$row->textarea = preg_replace("#((http|https)+(\://)+(www\.)+([a-zA-Z0-9-]+\.)+([a-zA-Z]{2,4})?(?:[\S])*)#i","<a href='$1'>LINK</a>", $row->textarea);

$row->textarea = preg_replace("#((http|https)+(\://)+(www\.)+([a-zA-Z0-9-]+\.)+([a-zA-Z]{2,4})?(?:[\S])*)#i","<a href='$1' target="_blank">LINK</a>", $row->textarea);

<?php
#   Copyright by: Manuel
#   Support: www.ilch.de


defined ('main') or die ( 'no direct access' );

# check ob ein fehler aufgetreten ist.
check_forum_failure($forum_failure);

# toipc als gelesen markieren
$_SESSION['forumSEE'][$fid][$tid] = time();

$title = $allgAr['title'].' :: Forum :: '.$aktTopicRow['name'].' :: Beitr&auml;ge zeigen';
$hmenu  = $extented_forum_menu.'<a class="smalfont" href="index.php?forum">Forum</a><b> &raquo; </b>'.aktForumCats($aktForumRow['kat']).'<b> &raquo; </b><a class="smalfont" href="index.php?forum-showtopics-'.$fid.'">'.$aktForumRow['name'].'</a><b> &raquo; </b>';
$hmenu .= $aktTopicRow['name'].$extented_forum_menu_sufix;
$design = new design ( $title , $hmenu, 1);
$design->header();


# Topic Hits werden eins hochgesetzt.
db_query('UPDATE `prefix_topics` SET hit = hit + 1 WHERE id = "'.$tid.'"');

# mehrere seiten fals gefordert
$limit = $allgAr['Fpanz'];  // Limit
$page = ($menu->getA(3) == 'p' ? $menu->getE(3) : 1 );
$MPL = db_make_sites ($page , "WHERE tid = ".$tid , $limit , 'index.php?forum-showposts-'.$tid , 'posts' );
$anfang = ($page - 1) * $limit;

$antworten = '';
if (($aktTopicRow['stat'] == 1 AND $forum_rights['reply'] == TRUE) OR ($_SESSION['authright'] <= '-7' OR $forum_rights['mods'] == TRUE)) {
  $antworten = '<b>[ <a href="index.php?forum-newpost-'.$tid.'">'.$lang['answer'].'</a> ]</b>';
}

$class = 'Cmite';

$tpl = new tpl ( 'forum/showpost' );
$ar = array (
  'SITELINK' => $MPL,
  'tid' => $tid,
	'ANTWORTEN' => $antworten,
	'TOPICNAME' => $aktTopicRow['name']
);
$tpl->set_ar_out($ar,0);
$i = $anfang +1;
$ges_ar = array ('wurstegal', 'maennlich', 'weiblich');
$erg = db_query("SELECT geschlecht, prefix_posts.id,txt,time,erstid,erst,sig,avatar,posts FROM `prefix_posts` LEFT JOIN prefix_user ON prefix_posts.erstid = prefix_user.id WHERE tid = ".$tid." ORDER BY time LIMIT ".$anfang.",".$limit);
while($row = db_fetch_assoc($erg)) {

	$class = ( $class == 'Cnorm' ? 'Cmite' : 'Cnorm' );

	# define some vars.
	$row['sig'] = ( empty($row['sig']) ? '' : '<br /><hr style="width: 50%;" align="left">'.bbcode($row['sig']) );
	$row['TID'] = $tid;
	$row['class'] = $class;
	$row['date'] = date ('d.m.Y - H:i:s', $row['time'] );
	$row['delete'] = '';
	$row['change'] = '';
	if (!is_numeric($row['geschlecht'])) { $row['geschlecht'] = 0; }
	if (file_exists($row['avatar'])) { $row['avatar'] = '<br /><br /><a border="0" href="index.php?user-details-'.$row['erstid'].'"><img border="0" width="120" src="'.$row['avatar'].'" alt="User Pic" border="0" /></a><br />'; }
	elseif ($allgAr['forum_default_avatar']) { $row['avatar'] = '<br /><br /><img src="include/images/avatars/'.$ges_ar[$row['geschlecht']].'.jpg" alt="User Pic" border="0" /><br />'; }
 	else { $row['avatar'] = ''; }
    $row['rang']   = userrang ($row['posts'],$row['erstid']);
	$row['txt']    = (isset($_GET['such']) ? markword(bbcode ($row['txt']),$_GET['such']) : bbcode ($row['txt']) );
	$row['i']      = $i;
    $row['page']   = $page;

