sourcecode van site niet beschikbaar (fopen)

<?php
$ch = curl_init();
$timeout = 0; // set to zero for no timeout
curl_setopt ($ch, CURLOPT_URL, 'http://www.flitsservice.nl/');
curl_setopt ($ch,CURLOPT_HTTPHEADER,array('HeaderName: HeaderValue'));
curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
$file_contents = curl_exec($ch);
curl_close($ch);

// display file
echo "<textarea>".$file_contents."</textarea>";

?>

<?php
$ch = curl_init();
$timeout = 0; // set to zero for no timeout
curl_setopt ($ch, CURLOPT_URL, 'http://www.flitsservice.nl/');
curl_setopt ($ch,CURLOPT_HTTPHEADER,array('HeaderName: HeaderValue'));
curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
$file_contents = curl_exec($ch);
curl_close($ch);
 
// display file
echo "<textarea>".$file_contents."</textarea>";
 
?>