden" value="add_to_group" />
<input name="submit" type="submit" id="add" value="Add To Group" />
</form>
<?php } ?>
<br /><br />
<p>This bottom section is for removing someone from a group.<br />
This does not delete that person as a friend, it only removes them from that group.
</p>
<?php if(($friendArray != "")&&($in_group2 !== "")){ ?>
<form method="post" action="edit_groups.php">
Remove from group
<?php echo $remList; ?>
<input name="parse_var" type="hidden" value="remove_from_group" />
<input type="submit" name="add" id="add" value="Remove From Group" />
</form>
<?php } ?>
<br />
<div class="glists"><b>Friends</b><br />
<?php
$sql_friends = mysql_query("
SELECT username FROM myMembers WHERE id IN (SELECT group_mid FROM user_groups WHERE group_oid ='$id' AND group_id= 1)
");
while($fr_row = mysql_fetch_array($sql_friends)){
echo $fr_row['username'];
echo '<br />';
}?>
</div><!-- end friends glist -->
<div class="glists">
<b>Musicians</b><br />
<?php
$sql_musicians = mysql_query("
SELECT username FROM myMembers WHERE id IN (SELECT group_mid FROM user_groups WHERE group_oid ='$id' AND group_id= 2)
");
while($ms_row = mysql_fetch_array($sql_musicians)){
echo $ms_row['username'];
echo '<br />';
}?>
</div><!-- end musician glist -->
<div class="glists">
<b>Dancers</b><br />
<?php
$sql_dancers = mysql_query("
SELECT username FROM myMembers WHERE id IN (SELECT group_mid FROM user_groups WHERE group_oid ='$id' AND group_id= 3)
");
while($dan_row = mysql_fetch_array($sql_dancers)){
echo $dan_row['username'];
echo '<br />';
}?>
</div><!-- end dancer glist -->
<div class="glists">
<b>Painters</b><br />
<?php
$sql_painters = mysql_query("
SELECT username FROM myMembers WHERE id IN (SELECT group_mid FROM user_groups WHERE group_oid ='$id' AND group_id= 4)
");
while($pn_row = mysql_fetch_array($sql_painters)){
echo $pn_row['username'];
echo '<br />';
}?>
</div><!-- end painter glist -->
<div class="glists">
<b>Singers</b><br />
<?php
$sql_singers = mysql_query("
SELECT username FROM myMembers WHERE id IN (SELECT group_mid FROM user_groups WHERE group_oid ='$id' AND group_id= 5)
");
while($sng_row = mysql_fetch_array($sql_singers)){
echo $sng_row['username'];
echo '<br />';
}?>
</div><!-- end singers glist -->
</div><!-- end groupsContent -->
<div class="groupsClear"></div><!-- end groupsClear -->
</div><!-- end groupsWrap -->
</body>
</html>
That example you gave is like what I have in my database.