Solution to PHP unable to obtain data after IIS installs SSL certificate

When using an IIS server to add an SSL certificate to a website, sometimes there may be a problem that PHP cannot obtain data. This situation is most likely due to the fact that when you installed the SSL certificate, you did not bind the certificate to the web server. Below, we'll detail how to fix this problem.

Step one: Check the certificate bound to the server

First you need to check whether the certificate bound to the server is correct. Open IIS Manager, select the server name in the left navigation bar, and the basic information of the current server will be displayed on the right. Select the "Server Certificates" tab in the right window and if your server has a certificate installed, you will see a list of certificates here.

Check the details of the installed certificate and ensure that the certificate’s issuer and validity period match the SSL certificate you want to use.

If you don't see the certificate here, you need to import the certificate to your current server. Click the "Import" button, select your certificate file, and follow the wizard step by step to import.

Step 2: Bind the certificate with the website

If the certificate has been installed correctly on the web server, but PHP still cannot get the data, you need to check if Bind this certificate to the website.

In IIS Manager, select the website you want to bind the certificate to, right-click and select the "Edit Bindings" option. This will open the Site Bindings dialog box.

In the "Site Bindings" dialog box, click the Add button, select the https type, and then click the "OK" button.

In the next dialog box, select the certificate you want to use and click the "OK" button.

Now you have bound the certificate with your website.

Step 3: Modify the php.ini configuration file

If PHP still cannot get the data, you need to change it in the php.ini configuration file.

Open the php.ini configuration file and add the following content to the file:

extension=php_openssl.dll

These are the OpenSSL extensions for PHP, they will enable communication with SSL. Make sure this line is in the extensions section of your php.ini file.

Save the configuration and exit the php.ini file.

Restart the IIS server

Restart the IIS server and you should be able to obtain data normally using the installed SSL certificate.

Conclusion

Through the above three steps, you can solve the problem that PHP cannot obtain data after IIS installs the SSL certificate. If you encounter any other issues, please contact your SSL certificate provider and they will be happy to assist you.

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