Automatische Verlinkung von Twitter-Benutzernamen.

wp_auto_twitter_links.php

<?php
function twtreplace($content) {
$twtreplace = preg_replace('/([^a-zA-Z0-9-_&])@([0-9a-zA-Z_]+)/',"$1<a href=\"http://twitter.com/$2\" target=\"_blank\" rel=\"nofollow\">@$2</a>",$content);
return $twtreplace;
}
add_filter('the_content', 'twtreplace');
add_filter('comment_text', 'twtreplace');
?>