Curl: (certificate) SSL problem:unable to get local issuer certificate error, curlissuer_php tutorial

Curl: (+) SSL certificate problem:unable to get local issuer certificate error, Curlissuer

This issue occurs because the trusted server HTTPS authentication is not configured. By default, curl is set to not trust any CAs, which means that it does not trust any server authentication. Therefore, this is why the browser cannot access your server over HTTPS. When this issue occurs, the best way for a network programmer is to fully specify a default set of trusted CAs, provided that you have already purchased a certificate from these CAs.
If your content is not sensitive, a quick way is to skip the SSL check before using Curl_exec ():

curl_setopt ($chfalse);

SSL Error 86 workaround

Error message: Unable to verify security certificate unable go get local issuer certificate.
The translation of English error messages is "Unable to obtain a certificate issuer" because the CA certificate for this certificate is not installed on your computer.

What you need to do is to obtain the certificate's CA certificate and install it on your computer.

How to install certificates for wget under Linux

Take a good look at Wget's help, add-no-check-certificate options, and try.

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