RollingCurl.php zero byte response - php

Question

Anyone know anything about troubleshooting a PHP Curl problem? I have been using RollingCurl with great success on my OSX laptop, however when I upload to my Ubuntu server the same code fails to yield a result.
So there is clearly something wrong server side, the error logs are clean. I have no idea what to check... any help? Anyone!?
Thank you so much in advance, Stu
![http://rolling-curl.googlecode.com/svn/trunk/
Ubuntu 12.04 result
Array ( \[url\] => \[content_type\] => \[http_code\] => 0 \[header_size\] => 0 \[request_size\] => 0 \[filetime\] => 0 \[ssl_verify_result\] => 0 \[redirect_count\] => 0 \[total_time\] => 0 \[namelookup_time\] => 0 \[connect_time\] => 0 \[pretransfer_time\] => 0 \[size_upload\] => 0 \[size_download\] => 0 \[speed_download\] => 0 \[speed_upload\] => 0 \[download_content_length\] => -1 \[upload_content_length\] => -1 \[starttransfer_time\] => 0 \[redirect_time\] => 0 \[certinfo\] => Array ( ) \[redirect_url\] => )
Local OSX Leoard result
Array ( \[url\] => http://www.google.co.uk/ \[content_type\] => text/html; charset=ISO-8859-1 \[http_code\] => 200 \[header_size\] => 1535 \[request_size\] => 108 \[filetime\] => -1 \[ssl_verify_result\] => 0 \[redirect_count\] => 1 \[total_time\] => 0.597785 \[namelookup_time\] => 0.033881 \[connect_time\] => 0.070866 \[pretransfer_time\] => 0.070939 \[size_upload\] => 0 \[size_download\] => 43439 \[speed_download\] => 72666 \[speed_upload\] => 0 \[download_content_length\] => 221 \[upload_content_length\] => 0 \[starttransfer_time\] => 0.171418 \[redirect_time\] => 0.147887 )][1]

Answer 1

if (ini_get('safe_mode') == 'Off' || !ini_get('safe_mode')) {
$options[CURLOPT_FOLLOWLOCATION] = 1;
$options[CURLOPT_MAXREDIRS] = 5;
}
Here is the problem... I commented it out to test and BANG.... flys into action. Thank you all for your help.

Answer 2

Check your php.ini configuration file in your ubuntu server. In this article you can see many of the good practices that many people (and now, some packages do) to protect their servers from attacks: http://blog.up-link.ro/php-security-tips-securing-php-by-hardening-php-configuration/
UPDATE.
To make it more clear:
Log in to your ubuntu server as an admin user.
Change to the configuration file's directory
cd /etc/PHP5
Search in the file for allow_url_fopen = Off value by using the following command:
sudo nano php.ini
Change the value to On and press CTRL+X answer "yes" to save the changes and quit nano editor