Title: Errors on PHP 8.1 Last modified: September 27, 2023 --- # Errors on PHP 8.1 * Resolved [Simon](https://wordpress.org/support/users/simonskaar/) * (@simonskaar) * [2 years, 8 months ago](https://wordpress.org/support/topic/errors-on-php-8-1-2/) * Hi there, I tried to use PHP 8.1 with a WooCommerce site that has your plugin. I get a lot of debug “errors” that you might want to fix: * [27-Sep-2023 07:48:25 UTC] PHP Deprecated: stripslashes(): Passing null to parameter# 1 ($string) of type string is deprecated in /home/X/wp-content/plugins/klarna- payments-for-woocommerce/vendor/krokedil/woocommerce/src/Cart/CartCustomer.php on line 62 [27-Sep-2023 07:48:25 UTC] PHP Deprecated: stripslashes(): Passing null to parameter #1 ($string) of type string is deprecated in /home/X/wp-content/ plugins/klarna-payments-for-woocommerce/vendor/krokedil/woocommerce/src/Cart/ CartCustomer.php on line 71 [27-Sep-2023 07:48:25 UTC] PHP Deprecated: stripslashes(): Passing null to parameter #1 ($string) of type string is deprecated in /home/ X/wp-content/plugins/klarna-payments-for-woocommerce/vendor/krokedil/woocommerce/ src/Cart/CartCustomer.php on line 80 [27-Sep-2023 07:48:25 UTC] PHP Deprecated: stripslashes(): Passing null to parameter #1 ($string) of type string is deprecated in /home/X/wp-content/plugins/klarna-payments-for-woocommerce/vendor/krokedil/ woocommerce/src/Cart/CartCustomer.php on line 89 [27-Sep-2023 07:48:25 UTC] PHP Deprecated: stripslashes(): Passing null to parameter #1 ($string) of type string is deprecated in /home/X/wp-content/plugins/klarna-payments-for-woocommerce/vendor/ krokedil/woocommerce/src/Cart/CartCustomer.php on line 98 [27-Sep-2023 07:48: 25 UTC] PHP Deprecated: stripslashes(): Passing null to parameter #1 ($string) of type string is deprecated in /home/X/wp-content/plugins/klarna-payments-for- woocommerce/vendor/krokedil/woocommerce/src/Cart/CartCustomer.php on line 107[ 27-Sep-2023 07:48:25 UTC] PHP Deprecated: stripslashes(): Passing null to parameter# 1 ($string) of type string is deprecated in /home/X/wp-content/plugins/klarna- payments-for-woocommerce/vendor/krokedil/woocommerce/src/Cart/CartCustomer.php on line 116 [27-Sep-2023 07:48:25 UTC] PHP Deprecated: stripslashes(): Passing null to parameter #1 ($string) of type string is deprecated in /home/X/wp-content/ plugins/klarna-payments-for-woocommerce/vendor/krokedil/woocommerce/src/Cart/ CartCustomer.php on line 125 [27-Sep-2023 07:48:25 UTC] PHP Deprecated: stripslashes(): Passing null to parameter #1 ($string) of type string is deprecated in /home/ X/wp-content/plugins/klarna-payments-for-woocommerce/vendor/krokedil/woocommerce/ src/Cart/CartCustomer.php on line 143 [27-Sep-2023 07:48:25 UTC] PHP Deprecated: stripslashes(): Passing null to parameter #1 ($string) of type string is deprecated in /home/X/wp-content/plugins/klarna-payments-for-woocommerce/vendor/krokedil/ woocommerce/src/Cart/CartCustomer.php on line 152 [27-Sep-2023 07:48:25 UTC] PHP Deprecated: stripslashes(): Passing null to parameter #1 ($string) of type string is deprecated in /home/X/wp-content/plugins/klarna-payments-for-woocommerce/ vendor/krokedil/woocommerce/src/Cart/CartCustomer.php on line 170 [27-Sep-2023 07:48:25 UTC] PHP Deprecated: stripslashes(): Passing null to parameter #1 ($ string) of type string is deprecated in /home/X/wp-content/plugins/klarna-payments- for-woocommerce/vendor/krokedil/woocommerce/src/Cart/CartCustomer.php on line 179 [27-Sep-2023 07:48:25 UTC] PHP Deprecated: stripslashes(): Passing null to parameter #1 ($string) of type string is deprecated in /home/X/wp-content/plugins/ klarna-payments-for-woocommerce/vendor/krokedil/woocommerce/src/Cart/CartCustomer. php