Title: HTTP_REFERER undefined!
Last modified: May 3, 2024

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# HTTP_REFERER undefined!

 *  [tonygao](https://wordpress.org/support/users/tonygao/)
 * (@tonygao)
 * [2 years, 1 month ago](https://wordpress.org/support/topic/http_referer-undefined/)
 * [01-May-2024 09:12:00 UTC] PHP Warning: Undefined array key “HTTP_REFERER” in/
   public_html/wp-content/plugins/wp-crowdfunding/wp-crowdfunding.php on line 63

The topic ‘HTTP_REFERER undefined!’ is closed to new replies.

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 * 0 replies
 * 1 participant
 * Last reply from: [tonygao](https://wordpress.org/support/users/tonygao/)
 * Last activity: [2 years, 1 month ago](https://wordpress.org/support/topic/http_referer-undefined/)
 * Status: not resolved