Passing .PEM and .KEY as string in Curl using PHP

Question

I\'ve a CERT and private key files. I\'m using cUrl and PHP to connect to another service. At the moment, I\'ve cert and key in files and it works perfectly fine with following

Answer 1

I'm not SSL Expert but CURLOPT_SSLKEY is private.pem file of the CURLOPT_SSLCERT public.pem file?

My parameters

CURLOPT_CAINFO => /path/cacert.pem
CURLOPT_SSLKEY => /path/private.pem
CURLOPT_SSLCERT => /path/public.pem

Try my suggested answer and let me know if it is helpful or not.