Title: Undefined array key “HTTP_REFERER”
Last modified: August 19, 2025

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# Undefined array key “HTTP_REFERER”

 *  [priyanks](https://wordpress.org/support/users/priyanks/)
 * (@priyanks)
 * [9 months, 2 weeks ago](https://wordpress.org/support/topic/undefined-array-key-http_referer-3/)
 * Hello there,
 * I was investigating a slow down on my store and when I check the log file I see
   an entry as below – This is getting triggered multiple times. Although it appears
   as a PHP warning its still causing some amount of slowness.
   **“Undefined array
   key “HTTP_REFERER” in wp-content/plugins/woo-razorpay/includes/plugin-instrumentation.
   php on line 130″**Please advise how this can be resolved,
 * Thank you!! Priyanka.

The topic ‘Undefined array key “HTTP_REFERER”’ is closed to new replies.

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 * 0 replies
 * 1 participant
 * Last reply from: [priyanks](https://wordpress.org/support/users/priyanks/)
 * Last activity: [9 months, 2 weeks ago](https://wordpress.org/support/topic/undefined-array-key-http_referer-3/)
 * Status: not resolved