The error message you encountered indicates that the OpenSSL extension is not enabled in your PHP configuration, which is required to load information from the HTTPS repository (in this case, repo.packagist.org) when using Composer.
To resolve this issue, you need to enable the OpenSSL extension in your php.ini file. Here's how you can do it:
1. Locate your php.ini file: The php.ini file is the configuration file for PHP. The location of this file may vary depending on your operating system and PHP installation. Common locations include:
- Windows: C:\php\php.ini or C:\Windows\php.ini
- Linux: /etc/php/php.ini
2. Open the php.ini file in a text editor.
3. Search for the following line: `;extension=openssl`
4. Remove the semicolon (;) at the beginning of the line to uncomment it.
5. Save the php.ini file and exit the text editor.
6. Restart your web server: After making changes to the php.ini file, you need to restart your web server for the changes to take effect. This step may vary depending on the web server you are using. For example:
- Apache: `sudo service apache2 restart`
- Nginx: `sudo service nginx restart`
7. Verify the OpenSSL extension: To ensure that the OpenSSL extension is now enabled, create a PHP file with the following content:
<?php
phpinfo();
?>
Save the file with a .php extension (e.g., info.php) and place it in your web server's document root folder.
8. Access the PHP file through a web browser: Open your web browser and visit the URL `http://localhost/info.php` (replace "localhost" with your server's domain or IP address). You should see a PHP information page. Search for "OpenSSL" on this page to confirm that the extension is enabled.
Once the OpenSSL extension is enabled, you should be able to use Composer and load packages from the HTTPS repository without encountering the "openssl extension" error.
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