on line 188 [27-Sep-2023 07:48:25 UTC] PHP Deprecated: stripslashes(): Passing null to parameter #1 ($string) of type string is deprecated in /home/X/wp-content/ plugins/klarna-payments-for-woocommerce/vendor/krokedil/woocommerce/src/Cart/ CartCustomer.php on line 197 [27-Sep-2023 07:48:25 UTC] PHP Deprecated: stripslashes(): Passing null to parameter #1 ($string) of type string is deprecated in /home/ X/wp-content/plugins/klarna-payments-for-woocommerce/vendor/krokedil/woocommerce/ src/Cart/CartCustomer.php on line 206 [27-Sep-2023 07:48:25 UTC] PHP Deprecated: stripslashes(): Passing null to parameter #1 ($string) of type string is deprecated in /home/X/wp-content/plugins/klarna-payments-for-woocommerce/vendor/krokedil/ woocommerce/src/Cart/CartCustomer.php on line 215 [27-Sep-2023 07:48:25 UTC] PHP Deprecated: stripslashes(): Passing null to parameter #1 ($string) of type string is deprecated in /home/X/wp-content/plugins/klarna-payments-for-woocommerce/ vendor/krokedil/woocommerce/src/Cart/CartCustomer.php on line 224 [27-Sep-2023 07:48:25 UTC] PHP Deprecated: stripslashes(): Passing null to parameter #1 ($ string) of type string is deprecated in /home/X/wp-content/plugins/klarna-payments- for-woocommerce/vendor/krokedil/woocommerce/src/Cart/CartCustomer.php on line 233 [27-Sep-2023 07:48:25 UTC] PHP Deprecated: stripslashes(): Passing null to parameter #1 ($string) of type string is deprecated in /home/X/wp-content/plugins/ klarna-payments-for-woocommerce/vendor/krokedil/woocommerce/src/Cart/CartCustomer. php on line 161 [27-Sep-2023 07:48:25 UTC] PHP Deprecated: stripslashes(): Passing null to parameter #1 ($string) of type string is deprecated in /home/X/wp-content/ plugins/klarna-payments-for-woocommerce/vendor/krokedil/woocommerce/src/Cart/ CartCustomer.php on line 251 * [27-Sep-2023 09:12:44 UTC] PHP Deprecated: Constant FILTER_SANITIZE_STRING is deprecated in /home/X/wp-content/plugins/klarna-payments-for-woocommerce/classes/ class-kp-banners.php on line 47 Viewing 2 replies - 1 through 2 (of 2 total) * Plugin Support [Andreas – Krokedil](https://wordpress.org/support/users/boozebrorsan/) * (@boozebrorsan) * [2 years, 8 months ago](https://wordpress.org/support/topic/errors-on-php-8-1-2/#post-17082718) * Hi! * Thanks for reporting this. This has already been fixed and will be in the next version that we release. So have a look out for it in the changelogs. * Plugin Support [Andreas – Krokedil](https://wordpress.org/support/users/boozebrorsan/) * (@boozebrorsan) * [2 years, 7 months ago](https://wordpress.org/support/topic/errors-on-php-8-1-2/#post-17119405) * This is fixed in version 3.2.2 Viewing 2 replies - 1 through 2 (of 2 total) The topic ‘Errors on PHP 8.1’ is closed to new replies. * ![](https://ps.w.org/klarna-payments-for-woocommerce/assets/icon-256x256.png? rev=3174333) * [Klarna for WooCommerce](https://wordpress.org/plugins/klarna-payments-for-woocommerce/) * [Frequently Asked Questions](https://wordpress.org/plugins/klarna-payments-for-woocommerce/#faq) * [Support Threads](https://wordpress.org/support/plugin/klarna-payments-for-woocommerce/) * [Active Topics](https://wordpress.org/support/plugin/klarna-payments-for-woocommerce/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/klarna-payments-for-woocommerce/unresolved/) * [Reviews](https://wordpress.org/support/plugin/klarna-payments-for-woocommerce/reviews/) * 2 replies * 2 participants * Last reply from: [Andreas – Krokedil](https://wordpress.org/support/users/boozebrorsan/) * Last activity: [2 years, 7 months ago](https://wordpress.org/support/topic/errors-on-php-8-1-2/#post-17119405) * Status: resolved