	if ( $row['posts'] != 0 ) {
		$row['erst'] = '<a href="index.php?user-details-'.$row['erstid'].'"><b>'.$row['erst'].'</b></a>';
	} elseif ( $row['erstid'] != 0 ) {
        $row['rang'] = 'gel&ouml;schter User';
    }

	if ($forum_rights['mods'] == TRUE AND $i>1) {
	  $row['delete'] = '<a href="index.php?forum-delpost-'.$tid.'-'.$row['id'].'">'.$lang['delete'].'</a>';
	}
	if ( $forum_rights['reply'] == TRUE AND loggedin() ) {
	  $row['change'] = '&nbsp;<a href="index.php?forum-editpost-'.$tid.'-'.$row['id'].'">'.$lang['change'].'</a>';
	}
	$row['posts']  = ($row['posts']?'<br />Posts: '.$row['posts']:'').'<br />';
	$tpl->set_ar_out($row,1);

  $i++;
}

$tpl->set_ar_out( array ( 'SITELINK' => $MPL, 'ANTWORTEN' => $antworten ) , 2 );

if (loggedin()) {
  if ($menu->get(3) == 'topicalert') {
    if (1 == db_result(db_query("SELECT COUNT(*) FROM prefix_topic_alerts WHERE uid = ".$_SESSION['authid']." AND tid = ".$tid),0)) {
      db_query("DELETE FROM prefix_topic_alerts WHERE uid = ".$_SESSION['authid']." AND tid = ".$tid);
    } else {
      db_query("INSERT INTO prefix_topic_alerts (tid,uid) VALUES (".$tid.", ".$_SESSION['authid'].")");
    }
  }

  echo 'Optionen:';
  if (1 == db_result(db_query("SELECT COUNT(*) FROM prefix_topic_alerts WHERE uid = ".$_SESSION['authid']." AND tid = ".$tid),0)) {
    echo '<br />- <a href="index.php?forum-showposts-'.$tid.'-topicalert">'.$lang['nomailonreply'].'</a><br />';
  } else {
    echo '<br />- <a href="index.php?forum-showposts-'.$tid.'-topicalert">'.$lang['mailonreply'].'</a><br />';
  }
}

if ( $forum_rights['mods'] == TRUE ) {
  $tpl->set ( 'status', ($aktTopicRow['stat'] == 1 ? $lang['close'] : $lang['open'] ) );
	$tpl->set ( 'festnorm', ($aktTopicRow['art'] == 0 ? $lang['fixedtopic'] : $lang['normaltopic'] ) );
	$tpl->set('tid',$tid);
	$tpl->out(3);
}
$design->footer();
?>

$row->textarea = preg_replace("#((http|https)+(://)+(www.)+([a-zA-Z0-9-]+.)+([a-zA-Z]{2,4})?(?:[S])*)#i","<a href='$1' target=\"_blank\">LINK</a>", $row->textarea);

$row->textarea = preg_replace ("#(http|https)+(://)+(www\.)#i", "http://", $row->textarea);
	if (preg_match("#(http|https)+(://)+([a-zA-Z0-9-]+.)+([a-zA-Z]{2,4})#i", $row->textarea)) {
		$row->textarea = preg_replace("#((http|https)+(\://)+([a-zA-Z0-9-]+\.)+([a-zA-Z]{2,4})?(?:[\S])*)#i","[URL=$1]LINK[/URL]", $row->textarea);
	} 
	if (preg_match("#(www.)+([a-zA-Z0-9-]+.)+([a-zA-Z]{2,4})#i", $row->textarea)){
		$row->textarea = preg_replace("#((www\.)+([a-zA-Z0-9-]+\.)+([a-zA-Z]{2,4})?(?:[\S])*)#i","[URL=$1]LINK[/URL]", $row->textarea);
	}