Upload test File

user/test.php

+<?php
+							include('../conn.php');
+							$id=46;
+								$mem=array();
+								$um=mysqli_query($conn,"select * from `chat_member` where chatroomid='$id'");
+								while($umrow=mysqli_fetch_array($um)){
+									$mem[]=$umrow['userid'];
+								}
+								print_r($mem);
+								$users=implode($mem, "', '");
+								echo $users;
+								print_r($users);
+								
+								$u=mysqli_query($conn,"select * from `user` where userid not in ('".$users."')");
+								while($urow=mysqli_fetch_array($u)){
+									?>
+										<li><?php echo $urow['uname']; ?></li>	
+									<?php
+								}
+							
+							?>
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