loadXML($reply); $dataset = $doc->getElementsByTagName('screen_name'); if ($dataset->length==0){return "";} $username = $dataset->item(0)->nodeValue; return $username; } else {echo ""; return "";} } } function addtwitterurl($comment_data){ $email = $comment_data['comment_author_email']; $username = get_twitter_account_from_email($email); $username=str_replace(" ","",$username); $username=str_replace("\n","",$username); if (empty($username)){return $comment_data;} else{ $url = "follow @$username on twitter<\a>"; $comment_data['comment_content']= $comment_data['comment_content']."\n\n"; $comment_data['comment_content']= $comment_data['comment_content'].$url; } return $comment_data; } add_action('preprocess_comment','addtwitterurl',0); ?>