つーかべつに汎用的なやつにしてもよかったんだけど．

PcjTwitterSearch.php

<?php
/**
 * PcjTwitterSearch.php
 * search.twitter.com #pcj09 log
 *
 * @author      sotarok
 * @copyright   2009 sotarok
 * @license     The MIT License
 */

require_once 'HTTP/Request2.php';

$browser = new HTTP_Request2();
$browser->setHeader('User-Agent', 'Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; ja-JP-mac; rv:1.9.1.3) Gecko/20090824 Firefox/3.5.3');

$url = "http://search.twitter.com/search.atom?q=%23pcj09";
$entry_data = array();
while(1) {
    echo $url, "\n";

    $browser->setUrl($url);
    $res = $browser->send();

    if ($res->getStatus() != 200) {
        echo " ... error? server returned: ", $res->getStatus() , "\n";
        break;
    }

    $atom = simplexml_load_string($res->getBody());
    $atom->registerXPathNamespace('feed', 'http://www.w3.org/2005/Atom');

    foreach ($atom->entry as $entry) {
        $entry_data[] = array(
            strval($entry->link[0]->attributes()->href),
            strval($entry->author->name),
            strval($entry->updated),
            strval($entry->content),
        );

        echo "\t", $entry->author->name, ": ", $entry->title, "\n";
    }

    $url = $atom->xpath('//feed:link[@rel="next"]');

    if (empty($url)) {
        echo "... maybe end.\n";
        break;
    }
    else {
        $url = strval($url[0]->attributes()->href);
    }

    sleep(1);
}

file_put_contents("./pcj_twitter_log.serialized", serialize($entry_data));