Title: Error message : Warning: array_key_exists():
Last modified: August 11, 2020

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# Error message : Warning: array_key_exists():

 *  Resolved [gsaxita](https://wordpress.org/support/users/gsaxita/)
 * (@gsaxita)
 * [5 years, 9 months ago](https://wordpress.org/support/topic/error-message-warning-array_key_exists/)
 * Warning: array_key_exists(): The first argument should be either a string or 
   an integer in /home/mhd-01/www.rosettisax.it/htdocs/pizza/wp-content/plugins/
   restropress/includes/gateways/functions.php
 * I got this message .
    In case the is the Theme the problem and you raccomand 
   one
 * pz my email is [oldhorn@gmail.com](https://wordpress.org/support/topic/error-message-warning-array_key_exists/oldhorn@gmail.com?output_format=md)
   
   mail me thanks ]
 * \giorgio
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Ferror-message-warning-array_key_exists%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 2 replies - 1 through 2 (of 2 total)

 *  Thread Starter [gsaxita](https://wordpress.org/support/users/gsaxita/)
 * (@gsaxita)
 * [5 years, 9 months ago](https://wordpress.org/support/topic/error-message-warning-array_key_exists/#post-13247950)
 * Kshirod Patel (@kshirod-patel)
    mr way not replay me ?
 *  Thread Starter [gsaxita](https://wordpress.org/support/users/gsaxita/)
 * (@gsaxita)
 * [5 years, 9 months ago](https://wordpress.org/support/topic/error-message-warning-array_key_exists/#post-13248675)
 * done thanks a user mail me

Viewing 2 replies - 1 through 2 (of 2 total)

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 * 2 replies
 * 1 participant
 * Last reply from: [gsaxita](https://wordpress.org/support/users/gsaxita/)
 * Last activity: [5 years, 9 months ago](https://wordpress.org/support/topic/error-message-warning-array_key_exists/#post-13248675)
 * Status: resolved