retrieves latest 100 tweets for a given search in the twitter timeline

twittersearch.json.php

<?php
$searchtag = '#plop';
$tweets = json_decode(file_get_contents('http://search.twitter.com/search.json?rpp=100&q='.urlencode($searchtag)));
foreach ($tweets->results as $tweet) {
  echo sprintf("@%s: %s\n", $tweet->from_user, (string) $tweet->text);
}

twittersearch.simplexml.php

<?php
$searchtag = '#plop';
$tweets = simplexml_load_string(file_get_contents('http://search.twitter.com/search.atom?rpp=100&q='.urlencode($searchtag)));
foreach ($tweets->entry as $tweet) {
  echo sprintf("@%s: %s\n", $tweet->author->name, (string) $tweet->title);
}