Title: PHP Warning: Undefined array key terms
Last modified: June 26, 2025

---

# PHP Warning: Undefined array key terms

 *  Resolved [tunyk](https://wordpress.org/support/users/tunyk/)
 * (@tunyk)
 * [11 months, 2 weeks ago](https://wordpress.org/support/topic/php-warning-undefined-array-key-terms-2/)
 * I’ve been seeing this error in my hosting logs since early May. I’m currently
   using the latest version 3.7.3
 * PHP Warning: Undefined array key “terms” in /home/mywebsite/website.com/www/wp-
   content/plugins/polylang/frontend/canonical.php on line 174
 * The site in the example path has been replaced.
 * How to fix it?

Viewing 1 replies (of 1 total)

 *  Plugin Contributor [Sebastien SERRE](https://wordpress.org/support/users/sebastienserre/)
 * (@sebastienserre)
 * [11 months, 2 weeks ago](https://wordpress.org/support/topic/php-warning-undefined-array-key-terms-2/#post-18529689)
 * Hello,
   Thank you for reporting this warning. We’ll protect our code from this
   warning in a future Polylang release.

Viewing 1 replies (of 1 total)

The topic ‘PHP Warning: Undefined array key terms’ is closed to new replies.

 * ![](https://ps.w.org/polylang/assets/icon-256x256.png?rev=3433336)
 * [Polylang](https://wordpress.org/plugins/polylang/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/polylang/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/polylang/)
 * [Active Topics](https://wordpress.org/support/plugin/polylang/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/polylang/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/polylang/reviews/)

## Tags

 * [php](https://wordpress.org/support/topic-tag/php/)

 * 1 reply
 * 2 participants
 * Last reply from: [Sebastien SERRE](https://wordpress.org/support/users/sebastienserre/)
 * Last activity: [11 months, 2 weeks ago](https://wordpress.org/support/topic/php-warning-undefined-array-key-terms-2/#post-18529689)
 * Status: resolved