cURL error 60: SSL certificate problem: self signed certificate in certificate chain (see http://curl.haxx.se/libcurl/c/libcurl-errors.html)

 

1. Downloading up-to-date cacert.pem file from cURL website and

2. Paste in PHP Folder 

3. Setting a path to it in your php/php.ini file, e.g. on Windows:

   curl.cainfo=c:\xampp\php\cacert.pem

That's it!

Error can resolve using this method but it is not recommanded . It is dangerous 

curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);