You may get this error message file_get_contents() [function.file-get-contents]: http:// wrapper is disabled in the server configuration by allow_url_fopen=0 as for some reason, the default server configuration will not allow to get remote content via URL by using PHP’s function file_get_contents
In order to fix this issue, you need to turn on or uncomment the allow_url_fopen directive in the php.ini file
allow_url_fopen = On |
And don’t forget to restart the website or apache to get updated.