PHP Code Find all Twitter tweet

<?php

function getTweets($user) {

    $page = file_get_contents("http://twitter.com/{$user}");

    $from = strpos($page, "<ol id='timeline' class='statuses'>");

    $to = strpos($page, "</ol>");

    $length = $to - $from;

    $page =substr($page, $from, $length);

    echo $page;

}

getTweets('username');//here put username

?>