Date Differnce between 2 dates

function dateDiff(){
$d1 = (is_string($d1) ? strtotime($d1) : $d1);
$d2 = (is_string($d2) ? strtotime($d2) : $d2);
$diff_secs = abs($d1 - $d2);
$base_year = min(date("Y", $d1), date("Y", $d2));
$diff = mktime(0, 0, $diff_secs, 1, 1, $base_year);
return array(
"years" => date("Y", $diff) - $base_year,
"months_total" => (date("Y", $diff) - $base_year) * 12 + date("n", $diff) - 1,
"months" => date("n", $diff) - 1,
"days_total" => floor($diff_secs / (3600 * 24)),
"days" => date("j", $diff) - 1,
"hours_total" => floor($diff_secs / 3600),
"hours" => date("G", $diff),
"minutes_total" => floor($diff_secs / 60),
"minutes" => (int) date("i", $diff),
"seconds_total" => $diff_secs,
"seconds" => (int) date("s", $diff)
);
}

Parsing Twitter Username

      echo getTweets("jagir", 1);


function getTweets($user, $num = 3) {
//first, get the user's timeline
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "http://twitter.com/statuses/user_timeline/$user.json?count=$num");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$json = curl_exec($ch);
curl_close($ch);

if ($json === false) { return false; } //abort on error

//second, convert the resulting json into PHP
$result = json_decode($json);

//third, build up the html output
$s = '';
foreach ($result as $item) {
//handle any special characters
$text = htmlentities($item->text, ENT_QUOTES, 'utf-8');

//build the metadata part
$meta = date('g:ia M jS', strtotime($item->created_at)) . ' from ' . $item->source;

//parse the tweet text into html
$text = preg_replace('@(https?://([-\w\.]+)+(/([\w/_\.]*(\?\S+)?(#\S+)?)?)?)@', '<a href="$1">$1</a>', $text);
$text = preg_replace('/@(\w+)/', '<a href="http://twitter.com/$1">@$1</a>', $text);
$text = preg_replace('/\s#(\w+)/', ' <a href="http://search.twitter.com/search?q=%23$1">#$1</a>', $text);

//assemble everything
$s .= '<p class="tweet">' . $text . "<br />\n" . '<span class="tweet-meta">' . $meta . "</span></p>\n";
}

return $s;

}