fltr.php

<? 
# Copyright 2010 by Ben Collins <[email protected]> 
# Licensed under the GPLv3 
# 
# July 29, 2010: Flattr v0.2 load.js does not expect bin2hex for data 
# anymore. Pass arguments as normal GET 

include_once("simplehtmldom.php"); 

function errout($msg) { 
//    echo $msg; 
} 

function uriencode($data) { 
    $ret = str_replace(array('\r\n', '\r', '\n'), '', $data); 
    $ret = urlencode($ret); 
    return $ret; 
} 

if (!isset($_GET['link'])) 
    errout("Need link passed"); 

$uid = "895"; 
$link = $_GET['link']; 
$btn_url = "http://api.flattr.com/button/view/?"; 

$data = "uid=$uid&url=$link&lng=$lng"; 

# Now retrieve the button and extract some info from it 
$btn = file_get_html($btn_url . $data); 

if ($btn == '') 
    errout("Failed to get button code: $btn_url" . $data); 

$els = $btn->find("span.flattr-count"); 
$count = $els[0]->innertext; 

if ($count == "!") 
    errout("Error from flattr.com"); 

$els = $btn->find("a.flattr-pop"); 
$link = $els[0]->href; 

$els = $btn->find("span.flattr-link"); 
$txt = $els[0]->innertext; 

if ($link == '' or $txt == '') 
    errout("Invalid information from flattr.com"); 


if($_GET['callback'] != null) 
{ 
echo 'window[' . json_encode($_GET['callback']). '](' .$count . ');'; 
}else  
{ 
echo $count; 
} 

?>

script.js

$.get('http://example.com/fltr.php?link=http://wirres.net/article/articleview/5634/1/6/', function(data) {
    $('#element').html(data)
}, 'jsonp');​