wpsnoop: fix Smart captcha plugin conflicts, errors & issues

When the plugin Smart captcha 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 Smart captcha, plus learn which plugins and/or themes could be in conflict with Smart captcha.


Troubleshooting theme and plugin conflicts is easier when you know what Smart captcha 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 Smart captcha

Get professional support for Smart captcha here

When you need professional help with WordPress: get help here


What does Smart captcha version 1.0 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for Smart captcha to perform differently in your installation, previous versions before 1.0 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 1.0 of Smart captcha behaves when installed and removed on a clean installation of WordPress.

We have not tested individual shortcodes, features or settings of this plugin 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 Smart captcha by clicking here.

Our testing covered the free version of this plugin 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 Smart captcha add to WordPress?

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

Type & Path Size Conflicts
wp-content/plugins/smart-recaptcha/ 1.69MB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/css/ 23.88kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/css/desktop_style.css 1.71kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/css/mobile_style.css 1.24kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/css/re_dashboard_style.css 5.39kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/css/re_front_end_style.css 1.90kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/css/slick.css 1.69kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/css/style.css 11.94kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/includes/ 53.44kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/includes/re_helpers.php 12.44kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/includes/re_pro_banners.php 1.72kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/includes/re_settings_page.php 29.39kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/includes/recaptchalib.php 9.89kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/js/ 51.33kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/js/re_back_end_script.js 483.00B No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/js/re_front_end_script.js 108.00B No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/js/script.js 9.79kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/js/slick.min.js 40.97kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/languages/ 123.24kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/languages/smart-captcha-cs_CZ.mo 4.03kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/languages/smart-captcha-cs_CZ.po 19.45kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/languages/smart-captcha-es_ES.mo 4.08kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/languages/smart-captcha-es_ES.po 19.15kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/languages/smart-captcha-ru_RU.mo 10.91kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/languages/smart-captcha-ru_RU.po 27.46kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/languages/smart-captcha-uk.mo 10.83kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/languages/smart-captcha-uk.po 27.35kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/re_menu/ 461.05kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/re_menu/css/ 16.43kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/re_menu/css/re_general_style.css 16.43kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/re_menu/fonts/ 103.44kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/re_menu/fonts/bwsicons.eot 15.83kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/re_menu/fonts/bwsicons.svg 56.20kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/re_menu/fonts/bwsicons.ttf 15.67kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/re_menu/fonts/bwsicons.woff 15.74kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/re_menu/js/ 4.74kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/re_menu/js/re_general_script.js 4.74kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/re_menu/languages/ 333.59kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/re_menu/languages/mysizhwp-cs_CZ.mo 22.20kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/re_menu/languages/mysizhwp-cs_CZ.po 35.59kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/re_menu/languages/mysizhwp-fr_FR.mo 23.41kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/re_menu/languages/mysizhwp-fr_FR.po 49.23kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/re_menu/languages/mysizhwp-pl_PL.mo 9.52kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/re_menu/languages/mysizhwp-pl_PL.po 44.42kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/re_menu/languages/mysizhwp-ru_RU.mo 29.23kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/re_menu/languages/mysizhwp-ru_RU.po 42.96kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/re_menu/languages/mysizhwp-uk.mo 29.28kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/re_menu/languages/mysizhwp-uk.po 47.75kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/re_menu/re_functions.php 2.84kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/readme.txt 9.21kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/recaptcha.php 54.00kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/screenshot-1.png 25.00kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/screenshot-10.png 362.91kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/screenshot-2.png 22.17kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/screenshot-3.png 24.21kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/screenshot-4.png 38.19kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/screenshot-5.png 69.28kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/screenshot-6.png 51.92kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/screenshot-7.png 121.66kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/screenshot-8.png 119.62kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/screenshot-9.png 118.04kB No known conflicts with other themes or plugins.
wp-content/plugins/smart-recaptcha/smtcptc-contact-form-integration.php 3.44kB No known conflicts with other themes or plugins.

