in meteobridge version wuupdate.php is not part of the forecast the forecast data is driven by mbdbfiles/stationcron.php which is called by meteobridge
<?php
if ($position6=="forecast3ds.php"){
// weather34 darksky curl based
$url4a = 'https://api.forecast.io/forecast/'.$apikey.'/'.$lat.','.$lon.'?lang='.$language.'&units='.$darkskyunit ;
$ch4a = curl_init($url4a);
$filename4a = '../jsondata/darksky.txt';
$complete_save_loc4a = $filename4a;
$fp4a = fopen($complete_save_loc4a, 'wb');
curl_setopt($ch4a, CURLOPT_FILE, $fp4a);
curl_setopt($ch4a, CURLOPT_HEADER, 0);
curl_exec($ch4a);
curl_close($ch4a);
fclose($fp4a);}?>