wpsnoop: fix Interface theme conflicts, errors & issues

When the theme Interface conflicts or throws a PHP error we hope wpsnoop can help you to fix the issue quickly.


Discover which shortcodes wp-options PHP functions database tables and files are created by Interface, plus learn which plugins and/or themes could be in conflict with Interface.


Troubleshooting theme and plugin conflicts is easier when you know what Interface leaves behind after uninstalling it from a WordPress installation, there is a list down below for your convenience.

Expert advice is recommended if you are not technically proficient with PHP, MySQL etc. View support options for Interface

Get professional support for Interface here

When you need professional help with WordPress: get help here


What does Interface version 3.0.9 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for Interface to perform differently in your installation, previous versions before 3.0.9 may have created a different set of shortcodes, used different function names or could have created entirely different database tables to store settings and operate. This is not an exhaustive list but shows how version 3.0.9 of Interface behaves when installed and removed on a clean installation of WordPress.

We have not tested individual shortcodes, features or settings of this theme but instead have concentrated on the potential for obvious errors and conflicts which can occur, if you need help with the plugin in your local installation you can get WordPress help and support for Interface by clicking here.

Our testing covered the free version of this theme there may or may not be a paid version or premium version available for purchase that unlocks additional features and could behave in a slightly or very different manner.

Which new files does Interface add to WordPress?

This section will populate with a table showing an icon, size and filepath.

