wpsnoop Fatal error: Cannot redeclare http_build_url()

If you are dealing with a WordPress issue where a PHP Function http_build_url() 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 29 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 29 different instances of potential conflicts where different plugins or themes share the function name.

Examples of this error include:

PHP Fatal error: Cannot redeclare http_build_url() (previously declared in wp-content/plugins/wp-minify/http_build_url.php:23)

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

PHP Fatal error: Cannot redeclare http_build_url() (previously declared in wp-content/plugins/readypulse-social-brand-advocacy-widget/RPWidgetSDK/http_build_url.php:23)

This file is part of the WordPress plugin ReadyPulse Social Brand Advocacy Widget and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare http_build_url() (previously declared in wp-content/plugins/wp-minify-fix/http_build_url.php:23)

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

PHP Fatal error: Cannot redeclare http_build_url() (previously declared in wp-content/plugins/wp-criticalcss/vendor/jakeasmith/http_build_url/src/http_build_url.php:60)

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

PHP Fatal error: Cannot redeclare http_build_url() (previously declared in wp-content/plugins/picatic/vendor/jakeasmith/http_build_url/src/http_build_url.php:60)

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

PHP Fatal error: Cannot redeclare http_build_url() (previously declared in wp-content/plugins/intelligence/includes/intel.page_data.php:337)

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

PHP Fatal error: Cannot redeclare http_build_url() (previously declared in wp-content/plugins/avectra-netforum-single-sign-on/src/helpers.php:16)

This file is part of the WordPress plugin fusionSpan | netFORUM Single Sign On and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare http_build_url() (previously declared in wp-content/plugins/ticketack/vendor/jakeasmith/http_build_url/src/http_build_url.php:60)

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

PHP Fatal error: Cannot redeclare http_build_url() (previously declared in wp-content/plugins/wonderpush-web-push-notifications/http-build-url.php:62)

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

PHP Fatal error: Cannot redeclare http_build_url() (previously declared in wp-content/plugins/mpl-publisher/vendor/wallabag/php-mobi/MOBIClass/http_build_url.php:23)

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

PHP Fatal error: Cannot redeclare http_build_url() (previously declared in wp-content/plugins/woocommerce-multilingual/vendor/jakeasmith/http_build_url/src/http_build_url.php:60)

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

PHP Fatal error: Cannot redeclare http_build_url() (previously declared in wp-content/plugins/bookwize-booking-form/functions.php:159)

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

PHP Fatal error: Cannot redeclare http_build_url() (previously declared in wp-content/plugins/bookwize-integrated-booking-engine/functions.php:158)

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

PHP Fatal error: Cannot redeclare http_build_url() (previously declared in wp-content/plugins/wp-rss-aggregator/includes/polyfills.php:61)

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

PHP Fatal error: Cannot redeclare http_build_url() (previously declared in wp-content/plugins/bookwize-integrated-cinnamon/functions.php:158)

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

PHP Fatal error: Cannot redeclare http_build_url() (previously declared in wp-content/plugins/internet4associations-single-sign-on/src/helpers.php:14)

This file is part of the WordPress plugin Internet4Associations Single Sign On and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare http_build_url() (previously declared in wp-content/plugins/itzultzailea/vendor/jakeasmith/http_build_url/src/http_build_url.php:60)

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

PHP Fatal error: Cannot redeclare http_build_url() (previously declared in wp-content/plugins/gumlet/includes/compability.php:11)

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

PHP Fatal error: Cannot redeclare http_build_url() (previously declared in wp-content/plugins/rocket-async-css/vendor/jakeasmith/http_build_url/src/http_build_url.php:60)

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

PHP Fatal error: Cannot redeclare http_build_url() (previously declared in wp-content/plugins/fusionspan-impexium-single-sign-on/wp-bootstrap/src/WP/helpers.php:57)

This file is part of the WordPress plugin fusionSpan | Impexium Single Sign On and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare http_build_url() (previously declared in wp-content/plugins/rocket-footer-js/vendor/jakeasmith/http_build_url/src/http_build_url.php:61)

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

PHP Fatal error: Cannot redeclare http_build_url() (previously declared in wp-content/plugins/fusionspan-memsuite-single-sign-on/wp-bootstrap/src/WP/helpers.php:57)

This file is part of the WordPress plugin fusionSpan | Membersuite Single Sign On and could be interacting with another theme or plugin and causing a fatal error.

PHP Fatal error: Cannot redeclare http_build_url() (previously declared in wp-content/plugins/starbonus-widget/vendor/jakeasmith/http_build_url/src/http_build_url.php:60)

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

PHP Fatal error: Cannot redeclare http_build_url() (previously declared in wp-content/plugins/swift-security-lite/includes/functions.inc.php:60)

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

PHP Fatal error: Cannot redeclare http_build_url() (previously declared in wp-content/plugins/dropbox-folder-share/src/function/http_build_url.php:60)

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

PHP Fatal error: Cannot redeclare http_build_url() (previously declared in wp-content/plugins/images-via-imgix/includes/compability.php:16)

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

PHP Fatal error: Cannot redeclare http_build_url() (previously declared in wp-content/plugins/wp-autoloader/lib/-functions/inc.http_build_url.php:57)

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

PHP Fatal error: Cannot redeclare http_build_url() (previously declared in wp-content/plugins/nino-contact-form/includes/libraries/nino-contact-library.php:82)

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

PHP Fatal error: Cannot redeclare http_build_url() (previously declared in wp-content/plugins/dokan-lite/vendor/jakeasmith/http_build_url/src/http_build_url.php:60)

This file is part of the WordPress plugin Dokan 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.