Google Vision SSL certificate problem: unable to get local issuer certificate

GuzzleHttp\Exception\RequestException
Message: cURL error 60: SSL certificate problem: unable to get local issuer certificate (see https://curl.haxx.se/libcurl/c/libcurl-errors.html)

Solution

In php.ini add or uncomment the line curl.cainfo :

[curl]
; A default value for the CURLOPT_CAINFO option. This is required to be an
; absolute path.
curl.cainfo = C:\php-7.4.21\cacert.pem

Download the latest cacert.pem at https://curl.se/ca/cacert.pem