Title: Php error Last modified: October 5, 2023 --- # Php error * [marinow1991](https://wordpress.org/support/users/marinow1991/) * (@marinow1991) * [2 years, 11 months ago](https://wordpress.org/support/topic/php-error-608/) * Hello, unfortunately after updating PHP to version 8.0 I started getting the following errors. I rolled back to 7.4 but the problem persists. * ```wp-block-code 2023-10-05T12:00:36+00:00 CRITICAL Uncaught TypeError: strstr(): Argument #1 ($haystack) must be of type string, WP_Error given in /home/armadabg/web/armadabg.eu/public_html/wp-includes/functions.php:1144 Stack trace: #0 /home/armadabg/web/armadabg.eu/public_html/wp-includes/functions.php(1144): strstr() #1 /home/armadabg/web/armadabg.eu/public_html/wp-includes/functions.php(1217): add_query_arg() #2 /home/armadabg/web/armadabg.eu/public_html/wp-content/plugins/woocommerce/includes/widgets/class-wc-widget-layered-nav.php(423): remove_query_arg() #3 /home/armadabg/web/armadabg.eu/public_html/wp-content/plugins/woocommerce/includes/widgets/class-wc-widget-layered-nav.php(187): WC_Widget_Layered_Nav->layered_nav_list() #4 /home/armadabg/web/armadabg.eu/public_html/wp-includes/class-wp-widget.php(394): WC_Widget_Layered_Nav->widget() #5 /home/armadabg/web/armadabg.eu/public_html/wp-includes/widgets.php(837): WP_Widget->display_callback() #6 /home/armadabg/web/armadabg.eu/public_html/wp-content/themes/flatsome/woocommerce/layouts/category.php(17): dynamic_sidebar() #7 /home/armadabg/web/armadabg.eu/public_html/wp-includes/template.php(787): require('...') #8 /home/armadabg/web/armadabg.eu/public_html/wp-content/plugins/woocommerce/includes/wc-core-functions.php(284): load_template() #9 /home/armadabg/web/armadabg.eu/public_html/wp-content/themes/flatsome/woocommerce/archive-product.php(27): wc_get_template_part() #10 /home/armadabg/web/armadabg.eu/public_html/wp-content/plugins/woocommerce/includes/wc-core-functions.php(345): include('...') #11 /home/armadabg/web/armadabg.eu/public_html/wp-content/plugins/woocommerce/templates/taxonomy-product-cat.php(22): wc_get_template() #12 /home/armadabg/web/armadabg.eu/public_html/wp-includes/template-loader.php(106): include('...') #13 /home/armadabg/web/armadabg.eu/public_html/wp-blog-header.php(19): require_once('...') #14 /home/armadabg/web/armadabg.eu/public_html/index.php(17): require('...') #15 {main} thrown в /home/armadabg/web/armadabg.eu/public_html/wp-includes/functions.php на ред 1144 2023-10-05T12:00:46+00:00 CRITICAL Uncaught TypeError: strstr(): Argument #1 ($haystack) must be of type string, WP_Error given in /home/armadabg/web/armadabg.eu/public_html/wp-includes/functions.php:1144 Stack trace: #0 /home/armadabg/web/armadabg.eu/public_html/wp-includes/functions.php(1144): strstr() #1 /home/armadabg/web/armadabg.eu/public_html/wp-includes/functions.php(1217): add_query_arg() #2 /home/armadabg/web/armadabg.eu/public_html/wp-content/plugins/woocommerce/includes/widgets/class-wc-widget-layered-nav.php(423): remove_query_arg() #3 /home/armadabg/web/armadabg.eu/public_html/wp-content/plugins/woocommerce/includes/widgets/class-wc-widget-layered-nav.php(187): WC_Widget_Layered_Nav->layered_nav_list() #4 /home/armadabg/web/armadabg.eu/public_html/wp-includes/class-wp-widget.php(394): WC_Widget_Layered_Nav->widget() #5 /home/armadabg/web/armadabg.eu/public_html/wp-includes/widgets.php(837): WP_Widget->display_callback() #6 /home/armadabg/web/armadabg.eu/public_html/wp-content/themes/flatsome/woocommerce/layouts/category.php(17): dynamic_sidebar() #7 /home/armadabg/web/armadabg.eu/public_html/wp-includes/template.php(787): require('...') #8 /home/armadabg/web/armadabg.eu/public_html/wp-content/plugins/woocommerce/includes/wc-core-functions.php(284): load_template() #9 /home/armadabg/web/armadabg.eu/public_html/wp-content/themes/flatsome/woocommerce/archive-product.php(27): wc_get_template_part() #10 /home/armadabg/web/armadabg.eu/public_html/wp-content/plugins/woocommerce/includes/wc-core-functions.php(345): include('...') #11 /home/armadabg/web/armadabg.eu/public_html/wp-content/plugins/woocommerce/templates/taxonomy-product-cat.php(22): wc_get_template() #12 /home/armadabg/web/armadabg.eu/public_html/wp-includes/template-loader.php(106): include('...') #13 /home/armadabg/web/armadabg.eu/public_html/wp-blog-header.php(19): require_once('...') #14 /home/armadabg/web/armadabg.eu/public_html/index.php(17): require('...') #15 {main} thrown в /home/armadabg/web/armadabg.eu/public_html/wp-includes/functions.php на ред 1144 2023-10-05T12:00:56+00:00 CRITICAL Uncaught TypeError: strstr(): Argument #1 ($haystack) must be of type string, WP_Error given in /home/armadabg/web/armadabg.eu/public_html/wp-includes/functions.php:1144 Stack trace: #0 /home/armadabg/web/armadabg.eu/public_html/wp-includes/functions.php(1144): strstr() #1 /home/armadabg/web/armadabg.eu/public_html/wp-includes/functions.php(1217): add_query_arg() #2 /home/armadabg/web/armadabg.eu/public_html/wp-content/plugins/woocommerce/includes/widgets/class-wc-widget-layered-nav.php(423): remove_query_arg() #3 /home/armadabg/web/armadabg.eu/public_html/wp-content/plugins/woocommerce/includes/widgets/class-wc-widget-layered-nav.php(187): WC_Widget_Layered_Nav->layered_nav_list() #4 /home/armadabg/web/armadabg.eu/public_html/wp-includes/class-wp-widget.php(394): WC_Widget_Layered_Nav->widget() #5 /home/armadabg/web/armadabg.eu/public_html/wp-includes/widgets.php(837): WP_Widget->display_callback() #6 /home/armadabg/web/armadabg.eu/public_html/wp-content/themes/flatsome/woocommerce/layouts/category.php(17): dynamic_sidebar() #7 /home/armadabg/web/armadabg.eu/public_html/wp-includes/template.php(787): require('...') #8 /home/armadabg/web/armadabg.eu/public_html/wp-content/plugins/woocommerce/includes/wc-core-functions.php(284): load_template() #9 /home/armadabg/web/armadabg.eu/public_html/wp-content/themes/flatsome/woocommerce/archive-product.php(27): wc_get_template_part() #10 /home/armadabg/web/armadabg.eu/public_html/wp-content/plugins/woocommerce/includes/wc-core-functions.php(345): include('...') #11 /home/armadabg/web/armadabg.eu/public_html/wp-content/plugins/woocommerce/templates/taxonomy-product-cat.php(22): wc_get_template() #12 /home/armadabg/web/armadabg.eu/public_html/wp-includes/template-loader.php(106): include('...') #13 /home/armadabg/web/armadabg.eu/public_html/wp-blog-header.php(19): require_once('...') #14 /home/armadabg/web/armadabg.eu/public_html/index.php(17): require('...') #15 {main} thrown в /home/armadabg/web/armadabg.eu/public_html/wp-includes/functions.php на ред 1144 ``` Viewing 1 replies (of 1 total) * Moderator [threadi](https://wordpress.org/support/users/threadi/) * (@threadi) * [2 years, 11 months ago](https://wordpress.org/support/topic/php-error-608/#post-17103419) * The error message is caused by an incorrect value being passed from your theme flatsome or from the plugin WooCommerce. Flatsome is a commercial plugin, so I would recommend you to contact their support: [https://themeforest.net/item/flatsome-multipurpose-responsive-woocommerce-theme/5484319/support](https://themeforest.net/item/flatsome-multipurpose-responsive-woocommerce-theme/5484319/support)– questions about commercial products [are not allowed here in the forum](https://wordpress.org/support/guidelines/#do-not-post-about-commercial-products). Viewing 1 replies (of 1 total) The topic ‘Php error’ is closed to new replies. * In: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/) * 1 reply * 2 participants * Last reply from: [threadi](https://wordpress.org/support/users/threadi/) * Last activity: [2 years, 11 months ago](https://wordpress.org/support/topic/php-error-608/#post-17103419) * Status: not resolved ## Topics ### Topics with no replies ### Non-support topics ### Resolved topics ### Unresolved topics ### All topics