How to view the content of interned Strings buffer?

On Adminsitration settings page I spotted this warning. I want to know how can I view the content of interned Strings buffer?

The PHP OPcache module is not properly configured. See the documentation :arrow_upper_right: for more information.

  • The OPcache interned strings buffer is nearly full. To assure that repeating strings can be effectively cached, it is recommended to apply opcache.interned_strings_buffer to your PHP configuration with a value higher than 8.

I think I got it by installing at /var/www/html/ : GitHub - amnuts/opcache-gui: A clean, effective and responsive interface for Zend OPcache

and opened: /opcache-gui

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