下記 流用でいけるかな？
<?php require_once "HTTP/Client.php";
$email = "メールアドレス"; $password = "パスワード";
$login_params = array("next_url" => "/home.pl", "email" => $email, "password" => $password);
$login_url = "http://mixi.jp/login.pl"; $new_friend_diary_url = "http://mixi.jp/new_friend_diary.pl";
$client =& new HTTP_Client(); $client->post($login_url, $login_params); $client->get($new_friend_diary_url);
$response = $client->currentResponse(); preg_match_all("/<td WIDTH=180><img.*?>(.*)<\/td>/", $response['body'], $date_matches);
preg_match_all("/<td WIDTH=450>(.*)/", $response['body'], $title_matches);
$title = "";
foreach ($title_matches[1] as $key => $value) {
$value = preg_replace("/view_diary.pl/", "http://mixi.jp/view_diary.pl", $value);
$title .= '<dt>'.$date_matches[1][$key].'</dt><dd>'.$value.'</dd>';
}
print('<dl>'.$title.'</dl>'); 