msgs.php

<?php
    include("config.php");
    $sql=$dbh->prepare("SELECT * FROM messages");
    $sql->execute();

    while($r=$sql->fetch()){
        if($_SESSION['user'] == $r['name']){
            $aktip = "bubble-right";
        }else{
            $aktip = "bubble-left";
        }

        echo "<div class='urltag $aktip'><p><span class='name'>{$r['name']}</span><span class='msgc'>".urlf($r['msg'])."</span><span class='dat'>{$r['posted']}</span></p></div>";
    }

    if(!isset($_SESSION['user']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH'])=='xmlhttprequest'){
        echo "<script>window.location.reload()</script>";
    }

   function urlf($text){
        $reg_exUrl = "/(http|https|ftp|ftps)\:\/\/[a-zA-Z0-9\-\.]+\.[a-zA-Z]{2,3}(\/\S*)?/";
        preg_match_all($reg_exUrl, $text, $matches);
        $usedPatterns = array();

        foreach($matches[0] as $pattern){
            if(!array_key_exists($pattern, $usedPatterns)){
                $usedPatterns[$pattern]=true;
                $text = str_replace  ($pattern, '<a href="'.$pattern.'" rel="nofollow">'.$pattern.'</a> ', $text);
            }
        }
     return $text;
   }
 ?>