I’ve been researching this for two days and now I give up, please tell me how to achieve the following:
I have custom user fields added to wp-signup.php through signup_extra_fields. Among those is a file field for user photo upload but I’ve fixed the multipart/data problem via JS.
The user fills out all the fields and hits “Register!”, after this I want to do the following:
1) Extract my custom fields data from the $_POST and store in database
2) Link the new user’s id to the new post in my database table
I know how to write the code to do 1) and 2) but I don’t know what WP action to use to be able to access the custom data before that stuff magically disappears from the $_POST (by the time I reach signup stage 2 it has disappeared).
Which add_action(‘hook_name’,’my_intercepting_function’) should I use?
Or do I need to use a filter and if so, does that need to be installed with the plugin or can I add it in the plugin PHP-file later?
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