$datum = date("Ymd-His");
$remoteImage = "http://admin:PWD@IPADRESSE:PORT/cgi/jpg/image.cgi"; # KAMERAABHÄNGIG
$localImage  = "D:\VIDEO\BILD_".$datum.".jpg"; #ANPASSEN

#Downloaden
$content = @file_get_contents($remoteImage);
if((strpos($http_response_header[0], "200") === false))
 {
 return;
 }

#Speichern
file_put_contents( $localImage, $content );