<?php

    $sql = "SELECT
				posts.post_id,
				posts.post_by,
				users.user_id,
				users.user_name
			FROM
				posts
			LEFT JOIN
				users
			ON
				posts.post_by = users.user_id
			WHERE
				post_by = " . (int)$_SESSION['user_id'];

    $result = mysql_query($sql) OR die(mysql_error());
    $total = intval(mysql_num_rows($result));

    if($posts > $total) {

        $rank = 'User';

            }else{

            $rank = 'Super User';
            }

?>