Title: PHP Errors resulting in Invalid Post Code Error
Last modified: March 15, 2021

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# PHP Errors resulting in Invalid Post Code Error

 *  [Adrenaline22](https://wordpress.org/support/users/slogmaps/)
 * (@slogmaps)
 * [5 years, 2 months ago](https://wordpress.org/support/topic/php-errors-resulting-in-invalid-post-code-error/)
 * There a tons off PHP errors every minute:
 * `[13-Mar-2021 17:51:40 UTC] PHP Warning: in_array() expects parameter 2 to be
   array, bool given in /home/devakamcom/public_html/wp-content/plugins/checkout-
   fees-for-woocommerce/includes/class-alg-wc-checkout-fees.php on line 84`
 * Resulting in users receiving invalid Post Code on checkout.
 * Our setup is:
    – WP Multisite – Oxygen Builder
 * We lost thousands of dollars in advertise spend because of this.

The topic ‘PHP Errors resulting in Invalid Post Code Error’ is closed to new replies.

 * ![](https://ps.w.org/checkout-fees-for-woocommerce/assets/icon-256x256.jpg?rev
   =2818154)
 * [Payment Gateway Based Fees and Discounts for WooCommerce](https://wordpress.org/plugins/checkout-fees-for-woocommerce/)
 * [Support Threads](https://wordpress.org/support/plugin/checkout-fees-for-woocommerce/)
 * [Active Topics](https://wordpress.org/support/plugin/checkout-fees-for-woocommerce/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/checkout-fees-for-woocommerce/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/checkout-fees-for-woocommerce/reviews/)

 * 0 replies
 * 1 participant
 * Last reply from: [Adrenaline22](https://wordpress.org/support/users/slogmaps/)
 * Last activity: [5 years, 2 months ago](https://wordpress.org/support/topic/php-errors-resulting-in-invalid-post-code-error/)
 * Status: not resolved