Show and Hidden Otoritas akses Menu User Pro

Apabila Seseorang Berkunjung kehalaman web
Dan Menemukan halaman yang seharunya kita Tuju Terhalang Sesuatu, Misalnya
Clem user login atau untuk Pro version.
Contoh..

Untuk Menulis komentar Saya harus Melakukan Pendaftaran /Masuk terlebih dahulu.
Contoh..

Menyembunyikan kolom komentar dengan Clam username.

Contoh code :
<?php
require '_database/database.php';
if($_SESSION['user_username']){
?>
....kolom komentar /hidden...
<?php
}
else{
?>
Link diskripsi /Show
<?php
}
?>
Penjelasan singkat
Menampilakan database berdasarkan user name login atau $_SESSION user
Untuk tamu hanya dapat melihat dari sisi manapun akan terlihat sama

ini sangat perlu/penting dimana kita bisa membedakan tamu dan member,
memberikan batasan untuk dapat mengunakan fitur -fitur tertentu
code keseluruhan
Contoh:
home.php

<?php
 include 'body.php';
 include 'components/authentication.php';
include 'controllers/base/head.php';
?>
<?php include 'controllers/base/style.php' ?>

<?php
   
    require '_database/database.php';
    if($_SESSION['user_username']){
?>
<?php include 'controllers/navigation/first-navigation.php' ?>

<?php
    }
    else{
?>
<?php include 'controllers/navigation/index-before-login-navigation.php' ?>
<?php
    }
?></head>
<body>
<?php
 
    require '_database/database.php';
   $sql_asu="SELECT * FROM forum_topic WHERE forum_topic_id ORDER BY forum_topic_time DESC";
   $result_asu= mysqli_query($database,$sql_asu);
   $row_count = mysqli_num_rows($result_asu);
   while($rws= mysqli_fetch_array($result_asu)){

$temp_user_username = $rws['forum_topic_created_by'];
        $sql_search_username = "SELECT * FROM user WHERE user_username = '$temp_user_username'";
        $result_search_username = mysqli_query($database,$sql_search_username) or die(mysqli_error($database));
        $rws_search_username = mysqli_fetch_array($result_search_username);
?>
        <div class="container">
            <div class="panel panel-default">
                <span class="panel-body">

<img src="userfiles/avatars/<?php echo $rws_search_username['user_avatar'];?>" class="" alt="<?php echo $rws_search_username['user_firstname'];?>"
 style="position: absolute;
    margin: -2px 0 0 0;
 width: 38px;
 height: 30px;
 padding: 1px;">

<?php echo $rws_search_username['user_lastname'];?>
<a href="profile.php?user_username=<?php echo $rws_search_username['user_username'];?> " style="font-size: 18px;co
or: black"/>
<?php echo $rws_search_username['user_firstname'];?>
 <i class="fa fa-map-marker" style="font-size:14px;color:black;"/> 
 <?php echo $rws_search_username['user_country']?></i>
                    <div class="well" >
                        <div class="row clearfix">
                            <div class="col-md-12 column">
                                <a href="forum-topic.php?forum_topic_id=<?php echo $rws['forum_topic_id'];?>"> 
<i span class=""style="font-size: 18px;color:black;"/>  
<?php echo $rws['forum_topic_name'];?>
<?php echo $rws['forum_topic_body'];?><br/></a> 
<?php if($rws ['forum_topic_file_name']){?>   
                                        <img src="userfiles/uploads/<?php echo $rws['forum_topic_file_name'];?>"  class="img-responsive thumbnail">

<?php
                   }
                     ?> 
                        </div>
<div class="col-md-11 column">
 
                               
                             </div>
</div>
</span>
                      <br> 
                    </div>
<i span class=""style="font-size: 10px;color:black;"/>  
<?php   
echo $rws['forum_topic_time']; 
?> </i>
<a href=# id="calculate"> <br/>
 </a>
                <span class="panel panel-default">
                    <span class="panel-heading">
                       <?php echo $notice_id; ?>
                           <th scope="row"> 
                        </th>                                
<span class="fa fa-comments">
</div>
</div>
</div>
<?php
    
?>

</div>
<?php
                                        
                                    ?>

</div>
</div>
</div>
</div>
</div>
<?php
    }
?> 
/textarea><br />
<br /></div>

Akan terlihat seperti
ini
Contoh Halaman Rumah Forum Post