How to view SSL certificate information in php

This article introduces how to usePHPto view SSL certificate information. The article introduces it to you through pictures, texts and examples. Friends can refer to it if necessary. Let's take a look together.

Preface

SSL certificate complies with the SSL protocol and is issued by a trusted digital certificate authority CA after verifying the server's identity. It has server identity verification and data transmission. Encryption function. The following is an example of viewing SSL certificate information through PHP. You can take a look if you need it.

Sample code

Note: The certificate needs to use the base64 encoded cer certificate.

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