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

Change the extention in php.ini file uncomment by removing ; like below

;extension=php_bz2.dll
extension=php_curl.dll
;extension=php_dba.dll

Then restart all services and it will work.