chatbox.php

<?php
    include("config.php");
    if(isset($_SESSION['user'])){
?>
<div class='msgs'>
    <?php include("msgs.php");?>
</div>

<form id="msg_form">
  <input name="msg" type="text" placeholder="Ketikan pesan..." /><button>Kirim</button>
</form>
<?php
}
?>