<?php
// http://atelier801.com/section?f=7&s=1&s_d=&t_d=&p=4
$forumID    = $_GET['f'];
$sectionID  = $_GET['s'];
$topicID    = $_GET['t'];
$pageNum    = (array_key_exists('p', $_GET)) ? $_GET['p'] : 0;


while(true){

$url  = 'http://atelier801.com/section';
$url .= '?f=' . $forumID;
$url .= '&s=' . $sectionID;
$url .= ($pageNum != null) ? '&p=' . $pageNum : '';

$page = file_get_contents($url);


$regex= '/<a class="nombre-messages([^\"]*)" href="topic\?f=' . $forumID . '&t=' . $topicID . '([^\"]*)">([^<]*)<\/a>/i';
    if(preg_match($regex, $page, $matches))
    {
        //var_dump($matches);
        echo $matches[3];
        break;
    }else{
            $pageNum = $pageNum + 1;
    }
    if($pageNum==70){
        echo '-1';
        break;
    }
}

?>