This filter can be used to disable the check for an email being already used by a registered user. Allowing the user to use custom code or third-party plugins to bypass this WordPress core limitation in the registration process.
add_filter( 'gform_user_registration_check_email_pre_signup_activation', '__return_false' );
- $check_email bool
True or false
This code should be placed in the functions.php file of your active theme
$check_email = apply_filters( 'gform_user_registration_check_email_pre_signup_activation', true );
This filter is located in GFUserSignups::activate_signup() in signups.php
This filter was added in Gravity Forms User Registration Add-On 2.4.2