<?php
function rs_check($url){
    if (!$url) return false;
    $files_pattern= '/\/files\/([^\/]*)\//';
    $filename_pattern= '/\/files\/.*\/(.*)/';
    preg_match($files_pattern, $url, $matches_id);
    preg_match($filename_pattern, $url, $matches_name);
    $res= file_get_contents("http://api.rapidshare.com/cgi-bin/rsapi.cgi?sub=checkfiles_v1&files={$matches_id[1]}&filenames={$matches_name[1]}");
    list($fId,$fName,$fSize,$fServerId,$fStatus,$fShortHost,$fmd5) =explode(',',$res);
    return ($fStatus==1 || $fStatus==2);
}
?>