Type & Path Size Conflicts
wp-content/themes/interface/ 2.19MB No known conflicts with other themes or plugins.
wp-content/themes/interface/404.php 357.00B No known conflicts with other themes or plugins.
wp-content/themes/interface/comments.php 2.24kB No known conflicts with other themes or plugins.
wp-content/themes/interface/content-leftsidebar.php 1.03kB No known conflicts with other themes or plugins.
wp-content/themes/interface/content-nosidebar.php 666.00B No known conflicts with other themes or plugins.
wp-content/themes/interface/content-rightsidebar.php 1.03kB No known conflicts with other themes or plugins.
wp-content/themes/interface/css/ 11.13kB No known conflicts with other themes or plugins.
wp-content/themes/interface/css/responsive.css 11.13kB No known conflicts with other themes or plugins.
wp-content/themes/interface/font-awesome/ 1.07MB No known conflicts with other themes or plugins.
wp-content/themes/interface/font-awesome/css/ 36.54kB No known conflicts with other themes or plugins.
wp-content/themes/interface/font-awesome/css/font-awesome.css 36.54kB No known conflicts with other themes or plugins.
wp-content/themes/interface/font-awesome/fonts/ 1.04MB No known conflicts with other themes or plugins.
wp-content/themes/interface/font-awesome/fonts/fontawesome-webfont.eot 161.86kB No known conflicts with other themes or plugins.
wp-content/themes/interface/font-awesome/fonts/fontawesome-webfont.svg 433.96kB No known conflicts with other themes or plugins.
wp-content/themes/interface/font-awesome/fonts/fontawesome-webfont.ttf 161.67kB No known conflicts with other themes or plugins.
wp-content/themes/interface/font-awesome/fonts/fontawesome-webfont.woff 95.73kB No known conflicts with other themes or plugins.
wp-content/themes/interface/font-awesome/fonts/fontawesome-webfont.woff2 75.35kB No known conflicts with other themes or plugins.
wp-content/themes/interface/font-awesome/fonts/FontAwesome.otf 131.65kB No known conflicts with other themes or plugins.
wp-content/themes/interface/footer.php 1.49kB No known conflicts with other themes or plugins.
wp-content/themes/interface/functions.php 7.00kB No known conflicts with other themes or plugins.
wp-content/themes/interface/header.php 1.70kB No known conflicts with other themes or plugins.
wp-content/themes/interface/inc/ 145.64kB No known conflicts with other themes or plugins.
wp-content/themes/interface/inc/admin/ 9.34kB No known conflicts with other themes or plugins.
wp-content/themes/interface/inc/admin/css/ 725.00B No known conflicts with other themes or plugins.
wp-content/themes/interface/inc/admin/css/customize-controls.css 725.00B No known conflicts with other themes or plugins.
wp-content/themes/interface/inc/admin/interface-metaboxes.php 4.93kB No known conflicts with other themes or plugins.
wp-content/themes/interface/inc/admin/interface-themedefaults-value.php 2.24kB No known conflicts with other themes or plugins.
wp-content/themes/interface/inc/admin/js/ 1.46kB No known conflicts with other themes or plugins.
wp-content/themes/interface/inc/admin/js/add-image-script-widget.js 1.19kB No known conflicts with other themes or plugins.
wp-content/themes/interface/inc/admin/js/interface_customizer.js 276.00B No known conflicts with other themes or plugins.
wp-content/themes/interface/inc/footer_info/ 1.38kB No known conflicts with other themes or plugins.
wp-content/themes/interface/inc/footer_info/interface-footer_info.php 1.38kB No known conflicts with other themes or plugins.
wp-content/themes/interface/inc/functions/ 40.74kB No known conflicts with other themes or plugins.
wp-content/themes/interface/inc/functions/custom-header.php 2.21kB No known conflicts with other themes or plugins.
wp-content/themes/interface/inc/functions/custom-style.php 1.02kB No known conflicts with other themes or plugins.
wp-content/themes/interface/inc/functions/customizer.php 27.18kB No known conflicts with other themes or plugins.
wp-content/themes/interface/inc/functions/functions.php 9.83kB No known conflicts with other themes or plugins.
wp-content/themes/interface/inc/functions/i18n.php 517.00B No known conflicts with other themes or plugins.
wp-content/themes/interface/inc/structure/ 58.86kB No known conflicts with other themes or plugins.
wp-content/themes/interface/inc/structure/content-extensions.php 32.47kB No known conflicts with other themes or plugins.
wp-content/themes/interface/inc/structure/footer-extensions.php 3.05kB No known conflicts with other themes or plugins.
wp-content/themes/interface/inc/structure/header-extensions.php 18.20kB No known conflicts with other themes or plugins.
wp-content/themes/interface/inc/structure/searchform-extensions.php 873.00B No known conflicts with other themes or plugins.
wp-content/themes/interface/inc/structure/sidebar-extensions.php 4.28kB No known conflicts with other themes or plugins.
wp-content/themes/interface/inc/widgets/ 35.31kB No known conflicts with other themes or plugins.
wp-content/themes/interface/inc/widgets/interface_widgets.php 35.31kB No known conflicts with other themes or plugins.
wp-content/themes/interface/index.php 573.00B No known conflicts with other themes or plugins.
wp-content/themes/interface/js/ 66.21kB No known conflicts with other themes or plugins.
wp-content/themes/interface/js/backtotop.js 499.00B No known conflicts with other themes or plugins.
wp-content/themes/interface/js/html5.js 10.09kB No known conflicts with other themes or plugins.
wp-content/themes/interface/js/html5.min.js 2.67kB No known conflicts with other themes or plugins.
wp-content/themes/interface/js/interface-slider-setting.js 1.30kB No known conflicts with other themes or plugins.
wp-content/themes/interface/js/jquery.cycle.all.js 50.81kB No known conflicts with other themes or plugins.
wp-content/themes/interface/js/scripts.js 876.00B No known conflicts with other themes or plugins.
wp-content/themes/interface/languages/ 69.00kB No known conflicts with other themes or plugins.
wp-content/themes/interface/languages/interface.pot 18.94kB No known conflicts with other themes or plugins.
wp-content/themes/interface/languages/ru_RU.mo 17.95kB No known conflicts with other themes or plugins.
wp-content/themes/interface/languages/ru_RU.po 32.11kB No known conflicts with other themes or plugins.
wp-content/themes/interface/license.txt 17.56kB No known conflicts with other themes or plugins.
wp-content/themes/interface/page-templates/ 3.15kB No known conflicts with other themes or plugins.
wp-content/themes/interface/page-templates/page-template-blog-full-content.php 623.00B No known conflicts with other themes or plugins.
wp-content/themes/interface/page-templates/page-template-blog-image-large.php 635.00B No known conflicts with other themes or plugins.
wp-content/themes/interface/page-templates/page-template-blog-image-medium.php 637.00B No known conflicts with other themes or plugins.
wp-content/themes/interface/page-templates/page-template-business.php 661.00B No known conflicts with other themes or plugins.
wp-content/themes/interface/page-templates/page-template-contact.php 670.00B No known conflicts with other themes or plugins.
wp-content/themes/interface/readme.txt 5.54kB No known conflicts with other themes or plugins.
wp-content/themes/interface/rtl.css 11.03kB No known conflicts with other themes or plugins.
wp-content/themes/interface/screenshot.png 741.01kB No known conflicts with other themes or plugins.
wp-content/themes/interface/searchform.php 283.00B No known conflicts with other themes or plugins.
wp-content/themes/interface/sidebar-contact-page.php 568.00B No known conflicts with other themes or plugins.
wp-content/themes/interface/sidebar-footer.php 521.00B No known conflicts with other themes or plugins.
wp-content/themes/interface/sidebar-left.php 505.00B No known conflicts with other themes or plugins.
wp-content/themes/interface/sidebar.php 513.00B No known conflicts with other themes or plugins.
wp-content/themes/interface/style.css 59.16kB No known conflicts with other themes or plugins.

