[Help] dynamic-thumbnails-from-websites

I read this tutorial:
http://www.web-development-blog.com/archives/dynamic-thumbnails-from-websites/

but it not work with me:
http://www.MyDomain.com/thumb.php?url=webdigity.com

this the code in [thumb.php]:
<?php
function thumbnail($url) {
$client_id = 'sc010xxx'; // your client ID
$signature = '2007'; // the signature you entered @ girafa 
$concatenated = $signature.$url;
$MD5_Hash =    md5($concatenated);
$signature = substr($MD5_Hash, 16, 16);
$url = urlencode($url);
$str = 'http://scst.srv.girafa.com/srv/i?i= ';
$str .= $client_id .'&r='. $url .'&s='. $signature;
return $str;
}
?>


Please tell me how to correct it,
and how to use the second script to cache the thumbnails on my own web server


Best Regards.

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What error you get?

There is no error! only blank screen!

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Try this first :

ini_set('display_errors',true);

Do you get any error now?

Hello Nikolas,


I add that line, the same thing blank screen!

I'm using that [thumb.php] with other scripts, and I link with it by <img> code:

Code:

<img  src="/thumb.php?url=www.somedomain.com" width="160" height="120" />

the resulte is X image!

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Can you tell us the url of your script?

http://www.xxxx.xxx/thumb.php

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I have used the exact snippet you posted and it is working.

The use should be something like :

echo '<img  src="'.thumbnail('example.com').'" width="160" height="120" />'; 

Thank you!
the other thing if I want to cache the thumbnails on my own web server?

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Check those functions :

file_get_contents
fopen
fwrite
fclose

If you need any assistance post in the forum

thank you
I think it's the last one 

Check those functions :

file_get_contents
fopen
fwrite
fclose

If you need any assistance post in the forum

many servers don't allow the use of fopen, and file_get_contents for security reasons so you may wish to look at curl instead if yoyur server is one of them, for example Dreamhosts prevents fopen

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Right, you can check this cURL tutorial for more information on curl.

Hello again,

I think I have problem with $Signature code, I check both Signature resulte from the script and from Thumbnail URL Generator at Girafa.
they are not same code! for that I get X image!
for ex:
when I check msn.com in Thumbnail URL Generator the Signature will be:
4d9d906c622f00c6
but from this script [thumb.php]:
6daf94d3156e446d

I fix it, thank you again for help.

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Thanks people to help this guy with my tutorial

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Thanks people to help this guy with my tutorial

No problem. I will charge this to your account

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