[howtogeek]

Here you are… ported from wp-chunk (literally only had to change the filter names)

<?php

/*

Plugin Name: bb-chunk

Description: Shortens the display of urls so they won't break your site theme. Ported from wp-chunk 2.0 ( http://www.village-idiot.org/archives/2006/06/29/wp-chunk/ )

Author: The How-To Geek

Author URI: http://www.howtogeek.com

Version: 0.1

*/



function make_chunky($ret)

{



// pad it with a space

$ret = ' ' . $ret;

$ret = preg_replace("#(^|[n ])([w]+?/[w#$%&~/.-;:=,?@[]+]*)#is", "$1<a href='$2' rel='nofollow'>$2</a>", $ret);

$ret = preg_replace("#(^|[n ])((www|ftp).[w#$%&~/.-;:=,?@[]+]*)#is", "$1<a href='http://$2' rel='nofollow'>$2</a>", $ret);

//chunk those long urls

chunk_url($ret);

$ret = preg_replace("#(s)([a-z0-9-_.]+)@([^,< nr]+)#i", "$1<a href="mailto:$2@$3">$2@$3</a>", $ret);

// Remove our padding..

$ret = substr($ret, 1);

return($ret);

}



function chunk_url(&$ret)

{



$links = explode('<a', $ret);

$countlinks = count($links);

for ($i = 0; $i < $countlinks; $i++)

{

$link = $links[$i];



$link = (preg_match('#(.*)(href=")#is', $link)) ? '<a' . $link : $link;



$begin = strpos($link, '>') + 1;

$end = strpos($link, '<', $begin);

$length = $end - $begin;

$urlname = substr($link, $begin, $length);



/**

* We chunk urls that are longer than 50 characters. Just change

* '50' to a value that suits your taste. We are not chunking the link

* text unless if begins with 'http://', 'ftp://', or 'www.'

*/

$chunked = (strlen($urlname) > 50 && preg_match('#^(http://|ftp://|www.)#is', $urlname)) ? substr_replace($urlname, '.....', 30, -10) : $urlname;

$ret = str_replace('>' . $urlname . '<', '>' . $chunked . '<', $ret);



}

}



remove_filter('post_text', 'make_clickable');

add_filter('post_text', 'make_chunky');

?>