Call to undefined function curl_init() error in wamp 2.2

Question

I am having below error when I try to implement google and facebook authentication in windows 7 using wamp server.

Fatal error: Call

Answer 1

just a guess - this section in php.ini does not reference the correct location

; Directory in which the loadable extensions (modules) reside.
extension_dir = *some value*

http://www.php.net/manual/en/ini.core.php#ini.extension-dir

edit

Also, look for this block in your phpinfo, if it's not there, curl isn't loading (obviously). You're not looking for matching version numbers - just for the block's existence.

edit

look at this question also

PHP and CURL under Windows 7 64 bits and Apache