Which new shortcodes does Smart captcha add to WordPress?

Which new database tables are created by the WordPress plugin Smart captcha?

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

Option Name   Known Conflicts
smt_cptch_options The smt_cptch_options option doesn't have any known conflicts with other themes or plugins.

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

What new PHP functions does Smart captcha declare when it is active?

Function   Conflicts Common Errors
gglcptch_test_keys 1 conflict Fatal error: Cannot redeclare gglcptch_test_keys()
gglcptch_test_keys_verification 1 conflict Fatal error: Cannot redeclare gglcptch_test_keys_verification()
get_smt_recaptcha_code 0 conflicts Fatal error: Cannot redeclare get_smt_recaptcha_code()
re_cptch_captcha_is_needed 0 conflicts Fatal error: Cannot redeclare re_cptch_captcha_is_needed()
re_cptch_deprecated_message 0 conflicts Fatal error: Cannot redeclare re_cptch_deprecated_message()
re_hide_premium_options 0 conflicts Fatal error: Cannot redeclare re_hide_premium_options()
re_menu_url 0 conflicts Fatal error: Cannot redeclare re_menu_url()
re_plugin_reviews_block 0 conflicts Fatal error: Cannot redeclare re_plugin_reviews_block()
recptch_check_role 0 conflicts Fatal error: Cannot redeclare recptch_check_role()
recptch_comment_form 0 conflicts Fatal error: Cannot redeclare recptch_comment_form()
recptch_comment_form_wp3 0 conflicts Fatal error: Cannot redeclare recptch_comment_form_wp3()
recptch_commentform_check 0 conflicts Fatal error: Cannot redeclare recptch_commentform_check()
recptch_login_check 0 conflicts Fatal error: Cannot redeclare recptch_login_check()
recptch_login_form 0 conflicts Fatal error: Cannot redeclare recptch_login_form()
recptch_lostpassword_check 0 conflicts Fatal error: Cannot redeclare recptch_lostpassword_check()
recptch_plugin_status 0 conflicts Fatal error: Cannot redeclare recptch_plugin_status()
recptch_recaptcha_check 0 conflicts Fatal error: Cannot redeclare recptch_recaptcha_check()
recptch_signup_check 0 conflicts Fatal error: Cannot redeclare recptch_signup_check()
recptch_signup_display 0 conflicts Fatal error: Cannot redeclare recptch_signup_display()
smtcptc_add_help_box 0 conflicts Fatal error: Cannot redeclare smtcptc_add_help_box()
smtcptc_add_shortcode_wprecaptcha 0 conflicts Fatal error: Cannot redeclare smtcptc_add_shortcode_wprecaptcha()
smtcptc_admin_enqueue_scripts 0 conflicts Fatal error: Cannot redeclare smtcptc_admin_enqueue_scripts()
smtcptc_admin_head 0 conflicts Fatal error: Cannot redeclare smtcptc_admin_head()
smtcptc_admin_init 0 conflicts Fatal error: Cannot redeclare smtcptc_admin_init()
smtcptc_admin_menu 0 conflicts Fatal error: Cannot redeclare smtcptc_admin_menu()
smtcptc_blacklisted_ip 0 conflicts Fatal error: Cannot redeclare smtcptc_blacklisted_ip()
smtcptc_check_custom_form 0 conflicts Fatal error: Cannot redeclare smtcptc_check_custom_form()
smtcptc_cptch_init 0 conflicts Fatal error: Cannot redeclare smtcptc_cptch_init()
smtcptc_delete_options 0 conflicts Fatal error: Cannot redeclare smtcptc_delete_options()
smtcptc_display_captcha_custom 0 conflicts Fatal error: Cannot redeclare smtcptc_display_captcha_custom()
smtcptc_display_captcha_shortcode 0 conflicts Fatal error: Cannot redeclare smtcptc_display_captcha_shortcode()
smtcptc_display_filter 0 conflicts Fatal error: Cannot redeclare smtcptc_display_filter()
smtcptc_enqueue_backend_script 0 conflicts Fatal error: Cannot redeclare smtcptc_enqueue_backend_script()
