Title: PHP 8.1x Errors – Undefined Key
Last modified: February 23, 2023

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# PHP 8.1x Errors – Undefined Key

 *  Resolved [Rick Hellewell](https://wordpress.org/support/users/rhellewellgmailcom/)
 * (@rhellewellgmailcom)
 * [3 years, 3 months ago](https://wordpress.org/support/topic/php-8-1x-errors-undefined-key/)
 * Errors with PHP 8.1x:
 * Warning Undefined array key “HTTP_CLIENT_IP”20
 * wp-content/plugins/comments-like-dislike/inc/classes/cld-library.php:58Plugin:
   comments-like-dislikeWarning
 * Undefined array key “HTTP_X_FORWARDED_FOR”20
 * wp-content/plugins/comments-like-dislike/inc/classes/cld-library.php:59Plugin:
   comments-like-dislike

Viewing 4 replies - 1 through 4 (of 4 total)

 *  Plugin Author [Happy Coders](https://wordpress.org/support/users/happy-coders/)
 * (@happy-coders)
 * [3 years, 3 months ago](https://wordpress.org/support/topic/php-8-1x-errors-undefined-key/#post-16504701)
 * Hi Rick,
 * Thank you for the notification of the error. We are checking and will get back
   to you shortly on this.
 * Regards,
 * WPHC
 *  Plugin Author [Happy Coders](https://wordpress.org/support/users/happy-coders/)
 * (@happy-coders)
 * [3 years, 3 months ago](https://wordpress.org/support/topic/php-8-1x-errors-undefined-key/#post-16510845)
 * Hello [@rhellewellgmailcom](https://wordpress.org/support/users/rhellewellgmailcom/),
 * We have just released a new version with the fix of the issue that you had reported.
   Please check and let us know if issue has been resovled or not.
 * Thanks.
 *  Thread Starter [Rick Hellewell](https://wordpress.org/support/users/rhellewellgmailcom/)
 * (@rhellewellgmailcom)
 * [3 years, 3 months ago](https://wordpress.org/support/topic/php-8-1x-errors-undefined-key/#post-16510961)
 * Error has been fixed. after applying update Thanks for the efforts.
 *  Plugin Author [Happy Coders](https://wordpress.org/support/users/happy-coders/)
 * (@happy-coders)
 * [3 years, 3 months ago](https://wordpress.org/support/topic/php-8-1x-errors-undefined-key/#post-16512328)
 * Hi [@rhellewellgmailcom](https://wordpress.org/support/users/rhellewellgmailcom/),
 * Thank you for the confirmation. Please let us know if you have any further queries
   or suggestions regarding our plugin.
 * And if you really liked our plugin then can you please give us a review because
   that is the only thing that will keep us motivated to make the plugin even better.
 * Thanks.

Viewing 4 replies - 1 through 4 (of 4 total)

The topic ‘PHP 8.1x Errors – Undefined Key’ is closed to new replies.

 * ![](https://ps.w.org/comments-like-dislike/assets/icon-256x256.png?rev=1572616)
 * [Comments Like Dislike](https://wordpress.org/plugins/comments-like-dislike/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/comments-like-dislike/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/comments-like-dislike/)
 * [Active Topics](https://wordpress.org/support/plugin/comments-like-dislike/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/comments-like-dislike/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/comments-like-dislike/reviews/)

 * 4 replies
 * 2 participants
 * Last reply from: [Happy Coders](https://wordpress.org/support/users/happy-coders/)
 * Last activity: [3 years, 3 months ago](https://wordpress.org/support/topic/php-8-1x-errors-undefined-key/#post-16512328)
 * Status: resolved