Lot of user are searching the solution for this issue, curl_init()
here is the solution
Wamp Server 2.2 Windows 7 64-bit and curl not working side-by-side configuration incorrect
Go to [www.anindya.com] download php_curl-5.4.3-VC9-x64.zip under "Fixed curl extensions:" and replace the php_curl.dll in ext folder. This worked for me.