User Registration Add on multisite


we are using the User Registration Add-on on multisite.
We also use the hook gform_user_registration_validation to allow the same user to register accounts on multiple subsites.

The problem with the above is, this allows the same user using the same email address to register multiple accounts on the same subsite. Is there a hook we can use with gform_user_registration_validation so that it validates if that email address is already used on the subsite and if yes, show an error message saying the email address is already used but still allow the user to register and use the email on another subsite?


Using the gform_user_registration_validation filter you’re already overriding the default WordPress validation that prevents the same email address being used for new users. So if doing that doesn’t fit you needs, you would need to create your custom validation code using the same filter.

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