I've been getting the message: "Fatal error: Call to undefined function: curl_init()" on the curl_init() line of the AuthorizeNet_AIM.php file.

I've got Apache2 with modSSL 2.0.59, php 4.4.4, and the most recent version of ZenCart installed.

I've uncommented the extension=php_curl.dll line in php.ini.

I've attempted the other connection method code for the authorizenet_aim.php presented elsewhere in the forums.

I'm pretty sure I have all the DLL's in system32.

I can't figure it out. I've followed every instruction I can. This is the only issue I'm having. I've got SSL working everywhere, everything else is perfect. We've already delayed the site a week moving from securepay to authorize.net, and now this.

Please help.