In Wamp server you will get following error by lot of times (like charge a credit card).
cURL error 60: SSL certificate: unable to get local issuer certificate
You may try like restarting the Server, ssl_module enabled, php_curl enabled,.. but sill you get the same cURL problem, Please do following simple things,
You can download the cacert.pem file from here.
After download, extract that and get the clean format file.
Please put that cacert.pem file in correct place.
Open your php.ini file from following location
And add line like following,
curl.cainfo = “C:\xampp\php\extras\ssl\cacert.pem”
Then Start/Restart your webserver.
Now you solved the cURL error 60: SSL certificate: unable to get local issuer certificate Problem.