Resolved : cURL error 60: SSL certificate: unable to get local issuer certificate

working solution:

•   Assuming On windows

XAMPP server

similar for other environment - download and extract for cacert.pem here (a clean file format/data)

Download From  :  https://curl.haxx.se/docs/caextract.html

•             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

Problem solved!