Title: PHP 8 Warning
Last modified: June 27, 2022

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# PHP 8 Warning

 *  [darkallman](https://wordpress.org/support/users/darkallman/)
 * (@darkallman)
 * [3 years, 11 months ago](https://wordpress.org/support/topic/php-8-warning-12/)
 *     ```
       PHP Warning: Attempt to read property "post_type" on null in /wp-content/plugins/product-gtin-ean-upc-isbn-for-woocommerce/includes/class.product-gtin-wc-frontend.php on line 302
       PHP Warning: Attempt to read property "ID" on null in /wp-content/plugins/product-gtin-ean-upc-isbn-for-woocommerce/includes/class.product-gtin-wc-frontend.php on line 306'
       ```
   

The topic ‘PHP 8 Warning’ is closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/product-gtin-ean-upc-isbn-for-woocommerce.
   svg)
 * [Product GTIN (EAN, UPC, ISBN) for WooCommerce](https://wordpress.org/plugins/product-gtin-ean-upc-isbn-for-woocommerce/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/product-gtin-ean-upc-isbn-for-woocommerce/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/product-gtin-ean-upc-isbn-for-woocommerce/)
 * [Active Topics](https://wordpress.org/support/plugin/product-gtin-ean-upc-isbn-for-woocommerce/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/product-gtin-ean-upc-isbn-for-woocommerce/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/product-gtin-ean-upc-isbn-for-woocommerce/reviews/)

 * 0 replies
 * 1 participant
 * Last reply from: [darkallman](https://wordpress.org/support/users/darkallman/)
 * Last activity: [3 years, 11 months ago](https://wordpress.org/support/topic/php-8-warning-12/)
 * Status: not resolved