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Plugin Description
Allow multiple user accounts to be created, registered, and updated having the same email address.
By default, WordPress only allows a specific email address to be used for a single user account. This plugin removes that restriction.
The plugin’s settings page (accessed via Users -> Multiple Accounts or via the Settings link next to the plugin on the Manage Plugins page) provides the ability to allow only certain email addresses the ability to have multiple accounts (such as if you only want admins to have that ability; by default all email addresses can be used more than once). You may also specify a limit to the number of accounts an email address can have (by default there is no limit).
The settings page also provides a table listing all user accounts that share email addresses (see screenshot).
Compatible with Multisite and BuddyPress as well.
Links: Plugin Homepage | Plugin Directory Page | Author Homepage
Template Tags
The plugin provides three optional template tags for use in your theme templates.
Functions
<?php c2c_count_multiple_accounts( $email ); ?>
Returns a count of the number of users associated with the given email.
<?php c2c_get_users_by_email( $email ); ?>
Returns the users associated with the given email.
<?php c2c_has_multiple_accounts( $email ); ?>
Returns a boolean indicating if the given email is associated with more than one user account.
Arguments
$email (string)
An email address.
Filters
The plugin exposes three filters for hooking. Typically, customizations utilizing these hooks would be put into your active theme’s functions.php file, or used by another plugin.
c2c_count_multiple_accounts (filter)
The ‘c2c_count_multiple_accounts’ hook allows you to use an alternative approach to safely invoke c2c_count_multiple_accounts() in such a way that if the plugin were deactivated or deleted, then your calls to the function won’t cause errors in your site.
Arguments:
- same as for
c2c_count_multiple_accounts()
Example:
Instead of:
<?php echo c2c_count_multiple_accounts( $email ); ?>
Do:
<?php echo apply_filters( 'c2c_count_multiple_accounts', $email ); ?>
c2c_get_users_by_email (filter)
The ‘c2c_get_users_by_email’ hook allows you to use an alternative approach to safely invoke c2c_get_users_by_email() in such a way that if the plugin were deactivated or deleted, then your calls to the function won’t cause errors in your site.
Arguments:
- same as for
c2c_get_users_by_email()
Example:
Instead of:
<?php echo c2c_get_users_by_email( $email ); ?>
Do:
<?php echo apply_filters( 'c2c_get_users_by_email', $email ); ?>
c2c_has_multiple_accounts (filter)
The ‘c2c_has_multiple_accounts’ hook allows you to use an alternative approach to safely invoke c2c_has_multiple_accounts() in such a way that if the plugin were deactivated or deleted, then your calls to the function won’t cause errors in your site.
Arguments:
- same as for
c2c_has_multiple_accounts()
Example:
Instead of:
<?php echo c2c_has_multiple_accounts( $email ); ?>
Do:
<?php echo apply_filters( 'c2c_has_multiple_accounts', $email ); ?>
Screenshots
A screenshot of the plugin’s admin settings page.
A screenshot of a registration attempt failing due to exceeding the limit on the number of allowed multiple accounts.
A screenshot of the error message shown on a user’s profile whose email address change failed due to exceeding the limit on the number of allowed multiple accounts.
