Title: Warning: Undefined array key &#8220;HTTP_HOST&#8221;
Last modified: October 19, 2023

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# Warning: Undefined array key “HTTP_HOST”

 *  Resolved [roundaboutweb](https://wordpress.org/support/users/roundaboutweb/)
 * (@roundaboutweb)
 * [2 years, 7 months ago](https://wordpress.org/support/topic/warning-undefined-array-key-http_host-2/)
 *     ```wp-block-code
       Warning: Undefined array key "HTTP_HOST" in /.../wp-content/plugins/clickwhale/admin/helpers/class-clickwhale-helper.php on line 253
       Warning: Undefined array key "HTTP_HOST" in /.../wp-content/plugins/clickwhale/admin/helpers/class-clickwhale-helper.php on line 259
       ```
   

Viewing 5 replies - 1 through 5 (of 5 total)

 *  [c01dplace](https://wordpress.org/support/users/c01dplace/)
 * (@c01dplace)
 * [2 years, 7 months ago](https://wordpress.org/support/topic/warning-undefined-array-key-http_host-2/#post-17145747)
 * Edited
    -  This reply was modified 2 years, 7 months ago by [c01dplace](https://wordpress.org/support/users/c01dplace/).
 *  [Hung PD](https://wordpress.org/support/users/nhalauxehoi/)
 * (@nhalauxehoi)
 * [2 years, 7 months ago](https://wordpress.org/support/topic/warning-undefined-array-key-http_host-2/#post-17145750)
 * Hey [@roundaboutweb](https://wordpress.org/support/users/roundaboutweb/),
 * Thanks for letting us know!
 * It would be very helpful, if you could please tell us which version you’re using.
 * Regards,
 *  Thread Starter [roundaboutweb](https://wordpress.org/support/users/roundaboutweb/)
 * (@roundaboutweb)
 * [2 years, 7 months ago](https://wordpress.org/support/topic/warning-undefined-array-key-http_host-2/#post-17147073)
 * The latest available version 1.5.1
 *  Plugin Author [flowdee](https://wordpress.org/support/users/flowdee/)
 * (@flowdee)
 * [2 years, 7 months ago](https://wordpress.org/support/topic/warning-undefined-array-key-http_host-2/#post-17149513)
 * Thanks for your reply [@roundaboutweb](https://wordpress.org/support/users/roundaboutweb/).
 * We’re going to release a fix for this asap.
 *  Plugin Author [flowdee](https://wordpress.org/support/users/flowdee/)
 * (@flowdee)
 * [2 years, 6 months ago](https://wordpress.org/support/topic/warning-undefined-array-key-http_host-2/#post-17169050)
 * We just released a new version which resolves the issue. Thanks again for letting
   us know!

Viewing 5 replies - 1 through 5 (of 5 total)

The topic ‘Warning: Undefined array key “HTTP_HOST”’ is closed to new replies.

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 * 8 replies
 * 4 participants
 * Last reply from: [flowdee](https://wordpress.org/support/users/flowdee/)
 * Last activity: [2 years, 6 months ago](https://wordpress.org/support/topic/warning-undefined-array-key-http_host-2/#post-17169050)
 * Status: resolved