wpsnoop: fix Deliverability Email Validation plugin conflicts, errors & issues

When the plugin Deliverability Email Validation 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 Deliverability Email Validation, plus learn which plugins and/or themes could be in conflict with Deliverability Email Validation.

Troubleshooting theme and plugin conflicts is easier when you know what Deliverability Email Validation 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 Deliverability Email Validation

Database Issues

ShortCode Issues

Function Issues

File System Issues

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What does Deliverability Email Validation version 2.2 add to WordPress? Answers Here.

This is an automatically generated report - it is possible for Deliverability Email Validation to perform differently in your installation, previous versions before 2.2 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 2.2 of Deliverability Email Validation 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 Deliverability Email Validation 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.

Summary of WordPress plugin analysis: Deliverability Email Validation

Plugin Slug: email-checker Internal ID: 23963 Addon Type: Plugin Version: 2.2 Price: Free Source: WordPress.org Files: 14 (160.50kB) Short Codes: [ / ] 0 Database Tables: 0 Function Count: 14 Code Review: Search Provit

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Which new files does Deliverability Email Validation add to WordPress?

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

The plugin Deliverability Email Validation added 14 new files when it was installed with WP-CLI in our WordPress test environment.

Type & Path	Size	Conflicts
wp-content/plugins/email-checker/	160.50kB	No known conflicts with other themes or plugins.
wp-content/plugins/email-checker/css/	503.00B	No known conflicts with other themes or plugins.
wp-content/plugins/email-checker/css/email-check_admin.css	503.00B	No known conflicts with other themes or plugins.
wp-content/plugins/email-checker/email-checker.php	1.67kB	No known conflicts with other themes or plugins.
wp-content/plugins/email-checker/emailchecker_config.php	474.00B	No known conflicts with other themes or plugins.
wp-content/plugins/email-checker/includes/	15.88kB	No known conflicts with other themes or plugins.
wp-content/plugins/email-checker/includes/emailchecker_footer.php	4.79kB	No known conflicts with other themes or plugins.
wp-content/plugins/email-checker/includes/emailchecker_functions.php	3.29kB	No known conflicts with other themes or plugins.
wp-content/plugins/email-checker/includes/emailchecker_header.php	2.66kB	No known conflicts with other themes or plugins.
wp-content/plugins/email-checker/includes/emailchecker_settings.php	2.07kB	No known conflicts with other themes or plugins.
wp-content/plugins/email-checker/includes/emailchecker_stat.php	3.06kB	No known conflicts with other themes or plugins.
wp-content/plugins/email-checker/plugin_interface.php	4.65kB	No known conflicts with other themes or plugins.
wp-content/plugins/email-checker/readme.txt	4.05kB	No known conflicts with other themes or plugins.
wp-content/plugins/email-checker/screenshot-1.png	133.29kB	No known conflicts with other themes or plugins.

Which new shortcodes does Deliverability Email Validation add to WordPress?

The plugin Deliverability Email Validation did not add any shortcodes when it was installed with WP-CLI in our WordPress test environment.

Which new database tables are created by the WordPress plugin Deliverability Email Validation?

Deliverability Email Validation did not create any new database tables when it was installed. It is possible that the plugin creates new database tables after an initial setup or configuration or after some period of use.

Which new options are added to the wp-options table by Deliverability Email Validation?

When Deliverability Email Validation was activated and loaded for the first time it created 3 new options in the wp_options table. Any known conflicts will be shown in red.

Option Name		Known Conflicts
emailchecker_allow_catchall_email		The emailchecker_allow_catchall_email option doesn't have any known conflicts with other themes or plugins.
yes
emailchecker_allow_disposable_email		The emailchecker_allow_disposable_email option doesn't have any known conflicts with other themes or plugins.
no
emailchecker_allow_free_email		The emailchecker_allow_free_email option doesn't have any known conflicts with other themes or plugins.
yes

During use Deliverability Email Validation 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.

After disabling and deleting Deliverability Email Validation there were 4 options still present in the wp-options table:

emailchecker_allow_catchall_email
emailchecker_allow_disposable_email
emailchecker_allow_free_email
recently_activated

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What new PHP functions does Deliverability Email Validation declare when it is active?

Installing Deliverability Email Validation added 14 new functions to Wordpress at run-time. These functions are internal and generally aren't meant to be used except by developpers who wish to interface with the plugin to enhance or alter its behavior.

Function	Conflicts	Common Errors
ec_plugin_action_links	1 conflict	Fatal error: Cannot redeclare ec_plugin_action_links()
email_checker_admincsslibs	1 conflict	Fatal error: Cannot redeclare email_checker_admincsslibs()
email_checker_create_menu	1 conflict	Fatal error: Cannot redeclare email_checker_create_menu()
email_checker_gform_field_validation	1 conflict	Fatal error: Cannot redeclare email_checker_gform_field_validation()
email_checker_settings_page	1 conflict	Fatal error: Cannot redeclare email_checker_settings_page()
email_checker_update_stats	1 conflict	Fatal error: Cannot redeclare email_checker_update_stats()
email_checker_validate	1 conflict	Fatal error: Cannot redeclare email_checker_validate()
email_checker_contact_form_7	0 conflicts	Fatal error: Cannot redeclare email_checker_contact_form_7()
email_checker_edd_checkout	0 conflicts	Fatal error: Cannot redeclare email_checker_edd_checkout()
email_checker_ninja_forms	0 conflicts	Fatal error: Cannot redeclare email_checker_ninja_forms()
email_checker_plugin_activation	0 conflicts	Fatal error: Cannot redeclare email_checker_plugin_activation()
emailchecker_key_activate	0 conflicts	Fatal error: Cannot redeclare emailchecker_key_activate()
emailchecker_key_deactivate	0 conflicts	Fatal error: Cannot redeclare emailchecker_key_deactivate()
emailchecker_save_settings	0 conflicts	Fatal error: Cannot redeclare emailchecker_save_settings()

Using Deliverability Email Validation 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 Deliverability Email Validation from the command line with WP-CLI

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

wp plugin install email-checker

How to activate Deliverability Email Validation from the command line with WP-CLI

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

wp plugin install email-checker --activate

How to reinstall Deliverability Email Validation from the command line with WP-CLI

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

wp plugin install email-checker --force

How to update Deliverability Email Validation to the latest version from the command line with WP-CLI

wp plugin update email-checker

How to delete Deliverability Email Validation from the command line with WP-CLI

wp plugin delete email-checker

Where can you download earlier versions of Deliverability Email Validation?

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 Deliverability Email Validation 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 Deliverability Email Validation

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 Deliverability Email Validation. Different versions of WordPress could implement the features of this plugin in slightly different ways as well.