//1. comment these lines in text_helper.php
if (preg_match("!\[url.+\]|://|wwww.!", $line))
{
break;
}
//2. find this script in url_helper.php,
$str = str_replace($matches['0'][$i],
$matches['1'][$i].'http'.
$matches['4'][$i].'://'.
$matches['5'][$i].
$matches['6'][$i].''.
$period, $str);
//and replace with this,
$str = str_replace($matches['0'][$i],
$matches['1'][$i].'http'.
$matches['4'][$i].'://'.
$matches['5'][$i].
$matches['6'][$i].''.
$period, $str);
//3. then use with word_wrap() from text_helper.php
echo word_wrap(auto_link($string));
Read more: http://feeds.dzone.com/~r/dzone/snippets/~3/XqkLguYaZv0/13941