Title: PHP Warning: array_flip():
Last modified: September 24, 2025

---

# PHP Warning: array_flip():

 *  Resolved [3xploiton3](https://wordpress.org/support/users/3xploiton3/)
 * (@3xploiton3)
 * [8 months, 1 week ago](https://wordpress.org/support/topic/php-warning-array_flip/)
 * [24-Sep-2025 08:02:01 UTC] PHP Warning: array_flip(): Can only flip string and
   integer values, entry skipped in /home/ifunholi/public_html/wp-content/plugins/
   wp-travel-engine/includes/classes/Plugin.php on line 639
 * [24-Sep-2025 08:02:01 UTC] PHP Warning: array_flip(): Can only flip string and
   integer values, entry skipped in /home/ifunholi/public_html/wp-content/plugins/
   wp-travel-engine/includes/classes/Plugin.php on line 639
   this error show in log

Viewing 1 replies (of 1 total)

 *  Plugin Support [Manjil Nepali](https://wordpress.org/support/users/manjilnepali/)
 * (@manjilnepali)
 * [8 months ago](https://wordpress.org/support/topic/php-warning-array_flip/#post-18657370)
 * Hello [@3xploiton3](https://wordpress.org/support/users/3xploiton3/),
 * Thank you for contacting WP Travel Engine team!.
 * We appreciate you bringing this to our attention. The warning message you’re 
   seeing is a **non-critical PHP warning** and does **not affect the core functionality**
   of the plugin.
 * That said, I’ve already reported this to our development team, and they’ll be
   addressing it in an upcoming update of WP Travel Engine to ensure cleaner logs
   and improved compatibility.
 * Please let us know if you notice any functional issues or if there’s anything
   else we can assist you with.
 * Best regards,
    -  This reply was modified 8 months ago by [Manjil Nepali](https://wordpress.org/support/users/manjilnepali/).

Viewing 1 replies (of 1 total)

The topic ‘PHP Warning: array_flip():’ is closed to new replies.

 * ![](https://ps.w.org/wp-travel-engine/assets/icon-256x256.png?rev=3161831)
 * [WP Travel Engine - Tour Booking Plugin - Tour Operator Software](https://wordpress.org/plugins/wp-travel-engine/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/wp-travel-engine/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/wp-travel-engine/)
 * [Active Topics](https://wordpress.org/support/plugin/wp-travel-engine/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/wp-travel-engine/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/wp-travel-engine/reviews/)

 * 1 reply
 * 2 participants
 * Last reply from: [Manjil Nepali](https://wordpress.org/support/users/manjilnepali/)
 * Last activity: [8 months ago](https://wordpress.org/support/topic/php-warning-array_flip/#post-18657370)
 * Status: resolved