# See: https://github.com/googleapis/google-api-php-client/issues/843 Save the following to cacert.pem: https://curl.haxx.se/ca/cacert.pem put it here: C:\xampp\php\extras\ssl\cacert.pem in your php.ini put this line in this section: ;;;;;;;;;;;;;;;;;;;; ; php.ini Options ; ;;;;;;;;;;;;;;;;;;;; curl.cainfo = "C:\xampp\php\extras\ssl\cacert.pem" restart your webserver/apache