how do i print the pagetitle for a particular user

<?php
//Author: Sarah Vardy
//Date: 14-03-2007

//This snippet displays the posts made by the user who is currently logged in.

# set page to redirect to if user is not logged in, site_start by default
if(!isset($_SESSION['webInternalKey']) || empty($_SESSION['webInternalKey'])) {
  $logout = isset($logout) ? $logout : $modx->config['site_start'];
  $modx->sendRedirect($modx->makeUrl($logout));
}

//Get user login name and store it in variable userLogin
$userLogin = $modx->getLoginUserID();

//Find the correct entries in the database that correspond to posts made by this user

//Select the modx table where the posts are stored
$tbl = $modx->getFullTableName('site_content');

$result = $modx->db->select("*", $tbl);

$count = 0;
$post_count = array();

    while($row = $modx->db->getRow($result)) {

     //if createdby id matches the userLogin id then display this row
     if ($row["createdby"] == -($userLogin))
     {
          echo " <br />";          
          //display this post
          $post_array[$count] = $row["'pagetitle'"];
          //return $result;
          echo "Post " . $count . " " . $post_array;
          $count ++;
          echo " <br /> ";
      }
     
   }

//return $count;
//return $post_array;
//return count($post_array);


//$tempUserPosts = $modx->db->select("*", $tbl, "pagetitle, longtitle, pub_date ", "pub_date DESC", "10");
//$tempUserPosts = $modx->db->select("*", $tbl, "createdby=".$userLogin, "pub_date DESC", "10");

//return $tempUserPosts;
?>

return $modx->getLoginUserID();