smtcptc_form_restore_default_confirm 0 conflicts Fatal error: Cannot redeclare smtcptc_form_restore_default_confirm()
smtcptc_form_restore_default_settings 0 conflicts Fatal error: Cannot redeclare smtcptc_form_restore_default_settings()
smtcptc_front_end_script 0 conflicts Fatal error: Cannot redeclare smtcptc_front_end_script()
smtcptc_front_end_styles 0 conflicts Fatal error: Cannot redeclare smtcptc_front_end_styles()
smtcptc_get_message 0 conflicts Fatal error: Cannot redeclare smtcptc_get_message()
smtcptc_get_response 0 conflicts Fatal error: Cannot redeclare smtcptc_get_response()
smtcptc_hide_premium_options_check 0 conflicts Fatal error: Cannot redeclare smtcptc_hide_premium_options_check()
smtcptc_plugin_action_links 0 conflicts Fatal error: Cannot redeclare smtcptc_plugin_action_links()
smtcptc_plugin_activate 0 conflicts Fatal error: Cannot redeclare smtcptc_plugin_activate()
smtcptc_plugin_banner 0 conflicts Fatal error: Cannot redeclare smtcptc_plugin_banner()
smtcptc_plugins_loaded 0 conflicts Fatal error: Cannot redeclare smtcptc_plugins_loaded()
smtcptc_recaptcha_shortcode 0 conflicts Fatal error: Cannot redeclare smtcptc_recaptcha_shortcode()
smtcptc_recptch_check 0 conflicts Fatal error: Cannot redeclare smtcptc_recptch_check()
smtcptc_register_plugin_links 0 conflicts Fatal error: Cannot redeclare smtcptc_register_plugin_links()
smtcptc_settings 0 conflicts Fatal error: Cannot redeclare smtcptc_settings()
smtcptc_settings_page 0 conflicts Fatal error: Cannot redeclare smtcptc_settings_page()
smtcptc_show_settings_notice 0 conflicts Fatal error: Cannot redeclare smtcptc_show_settings_notice()
smtcptc_w3tc_notice 0 conflicts Fatal error: Cannot redeclare smtcptc_w3tc_notice()
smtcptc_whitelisted_ip 0 conflicts Fatal error: Cannot redeclare smtcptc_whitelisted_ip()
smtcptc_wp_min_version_check 0 conflicts Fatal error: Cannot redeclare smtcptc_wp_min_version_check()
smtcptc_wpcaptcha_add_tag_generator 0 conflicts Fatal error: Cannot redeclare smtcptc_wpcaptcha_add_tag_generator()
smtcptc_wprecaptcha_tag_generator 0 conflicts Fatal error: Cannot redeclare smtcptc_wprecaptcha_tag_generator()
smtcptch_generate_key 0 conflicts Fatal error: Cannot redeclare smtcptch_generate_key()
smtcptch_lostpassword_form 0 conflicts Fatal error: Cannot redeclare smtcptch_lostpassword_form()
smtcptch_register_form 0 conflicts Fatal error: Cannot redeclare smtcptch_register_form()
wpcf7_validation_filter_funcx 0 conflicts Fatal error: Cannot redeclare wpcf7_validation_filter_funcx()

Using Smart captcha 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 Smart captcha from the command line with WP-CLI

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

wp plugin install smart-recaptcha


How to activate Smart captcha from the command line with WP-CLI

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

wp plugin install smart-recaptcha --activate


How to reinstall Smart captcha from the command line with WP-CLI

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

wp plugin install smart-recaptcha --force


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

wp plugin update smart-recaptcha


How to delete Smart captcha from the command line with WP-CLI

wp plugin delete smart-recaptcha

Where can you download earlier versions of Smart captcha?

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 Smart captcha 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 Smart captcha

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 Smart captcha. Different versions of WordPress could implement the features of this plugin in slightly different ways as well.