Wordwrap functie in echo

<?php
    // How Many Topics you want to display?
    $topicnumber = 5;
    // Change this to your phpBB path
    $urlPath = "/phpbb";
 
    // Database Configuration (Where your phpBB config.php file is located)
    include 'config.php';
 
    $table_topics = $table_prefix. "topics";
    $table_forums = $table_prefix. "forums";
    $table_posts = $table_prefix. "posts";
    $table_users = $table_prefix. "users";
    $link = mysql_connect("$dbhost", "$dbuser", "$dbpasswd") or die("Could not connect");
    mysql_select_db("$dbname") or die("Could not select database");
 
    $query = "SELECT t.topic_id, t.topic_title, t.topic_last_post_id, t.forum_id, p.post_id, p.poster_id, p.post_time, u.user_id, u.username
    FROM $table_topics t, $table_forums f, $table_posts p, $table_users u
    WHERE t.topic_id = p.topic_id AND
    f.forum_id = t.forum_id AND
    t.forum_id != 4 AND
    t.topic_status <> 2 AND
    p.post_id = t.topic_last_post_id AND
    p.poster_id = u.user_id
    ORDER BY p.post_id DESC LIMIT $topicnumber";
    $result = mysql_query($query) or die("Query failed");									
 
    print "<table cellpadding='3' cellSpacing='2' width='640'>";
    while ($row = mysql_fetch_array($result, MYSQL_ASSOC)) {
 
    echo "<a href=\"$urlPath/viewtopic.php?f=$row[forum_id]&t=$row[topic_id]&p=$row[post_id]#p$row[post_id]\" TARGET=\"_blank\">" .
    $row["topic_title"] .
    "</a><br>";
    }
    print "</table>";
    mysql_free_result($result);
    mysql_close($link);
    ?>