wpsnoop Fatal error: Cannot redeclare is_woocommerce_activated()

If you are dealing with a WordPress issue where a PHP Function is_woocommerce_activated() was already declared it is most likely due to a plugin/theme conflict.

wpsnoop scanned and analyzed over 100,000 WordPress plugins and themes to find and locate potential conflicts including functions that share the same name.

This page has information on the 46 places where that function is declared and used in WordPress plugins and themes.

Note: Our database currently only taps into the free themes and plugins available in the publicly available WordPress plugins and themes, if your site uses paid plugins, themes or custom code there may be additional conflicts.


Our database has uncovered 46 different instances of potential conflicts where different plugins or themes share the function name.

Examples of this error include:

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/themes/feminine-business/inc/extra-functions.php:778)

This file is part of the WordPress theme Feminine Business and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/themes/construction-lite/functions.php:244)

This file is part of the WordPress theme Construction Lite and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/plugins/swoop-password-free-authentication/includes/util/functions.php:5)

This file is part of the WordPress plugin Swoop: Password-Free Authentication With 2FA and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/plugins/artplacer-widget/artplacer-widget.php:164)

This file is part of the WordPress plugin ArtPlacer and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/themes/onepage/functions.php:221)

This file is part of the WordPress theme Onepage and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/plugins/woo-product-discount-flyer/woocommerce-flyer.php:18)

This file is part of the WordPress plugin Product Discount Flyer for WooCommerce and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/plugins/huzhop/inc/huzhop-core-functions.php:16)

This file is part of the WordPress plugin Huzhop and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/themes/bellini/inc/structure/extras.php:81)

This file is part of the WordPress theme Bellini and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/plugins/leginda-wp-translate/inc/functions.php:651)

This file is part of the WordPress plugin LEGINDA WP Translate and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/plugins/friendstore-for-woocommerce/includes/helper.php:40)

This file is part of the WordPress plugin FriendStore for WooCommerce and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/plugins/woo-extra-fee/wc-extra-fee.php:22)

This file is part of the WordPress plugin WooCommerce Extra Fee Option Lite and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/themes/store-wp/functions.php:221)

This file is part of the WordPress theme Store WP and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/themes/storedesign/inc/storedesign-functions.php:384)

This file is part of the WordPress theme StoreDesign and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/plugins/computer-repair-shop/lib/includes/theme_functions.php:2648)

This file is part of the WordPress plugin CRM WordPress Plugin - RepairBuddy and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/themes/savile-row/functions.php:451)

This file is part of the WordPress theme Savile Row and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/themes/good-looking-blog/inc/extra-functions.php:1717)

This file is part of the WordPress theme Best Recipe and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/themes/base-wp/functions.php:228)

This file is part of the WordPress theme Base WP and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/plugins/shipment-tracker-for-woocommerce/bt-sync-shipment-tracking.php:94)

This file is part of the WordPress plugin Shipment Tracker for Woocommerce and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/themes/accesspress-store/inc/accesspress-function.php:353)

This file is part of the WordPress theme AccessPress Store and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/themes/highwind/framework/highwind-functions.php:196)

This file is part of the WordPress theme Highwind and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/themes/perfect-plus/inc/template-functions.php:402)

This file is part of the WordPress theme Perfect Plus and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/themes/basic-shop/functions.php:220)

This file is part of the WordPress theme Basic Shop and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/themes/education-lms/inc/template-tags.php:280)

This file is part of the WordPress theme Education LMS and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/themes/good-looking-blog/inc/extra-functions.php:1717)

This file is part of the WordPress theme Good Looking Blog and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/themes/highwind/framework/highwind-functions.php:196)

This file is part of the WordPress theme Clear Tranquil and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/plugins/finpose/finpose.php:43)

This file is part of the WordPress plugin Finpose and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/themes/tienda-basic/functions.php:699)

This file is part of the WordPress theme Tienda Basic and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/themes/the-m-x/functions.php:197)

This file is part of the WordPress theme The M.X. and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/themes/clearsky/functions.php:221)

This file is part of the WordPress theme Clearsky and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/themes/e-commerce/inc/woocommerce.php:13)

This file is part of the WordPress theme E-Commerce and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/plugins/gumpress/includes/functions.php:15)

This file is part of the WordPress plugin Gumpress and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/themes/keyword/inc/template-tags.php:27)

This file is part of the WordPress theme Keyword and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/themes/big-impresa/functions.php:221)

This file is part of the WordPress theme Big Impresa and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/plugins/woo-ip-based-payment-method/woocommerce-ipbased-payment-method.php:24)

This file is part of the WordPress plugin Woocommerce IP Based Payment Method and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/plugins/pay-with-mtn-momo-woocommerce/mtn-momo-pay.php:34)

This file is part of the WordPress plugin MTN MoMo for WooCommerce and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/themes/eighteen-tags/inc/functions/extras.php:53)

This file is part of the WordPress theme Eighteen tags and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/themes/boxed-wp/functions.php:222)

This file is part of the WordPress theme Boxed WP and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/plugins/woo-service-fee/woocommerce-service-fee.php:44)

This file is part of the WordPress plugin WooCommerce Service Fee and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/plugins/one-off-emails-for-woocommerce/classes/Plugin.php:229)

This file is part of the WordPress plugin One-Off Emails For WooCommerce and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/plugins/custom-thank-you-for-woo/index.php:20)

This file is part of the WordPress plugin Custom Thank you & order confirmation page for WooCommerce and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/themes/fury/framework/fury-functions.php:424)

This file is part of the WordPress theme Fury and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/themes/brasserie/functions.php:465)

This file is part of the WordPress theme Brasserie and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/themes/premier/functions.php:467)

This file is part of the WordPress theme Premier and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/themes/fotography/functions.php:613)

This file is part of the WordPress theme FotoGraphy and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/plugins/woocollections-for-woocommerce/woocollections-for-woocommerce.php:50)

This file is part of the WordPress plugin WooCommerce - Collections and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare is_woocommerce_activated() (previously declared in wp-content/plugins/wooms/functions.php:133)

This file is part of the WordPress plugin WooMS and could be interacting with another theme or plugin and causing a fatal error.

The error occurs because two (or more) plugins that you are using are both trying to declare a function with the same name.