Este projeto é uma implementação da api ed search do twitter. Sua funcionalidade inicial é pegar os últimos 50 twitts com menções a palavra gasolina na cidade de nata/rn.

gasolina_rn.php

<?php

$search = "http://search.twitter.com/search.atom?q=gasolina&rpp=50&geocode=-5.794478%2C-35.210953%2C100km";

$tw = curl_init();

curl_setopt($tw, CURLOPT_URL, $search);
curl_setopt($tw, CURLOPT_RETURNTRANSFER, TRUE);
$twi = curl_exec($tw);


$search_res = new SimpleXMLElement($twi);

foreach ($search_res->entry as $twit1) {

$description = $twit1->content;

$description = preg_replace("#(^|[\n ])@([^ \"\t\n\r<]*)#ise", "'\\1<a href=\"http://www.twitter.com/\\2\" >@\\2</a>'", $description);
$description = preg_replace("#(^|[\n ])([\w]+?://[\w]+[^ \"\n\r\t<]*)#ise", "'\\1<a href=\"\\2\" >\\2</a>'", $description);
$description = preg_replace("#(^|[\n ])((www|ftp)\.[^ \"\t\n\r<]*)#ise", "'\\1<a href=\"http://\\2\" >\\2</a>'", $description);

$retweet = strip_tags($description);

echo "<div class='user'><a href=\"",$twit1->author->uri,"\" target=\"_blank\"><img border=\"0\" width=\"48\" class=\"twitter_thumb\" src=\"",$twit1->link[1]->attributes()->href,"\" title=\"", $twit1->author->name, "\" /></a>\n";
echo "<div class='text'>".$description."<div class='description'>From: ", $twit1->author->name," <a href='http://twitter.com/home?status=RT: ".$retweet."' target='_blank'>Retweet!</a></div><strong>".$datediff."</strong></div><div class='clear'></div></div>";

}

curl_close($tw);
?>