Php

<div id="content">

<?php

include"includes/connect.php";

$select_posts="select* from posts ";
$run_posts=mysqli_query($con, $select_posts);

while($row=mysqli_fetch_array($run_posts)){

	$post_id=$row['post_id'];
	$post_title=$row['post_title'];
	$post_date=$row['post_date'];
	$post_author=$row['post_author'];
	$post_image=$row['post_image'];
	$post_keywords=$row['post_keywords'];
	$post_content=$row['post_content'];


?>
<h2> <?php echo $post_title; ?></h2>

<p align="left" > Published on: &nbsp;&nbsp; <b><?php echo $post_date; ?></b></p>
<p align="right" > Posted by: &nbsp;&nbsp;<b><?php echo $post_author; ?></b></p>
<center><img src="images/<?php echo $post_image; ?>" width="500" height="300"/></center>
<p align="right"> <a href="">Read More</a></p>
<?php
 echo "<form method = 'POST' action='content.php'>
 <input type='hidden' name='user_id' value='anonymous'>
  <input type='hidden' name='date' value='".date('Y-m-d H:i:s')."'>
 <textarea name='message'></textarea>
 <br>
 <button type ='submit' name ='commentSubmit'>comment</button>
 </form>";
 if(isset($_POST['commentSubmit'])){
	 $uid=$_POST['user_id'];
	 $date=$_POST['date'];
	 $message=$_POST['message'];

	 $insert_comment="INSERT INTO comment(user_id, date,message) values('$uid','$date','$message')";
	 $run_comment=mysqli_query($con,$insert_comment);
	  // fetch data from the database




 }
 ?>

 <?php
 $query = "SELECT * FROM comment, posts WHERE comment_id=$post_id";

if ($result= mysqli_query($con, $query)){
	while($row=mysqli_fetch_assoc($result)){
		echo "<div class='comment-box'>";
		echo $row ['user_id']."<br>";
		echo $row ['date']."<br><br>";
		echo nl2br ($row ['message']);
		echo"</div>";
	}

	mysqli_free_result($result);

}


 ?>


<p align="justify" >  <b><?php echo $post_content; ?></b></p>
<?php }?>
</div>