update user list

php/data.php

 <?php 
     while($row = mysqli_fetch_assoc($sql)){
+        $sql2 = "SELECT * FROM messages WHERE (incoming_msg_id = {$row['unique_id']}
+        OR outgoing_msg_id = {$row['unique_id']}) AND (outgoing_msg_id = {$outgoing_id}
+        OR outgoing_msg_id = {$outgoing_id}) ORDER BY msg_id DESC LIMIT 1";
+        $query2 = mysqli_query($conn, $sql2);
+        $row2 = mysqli_fetch_assoc($query2);
+        
+        $you = "";
+        if ($row2 && isset($row2['outgoing_msg_id'])) {
+            $result = $row2['msg'];
+            // adding your text before msg if login id send msg
+            $you = ($outgoing_id == $row2['outgoing_msg_id']) ? "You: " : "";
+        } else {
+            $result = "No message available";
+        }
+        
+        (strlen($result) > 28) ? $msg = substr($result, 0, 28).'...' : $msg = $result;
+        
         $output .= '<a href="chat.php?user_id='.$row['unique_id'].'">
              <div class="content">
              <img src="php/images/'. $row['img'] .'" alt="">
              <div class="details">
                  <span>'. $row['fname']." ".$row['lname'] .'</span>
-                 <p>this is a test message</p>
+                 <p>'. $you . $msg .'</p>
              </div>
              </div>
              <div class="status-dot"><i class="fa fa-circle"></i></div>
              </a>';
     }
-?>
\ No newline at end of file
+?>

php/search.php

 <?php
+    session_start();
     include_once "config.php";
+    $outgoing_id = $_SESSION['unique_id'];
     $searchTerm = mysqli_real_escape_string($conn, $_POST['searchTerm']);
     $output = "";
     $sql = mysqli_query($conn, "SELECT * FROM users WHERE fname LIKE '%{$searchTerm}%' OR lname LIKE '%{$searchTerm}%'");

php/users.php

 <?php
     session_start();
     include_once "config.php"; // Include the config file to establish a database connection
-    
+    $outgoing_id = $_SESSION['unique_id'];
     $sql = mysqli_query($conn, "SELECT * FROM users");
     $output = " ";