<a href="#"><button onclick="#" style="#">Like</button></a>

<?php
$dbhost = 'localhost';
$dbuser = 'root';
$dbpass = '';
$conn = mysql_connect($dbhost, $dbuser, $dbpass);
if(! $conn )
{
  die('Could not connect: ' . mysql_error());
}
$currentID = mysql_real_escape_string($_GET['id']);
$sql="SELECT comment, userCreated, threadsID FROM comments WHERE threadsID=".$currentID;
#Where my likes column in my DB is
$likes = "SELECT likes WHERE threadsID=".$currentID;
$numrows = mysql_num_rows($sql);
mysql_select_db('comments');
$retval = mysql_query( $sql, $conn );
if(! $retval )
{
  die('Could not get data: ' . mysql_error());
}
while($row = mysql_fetch_array($retval, MYSQL_ASSOC))
{
  $userCreated = $row['userCreated'];
  $comment = $row['comment'];
  echo "<div class='comment'>$userCreated:<br>$comment</div><br>";
  #echo $userCreated." said<br>".$comment."<br>";
}
  ?>