Which new shortcodes does Interface add to WordPress?

Which new database tables are created by the WordPress theme Interface?

Which new options are added to the wp-options table by Interface?

Option Name   Known Conflicts
current_theme Potential conflict with 8753 plugins or themes
theme_mods_twentytwentytwo Potential conflict with 8767 plugins or themes
theme_switched Potential conflict with 8753 plugins or themes
theme_mods_interface The theme_mods_interface option doesn't have any known conflicts with other themes or plugins.
widget_interface_custom_tag_widget The widget_interface_custom_tag_widget option doesn't have any known conflicts with other themes or plugins.
widget_interface_featured_image_widget The widget_interface_featured_image_widget option doesn't have any known conflicts with other themes or plugins.
widget_interface_promobox_widget The widget_interface_promobox_widget option doesn't have any known conflicts with other themes or plugins.
widget_interface_recent_work_widget The widget_interface_recent_work_widget option doesn't have any known conflicts with other themes or plugins.
widget_interface_service_widget The widget_interface_service_widget option doesn't have any known conflicts with other themes or plugins.
widget_interface_testimonial The widget_interface_testimonial option doesn't have any known conflicts with other themes or plugins.

During use Interface may or may not create more options depending on how the theme is configured and depending on which other themes and plugins are active in your specific hosting environment.

What new PHP functions does Interface declare when it is active?

