htcont.php

<?php
include "db_connect.php";
$roomname = "ARYAN";

$sql = "SELECT msg, stime FROM msgs WHERE room = '$roomname' ORDER BY stime";

$res = "";
$result = mysqli_query($conn,$sql);
if(mysqli_num_rows($result)>0)
{
    while($row = mysqli_fetch_array($result))
    {
        $res = $res . '<div class="d-flex justify-content-start mb-4  align="center"><div class="img_cont_msg"><img src="https://static.turbosquid.com/Preview/001292/481/WV/_D.jpg" class="rounded-circle user_img_msg"></div>';
        $res = $res . '<div class="msg_cotainer">'. $row['msg'];
        $res = $res . '<span class="msg_time">' . $row['stime'];
        $res = $res . '</span></div></div>';
        echo $res;
        $res='';
    }
    //echo $res;
    
}

?>