<?php  

// Your twitter username.
$username = "YOUR.USERNAME";

// Prefix - some text you want displayed before your latest tweet.
// (HTML is OK, but be sure to escape quotes with backslashes: for example href=\"link.html\")
$prefix = "<h3>Latest Tweet</h3>";

// Suffix - some text you want display after your latest tweet. (Same rules as the prefix.)
$suffix = " ";

$feed = "http://search.twitter.com/search.atom?q=from:" . $username . "&rpp=1";

function parse_feed($feed) {
$stepOne = explode("<content type=\"html\">", $feed);
$stepTwo = explode("</content>", $stepOne[1]);
$tweet = $stepTwo[0];
$tweet = str_replace("&amp;lt;", "<", $tweet);
$tweet = str_replace("&amp;gt;", ">", $tweet);
$tweet = str_replace("&amp;quot;", "\"", $tweet);
$tweet = str_replace("&amp;", "&", $tweet);
$tweet = str_replace("&lt;a href", "<a href", $tweet);
$tweet = str_replace("\"&gt;", "\">", $tweet);
$tweet = str_replace("&lt;/a&gt;", "</a>", $tweet);
return $tweet;
}

$twitterFeed = file_get_contents($feed);
echo stripslashes($prefix) . parse_feed($twitterFeed) . stripslashes($suffix);
?>