Function   Conflicts Common Errors
prefix_sanitize_integer 5 conflicts Fatal error: Cannot redeclare prefix_sanitize_integer()
prefix_sanitize_phone 1 conflict Fatal error: Cannot redeclare prefix_sanitize_phone()
interface_add_custom_box 0 conflicts Fatal error: Cannot redeclare interface_add_custom_box()
interface_add_editor_styles 0 conflicts Fatal error: Cannot redeclare interface_add_editor_styles()
interface_add_links 0 conflicts Fatal error: Cannot redeclare interface_add_links()
interface_add_meta_name 0 conflicts Fatal error: Cannot redeclare interface_add_meta_name()
interface_admin_header_image 0 conflicts Fatal error: Cannot redeclare interface_admin_header_image()
interface_admin_header_style 0 conflicts Fatal error: Cannot redeclare interface_admin_header_style()
interface_alter_home 0 conflicts Fatal error: Cannot redeclare interface_alter_home()
interface_backtotop_html 0 conflicts Fatal error: Cannot redeclare interface_backtotop_html()
interface_body_class 0 conflicts Fatal error: Cannot redeclare interface_body_class()
interface_breadcrumb 0 conflicts Fatal error: Cannot redeclare interface_breadcrumb()
interface_business_template_featured_image 0 conflicts Fatal error: Cannot redeclare interface_business_template_featured_image()
interface_business_template_widgetized_content 0 conflicts Fatal error: Cannot redeclare interface_business_template_widgetized_content()
interface_close_sitegenerator_div 0 conflicts Fatal error: Cannot redeclare interface_close_sitegenerator_div()
interface_comment 0 conflicts Fatal error: Cannot redeclare interface_comment()
interface_constants 0 conflicts Fatal error: Cannot redeclare interface_constants()
interface_content 0 conflicts Fatal error: Cannot redeclare interface_content()
interface_continue_reading 0 conflicts Fatal error: Cannot redeclare interface_continue_reading()
interface_core_functionality 0 conflicts Fatal error: Cannot redeclare interface_core_functionality()
interface_custom_header_setup 0 conflicts Fatal error: Cannot redeclare interface_custom_header_setup()
interface_customize_custom_sections 0 conflicts Fatal error: Cannot redeclare interface_customize_custom_sections()
interface_customize_register 0 conflicts Fatal error: Cannot redeclare interface_customize_register()
interface_customizer_control_scripts 0 conflicts Fatal error: Cannot redeclare interface_customizer_control_scripts()
interface_display_404_page_content 0 conflicts Fatal error: Cannot redeclare interface_display_404_page_content()
interface_display_contact_page_sidebar 0 conflicts Fatal error: Cannot redeclare interface_display_contact_page_sidebar()
interface_display_contact_page_template_content 0 conflicts Fatal error: Cannot redeclare interface_display_contact_page_template_content()
interface_display_footer_sidebar 0 conflicts Fatal error: Cannot redeclare interface_display_footer_sidebar()
interface_display_left_sidebar 0 conflicts Fatal error: Cannot redeclare interface_display_left_sidebar()
interface_display_right_sidebar 0 conflicts Fatal error: Cannot redeclare interface_display_right_sidebar()
interface_display_searchform 0 conflicts Fatal error: Cannot redeclare interface_display_searchform()
interface_excerpt_length 0 conflicts Fatal error: Cannot redeclare interface_excerpt_length()
interface_featured_sliders 0 conflicts Fatal error: Cannot redeclare interface_featured_sliders()
interface_font_url 0 conflicts Fatal error: Cannot redeclare interface_font_url()
interface_footer_info 0 conflicts Fatal error: Cannot redeclare interface_footer_info()
interface_footer_widget_area 0 conflicts Fatal error: Cannot redeclare interface_footer_widget_area()
interface_get_option_defaults 0 conflicts Fatal error: Cannot redeclare interface_get_option_defaults()
interface_header_title 0 conflicts Fatal error: Cannot redeclare interface_header_title()
interface_headercontent_details 0 conflicts Fatal error: Cannot redeclare interface_headercontent_details()
interface_home_slogan 0 conflicts Fatal error: Cannot redeclare interface_home_slogan()
interface_infobar_information 0 conflicts Fatal error: Cannot redeclare interface_infobar_information()
interface_internal_css 0 conflicts Fatal error: Cannot redeclare interface_internal_css()
interface_load_files 0 conflicts Fatal error: Cannot redeclare interface_load_files()
interface_loop_after 0 conflicts Fatal error: Cannot redeclare interface_loop_after()
interface_loop_before 0 conflicts Fatal error: Cannot redeclare interface_loop_before()
interface_media_js 0 conflicts Fatal error: Cannot redeclare interface_media_js()
interface_next_previous 0 conflicts Fatal error: Cannot redeclare interface_next_previous()
interface_next_previous_post_link 0 conflicts Fatal error: Cannot redeclare interface_next_previous_post_link()
interface_open_sitegenerator_div 0 conflicts Fatal error: Cannot redeclare interface_open_sitegenerator_div()
interface_pass_slider_effect_cycle_parameters 0 conflicts Fatal error: Cannot redeclare interface_pass_slider_effect_cycle_parameters()
interface_sanitize_delay_transition 0 conflicts Fatal error: Cannot redeclare interface_sanitize_delay_transition()
interface_sanitize_effect 0 conflicts Fatal error: Cannot redeclare interface_sanitize_effect()
interface_save_custom_meta 0 conflicts Fatal error: Cannot redeclare interface_save_custom_meta()
interface_scripts_styles_method 0 conflicts Fatal error: Cannot redeclare interface_scripts_styles_method()
interface_setup 0 conflicts Fatal error: Cannot redeclare interface_setup()
interface_sidebar_layout 0 conflicts Fatal error: Cannot redeclare interface_sidebar_layout()
interface_site_link 0 conflicts Fatal error: Cannot redeclare interface_site_link()
interface_textarea_register 0 conflicts Fatal error: Cannot redeclare interface_textarea_register()
interface_the_year 0 conflicts Fatal error: Cannot redeclare interface_the_year()
interface_theloop 0 conflicts Fatal error: Cannot redeclare interface_theloop()
interface_theloop_for_archive 0 conflicts Fatal error: Cannot redeclare interface_theloop_for_archive()
interface_theloop_for_page 0 conflicts Fatal error: Cannot redeclare interface_theloop_for_page()
interface_theloop_for_search 0 conflicts Fatal error: Cannot redeclare interface_theloop_for_search()
interface_theloop_for_single 0 conflicts Fatal error: Cannot redeclare interface_theloop_for_single()
interface_theloop_for_template_blog_full_content 0 conflicts Fatal error: Cannot redeclare interface_theloop_for_template_blog_full_content()
interface_theloop_for_template_blog_image_large 0 conflicts Fatal error: Cannot redeclare interface_theloop_for_template_blog_image_large()
interface_theloop_for_template_blog_image_medium 0 conflicts Fatal error: Cannot redeclare interface_theloop_for_template_blog_image_medium()
interface_themehorse_link 0 conflicts Fatal error: Cannot redeclare interface_themehorse_link()
interface_themehorse_privacy 0 conflicts Fatal error: Cannot redeclare interface_themehorse_privacy()
interface_widgets_init 0 conflicts Fatal error: Cannot redeclare interface_widgets_init()
interface_woocommerce_support 0 conflicts Fatal error: Cannot redeclare interface_woocommerce_support()
interface_wp_link 0 conflicts Fatal error: Cannot redeclare interface_wp_link()
interface_wp_page_menu 0 conflicts Fatal error: Cannot redeclare interface_wp_page_menu()
interface_wp_page_menu_filter 0 conflicts Fatal error: Cannot redeclare interface_wp_page_menu_filter()
interface_wrapper_end 0 conflicts Fatal error: Cannot redeclare interface_wrapper_end()
interface_wrapper_start 0 conflicts Fatal error: Cannot redeclare interface_wrapper_start()

