wpsnoop Fatal error: Cannot redeclare customizer_library_sanitize_file_url()

If you are dealing with a WordPress issue where a PHP Function customizer_library_sanitize_file_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 53 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 53 different instances of potential conflicts where different plugins or themes share the function name.

Examples of this error include:

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/feminine-lite/core/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/mystore/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/guten/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/vt-blogging/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/festive/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/advocator-lite/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/patricia-blog/core/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/patricia-lite/core/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/shopstar/customizer/customizer-library/extensions/sanitization.php:76)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/topshop/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/namaha/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/satori/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/nikkon/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/xcel/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/overlay/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/polestar/inc/customizer-library/extensions/sanitization.php:143)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/overlay/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/overlay/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/avant/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/vogue/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/politics/customizer/customizer-library/extensions/sanitization.php:74)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/tropicana/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/peony/inc/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/leanex-lite/inc/customizer/customizer-library/extensions/sanitization.php:86)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/oceanic/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/freestore/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/plugins/olympus-widgets/inc/customizer/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/gateway/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/avant/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/avant/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/avant/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/bootcake/lib/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/dustland-express/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/daisy-store/inc/customizer-library/extensions/sanitization.php:67)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/directory/framework/libraries/directory-customizer/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/vogue/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/portfolio-press/extensions/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/structr/inc/options/customizer/customizer-library/extensions/sanitization.php:133)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/sabino/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/citylogic/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/keyword/admin/extensions/sanitization.php:77)

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 customizer_library_sanitize_file_url() (previously declared in wp-content/themes/levii/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/panoramic/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/teletype/inc/customizer/customizer-library/extensions/sanitization.php:86)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/albinomouse/inc/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/alchem/admin/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/conica/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/citylogic/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/vogue/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/elation/customizer/customizer-library/extensions/sanitization.php:92)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/smartr/LNT-framework/customizer/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/singularity/inc/customizer-library/extensions/sanitization.php:77)

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

PHP Fatal error: Cannot redeclare customizer_library_sanitize_file_url() (previously declared in wp-content/themes/electa/customizer/customizer-library/extensions/sanitization.php:77)

This file is part of the WordPress theme Electa 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.