Using Interface from the command line with WP-CLI

The following commands are provided for convenience and should only be used if you understand how WP-CLI works. These commands refer to a single WordPress instance and may need to be modified if you are working with a Multisite installation.


How to install Interface from the command line with WP-CLI

Navigate to the root of your WordPress installation and type the following command:

wp theme install interface


How to activate Interface from the command line with WP-CLI

To immediately activate Interface after WP-CLI downloads the latest version you can use the following command:

wp theme install interface --activate


How to reinstall Interface from the command line with WP-CLI

To force a reinstallation of Interface which overwrites the current plugin without asking for confirmation you can use the following command:

wp theme install interface --force


How to update Interface to the latest version from the command line with WP-CLI

wp theme update interface


How to delete Interface from the command line with WP-CLI

wp theme delete interface --force

Where can you download earlier versions of Interface?

Whenever possible you should use the latest version of plugins and themes, however if you have recently updated and discovered that you need to install an earlier version you may be able to download other versions of Interface from the WordPress repository by visiting this link.

Please note that installing earlier versions of a theme or plugin is not generally a recommended course of action for most users and could re-introduce security, stability or other issues in Interface

About our testing enviroment

Tests were conducted using Apache 2.4.29, PHP 7.2 on Ubuntu 18.04, MySQL 5.7.33 and WordPress 5.9

It is very possible that different versions of PHP such as PHP 8.0, PHP 7.4, or PHP 7.3 could behave differently with Interface. Different versions of WordPress could implement the features of this plugin in slightly different ways as well.